bundles/org.eclipse.swt/Eclipse SWT Browser/photon/org/eclipse/swt/browser/Voyager.java - platform/eclipse.platform.swt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2003, 2008 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:
  *     Chris McKillop (QNX Software Systems) - initial implementation
  *******************************************************************************/
 package org.eclipse.swt.browser;

 import java.io.File;

 import org.eclipse.swt.*;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.internal.*;
 import org.eclipse.swt.internal.photon.*;
 import org.eclipse.swt.widgets.*;

 class Voyager extends WebBrowser {
 	int webHandle;
 	String url = ""; //$NON-NLS-1$
 	String text = ""; //$NON-NLS-1$
 	int textOffset;
 	int currentProgress;
 	int totalProgress = 25;
 	/* browser to redirect content to */
 	Browser redirectBrowser;
 	static int instanceCount = 0;

 	/* Package Name */
 	static Callback callback;

 public void create(Composite parent, int style) {
 	/* use Photon's built-in anchoring for resizing */
 	int[] args = {
 			OS.Pt_ARG_ANCHOR_FLAGS,
 			OS.Pt_TOP_ANCHORED_TOP | OS.Pt_BOTTOM_ANCHORED_BOTTOM | OS.Pt_LEFT_ANCHORED_LEFT | OS.Pt_RIGHT_ANCHORED_RIGHT,
 			OS.Pt_TOP_ANCHORED_TOP | OS.Pt_BOTTOM_ANCHORED_BOTTOM | OS.Pt_LEFT_ANCHORED_LEFT | OS.Pt_RIGHT_ANCHORED_RIGHT,
 			OS.Pt_ARG_FILL_COLOR,
 			0xFFFFFF,
 			0 };
 	webHandle = OS.PtCreateWidget(OS.PtWebClient(), browser.handle, args.length / 3, args);
 	if (webHandle == 0) {
 		browser.dispose();
 		SWT.error (SWT.ERROR_NO_HANDLES);
 	}

 	/* configure the widget with a specific server */
 	File netfront = new File("/usr/photon/bin/netfront"); //$NON-NLS-1$
 	String name, server;
 	if (netfront.exists() || (OS.QNX_MAJOR >= 6 && OS.QNX_MINOR >= 3 && OS.QNX_MICRO >= 0)) {
 		name = "NetfrontServer"; //$NON-NLS-1$
 		server = "netfront"; //$NON-NLS-1$
 	} else {
 		name = "VoyagerServer-2"; //$NON-NLS-1$
 		server = "vserver"; //$NON-NLS-1$
 	}
 	/* set client name */
 	byte[] nameBuffer = Converter.wcsToMbcs(null, name, true);
 	int namePtr = OS.malloc(nameBuffer.length);
 	OS.memmove(namePtr, nameBuffer, nameBuffer.length);
 	OS.PtSetResource(webHandle, OS.Pt_ARG_CLIENT_NAME, namePtr, 0);
 	OS.free(namePtr);

 	/**
 	 * Feature in Photon PtWebClient.  If you give a server name
 	 * when the widget is created it will attempt to start a new server
 	 * rather then attaching a new window context to the existing server.
 	 * If you don't connect to the existing one then javascript window
 	 * creation will fail.
 	 */
 	if (instanceCount == 0) {
 		/* select server */
 		byte[] serverBuffer = Converter.wcsToMbcs(null, server, true);
 		int serverPtr = OS.malloc(serverBuffer.length);
 		OS.memmove(serverPtr, serverBuffer, serverBuffer.length);
 		OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_SERVER, serverPtr, 0);
 		OS.free(serverPtr);
 	}
 	instanceCount++;

 	if (callback == null) callback = new Callback(this.getClass(), "webProc", 3, false); //$NON-NLS-1$
 	int webProc = callback.getAddress();
 	if (webProc == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS);
 	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_CLOSE_WINDOW, webProc, OS.Pt_CB_WEB_CLOSE_WINDOW);
 	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_COMPLETE, webProc, OS.Pt_CB_WEB_COMPLETE);
 	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_DATA_REQ, webProc, OS.Pt_CB_WEB_DATA_REQ);
 	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_METADATA, webProc, OS.Pt_CB_WEB_METADATA);
 	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_NEW_WINDOW, webProc, OS.Pt_CB_WEB_NEW_WINDOW);
 	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_START, webProc, OS.Pt_CB_WEB_START);
 	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_STATUS, webProc, OS.Pt_CB_WEB_STATUS);
 	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_URL, webProc, OS.Pt_CB_WEB_URL);
 	Listener listener = new Listener() {
 		public void handleEvent(Event event) {
 			switch (event.type) {
 				case SWT.Dispose: onDispose(); break;
 				case SWT.FocusIn: onFocusGained(event);	break;
 			}
 		}
 	};
 	int[] folderEvents = new int[]{
 		SWT.Dispose,
 		SWT.FocusIn,
 	};
 	for (int i = 0; i < folderEvents.length; i++) {
 		browser.addListener(folderEvents[i], listener);
 	}
 	OS.PtRealizeWidget(webHandle);
 }

