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gecko-dev/embedding/browser/powerplant/source/CBrowserWindow.cp

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/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Mozilla browser.
*
* The Initial Developer of the Original Code is Netscape
* Communications, Inc. Portions created by Netscape are
* Copyright (C) 1999, Mozilla. All Rights Reserved.
*
* Contributor(s):
* Conrad Carlen <conrad@ingress.com>
*/
#include "nsString.h"
#include "nsReadableUtils.h"
#include "nsWidgetsCID.h"
#include "nsIComponentManager.h"
#include "nsComponentManagerUtils.h"
#include "nsIServiceManager.h"
#include "nsIChannel.h"
#include "nsIURI.h"
#include "nsXPIDLString.h"
#include "nsIContentViewer.h"
#include "nsIMarkupDocumentViewer.h"
#include "nsIDOMHTMLLinkElement.h"
#include "nsIDOMHTMLAnchorElement.h"
#include "CBrowserWindow.h"
#include "CBrowserShell.h"
#include "CWebBrowserChrome.h"
#include "CWebBrowserCMAttachment.h"
#include "CThrobber.h"
#include "ApplIDs.h"
#include "UMacUnicode.h"
#include <LEditText.h>
#include <LStaticText.h>
#include <LWindowHeader.h>
#include <LBevelButton.h>
#include <LProgressBar.h>
#include <InternetConfig.h>
// CBrowserWindow:
// A simple browser window that hooks up a CWebShell to a minimal set of controls
// (Back, Forward and Stop buttons + URL field + status bar).
enum
{
paneID_BackButton = 'Back',
paneID_ForwardButton = 'Forw',
paneID_StopButton = 'Stop',
paneID_URLField = 'gUrl',
paneID_WebShellView = 'WebS',
paneID_StatusBar = 'Stat',
paneID_Throbber = 'THRB',
paneID_ProgressBar = 'Prog'
};
// CIDs
static NS_DEFINE_IID(kWindowCID, NS_WINDOW_CID);
// ---------------------------------------------------------------------------
// <09> CBrowserWindow Default Constructor [public]
// ---------------------------------------------------------------------------
CBrowserWindow::CBrowserWindow() :
mBrowserShell(NULL), mBrowserChrome(NULL),
mURLField(NULL), mStatusBar(NULL), mThrobber(NULL),
mBackButton(NULL), mForwardButton(NULL), mStopButton(NULL),
mProgressBar(NULL), mBusy(false),
mInitialLoadComplete(false), mShowOnInitialLoad(false),
mSizeToContent(true),
mContextMenuContext(nsIContextMenuListener::CONTEXT_NONE)
{
nsresult rv = CommonConstruct();
if (NS_FAILED(rv))
Throw_(NS_ERROR_GET_CODE(rv));
}
// ---------------------------------------------------------------------------
// <09> CBrowserWindow Parameterized Constructor [public]
// ---------------------------------------------------------------------------
CBrowserWindow::CBrowserWindow(LCommander* inSuperCommander,
const Rect& inGlobalBounds,
ConstStringPtr inTitle,
SInt16 inProcID,
UInt32 inAttributes,
WindowPtr inBehind) :
LWindow(inSuperCommander, inGlobalBounds, inTitle, inProcID, inAttributes, inBehind),
mBrowserShell(NULL), mBrowserChrome(NULL),
mURLField(NULL), mStatusBar(NULL), mThrobber(NULL),
mBackButton(NULL), mForwardButton(NULL), mStopButton(NULL),
mProgressBar(NULL), mBusy(false),
mInitialLoadComplete(false), mShowOnInitialLoad(false),
mSizeToContent(true),
mContextMenuContext(nsIContextMenuListener::CONTEXT_NONE)
{
nsresult rv = CommonConstruct();
if (NS_FAILED(rv))
Throw_(NS_ERROR_GET_CODE(rv));
}
// ---------------------------------------------------------------------------
// <09> CBrowserWindow Stream Constructor [public]
// ---------------------------------------------------------------------------
CBrowserWindow::CBrowserWindow(LStream* inStream) :
LWindow(inStream),
mBrowserShell(NULL), mBrowserChrome(NULL),
