*/ childToIdMap = new HashMap();
SWTAccessibleDelegate delegate;
int index = -1;
TableAccessibleDelegate tableDelegate;
/**
* Constructs a new instance of this class given its parent.
*
* @param parent the Accessible parent, which must not be null
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the parent is null
*
*
* @see #dispose
* @see Control#getAccessible
*
* @since 3.6
*/
public Accessible(Accessible parent) {
if (parent == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
this.parent = parent;
this.control = parent.control;
delegate = new SWTAccessibleDelegate(this, ACC.CHILDID_SELF);
}
/**
* @since 3.5
* @deprecated
*/
protected Accessible() {
}
Accessible(Control control) {
this.control = control;
}
/**
* Invokes platform specific functionality to allocate a new accessible object.
*
* IMPORTANT: This method is not part of the public
* API for Accessible. It is marked public only so that it
* can be shared within the packages provided by SWT. It is not
* available on all platforms, and should never be called from
* application code.
*
*
* @param control the control to get the accessible object for
* @return the platform specific accessible object
*
* @noreference This method is not intended to be referenced by clients.
*/
public static Accessible internal_new_Accessible(Control control) {
return new Accessible(control);
}
id accessibleHandle(Accessible accessible) {
if (accessible.delegate != null) return accessible.delegate;
if (accessible.control != null) {
NSView view = accessible.control.view;
int /*long*/ handle = OS.objc_msgSend(view.id, OS.sel_accessibleHandle);
return new id(handle);
}
return null;
}
/**
* Adds the listener to the collection of listeners who will
* be notified when an accessible client asks for certain strings,
* such as name, description, help, or keyboard shortcut. The
* listener is notified by sending it one of the messages defined
* in the AccessibleListener interface.
*
* @param listener the listener that should be notified when the receiver
* is asked for a name, description, help, or keyboard shortcut string
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleListener
* @see #removeAccessibleListener
*/
public void addAccessibleListener(AccessibleListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleListeners.addElement(listener);
}
/**
* Adds the listener to the collection of listeners who will
* be notified when an accessible client asks for custom control
* specific information. The listener is notified by sending it
* one of the messages defined in the AccessibleControlListener
* interface.
*
* @param listener the listener that should be notified when the receiver
* is asked for custom control specific information
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleControlListener
* @see #removeAccessibleControlListener
*/
public void addAccessibleControlListener(AccessibleControlListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleControlListeners.addElement(listener);
}
/**
* Adds the listener to the collection of listeners who will
* be notified when an accessible client asks for custom text control
* specific information. The listener is notified by sending it
* one of the messages defined in the AccessibleTextListener
* and AccessibleTextExtendedListener interfaces.
*
* @param listener the listener that should be notified when the receiver
* is asked for custom text control specific information
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleTextListener
* @see AccessibleTextExtendedListener
* @see #removeAccessibleTextListener
*
* @since 3.0
*/
public void addAccessibleTextListener (AccessibleTextListener listener) {
checkWidget ();
if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
if (listener instanceof AccessibleTextExtendedListener) {
accessibleTextExtendedListeners.addElement (listener);
} else {
accessibleTextListeners.addElement (listener);
}
}
/**
* Adds the listener to the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleActionListener interface.
*
* @param listener the listener that should be notified when the receiver
* is asked for AccessibleActionListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleActionListener
* @see #removeAccessibleActionListener
*
* @since 3.6
*/
public void addAccessibleActionListener(AccessibleActionListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleActionListeners.addElement(listener);
}
/**
* Adds the listener to the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleEditableTextListener interface.
*
* @param listener the listener that should be notified when the receiver
* is asked for AccessibleEditableTextListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleEditableTextListener
* @see #removeAccessibleEditableTextListener
*
* @since 3.7
*/
public void addAccessibleEditableTextListener(AccessibleEditableTextListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleEditableTextListeners.addElement(listener);
}
/**
* Adds the listener to the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleHyperlinkListener interface.
*
* @param listener the listener that should be notified when the receiver
* is asked for AccessibleHyperlinkListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleHyperlinkListener
* @see #removeAccessibleHyperlinkListener
*
* @since 3.6
*/
public void addAccessibleHyperlinkListener(AccessibleHyperlinkListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleHyperlinkListeners.addElement(listener);
}
/**
* Adds the listener to the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleTableListener interface.
*
* @param listener the listener that should be notified when the receiver
* is asked for AccessibleTableListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleTableListener
* @see #removeAccessibleTableListener
*
* @since 3.6
*/
public void addAccessibleTableListener(AccessibleTableListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleTableListeners.addElement(listener);
}
/**
* Adds the listener to the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleTableCellListener interface.
*
* @param listener the listener that should be notified when the receiver
* is asked for AccessibleTableCellListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleTableCellListener
* @see #removeAccessibleTableCellListener
*
* @since 3.6
*/
public void addAccessibleTableCellListener(AccessibleTableCellListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleTableCellListeners.addElement(listener);
}
/**
* Adds the listener to the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleValueListener interface.
*
* @param listener the listener that should be notified when the receiver
* is asked for AccessibleValueListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleValueListener
* @see #removeAccessibleValueListener
*
* @since 3.6
*/
public void addAccessibleValueListener(AccessibleValueListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleValueListeners.addElement(listener);
}
/**
* Adds the listener to the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleAttributeListener interface.
*
* @param listener the listener that should be notified when the receiver
* is asked for AccessibleAttributeListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleAttributeListener
* @see #removeAccessibleAttributeListener
*
* @since 3.6
*/
public void addAccessibleAttributeListener(AccessibleAttributeListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleAttributeListeners.addElement(listener);
}
void addCGColor(float /*double*/ [] comps, NSMutableAttributedString inAttribString, NSString inAttribute, NSRange inRange) {
int /*long*/ cgColorSpace = OS.CGColorSpaceCreateDeviceRGB();
int /*long*/ cgColor = OS.CGColorCreate(cgColorSpace, comps);
OS.CGColorSpaceRelease(cgColorSpace);
inAttribString.addAttribute(inAttribute, new id(cgColor), inRange);
OS.CGColorRelease(cgColor);
}
/**
* Adds a relation with the specified type and target
* to the receiver's set of relations.
*
* @param type an ACC constant beginning with RELATION_* indicating the type of relation
* @param target the accessible that is the target for this relation
*
* @since 3.6
*/
public void addRelation(int type, Accessible target) {
checkWidget();
if (relations[type] == null) {
relations[type] = new Relation(this, type);
}
relations[type].addTarget(target);
}
void checkRole(int role) {
// A lightweight control can change its role at any time, so track
// the current role for the control. If it changes, reset the attribute list.
if (role != currentRole) {
currentRole = role;
if (attributeNames != null) {
attributeNames.release();
attributeNames = null;
}
if (parameterizedAttributeNames != null) {
parameterizedAttributeNames.release();
parameterizedAttributeNames = null;
}
if (actionNames != null) {
actionNames.release();
actionNames = null;
}
}
}
void createTableDelegate() {
if (tableDelegate == null) {
tableDelegate = new TableAccessibleDelegate(this);
}
}
id getColumnIndexRangeAttribute(int childID) {
AccessibleTableCellEvent event = new AccessibleTableCellEvent(this);
for (int i = 0; i < accessibleTableCellListeners.size(); i++) {
AccessibleTableCellListener listener = (AccessibleTableCellListener) accessibleTableCellListeners.elementAt(i);
listener.getColumnIndex(event);
listener.getColumnSpan(event);
}
NSRange range = new NSRange();
range.location = event.index;
range.length = event.count;
return NSValue.valueWithRange(range);
}
id getRowIndexRangeAttribute(int childID) {
AccessibleTableCellEvent event = new AccessibleTableCellEvent(this);
for (int i = 0; i < accessibleTableCellListeners.size(); i++) {
AccessibleTableCellListener listener = (AccessibleTableCellListener) accessibleTableCellListeners.elementAt(i);
listener.getRowIndex(event);
listener.getRowSpan(event);
}
NSRange range = new NSRange();
range.location = event.index;
range.length = event.count;
return NSValue.valueWithRange(range);
}
id getSelectedAttribute(int childID) {
if (accessibleTableListeners.size() > 0) {
AccessibleTableEvent event = new AccessibleTableEvent(this);
event.row = index;
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
if (currentRole == ACC.ROLE_ROW)
listener.isRowSelected(event);
else
listener.isColumnSelected(event);
}
return NSNumber.numberWithBool(event.isSelected);
}
return NSNumber.numberWithBool(false);
}
id getIndexAttribute(int childID) {
return NSNumber.numberWithInt(index);
}
id getHeaderAttribute(int childID) {
id returnValue = null;
AccessibleTableEvent tableEvent = new AccessibleTableEvent(this);
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
listener.getColumnHeader(tableEvent);
}
if (tableEvent.accessible != null) returnValue = tableEvent.accessible.delegate;
return returnValue;
}
id getVisibleColumnsAttribute(int childID) {
if (accessibleTableListeners.size() == 0) return null;
id returnValue = null;
AccessibleTableEvent event = new AccessibleTableEvent(this);
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
listener.getVisibleColumns(event);
}
if (event.accessibles != null) {
NSMutableArray array = NSMutableArray.arrayWithCapacity(event.accessibles.length);
Accessible[] accessibles = event.accessibles;
for (int i = 0; i < accessibles.length; i++) {
Accessible acc = accessibles[i];
array.addObject(acc.delegate);
}
returnValue = array;
}
return returnValue == null ? NSArray.array() : returnValue;
}
id getVisibleRowsAttribute(int childID) {
if (accessibleTableListeners.size() == 0) return null;
id returnValue = null;
AccessibleTableEvent event = new AccessibleTableEvent(this);
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
listener.getVisibleRows(event);
}
if (event.accessibles != null) {
NSMutableArray array = NSMutableArray.arrayWithCapacity(event.accessibles.length);
Accessible[] accessibles = event.accessibles;
for (int i = 0; i < accessibles.length; i++) {
Accessible acc = accessibles[i];
array.addObject(acc.delegate);
}
returnValue = array;
}
return returnValue == null ? NSArray.array() : returnValue;
}
id getSelectedRowsAttribute(int childID) {
if (accessibleTableListeners.size() == 0) return null;
id returnValue = null;
AccessibleTableEvent event = new AccessibleTableEvent(this);
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
listener.getSelectedRows(event);
}
if (event.selected != null) {
int[] selected = (int[])event.selected;
NSMutableArray array = NSMutableArray.arrayWithCapacity(selected.length);
for (int i = 0; i < selected.length; i++) {
event.row = selected[i];
for (int j = 0; j < accessibleTableListeners.size(); j++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(j);
listener.getRow(event);
}
if (event.accessible != null) array.addObject(event.accessible.delegate);
}
returnValue = array;
}
return returnValue == null ? NSArray.array() : returnValue;
}
int getRowCount() {
AccessibleTableEvent event = new AccessibleTableEvent(this);
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
listener.getRowCount(event);
}
return event.count;
}
id getRowsAttribute(int childID) {
if (accessibleTableListeners.size() == 0) return null;
AccessibleTableEvent event = new AccessibleTableEvent(this);
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
listener.getRowCount(event);
listener.getRows(event);
}
if (event.accessibles == null) event.accessibles = new Accessible[0];
if (event.count != event.accessibles.length) {
createTableDelegate();
// Rerun the row query now that our accessible is in place.
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
listener.getRowCount(event);
listener.getRows(event);
}
}
NSMutableArray array = NSMutableArray.arrayWithCapacity(event.accessibles.length);
Object[] rows = event.accessibles;
for (int i = 0; i < rows.length; i++) {
Accessible acc = (Accessible) rows[i];
acc.index = i;
array.addObject(acc.delegate);
}
return array;
}
id getSelectedColumnsAttribute(int childID) {
if (accessibleTableListeners.size() == 0) return null;
id returnValue = null;
AccessibleTableEvent event = new AccessibleTableEvent(this);
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
listener.getSelectedColumns(event);
}
if (event.selected != null) {
int[] selected = (int[])event.selected;
NSMutableArray array = NSMutableArray.arrayWithCapacity(selected.length);
for (int i = 0; i < selected.length; i++) {
event.column = selected[i];
for (int j = 0; j < accessibleTableListeners.size(); j++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(j);
listener.getColumn(event);
}
if (event.accessible != null) array.addObject(event.accessible.delegate);
}
returnValue = array;
}
return returnValue == null ? NSArray.array() : returnValue;
}
int getColumnCount() {
AccessibleTableEvent event = new AccessibleTableEvent(this);
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
listener.getColumnCount(event);
}
return event.count;
}
id getColumnsAttribute(int childID) {
if (accessibleTableListeners.size() == 0) return null;
AccessibleTableEvent event = new AccessibleTableEvent(this);
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
listener.getColumnCount(event);
listener.getColumns(event);
}
if (event.accessibles == null) event.accessibles = new Accessible[0];
if (event.count != event.accessibles.length) {
createTableDelegate();
// Rerun the Column query, now that our adapter is in place.
