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/*******************************************************************************
* 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:
* 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 webBrowser, host, jniRef;
boolean ignoreDispose;
static {
NativeClearSessions = new Runnable() {
public void run() {
// OS.InternetSetOption (0, OS.INTERNET_OPTION_END_BROWSER_SESSION, 0, 0);
}
};
}
public boolean create(Composite parent, int style) {
host = OS.gcnew_WindowsFormsHost();
if (host == 0) SWT.error(SWT.ERROR_NO_HANDLES);
webBrowser = OS.gcnew_WebBrowser();
if (webBrowser == 0) SWT.error(SWT.ERROR_NO_HANDLES);
OS.WindowsFormsHost_Child(host, webBrowser);
jniRef = OS.NewGlobalRef(this);
if (jniRef == 0) SWT.error(SWT.ERROR_NO_HANDLES);
OS.WebBrowser_ScriptErrorsSuppressed(webBrowser, true);
int handler = OS.gcnew_WebBrowserNavigatingEventHandler(jniRef, "HandleNavigating");
OS.WebBrowser_Navigating(webBrowser, handler);
OS.GCHandle_Free(handler);
handler = OS.gcnew_WebBrowserProgressChangedEventHandler(jniRef, "HandleProgressChanged");
OS.WebBrowser_ProgressChanged(webBrowser, handler);
OS.GCHandle_Free(handler);
handler = OS.gcnew_EventHandler(jniRef, "HandleStatusTextChanged");
OS.WebBrowser_StatusTextChanged(webBrowser, handler);
OS.GCHandle_Free(handler);
handler = OS.gcnew_EventHandler(jniRef, "HandleDocumentTitleChanged");
OS.WebBrowser_DocumentTitleChanged(webBrowser, handler);
OS.GCHandle_Free(handler);
handler = OS.gcnew_WebBrowserDocumentCompletedEventHandler(jniRef, "HandleDocumentCompleted");
OS.WebBrowser_DocumentCompleted(webBrowser, handler);
OS.GCHandle_Free(handler);
int parentHandle = browser.handle;
int children = OS.Panel_Children(parentHandle);
OS.UIElementCollection_Insert(children, 0, host);
OS.GCHandle_Free(children);
OS.FrameworkElement_Width(host, OS.FrameworkElement_Width(parentHandle));
OS.FrameworkElement_Height(host, 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(host);
OS.GCHandle_Free(webBrowser);
OS.DeleteGlobalRef(jniRef);
host = webBrowser = jniRef = 0;
break;
}
case SWT.Resize: {
OS.FrameworkElement_Width(host, OS.FrameworkElement_Width(browser.handle));
OS.FrameworkElement_Height(host, OS.FrameworkElement_Height(browser.handle));
break;
}
}
}
};
browser.addListener(SWT.Resize, listener);
browser.addListener(SWT.Dispose, listener);
return true;
}
public boolean back() {
return OS.WebBrowser_GoBack(webBrowser);
}
public boolean execute(String script) {
// int document = OS.WebBrowser_Document(frame);
// int length = script.length ();
// char [] buffer = new char [length + 1];
// script.getChars (0, length, buffer, 0);
// int str = OS.gcnew_String (buffer);
// int result = OS.HtmlDocument_InvokeScript(document, str);
// OS.GCHandle_Free(result);
// OS.GCHandle_Free(str);
// OS.GCHandle_Free(document);
return true;
}
public boolean forward() {
return OS.WebBrowser_GoForward(webBrowser);
}
public String getBrowserType () {
return "ie"; //$NON-NLS-1$
}
public String getText () {
// TODO
return ""; //$NON-NLS-1$
}
public String getUrl() {
int uri = OS.WebBrowser_Url(webBrowser);
String url = getUriString (uri);
if (uri != 0) OS.GCHandle_Free(uri);
return url;
}
String getUriString(int uri) {
if (uri == 0) return null;
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);
return url;
}
void HandleDocumentCompleted(int sender, int e) {
if (webBrowser == 0) return;
int uri = OS.WebBrowserDocumentCompletedEventArgs_Url(e);
String url = getUriString (uri);
if (uri != 0) OS.GCHandle_Free(uri);
LocationEvent newEvent = new LocationEvent(browser);
newEvent.display = browser.getDisplay();
newEvent.widget = browser;
newEvent.location = url;
newEvent.doit = true;