mURLField(NULL), mStatusBar(NULL), mThrobber(NULL),
mBackButton(NULL), mForwardButton(NULL), mStopButton(NULL),
mProgressBar(NULL), mBusy(false),
mInitialLoadComplete(false), mShowOnInitialLoad(false),
mSizeToContent(true),
mContextMenuContext(nsIContextMenuListener::CONTEXT_NONE)
{
nsresult rv = CommonConstruct();
if (NS_FAILED(rv))
Throw_(NS_ERROR_GET_CODE(rv));
}
// ---------------------------------------------------------------------------
// <09> ~CBrowserWindow Destructor [public]
// ---------------------------------------------------------------------------
CBrowserWindow::~CBrowserWindow()
{
if (mBrowserShell)
mBrowserShell->SetTopLevelWindow(nsnull);
if (mBrowserChrome)
{
mBrowserChrome->BrowserShell() = nsnull;
mBrowserChrome->BrowserWindow() = nsnull;
NS_RELEASE(mBrowserChrome);
}
}
CBrowserWindow* CBrowserWindow::CreateWindow(PRUint32 chromeFlags, PRInt32 width, PRInt32 height)
{
const SInt16 kToolBarHeight = 34;
CBrowserWindow *theWindow;
if (chromeFlags == nsIWebBrowserChrome::CHROME_DEFAULT || chromeFlags == nsIWebBrowserChrome::CHROME_ALL)
{
theWindow = dynamic_cast<CBrowserWindow*>(LWindow::CreateWindow(wind_BrowserWindow, LCommander::GetTopCommander()));
ThrowIfNil_(theWindow);
}
else
{
// Bounds - Set to an arbitrary rect - we'll size it after all the subviews are in.
Rect globalBounds;
globalBounds.left = 4;
globalBounds.top = 42;
globalBounds.right = globalBounds.left + 600;
globalBounds.bottom = globalBounds.top + 400;
// ProcID and attributes
short windowDefProc;
UInt32 windowAttrs = (windAttr_Enabled | windAttr_Targetable);
if (chromeFlags & nsIWebBrowserChrome::CHROME_OPENAS_DIALOG)
{
windowAttrs |= windAttr_Modal;
if (chromeFlags & nsIWebBrowserChrome::CHROME_TITLEBAR)
{
windowDefProc = kWindowMovableModalDialogProc;
windowAttrs |= windAttr_TitleBar;
}
else
windowDefProc = kWindowModalDialogProc;
}
else
{
windowAttrs |= windAttr_Regular;
if (chromeFlags & nsIWebBrowserChrome::CHROME_WITH_SIZE)
{
windowDefProc = kWindowGrowDocumentProc;
windowAttrs |= windAttr_Resizable;
}
else
windowDefProc = kWindowDocumentProc;
if (chromeFlags & nsIWebBrowserChrome::CHROME_WINDOW_CLOSE)
windowAttrs |= windAttr_CloseBox;
}
theWindow = new CBrowserWindow(LCommander::GetTopCommander(), globalBounds, "\p", windowDefProc, windowAttrs, window_InFront);
ThrowIfNil_(theWindow);
theWindow->SetUserCon(wind_BrowserWindow);
SPaneInfo aPaneInfo;
SViewInfo aViewInfo;
aPaneInfo.paneID = paneID_WebShellView;
aPaneInfo.width = globalBounds.right - globalBounds.left;
aPaneInfo.height = globalBounds.bottom - globalBounds.top;
if (!(chromeFlags & nsIWebBrowserChrome::CHROME_OPENAS_DIALOG) && chromeFlags & nsIWebBrowserChrome::CHROME_WITH_SIZE)
aPaneInfo.height -= 15;
if (chromeFlags & nsIWebBrowserChrome::CHROME_TOOLBAR)
aPaneInfo.height -= kToolBarHeight;
aPaneInfo.visible = true;
aPaneInfo.enabled = true;
aPaneInfo.bindings.left = true;
aPaneInfo.bindings.top = true;
aPaneInfo.bindings.right = true;
aPaneInfo.bindings.bottom = true;
aPaneInfo.left = 0;
aPaneInfo.top = (chromeFlags & nsIWebBrowserChrome::CHROME_TOOLBAR) ? kToolBarHeight - 1 : 0;
aPaneInfo.userCon = 0;
aPaneInfo.superView = theWindow;
aViewInfo.imageSize.width = 0;
aViewInfo.imageSize.height = 0;
aViewInfo.scrollPos.h = aViewInfo.scrollPos.v = 0;
aViewInfo.scrollUnit.h = aViewInfo.scrollUnit.v = 1;
aViewInfo.reconcileOverhang = 0;
CBrowserShell *aShell = new CBrowserShell(aPaneInfo, aViewInfo);
ThrowIfNil_(aShell);
aShell->PutInside(theWindow, false);
// Now the window is constructed...
