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SWT is an open source widget toolkit for Java designed to provide efficient, portable access to the user-interface facilities of the operating systems on which it is implemented.
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/*******************************************************************************
* Copyright (c) 2000, 2012 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.*;
import org.eclipse.swt.internal.C;
import org.eclipse.swt.internal.ole.win32.*;
import org.eclipse.swt.ole.win32.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.internal.win32.*;
class WebSite extends OleControlSite {
COMObject iDocHostUIHandler;
COMObject iDocHostShowUI;
COMObject iServiceProvider;
COMObject iInternetSecurityManager;
COMObject iOleCommandTarget;
COMObject iAuthenticate;
COMObject iDispatch;
boolean ignoreNextMessage, ignoreAllMessages;
Boolean canExecuteApplets;
static final int OLECMDID_SHOWSCRIPTERROR = 40;
static final short [] ACCENTS = new short [] {'~', '`', '\'', '^', '"'};
static final String CONSUME_KEY = "org.eclipse.swt.OleFrame.ConsumeKey"; //$NON-NLS-1$
public WebSite(Composite parent, int style, String progId) {
super(parent, style, progId);
}
protected void createCOMInterfaces () {
super.createCOMInterfaces();
iDocHostUIHandler = new COMObject(new int[]{2, 0, 0, 4, 1, 5, 0, 0, 1, 1, 1, 3, 3, 2, 2, 1, 3, 2}){
public long /*int*/ method0(long /*int*/[] args) {return QueryInterface(args[0], args[1]);}
public long /*int*/ method1(long /*int*/[] args) {return AddRef();}
public long /*int*/ method2(long /*int*/[] args) {return Release();}
public long /*int*/ method3(long /*int*/[] args) {return ShowContextMenu((int)/*64*/args[0], args[1], args[2], args[3]);}
public long /*int*/ method4(long /*int*/[] args) {return GetHostInfo(args[0]);}
public long /*int*/ method5(long /*int*/[] args) {return ShowUI((int)/*64*/args[0], args[1], args[2], args[3], args[4]);}
public long /*int*/ method6(long /*int*/[] args) {return HideUI();}
public long /*int*/ method7(long /*int*/[] args) {return UpdateUI();}
public long /*int*/ method8(long /*int*/[] args) {return EnableModeless((int)/*64*/args[0]);}
public long /*int*/ method9(long /*int*/[] args) {return OnDocWindowActivate((int)/*64*/args[0]);}
public long /*int*/ method10(long /*int*/[] args) {return OnFrameWindowActivate((int)/*64*/args[0]);}
public long /*int*/ method11(long /*int*/[] args) {return ResizeBorder(args[0], args[1], (int)/*64*/args[2]);}
public long /*int*/ method12(long /*int*/[] args) {return TranslateAccelerator(args[0], args[1], (int)/*64*/args[2]);}
public long /*int*/ method13(long /*int*/[] args) {return GetOptionKeyPath(args[0], (int)/*64*/args[1]);}
public long /*int*/ method14(long /*int*/[] args) {return GetDropTarget(args[0], args[1]);}
public long /*int*/ method15(long /*int*/[] args) {return GetExternal(args[0]);}
public long /*int*/ method16(long /*int*/[] args) {return TranslateUrl((int)/*64*/args[0], args[1], args[2]);}
public long /*int*/ method17(long /*int*/[] args) {return FilterDataObject(args[0], args[1]);}
};
iDocHostShowUI = new COMObject(new int[]{2, 0, 0, 7, C.PTR_SIZEOF == 4 ? 7 : 6}){
public long /*int*/ method0(long /*int*/[] args) {return QueryInterface(args[0], args[1]);}
public long /*int*/ method1(long /*int*/[] args) {return AddRef();}
public long /*int*/ method2(long /*int*/[] args) {return Release();}
public long /*int*/ method3(long /*int*/[] args) {return ShowMessage(args[0], args[1], args[2], (int)/*64*/args[3], args[4], (int)/*64*/args[5], args[6]);}
public long /*int*/ method4(long /*int*/[] args) {
if (args.length == 7) {
return ShowHelp(args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3], (int)/*64*/args[4], (int)/*64*/args[5], args[6]);
} else {
return ShowHelp_64(args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3], args[4], args[5]);
}
}
};
iServiceProvider = new COMObject(new int[]{2, 0, 0, 3}){
public long /*int*/ method0(long /*int*/[] args) {return QueryInterface(args[0], args[1]);}
public long /*int*/ method1(long /*int*/[] args) {return AddRef();}
public long /*int*/ method2(long /*int*/[] args) {return Release();}
public long /*int*/ method3(long /*int*/[] args) {return QueryService(args[0], args[1], args[2]);}
};