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
listener.getColumnCount(event);
listener.getColumns(event);
}
}
NSMutableArray array = NSMutableArray.arrayWithCapacity(event.accessibles.length);
Accessible[] accessibles = event.accessibles;
for (int i = 0; i < accessibles.length; i++) {
Accessible acc = accessibles[i];
acc.index = i;
array.addObject(acc.delegate);
}
return array;
}
/**
* Gets the human-readable description of an action.
*
* IMPORTANT: This field is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public id internal_accessibilityActionDescription(NSString action, int childID) {
NSString returnValue = NSString.string();
String actionName = action.getString();
if (accessibleActionListeners.size() > 0) {
AccessibleActionEvent event = new AccessibleActionEvent(this);
for (int i = 0; i < accessibleActionListeners.size(); i++) {
AccessibleActionListener listener = (AccessibleActionListener) accessibleActionListeners.elementAt(i);
listener.getActionCount(event);
}
int index = -1;
for (int i = 0; i < event.count; i++) {
event.index = i;
for (int j = 0; j < accessibleActionListeners.size(); j++) {
AccessibleActionListener listener = (AccessibleActionListener) accessibleActionListeners.elementAt(j);
listener.getName(event);
}
if (actionName.equals(event.result)) {
index = i;
break;
}
}
if (index != -1) {
event.index = index;
event.result = null;
for (int i = 0; i < accessibleActionListeners.size(); i++) {
AccessibleActionListener listener = (AccessibleActionListener) accessibleActionListeners.elementAt(i);
listener.getDescription(event);
}
if (event.result != null) returnValue = NSString.stringWith(event.result);
}
}
return returnValue;
}
/**
* Gets the array of action names that this object can perform.
*
* IMPORTANT: This field is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public NSArray internal_accessibilityActionNames(int childID) {
if (accessibleActionListeners.size() > 0) {
AccessibleActionEvent event = new AccessibleActionEvent(this);
for (int i = 0; i < accessibleActionListeners.size(); i++) {
AccessibleActionListener listener = (AccessibleActionListener) accessibleActionListeners.elementAt(i);
listener.getActionCount(event);
}
NSMutableArray array = NSMutableArray.arrayWithCapacity(event.count);
for (int i = 0; i < event.count; i++) {
event.index = i;
for (int j = 0; j < accessibleActionListeners.size(); j++) {
AccessibleActionListener listener = (AccessibleActionListener) accessibleActionListeners.elementAt(j);
listener.getName(event);
}
array.addObject(NSString.stringWith(event.result));
}
return array;
} else {
// The supported action list depends on the role played by the control.
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.detail = -1;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getRole(event);
}
// No accessible listener is overriding the role of the control, so let Cocoa return the default set for the control.
if (event.detail == -1) {
return null;
}
checkRole(event.detail);
if ((childID == ACC.CHILDID_SELF) && (actionNames != null)) {
return retainedAutoreleased(actionNames);
}
NSMutableArray returnValue = NSMutableArray.arrayWithCapacity(5);
switch (event.detail) {
case ACC.ROLE_PUSHBUTTON:
case ACC.ROLE_RADIOBUTTON:
case ACC.ROLE_CHECKBUTTON:
case ACC.ROLE_TABITEM:
case ACC.ROLE_LINK:
case ACC.ROLE_CHECKMENUITEM:
case ACC.ROLE_RADIOMENUITEM:
case ACC.ROLE_SPLITBUTTON:
returnValue.addObject(OS.NSAccessibilityPressAction);
break;
case ACC.ROLE_COMBOBOX:
returnValue.addObject(OS.NSAccessibilityConfirmAction);
break;
case ACC.ROLE_WINDOW:
case ACC.ROLE_DIALOG:
// TODO
// returnValue.addObject(OS.NSAccessibilityRaiseAction);
break;
}
if (childID == ACC.CHILDID_SELF) {
actionNames = returnValue;
actionNames.retain();
return retainedAutoreleased(actionNames);
} else {
// Caller must retain if they want to hold on to it.
return returnValue;
}
}
}
/**
* Checks to see if the specified attribute can be set by a screen reader or other
* assistive service.
*
* IMPORTANT: This field is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public boolean internal_accessibilityIsAttributeSettable(NSString attribute, int childID) {
if (accessibleTextExtendedListeners.size() > 0) {
if (attribute.isEqualToString(OS.NSAccessibilitySelectedTextRangeAttribute)) return true;
if (attribute.isEqualToString(OS.NSAccessibilityVisibleCharacterRangeAttribute)) return true;
}
if (accessibleEditableTextListeners.size() > 0) {
if (attribute.isEqualToString(OS.NSAccessibilitySelectedTextAttribute)) return true;
}
if (accessibleValueListeners.size() > 0) {
if (attribute.isEqualToString(OS.NSAccessibilityValueAttribute)) return true;
}
return false;
}
/**
* Gets the array of attributes this object supports.
*
* IMPORTANT: This field is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public NSArray internal_accessibilityAttributeNames(int childID) {
// The supported attribute set depends on the role played by the control.
// We may need to add or remove from the base set as needed.
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.detail = -1;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getRole(event);
}
// No accessible listener is overriding the role of the control, so let Cocoa
// return the default set for the control.
if (event.detail == -1)
return null;
checkRole(event.detail);
// If the attributes haven't changed return the cached list.
if (attributeNames != null) return retainedAutoreleased(attributeNames);
// Set up the base set of attributes.
NSMutableArray returnValue = NSMutableArray.arrayWithCapacity(baseAttributes.length);
for (int i = 0; i < baseAttributes.length; i++) {
returnValue.addObject(baseAttributes[i]);
}
switch(event.detail) {
case ACC.ROLE_CLIENT_AREA:
break;
case ACC.ROLE_WINDOW:
returnValue.addObject(OS.NSAccessibilityTitleAttribute);
// TODO
// returnValue.addObject(OS.NSAccessibilityMainAttribute);
// returnValue.addObject(OS.NSAccessibilityMinimizedAttribute);
break;
case ACC.ROLE_MENUBAR:
returnValue.addObject(OS.NSAccessibilitySelectedChildrenAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleChildrenAttribute);
break;
case ACC.ROLE_MENU:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedChildrenAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleChildrenAttribute);
break;
case ACC.ROLE_MENUITEM:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
break;
case ACC.ROLE_SEPARATOR:
returnValue.addObject(OS.NSAccessibilityMaxValueAttribute);
returnValue.addObject(OS.NSAccessibilityMinValueAttribute);
returnValue.addObject(OS.NSAccessibilityValueAttribute);
//TODO
// returnValue.addObject(OS.NSAccessibilityOrientationAttribute);
// returnValue.addObject(OS.NSAccessibilityPreviousContentsAttribute);
// returnValue.addObject(OS.NSAccessibilityNextContentsAttribute);
break;
case ACC.ROLE_TOOLTIP:
returnValue.addObject(OS.NSAccessibilityTitleAttribute);
break;
case ACC.ROLE_SCROLLBAR:
returnValue.addObject(OS.NSAccessibilityValueAttribute);
//TODO
// returnValue.addObject(OS.NSAccessibilityOrientationAttribute);
break;
case ACC.ROLE_DIALOG:
returnValue.addObject(OS.NSAccessibilityTitleAttribute);
// TODO
// returnValue.addObject(OS.NSAccessibilityMainAttribute);
// returnValue.addObject(OS.NSAccessibilityMinimizedAttribute);
break;
case ACC.ROLE_LABEL:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilityValueAttribute);
break;
case ACC.ROLE_PUSHBUTTON:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilityTitleAttribute);
break;
case ACC.ROLE_CHECKBUTTON:
case ACC.ROLE_RADIOBUTTON:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilityValueAttribute);
returnValue.addObject(OS.NSAccessibilityTitleAttribute);
break;
case ACC.ROLE_SPLITBUTTON:
break;
case ACC.ROLE_COMBOBOX:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilityExpandedAttribute);
returnValue.addObject(OS.NSAccessibilityNumberOfCharactersAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedTextAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedTextRangeAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleCharacterRangeAttribute);
returnValue.addObject(OS.NSAccessibilityValueAttribute);
break;
case ACC.ROLE_TEXT:
case ACC.ROLE_PARAGRAPH:
case ACC.ROLE_HEADING:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilityNumberOfCharactersAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedTextAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedTextRangeAttribute);
returnValue.addObject(OS.NSAccessibilityInsertionPointLineNumberAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedTextRangesAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleCharacterRangeAttribute);
returnValue.addObject(OS.NSAccessibilityValueAttribute);
break;
case ACC.ROLE_TOOLBAR:
break;
case ACC.ROLE_LIST:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilityColumnsAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedColumnsAttribute);
returnValue.addObject(OS.NSAccessibilityRowsAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedRowsAttribute);
returnValue.addObject(OS.NSAccessibilityHeaderAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleRowsAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleColumnsAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleChildrenAttribute);
break;
case ACC.ROLE_LISTITEM:
returnValue.addObject(OS.NSAccessibilityValueAttribute);
break;
case ACC.ROLE_TABLE:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilityColumnsAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedColumnsAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleColumnsAttribute);
returnValue.addObject(OS.NSAccessibilityRowsAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedRowsAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleRowsAttribute);
returnValue.addObject(OS.NSAccessibilityHeaderAttribute);
break;
case ACC.ROLE_TABLECELL:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilityValueAttribute);
break;
case ACC.ROLE_TREE:
returnValue.addObject(OS.NSAccessibilityColumnsAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedColumnsAttribute);
returnValue.addObject(OS.NSAccessibilityRowsAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedRowsAttribute);
returnValue.addObject(OS.NSAccessibilityHeaderAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleRowsAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleColumnsAttribute);
break;
case ACC.ROLE_TREEITEM:
returnValue.addObject(OS.NSAccessibilityColumnsAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedColumnsAttribute);
returnValue.addObject(OS.NSAccessibilityRowsAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedRowsAttribute);
returnValue.addObject(OS.NSAccessibilityHeaderAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleRowsAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleColumnsAttribute);
case ACC.ROLE_TABFOLDER:
returnValue.addObject(OS.NSAccessibilityValueAttribute);
returnValue.addObject(OS.NSAccessibilityContentsAttribute);
returnValue.addObject(OS.NSAccessibilityTabsAttribute);
break;
case ACC.ROLE_TABITEM:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilityValueAttribute);
returnValue.addObject(OS.NSAccessibilityTitleAttribute);
break;
case ACC.ROLE_PROGRESSBAR:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilityMaxValueAttribute);
returnValue.addObject(OS.NSAccessibilityMinValueAttribute);
returnValue.addObject(OS.NSAccessibilityValueAttribute);
break;
case ACC.ROLE_SLIDER:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilityMaxValueAttribute);
returnValue.addObject(OS.NSAccessibilityMinValueAttribute);
returnValue.addObject(OS.NSAccessibilityValueAttribute);
//TODO
// returnValue.addObject(OS.NSAccessibilityOrientationAttribute);
// increment
// decrement
break;
case ACC.ROLE_LINK:
//TODO
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
// returnValue.addObject(OS.NSAccessibilityURLAttribute);
// visited
break;
case ACC.ROLE_ALERT:
break;
case ACC.ROLE_ANIMATION:
break;
case ACC.ROLE_CANVAS:
break;
case ACC.ROLE_COLUMN:
returnValue.removeObject(OS.NSAccessibilityChildrenAttribute);
returnValue.removeObject(OS.NSAccessibilityFocusedAttribute);
returnValue.addObject(OS.NSAccessibilityIndexAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedAttribute);
returnValue.addObject(OS.NSAccessibilityRowsAttribute);
returnValue.addObject(OS.NSAccessibilityVisibleRowsAttribute);
returnValue.addObject(OS.NSAccessibilityHeaderAttribute);
break;
case ACC.ROLE_DOCUMENT:
break;
case ACC.ROLE_GRAPHIC:
returnValue.addObject(OS.NSAccessibilityEnabledAttribute);
returnValue.addObject(OS.NSAccessibilityTitleAttribute);
returnValue.addObject(OS.NSAccessibilityDescriptionAttribute);
break;
case ACC.ROLE_GROUP:
break;
case ACC.ROLE_ROW:
returnValue.addObject(OS.NSAccessibilityVisibleChildrenAttribute);
returnValue.addObject(OS.NSAccessibilityIndexAttribute);
returnValue.addObject(OS.NSAccessibilitySelectedAttribute);
break;
case ACC.ROLE_SPINBUTTON:
break;
case ACC.ROLE_STATUSBAR:
break;
case ACC.ROLE_CHECKMENUITEM:
break;
case ACC.ROLE_RADIOMENUITEM:
break;
case ACC.ROLE_CLOCK:
break;
case ACC.ROLE_DATETIME:
break;
case ACC.ROLE_CALENDAR:
break;
case ACC.ROLE_FOOTER:
break;
case ACC.ROLE_HEADER:
break;
case ACC.ROLE_FORM:
break;
case ACC.ROLE_PAGE:
break;
case ACC.ROLE_SECTION:
break;
}
/*
* Only report back sub-roles when the SWT role maps to a sub-role.