theWindow->FinishCreate();
}
Rect theBounds;
theWindow->GetGlobalBounds(theBounds);
if (width == -1)
width = theBounds.right - theBounds.left;
if (height == -1)
height = theBounds.bottom - theBounds.top;
theWindow->ResizeWindowTo(width, height);
return theWindow;
}
NS_IMETHODIMP CBrowserWindow::CommonConstruct()
{
nsresult rv;
// Make the base widget
mWindow = do_CreateInstance(kWindowCID, &rv);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
// Make our CWebBrowserChrome
mBrowserChrome = new CWebBrowserChrome;
NS_ENSURE_TRUE(mBrowserChrome, NS_ERROR_OUT_OF_MEMORY);
NS_ADDREF(mBrowserChrome);
mBrowserChrome->BrowserWindow() = this;
return NS_OK;
}
void CBrowserWindow::FinishCreate()
{
// Initialize the top level widget
// This needs to be done AFTER the subviews are constructed
// but BEFORE the subviews do FinishCreateSelf.
Rect portRect = GetMacPort()->portRect;
nsRect r(0, 0, portRect.right - portRect.left, portRect.bottom - portRect.top);
nsresult rv = mWindow->Create((nsNativeWidget)GetMacPort(), r, nsnull, nsnull, nsnull, nsnull, nsnull);
if (NS_FAILED(rv))
Throw_(NS_ERROR_GET_CODE(rv));
Inherited::FinishCreate();
}
// ---------------------------------------------------------------------------
// <09> FinishCreateSelf
// ---------------------------------------------------------------------------
void CBrowserWindow::FinishCreateSelf()
{
mBrowserShell = dynamic_cast<CBrowserShell*>(FindPaneByID(paneID_WebShellView));
ThrowIfNULL_(mBrowserShell); // Curtains if we don't have this
SetLatentSub(mBrowserShell);
// Tell our CBrowserShell about the chrome
mBrowserShell->SetTopLevelWindow(mBrowserChrome);
// Tell our chrome about the CBrowserShell
mBrowserChrome->BrowserShell() = mBrowserShell;
// Find our subviews - When we have a way of creating this
// window with various chrome flags, we may or may not have
// all of these subviews so don't fail if they don't exist
mURLField = dynamic_cast<LEditText*>(FindPaneByID(paneID_URLField));
mStatusBar = dynamic_cast<LStaticText*>(FindPaneByID(paneID_StatusBar));
mThrobber = dynamic_cast<CThrobber*>(FindPaneByID(paneID_Throbber));
mProgressBar = dynamic_cast<LProgressBar*>(FindPaneByID(paneID_ProgressBar));
if (mProgressBar)
mProgressBar->Hide();
mBackButton = dynamic_cast<LBevelButton*>(FindPaneByID(paneID_BackButton));
if (mBackButton)
mBackButton->Disable();
mForwardButton = dynamic_cast<LBevelButton*>(FindPaneByID(paneID_ForwardButton));
if (mForwardButton)
mForwardButton->Disable();
mStopButton = dynamic_cast<LBevelButton*>(FindPaneByID(paneID_StopButton));
if (mStopButton)
mStopButton->Disable();
UReanimator::LinkListenerToControls(this, this, mUserCon);
StartListening();
StartBroadcasting();
}
void CBrowserWindow::ResizeFrameBy(SInt16 inWidthDelta,
SInt16 inHeightDelta,
Boolean inRefresh)
{
// Resize the widget BEFORE subviews get resized
Rect portRect = GetMacPort()->portRect;
mWindow->Resize(portRect.right - portRect.left, portRect.bottom - portRect.top, inRefresh);
Inherited::ResizeFrameBy(inWidthDelta, inHeightDelta, inRefresh);