 static int webProc(int handle, int data, int info) {
 	Display display = Display.getCurrent();
 	int parent = OS.PtWidgetParent (handle);
 	Widget widget = display.findWidget(parent);
 	if (widget != null && widget instanceof Browser) {
 		Browser browser = (Browser)widget;
 		return ((Voyager)browser.webBrowser).webProc(data, info);
 	}
 	return OS.Pt_CONTINUE;
 }

 public boolean back() {
 	int ptr = OS.malloc(4);
 	int[] args = new int[]{OS.Pt_ARG_WEB_NAVIGATE_PAGE, ptr, 0};
 	OS.PtGetResources(webHandle, args.length / 3, args);
 	int[] result = new int[1];
 	OS.memmove(result, ptr, 4);
 	OS.memmove(result, result[0], 4);
 	OS.free(ptr);
 	if ((result[0] & (1 << OS.Pt_WEB_DIRECTION_BACK)) == 0) return false;
 	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_NAVIGATE_PAGE, OS.Pt_WEB_DIRECTION_BACK, 0);
 	return true;
 }

 int webProc(int data, int info) {
 	switch (data) {
 		case OS.Pt_CB_WEB_CLOSE_WINDOW: return Pt_CB_WEB_CLOSE_WINDOW(info);
 		case OS.Pt_CB_WEB_COMPLETE:	    return Pt_CB_WEB_COMPLETE(info);
 		case OS.Pt_CB_WEB_DATA_REQ:     return Pt_CB_WEB_DATA_REQ(info);
 		case OS.Pt_CB_WEB_METADATA:		return Pt_CB_WEB_METADATA(info);
 		case OS.Pt_CB_WEB_NEW_WINDOW:   return Pt_CB_WEB_NEW_WINDOW(info);
 		case OS.Pt_CB_WEB_START:	    return Pt_CB_WEB_START(info);
 		case OS.Pt_CB_WEB_STATUS:	    return Pt_CB_WEB_STATUS(info);
 		case OS.Pt_CB_WEB_URL:		    return Pt_CB_WEB_URL(info);
 	}
 	return OS.Pt_CONTINUE;
 }

 public boolean execute(String script) {
 	return false;
 }

 public boolean forward() {
 	int ptr = OS.malloc(4);
 	int[] args = new int[]{OS.Pt_ARG_WEB_NAVIGATE_PAGE, ptr, 0};
 	OS.PtGetResources(webHandle, args.length / 3, args);
 	int[] result = new int[1];
 	OS.memmove(result, ptr, 4);
 	OS.memmove(result, result[0], 4);
 	OS.free(ptr);
 	if ((result[0] & (1 << OS.Pt_WEB_DIRECTION_FWD)) == 0) return false;
 	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_NAVIGATE_PAGE, OS.Pt_WEB_DIRECTION_FWD, 0);
 	return true;
 }

 public String getBrowserType () {
 	return "voyager"; //$NON-NLS-1$
 }

 public String getText () {
 	// TODO
 	return ""; //$NON-NLS-1$
 }

 public String getUrl() {
 	return url;
 }

 public boolean isBackEnabled() {
 	int ptr = OS.malloc(4);
 	int[] args = new int[] {OS.Pt_ARG_WEB_NAVIGATE_PAGE, ptr, 0};
 	OS.PtGetResources(webHandle, args.length / 3, args);
 	int[] result = new int[1];
 	OS.memmove(result, ptr, 4);
 	OS.memmove(result, result[0], 4);
 	OS.free(ptr);
 	return (result[0] & (1 << OS.Pt_WEB_DIRECTION_BACK)) != 0;
 }

 public boolean isForwardEnabled() {
 	int ptr = OS.malloc(4);
 	int[] args = new int[]{OS.Pt_ARG_WEB_NAVIGATE_PAGE, ptr, 0};
 	OS.PtGetResources(webHandle, args.length / 3, args);
 	int[] result = new int[1];
 	OS.memmove(result, ptr, 4);
 	OS.memmove(result, result[0], 4);
 	OS.free(ptr);
 	return (result[0] & (1 << OS.Pt_WEB_DIRECTION_FWD)) != 0;
 }

 void onDispose() {
 	OS.PtDestroyWidget(webHandle);
 	webHandle = 0;
 	instanceCount--;
 }

 void onFocusGained(Event e) {
 	OS.PtContainerGiveFocus(webHandle, null);
 }

 int Pt_CB_WEB_CLOSE_WINDOW(int info) {
 	WindowEvent event = new WindowEvent(browser);
 	event.display = browser.getDisplay();
 	event.widget = browser;
 	for(int i = 0; i < closeWindowListeners.length; i++ )
 		closeWindowListeners[i].close(event);
 	browser.dispose();
 	return OS.Pt_CONTINUE;
 }

 int Pt_CB_WEB_COMPLETE(int info) {
 	Display display = browser.getDisplay();
 	LocationEvent event = new LocationEvent(browser);
 	event.display = display;
 	event.widget = browser;
 	event.location = url;
 	event.top = true;
 	for (int i = 0; i < locationListeners.length; i++)
 		locationListeners[i].changed(event);
 	ProgressEvent progress = new ProgressEvent(browser);
 	progress.display = display;
 	progress.widget = browser;
 	progress.current = totalProgress;
 	progress.total = totalProgress;
 	for (int i = 0; i < progressListeners.length; i++)
 		progressListeners[i].completed(progress);
 	StatusTextEvent statusevent = new StatusTextEvent(browser);
 	statusevent.display = display;
 	statusevent.widget = browser;
 	statusevent.text = ""; //$NON-NLS-1$
 	for (int i = 0; i < statusTextListeners.length; i++)
 		statusTextListeners[i].changed(statusevent);
 	return OS.Pt_CONTINUE;
 }