*/
if (event.detail != -1) {
String osRole = roleToOs(event.detail);
if (osRole.indexOf(':') == -1)
returnValue.removeObject(OS.NSAccessibilitySubroleAttribute);
}
/*
* Children never return their own children, so remove that attribute.
*/
if (childID != ACC.CHILDID_SELF) {
returnValue.removeObject(OS.NSAccessibilityChildrenAttribute);
}
if (childID == ACC.CHILDID_SELF) {
attributeNames = returnValue;
attributeNames.retain();
return retainedAutoreleased(attributeNames);
} else {
// Caller must retain if necessary.
return returnValue;
}
}
/**
* Returns the value for the specified attribute. Return type depends on the attribute
* being queried; see the implementations of the accessor methods for details.
*
* IMPORTANT: This field is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public id internal_accessibilityAttributeValue(NSString attribute, int childID) {
if (attribute.isEqualToString(OS.NSAccessibilityRoleAttribute)) return getRoleAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilitySubroleAttribute)) return getSubroleAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityRoleDescriptionAttribute)) return getRoleDescriptionAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityExpandedAttribute)) return getExpandedAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityHelpAttribute)) return getHelpAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityTitleAttribute)) return getTitleAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityValueAttribute)) return getValueAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityMaxValueAttribute)) return getMaxValueAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityMinValueAttribute)) return getMinValueAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityEnabledAttribute)) return getEnabledAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityFocusedAttribute)) return getFocusedAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityParentAttribute)) return getParentAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityChildrenAttribute)) return getChildrenAttribute(childID, false);
if (attribute.isEqualToString(OS.NSAccessibilityVisibleChildrenAttribute)) return getChildrenAttribute(childID, true);
if (attribute.isEqualToString(OS.NSAccessibilityContentsAttribute)) return getChildrenAttribute(childID, false);
// FIXME: There's no specific API just for tabs, which won't include the buttons (if any.)
if (attribute.isEqualToString(OS.NSAccessibilityTabsAttribute)) return getTabsAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityWindowAttribute)) return getWindowAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityTopLevelUIElementAttribute)) return getTopLevelUIElementAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityPositionAttribute)) return getPositionAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilitySizeAttribute)) return getSizeAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityDescriptionAttribute)) return getDescriptionAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityNumberOfCharactersAttribute)) return getNumberOfCharactersAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilitySelectedTextAttribute)) return getSelectedTextAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilitySelectedTextRangeAttribute)) return getSelectedTextRangeAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityInsertionPointLineNumberAttribute)) return getInsertionPointLineNumberAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilitySelectedTextRangesAttribute)) return getSelectedTextRangesAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityVisibleCharacterRangeAttribute)) return getVisibleCharacterRangeAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityServesAsTitleForUIElementsAttribute)) return getServesAsTitleForUIElementsAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityTitleUIElementAttribute)) return getTitleUIElementAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityColumnsAttribute)) return getColumnsAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilitySelectedColumnsAttribute)) return getSelectedColumnsAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityRowsAttribute)) return getRowsAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilitySelectedRowsAttribute)) return getSelectedRowsAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityVisibleRowsAttribute)) return getVisibleRowsAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityVisibleColumnsAttribute)) return getVisibleColumnsAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityHeaderAttribute)) return getHeaderAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilityIndexAttribute)) return getIndexAttribute(childID);
if (attribute.isEqualToString(OS.NSAccessibilitySelectedAttribute)) return getSelectedAttribute(childID);
if (OS.VERSION >= 0x1060 && attribute.isEqualToString(OS.NSAccessibilityRowIndexRangeAttribute)) return getRowIndexRangeAttribute(childID);
if (OS.VERSION >= 0x1060 && attribute.isEqualToString(OS.NSAccessibilityColumnIndexRangeAttribute)) return getColumnIndexRangeAttribute(childID);
// If this object don't know how to get the value it's up to the control itself to return an attribute value.
return null;
}
/**
* Returns the value of the specified attribute, using the supplied parameter. Return
* and parameter types vary depending on the attribute being queried.
*
* IMPORTANT: This field is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public id internal_accessibilityAttributeValue_forParameter(NSString attribute, id parameter, int childID) {
if (attribute.isEqualToString(OS.NSAccessibilityStringForRangeParameterizedAttribute)) return getStringForRangeParameterizedAttribute(parameter, childID);
if (attribute.isEqualToString(OS.NSAccessibilityRangeForLineParameterizedAttribute)) return getRangeForLineParameterizedAttribute(parameter, childID);
if (attribute.isEqualToString(OS.NSAccessibilityRangeForIndexParameterizedAttribute)) return getRangeForIndexParameterizedAttribute(parameter, childID);
if (attribute.isEqualToString(OS.NSAccessibilityLineForIndexParameterizedAttribute)) return getLineForIndexParameterizedAttribute(parameter, childID);
if (attribute.isEqualToString(OS.NSAccessibilityBoundsForRangeParameterizedAttribute)) return getBoundsForRangeParameterizedAttribute(parameter, childID);
if (attribute.isEqualToString(OS.NSAccessibilityRangeForPositionParameterizedAttribute)) return getRangeForPositionParameterizedAttribute(parameter, childID);
if (attribute.isEqualToString(OS.NSAccessibilityAttributedStringForRangeParameterizedAttribute)) return getAttributedStringForRangeParameterizedAttribute(parameter, childID);
if (attribute.isEqualToString(OS.NSAccessibilityStyleRangeForIndexParameterizedAttribute)) return getStyleRangeForIndexAttribute(parameter, childID);
if (OS.VERSION >= 0x1060 && attribute.isEqualToString(OS.NSAccessibilityCellForColumnAndRowParameterizedAttribute)) return getCellForColumnAndRowParameter(parameter, childID);
return null;
}
/**
* Returns the UI Element that has the focus. You can assume that the search
* for the focus has already been narrowed down to the receiver.
* Override this method to do a deeper search with a UIElement -
* e.g. a NSMatrix would determine if one of its cells has the focus.
*
* IMPORTANT: This field is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public id internal_accessibilityFocusedUIElement(int childID) {
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = ACC.CHILDID_MULTIPLE; // set to invalid value, to test if the application sets it in getFocus()
event.accessible = null;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getFocus(event);
}
// The listener did not respond, so let Cocoa figure it out.
if (event.childID == ACC.CHILDID_MULTIPLE)
return null;
/* The application can optionally answer an accessible. */
if (event.accessible != null) {
return new id(OS.NSAccessibilityUnignoredAncestor(event.accessible.control.view.id));
}
/* Or the application can answer a valid child ID, including CHILDID_SELF and CHILDID_NONE. */
if (event.childID == ACC.CHILDID_SELF || event.childID == ACC.CHILDID_NONE) {
return new id(OS.NSAccessibilityUnignoredAncestor(control.view.id));
}
return new id(OS.NSAccessibilityUnignoredAncestor(childIDToOs(event.childID).id));
}
/**
* Returns the deepest descendant of the UIElement hierarchy that contains the point.
* You can assume the point has already been determined to lie within the receiver.
* Override this method to do deeper hit testing within a UIElement - e.g. a NSMatrix
* would test its cells. The point is bottom-left relative screen coordinates.
*
* IMPORTANT: This field is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public id internal_accessibilityHitTest(NSPoint point, int childID) {
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.x = (int) point.x;
Monitor primaryMonitor = Display.getCurrent().getPrimaryMonitor();
event.y = (int) (primaryMonitor.getBounds().height - point.y);
// Set an impossible value to determine if anything responded to the event.
event.childID = ACC.CHILDID_MULTIPLE;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getChildAtPoint(event);
}
// The listener did not respond, so let Cocoa figure it out.
if (event.childID == ACC.CHILDID_MULTIPLE && event.accessible == null)
return null;
if (event.accessible != null) {
return new id(OS.NSAccessibilityUnignoredAncestor(event.accessible.delegate.id));
}
if (event.childID == ACC.CHILDID_SELF || event.childID == ACC.CHILDID_NONE) {
return new id(OS.NSAccessibilityUnignoredAncestor(control.view.id));
}
return new id(OS.NSAccessibilityUnignoredAncestor(childIDToOs(event.childID).id));
}
/**
* Return YES if the UIElement doesn't show up to the outside world -
* i.e. its parent should return the UIElement's children as its own -
* cutting the UIElement out. E.g. NSControls are ignored when they are single-celled.
*
* IMPORTANT: This field is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public boolean internal_accessibilityIsIgnored(int childID) {
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.detail = -1;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getRole(event);
}
boolean shouldIgnore = (event.detail == -1);
if (shouldIgnore) {
shouldIgnore = getTitleAttribute(childID) == null && getHelpAttribute(childID) == null && getDescriptionAttribute(childID) == null;
}
return shouldIgnore;
}
/**
* Return the array of supported attributes that take parameters.
*
* IMPORTANT: This field is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public NSArray internal_accessibilityParameterizedAttributeNames(int childID) {
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.detail = -1;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getRole(event);
}
// No accessible listener is overriding the role of the control, so let Cocoa
// return the default set for the control.
if (event.detail == -1)
return null;
checkRole(event.detail);
if ((childID == ACC.CHILDID_SELF) && (parameterizedAttributeNames != null)) {
return retainedAutoreleased(parameterizedAttributeNames);
}
NSMutableArray returnValue = NSMutableArray.arrayWithCapacity(4);
switch(event.detail) {
case ACC.ROLE_TEXT:
case ACC.ROLE_PARAGRAPH:
case ACC.ROLE_HEADING:
returnValue.addObject(OS.NSAccessibilityStringForRangeParameterizedAttribute);
returnValue.addObject(OS.NSAccessibilityRangeForLineParameterizedAttribute);
returnValue.addObject(OS.NSAccessibilityRangeForIndexParameterizedAttribute);
returnValue.addObject(OS.NSAccessibilityLineForIndexParameterizedAttribute);
returnValue.addObject(OS.NSAccessibilityBoundsForRangeParameterizedAttribute);
returnValue.addObject(OS.NSAccessibilityRangeForPositionParameterizedAttribute);
returnValue.addObject(OS.NSAccessibilityAttributedStringForRangeParameterizedAttribute);
returnValue.addObject(OS.NSAccessibilityStyleRangeForIndexParameterizedAttribute);
break;
case ACC.ROLE_TABLE:
if (OS.VERSION >= 0x1060) returnValue.addObject(OS.NSAccessibilityCellForColumnAndRowParameterizedAttribute);
break;
}
if (childID == ACC.CHILDID_SELF) {
parameterizedAttributeNames = returnValue;
parameterizedAttributeNames.retain();
return retainedAutoreleased(parameterizedAttributeNames);
} else {
// Caller must retain if they want to keep it.
return returnValue;
}
}
/**
* Performs the specified action.
*
* IMPORTANT: This field is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public boolean internal_accessibilityPerformAction(NSString action, int childID) {
String actionName = action.getString();
if (accessibleActionListeners.size() > 0) {
AccessibleActionEvent event = new AccessibleActionEvent(this);
for (int i = 0; i < accessibleActionListeners.size(); i++) {
AccessibleActionListener listener = (AccessibleActionListener) accessibleActionListeners.elementAt(i);
listener.getActionCount(event);
}
int index = -1;
for (int i = 0; i < event.count; i++) {
event.index = i;
for (int j = 0; j < accessibleActionListeners.size(); j++) {
AccessibleActionListener listener = (AccessibleActionListener) accessibleActionListeners.elementAt(j);
listener.getName(event);
}
if (actionName.equals(event.result)) {
index = i;
break;
}
}
if (index != -1) {
event.index = index;
event.result = null;
for (int i = 0; i < accessibleActionListeners.size(); i++) {
AccessibleActionListener listener = (AccessibleActionListener) accessibleActionListeners.elementAt(i);
listener.doAction(event);
}
return ACC.OK.equals(event.result);
}
}
return false;
}
/**
* Set the value of the specified attribute to the given value.
