bundles/org.eclipse.swt/Eclipse SWT Browser/common/org/eclipse/swt/browser/WebBrowser.java

/*******************************************************************************
 * 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.widgets.*;

abstract class WebBrowser {
	Browser browser;
	CloseWindowListener[] closeWindowListeners = new CloseWindowListener[0];
	LocationListener[] locationListeners = new LocationListener[0];
	OpenWindowListener[] openWindowListeners = new OpenWindowListener[0];
	ProgressListener[] progressListeners = new ProgressListener[0];
	StatusTextListener[] statusTextListeners = new StatusTextListener[0];
	TitleListener[] titleListeners = new TitleListener[0];
	VisibilityWindowListener[] visibilityWindowListeners = new VisibilityWindowListener[0];
	
	static Runnable MozillaClearSessions;
	static Runnable NativeClearSessions;

public void addCloseWindowListener (CloseWindowListener listener) {
	CloseWindowListener[] newCloseWindowListeners = new CloseWindowListener[closeWindowListeners.length + 1];
	System.arraycopy(closeWindowListeners, 0, newCloseWindowListeners, 0, closeWindowListeners.length);
	closeWindowListeners = newCloseWindowListeners;
	closeWindowListeners[closeWindowListeners.length - 1] = listener;
}

public void addLocationListener (LocationListener listener) {
	LocationListener[] newLocationListeners = new LocationListener[locationListeners.length + 1];
	System.arraycopy(locationListeners, 0, newLocationListeners, 0, locationListeners.length);
	locationListeners = newLocationListeners;
	locationListeners[locationListeners.length - 1] = listener;
}

public void addOpenWindowListener (OpenWindowListener listener) {
	OpenWindowListener[] newOpenWindowListeners = new OpenWindowListener[openWindowListeners.length + 1];
	System.arraycopy(openWindowListeners, 0, newOpenWindowListeners, 0, openWindowListeners.length);
	openWindowListeners = newOpenWindowListeners;
	openWindowListeners[openWindowListeners.length - 1] = listener;
}

public void addProgressListener (ProgressListener listener) {
	ProgressListener[] newProgressListeners = new ProgressListener[progressListeners.length + 1];
	System.arraycopy(progressListeners, 0, newProgressListeners, 0, progressListeners.length);
	progressListeners = newProgressListeners;
	progressListeners[progressListeners.length - 1] = listener;
}

public void addStatusTextListener (StatusTextListener listener) {
	StatusTextListener[] newStatusTextListeners = new StatusTextListener[statusTextListeners.length + 1];
	System.arraycopy(statusTextListeners, 0, newStatusTextListeners, 0, statusTextListeners.length);
	statusTextListeners = newStatusTextListeners;
	statusTextListeners[statusTextListeners.length - 1] = listener;
}

public void addTitleListener (TitleListener listener) {
	TitleListener[] newTitleListeners = new TitleListener[titleListeners.length + 1];
	System.arraycopy(titleListeners, 0, newTitleListeners, 0, titleListeners.length);
	titleListeners = newTitleListeners;
	titleListeners[titleListeners.length - 1] = listener;
}

public void addVisibilityWindowListener (VisibilityWindowListener listener) {
	VisibilityWindowListener[] newVisibilityWindowListeners = new VisibilityWindowListener[visibilityWindowListeners.length + 1];
	System.arraycopy(visibilityWindowListeners, 0, newVisibilityWindowListeners, 0, visibilityWindowListeners.length);
	visibilityWindowListeners = newVisibilityWindowListeners;
	visibilityWindowListeners[visibilityWindowListeners.length - 1] = listener;
}

public abstract boolean back ();

public static void clearSessions () {
	if (NativeClearSessions != null) NativeClearSessions.run ();
	if (MozillaClearSessions != null) MozillaClearSessions.run ();
}

public abstract void create (Composite parent, int style);

public abstract boolean execute (String script);

public abstract boolean forward ();

public abstract String getUrl ();

public Object getWebBrowser () {
	return null;
}

public abstract boolean isBackEnabled ();

public boolean isFocusControl () {
	return false;
}

public abstract boolean isForwardEnabled ();

public abstract void refresh ();

public void removeCloseWindowListener (CloseWindowListener listener) {
	if (closeWindowListeners.length == 0) return;
	int index = -1;
	for (int i = 0; i < closeWindowListeners.length; i++) {
		if (listener == closeWindowListeners[i]){
			index = i;
			break;
		}
	}
	if (index == -1) return;
	if (closeWindowListeners.length == 1) {
		closeWindowListeners = new CloseWindowListener[0];
		return;
	}
	CloseWindowListener[] newCloseWindowListeners = new CloseWindowListener[closeWindowListeners.length - 1];
	System.arraycopy (closeWindowListeners, 0, newCloseWindowListeners, 0, index);
	System.arraycopy (closeWindowListeners, index + 1, newCloseWindowListeners, index, closeWindowListeners.length - index - 1);
	closeWindowListeners = newCloseWindowListeners;
}