 int Pt_CB_WEB_DATA_REQ(int info) {
 	PtCallbackInfo_t cbinfo_t = new PtCallbackInfo_t();
 	OS.memmove(cbinfo_t, info, PtCallbackInfo_t.sizeof);
 	PtWebDataReqCallback_t dataReq = new PtWebDataReqCallback_t();
 	OS.memmove(dataReq, cbinfo_t.cbdata, PtWebDataReqCallback_t.sizeof);
 	PtWebClient2Data_t clientData = new PtWebClient2Data_t();
 	clientData.type = dataReq.type;
 	clientData.data = 0;
 	String data = null;
 	switch (clientData.type) {
 		case OS.Pt_WEB_DATA_HEADER:
 			StringBuffer sb = new StringBuffer("Content-Type: text/html\n"); //$NON-NLS-1$
 			sb.append("Content-Length: "); //$NON-NLS-1$
 			sb.append(text.length());
 			sb.append("\n"); //$NON-NLS-1$
 			data = sb.toString();
 			break;
 		case OS.Pt_WEB_DATA_BODY:
 			/*
 			* Feature on Photon. The PtSetResource() call for PtWebClient data imposes
 			* a limit on the size of the text buffer being passed. The workaround is
 			* to break the text into 1KB chunks.
 			*/
 			if (text.length() - textOffset > 1024) {
 				data = text.substring(textOffset, textOffset + 1024);
 				textOffset += 1024;
 			} else {
 				data = text.substring(textOffset);
 			}
 			break;
 		case OS.Pt_WEB_DATA_CLOSE:
 			text = ""; //$NON-NLS-1$
 			break;
 	}
 	if (data != null) {
 		byte[] buffer = Converter.wcsToMbcs(null, data, true);
 		clientData.data = OS.malloc(buffer.length);
 		OS.memmove(clientData.data, buffer, buffer.length);
 		clientData.length = buffer.length - 1;
 	}
 	dataReq.url = clientData.url;
 	int ptr = OS.malloc(PtWebClient2Data_t.sizeof);
 	OS.memmove(ptr, clientData, PtWebClient2Data_t.sizeof);
 	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_DATA, clientData.data, ptr);
 	OS.free(ptr);
 	if (clientData.data != 0) OS.free(clientData.data);
 	return OS.Pt_CONTINUE;
 }

 int Pt_CB_WEB_METADATA(int info) {
 	PtCallbackInfo_t cbinfo_t = new PtCallbackInfo_t();
 	OS.memmove(cbinfo_t, info, PtCallbackInfo_t.sizeof);
 	final PtWebMetaDataCallback_t webmeta_t = new PtWebMetaDataCallback_t();
 	OS.memmove(webmeta_t, cbinfo_t.cbdata, PtWebMetaDataCallback_t.sizeof);
 	String name = new String(webmeta_t.name, 0, OS.strlen(cbinfo_t.cbdata));
 	if (name.equals("title")) { //$NON-NLS-1$
 		String title = new String(webmeta_t.value, 0, OS.strlen(cbinfo_t.cbdata + webmeta_t.name.length));
 		TitleEvent newEvent = new TitleEvent(browser);
 		newEvent.display = browser.getDisplay();
 		newEvent.widget = browser;
 		newEvent.title = title;
 		/*
 		* Feature on Photon.  The Voyager Browser updates the title section
 		* in the window decoration even if the title refers to an inner frame.
 		* Browsers on other platforms only update the title that refers to
 		* the top frame.  As a result, the title event on Photon is sent for
 		* both top and inner frames.
 		*/
 		for (int i = 0; i < titleListeners.length; i++)
 			titleListeners[i].changed(newEvent);
 	}
 	return OS.Pt_CONTINUE;
 }