* Unsupported attributes are ignored.
*
* IMPORTANT: This field is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public void internal_accessibilitySetValue_forAttribute(id value, NSString attribute, int childId) {
if (attribute.isEqualToString(OS.NSAccessibilitySelectedTextRangeAttribute)) setSelectedTextRangeAttribute(value, childId);
if (attribute.isEqualToString(OS.NSAccessibilitySelectedTextAttribute)) setSelectedTextAttribute(value, childId);
if (attribute.isEqualToString(OS.NSAccessibilityVisibleCharacterRangeAttribute)) setVisibleCharacterRangeAttribute(value, childId);
if (accessibleValueListeners.size() > 0) {
AccessibleValueEvent event = new AccessibleValueEvent(this);
NSNumber number = new NSNumber(value);
event.value = new Double(number.doubleValue());
for (int i = 0; i < accessibleValueListeners.size(); i++) {
AccessibleValueListener listener = (AccessibleValueListener) accessibleValueListeners.elementAt(i);
listener.setCurrentValue(event);
}
}
}
/**
* Disposes of the operating system resources associated with
* the receiver, and removes the receiver from its parent's
* list of children.
*
* This method should be called when an accessible that was created
* with the public constructor Accessible(Accessible parent)
* is no longer needed. You do not need to call this when the receiver's
* control is disposed, because all Accessible instances
* associated with a control are released when the control is disposed.
* It is also not necessary to call this for instances of Accessible
* that were retrieved with Control.getAccessible().
*
*
* @since 3.6
*/
public void dispose () {
if (parent == null) return;
release(true);
parent = null;
}
/**
* Returns the control for this Accessible object.
*
* @return the receiver's control
* @since 3.0
*/
public Control getControl() {
return control;
}
/**
* Invokes platform specific functionality to dispose an accessible object.
*
* IMPORTANT: This method is not part of the public
* API for Accessible. It is marked public only so that it
* can be shared within the packages provided by SWT. It is not
* available on all platforms, and should never be called from
* application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public void internal_dispose_Accessible() {
release(true);
}
id getAttributedStringForRangeParameterizedAttribute(id parameter, int childID) {
if (accessibleAttributeListeners.size() == 0) return null;
id stringFragment = getStringForRangeParameterizedAttribute(parameter, childID);
NSMutableAttributedString attribString = (NSMutableAttributedString)new NSMutableAttributedString().alloc();
attribString.initWithString(new NSString(stringFragment), null);
attribString.autorelease();
// Parameter is an NSRange wrapped in an NSValue.
NSValue parameterObject = new NSValue(parameter.id);
NSRange range = parameterObject.rangeValue();
AccessibleTextAttributeEvent event = new AccessibleTextAttributeEvent(this);
event.offset = (int) /*64*/ range.location;
event.start = event.end = -1;
NSRange attributeRange = new NSRange();
while (event.offset < range.location + range.length) {
if (accessibleAttributeListeners.size() > 0) {
for (int i = 0; i < accessibleAttributeListeners.size(); i++) {
AccessibleAttributeListener listener = (AccessibleAttributeListener) accessibleAttributeListeners.elementAt(i);
listener.getTextAttributes(event);
}
}
if (event.start == -1 && event.end == -1) return stringFragment;
// The returned attributed string must have zero-based attributes.
attributeRange.location = event.start - range.location;
attributeRange.length = event.end - event.start;
// attributeRange.location can be negative if the start of the requested range falls in the middle of a style run.
// If that happens, clamp to zero and adjust the length by the amount of adjustment.
if (attributeRange.location < 0) {
attributeRange.length -= -attributeRange.location;
attributeRange.location = 0;
}
// Likewise, make sure the last attribute set does not run past the end of the requested range.
if (attributeRange.location + attributeRange.length > range.length) {
attributeRange.length = range.length - attributeRange.location;
}
// Reset the offset so we pick up the next set of attributes that change.
event.offset = event.end;
if (event.textStyle != null) {
TextStyle ts = event.textStyle;
if (ts.font != null) {
NSMutableDictionary fontInfoDict = NSMutableDictionary.dictionaryWithCapacity(4);
NSFont fontUsed = ts.font.handle;
// Get font name and size from NSFont
NSString fontName = fontUsed.fontName();
fontInfoDict.setValue(fontName, OS.NSAccessibilityFontNameKey);
NSString familyName = fontUsed.familyName();
fontInfoDict.setValue(familyName, OS.NSAccessibilityFontFamilyKey);
NSString displayName = fontUsed.displayName();
fontInfoDict.setValue(displayName, OS.NSAccessibilityVisibleNameKey);
float /*double*/ fontSize = fontUsed.pointSize();
fontInfoDict.setValue(NSNumber.numberWithDouble(fontSize), OS.NSAccessibilityFontSizeKey);
attribString.addAttribute(OS.NSAccessibilityFontTextAttribute, fontInfoDict, attributeRange);
}
if (ts.foreground != null) {
addCGColor(ts.foreground.handle, attribString, OS.NSAccessibilityForegroundColorTextAttribute, attributeRange);
}
if (ts.background != null) {
addCGColor(ts.background.handle, attribString, OS.NSAccessibilityBackgroundColorTextAttribute, attributeRange);
}
if (ts.underline) {
int style = ts.underlineStyle;
NSString attribute = OS.NSAccessibilityUnderlineTextAttribute;
NSNumber styleObj = null;
switch (style) {
case SWT.UNDERLINE_SINGLE:
styleObj = NSNumber.numberWithInt(OS.kAXUnderlineStyleSingle);
break;
case SWT.UNDERLINE_DOUBLE:
styleObj = NSNumber.numberWithInt(OS.kAXUnderlineStyleDouble);
break;
case SWT.UNDERLINE_SQUIGGLE:
attribute = OS.NSAccessibilityMisspelledTextAttribute;
styleObj = NSNumber.numberWithBool(true);
break;
default:
styleObj = NSNumber.numberWithInt(OS.kAXUnderlineStyleNone);
}
attribString.addAttribute(attribute, styleObj, attributeRange);
}
if (ts.underlineColor != null) {
addCGColor(ts.underlineColor.handle, attribString, OS.NSAccessibilityUnderlineColorTextAttribute, attributeRange);
}
if (ts.strikeout) {
attribString.addAttribute(OS.NSAccessibilityStrikethroughTextAttribute, NSNumber.numberWithBool(true), attributeRange);
if (ts.strikeoutColor != null) {
addCGColor(ts.strikeoutColor.handle, attribString, OS.NSAccessibilityStrikethroughColorTextAttribute, attributeRange);
}
}
if (ts.data != null) {
if (ts.data instanceof URL) {
URL dataAsURL = (URL)ts.data;
NSURL linkURL = NSURL.URLWithString(NSString.stringWith(dataAsURL.toExternalForm()));
attribString.addAttribute(OS.NSAccessibilityLinkTextAttribute, linkURL, attributeRange);
}
}
}
}
// Now add the alignment, justification, and indent, if available.
AccessibleAttributeEvent docAttributes = new AccessibleAttributeEvent(this);
docAttributes.indent = Integer.MAX_VALUE; // if unchanged no listener filled it in.
if (accessibleAttributeListeners.size() > 0) {
for (int i = 0; i < accessibleAttributeListeners.size(); i++) {
AccessibleAttributeListener listener = (AccessibleAttributeListener) accessibleAttributeListeners.elementAt(i);
listener.getAttributes(docAttributes);
}
}
if (docAttributes.indent != Integer.MAX_VALUE) {
NSMutableDictionary paragraphDict = NSMutableDictionary.dictionaryWithCapacity(3);
int osAlignment = 0;
// FIXME: Doesn't account for right-to-left text?
switch (docAttributes.alignment) {
case SWT.CENTER:
osAlignment = OS.NSCenterTextAlignment;
break;
case SWT.RIGHT:
osAlignment = OS.NSRightTextAlignment;
break;
case SWT.LEFT:
default:
osAlignment = OS.NSLeftTextAlignment;
break;
}
paragraphDict.setValue(NSNumber.numberWithInt(osAlignment), NSString.stringWith("AXTextAlignment"));
range.location = 0;
attribString.addAttribute(NSString.stringWith("AXParagraphStyle"), paragraphDict, range);
}
return attribString;
}
id getBoundsForRangeParameterizedAttribute(id parameter, int childID) {
if (accessibleTextExtendedListeners.size() == 0) return null;
id returnValue = null;
NSValue parameterObject = new NSValue(parameter.id);
NSRange range = parameterObject.rangeValue();
NSRect rect = new NSRect();
if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
event.start = (int)/*64*/range.location;
event.end = (int)/*64*/(range.location + range.length);
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getTextBounds(event);
}
rect.x = event.x;
// Flip y coordinate for Cocoa.
NSArray screens = NSScreen.screens();
NSScreen screen = new NSScreen(screens.objectAtIndex(0));
NSRect frame = screen.frame();
rect.y = frame.height - event.y - event.height;
rect.width = event.width;
rect.height = event.height;
returnValue = NSValue.valueWithRect(rect);
} else {
//FIXME???
//how to implement with old listener
}
return returnValue;
}
id getExpandedAttribute(int childID) {
// TODO: May need to expand the API so the combo box state can be reported.
return NSNumber.numberWithBool(false);
}
id getHelpAttribute (int childID) {
id returnValue = null;
AccessibleEvent event = new AccessibleEvent(this);
event.childID = childID;
for (int i = 0; i < accessibleListeners.size(); i++) {
AccessibleListener listener = (AccessibleListener) accessibleListeners.elementAt(i);
listener.getHelp(event);
}
if (event.result != null) {
returnValue = NSString.stringWith(event.result);
}
return returnValue;
}
id getRangeForPositionParameterizedAttribute(id parameter, int childID) {
id returnValue = null;
NSValue parameterObject = new NSValue(parameter.id);
NSPoint point = parameterObject.pointValue();
NSRange range = new NSRange();
if (accessibleTextExtendedListeners.size() > 0) {
NSArray screens = NSScreen.screens();
NSScreen screen = new NSScreen(screens.objectAtIndex(0));
NSRect frame = screen.frame();
point.y = frame.height - point.y;
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
event.x = (int)point.x;
event.y = (int)point.y;
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getOffsetAtPoint(event);
}
range.location = event.offset;
range.length = 1;
} else {
//FIXME???
//how to implement with old listener
}
returnValue = NSValue.valueWithRange(range);
return returnValue;
}
NSString getRoleAttribute(int childID) {
NSString returnValue = null;
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.detail = -1;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getRole(event);
}
if (event.detail != -1) {
String appRole = roleToOs (event.detail);
int index = appRole.indexOf(':');
if (index != -1) appRole = appRole.substring(0, index);
returnValue = NSString.stringWith(appRole);
}
return returnValue;
}
id getSubroleAttribute (int childID) {
id returnValue = null;
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.detail = -1;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getRole(event);
}
if (event.detail != -1) {
String appRole = roleToOs (event.detail);
int index = appRole.indexOf(':');
if (index != -1) {
appRole = appRole.substring(index + 1);
returnValue = NSString.stringWith(appRole);
}
}
return returnValue;
}
id getRoleDescriptionAttribute (int childID) {
id returnValue = null;
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.detail = -1;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getRole(event);
}
if (event.detail != -1) {
if (event.detail == ACC.ROLE_TABITEM) {
returnValue = new NSString(OS.NSAccessibilityRoleDescription (NSString.stringWith("AXTab").id, 0));
} else {
String appRole = roleToOs (event.detail);
String appSubrole = null;
int index = appRole.indexOf(':');
if (index != -1) {
appSubrole = appRole.substring(index + 1);
appRole = appRole.substring(0, index);
}
NSString nsAppRole = NSString.stringWith(appRole);
NSString nsAppSubrole = null;
if (appSubrole != null) nsAppSubrole = NSString.stringWith(appSubrole);
returnValue = new NSString(OS.NSAccessibilityRoleDescription (((nsAppRole != null) ? nsAppRole.id : 0), (nsAppSubrole != null) ? nsAppSubrole.id : 0));
}
}
return returnValue;
}
id getTitleAttribute (int childID) {
id returnValue = null;
/*
* Feature of the Macintosh. The text of a Label is returned in its value,
* not its title, so ensure that the role is not Label before asking for the title.