iInternetSecurityManager = new COMObject(new int[]{2, 0, 0, 1, 1, 3, 4, 8, 7, 3, 3}){
public long /*int*/ method0(long /*int*/[] args) {return QueryInterface(args[0], args[1]);}
public long /*int*/ method1(long /*int*/[] args) {return AddRef();}
public long /*int*/ method2(long /*int*/[] args) {return Release();}
public long /*int*/ method3(long /*int*/[] args) {return SetSecuritySite(args[0]);}
public long /*int*/ method4(long /*int*/[] args) {return GetSecuritySite(args[0]);}
public long /*int*/ method5(long /*int*/[] args) {return MapUrlToZone(args[0], args[1], (int)/*64*/args[2]);}
public long /*int*/ method6(long /*int*/[] args) {return GetSecurityId(args[0], args[1], args[2], args[3]);}
public long /*int*/ method7(long /*int*/[] args) {return ProcessUrlAction(args[0], (int)/*64*/args[1], args[2], (int)/*64*/args[3], args[4], (int)/*64*/args[5], (int)/*64*/args[6], (int)/*64*/args[7]);}
public long /*int*/ method8(long /*int*/[] args) {return QueryCustomPolicy(args[0], args[1], args[2], args[3], args[4], (int)/*64*/args[5], (int)/*64*/args[6]);}
public long /*int*/ method9(long /*int*/[] args) {return SetZoneMapping((int)/*64*/args[0], args[1], (int)/*64*/args[2]);}
public long /*int*/ method10(long /*int*/[] args) {return GetZoneMappings((int)/*64*/args[0], args[1], (int)/*64*/args[2]);}
};
iOleCommandTarget = new COMObject(new int[]{2, 0, 0, 4, 5}) {
public long /*int*/ method0(long /*int*/[] args) {return QueryInterface(args[0], args[1]);}
public long /*int*/ method1(long /*int*/[] args) {return AddRef();}
public long /*int*/ method2(long /*int*/[] args) {return Release();}
public long /*int*/ method3(long /*int*/[] args) {return QueryStatus(args[0], (int)/*64*/args[1], args[2], args[3]);}
public long /*int*/ method4(long /*int*/[] args) {return Exec(args[0], (int)/*64*/args[1], (int)/*64*/args[2], args[3], args[4]);}
};
iAuthenticate = new COMObject(new int[]{2, 0, 0, 3}){
public long /*int*/ method0(long /*int*/[] args) {return QueryInterface(args[0], args[1]);}
public long /*int*/ method1(long /*int*/[] args) {return AddRef();}
public long /*int*/ method2(long /*int*/[] args) {return Release();}
public long /*int*/ method3(long /*int*/[] args) {return Authenticate(args[0], args[1], args[2]);}
};
iDispatch = new COMObject (new int[] {2, 0, 0, 1, 3, 5, 8}) {
public long /*int*/ method0 (long /*int*/[] args) {
/*
* IDispatch check must be done here instead of in the shared QueryInterface
* implementation, to avoid answering the superclass's IDispatch implementation
* instead of this one.
*/
GUID guid = new GUID ();
COM.MoveMemory (guid, args[0], GUID.sizeof);
if (COM.IsEqualGUID (guid, COM.IIDIDispatch)) {
COM.MoveMemory (args[1], new long /*int*/[] {iDispatch.getAddress ()}, OS.PTR_SIZEOF);
AddRef ();
return COM.S_OK;
}
return QueryInterface (args[0], args[1]);
}
public long /*int*/ method1 (long /*int*/[] args) {return AddRef ();}
public long /*int*/ method2 (long /*int*/[] args) {return Release ();}
public long /*int*/ method3 (long /*int*/[] args) {return GetTypeInfoCount (args[0]);}
public long /*int*/ method4 (long /*int*/[] args) {return GetTypeInfo ((int)/*64*/args[0], (int)/*64*/args[1], args[2]);}
public long /*int*/ method5 (long /*int*/[] args) {return GetIDsOfNames ((int)/*64*/args[0], args[1], (int)/*64*/args[2], (int)/*64*/args[3], args[4]);}
public long /*int*/ method6 (long /*int*/[] args) {return Invoke ((int)/*64*/args[0], (int)/*64*/args[1], (int)/*64*/args[2], (int)/*64*/args[3], args[4], args[5], args[6], args[7]);}
};
}
protected void disposeCOMInterfaces() {
super.disposeCOMInterfaces();
if (iDocHostUIHandler != null) {
iDocHostUIHandler.dispose();
iDocHostUIHandler = null;
}
if (iDocHostShowUI != null) {
iDocHostShowUI.dispose();
iDocHostShowUI = null;
}
if (iServiceProvider != null) {
iServiceProvider.dispose();
iServiceProvider = null;
}
if (iInternetSecurityManager != null) {
iInternetSecurityManager.dispose();
iInternetSecurityManager = null;
}
if (iOleCommandTarget != null) {
iOleCommandTarget.dispose();
iOleCommandTarget = null;
}
if (iAuthenticate != null) {
iAuthenticate.dispose();
iAuthenticate = null;
}
if (iDispatch != null) {
iDispatch.dispose ();
iDispatch = null;
}
}
protected int AddRef() {
/* Workaround for javac 1.1.8 bug */
return super.AddRef();
}
protected int QueryInterface(long /*int*/ riid, long /*int*/ ppvObject) {