 int Pt_CB_WEB_NEW_WINDOW(int info) {
 	PtCallbackInfo_t cbinfo_t = new PtCallbackInfo_t();
 	OS.memmove(cbinfo_t, info, PtCallbackInfo_t.sizeof);
 	final PtWebWindowCallback_t webwin_t = new PtWebWindowCallback_t();
 	OS.memmove(webwin_t,cbinfo_t.cbdata,PtWebWindowCallback_t.sizeof);
 	/*
 	* Feature on Photon.  The server will use the first PtWebClient
 	* widget created from within the CB_WEB_NEW_WINDOW callback to
 	* host the new window.  The workaround is to create a temporary
 	* PtWebClient widget everytime the notification is received.
 	* When its location is known, the Browser provided by the
 	* application is then redirected.
 	*/
 	final Browser hidden = new Browser(browser.getParent(), SWT.NONE);
 	hidden.addLocationListener(new LocationListener() {
 		public void changed(org.eclipse.swt.browser.LocationEvent event) {
 			/*
 			* Bug on Voyager.  The first PtWebClient widget created
 			* from within the CB_WEB_NEW_WINDOW callback is the one
 			* hosting the new window.  For some reason, this PtWebClient
 			* widget may or may not receive a Pt_CB_WEB_URL
 			* notification. It receives a Pt_CB_WEB_COMPLETE in all cases.
 			* The workaround is to reload the content when this occurs.
 			* This request causes the Pt_CB_WEB_URL to be correctly sent,
 			* providing the information required to redirect the browser
 			* provided by the application.
 			*/
 			if (event.location.length() == 0) {
 				hidden.refresh();
 				return;
 			}
 			hidden.dispose();
 		}
 		public void changing(final org.eclipse.swt.browser.LocationEvent event) {
 			Browser redirect = ((Voyager)hidden.webBrowser).redirectBrowser;
 			/* Forward the link to the Browser actually provided by the user */
 			if (redirect != null && !redirect.isDisposed()) {
 				WindowEvent newEvent = new WindowEvent(redirect);
 				newEvent.display = browser.getDisplay();
 				newEvent.widget = redirect;
 				newEvent.location = null;
 				/* Photon sets the size to 0,0 when it isn't specified. */
 				newEvent.size = webwin_t.size_w == 0 && webwin_t.size_h == 0 ? null : new Point(webwin_t.size_w, webwin_t.size_h);
 				for (int i = 0; i < redirect.webBrowser.visibilityWindowListeners.length; i++)
 					redirect.webBrowser.visibilityWindowListeners[i].show(newEvent);
 				redirect.setUrl(event.location);
 			}
 		}
 	});
 	WindowEvent event = new WindowEvent(browser);
 	event.display = browser.getDisplay();
 	event.widget = browser;
 	event.required = true;
 	for (int i = 0; i < openWindowListeners.length; i++)
 		openWindowListeners[i].open(event);
 	if (event.browser != null && !event.browser.isDisposed()) ((Voyager)hidden.webBrowser).redirectBrowser = event.browser;
 	return OS.Pt_CONTINUE;
 }

 int Pt_CB_WEB_START(int info) {
 	currentProgress = 1;
 	ProgressEvent progress = new ProgressEvent(browser);
 	progress.display = browser.getDisplay();
 	progress.widget = browser;
 	progress.current = currentProgress;
 	progress.total = totalProgress;
 	for (int i = 0; i < progressListeners.length; i++)
 		progressListeners[i].changed(progress);
 	return OS.Pt_CONTINUE;
 }

 int Pt_CB_WEB_STATUS(int info) {
 	PtCallbackInfo_t cbinfo_t = new PtCallbackInfo_t();
 	PtWebStatusCallback_t webstatus = new PtWebStatusCallback_t();
 	OS.memmove(cbinfo_t, info, PtCallbackInfo_t.sizeof);
 	OS.memmove(webstatus, cbinfo_t.cbdata, PtWebStatusCallback_t.sizeof);
 	switch (webstatus.type) {
 		case OS.Pt_WEB_STATUS_MOUSE :
 		case OS.Pt_WEB_STATUS_PROGRESS :
 			StatusTextEvent statusevent = new StatusTextEvent(browser);
 			statusevent.display = browser.getDisplay();
 			statusevent.widget = browser;
 			statusevent.text = new String(webstatus.desc, 0, OS.strlen(cbinfo_t.cbdata));
 			for (int i = 0; i < statusTextListeners.length; i++)
 				statusTextListeners[i].changed(statusevent);
 			if (webstatus.type == OS.Pt_WEB_STATUS_PROGRESS) {
 				currentProgress++;
 				if (currentProgress >= totalProgress) currentProgress = 1;
 				ProgressEvent progress = new ProgressEvent(browser);
 				progress.display = browser.getDisplay();
 				progress.widget = browser;
 				progress.current = currentProgress;
 				progress.total = totalProgress;
 				for (int i = 0; i < progressListeners.length; i++)
 					progressListeners[i].changed(progress);
 			}
 			break;
 	}
 	return OS.Pt_CONTINUE;
 }

 int Pt_CB_WEB_URL(int info) {
 	PtCallbackInfo_t cbinfo_t = new PtCallbackInfo_t();
 	OS.memmove(cbinfo_t, info, PtCallbackInfo_t.sizeof);
 	byte[] buffer = new byte[OS.strlen(cbinfo_t.cbdata) + 1];
 	OS.memmove(buffer, cbinfo_t.cbdata, buffer.length);
 	url = new String(Converter.mbcsToWcs(null, buffer));
 	LocationEvent event = new LocationEvent(browser);
 	event.display = browser.getDisplay();
 	event.widget = browser;
 	event.location = url;
 	event.doit = true;
 	for (int i = 0; i < locationListeners.length; i++)
 		locationListeners[i].changing(event);
 	/* Widget could have been disposed */
 	if (browser.isDisposed()) return OS.Pt_CONTINUE;
 	if (!event.doit) stop();
 	return OS.Pt_CONTINUE;
 }

 public void refresh() {
 	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_RELOAD, 1, 0);
 }

 public boolean setText(String html) {
 	text = html;
 	textOffset = 0;
 	byte[] buffer = Converter.wcsToMbcs(null, "client:", true); //$NON-NLS-1$
 	int ptr = OS.malloc(buffer.length);
 	OS.memmove(ptr, buffer, buffer.length);
 	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_GET_URL, ptr, OS.Pt_WEB_ACTION_DISPLAY);
 	OS.free(ptr);
 	return true;
 }