*/
AccessibleControlEvent roleEvent = new AccessibleControlEvent(this);
roleEvent.childID = childID;
roleEvent.detail = -1;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getRole(roleEvent);
}
if (roleEvent.detail != ACC.ROLE_LABEL) {
AccessibleEvent event = new AccessibleEvent(this);
event.childID = childID;
event.result = null;
for (int i = 0; i < accessibleListeners.size(); i++) {
AccessibleListener listener = (AccessibleListener) accessibleListeners.elementAt(i);
listener.getName(event);
}
if (event.result != null)
returnValue = NSString.stringWith(event.result);
}
return returnValue;
}
id getTitleUIElementAttribute(int childID) {
id returnValue = null;
Relation relation = relations[ACC.RELATION_LABELLED_BY];
if (relation != null) {
returnValue = relation.getTitleUIElement();
}
return returnValue;
}
id getValueAttribute (int childID) {
id returnValue = null;
if (accessibleValueListeners.size() > 0) {
AccessibleValueEvent event = new AccessibleValueEvent(this);
for (int i = 0; i < accessibleValueListeners.size(); i++) {
AccessibleValueListener listener = (AccessibleValueListener) accessibleValueListeners.elementAt(i);
listener.getCurrentValue(event);
}
returnValue = NSNumber.numberWithDouble(event.value.doubleValue());
} else {
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.detail = -1;
event.result = null; //TODO: could pass the OS value to the app
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getRole(event);
listener.getValue(event);
}
int role = event.detail;
String value = event.result;
switch (role) {
case ACC.ROLE_RADIOBUTTON: // 1 = on, 0 = off
case ACC.ROLE_CHECKBUTTON: // 1 = checked, 0 = unchecked, 2 = mixed
case ACC.ROLE_SCROLLBAR: // numeric value representing the position of the scroller
case ACC.ROLE_SLIDER: // the value associated with the position of the slider thumb
case ACC.ROLE_PROGRESSBAR: // the value associated with the fill level of the progress bar
if (value != null) {
try {
int number = Integer.parseInt(value);
returnValue = NSNumber.numberWithBool(number == 0 ? false : true);
} catch (NumberFormatException ex) {
if (value.equalsIgnoreCase("true")) {
returnValue = NSNumber.numberWithBool(true);
} else if (value.equalsIgnoreCase("false")) {
returnValue = NSNumber.numberWithBool(false);
}
}
} else {
returnValue = NSNumber.numberWithBool(false);
}
break;
case ACC.ROLE_TABFOLDER: // the accessibility object representing the currently selected tab item
case ACC.ROLE_TABITEM: // 1 = selected, 0 = not selected
AccessibleControlEvent ace = new AccessibleControlEvent(this);
ace.childID = -4;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getSelection(ace);
}
if (ace.childID >= ACC.CHILDID_SELF) {
if (role == ACC.ROLE_TABITEM) {
returnValue = NSNumber.numberWithBool(ace.childID == childID);
} else {
returnValue = new id(OS.NSAccessibilityUnignoredAncestor(childIDToOs(ace.childID).id));
}
} else {
returnValue = NSNumber.numberWithBool(false);
}
break;
case ACC.ROLE_COMBOBOX: // text of the currently selected item
case ACC.ROLE_TEXT: // text in the text field
case ACC.ROLE_PARAGRAPH: // text in the text field
case ACC.ROLE_HEADING: // text in the text field
if (value != null) returnValue = NSString.stringWith(value);
break;
case ACC.ROLE_TABLECELL: // text in the cell
case ACC.ROLE_LABEL: // text in the label
/* On a Mac, the 'value' of a label is the same as the 'name' of the label. */
AccessibleEvent e = new AccessibleEvent(this);
e.childID = childID;
e.result = null;
for (int i = 0; i < accessibleListeners.size(); i++) {
AccessibleListener listener = (AccessibleListener) accessibleListeners.elementAt(i);
listener.getName(e);
}
if (e.result != null) {
returnValue = NSString.stringWith(e.result);
} else {
if (value != null) returnValue = NSString.stringWith(value);
}
returnValue = returnValue == null ? NSString.string() : returnValue;
break;
}
}
return returnValue;
}
id getEnabledAttribute (int childID) {
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.detail = ACC.STATE_NORMAL;
event.childID = childID;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getState(event);
}
boolean enabled = (event.detail & ACC.STATE_DISABLED) == 0;
if (!enabled && delegate == null) enabled = control.isEnabled();
return NSNumber.numberWithBool(enabled);
}
id getFocusedAttribute (int childID) {
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = ACC.CHILDID_MULTIPLE; // set to invalid value, to test if the application sets it in getFocus()
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getFocus(event);
}
/* The application can optionally answer an accessible. */
if (event.accessible != null) {
boolean hasFocus = (event.accessible.index == childID) && (event.accessible.control == this.control);
return NSNumber.numberWithBool(hasFocus);
}
/* Or the application can answer a valid child ID, including CHILDID_SELF and CHILDID_NONE. */
if (event.childID == ACC.CHILDID_SELF) {
return NSNumber.numberWithBool(true);
}
if (event.childID == ACC.CHILDID_NONE) {
return NSNumber.numberWithBool(false);
}
if (event.childID != ACC.CHILDID_MULTIPLE) {
/* Other valid childID. */
return NSNumber.numberWithBool(event.childID == childID);
}
// Invalid childID at this point means the application did not implement getFocus, so
// let the default handler return the native focus.
return null;
}
id getParentAttribute (int childID) {
id returnValue = null;
if (childID == ACC.CHILDID_SELF) {
if (parent != null) {
if (parent.delegate != null) {
returnValue = parent.delegate;
} else {
returnValue = new id(OS.NSAccessibilityUnignoredAncestor(accessibleHandle(parent).id));
}
} else {
// Returning null here means 'let Cocoa figure it out.'
returnValue = null;
}
} else {
returnValue = new id(OS.NSAccessibilityUnignoredAncestor(accessibleHandle(this).id));
}
return returnValue;
}
id getChildrenAttribute (int childID, boolean visibleOnly) {
id returnValue = null;
if (childID == ACC.CHILDID_SELF) {
// Test for a table first.
if (currentRole == ACC.ROLE_TABLE) {
// If the row count differs from the row elements returned,
// we need to create our own adapter to map the cells onto
// rows and columns. The rows and columns attributes determine that for us.
getRowsAttribute(childID);
getColumnsAttribute(childID);
}
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.detail = -1; // set to impossible value to test if app resets
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getChildCount(event);
}
int childCount = event.detail;
event.detail = (visibleOnly ? ACC.VISIBLE : 0);
if (childCount >= 0) {
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getChildren(event);
}
Object[] children = event.children;
childCount = children != null ? children.length : 0;
NSMutableArray childArray = NSMutableArray.arrayWithCapacity(childCount);
for (int i = 0; i < childCount; i++) {
Object child = children[i];
if (child instanceof Accessible) {
Accessible accessible = (Accessible)child;
if (accessible.delegate != null) {
childArray.addObject(accessible.delegate);
} else {
childArray.addObject(accessibleHandle(accessible));
}
} else {
if (child instanceof Integer) {
id accChild = childIDToOs(((Integer)child).intValue());
childArray.addObject(accChild);
}
}
}
returnValue = new id(OS.NSAccessibilityUnignoredChildren(childArray.id));
}
} else {
// Lightweight children have no children of their own.
// Don't return null if there are no children -- always return an empty array.
returnValue = NSArray.array();
}
// Returning null here means we want the control itself to determine its children. If the accessible listener
// implemented getChildCount/getChildren, references to those objects would have been returned above.
return returnValue;
}
id getTabsAttribute (int childID) {
id returnValue = null;
if (childID == ACC.CHILDID_SELF) {
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.detail = -1; // set to impossible value to test if app resets
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getChildCount(event);
}
if (event.detail > 0) {
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getChildren(event);
}
Object [] appChildren = event.children;
if (appChildren != null && appChildren.length > 0) {
/* return an NSArray of NSAccessible objects. */
NSMutableArray childArray = NSMutableArray.arrayWithCapacity(appChildren.length);
for (int i = 0; i < appChildren.length; i++) {
Object child = appChildren[i];
if (child instanceof Integer) {
int subChildID = ((Integer)child).intValue();
event.childID = subChildID;
event.detail = -1;
for (int j = 0; j < accessibleControlListeners.size(); j++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(j);
listener.getRole(event);
}
if (event.detail == ACC.ROLE_TABITEM) {
id accChild = childIDToOs(((Integer)child).intValue());
childArray.addObject(accChild);
}
} else {
childArray.addObject(((Accessible)child).control.view);
}
}
returnValue = new id(OS.NSAccessibilityUnignoredChildren(childArray.id));
}
}
} else {
// Lightweight children have no children of their own.
// Don't return null if there are no children -- always return an empty array.
returnValue = NSArray.array();
}
// Returning null here means we want the control itself to determine its children. If the accessible listener
// implemented getChildCount/getChildren, references to those objects would have been returned above.
return returnValue;
}
id getWindowAttribute (int childID) {
return control.view.window();
}
id getTopLevelUIElementAttribute (int childID) {
return control.view.window();
}
id getPositionAttribute (int childID) {
id returnValue = null;
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.width = -1;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getLocation(event);
}
Monitor primaryMonitor = Display.getCurrent().getPrimaryMonitor();
NSPoint osPositionAttribute = new NSPoint ();
if (event.width != -1) {
// The point returned is the lower-left coordinate of the widget in lower-left relative screen coordinates.
osPositionAttribute.x = event.x;
osPositionAttribute.y = primaryMonitor.getBounds().height - event.y - event.height;
returnValue = NSValue.valueWithPoint(osPositionAttribute);
} else {
if (childID != ACC.CHILDID_SELF) {
Point pt = null;
Rectangle location = control.getBounds();
if (control.getParent() != null)
pt = control.getParent().toDisplay(location.x, location.y);
else
pt = ((Shell)control).toDisplay(location.x, location.y);
osPositionAttribute.x = pt.x;
osPositionAttribute.y = pt.y;
returnValue = NSValue.valueWithPoint(osPositionAttribute);
}
}
return returnValue;
}
id getSizeAttribute (int childID) {
id returnValue = null;
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.width = -1;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getLocation(event);
}
NSSize controlSize = new NSSize ();
if (event.width != -1) {
controlSize.width = event.width;
controlSize.height = event.height;
returnValue = NSValue.valueWithSize(controlSize);
} else {
if (childID != ACC.CHILDID_SELF) {
controlSize.width = controlSize.height = 0;
returnValue = NSValue.valueWithSize(controlSize);
}
}
return returnValue;
}
id getCellForColumnAndRowParameter(id parameter, int childID) {
id returnValue = null;
NSArray parameterObject = new NSArray(parameter.id);
if (parameterObject.count() == 2) {
AccessibleTableEvent event = new AccessibleTableEvent(this);
event.column = new NSNumber(parameterObject.objectAtIndex(0)).intValue();
event.row = new NSNumber(parameterObject.objectAtIndex(1)).intValue();
for (int i = 0; i < accessibleTableListeners.size(); i++) {
AccessibleTableListener listener = (AccessibleTableListener)accessibleTableListeners.elementAt(i);
listener.getCell(event);
returnValue = event.accessible.delegate;
}
}
return returnValue;
}
id getDescriptionAttribute (int childID) {
AccessibleEvent event = new AccessibleEvent(this);
event.childID = childID;
event.result = null;
id returnValue = null;
for (int i = 0; i < accessibleListeners.size(); i++) {
AccessibleListener listener = (AccessibleListener) accessibleListeners.elementAt(i);
listener.getDescription(event);
}
returnValue = (event.result != null ? NSString.stringWith(event.result) : null);
// If no description was provided, and this is a composite or canvas, return a blank string
// -- otherwise, let the Cocoa control handle it.