for (int i = 0; i < locationListeners.length; i++) {
locationListeners[i].changing(newEvent);
}
if (browser.isDisposed()) return;
ProgressEvent progressEvent = new ProgressEvent(browser);
progressEvent.display = browser.getDisplay();
progressEvent.widget = browser;
for (int i = 0; i < progressListeners.length; i++) {
progressListeners[i].completed(progressEvent);
}
}
void HandleDocumentTitleChanged(int sender, int e) {
if (webBrowser == 0) return;
int str = OS.WebBrowser_DocumentTitle(webBrowser);
String title = "";
if (str != 0) {
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);
OS.GCHandle_Free(str);
title = new String(chars);
}
TitleEvent newEvent = new TitleEvent(browser);
newEvent.display = browser.getDisplay();
newEvent.widget = browser;
newEvent.title = title;
for (int i = 0; i < titleListeners.length; i++) {
titleListeners[i].changed(newEvent);
}
}
void HandleNavigating(int sender, int e) {
if (webBrowser == 0) return;
int uri = OS.WebBrowserNavigatingEventArgs_Url(e);
String url = getUriString (uri);
if (uri != 0) OS.GCHandle_Free(uri);
LocationEvent newEvent = new LocationEvent(browser);
newEvent.display = browser.getDisplay();
newEvent.widget = browser;
newEvent.location = url;
newEvent.doit = true;
for (int i = 0; i < locationListeners.length; i++) {
locationListeners[i].changing(newEvent);
}
}
void HandleProgressChanged(int sender, int e) {
if (webBrowser == 0) return;
long nProgress = OS.WebBrowserProgressChangedEventArgs_CurrentProgress(e);
long nProgressMax = OS.WebBrowserProgressChangedEventArgs_MaximumProgress(e);
if (nProgress != -1) {
ProgressEvent newEvent = new ProgressEvent(browser);
newEvent.display = browser.getDisplay();
newEvent.widget = browser;
newEvent.current = (int)nProgress;
newEvent.total = (int)nProgressMax;
for (int i = 0; i < progressListeners.length; i++) {
progressListeners[i].changed(newEvent);
}
}
}
void HandleStatusTextChanged(int sender, int e) {
if (webBrowser == 0) return;
int str = OS.WebBrowser_StatusText(webBrowser);
String text = "";
if (str != 0) {
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);
OS.GCHandle_Free(str);
text = new String(chars);
}
StatusTextEvent newEvent = new StatusTextEvent(browser);
newEvent.display = browser.getDisplay();
newEvent.widget = browser;
newEvent.text = text;
for (int i = 0; i < statusTextListeners.length; i++) {
statusTextListeners[i].changed(newEvent);
}
}
public boolean isBackEnabled() {
return OS.WebBrowser_CanGoBack(webBrowser);
}
public boolean isForwardEnabled() {
return OS.WebBrowser_CanGoForward(webBrowser);
}
public void refresh() {
OS.WebBrowser_Refresh(webBrowser);
}
public boolean setText(String html, boolean trusted) {
int state = OS.WebBrowser_ReadyState(webBrowser);
if (!(state == OS.WebBrowserReadyState_Uninitialized || state == OS.WebBrowserReadyState_Complete)) {
OS.WebBrowser_Stop(webBrowser);
}
int length = html.length ();
char [] buffer = new char [length + 1];
html.getChars (0, length, buffer, 0);
int str = OS.gcnew_String (buffer);
if (str == 0) SWT.error (SWT.ERROR_NO_HANDLES);
OS.WebBrowser_DocumentText(webBrowser, str);
OS.GCHandle_Free(str);
return true;
}
public boolean setUrl(String url, String postData, String[] headers) {
int state = OS.WebBrowser_ReadyState(webBrowser);
if (!(state == OS.WebBrowserReadyState_Uninitialized || state == OS.WebBrowserReadyState_Complete)) {
OS.WebBrowser_Stop(webBrowser);
}
int length = url.length ();
char [] buffer = new char [length + 1];
url.getChars (0, length, buffer, 0);
int str = OS.gcnew_String (buffer);
OS.WebBrowser_Navigate(webBrowser, str);
OS.GCHandle_Free(str);
return true;
}
public void stop() {
OS.WebBrowser_Stop(webBrowser);
}
}
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