mirror of
https://github.com/mozilla/gecko-dev.git
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384 lines
10 KiB
C++
384 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Chak Nanga <chak@netscape.com>
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*/
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// File Overview....
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// This is the class which implements all the interfaces
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// required(and optional) by the mozilla embeddable browser engine
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//
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// Note that this obj gets passed in the IBrowserFrameGlue* using the
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// Init() method. Many of the interface implementations use this
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// to get the actual task done. Ex: to update the status bar
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//
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// Look at the INTERFACE_MAP_ENTRY's below for the list of
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// the currently implemented interfaces
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//
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// This file currently has the implementation for all the interfaces
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// which are required of an app embedding Gecko
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// Implementation of other optional interfaces are in separate files
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// to avoid cluttering this one and to demonstrate other embedding
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// principles. For example, nsIPrompt is implemented in a separate DLL.
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//
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// nsIWebBrowserChrome - This is a required interface to be implemented
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// by embeddors
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//
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// nsIEmbeddingSiteWindow - This is a required interface to be implemented
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// by embedders
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// - SetTitle() gets called after a document
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// load giving us the chance to update our
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// titlebar
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//
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// Some points to note...
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//
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// nsIWebBrowserChrome interface's SetStatus() gets called when a user
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// mouses over the links on a page
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//
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// nsIWebProgressListener interface's OnStatusChange() gets called
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// to indicate progress when a page is being loaded
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//
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// Next suggested file(s) to look at :
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// Any of the BrowserImpl*.cpp files for other interface
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// implementation details
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//
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#ifdef _WINDOWS
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#include "stdafx.h"
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#endif
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#include "nsIDOMWindow.h"
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#include "BrowserImpl.h"
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CBrowserImpl::CBrowserImpl()
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{
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NS_INIT_ISUPPORTS();
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m_pBrowserFrameGlue = NULL;
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mWebBrowser = nsnull;
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}
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CBrowserImpl::~CBrowserImpl()
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{
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}
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// It's very important that the creator of this CBrowserImpl object
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// Call on this Init() method with proper values after creation
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//
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NS_METHOD CBrowserImpl::Init(PBROWSERFRAMEGLUE pBrowserFrameGlue,
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nsIWebBrowser* aWebBrowser)
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{
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m_pBrowserFrameGlue = pBrowserFrameGlue;
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SetWebBrowser(aWebBrowser);
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return NS_OK;
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}
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//*****************************************************************************
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// CBrowserImpl::nsISupports
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//*****************************************************************************
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NS_IMPL_ADDREF(CBrowserImpl)
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NS_IMPL_RELEASE(CBrowserImpl)
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NS_INTERFACE_MAP_BEGIN(CBrowserImpl)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIWebBrowserChrome)
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NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
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NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChrome)
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NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChromeFocus)
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NS_INTERFACE_MAP_ENTRY(nsIEmbeddingSiteWindow)
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NS_INTERFACE_MAP_ENTRY(nsIWebProgressListener)
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NS_INTERFACE_MAP_ENTRY(nsIContextMenuListener)
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NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
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NS_INTERFACE_MAP_END
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//*****************************************************************************
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// CBrowserImpl::nsIInterfaceRequestor
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//*****************************************************************************
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NS_IMETHODIMP CBrowserImpl::GetInterface(const nsIID &aIID, void** aInstancePtr)
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{
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if(aIID.Equals(NS_GET_IID(nsIDOMWindow)))
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{
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if (mWebBrowser)
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return mWebBrowser->GetContentDOMWindow((nsIDOMWindow **) aInstancePtr);
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return NS_ERROR_NOT_INITIALIZED;
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}
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return QueryInterface(aIID, aInstancePtr);
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}
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//*****************************************************************************
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// CBrowserImpl::nsIWebBrowserChrome
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//*****************************************************************************
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//Gets called when you mouseover links etc. in a web page
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//
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NS_IMETHODIMP CBrowserImpl::SetStatus(PRUint32 aType, const PRUnichar* aStatus)
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{
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if(! m_pBrowserFrameGlue)
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return NS_ERROR_FAILURE;
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m_pBrowserFrameGlue->UpdateStatusBarText(aStatus);
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return NS_OK;
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}
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NS_IMETHODIMP CBrowserImpl::GetWebBrowser(nsIWebBrowser** aWebBrowser)
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{
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NS_ENSURE_ARG_POINTER(aWebBrowser);
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*aWebBrowser = mWebBrowser;
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NS_IF_ADDREF(*aWebBrowser);
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return NS_OK;
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}
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// Currently called from Init(). I'm not sure who else
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// calls this
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//
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NS_IMETHODIMP CBrowserImpl::SetWebBrowser(nsIWebBrowser* aWebBrowser)
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{
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NS_ENSURE_ARG_POINTER(aWebBrowser);
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mWebBrowser = aWebBrowser;
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return NS_OK;
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}
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NS_IMETHODIMP CBrowserImpl::GetChromeFlags(PRUint32* aChromeMask)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP CBrowserImpl::SetChromeFlags(PRUint32 aChromeMask)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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// Gets called in response to create a new browser window.