if (returnValue == null) {
if (control instanceof Composite) returnValue = NSString.string();
}
return returnValue;
}
id getInsertionPointLineNumberAttribute (int childID) {
id returnValue = null;
if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getCaretOffset(event);
}
int caretOffset = event.offset;
event.start = caretOffset;
event.end = caretOffset;
event.count = Integer.MIN_VALUE;
event.type = ACC.TEXT_BOUNDARY_LINE;
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getText(event);
}
returnValue = NSNumber.numberWithInt(Math.max(0, -event.count));
} else {
AccessibleControlEvent controlEvent = new AccessibleControlEvent(this);
controlEvent.childID = childID;
controlEvent.result = null;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getValue(controlEvent);
}
AccessibleTextEvent textEvent = new AccessibleTextEvent(this);
textEvent.childID = childID;
textEvent.offset = -1;
for (int i = 0; i < accessibleTextListeners.size(); i++) {
AccessibleTextListener listener = (AccessibleTextListener) accessibleTextListeners.elementAt(i);
listener.getCaretOffset(textEvent);
}
if (controlEvent.result != null && textEvent.offset != -1) {
int lineNumber = lineNumberForOffset (controlEvent.result, textEvent.offset);
returnValue = NSNumber.numberWithInt(lineNumber);
}
}
return returnValue;
}
id getLineForIndexParameterizedAttribute (id parameter, int childID) {
id returnValue = null;
NSNumber charNumberObj = new NSNumber(parameter.id);
int charNumber = charNumberObj.intValue();
if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
event.start = charNumber;
event.end = charNumber;
event.count = Integer.MIN_VALUE;
event.type = ACC.TEXT_BOUNDARY_LINE;
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getText(event);
}
returnValue = NSNumber.numberWithInt(Math.max(0, -event.count));
} else {
AccessibleControlEvent controlEvent = new AccessibleControlEvent(this);
controlEvent.childID = childID;
controlEvent.result = null;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getValue(controlEvent);
}
String text = controlEvent.result;
if (text != null) returnValue = NSNumber.numberWithInt(lineNumberForOffset(text, charNumber));
}
return returnValue;
}
id getMaxValueAttribute(int childID) {
id returnValue = null;
if (accessibleValueListeners.size() > 0) {
AccessibleValueEvent event = new AccessibleValueEvent(this);
for (int i = 0; i < accessibleValueListeners.size(); i++) {
AccessibleValueListener listener = (AccessibleValueListener) accessibleValueListeners.elementAt(i);
listener.getMaximumValue(event);
}
returnValue = NSNumber.numberWithDouble(event.value.doubleValue());
}
return returnValue;
}
id getMinValueAttribute(int childID) {
id returnValue = null;
if (accessibleValueListeners.size() > 0) {
AccessibleValueEvent event = new AccessibleValueEvent(this);
for (int i = 0; i < accessibleValueListeners.size(); i++) {
AccessibleValueListener listener = (AccessibleValueListener) accessibleValueListeners.elementAt(i);
listener.getMinimumValue(event);
}
returnValue = NSNumber.numberWithDouble(event.value.doubleValue());
}
return returnValue;
}
id getNumberOfCharactersAttribute (int childID) {
id returnValue = null;
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.count = -1;
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getCharacterCount(event);
}
if (event.count != -1) {
AccessibleControlEvent e = new AccessibleControlEvent(this);
e.childID = ACC.CHILDID_SELF;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getRole(e);
listener.getValue(e);
}
// TODO: Consider passing the value through for other roles as well (i.e. combo, etc). Keep in sync with get_text.
event.count = e.detail == ACC.ROLE_TEXT && e.result != null ? e.result.length() : 0;
returnValue = NSNumber.numberWithInt(event.count);
}
return returnValue;
}
id getRangeForLineParameterizedAttribute (id parameter, int childID) {
id returnValue = null;
// The parameter is an NSNumber with the line number.
NSNumber lineNumberObj = new NSNumber(parameter.id);
int lineNumber = lineNumberObj.intValue();
if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
event.start = event.end = 0;
event.count = lineNumber;
event.type = ACC.TEXT_BOUNDARY_LINE;
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getText(event);
}
NSRange range = new NSRange();
range.location = event.start;
range.length = event.end - event.start;
returnValue = NSValue.valueWithRange(range);
} else if (accessibleControlListeners.size() > 0){
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.result = null;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getValue(event);
}
if (event.result != null) {
NSRange range = rangeForLineNumber (lineNumber, event.result);
if (range.location != -1) {
returnValue = NSValue.valueWithRange(range);
}
}
}
return returnValue;
}
id getRangeForIndexParameterizedAttribute (id parameter, int childID) {
id returnValue = null;
// The parameter is an NSNumber with the character number.
NSNumber charNumberObj = new NSNumber(parameter.id);
int charNumber = charNumberObj.intValue();
if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
event.start = event.end = 0;
event.count = charNumber;
event.type = ACC.TEXT_BOUNDARY_CHAR;
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getText(event);
}
NSRange range = new NSRange();
range.location = event.start;
range.length = event.end - event.start;
returnValue = NSValue.valueWithRange(range);
} else if (accessibleControlListeners.size() > 0) {
// AccessibleControlEvent event = new AccessibleControlEvent(this);
// event.childID = childID;
// event.result = null;
// for (int i = 0; i < accessibleControlListeners.size(); i++) {
// AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
// listener.getValue(event);
// }
// if (event.result != null) {
// NSRange range = rangeForLineNumber (lineNumber, event.result);
// if (range.location != -1) {
// returnValue = NSValue.valueWithRange(range);
// }
// }
}
return returnValue;
}
id getSelectedTextAttribute (int childID) {
id returnValue = NSString.string();
if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
event.index = 0;
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getSelection(event);
}
int start = event.start;
int end = event.end;
if (start != end) {
event.type = ACC.TEXT_BOUNDARY_ALL;
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getText(event);
}
}
String text = event.result;
if (text != null) returnValue = NSString.stringWith(text);
} else if (accessibleTextListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
event.offset = -1;
event.length = -1;
for (int i = 0; i < accessibleTextListeners.size(); i++) {
AccessibleTextListener listener = (AccessibleTextListener) accessibleTextListeners.elementAt(i);
listener.getSelectionRange(event);
}
int offset = event.offset;
int length = event.length;
if (offset != -1 && length != -1 && length != 0) { // TODO: do we need the && length != 0 ?
AccessibleControlEvent event2 = new AccessibleControlEvent(this);
event2.childID = event.childID;
event2.result = null;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getValue(event2);
}
String appValue = event2.result;
if (appValue != null) {
returnValue = NSString.stringWith(appValue.substring(offset, offset + length));
}
}
}
return returnValue;
}
id getSelectedTextRangeAttribute (int childID) {
id returnValue = null;
if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
event.index = 0;
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getSelection(event);
}
NSRange range = new NSRange();
range.location = event.start;
range.length = event.end - event.start;
returnValue = NSValue.valueWithRange(range);
} else if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
event.offset = -1;
event.length = 0;
for (int i = 0; i < accessibleTextListeners.size(); i++) {
AccessibleTextListener listener = (AccessibleTextListener) accessibleTextListeners.elementAt(i);
listener.getSelectionRange(event);
}
if (event.offset != -1) {
NSRange range = new NSRange();
range.location = event.offset;
range.length = event.length;
returnValue = NSValue.valueWithRange(range);
}
}
return returnValue;
}
id getServesAsTitleForUIElementsAttribute(int childID) {
id returnValue = null;
Relation relation = relations[ACC.RELATION_LABEL_FOR];
if (relation != null) returnValue = relation.getServesAsTitleForUIElements();
return returnValue;
}
id getStringForRangeParameterizedAttribute (id parameter, int childID) {
id returnValue = null;
// Parameter is an NSRange wrapped in an NSValue.
NSValue parameterObject = new NSValue(parameter.id);
NSRange range = parameterObject.rangeValue();
if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
event.start = (int) /*64*/ range.location;
event.end = (int) /*64*/ (range.location + range.length);
event.type = ACC.TEXT_BOUNDARY_ALL;
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getText(event);
}
if (event.result != null) returnValue = NSString.stringWith(event.result);
} else if (accessibleControlListeners.size() > 0) {
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.result = null;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getValue(event);
}
String appValue = event.result;
if (appValue != null) {
returnValue = NSString.stringWith(appValue.substring((int)/*64*/range.location, (int)/*64*/(range.location + range.length)));
}
}
return returnValue;
}
id getSelectedTextRangesAttribute (int childID) {
NSMutableArray returnValue = NSMutableArray.arrayWithCapacity(3);
if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.getSelectionCount(event);
}
if (event.count > 0) {
for (int i = 0; i < event.count; i++) {
event.index = i;
for (int j = 0; j < accessibleTextExtendedListeners.size(); j++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(j);
listener.getSelection(event);
}
NSRange range = new NSRange();
range.location = event.start;
range.length = event.end - event.start;
returnValue.addObject(NSValue.valueWithRange(range));
}
}
} else if (accessibleTextListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
event.offset = -1;
event.length = 0;
for (int i = 0; i < accessibleTextListeners.size(); i++) {
AccessibleTextListener listener = (AccessibleTextListener) accessibleTextListeners.elementAt(i);
listener.getSelectionRange(event);
}
if (event.offset != -1) {
NSRange range = new NSRange();
range.location = event.offset;
range.length = event.length;
returnValue.addObject(NSValue.valueWithRange(range));
}
}
if (returnValue.count() == 0) {
returnValue.addObject(NSValue.valueWithRange(new NSRange()));
}
return returnValue;
}
id getStyleRangeForIndexAttribute (id parameter, int childID) {
if (accessibleAttributeListeners.size() == 0) return null;
// Parameter is an NSRange wrapped in an NSValue.
NSNumber parameterObject = new NSNumber(parameter.id);
int index = parameterObject.intValue();
AccessibleTextAttributeEvent event = new AccessibleTextAttributeEvent(this);
event.offset = (int) /*64*/ index;
// Marker values -- if -1 after calling getTextAttributes, no one implemented it.
event.start = event.end = -1;
for (int i = 0; i < accessibleAttributeListeners.size(); i++) {
AccessibleAttributeListener listener = (AccessibleAttributeListener) accessibleAttributeListeners.elementAt(i);
listener.getTextAttributes(event);
}
NSRange range = new NSRange();
if (event.start == -1 && event.end == -1) {
range.location = index;
range.length = 0;
} else {
range.location = event.start;
range.length = event.end - event.start;
}
return NSValue.valueWithRange(range);
}
id getVisibleCharacterRangeAttribute (int childID) {
NSRange range = null;
if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.childID = childID;
for (int i=0; i 0) {
AccessibleControlEvent event = new AccessibleControlEvent(this);
event.childID = childID;
event.result = null;
for (int i = 0; i < accessibleControlListeners.size(); i++) {
AccessibleControlListener listener = (AccessibleControlListener) accessibleControlListeners.elementAt(i);
listener.getValue(event);
}
if (event.result != null) {
range = new NSRange();
range.location = 0;
range.length = event.result.length();
}
}
return (range != null) ? NSValue.valueWithRange(range) : null;
}
int lineNumberForOffset (String text, int offset) {
int lineNumber = 1;
int length = text.length();
for (int i = 0; i < offset; i++) {
switch (text.charAt (i)) {
case '\r':
if (i + 1 < length) {
if (text.charAt (i + 1) == '\n') ++i;
}
// FALL THROUGH
case '\n':
lineNumber++;
}
}
return lineNumber;
}
NSRange rangeForLineNumber (int lineNumber, String text) {
NSRange range = new NSRange();
range.location = -1;
int line = 1;
int count = 0;
int length = text.length ();
for (int i = 0; i < length; i++) {
if (line == lineNumber) {
if (count == 0) {
range.location = i;
}
count++;
}
if (line > lineNumber) break;
switch (text.charAt (i)) {
case '\r':
if (i + 1 < length && text.charAt (i + 1) == '\n') i++;
// FALL THROUGH
case '\n':
line++;
}
}
range.length = count;
return range;
}
/**
* Removes the listener from the collection of listeners who will
* be notified when an accessible client asks for certain strings,
* such as name, description, help, or keyboard shortcut.
*
* @param listener the listener that should no longer be notified when the receiver
* is asked for a name, description, help, or keyboard shortcut string
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleListener
* @see #addAccessibleListener
*/
public void removeAccessibleListener(AccessibleListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleListeners.removeElement(listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when an accessible client asks for custom control
* specific information.
*
* @param listener the listener that should no longer be notified when the receiver
* is asked for custom control specific information
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleControlListener
* @see #addAccessibleControlListener
*/
public void removeAccessibleControlListener(AccessibleControlListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleControlListeners.removeElement(listener);
}
/**
* Removes the listener from the collection of listeners who will
* be notified when an accessible client asks for custom text control
* specific information.
*
* @param listener the listener that should no longer be notified when the receiver
* is asked for custom text control specific information
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleTextListener
* @see AccessibleTextExtendedListener
* @see #addAccessibleTextListener
*
* @since 3.0
*/
public void removeAccessibleTextListener (AccessibleTextListener listener) {
checkWidget ();
if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
if (listener instanceof AccessibleTextExtendedListener) {
accessibleTextExtendedListeners.removeElement (listener);
} else {
accessibleTextListeners.removeElement (listener);
}
}
/**
* Removes the listener from the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleActionListener interface.