}
void CBrowserWindow::ShowSelf()
{
Inherited::ShowSelf();
mWindow->Show(PR_TRUE);
}
// ---------------------------------------------------------------------------
// <09> ListenToMessage
// ---------------------------------------------------------------------------
void CBrowserWindow::ListenToMessage(MessageT inMessage,
void* ioParam)
{
ProcessCommand(inMessage, ioParam);
}
// ---------------------------------------------------------------------------
// <09> ObeyCommand
// ---------------------------------------------------------------------------
Boolean CBrowserWindow::ObeyCommand(CommandT inCommand,
void *ioParam)
{
#pragma unused(ioParam)
Boolean cmdHandled = true;
switch (inCommand)
{
case cmd_OpenLinkInNewWindow:
{
nsresult rv;
// Get the URL from the link
ThrowIfNil_(mContextMenuDOMNode);
nsCOMPtr<nsIDOMHTMLAnchorElement> linkElement(do_QueryInterface(mContextMenuDOMNode, &rv));
ThrowIfError_(rv);
nsAutoString href;
rv = linkElement->GetHref(href);
ThrowIfError_(rv);
nsCAutoString urlSpec;
CopyUCS2toASCII(href, urlSpec);
// Send an AppleEvent to ourselves to open a new window with the given URL
// IMPORTANT: We need to make our target address using a ProcessSerialNumber
// from GetCurrentProcess. This will cause our AppleEvent to be handled from
// the event loop. Creating and showing a new window before the context menu
// click is done being processed is fatal. If we make the target address with a
// ProcessSerialNumber in which highLongOfPSN == 0 && lowLongOfPSN == kCurrentProcess,
// the event will be dispatched to us directly and we die.
OSErr err;
ProcessSerialNumber currProcess;
StAEDescriptor selfAddrDesc;
err = ::GetCurrentProcess(&currProcess);
ThrowIfOSErr_(err);
err = ::AECreateDesc(typeProcessSerialNumber, (Ptr) &currProcess,
sizeof(currProcess), selfAddrDesc);
ThrowIfOSErr_(err);
AppleEvent getURLEvent;
err = ::AECreateAppleEvent(kInternetEventClass, kAEGetURL,
selfAddrDesc,
kAutoGenerateReturnID,
kAnyTransactionID,
&getURLEvent);
ThrowIfOSErr_(err);
StAEDescriptor urlDesc(typeChar, urlSpec.GetBuffer(), urlSpec.Length());
err = ::AEPutParamDesc(&getURLEvent, keyDirectObject, urlDesc);
if (err) {
::AEDisposeDesc(&getURLEvent);
Throw_(err);
}
UAppleEventsMgr::SendAppleEvent(getURLEvent);
}
break;
case paneID_BackButton:
mBrowserShell->Back();
break;
case paneID_ForwardButton:
mBrowserShell->Forward();
break;
case paneID_StopButton:
mBrowserShell->Stop();
break;
case paneID_URLField:
{
SInt32 urlTextLen;
mURLField->GetText(nil, 0, &urlTextLen);
StPointerBlock urlTextPtr(urlTextLen, true, false);
mURLField->GetText(urlTextPtr.Get(), urlTextLen, &urlTextLen);
mBrowserShell->LoadURL(urlTextPtr.Get(), urlTextLen);
}
break;
default:
cmdHandled = false;
break;
}
if (!cmdHandled)
cmdHandled = LWindow::ObeyCommand(inCommand, ioParam);
return cmdHandled;
}
// ---------------------------------------------------------------------------
// <09> FindCommandStatus
// ---------------------------------------------------------------------------
// This function enables menu commands.