public void removeLocationListener (LocationListener listener) {
	if (locationListeners.length == 0) return;
	int index = -1;
	for (int i = 0; i < locationListeners.length; i++) {
		if (listener == locationListeners[i]){
			index = i;
			break;
		}
	}
	if (index == -1) return;
	if (locationListeners.length == 1) {
		locationListeners = new LocationListener[0];
		return;
	}
	LocationListener[] newLocationListeners = new LocationListener[locationListeners.length - 1];
	System.arraycopy (locationListeners, 0, newLocationListeners, 0, index);
	System.arraycopy (locationListeners, index + 1, newLocationListeners, index, locationListeners.length - index - 1);
	locationListeners = newLocationListeners;
}

public void removeOpenWindowListener (OpenWindowListener listener) {
	if (openWindowListeners.length == 0) return;
	int index = -1;
	for (int i = 0; i < openWindowListeners.length; i++) {
		if (listener == openWindowListeners[i]){
			index = i;
			break;
		}
	}
	if (index == -1) return;
	if (openWindowListeners.length == 1) {
		openWindowListeners = new OpenWindowListener[0];
		return;
	}
	OpenWindowListener[] newOpenWindowListeners = new OpenWindowListener[openWindowListeners.length - 1];
	System.arraycopy (openWindowListeners, 0, newOpenWindowListeners, 0, index);
	System.arraycopy (openWindowListeners, index + 1, newOpenWindowListeners, index, openWindowListeners.length - index - 1);
	openWindowListeners = newOpenWindowListeners;
}

public void removeProgressListener (ProgressListener listener) {
	if (progressListeners.length == 0) return;
	int index = -1;
	for (int i = 0; i < progressListeners.length; i++) {
		if (listener == progressListeners[i]){
			index = i;
			break;
		}
	}
	if (index == -1) return;
	if (progressListeners.length == 1) {
		progressListeners = new ProgressListener[0];
		return;
	}
	ProgressListener[] newProgressListeners = new ProgressListener[progressListeners.length - 1];
	System.arraycopy (progressListeners, 0, newProgressListeners, 0, index);
	System.arraycopy (progressListeners, index + 1, newProgressListeners, index, progressListeners.length - index - 1);
	progressListeners = newProgressListeners;
}

public void removeStatusTextListener (StatusTextListener listener) {
	if (statusTextListeners.length == 0) return;
	int index = -1;
	for (int i = 0; i < statusTextListeners.length; i++) {
		if (listener == statusTextListeners[i]){
			index = i;
			break;
		}
	}
	if (index == -1) return;
	if (statusTextListeners.length == 1) {
		statusTextListeners = new StatusTextListener[0];
		return;
	}
	StatusTextListener[] newStatusTextListeners = new StatusTextListener[statusTextListeners.length - 1];
	System.arraycopy (statusTextListeners, 0, newStatusTextListeners, 0, index);
	System.arraycopy (statusTextListeners, index + 1, newStatusTextListeners, index, statusTextListeners.length - index - 1);
	statusTextListeners = newStatusTextListeners;
}

public void removeTitleListener (TitleListener listener) {
	if (titleListeners.length == 0) return;
	int index = -1;
	for (int i = 0; i < titleListeners.length; i++) {
		if (listener == titleListeners[i]){
			index = i;
			break;
		}
	}
	if (index == -1) return;
	if (titleListeners.length == 1) {
		titleListeners = new TitleListener[0];
		return;
	}
	TitleListener[] newTitleListeners = new TitleListener[titleListeners.length - 1];
	System.arraycopy (titleListeners, 0, newTitleListeners, 0, index);
	System.arraycopy (titleListeners, index + 1, newTitleListeners, index, titleListeners.length - index - 1);
	titleListeners = newTitleListeners;
}

public void removeVisibilityWindowListener (VisibilityWindowListener listener) {
	if (visibilityWindowListeners.length == 0) return;
	int index = -1;
	for (int i = 0; i < visibilityWindowListeners.length; i++) {
		if (listener == visibilityWindowListeners[i]){
			index = i;
			break;
		}
	}
	if (index == -1) return;
	if (visibilityWindowListeners.length == 1) {
		visibilityWindowListeners = new VisibilityWindowListener[0];
		return;
	}
	VisibilityWindowListener[] newVisibilityWindowListeners = new VisibilityWindowListener[visibilityWindowListeners.length - 1];
	System.arraycopy (visibilityWindowListeners, 0, newVisibilityWindowListeners, 0, index);
	System.arraycopy (visibilityWindowListeners, index + 1, newVisibilityWindowListeners, index, visibilityWindowListeners.length - index - 1);
	visibilityWindowListeners = newVisibilityWindowListeners;
}

public void setBrowser (Browser browser) {
	this.browser = browser;
}

public abstract boolean setText (String html);

public abstract boolean setUrl (String url);

public abstract void stop ();
}