*
* @param listener the listener that should no longer be notified when the receiver
* is asked for AccessibleActionListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleActionListener
* @see #addAccessibleActionListener
*
* @since 3.6
*/
public void removeAccessibleActionListener(AccessibleActionListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleActionListeners.removeElement(listener);
}
/**
* Removes the listener from the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleEditableTextListener interface.
*
* @param listener the listener that should no longer be notified when the receiver
* is asked for AccessibleEditableTextListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleEditableTextListener
* @see #addAccessibleEditableTextListener
*
* @since 3.7
*/
public void removeAccessibleEditableTextListener(AccessibleEditableTextListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleEditableTextListeners.removeElement(listener);
}
/**
* Removes the listener from the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleHyperlinkListener interface.
*
* @param listener the listener that should no longer be notified when the receiver
* is asked for AccessibleHyperlinkListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleHyperlinkListener
* @see #addAccessibleHyperlinkListener
*
* @since 3.6
*/
public void removeAccessibleHyperlinkListener(AccessibleHyperlinkListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleHyperlinkListeners.removeElement(listener);
}
/**
* Removes the listener from the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleTableListener interface.
*
* @param listener the listener that should no longer be notified when the receiver
* is asked for AccessibleTableListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleTableListener
* @see #addAccessibleTableListener
*
* @since 3.6
*/
public void removeAccessibleTableListener(AccessibleTableListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleTableListeners.removeElement(listener);
}
/**
* Removes the listener from the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleTableCellListener interface.
*
* @param listener the listener that should no longer be notified when the receiver
* is asked for AccessibleTableCellListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleTableCellListener
* @see #addAccessibleTableCellListener
*
* @since 3.6
*/
public void removeAccessibleTableCellListener(AccessibleTableCellListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleTableCellListeners.removeElement(listener);
}
/**
* Removes the listener from the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleValueListener interface.
*
* @param listener the listener that should no longer be notified when the receiver
* is asked for AccessibleValueListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleValueListener
* @see #addAccessibleValueListener
*
* @since 3.6
*/
public void removeAccessibleValueListener(AccessibleValueListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleValueListeners.removeElement(listener);
}
/**
* Removes the listener from the collection of listeners that will be
* notified when an accessible client asks for any of the properties
* defined in the AccessibleAttributeListener interface.
*
* @param listener the listener that should no longer be notified when the receiver
* is asked for AccessibleAttributeListener interface properties
*
* @exception IllegalArgumentException
* - ERROR_NULL_ARGUMENT - if the listener is null
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see AccessibleAttributeListener
* @see #addAccessibleAttributeListener
*
* @since 3.6
*/
public void removeAccessibleAttributeListener(AccessibleAttributeListener listener) {
checkWidget();
if (listener == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
accessibleAttributeListeners.removeElement(listener);
}
/**
* Removes the relation with the specified type and target
* from the receiver's set of relations.
*
* @param type an ACC constant beginning with RELATION_* indicating the type of relation
* @param target the accessible that is the target for this relation
*
* @since 3.6
*/
public void removeRelation(int type, Accessible target) {
checkWidget();
if (relations[type] != null) {
relations[type].removeTarget(target);
}
}
void release(boolean destroy) {
if (actionNames != null) actionNames.release();
actionNames = null;
if (attributeNames != null) attributeNames.release();
attributeNames = null;
if (parameterizedAttributeNames != null) parameterizedAttributeNames.release();
parameterizedAttributeNames = null;
if (delegate != null) {
delegate.internal_dispose_SWTAccessibleDelegate();
delegate.release();
}
delegate = null;
relations = null;
if (childToIdMap != null) {
Collection delegates = childToIdMap.values();
Iterator iter = delegates.iterator();
while (iter.hasNext()) {
SWTAccessibleDelegate childDelegate = (SWTAccessibleDelegate)iter.next();
childDelegate.internal_dispose_SWTAccessibleDelegate();
childDelegate.release();
}
childToIdMap.clear();
childToIdMap = null;
}
if (tableDelegate != null) tableDelegate.release();
}
static NSArray retainedAutoreleased(NSArray inObject) {
id temp = inObject.retain();
id temp2 = new NSObject(temp.id).autorelease();
return new NSArray(temp2.id);
}
/**
* Sends a message with event-specific data to accessible clients
* indicating that something has changed within a custom control.
*
* @param event an ACC constant beginning with EVENT_* indicating the message to send
* @param eventData an object containing event-specific data, or null if there is no event-specific data
* (eventData is specified in the documentation for individual ACC.EVENT_* constants)
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see ACC#EVENT_ACTION_CHANGED
* @see ACC#EVENT_ATTRIBUTE_CHANGED
* @see ACC#EVENT_DESCRIPTION_CHANGED
* @see ACC#EVENT_DOCUMENT_LOAD_COMPLETE
* @see ACC#EVENT_DOCUMENT_LOAD_STOPPED
* @see ACC#EVENT_DOCUMENT_RELOAD
* @see ACC#EVENT_HYPERLINK_ACTIVATED
* @see ACC#EVENT_HYPERLINK_ANCHOR_COUNT_CHANGED
* @see ACC#EVENT_HYPERLINK_END_INDEX_CHANGED
* @see ACC#EVENT_HYPERLINK_SELECTED_LINK_CHANGED
* @see ACC#EVENT_HYPERLINK_START_INDEX_CHANGED
* @see ACC#EVENT_HYPERTEXT_LINK_COUNT_CHANGED
* @see ACC#EVENT_HYPERTEXT_LINK_SELECTED
* @see ACC#EVENT_LOCATION_CHANGED
* @see ACC#EVENT_NAME_CHANGED
* @see ACC#EVENT_PAGE_CHANGED
* @see ACC#EVENT_SECTION_CHANGED
* @see ACC#EVENT_SELECTION_CHANGED
* @see ACC#EVENT_STATE_CHANGED
* @see ACC#EVENT_TABLE_CAPTION_CHANGED
* @see ACC#EVENT_TABLE_CHANGED
* @see ACC#EVENT_TABLE_COLUMN_DESCRIPTION_CHANGED
* @see ACC#EVENT_TABLE_COLUMN_HEADER_CHANGED
* @see ACC#EVENT_TABLE_ROW_DESCRIPTION_CHANGED
* @see ACC#EVENT_TABLE_ROW_HEADER_CHANGED
* @see ACC#EVENT_TABLE_SUMMARY_CHANGED
* @see ACC#EVENT_TEXT_ATTRIBUTE_CHANGED
* @see ACC#EVENT_TEXT_CARET_MOVED
* @see ACC#EVENT_TEXT_CHANGED
* @see ACC#EVENT_TEXT_COLUMN_CHANGED
* @see ACC#EVENT_TEXT_SELECTION_CHANGED
* @see ACC#EVENT_VALUE_CHANGED
*
* @since 3.6
*/
public void sendEvent(int event, Object eventData) {
checkWidget();
id eventSource = accessibleHandle(this);
if (DEBUG) System.out.println("sendEvent: 0x" + Integer.toHexString(event) + ", data = " + eventData + ", source = " + eventSource);
switch (event) {
case ACC.EVENT_TEXT_CHANGED:
case ACC.EVENT_VALUE_CHANGED:
case ACC.EVENT_STATE_CHANGED:
case ACC.EVENT_PAGE_CHANGED:
case ACC.EVENT_SECTION_CHANGED:
case ACC.EVENT_ACTION_CHANGED:
case ACC.EVENT_HYPERLINK_START_INDEX_CHANGED:
case ACC.EVENT_HYPERLINK_END_INDEX_CHANGED:
case ACC.EVENT_HYPERLINK_ANCHOR_COUNT_CHANGED:
case ACC.EVENT_HYPERLINK_SELECTED_LINK_CHANGED:
case ACC.EVENT_HYPERLINK_ACTIVATED:
case ACC.EVENT_HYPERTEXT_LINK_COUNT_CHANGED:
case ACC.EVENT_ATTRIBUTE_CHANGED:
case ACC.EVENT_TABLE_CAPTION_CHANGED:
case ACC.EVENT_TABLE_COLUMN_DESCRIPTION_CHANGED:
case ACC.EVENT_TABLE_COLUMN_HEADER_CHANGED:
case ACC.EVENT_TABLE_ROW_DESCRIPTION_CHANGED:
case ACC.EVENT_TABLE_ROW_HEADER_CHANGED:
case ACC.EVENT_TABLE_SUMMARY_CHANGED:
case ACC.EVENT_TEXT_ATTRIBUTE_CHANGED:
case ACC.EVENT_TEXT_COLUMN_CHANGED:
OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilityValueChangedNotification.id); break;
case ACC.EVENT_SELECTION_CHANGED:
OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilitySelectedChildrenChangedNotification.id); break;
case ACC.EVENT_TEXT_SELECTION_CHANGED:
OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilitySelectedTextChangedNotification.id); break;
case ACC.EVENT_LOCATION_CHANGED:
OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilityMovedNotification.id); break;
case ACC.EVENT_NAME_CHANGED:
case ACC.EVENT_DESCRIPTION_CHANGED:
OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilityTitleChangedNotification.id); break;
case ACC.EVENT_TEXT_CARET_MOVED:
OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilitySelectedTextChangedNotification.id); break;
case ACC.EVENT_TABLE_CHANGED:
if (tableDelegate != null) {
tableDelegate.reset();
getRowsAttribute(ACC.CHILDID_SELF);
getColumnsAttribute(ACC.CHILDID_SELF);
}
if (eventData != null) {
int[] eventParams = (int[])eventData;
// Slot 2 of the array is the number of rows that were either added or deleted. If non-zero, fire a notification.
// Cocoa doesn't have a notification for a change in the number of columns.
if (eventParams[2] != 0) OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilityRowCountChangedNotification.id);
}
break;
// None of these correspond to anything in Cocoa.
case ACC.EVENT_HYPERTEXT_LINK_SELECTED:
case ACC.EVENT_DOCUMENT_LOAD_COMPLETE:
case ACC.EVENT_DOCUMENT_LOAD_STOPPED:
case ACC.EVENT_DOCUMENT_RELOAD:
break;
}
}
/**
* Sends a message with event-specific data and a childID
* to accessible clients, indicating that something has changed
* within a custom control.
*
* NOTE: This API is intended for applications that are still using childIDs.
* Moving forward, applications should use accessible objects instead of childIDs.
*
* @param event an ACC constant beginning with EVENT_* indicating the message to send
* @param eventData an object containing event-specific data, or null if there is no event-specific data
* (eventData is specified in the documentation for individual ACC.EVENT_* constants)
* @param childID an identifier specifying a child of the control
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see ACC#EVENT_DESCRIPTION_CHANGED
* @see ACC#EVENT_LOCATION_CHANGED
* @see ACC#EVENT_NAME_CHANGED
* @see ACC#EVENT_SELECTION_CHANGED
* @see ACC#EVENT_STATE_CHANGED
* @see ACC#EVENT_TEXT_SELECTION_CHANGED
* @see ACC#EVENT_VALUE_CHANGED
*
* @since 3.8
*/
public void sendEvent(int event, Object eventData, int childID) {
checkWidget();
id eventSource = childIDToOs(childID);
if (DEBUG) System.out.println("sendEvent: 0x" + Integer.toHexString(event) + ", data = " + eventData + ", source = " + eventSource);
switch (event) {
case ACC.EVENT_VALUE_CHANGED:
case ACC.EVENT_STATE_CHANGED:
case ACC.EVENT_SELECTION_CHANGED:
OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilitySelectedChildrenChangedNotification.id); break;
case ACC.EVENT_TEXT_SELECTION_CHANGED:
OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilitySelectedTextChangedNotification.id); break;
case ACC.EVENT_LOCATION_CHANGED:
OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilityMovedNotification.id); break;
case ACC.EVENT_NAME_CHANGED:
case ACC.EVENT_DESCRIPTION_CHANGED:
OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilityTitleChangedNotification.id); break;
}
}
/**
* Sends a message to accessible clients that the child selection
* within a custom container control has changed.
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @since 3.0
*/
public void selectionChanged () {
checkWidget();
id eventSource = accessibleHandle(this);
if (DEBUG) System.out.println("selectionChanged on " + eventSource);
if (currentRole == ACC.ROLE_TABLE) {
OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilitySelectedRowsChangedNotification.id);
} else {
OS.NSAccessibilityPostNotification(eventSource.id, OS.NSAccessibilitySelectedChildrenChangedNotification.id);
}
}
/**
* Sends a message to accessible clients indicating that the focus
* has changed within a custom control.
