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/*******************************************************************************
* Copyright (c) 2003, 2007 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.browser;
import org.eclipse.swt.*;
import org.eclipse.swt.internal.wpf.*;
import org.eclipse.swt.widgets.*;
class IE extends WebBrowser {
int frame;
boolean ignoreDispose;
static {
NativeClearSessions = new Runnable() {
public void run() {
// OS.InternetSetOption (0, OS.INTERNET_OPTION_END_BROWSER_SESSION, 0, 0);
}
};
}
public void create(Composite parent, int style) {
frame = OS.gcnew_Frame();
if (frame == 0) SWT.error(SWT.ERROR_NO_HANDLES);
OS.Frame_NavigationUIVisibility(frame, OS.NavigationUIVisibility_Hidden);
int parentHandle = browser.handle;
int children = OS.Panel_Children(parentHandle);
OS.UIElementCollection_Insert(children, 0, frame);
OS.GCHandle_Free(children);
OS.FrameworkElement_Width(frame, OS.FrameworkElement_Width(parentHandle));
OS.FrameworkElement_Height(frame, OS.FrameworkElement_Height(parentHandle));
Listener listener = new Listener() {
public void handleEvent(Event event) {
switch (event.type) {
case SWT.Dispose: {
if (ignoreDispose) {
ignoreDispose = false;
break;
}
ignoreDispose = true;
browser.notifyListeners (event.type, event);
event.type = SWT.NONE;
OS.GCHandle_Free(frame);
frame = 0;
break;
}
case SWT.Resize: {
OS.FrameworkElement_Width(frame, OS.FrameworkElement_Width(browser.handle));
OS.FrameworkElement_Height(frame, OS.FrameworkElement_Height(browser.handle));
break;
}
}
}
};
browser.addListener(SWT.Resize, listener);
browser.addListener(SWT.Dispose, listener);
}
public boolean back() {
if (!OS.Frame_CanGoBack(frame)) return false;
OS.Frame_GoBack(frame);
return true;
}
public boolean execute(String script) {
// /* get IHTMLDocument2 */
// int[] rgdispid = auto.getIDsOfNames(new String[]{"Document"}); //$NON-NLS-1$
// int dispIdMember = rgdispid[0];
// Variant pVarResult = auto.getProperty(dispIdMember);
// if (pVarResult == null || pVarResult.getType() == COM.VT_EMPTY) return false;
// OleAutomation document = pVarResult.getAutomation();
// pVarResult.dispose();
//
// /* get IHTMLWindow2 */
// rgdispid = document.getIDsOfNames(new String[]{"parentWindow"}); //$NON-NLS-1$
// if (rgdispid == null) {
// /* implies that browser's content is not a IHTMLDocument2 (eg.- acrobat reader) */
// document.dispose();
// return false;
// }
// dispIdMember = rgdispid[0];
// pVarResult = document.getProperty(dispIdMember);
// OleAutomation ihtmlWindow2 = pVarResult.getAutomation();
// pVarResult.dispose();
// document.dispose();
//
// rgdispid = ihtmlWindow2.getIDsOfNames(new String[] { "execScript", "code" }); //$NON-NLS-1$ //$NON-NLS-2$
// Variant[] rgvarg = new Variant[1];
// rgvarg[0] = new Variant(script);
// int[] rgdispidNamedArgs = new int[1];
// rgdispidNamedArgs[0] = rgdispid[1];
// pVarResult = ihtmlWindow2.invoke(rgdispid[0], rgvarg, rgdispidNamedArgs);
// rgvarg[0].dispose();
// ihtmlWindow2.dispose();
// if (pVarResult == null) return false;
// pVarResult.dispose();
return true;
}
public boolean forward() {
if (!OS.Frame_CanGoForward(frame)) return false;
OS.Frame_GoForward(frame);
return true;
}
public String getBrowserType () {
return "ie"; //$NON-NLS-1$
}
public String getUrl() {
int uri = OS.Frame_Source(frame);
int str = OS.Object_ToString(uri);
int charArray = OS.String_ToCharArray(str);
char[] chars = new char[OS.String_Length(str)];
OS.memcpy(chars, charArray, chars.length * 2);
OS.GCHandle_Free(charArray);
String url = new String(chars);
OS.GCHandle_Free(str);
OS.GCHandle_Free(uri);
return url;
}
public boolean isBackEnabled() {
return OS.Frame_CanGoBack(frame);
}
public boolean isForwardEnabled() {
return OS.Frame_CanGoForward(frame);
}
public void refresh() {
OS.Frame_Refresh(frame);
}
public boolean setText(String html) {
return true;
// /*
// * If the html field is non-null then the about:blank page is already being
// * loaded, so no Stop or Navigate is required. Just set the html that is to
// * be shown.
// */
// boolean blankLoading = this.html != null;
// this.html = html;
// if (blankLoading) return true;
//
// /*
// * Navigate to the blank page and insert the given html when
// * receiving the next DocumentComplete notification. See the
// * MSDN article "Loading HTML content from a Stream".
// *
// * Note. Stop any pending request. This is required to avoid displaying a
// * blank page as a result of consecutive calls to setUrl and/or setText.
// * The previous request would otherwise render the new html content and
// * reset the html field before the browser actually navigates to the blank
// * page as requested below.
// *
// * Feature in Internet Explorer. Stopping pending requests when no request
// * is pending causes a default page 'Action cancelled' to be displayed. The
// * workaround is to not invoke 'stop' when no request has been set since
// * that instance was created.
// */
// int[] rgdispid;
// if (navigate) {
// /*
// * Stopping the loading of a page causes DocumentComplete events from previous
// * requests to be received before the DocumentComplete for this page. In such
// * cases we must be sure to not set the html into the browser too soon, since
// * doing so could result in its page being cleared out by a subsequent
// * DocumentComplete. The Browser's ReadyState can be used to determine whether
// * these extra events will be received or not.
// */
// rgdispid = auto.getIDsOfNames(new String[] { "ReadyState" }); //$NON-NLS-1$
// Variant pVarResult = auto.getProperty(rgdispid[0]);
// if (pVarResult == null) return false;
// delaySetText = pVarResult.getInt() != READYSTATE_COMPLETE;
// pVarResult.dispose();
// rgdispid = auto.getIDsOfNames(new String[] { "Stop" }); //$NON-NLS-1$
// auto.invoke(rgdispid[0]);
// }
// rgdispid = auto.getIDsOfNames(new String[] { "Navigate", "URL" }); //$NON-NLS-1$ //$NON-NLS-2$
// navigate = true;
// Variant[] rgvarg = new Variant[1];
// rgvarg[0] = new Variant(ABOUT_BLANK);
// int[] rgdispidNamedArgs = new int[1];
// rgdispidNamedArgs[0] = rgdispid[1];
// Variant pVarResult = auto.invoke(rgdispid[0], rgvarg, rgdispidNamedArgs);
// rgvarg[0].dispose();
// if (pVarResult == null) return false;
// boolean result = pVarResult.getType() == OLE.VT_EMPTY;
// pVarResult.dispose();
// return result;
}
public boolean setUrl(String url) {
if (url.indexOf(':') == -1) url = "http://" + url;
int length = url.length ();
char [] buffer = new char [length + 1];
url.getChars (0, length, buffer, 0);
int str = OS.gcnew_String (buffer);
int uri = OS.gcnew_Uri(str, OS.UriKind_RelativeOrAbsolute);
OS.GCHandle_Free(str);
boolean result = OS.Frame_Navigate(frame, uri);
OS.GCHandle_Free(uri);
return result;
}
public void stop() {
OS.Frame_StopLoading (frame);
}
}
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