 public boolean setUrl(String url) {
 	byte[] buffer = Converter.wcsToMbcs(null, url, true);
 	int ptr = OS.malloc(buffer.length);
 	OS.memmove(ptr, buffer, buffer.length);
 	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_GET_URL, ptr, OS.Pt_WEB_ACTION_DISPLAY);
 	OS.free(ptr);
 	return true;
 }

 public void stop() {
 	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_STOP, 1, 0);
 }
 }
	/*******************************************************************************
	* Copyright (c) 2003, 2008 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:
	* Chris McKillop (QNX Software Systems) - initial implementation
	*******************************************************************************/
	package org.eclipse.swt.browser;

	import java.io.File;

	import org.eclipse.swt.*;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.internal.*;
	import org.eclipse.swt.internal.photon.*;
	import org.eclipse.swt.widgets.*;

	class Voyager extends WebBrowser {
	int webHandle;
	String url = ""; //$NON-NLS-1$
	String text = ""; //$NON-NLS-1$
	int textOffset;
	int currentProgress;
	int totalProgress = 25;
	/* browser to redirect content to */
	Browser redirectBrowser;
	static int instanceCount = 0;

	/* Package Name */
	static Callback callback;

	public void create(Composite parent, int style) {
	/* use Photon's built-in anchoring for resizing */
	int[] args = {
	OS.Pt_ARG_ANCHOR_FLAGS,
	OS.Pt_TOP_ANCHORED_TOP \| OS.Pt_BOTTOM_ANCHORED_BOTTOM \| OS.Pt_LEFT_ANCHORED_LEFT \| OS.Pt_RIGHT_ANCHORED_RIGHT,
	OS.Pt_TOP_ANCHORED_TOP \| OS.Pt_BOTTOM_ANCHORED_BOTTOM \| OS.Pt_LEFT_ANCHORED_LEFT \| OS.Pt_RIGHT_ANCHORED_RIGHT,
	OS.Pt_ARG_FILL_COLOR,
	0xFFFFFF,
	0 };
	webHandle = OS.PtCreateWidget(OS.PtWebClient(), browser.handle, args.length / 3, args);
	if (webHandle == 0) {
	browser.dispose();
	SWT.error (SWT.ERROR_NO_HANDLES);
	}

	/* configure the widget with a specific server */
	File netfront = new File("/usr/photon/bin/netfront"); //$NON-NLS-1$
	String name, server;
	if (netfront.exists() \|\| (OS.QNX_MAJOR >= 6 && OS.QNX_MINOR >= 3 && OS.QNX_MICRO >= 0)) {
	name = "NetfrontServer"; //$NON-NLS-1$
	server = "netfront"; //$NON-NLS-1$
	} else {
	name = "VoyagerServer-2"; //$NON-NLS-1$
	server = "vserver"; //$NON-NLS-1$
	}
	/* set client name */
	byte[] nameBuffer = Converter.wcsToMbcs(null, name, true);
	int namePtr = OS.malloc(nameBuffer.length);
	OS.memmove(namePtr, nameBuffer, nameBuffer.length);
	OS.PtSetResource(webHandle, OS.Pt_ARG_CLIENT_NAME, namePtr, 0);
	OS.free(namePtr);

	/**
	* Feature in Photon PtWebClient. If you give a server name
	* when the widget is created it will attempt to start a new server
	* rather then attaching a new window context to the existing server.
	* If you don't connect to the existing one then javascript window
	* creation will fail.
	*/
	if (instanceCount == 0) {
	/* select server */
	byte[] serverBuffer = Converter.wcsToMbcs(null, server, true);
	int serverPtr = OS.malloc(serverBuffer.length);
	OS.memmove(serverPtr, serverBuffer, serverBuffer.length);
	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_SERVER, serverPtr, 0);
	OS.free(serverPtr);
	}
	instanceCount++;

	if (callback == null) callback = new Callback(this.getClass(), "webProc", 3, false); //$NON-NLS-1$
	int webProc = callback.getAddress();
	if (webProc == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS);
	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_CLOSE_WINDOW, webProc, OS.Pt_CB_WEB_CLOSE_WINDOW);
	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_COMPLETE, webProc, OS.Pt_CB_WEB_COMPLETE);
	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_DATA_REQ, webProc, OS.Pt_CB_WEB_DATA_REQ);
	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_METADATA, webProc, OS.Pt_CB_WEB_METADATA);
	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_NEW_WINDOW, webProc, OS.Pt_CB_WEB_NEW_WINDOW);
	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_START, webProc, OS.Pt_CB_WEB_START);
	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_STATUS, webProc, OS.Pt_CB_WEB_STATUS);
	OS.PtAddCallback(webHandle,OS.Pt_CB_WEB_URL, webProc, OS.Pt_CB_WEB_URL);
	Listener listener = new Listener() {
	public void handleEvent(Event event) {
	switch (event.type) {
	case SWT.Dispose: onDispose(); break;
	case SWT.FocusIn: onFocusGained(event); break;
	}
	}
	};
	int[] folderEvents = new int[]{
	SWT.Dispose,
	SWT.FocusIn,
	};
	for (int i = 0; i < folderEvents.length; i++) {
	browser.addListener(folderEvents[i], listener);
	}
	OS.PtRealizeWidget(webHandle);
	}