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// Ex: In response to a JavaScript Window.Open() call
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//
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//
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NS_IMETHODIMP CBrowserImpl::CreateBrowserWindow(PRUint32 chromeMask, PRInt32 aX, PRInt32 aY, PRInt32 aCX, PRInt32 aCY, nsIWebBrowser **aWebBrowser)
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{
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if(! m_pBrowserFrameGlue)
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return NS_ERROR_FAILURE;
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if(m_pBrowserFrameGlue->CreateNewBrowserFrame(chromeMask,
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aX, aY, aCX, aCY, aWebBrowser))
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return NS_OK;
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else
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return NS_ERROR_FAILURE;
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}
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// Will get called in response to JavaScript window.close()
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//
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NS_IMETHODIMP CBrowserImpl::DestroyBrowserWindow()
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{
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if(! m_pBrowserFrameGlue)
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return NS_ERROR_FAILURE;
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m_pBrowserFrameGlue->DestroyBrowserFrame();
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return NS_OK;
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}
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// Gets called in response to set the size of a window
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// Ex: In response to a JavaScript Window.Open() call of
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// the form
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//
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// window.open("http://www.mozilla.org", "theWin", "width=200, height=400");
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//
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// First the CreateBrowserWindow() call will be made followed by a
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// call to this method to resize the window
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//
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NS_IMETHODIMP CBrowserImpl::SizeBrowserTo(PRInt32 aCX, PRInt32 aCY)
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{
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if(! m_pBrowserFrameGlue)
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return NS_ERROR_FAILURE;
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HWND w = m_pBrowserFrameGlue->GetBrowserFrameNativeWnd();
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CRect rcNewFrame(CPoint(0, 0), CSize(aCX, aCY));
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CRect rcFrame;
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CRect rcClient;
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// Adjust for 3D edge on client area
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AdjustWindowRectEx(&rcNewFrame, WS_VISIBLE, FALSE, WS_EX_CLIENTEDGE);
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GetClientRect(w, &rcClient);
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GetWindowRect(w, &rcFrame);
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rcNewFrame.right += rcFrame.Width() - rcClient.Width();
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rcNewFrame.bottom += rcFrame.Height() - rcClient.Height();
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m_pBrowserFrameGlue->SetBrowserFrameSize(rcNewFrame.Width(), rcNewFrame.Height());
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return NS_OK;
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}
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NS_IMETHODIMP CBrowserImpl::ShowAsModal(void)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP CBrowserImpl::IsWindowModal(PRBool *retval)
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{
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// We're not modal
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*retval = PR_FALSE;
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return NS_OK;
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}
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NS_IMETHODIMP CBrowserImpl::ExitModalEventLoop(nsresult aStatus)
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{
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return NS_OK;
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}
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//*****************************************************************************
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// CBrowserImpl::nsIWebBrowserChromeFocus
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//*****************************************************************************
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NS_IMETHODIMP CBrowserImpl::FocusNextElement()
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP CBrowserImpl::FocusPrevElement()
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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//*****************************************************************************
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// CBrowserImpl::nsIEmbeddingSiteWindow
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//*****************************************************************************
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NS_IMETHODIMP CBrowserImpl::SetDimensions(PRUint32 aFlags, PRInt32 x, PRInt32 y, PRInt32 cx, PRInt32 cy)
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{
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if(! m_pBrowserFrameGlue)
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return NS_ERROR_FAILURE;
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if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION &&
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(aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_INNER ||
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aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER))
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{
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m_pBrowserFrameGlue->SetBrowserFramePositionAndSize(x, y, cx, cy, PR_TRUE);
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}
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else
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{
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if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION)
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{
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m_pBrowserFrameGlue->SetBrowserFramePosition(x, y);
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}
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if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_INNER ||
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aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER)
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{
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m_pBrowserFrameGlue->SetBrowserFrameSize(cx, cy);
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP CBrowserImpl::GetDimensions(PRUint32 aFlags, PRInt32 *x, PRInt32 *y, PRInt32 *cx, PRInt32 *cy)
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{
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if(! m_pBrowserFrameGlue)
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return NS_ERROR_FAILURE;
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if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION)
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{
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m_pBrowserFrameGlue->GetBrowserFramePosition(x, y);
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}
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if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_INNER ||
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aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER)
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{
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m_pBrowserFrameGlue->GetBrowserFrameSize(cx, cy);
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}
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return NS_OK;
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}
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NS_IMETHODIMP CBrowserImpl::GetSiteWindow(void** aSiteWindow)
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{
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if (!aSiteWindow)
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return NS_ERROR_NULL_POINTER;
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*aSiteWindow = 0;
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if (m_pBrowserFrameGlue) {
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HWND w = m_pBrowserFrameGlue->GetBrowserFrameNativeWnd();
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*aSiteWindow = NS_REINTERPRET_CAST(void *, w);
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}
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return NS_OK;
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}
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NS_IMETHODIMP CBrowserImpl::SetFocus()
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{
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if(! m_pBrowserFrameGlue)
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return NS_ERROR_FAILURE;
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m_pBrowserFrameGlue->SetFocus();
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return NS_OK;
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}
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NS_IMETHODIMP CBrowserImpl::GetTitle(PRUnichar** aTitle)
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{
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if(! m_pBrowserFrameGlue)
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return NS_ERROR_FAILURE;
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m_pBrowserFrameGlue->GetBrowserFrameTitle(aTitle);
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return NS_OK;
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}
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NS_IMETHODIMP CBrowserImpl::SetTitle(const PRUnichar* aTitle)
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{
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if(! m_pBrowserFrameGlue)
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return NS_ERROR_FAILURE;
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m_pBrowserFrameGlue->SetBrowserFrameTitle(aTitle);
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return NS_OK;
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}
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NS_IMETHODIMP CBrowserImpl::GetVisibility(PRBool *aVisibility)
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{
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if(! m_pBrowserFrameGlue)
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return NS_ERROR_FAILURE;
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m_pBrowserFrameGlue->GetBrowserFrameVisibility(aVisibility);
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return NS_OK;
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}
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NS_IMETHODIMP CBrowserImpl::SetVisibility(PRBool aVisibility)
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{
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if(! m_pBrowserFrameGlue)
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return NS_ERROR_FAILURE;
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m_pBrowserFrameGlue->ShowBrowserFrame(aVisibility);
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return NS_OK;
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}
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