void
CBrowserWindow::FindCommandStatus(
PP_PowerPlant::CommandT inCommand,
Boolean &outEnabled,
Boolean &outUsesMark,
PP_PowerPlant::Char16 &outMark,
Str255 outName)
{
switch (inCommand)
{
case cmd_OpenLinkInNewWindow:
outEnabled = (mContextMenuContext & nsIContextMenuListener::CONTEXT_LINK) != 0;
break;
case cmd_Back:
outEnabled = mBrowserShell->CanGoBack();
break;
case cmd_Forward:
outEnabled = mBrowserShell->CanGoForward();
break;
case cmd_Stop:
outEnabled = mBusy;
break;
case cmd_Reload:
outEnabled = true;
break;
case cmd_ViewPageSource:
outEnabled = true;
break;
case cmd_ViewImage:
outEnabled = (mContextMenuContext & nsIContextMenuListener::CONTEXT_IMAGE) != 0;
break;
case cmd_CopyLinkLocation:
outEnabled = (mContextMenuContext & nsIContextMenuListener::CONTEXT_LINK) != 0;
break;
case cmd_CopyImageLocation:
outEnabled = (mContextMenuContext & nsIContextMenuListener::CONTEXT_IMAGE) != 0;
break;
default:
LWindow::FindCommandStatus(inCommand, outEnabled,
outUsesMark, outMark, outName);
break;
}
}
NS_METHOD CBrowserWindow::GetWidget(nsIWidget** aWidget)
{
NS_ENSURE_ARG_POINTER(aWidget);
*aWidget = mWindow;
NS_IF_ADDREF(*aWidget);
return NS_OK;
}
NS_METHOD CBrowserWindow::SizeToContent()
{
nsCOMPtr<nsIContentViewer> aContentViewer;
mBrowserShell->GetContentViewer(getter_AddRefs(aContentViewer));
NS_ENSURE_TRUE(aContentViewer, NS_ERROR_FAILURE);
nsCOMPtr<nsIMarkupDocumentViewer> markupViewer(do_QueryInterface(aContentViewer));
NS_ENSURE_TRUE(markupViewer, NS_ERROR_FAILURE);
NS_ENSURE_SUCCESS(markupViewer->SizeToContent(), NS_ERROR_FAILURE);
return NS_OK;
}
NS_METHOD CBrowserWindow::Stop()
{
return mBrowserShell->Stop();
}
//*****************************************************************************
//*** Chrome Interraction
//*****************************************************************************
NS_METHOD CBrowserWindow::SetStatus(const PRUnichar* aStatus)
{
if (mStatusBar)
{
nsCAutoString cStr;
CPlatformUCSConversion::GetInstance()->UCSToPlatform(nsLiteralString(aStatus), cStr);
mStatusBar->SetText(const_cast<char *>(cStr.GetBuffer()), cStr.Length());
}
return NS_OK;
}
NS_METHOD CBrowserWindow::SetLocation(const nsString& aLocation)
{
if (mURLField)
{
nsCAutoString cStr;
CPlatformUCSConversion::GetInstance()->UCSToPlatform(aLocation, cStr);
mURLField->SetText(const_cast<char *>(cStr.GetBuffer()), cStr.Length());
}
return NS_OK;
}
NS_METHOD CBrowserWindow::OnStatusNetStart(nsIWebProgress *progress, nsIRequest *request,
PRInt32 progressStateFlags, PRUint32 status)
{
if (mProgressBar) {
mProgressBar->Show();
mProgressBar->SetIndeterminateFlag(true, true);
}
if (mThrobber)
mThrobber->Start();
if (mStopButton)
mStopButton->Enable();
mBusy = true;
// Inform any other interested parties
// Actually, all of the above stuff should done through
// broadcasters and listeners. But for demo's sake this
// better shows what's happening.
LBroadcaster::BroadcastMessage(msg_OnStartLoadDocument, 0);
return NS_OK;
}
NS_METHOD CBrowserWindow::OnStatusNetStop(nsIWebProgress *progress, nsIRequest *request,
PRInt32 progressStateFlags, PRUint32 status)
{
if (mThrobber)
mThrobber->Stop();
if (mProgressBar) {
if (mProgressBar->IsIndeterminate())
mProgressBar->Stop();
mProgressBar->Hide();
}
// Enable back, forward, stop
if (mBackButton)
mBrowserShell->CanGoBack() ? mBackButton->Enable() : mBackButton->Disable();
if (mForwardButton)
mBrowserShell->CanGoForward() ? mForwardButton->Enable() : mForwardButton->Disable();
if (mStopButton)
mStopButton->Disable();
// If this is our first load, check to see if we need to be sized/shown.