	static int webProc(int handle, int data, int info) {
	Display display = Display.getCurrent();
	int parent = OS.PtWidgetParent (handle);
	Widget widget = display.findWidget(parent);
	if (widget != null && widget instanceof Browser) {
	Browser browser = (Browser)widget;
	return ((Voyager)browser.webBrowser).webProc(data, info);
	}
	return OS.Pt_CONTINUE;
	}

	public boolean back() {
	int ptr = OS.malloc(4);
	int[] args = new int[]{OS.Pt_ARG_WEB_NAVIGATE_PAGE, ptr, 0};
	OS.PtGetResources(webHandle, args.length / 3, args);
	int[] result = new int[1];
	OS.memmove(result, ptr, 4);
	OS.memmove(result, result[0], 4);
	OS.free(ptr);
	if ((result[0] & (1 << OS.Pt_WEB_DIRECTION_BACK)) == 0) return false;
	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_NAVIGATE_PAGE, OS.Pt_WEB_DIRECTION_BACK, 0);
	return true;
	}

	int webProc(int data, int info) {
	switch (data) {
	case OS.Pt_CB_WEB_CLOSE_WINDOW: return Pt_CB_WEB_CLOSE_WINDOW(info);
	case OS.Pt_CB_WEB_COMPLETE: return Pt_CB_WEB_COMPLETE(info);
	case OS.Pt_CB_WEB_DATA_REQ: return Pt_CB_WEB_DATA_REQ(info);
	case OS.Pt_CB_WEB_METADATA: return Pt_CB_WEB_METADATA(info);
	case OS.Pt_CB_WEB_NEW_WINDOW: return Pt_CB_WEB_NEW_WINDOW(info);
	case OS.Pt_CB_WEB_START: return Pt_CB_WEB_START(info);
	case OS.Pt_CB_WEB_STATUS: return Pt_CB_WEB_STATUS(info);
	case OS.Pt_CB_WEB_URL: return Pt_CB_WEB_URL(info);
	}
	return OS.Pt_CONTINUE;
	}

	public boolean execute(String script) {
	return false;
	}

	public boolean forward() {
	int ptr = OS.malloc(4);
	int[] args = new int[]{OS.Pt_ARG_WEB_NAVIGATE_PAGE, ptr, 0};
	OS.PtGetResources(webHandle, args.length / 3, args);
	int[] result = new int[1];
	OS.memmove(result, ptr, 4);
	OS.memmove(result, result[0], 4);
	OS.free(ptr);
	if ((result[0] & (1 << OS.Pt_WEB_DIRECTION_FWD)) == 0) return false;
	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_NAVIGATE_PAGE, OS.Pt_WEB_DIRECTION_FWD, 0);
	return true;
	}

	public String getBrowserType () {
	return "voyager"; //$NON-NLS-1$
	}

	public String getText () {
	// TODO
	return ""; //$NON-NLS-1$
	}

	public String getUrl() {
	return url;
	}

	public boolean isBackEnabled() {
	int ptr = OS.malloc(4);
	int[] args = new int[] {OS.Pt_ARG_WEB_NAVIGATE_PAGE, ptr, 0};
	OS.PtGetResources(webHandle, args.length / 3, args);
	int[] result = new int[1];
	OS.memmove(result, ptr, 4);
	OS.memmove(result, result[0], 4);
	OS.free(ptr);
	return (result[0] & (1 << OS.Pt_WEB_DIRECTION_BACK)) != 0;
	}

	public boolean isForwardEnabled() {
	int ptr = OS.malloc(4);
	int[] args = new int[]{OS.Pt_ARG_WEB_NAVIGATE_PAGE, ptr, 0};
	OS.PtGetResources(webHandle, args.length / 3, args);
	int[] result = new int[1];
	OS.memmove(result, ptr, 4);
	OS.memmove(result, result[0], 4);
	OS.free(ptr);
	return (result[0] & (1 << OS.Pt_WEB_DIRECTION_FWD)) != 0;
	}

	void onDispose() {
	OS.PtDestroyWidget(webHandle);
	webHandle = 0;
	instanceCount--;
	}

	void onFocusGained(Event e) {
	OS.PtContainerGiveFocus(webHandle, null);
	}

	int Pt_CB_WEB_CLOSE_WINDOW(int info) {
	WindowEvent event = new WindowEvent(browser);
	event.display = browser.getDisplay();
	event.widget = browser;
	for(int i = 0; i < closeWindowListeners.length; i++ )
	closeWindowListeners[i].close(event);
	browser.dispose();
	return OS.Pt_CONTINUE;
	}

	int Pt_CB_WEB_COMPLETE(int info) {
	Display display = browser.getDisplay();
	LocationEvent event = new LocationEvent(browser);
	event.display = display;
	event.widget = browser;
	event.location = url;
	event.top = true;
	for (int i = 0; i < locationListeners.length; i++)
	locationListeners[i].changed(event);
	ProgressEvent progress = new ProgressEvent(browser);
	progress.display = display;
	progress.widget = browser;
	progress.current = totalProgress;
	progress.total = totalProgress;
	for (int i = 0; i < progressListeners.length; i++)
	progressListeners[i].completed(progress);
	StatusTextEvent statusevent = new StatusTextEvent(browser);
	statusevent.display = display;
	statusevent.widget = browser;
	statusevent.text = ""; //$NON-NLS-1$
	for (int i = 0; i < statusTextListeners.length; i++)
	statusTextListeners[i].changed(statusevent);
	return OS.Pt_CONTINUE;
	}