*
* @param childID an identifier specifying a child of the control
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*/
public void setFocus(int childID) {
checkWidget();
id accessible = childIDToOs(childID);
if (DEBUG) System.out.println("setFocus on " + accessible);
OS.NSAccessibilityPostNotification(accessible.id, OS.NSAccessibilityFocusedUIElementChangedNotification.id);
}
void setSelectedTextAttribute(id value, int childId) {
NSString newText = new NSString(value.id);
int rangeStart = 0;
id charsValue = getNumberOfCharactersAttribute(childId);
int rangeEnd = new NSNumber(charsValue).intValue();
id rangeObj = getSelectedTextRangeAttribute(childId);
if (rangeObj != null) {
NSRange range = new NSValue(rangeObj).rangeValue();
rangeStart = (int)/*64*/range.location;
rangeEnd = (int)/*64*/(range.location + range.length);
}
if (accessibleEditableTextListeners.size() > 0) {
AccessibleEditableTextEvent event = new AccessibleEditableTextEvent(this);
event.start = rangeStart;
event.end = rangeEnd;
event.string = newText.getString();
for (int i = 0; i < accessibleEditableTextListeners.size(); i++) {
AccessibleEditableTextListener listener = (AccessibleEditableTextListener) accessibleEditableTextListeners.elementAt(i);
listener.replaceText(event);
}
}
}
void setSelectedTextRangeAttribute(id value, int childId) {
NSRange newRange = new NSValue(value.id).rangeValue();
if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.index = 0;
event.start = (int)newRange.location;
event.end = (int)(newRange.location + newRange.length);
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.removeSelection(event);
listener.addSelection(event);
}
}
}
void setVisibleCharacterRangeAttribute(id value, int childId) {
NSRange newRange = new NSValue(value.id).rangeValue();
if (accessibleTextExtendedListeners.size() > 0) {
AccessibleTextEvent event = new AccessibleTextEvent(this);
event.type = ACC.SCROLL_TYPE_TOP_LEFT;
event.start = (int)newRange.location;
event.end = (int)(newRange.location + newRange.length);
for (int i = 0; i < accessibleTextExtendedListeners.size(); i++) {
AccessibleTextExtendedListener listener = (AccessibleTextExtendedListener) accessibleTextExtendedListeners.elementAt(i);
listener.scrollText(event);
}
}
}
/**
* Sends a message to accessible clients that the text
* caret has moved within a custom control.
*
* @param index the new caret index within the control
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @since 3.0
*/
public void textCaretMoved (int index) {
checkWidget();
OS.NSAccessibilityPostNotification(control.view.id, OS.NSAccessibilitySelectedTextChangedNotification.id);
}
/**
* Sends a message to accessible clients that the text
* within a custom control has changed.
*
* @param type the type of change, one of ACC.TEXT_INSERT
* or ACC.TEXT_DELETE
* @param startIndex the text index within the control where the insertion or deletion begins
* @param length the non-negative length in characters of the insertion or deletion
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @see ACC#TEXT_INSERT
* @see ACC#TEXT_DELETE
*
* @since 3.0
*/
public void textChanged (int type, int startIndex, int length) {
checkWidget();
OS.NSAccessibilityPostNotification(control.view.id, OS.NSAccessibilityValueChangedNotification.id);
}
/**
* Sends a message to accessible clients that the text
* selection has changed within a custom control.
*
* @exception SWTException
* - ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed
* - ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control
*
*
* @since 3.0
*/
public void textSelectionChanged () {
checkWidget();
OS.NSAccessibilityPostNotification(control.view.id, OS.NSAccessibilitySelectedTextChangedNotification.id);
}
id childIDToOs(int childID) {
if (childID == ACC.CHILDID_SELF) {
return control.view;
}
/* Check cache for childID, if found, return corresponding osChildID. */
SWTAccessibleDelegate childRef = (SWTAccessibleDelegate) childToIdMap.get(new Integer(childID));
if (childRef == null) {
childRef = new SWTAccessibleDelegate(this, childID);
childToIdMap.put(new Integer(childID), childRef);
}
return childRef;
}
NSString concatStringsAsRole(NSString str1, NSString str2) {
NSString returnValue = str1;
returnValue = returnValue.stringByAppendingString(NSString.stringWith(":"));
returnValue = returnValue.stringByAppendingString(str2);
return returnValue;
}
String roleToOs(int role) {
NSString nsReturnValue = null; //OS.NSAccessibilityUnknownRole;
switch (role) {
case ACC.ROLE_CLIENT_AREA: nsReturnValue = OS.NSAccessibilityGroupRole; break;
case ACC.ROLE_WINDOW: nsReturnValue = OS.NSAccessibilityWindowRole; break;
case ACC.ROLE_MENUBAR: nsReturnValue = OS.NSAccessibilityMenuBarRole; break;
case ACC.ROLE_MENU: nsReturnValue = OS.NSAccessibilityMenuRole; break;
case ACC.ROLE_MENUITEM: nsReturnValue = OS.NSAccessibilityMenuItemRole; break;
case ACC.ROLE_SEPARATOR: nsReturnValue = OS.NSAccessibilitySplitterRole; break;
case ACC.ROLE_TOOLTIP: nsReturnValue = OS.NSAccessibilityHelpTagRole; break;
case ACC.ROLE_SCROLLBAR: nsReturnValue = OS.NSAccessibilityScrollBarRole; break;
case ACC.ROLE_DIALOG: nsReturnValue = concatStringsAsRole(OS.NSAccessibilityWindowRole, OS.NSAccessibilityDialogSubrole); break;
case ACC.ROLE_LABEL: nsReturnValue = OS.NSAccessibilityStaticTextRole; break;
case ACC.ROLE_PUSHBUTTON: nsReturnValue = OS.NSAccessibilityButtonRole; break;
case ACC.ROLE_CHECKBUTTON: nsReturnValue = OS.NSAccessibilityCheckBoxRole; break;
case ACC.ROLE_RADIOBUTTON: nsReturnValue = OS.NSAccessibilityRadioButtonRole; break;
case ACC.ROLE_SPLITBUTTON: nsReturnValue = OS.NSAccessibilityMenuButtonRole; break;
case ACC.ROLE_COMBOBOX: nsReturnValue = OS.NSAccessibilityComboBoxRole; break;
case ACC.ROLE_TEXT: {
int style = control.getStyle();
if ((style & SWT.MULTI) != 0) {
nsReturnValue = OS.NSAccessibilityTextAreaRole;
} else {
nsReturnValue = OS.NSAccessibilityTextFieldRole;
}
break;
}
case ACC.ROLE_TOOLBAR: nsReturnValue = OS.NSAccessibilityToolbarRole; break;
case ACC.ROLE_LIST: nsReturnValue = OS.NSAccessibilityOutlineRole; break;
case ACC.ROLE_LISTITEM: nsReturnValue = OS.NSAccessibilityStaticTextRole; break;
case ACC.ROLE_COLUMN: nsReturnValue = OS.NSAccessibilityColumnRole; break;
case ACC.ROLE_ROW: nsReturnValue = concatStringsAsRole(OS.NSAccessibilityRowRole, OS.NSAccessibilityTableRowSubrole); break;
case ACC.ROLE_TABLE: nsReturnValue = OS.NSAccessibilityTableRole; break;
case ACC.ROLE_TABLECELL: nsReturnValue = OS.NSAccessibilityStaticTextRole; break;
case ACC.ROLE_TABLECOLUMNHEADER: nsReturnValue = OS.NSAccessibilityGroupRole; break;
case ACC.ROLE_TABLEROWHEADER: nsReturnValue = OS.NSAccessibilityGroupRole; break;
case ACC.ROLE_TREE: nsReturnValue = OS.NSAccessibilityOutlineRole; break;
case ACC.ROLE_TREEITEM: nsReturnValue = concatStringsAsRole(OS.NSAccessibilityOutlineRole, OS.NSAccessibilityOutlineRowSubrole); break;
case ACC.ROLE_TABFOLDER: nsReturnValue = OS.NSAccessibilityTabGroupRole; break;
case ACC.ROLE_TABITEM: nsReturnValue = OS.NSAccessibilityRadioButtonRole; break;
case ACC.ROLE_PROGRESSBAR: nsReturnValue = OS.NSAccessibilityProgressIndicatorRole; break;
case ACC.ROLE_SLIDER: nsReturnValue = OS.NSAccessibilitySliderRole; break;
case ACC.ROLE_LINK: nsReturnValue = OS.NSAccessibilityLinkRole; break;
//10.6 only -> case ACC.ROLE_CANVAS: nsReturnValue = OS.NSAccessibilityLayoutAreaRole; break;
case ACC.ROLE_CANVAS: nsReturnValue = OS.NSAccessibilityGroupRole; break;
case ACC.ROLE_GRAPHIC: nsReturnValue = OS.NSAccessibilityImageRole; break;
//CLIENT_AREA uses NSAccessibilityGroupRole already
case ACC.ROLE_GROUP: nsReturnValue = OS.NSAccessibilityGroupRole; break;
//SPLIT_BUTTON uses NSAccessibilityMenuButtonRole already
case ACC.ROLE_CHECKMENUITEM: nsReturnValue = OS.NSAccessibilityMenuButtonRole; break;
case ACC.ROLE_RADIOMENUITEM: nsReturnValue = OS.NSAccessibilityMenuButtonRole; break;
//don't know the right answer for these:
case ACC.ROLE_FOOTER:
case ACC.ROLE_HEADER:
case ACC.ROLE_FORM:
case ACC.ROLE_PAGE:
case ACC.ROLE_SECTION:
nsReturnValue = OS.NSAccessibilityGroupRole;
break;
case ACC.ROLE_HEADING:
case ACC.ROLE_PARAGRAPH:
nsReturnValue = OS.NSAccessibilityTextAreaRole;
break;
case ACC.ROLE_CLOCK:
case ACC.ROLE_DATETIME:
case ACC.ROLE_CALENDAR:
case ACC.ROLE_ALERT:
case ACC.ROLE_ANIMATION:
case ACC.ROLE_DOCUMENT:
case ACC.ROLE_SPINBUTTON:
case ACC.ROLE_STATUSBAR:
nsReturnValue = OS.NSAccessibilityUnknownRole;
}
return nsReturnValue.getString();
}
/* checkWidget was copied from Widget, and rewritten to work in this package */
void checkWidget () {
if (!isValidThread ()) SWT.error (SWT.ERROR_THREAD_INVALID_ACCESS);
if (control.isDisposed ()) SWT.error (SWT.ERROR_WIDGET_DISPOSED);
}
/* isValidThread was copied from Widget, and rewritten to work in this package */
boolean isValidThread () {
return control.getDisplay ().getThread () == Thread.currentThread ();
}
/**
* Adds relationship attributes if needed to the property list.
*
* IMPORTANT: This method is not part of the SWT
* public API. It is marked public only so that it can be shared
* within the packages provided by SWT. It is not available on all
* platforms and should never be accessed from application code.
*
*
* @noreference This method is not intended to be referenced by clients.
*/
public int /*long*/ internal_addRelationAttributes(int /*long*/ defaultAttributes) {
NSArray attributes = new NSArray(defaultAttributes);
NSMutableArray returnArray = NSMutableArray.arrayWithCapacity(attributes.count());
returnArray.addObjectsFromArray(attributes);
if (getTitleAttribute(ACC.CHILDID_SELF) != null) {
if (!returnArray.containsObject(OS.NSAccessibilityTitleAttribute)) returnArray.addObject(OS.NSAccessibilityTitleAttribute);
}
if (getDescriptionAttribute(ACC.CHILDID_SELF) != null) {
if (!returnArray.containsObject(OS.NSAccessibilityDescriptionAttribute)) returnArray.addObject(OS.NSAccessibilityDescriptionAttribute);
}
// See if this object has a label or is a label for something else. If so, add that to the list.
if (relations[ACC.RELATION_LABEL_FOR] != null) {
if (!returnArray.containsObject(OS.NSAccessibilityServesAsTitleForUIElementsAttribute)) returnArray.addObject(OS.NSAccessibilityServesAsTitleForUIElementsAttribute);
if (!returnArray.containsObject(OS.NSAccessibilityTitleAttribute)) returnArray.addObject(OS.NSAccessibilityTitleAttribute);
} else {
returnArray.removeObject(OS.NSAccessibilityServesAsTitleForUIElementsAttribute);
}
if (relations[ACC.RELATION_LABELLED_BY] != null) {
if (!returnArray.containsObject(OS.NSAccessibilityTitleUIElementAttribute)) returnArray.addObject(OS.NSAccessibilityTitleUIElementAttribute);
} else {
returnArray.removeObject(OS.NSAccessibilityTitleUIElementAttribute);
}
return returnArray.id;
}
}