int result = super.QueryInterface(riid, ppvObject);
if (result == COM.S_OK) return result;
if (riid == 0 || ppvObject == 0) return COM.E_INVALIDARG;
GUID guid = new GUID();
COM.MoveMemory(guid, riid, GUID.sizeof);
if (COM.IsEqualGUID(guid, COM.IIDIDocHostUIHandler)) {
COM.MoveMemory(ppvObject, new long /*int*/[] {iDocHostUIHandler.getAddress()}, OS.PTR_SIZEOF);
AddRef();
return COM.S_OK;
}
if (COM.IsEqualGUID(guid, COM.IIDIDocHostShowUI)) {
COM.MoveMemory(ppvObject, new long /*int*/[] {iDocHostShowUI.getAddress()}, OS.PTR_SIZEOF);
AddRef();
return COM.S_OK;
}
if (COM.IsEqualGUID(guid, COM.IIDIServiceProvider)) {
COM.MoveMemory(ppvObject, new long /*int*/[] {iServiceProvider.getAddress()}, OS.PTR_SIZEOF);
AddRef();
return COM.S_OK;
}
if (COM.IsEqualGUID(guid, COM.IIDIInternetSecurityManager)) {
COM.MoveMemory(ppvObject, new long /*int*/[] {iInternetSecurityManager.getAddress()}, OS.PTR_SIZEOF);
AddRef();
return COM.S_OK;
}
if (COM.IsEqualGUID(guid, COM.IIDIOleCommandTarget)) {
COM.MoveMemory(ppvObject, new long /*int*/[] {iOleCommandTarget.getAddress()}, OS.PTR_SIZEOF);
AddRef();
return COM.S_OK;
}
COM.MoveMemory(ppvObject, new long /*int*/[] {0}, OS.PTR_SIZEOF);
return COM.E_NOINTERFACE;
}
/* IDocHostUIHandler */
int EnableModeless(int EnableModeless) {
return COM.E_NOTIMPL;
}
int FilterDataObject(long /*int*/ pDO, long /*int*/ ppDORet) {
return COM.E_NOTIMPL;
}
int GetDropTarget(long /*int*/ pDropTarget, long /*int*/ ppDropTarget) {
return COM.E_NOTIMPL;
}
int GetExternal(long /*int*/ ppDispatch) {
OS.MoveMemory (ppDispatch, new long /*int*/[] {iDispatch.getAddress()}, C.PTR_SIZEOF);
AddRef ();
return COM.S_OK;
}
int GetHostInfo(long /*int*/ pInfo) {
int info = IE.DOCHOSTUIFLAG_THEME;
IE browser = (IE)((Browser)getParent().getParent()).webBrowser;
if ((browser.style & SWT.BORDER) == 0) info |= IE.DOCHOSTUIFLAG_NO3DOUTERBORDER;
DOCHOSTUIINFO uiInfo = new DOCHOSTUIINFO ();
OS.MoveMemory(uiInfo, pInfo, DOCHOSTUIINFO.sizeof);
uiInfo.dwFlags = info;
OS.MoveMemory(pInfo, uiInfo, DOCHOSTUIINFO.sizeof);
return COM.S_OK;
}
int GetOptionKeyPath(long /*int*/ pchKey, int dw) {
return COM.E_NOTIMPL;
}
int HideUI() {
return COM.E_NOTIMPL;
}
int OnDocWindowActivate(int fActivate) {
return COM.E_NOTIMPL;
}
int OnFrameWindowActivate(int fActivate) {
return COM.E_NOTIMPL;
}
protected int Release() {
/* Workaround for javac 1.1.8 bug */
return super.Release();
}
int ResizeBorder(long /*int*/ prcBorder, long /*int*/ pUIWindow, int fFrameWindow) {
return COM.E_NOTIMPL;
}
int ShowContextMenu(int dwID, long /*int*/ ppt, long /*int*/ pcmdtReserved, long /*int*/ pdispReserved) {
Browser browser = (Browser)getParent().getParent();
Event event = new Event();
POINT pt = new POINT();
OS.MoveMemory(pt, ppt, POINT.sizeof);
event.x = pt.x;
event.y = pt.y;
browser.notifyListeners(SWT.MenuDetect, event);
if (!event.doit) return COM.S_OK;
Menu menu = browser.getMenu();
if (menu != null && !menu.isDisposed ()) {
if (pt.x != event.x || pt.y != event.y) {
menu.setLocation (event.x, event.y);
}
menu.setVisible (true);
return COM.S_OK;
}
/* Show default IE popup menu */
return COM.S_FALSE;
}
int ShowUI(int dwID, long /*int*/ pActiveObject, long /*int*/ pCommandTarget, long /*int*/ pFrame, long /*int*/ pDoc) {
return COM.S_FALSE;
}
int TranslateAccelerator(long /*int*/ lpMsg, long /*int*/ pguidCmdGroup, int nCmdID) {
/*
* Feature in Internet Explorer. By default the embedded Internet Explorer control runs
* the Internet Explorer shortcuts (e.g. Ctrl+F for Find). This overrides the shortcuts
* defined by SWT. The workaround is to forward the accelerator keys to the parent window
* and have Internet Explorer ignore the ones handled by the parent window.
*/
Menu menubar = getShell().getMenuBar();
if (menubar != null && !menubar.isDisposed() && menubar.isEnabled()) {
Shell shell = menubar.getShell();
long /*int*/ hwnd = shell.handle;
long /*int*/ hAccel = OS.SendMessage(hwnd, OS.WM_APP+1, 0, 0);
if (hAccel != 0) {
MSG msg = new MSG();
OS.MoveMemory(msg, lpMsg, MSG.sizeof);
if (OS.TranslateAccelerator(hwnd, hAccel, msg) != 0) return COM.S_OK;
}
}
/*
* By default the IE shortcuts are run. However, the shortcuts below should not run
* in this context. The workaround is to block IE from handling these shortcuts by
* answering COM.S_OK.