	int Pt_CB_WEB_DATA_REQ(int info) {
	PtCallbackInfo_t cbinfo_t = new PtCallbackInfo_t();
	OS.memmove(cbinfo_t, info, PtCallbackInfo_t.sizeof);
	PtWebDataReqCallback_t dataReq = new PtWebDataReqCallback_t();
	OS.memmove(dataReq, cbinfo_t.cbdata, PtWebDataReqCallback_t.sizeof);
	PtWebClient2Data_t clientData = new PtWebClient2Data_t();
	clientData.type = dataReq.type;
	clientData.data = 0;
	String data = null;
	switch (clientData.type) {
	case OS.Pt_WEB_DATA_HEADER:
	StringBuffer sb = new StringBuffer("Content-Type: text/html\n"); //$NON-NLS-1$
	sb.append("Content-Length: "); //$NON-NLS-1$
	sb.append(text.length());
	sb.append("\n"); //$NON-NLS-1$
	data = sb.toString();
	break;
	case OS.Pt_WEB_DATA_BODY:
	/*
	* Feature on Photon. The PtSetResource() call for PtWebClient data imposes
	* a limit on the size of the text buffer being passed. The workaround is
	* to break the text into 1KB chunks.
	*/
	if (text.length() - textOffset > 1024) {
	data = text.substring(textOffset, textOffset + 1024);
	textOffset += 1024;
	} else {
	data = text.substring(textOffset);
	}
	break;
	case OS.Pt_WEB_DATA_CLOSE:
	text = ""; //$NON-NLS-1$
	break;
	}
	if (data != null) {
	byte[] buffer = Converter.wcsToMbcs(null, data, true);
	clientData.data = OS.malloc(buffer.length);
	OS.memmove(clientData.data, buffer, buffer.length);
	clientData.length = buffer.length - 1;
	}
	dataReq.url = clientData.url;
	int ptr = OS.malloc(PtWebClient2Data_t.sizeof);
	OS.memmove(ptr, clientData, PtWebClient2Data_t.sizeof);
	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_DATA, clientData.data, ptr);
	OS.free(ptr);
	if (clientData.data != 0) OS.free(clientData.data);
	return OS.Pt_CONTINUE;
	}

	int Pt_CB_WEB_METADATA(int info) {
	PtCallbackInfo_t cbinfo_t = new PtCallbackInfo_t();
	OS.memmove(cbinfo_t, info, PtCallbackInfo_t.sizeof);
	final PtWebMetaDataCallback_t webmeta_t = new PtWebMetaDataCallback_t();
	OS.memmove(webmeta_t, cbinfo_t.cbdata, PtWebMetaDataCallback_t.sizeof);
	String name = new String(webmeta_t.name, 0, OS.strlen(cbinfo_t.cbdata));
	if (name.equals("title")) { //$NON-NLS-1$
	String title = new String(webmeta_t.value, 0, OS.strlen(cbinfo_t.cbdata + webmeta_t.name.length));
	TitleEvent newEvent = new TitleEvent(browser);
	newEvent.display = browser.getDisplay();
	newEvent.widget = browser;
	newEvent.title = title;
	/*
	* Feature on Photon. The Voyager Browser updates the title section
	* in the window decoration even if the title refers to an inner frame.
	* Browsers on other platforms only update the title that refers to
	* the top frame. As a result, the title event on Photon is sent for
	* both top and inner frames.
	*/
	for (int i = 0; i < titleListeners.length; i++)
	titleListeners[i].changed(newEvent);
	}
	return OS.Pt_CONTINUE;
	}

	int Pt_CB_WEB_NEW_WINDOW(int info) {
	PtCallbackInfo_t cbinfo_t = new PtCallbackInfo_t();
	OS.memmove(cbinfo_t, info, PtCallbackInfo_t.sizeof);
	final PtWebWindowCallback_t webwin_t = new PtWebWindowCallback_t();
	OS.memmove(webwin_t,cbinfo_t.cbdata,PtWebWindowCallback_t.sizeof);
	/*
	* Feature on Photon. The server will use the first PtWebClient
	* widget created from within the CB_WEB_NEW_WINDOW callback to
	* host the new window. The workaround is to create a temporary
	* PtWebClient widget everytime the notification is received.
	* When its location is known, the Browser provided by the
	* application is then redirected.
	*/
	final Browser hidden = new Browser(browser.getParent(), SWT.NONE);
	hidden.addLocationListener(new LocationListener() {
	public void changed(org.eclipse.swt.browser.LocationEvent event) {
	/*
	* Bug on Voyager. The first PtWebClient widget created
	* from within the CB_WEB_NEW_WINDOW callback is the one
	* hosting the new window. For some reason, this PtWebClient
	* widget may or may not receive a Pt_CB_WEB_URL
	* notification. It receives a Pt_CB_WEB_COMPLETE in all cases.
	* The workaround is to reload the content when this occurs.
	* This request causes the Pt_CB_WEB_URL to be correctly sent,
	* providing the information required to redirect the browser
	* provided by the application.
	*/
	if (event.location.length() == 0) {
	hidden.refresh();
	return;
	}
	hidden.dispose();
	}
	public void changing(final org.eclipse.swt.browser.LocationEvent event) {
	Browser redirect = ((Voyager)hidden.webBrowser).redirectBrowser;
	/* Forward the link to the Browser actually provided by the user */
	if (redirect != null && !redirect.isDisposed()) {
	WindowEvent newEvent = new WindowEvent(redirect);
	newEvent.display = browser.getDisplay();
	newEvent.widget = redirect;
	newEvent.location = null;
	/* Photon sets the size to 0,0 when it isn't specified. */
	newEvent.size = webwin_t.size_w == 0 && webwin_t.size_h == 0 ? null : new Point(webwin_t.size_w, webwin_t.size_h);
	for (int i = 0; i < redirect.webBrowser.visibilityWindowListeners.length; i++)
	redirect.webBrowser.visibilityWindowListeners[i].show(newEvent);
	redirect.setUrl(event.location);
	}
	}
	});
	WindowEvent event = new WindowEvent(browser);
	event.display = browser.getDisplay();
	event.widget = browser;
	event.required = true;
	for (int i = 0; i < openWindowListeners.length; i++)
	openWindowListeners[i].open(event);
	if (event.browser != null && !event.browser.isDisposed()) ((Voyager)hidden.webBrowser).redirectBrowser = event.browser;
	return OS.Pt_CONTINUE;
	}

