mirror of
https://github.com/mozilla/gecko-dev.git
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203 lines
4.1 KiB
C++
203 lines
4.1 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "factory.h"
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#include "globals.h"
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#include "ngprefs.h"
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/**
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* CNGLayoutPrefs
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*/
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class CNGLayoutPrefs: public INGLayoutPrefs {
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private:
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int m_ObjRefCount;
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public:
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CNGLayoutPrefs();
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~CNGLayoutPrefs();
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//IUnknown methods
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STDMETHOD (QueryInterface)(REFIID, LPVOID*);
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STDMETHOD_(DWORD, AddRef)();
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STDMETHOD_(DWORD, Release)();
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//INGLayoutPrefs
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STDMETHOD (Show)(HWND hwnd);
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};
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CNGLayoutPrefs::CNGLayoutPrefs()
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{
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m_ObjRefCount = 1;
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g_DllRefCount++;
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}
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CNGLayoutPrefs::~CNGLayoutPrefs()
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{
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g_DllRefCount--;
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}
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STDMETHODIMP CNGLayoutPrefs::QueryInterface(REFIID riid, LPVOID *ppReturn)
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{
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*ppReturn = NULL;
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//IUnknown
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if(IsEqualIID(riid, IID_IUnknown))
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{
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*ppReturn = this;
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}
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//INGLayoutPrefs
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else if(IsEqualIID(riid, IID_INGLayoutPrefs))
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{
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*ppReturn = (INGLayoutPrefs*)this;
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}
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if(*ppReturn)
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{
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(*(LPUNKNOWN*)ppReturn)->AddRef();
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(DWORD) CNGLayoutPrefs::AddRef()
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{
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return ++m_ObjRefCount;
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}
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STDMETHODIMP_(DWORD) CNGLayoutPrefs::Release()
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{
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if(--m_ObjRefCount == 0)
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{
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delete this;
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return 0;
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}
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return m_ObjRefCount;
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}
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STDMETHODIMP CNGLayoutPrefs::Show(HWND hwnd)
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{
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DisplayPreferences(hwnd);
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return S_OK;
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}
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/**
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* CNGLayoutPrefs
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*/
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CClassFactory::CClassFactory(CLSID clsid)
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{
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m_clsidObject = clsid;
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m_ObjRefCount = 1;
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g_DllRefCount++;
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}
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CClassFactory::~CClassFactory()
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{
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g_DllRefCount--;
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}
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STDMETHODIMP CClassFactory::QueryInterface(REFIID riid, LPVOID *ppReturn)
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{
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*ppReturn = NULL;
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if(IsEqualIID(riid, IID_IUnknown))
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{
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*ppReturn = this;
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}
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else if(IsEqualIID(riid, IID_IClassFactory))
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{
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*ppReturn = (IClassFactory*)this;
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}
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if(*ppReturn)
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{
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(*(LPUNKNOWN*)ppReturn)->AddRef();
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(DWORD) CClassFactory::AddRef()
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{
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return ++m_ObjRefCount;
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}
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STDMETHODIMP_(DWORD) CClassFactory::Release()
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{
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if(--m_ObjRefCount == 0)
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{
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delete this;
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return 0;
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}
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return m_ObjRefCount;
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}
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STDMETHODIMP CClassFactory::CreateInstance( LPUNKNOWN pUnknown,
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REFIID riid,
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LPVOID *ppObject)
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{
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HRESULT hResult = E_FAIL;
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LPVOID pTemp = NULL;
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*ppObject = NULL;
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if(pUnknown != NULL)
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return CLASS_E_NOAGGREGATION;
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//create the proper object
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if(IsEqualCLSID(m_clsidObject, CLSID_NGLayoutPrefs))
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{
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CNGLayoutPrefs *pPrefs = new CNGLayoutPrefs();
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if(NULL == pPrefs)
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return E_OUTOFMEMORY;
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pTemp = pPrefs;
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}
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if(pTemp)
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{
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//get the QueryInterface return for our return value
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hResult = ((LPUNKNOWN)pTemp)->QueryInterface(riid, ppObject);
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//call Release to decement the ref count
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((LPUNKNOWN)pTemp)->Release();
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}
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return hResult;
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}
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/**************************************************************************
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CClassFactory::LockServer
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**************************************************************************/
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STDMETHODIMP CClassFactory::LockServer(BOOL)
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{
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return E_NOTIMPL;
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}
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