*
* - F5 causes a refresh, which is not appropriate when rendering HTML from memory
* - CTRL+L and CTRL+O show an Open Location dialog in IE8, which is undesirable and
* can crash in some contexts
* - CTRL+N opens a standalone IE, which is undesirable and can crash in some contexts
*/
int result = COM.S_FALSE;
MSG msg = new MSG();
OS.MoveMemory(msg, lpMsg, MSG.sizeof);
if (msg.message == OS.WM_KEYDOWN) {
switch ((int)/*64*/msg.wParam) {
case OS.VK_F5:
OleAutomation auto = new OleAutomation(this);
int[] rgdispid = auto.getIDsOfNames(new String[] { "LocationURL" }); //$NON-NLS-1$
Variant pVarResult = auto.getProperty(rgdispid[0]);
auto.dispose();
if (pVarResult != null) {
if (pVarResult.getType() == OLE.VT_BSTR) {
String url = pVarResult.getString();
if (url.equals(IE.ABOUT_BLANK)) result = COM.S_OK;
}
pVarResult.dispose();
}
break;
case OS.VK_TAB:
/*
* Do not interfere with tab traversal since it's not known
* if it will be within IE or out to another Control.
*/
break;
case OS.VK_UP:
case OS.VK_DOWN:
case OS.VK_LEFT:
case OS.VK_RIGHT:
case OS.VK_HOME:
case OS.VK_END:
case OS.VK_PRIOR:
case OS.VK_NEXT:
/* Do not translate/consume IE's keys for scrolling content. */
break;
case OS.VK_BACK:
case OS.VK_RETURN:
/*
* Translating OS.VK_BACK or OS.VK_RETURN results in the native control
* handling them twice (eg.- inserting two lines instead of one). So
* these keys are not translated here, and instead are explicitly handled
* in the keypress handler.
*/
break;
case OS.VK_L:
case OS.VK_N:
case OS.VK_O:
if (OS.GetKeyState (OS.VK_CONTROL) < 0 && OS.GetKeyState (OS.VK_MENU) >= 0 && OS.GetKeyState (OS.VK_SHIFT) >= 0) {
if (msg.wParam == OS.VK_N || IE.IEVersion >= 8) {
frame.setData(CONSUME_KEY, "false"); //$NON-NLS-1$
result = COM.S_OK;
break;
}
}
// FALL THROUGH
default:
OS.TranslateMessage(msg);
frame.setData(CONSUME_KEY, "true"); //$NON-NLS-1$
break;
}
}
switch (msg.message) {
case OS.WM_KEYDOWN:
case OS.WM_KEYUP: {
if (!OS.IsWinCE) {
boolean isAccent = false;
switch ((int)/*64*/msg.wParam) {
case OS.VK_SHIFT:
case OS.VK_MENU:
case OS.VK_CONTROL:
case OS.VK_CAPITAL:
case OS.VK_NUMLOCK:
case OS.VK_SCROLL:
break;
default: {
/*
* Bug in Windows. The high bit in the result of MapVirtualKey() on
* Windows NT is bit 32 while the high bit on Windows 95 is bit 16.
* They should both be bit 32. The fix is to test the right bit.
*/
int mapKey = OS.MapVirtualKey ((int)/*64*/msg.wParam, 2);
if (mapKey != 0) {
isAccent = (mapKey & (OS.IsWinNT ? 0x80000000 : 0x8000)) != 0;
if (!isAccent) {
for (int i=0; i> 8;
if ((OS.GetKeyState (OS.VK_SHIFT) < 0) == ((state & 0x1) != 0) &&
(OS.GetKeyState (OS.VK_CONTROL) < 0) == ((state & 0x2) != 0) &&
(OS.GetKeyState (OS.VK_MENU) < 0) == ((state & 0x4) != 0)) {
if ((state & 0x7) != 0) isAccent = true;
break;
}
}
}
}
}
break;
}
}
if (isAccent) result = COM.S_OK;
}
}
}
return result;
}
int TranslateUrl(int dwTranslate, long /*int*/ pchURLIn, long /*int*/ ppchURLOut) {
return COM.E_NOTIMPL;
}
int UpdateUI() {
return COM.E_NOTIMPL;
}
/* IDocHostShowUI */
int ShowMessage(long /*int*/ hwnd, long /*int*/ lpstrText, long /*int*/ lpstrCaption, int dwType, long /*int*/ lpstrHelpFile, int dwHelpContext, long /*int*/ plResult) {
boolean ignore = ignoreNextMessage || ignoreAllMessages;
ignoreNextMessage = false;
return ignore ? COM.S_OK : COM.S_FALSE;
}
int ShowHelp_64(long /*int*/ hwnd, long /*int*/ pszHelpFile, int uCommand, int dwData, long pt, long /*int*/ pDispatchObjectHit) {
POINT point = new POINT();
OS.MoveMemory(point, new long[]{pt}, 8);
return ShowHelp(hwnd, pszHelpFile, uCommand, dwData, point.x, point.y, pDispatchObjectHit);
}
/* Note. One of the arguments of ShowHelp is a POINT struct and not a pointer to a POINT struct. Because
* of the way Callback gets int parameters from a va_list of C arguments 2 integer arguments must be declared,
* ptMouse_x and ptMouse_y. Otherwise the Browser crashes when the user presses F1 to invoke
* the help.
