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85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public License
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Version 1.0 (the "License"); you may not use this file except in
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compliance with the License. You may obtain a copy of the License at
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http://www.mozilla.org/NPL/
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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for the specific language governing rights and limitations under the License.
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The Original Code is Mozilla Communicator client code, released March 31, 1998.
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The Initial Developer of the Original Code is Netscape Communications Corporation.
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Portions created by Netscape are Copyright (C) 1998 Netscape Communications Corporation.
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All Rights Reserved.
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*/
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#include "nsIDefaultBrowser.h"
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#include "stdafx.h"
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#include "dialog.h"
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class nsWinDefaultBrowser;
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static nsWinDefaultBrowser *pSingleton = NULL;
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// Implementation of the abstract (XP) "default browser" interface for Windows.
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class nsWinDefaultBrowser : public nsIDefaultBrowser {
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NS_DECL_ISUPPORTS
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public:
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// Functions to be implemented in this class.
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NS_IMETHOD_(PRBool) IsDefaultBrowser();
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NS_IMETHOD_(int) DisplayDialog();
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private:
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// Constructor (private; use nsIDefaultBrowser::GetInterface).
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nsWinDefaultBrowser();
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// Destructor clears singleton pointer.
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virtual ~nsWinDefaultBrowser() {
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pSingleton = NULL;
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}
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friend class nsIDefaultBrowser;
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};
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// Standard implementation of AddRef/Release/QueryInterface.
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NS_IMPL_ISUPPORTS( nsWinDefaultBrowser, NS_IDEFAULTBROWSER_IID );
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// Minimal ctor.
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nsWinDefaultBrowser::nsWinDefaultBrowser() {
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NS_INIT_REFCNT();
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}
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/* nsWinDefaultBrowser::IsDefaultBrowser
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*
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* For now, use old logic.
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*/
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PRBool nsWinDefaultBrowser::IsDefaultBrowser() {
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PRBool result = !theApp.m_OwnedAndLostList.NonemptyLostIgnoredIntersection();
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return result;
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}
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/* nsWinDefaultBrowser::DisplayDialog
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*
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* Display dialog and return the user response.
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*/
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int nsWinDefaultBrowser::DisplayDialog() {
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CDefaultBrowserDlg dialog;
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int result = dialog.DoModal();
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return result;
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}
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nsIDefaultBrowser *nsIDefaultBrowser::GetInterface() {
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// If singleton hasn't been created, do it now.
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if ( !pSingleton ) {
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pSingleton = new nsWinDefaultBrowser;
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}
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pSingleton->AddRef();
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return pSingleton;
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}
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