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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 java.util.Hashtable;
import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.internal.LONG;
import org.eclipse.swt.internal.carbon.*;
import org.eclipse.swt.internal.cocoa.*;
import org.eclipse.swt.widgets.*;
class MozillaDelegate {
Browser browser;
Listener listener;
boolean hasFocus;
static Hashtable handles = new Hashtable ();
MozillaDelegate (Browser browser) {
super ();
this.browser = browser;
}
static Browser findBrowser (int handle) {
LONG value = (LONG)handles.get (new LONG (handle));
if (value != null) {
Display display = Display.getCurrent ();
return (Browser)display.findWidget (value.value);
}
return null;
}
static char[] mbcsToWcs (String codePage, byte [] buffer) {
int encoding = OS.CFStringGetSystemEncoding ();
int cfstring = OS.CFStringCreateWithBytes (OS.kCFAllocatorDefault, buffer, buffer.length, encoding, false);
char[] chars = null;
if (cfstring != 0) {
int length = OS.CFStringGetLength (cfstring);
chars = new char [length];
if (length != 0) {
CFRange range = new CFRange ();
range.length = length;
OS.CFStringGetCharacters (cfstring, range, chars);
}
OS.CFRelease (cfstring);
}
return chars;
}
static byte[] wcsToMbcs (String codePage, String string, boolean terminate) {
char[] chars = new char [string.length()];
string.getChars (0, chars.length, chars, 0);
int cfstring = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, chars, chars.length);
byte[] buffer = null;
if (cfstring != 0) {
CFRange range = new CFRange ();
range.length = chars.length;
int encoding = OS.CFStringGetSystemEncoding ();
int[] size = new int[1];
int numChars = OS.CFStringGetBytes (cfstring, range, encoding, (byte)'?', true, null, 0, size);
buffer = new byte [size[0] + (terminate ? 1 : 0)];
if (numChars != 0) {
numChars = OS.CFStringGetBytes (cfstring, range, encoding, (byte)'?', true, buffer, size[0], size);
}
OS.CFRelease (cfstring);
}
return buffer;
}
int getHandle () {
int embedHandle = Cocoa.objc_msgSend (Cocoa.C_NSImageView, Cocoa.S_alloc);
if (embedHandle == 0) SWT.error(SWT.ERROR_NO_HANDLES);
NSRect r = new NSRect();
embedHandle = Cocoa.objc_msgSend (embedHandle, Cocoa.S_initWithFrame, r);
int rc;
int[] outControl = new int[1];
if (OS.VERSION >= 0x1050) {
rc = Cocoa.HICocoaViewCreate(embedHandle, 0, outControl);
} else {
try {
System.loadLibrary("frameembedding");
} catch (UnsatisfiedLinkError e) {}
rc = Cocoa.HIJavaViewCreateWithCocoaView(outControl, embedHandle);
}
if (rc != OS.noErr || outControl[0] == 0) SWT.error(SWT.ERROR_NO_HANDLES);
int subHIView = outControl[0];
HILayoutInfo newLayoutInfo = new HILayoutInfo();
newLayoutInfo.version = 0;
OS.HIViewGetLayoutInfo(subHIView, newLayoutInfo);
HISideBinding biding = newLayoutInfo.binding.top;
biding.toView = 0;
biding.kind = OS.kHILayoutBindMin;
biding.offset = 0;
biding = newLayoutInfo.binding.left;
biding.toView = 0;
biding.kind = OS.kHILayoutBindMin;
biding.offset = 0;
biding = newLayoutInfo.binding.bottom;
biding.toView = 0;
biding.kind = OS.kHILayoutBindMax;
biding.offset = 0;
biding = newLayoutInfo.binding.right;
biding.toView = 0;
biding.kind = OS.kHILayoutBindMax;
biding.offset = 0;
OS.HIViewSetLayoutInfo(subHIView, newLayoutInfo);
OS.HIViewChangeFeatures(subHIView, OS.kHIViewFeatureIsOpaque, 0);
OS.HIViewSetVisible(subHIView, true);
int parentHandle = browser.handle;
OS.HIViewAddSubview(browser.handle, subHIView);
CGRect rect = new CGRect();
OS.HIViewGetFrame(parentHandle, rect);
rect.x = rect.y = 0;
OS.HIViewSetFrame(subHIView, rect);
handles.put (new LONG (embedHandle), new LONG (browser.handle));
return embedHandle;
}
String getLibraryName () {
return "libxpcom.dylib"; //$NON-NLS-1$
}
void handleFocus () {
if (hasFocus) return;
hasFocus = true;
((Mozilla)browser.webBrowser).Activate ();
browser.setFocus ();
listener = new Listener () {
public void handleEvent (Event event) {
if (event.widget == browser) return;
((Mozilla)browser.webBrowser).Deactivate ();
hasFocus = false;
browser.getDisplay ().removeFilter (SWT.FocusIn, this);
browser.getShell ().removeListener (SWT.Deactivate, this);
listener = null;
}
};
browser.getDisplay ().addFilter (SWT.FocusIn, listener);
browser.getShell ().addListener (SWT.Deactivate, listener);
}
void onDispose (int embedHandle) {
handles.remove (new LONG (embedHandle));
if (listener != null) {
browser.getDisplay ().removeFilter (SWT.FocusIn, listener);
browser.getShell ().removeListener (SWT.Deactivate, listener);
listener = null;
}
browser = null;
}
void setSize (int embedHandle, int width, int height) {
// TODO
}
}
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