*/
int ShowHelp(long /*int*/ hwnd, long /*int*/ pszHelpFile, int uCommand, int dwData, int ptMouse_x, int ptMouse_y, long /*int*/ pDispatchObjectHit) {
Browser browser = (Browser)getParent().getParent();
Event event = new Event();
event.type = SWT.Help;
event.display = getDisplay();
event.widget = browser;
Shell shell = browser.getShell();
Control control = browser;
do {
if (control.isListening(SWT.Help)) {
control.notifyListeners(SWT.Help, event);
break;
}
if (control == shell) break;
control = control.getParent();
} while (true);
return COM.S_OK;
}
/* IServiceProvider */
int QueryService(long /*int*/ guidService, long /*int*/ riid, long /*int*/ ppvObject) {
if (riid == 0 || ppvObject == 0) return COM.E_INVALIDARG;
GUID guid = new GUID();
COM.MoveMemory(guid, riid, GUID.sizeof);
if (COM.IsEqualGUID(guid, COM.IIDIInternetSecurityManager)) {
COM.MoveMemory(ppvObject, new long /*int*/[] {iInternetSecurityManager.getAddress()}, OS.PTR_SIZEOF);
AddRef();
return COM.S_OK;
}
if (COM.IsEqualGUID(guid, COM.IIDIAuthenticate)) {
COM.MoveMemory(ppvObject, new long /*int*/[] {iAuthenticate.getAddress()}, OS.PTR_SIZEOF);
AddRef();
return COM.S_OK;
}
COM.MoveMemory(ppvObject, new long /*int*/[] {0}, OS.PTR_SIZEOF);
return COM.E_NOINTERFACE;
}
/* IInternetSecurityManager */
int SetSecuritySite(long /*int*/ pSite) {
return IE.INET_E_DEFAULT_ACTION;
}
int GetSecuritySite(long /*int*/ ppSite) {
return IE.INET_E_DEFAULT_ACTION;
}
int MapUrlToZone(long /*int*/ pwszUrl, long /*int*/ pdwZone, int dwFlags) {
/*
* Feature in IE. HTML rendered in memory does not enable local links
* but the same HTML document loaded through a local file is permitted
* to follow local links. The workaround is to return URLZONE_INTRANET
* instead of the default value URLZONE_LOCAL_MACHINE.
*/
IE ie = (IE)((Browser)getParent().getParent()).webBrowser;
/*
* For some reason IE8 invokes this function after the Browser has
* been disposed. To detect this case check for ie.auto != null.
*/
if (ie.auto != null && ie.isAboutBlank && !ie.untrustedText) {
COM.MoveMemory(pdwZone, new int[] {IE.URLZONE_INTRANET}, 4);
return COM.S_OK;
}
return IE.INET_E_DEFAULT_ACTION;
}
int GetSecurityId(long /*int*/ pwszUrl, long /*int*/ pbSecurityId, long /*int*/ pcbSecurityId, long /*int*/ dwReserved) {
return IE.INET_E_DEFAULT_ACTION;
}
int ProcessUrlAction(long /*int*/ pwszUrl, int dwAction, long /*int*/ pPolicy, int cbPolicy, long /*int*/ pContext, int cbContext, int dwFlags, int dwReserved) {
ignoreNextMessage = false;
/*
* If the current page is about:blank and is trusted then
* override default zone elevation settings to allow the action.
*/
if (dwAction == IE.URLACTION_FEATURE_ZONE_ELEVATION) {
IE ie = (IE)((Browser)getParent().getParent()).webBrowser;
if (ie.auto != null && ie._getUrl().startsWith(IE.ABOUT_BLANK) && !ie.untrustedText) {
if (cbPolicy >= 4) COM.MoveMemory(pPolicy, new int[] {IE.URLPOLICY_ALLOW}, 4);
return COM.S_OK;
}
}
int policy = IE.INET_E_DEFAULT_ACTION;
if (dwAction >= IE.URLACTION_JAVA_MIN && dwAction <= IE.URLACTION_JAVA_MAX) {
if (canExecuteApplets ()) {
policy = IE.URLPOLICY_JAVA_LOW;
} else {
policy = IE.URLPOLICY_JAVA_PROHIBIT;
ignoreNextMessage = true;
}
}
if (dwAction == IE.URLACTION_ACTIVEX_RUN) {
GUID guid = new GUID();
COM.MoveMemory(guid, pContext, GUID.sizeof);
if (COM.IsEqualGUID(guid, COM.IIDJavaBeansBridge) && !canExecuteApplets ()) {
policy = IE.URLPOLICY_DISALLOW;
ignoreNextMessage = true;
}
if (COM.IsEqualGUID(guid, COM.IIDShockwaveActiveXControl)) {
policy = IE.URLPOLICY_DISALLOW;
ignoreNextMessage = true;
}
}
if (dwAction == IE.URLACTION_SCRIPT_RUN) {
IE browser = (IE)((Browser)getParent ().getParent ()).webBrowser;
policy = browser.jsEnabled ? IE.URLPOLICY_ALLOW : IE.URLPOLICY_DISALLOW;
}
if (policy == IE.INET_E_DEFAULT_ACTION) return IE.INET_E_DEFAULT_ACTION;
if (cbPolicy >= 4) COM.MoveMemory(pPolicy, new int[] {policy}, 4);
return policy == IE.URLPOLICY_ALLOW ? COM.S_OK : COM.S_FALSE;
}
boolean canExecuteApplets () {
/*
* Executing an applet in embedded IE will crash if IE's Java plug-in
* launches its jre in IE's process, because this new jre conflicts
* with the one running eclipse. These cases need to be avoided by
* vetoing the running of applets.