if (!mInitialLoadComplete) {
if (mSizeToContent) {
SizeToContent();
mSizeToContent = false;
}
if (mShowOnInitialLoad) {
Show();
Select();
mShowOnInitialLoad = false;
}
mInitialLoadComplete = true;
}
mBusy = false;
// Inform any other interested parties
// Actually, all of the above stuff should done through
// broadcasters and listeners. But for demo's sake this
// better shows what's happening.
LBroadcaster::BroadcastMessage(msg_OnEndLoadDocument, 0);
return NS_OK;
}
NS_METHOD CBrowserWindow::OnProgressChange(nsIWebProgress *progress, nsIRequest *request,
PRInt32 curSelfProgress, PRInt32 maxSelfProgress,
PRInt32 curTotalProgress, PRInt32 maxTotalProgress)
{
if (mProgressBar) {
if (maxTotalProgress != -1 && mProgressBar->IsIndeterminate())
mProgressBar->SetIndeterminateFlag(false, false);
else if (maxTotalProgress == -1 && !mProgressBar->IsIndeterminate())
mProgressBar->SetIndeterminateFlag(true, true);
if (!mProgressBar->IsIndeterminate()) {
PRInt32 aMax = max(0, maxTotalProgress);
PRInt32 aVal = min(aMax, max(0, curTotalProgress));
mProgressBar->SetMaxValue(aMax);
mProgressBar->SetValue(aVal);
}
}
return NS_OK;
}
NS_METHOD CBrowserWindow::SetVisibility(PRBool aVisibility)
{
// If we are waiting for content to load in order to size ourself,
// defer making ourselves visible until the load completes.
if (aVisibility) {
if (!mSizeToContent || mInitialLoadComplete) {
Show();
Select();
}
else
mShowOnInitialLoad = true;
}
else
Hide();
return NS_OK;
}
NS_METHOD CBrowserWindow::OnShowContextMenu(PRUint32 aContextFlags, nsIDOMEvent *aEvent, nsIDOMNode *aNode)
{
// Find our CWebBrowserCMAttachment, if any
CWebBrowserCMAttachment *aCMAttachment = nsnull;
const TArray<LAttachment*>* theAttachments = GetAttachmentsList();
if (theAttachments) {
TArrayIterator<LAttachment*> iterate(*theAttachments);
LAttachment* theAttach;
while (iterate.Next(theAttach)) {
aCMAttachment = dynamic_cast<CWebBrowserCMAttachment*>(theAttach);
if (aCMAttachment != nil)
break;
}
}
if (!aCMAttachment) {
NS_ASSERTION(PR_FALSE, "No CWebBrowserCMAttachment");
return NS_OK;
}
Boolean bHandleClick = true;
SInt16 cmdListResID;
if (aContextFlags & nsIContextMenuListener::CONTEXT_LINK) {
cmdListResID = mcmd_ContextLinkCmds;
}
else if (aContextFlags & nsIContextMenuListener::CONTEXT_IMAGE) {
cmdListResID = mcmd_ContextImageCmds;
}
else if (aContextFlags & nsIContextMenuListener::CONTEXT_DOCUMENT) {
cmdListResID = mcmd_ContextDocumentCmds;
}
else if (aContextFlags & nsIContextMenuListener::CONTEXT_TEXT) {
cmdListResID = mcmd_ContextTextCmds;
}
else {
bHandleClick = false;
mContextMenuContext = nsIContextMenuListener::CONTEXT_NONE;
mContextMenuDOMNode = nsnull;
}
if (bHandleClick) {
// Call OSEventAvail with an event mask of zero which will return a
// null event but will fill in the mouse location and modifier keys.
EventRecord macEvent;
::OSEventAvail(0, &macEvent);
mContextMenuContext = aContextFlags;
mContextMenuDOMNode = aNode;
aCMAttachment->SetCommandList(cmdListResID);
aCMAttachment->DoContextMenuClick(macEvent);
}
return NS_OK;
}
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