	int Pt_CB_WEB_START(int info) {
	currentProgress = 1;
	ProgressEvent progress = new ProgressEvent(browser);
	progress.display = browser.getDisplay();
	progress.widget = browser;
	progress.current = currentProgress;
	progress.total = totalProgress;
	for (int i = 0; i < progressListeners.length; i++)
	progressListeners[i].changed(progress);
	return OS.Pt_CONTINUE;
	}

	int Pt_CB_WEB_STATUS(int info) {
	PtCallbackInfo_t cbinfo_t = new PtCallbackInfo_t();
	PtWebStatusCallback_t webstatus = new PtWebStatusCallback_t();
	OS.memmove(cbinfo_t, info, PtCallbackInfo_t.sizeof);
	OS.memmove(webstatus, cbinfo_t.cbdata, PtWebStatusCallback_t.sizeof);
	switch (webstatus.type) {
	case OS.Pt_WEB_STATUS_MOUSE :
	case OS.Pt_WEB_STATUS_PROGRESS :
	StatusTextEvent statusevent = new StatusTextEvent(browser);
	statusevent.display = browser.getDisplay();
	statusevent.widget = browser;
	statusevent.text = new String(webstatus.desc, 0, OS.strlen(cbinfo_t.cbdata));
	for (int i = 0; i < statusTextListeners.length; i++)
	statusTextListeners[i].changed(statusevent);
	if (webstatus.type == OS.Pt_WEB_STATUS_PROGRESS) {
	currentProgress++;
	if (currentProgress >= totalProgress) currentProgress = 1;
	ProgressEvent progress = new ProgressEvent(browser);
	progress.display = browser.getDisplay();
	progress.widget = browser;
	progress.current = currentProgress;
	progress.total = totalProgress;
	for (int i = 0; i < progressListeners.length; i++)
	progressListeners[i].changed(progress);
	}
	break;
	}
	return OS.Pt_CONTINUE;
	}

	int Pt_CB_WEB_URL(int info) {
	PtCallbackInfo_t cbinfo_t = new PtCallbackInfo_t();
	OS.memmove(cbinfo_t, info, PtCallbackInfo_t.sizeof);
	byte[] buffer = new byte[OS.strlen(cbinfo_t.cbdata) + 1];
	OS.memmove(buffer, cbinfo_t.cbdata, buffer.length);
	url = new String(Converter.mbcsToWcs(null, buffer));
	LocationEvent event = new LocationEvent(browser);
	event.display = browser.getDisplay();
	event.widget = browser;
	event.location = url;
	event.doit = true;
	for (int i = 0; i < locationListeners.length; i++)
	locationListeners[i].changing(event);
	/* Widget could have been disposed */
	if (browser.isDisposed()) return OS.Pt_CONTINUE;
	if (!event.doit) stop();
	return OS.Pt_CONTINUE;
	}

	public void refresh() {
	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_RELOAD, 1, 0);
	}

	public boolean setText(String html) {
	text = html;
	textOffset = 0;
	byte[] buffer = Converter.wcsToMbcs(null, "client:", true); //$NON-NLS-1$
	int ptr = OS.malloc(buffer.length);
	OS.memmove(ptr, buffer, buffer.length);
	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_GET_URL, ptr, OS.Pt_WEB_ACTION_DISPLAY);
	OS.free(ptr);
	return true;
	}

	public boolean setUrl(String url) {
	byte[] buffer = Converter.wcsToMbcs(null, url, true);
	int ptr = OS.malloc(buffer.length);
	OS.memmove(ptr, buffer, buffer.length);
	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_GET_URL, ptr, OS.Pt_WEB_ACTION_DISPLAY);
	OS.free(ptr);
	return true;
	}

	public void stop() {
	OS.PtSetResource(webHandle, OS.Pt_ARG_WEB_STOP, 1, 0);
	}
	}