*
* However as of Sun jre 1.6u10, applets can be launched in a separate
* process, which avoids the conflict with the jre running eclipse.
* Therefore if this condition is detected, and if the required jar
* libraries are available, then applets can be executed.
*/
/*
* executing applets with IE6 embedded can crash, so do not
* attempt this if the version is less than IE7
*/
if (IE.IEVersion < 7) return false;
if (canExecuteApplets == null) {
WebBrowser webBrowser = ((Browser)getParent ().getParent ()).webBrowser;
String script = "try {var element = document.createElement('object');element.classid='clsid:CAFEEFAC-DEC7-0000-0000-ABCDEFFEDCBA';return element.object.isPlugin2();} catch (err) {};return false;"; //$NON-NLS-1$
canExecuteApplets = ((Boolean)webBrowser.evaluate (script));
if (canExecuteApplets.booleanValue ()) {
try {
Class.forName ("sun.plugin2.main.server.IExplorerPlugin"); /* plugin.jar */ //$NON-NLS-1$
Class.forName ("com.sun.deploy.services.Service"); /* deploy.jar */ //$NON-NLS-1$
Class.forName ("com.sun.javaws.Globals"); /* javaws.jar */ //$NON-NLS-1$
} catch (ClassNotFoundException e) {
/* one or more of the required jar libraries are not available */
canExecuteApplets = Boolean.FALSE;
}
}
}
return canExecuteApplets.booleanValue ();
}
int QueryCustomPolicy(long /*int*/ pwszUrl, long /*int*/ guidKey, long /*int*/ ppPolicy, long /*int*/ pcbPolicy, long /*int*/ pContext, int cbContext, int dwReserved) {
return IE.INET_E_DEFAULT_ACTION;
}
int SetZoneMapping(int dwZone, long /*int*/ lpszPattern, int dwFlags) {
return IE.INET_E_DEFAULT_ACTION;
}
int GetZoneMappings(int dwZone, long /*int*/ ppenumString, int dwFlags) {
return COM.E_NOTIMPL;
}
/* IOleCommandTarget */
int QueryStatus(long /*int*/ pguidCmdGroup, int cCmds, long /*int*/ prgCmds, long /*int*/ pCmdText) {
return COM.E_NOTSUPPORTED;
}
int Exec(long /*int*/ pguidCmdGroup, int nCmdID, int nCmdExecOpt, long /*int*/ pvaIn, long /*int*/ pvaOut) {
if (pguidCmdGroup != 0) {
GUID guid = new GUID();
COM.MoveMemory(guid, pguidCmdGroup, GUID.sizeof);
/*
* If a javascript error occurred then suppress IE's default script error dialog.
*/
if (COM.IsEqualGUID(guid, COM.CGID_DocHostCommandHandler)) {
if (nCmdID == OLECMDID_SHOWSCRIPTERROR) return COM.S_OK;
}
/*
* Bug in Internet Explorer. OnToolBar TRUE is also fired when any of the
* address bar or menu bar are requested but not the tool bar. A workaround
* has been posted by a Microsoft developer on the public webbrowser_ctl
* newsgroup. The workaround is to implement the IOleCommandTarget interface
* to test the argument of an undocumented command.
*/
if (nCmdID == 1 && COM.IsEqualGUID(guid, COM.CGID_Explorer) && ((nCmdExecOpt & 0xFFFF) == 0xA)) {
IE browser = (IE)((Browser)getParent().getParent()).webBrowser;
browser.toolBar = (nCmdExecOpt & 0xFFFF0000) != 0;
}
}
return COM.E_NOTSUPPORTED;
}
/* IAuthenticate */
int Authenticate (long /*int*/ hwnd, long /*int*/ szUsername, long /*int*/ szPassword) {
IE browser = (IE)((Browser)getParent ().getParent ()).webBrowser;
for (int i = 0; i < browser.authenticationListeners.length; i++) {
AuthenticationEvent event = new AuthenticationEvent (browser.browser);
event.location = browser.lastNavigateURL;
browser.authenticationListeners[i].authenticate (event);
if (!event.doit) return COM.E_ACCESSDENIED;
if (event.user != null && event.password != null) {
TCHAR user = new TCHAR (0, event.user, true);
int size = user.length () * TCHAR.sizeof;
long /*int*/ userPtr = COM.CoTaskMemAlloc (size);
OS.MoveMemory (userPtr, user, size);
TCHAR password = new TCHAR (0, event.password, true);
size = password.length () * TCHAR.sizeof;
long /*int*/ passwordPtr = COM.CoTaskMemAlloc (size);
OS.MoveMemory (passwordPtr, password, size);
C.memmove (hwnd, new long /*int*/[] {0}, C.PTR_SIZEOF);
C.memmove (szUsername, new long /*int*/[] {userPtr}, C.PTR_SIZEOF);
C.memmove (szPassword, new long /*int*/[] {passwordPtr}, C.PTR_SIZEOF);
return COM.S_OK;
}
}
/* no listener handled the challenge, so defer to the native dialog */
C.memmove (hwnd, new long /*int*/[] {getShell().handle}, C.PTR_SIZEOF);
return COM.S_OK;
}
/* IDispatch */
int GetTypeInfoCount (long /*int*/ pctinfo) {
C.memmove (pctinfo, new int[] {0}, 4);
return COM.S_OK;
}
int GetTypeInfo (int iTInfo, int lcid, long /*int*/ ppTInfo) {
return COM.S_OK;
}
int GetIDsOfNames (int riid, long /*int*/ rgszNames, int cNames, int lcid, long /*int*/ rgDispId) {
long /*int*/[] ptr = new long /*int*/[1];
OS.MoveMemory (ptr, rgszNames, C.PTR_SIZEOF);
int length = OS.wcslen (ptr[0]);
char[] buffer = new char[length];
OS.MoveMemory (buffer, ptr[0], length * 2);
String functionName = String.valueOf (buffer);
int result = COM.S_OK;
int[] ids = new int[cNames]; /* DISPIDs */
if (functionName.equals ("callJava")) { //$NON-NLS-1$
for (int i = 0; i < cNames; i++) {
ids[i] = i + 1;
}
} else {
result = COM.DISP_E_UNKNOWNNAME;
for (int i = 0; i < cNames; i++) {
ids[i] = COM.DISPID_UNKNOWN;
}
}
OS.MoveMemory (rgDispId, ids, cNames * 4);
return result;
}
int Invoke (int dispIdMember, long /*int*/ riid, int lcid, int dwFlags, long /*int*/ pDispParams, long /*int*/ pVarResult, long /*int*/ pExcepInfo, long /*int*/ pArgErr) {
IE ie = (IE)((Browser)getParent ().getParent ()).webBrowser;
Hashtable functions = ie.functions;
if (functions == null) {
if (pVarResult != 0) {
COM.MoveMemory (pVarResult, new long /*int*/[] {0}, C.PTR_SIZEOF);
}
return COM.S_OK;
}
DISPPARAMS dispParams = new DISPPARAMS ();
COM.MoveMemory (dispParams, pDispParams, DISPPARAMS.sizeof);
if (dispParams.cArgs != 3) {
if (pVarResult != 0) {
COM.MoveMemory (pVarResult, new long /*int*/[] {0}, C.PTR_SIZEOF);
}
return COM.S_OK;
}
long /*int*/ ptr = dispParams.rgvarg + 2 * Variant.sizeof;
Variant variant = Variant.win32_new (ptr);
if (variant.getType () != COM.VT_I4) {
variant.dispose ();
if (pVarResult != 0) {
COM.MoveMemory (pVarResult, new long /*int*/[] {0}, C.PTR_SIZEOF);
}
return COM.S_OK;
}
int index = variant.getInt ();
variant.dispose ();
if (index <= 0) {
if (pVarResult != 0) {
COM.MoveMemory (pVarResult, new long /*int*/[] {0}, C.PTR_SIZEOF);
}
return COM.S_OK;
}
ptr = dispParams.rgvarg + Variant.sizeof;
variant = Variant.win32_new (ptr);
int type = variant.getType ();
if (type != COM.VT_BSTR) {
variant.dispose ();
if (pVarResult != 0) {
COM.MoveMemory (pVarResult, new long /*int*/[] {0}, C.PTR_SIZEOF);
}
return COM.S_OK;
}
String token = variant.getString ();
variant.dispose ();
variant = Variant.win32_new (dispParams.rgvarg);
Object key = new Integer (index);
BrowserFunction function = (BrowserFunction)functions.get (key);
Object returnValue = null;
if (function != null && token.equals (function.token)) {
try {
Object temp = convertToJava (variant);
if (temp instanceof Object[]) {
Object[] args = (Object[])temp;
try {
returnValue = function.function (args);
} catch (Exception e) {
/* exception during function invocation */
returnValue = WebBrowser.CreateErrorString (e.getLocalizedMessage ());
}
}
} catch (IllegalArgumentException e) {
/* invalid argument value type */
if (function.isEvaluate) {
/* notify the function so that a java exception can be thrown */
function.function (new String[] {WebBrowser.CreateErrorString (new SWTException (SWT.ERROR_INVALID_RETURN_VALUE).getLocalizedMessage ())});
}
returnValue = WebBrowser.CreateErrorString (e.getLocalizedMessage ());
}
}
variant.dispose ();
if (pVarResult != 0) {
try {
variant = convertToJS (returnValue);
} catch (SWTException e) {
/* invalid return value type */
variant = convertToJS (WebBrowser.CreateErrorString (e.getLocalizedMessage ()));
}
Variant.win32_copy (pVarResult, variant);
variant.dispose ();
}
return COM.S_OK;
}
Object convertToJava (Variant variant) {
switch (variant.getType ()) {
case OLE.VT_EMPTY:
case OLE.VT_NULL: return null;
case OLE.VT_BSTR: return variant.getString ();
case OLE.VT_BOOL: return new Boolean (variant.getBoolean ());
case OLE.VT_I2:
case OLE.VT_I4:
case OLE.VT_I8:
case OLE.VT_R4:
case OLE.VT_R8:
return new Double (variant.getDouble ());
case OLE.VT_DISPATCH: {
Object[] args = null;
OleAutomation auto = variant.getAutomation ();
TYPEATTR typeattr = auto.getTypeInfoAttributes ();
if (typeattr != null) {
GUID guid = new GUID ();
guid.Data1 = typeattr.guid_Data1;
guid.Data2 = typeattr.guid_Data2;
guid.Data3 = typeattr.guid_Data3;
guid.Data4 = typeattr.guid_Data4;
if (COM.IsEqualGUID (guid, COM.IIDIJScriptTypeInfo)) {
int[] rgdispid = auto.getIDsOfNames (new String[] {"length"}); //$NON-NLS-1$
if (rgdispid != null) {
Variant varLength = auto.getProperty (rgdispid[0]);
int length = varLength.getInt ();
varLength.dispose ();
args = new Object[length];
for (int i = 0; i < length; i++) {
rgdispid = auto.getIDsOfNames (new String[] {String.valueOf (i)});
if (rgdispid != null) {
Variant current = auto.getProperty (rgdispid[0]);
try {
args[i] = convertToJava (current);
current.dispose ();
} catch (IllegalArgumentException e) {
/* invalid argument value type */
current.dispose ();
auto.dispose ();
throw e;
}
}
}
}
} else {
auto.dispose ();
SWT.error (SWT.ERROR_INVALID_ARGUMENT);
}
}
auto.dispose ();
return args;
}
}
SWT.error (SWT.ERROR_INVALID_ARGUMENT);
return null;
}
Variant convertToJS (Object value) {
if (value == null) {
return Variant.NULL;
}
if (value instanceof String) {
return new Variant ((String)value);
}
if (value instanceof Boolean) {
return new Variant (((Boolean)value).booleanValue ());
}
if (value instanceof Number) {
return new Variant (((Number)value).doubleValue ());
}
if (value instanceof Object[]) {
/* get IHTMLDocument2 */
IE browser = (IE)((Browser)getParent ().getParent ()).webBrowser;
OleAutomation auto = browser.auto;
int[] rgdispid = auto.getIDsOfNames (new String[] {"Document"}); //$NON-NLS-1$
if (rgdispid == null) return new Variant ();
Variant pVarResult = auto.getProperty (rgdispid[0]);
if (pVarResult == null) return new Variant ();
if (pVarResult.getType () == COM.VT_EMPTY) {
pVarResult.dispose ();
return new Variant ();
}
OleAutomation document = pVarResult.getAutomation ();
pVarResult.dispose ();
/* get IHTMLWindow2 */
rgdispid = document.getIDsOfNames (new String[] {"parentWindow"}); //$NON-NLS-1$
if (rgdispid == null) {
document.dispose ();
return new Variant ();
}
pVarResult = document.getProperty (rgdispid[0]);
if (pVarResult == null || pVarResult.getType () == COM.VT_EMPTY) {
if (pVarResult != null) pVarResult.dispose ();
document.dispose ();
return new Variant ();
}
OleAutomation ihtmlWindow2 = pVarResult.getAutomation ();
pVarResult.dispose ();
document.dispose ();
/* create a new JS array to be returned */
rgdispid = ihtmlWindow2.getIDsOfNames (new String[] {"Array"}); //$NON-NLS-1$
if (rgdispid == null) {
ihtmlWindow2.dispose ();
return new Variant ();
}
Variant arrayType = ihtmlWindow2.getProperty (rgdispid[0]);
ihtmlWindow2.dispose ();
IDispatch arrayTypeDispatch = arrayType.getDispatch ();
long /*int*/[] result = new long /*int*/[1];
int rc = arrayTypeDispatch.QueryInterface (COM.IIDIDispatchEx, result);
arrayType.dispose ();
if (rc != COM.S_OK) return new Variant ();
IDispatchEx arrayTypeDispatchEx = new IDispatchEx (result[0]);
result[0] = 0;
long /*int*/ resultPtr = OS.GlobalAlloc (OS.GMEM_FIXED | OS.GMEM_ZEROINIT, VARIANT.sizeof);
DISPPARAMS params = new DISPPARAMS ();
rc = arrayTypeDispatchEx.InvokeEx (COM.DISPID_VALUE, COM.LOCALE_USER_DEFAULT, COM.DISPATCH_CONSTRUCT, params, resultPtr, null, 0);
if (rc != COM.S_OK) {
OS.GlobalFree (resultPtr);
return new Variant ();
}
Variant array = Variant.win32_new (resultPtr);
OS.GlobalFree (resultPtr);
/* populate the array */
Object[] arrayValue = (Object[])value;
int length = arrayValue.length;
auto = array.getAutomation ();
int[] rgdispids = auto.getIDsOfNames (new String[] {"push"}); //$NON-NLS-1$
if (rgdispids != null) {
for (int i = 0; i < length; i++) {
Object currentObject = arrayValue[i];
try {
Variant variant = convertToJS (currentObject);
auto.invoke (rgdispids[0], new Variant[] {variant});
variant.dispose ();
} catch (SWTException e) {
/* invalid return value type */
auto.dispose ();
array.dispose ();
throw e;
}
}
}
auto.dispose ();
return array;
}
SWT.error (SWT.ERROR_INVALID_RETURN_VALUE);
return null;
}
}