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82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef _nsPluginNativeWindow_h_
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#define _nsPluginNativeWindow_h_
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#include "nscore.h"
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#include "nsAutoPtr.h"
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#include "nsCOMPtr.h"
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#include "nsNPAPIPluginInstance.h"
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#include "npapi.h"
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#include "nsIWidget.h"
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#include "nsTraceRefcnt.h"
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/**
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* base class for native plugin window implementations
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*/
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class nsPluginNativeWindow : public NPWindow
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{
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public:
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nsPluginNativeWindow() : NPWindow() {
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MOZ_COUNT_CTOR(nsPluginNativeWindow);
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}
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virtual ~nsPluginNativeWindow() {
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MOZ_COUNT_DTOR(nsPluginNativeWindow);
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}
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/**
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* !!! CAUTION !!!
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*
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* The base class |nsPluginWindow| is defined as a struct in nsplugindefs.h,
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* thus it does not have a destructor of its own.
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* One should never attempt to delete |nsPluginNativeWindow| object instance
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* (or derivatives) using a pointer of |nsPluginWindow *| type. Should such
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* necessity occur it must be properly casted first.
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*/
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public:
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nsresult GetPluginInstance(nsRefPtr<nsNPAPIPluginInstance> &aPluginInstance) {
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aPluginInstance = mPluginInstance;
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return NS_OK;
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}
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nsresult SetPluginInstance(nsNPAPIPluginInstance *aPluginInstance) {
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if (mPluginInstance != aPluginInstance)
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mPluginInstance = aPluginInstance;
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return NS_OK;
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}
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nsresult GetPluginWidget(nsIWidget **aWidget) {
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NS_IF_ADDREF(*aWidget = mWidget);
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return NS_OK;
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}
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nsresult SetPluginWidget(nsIWidget *aWidget) {
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mWidget = aWidget;
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return NS_OK;
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}
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public:
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virtual nsresult CallSetWindow(nsRefPtr<nsNPAPIPluginInstance> &aPluginInstance) {
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// null aPluginInstance means that we want to call SetWindow(null)
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if (aPluginInstance)
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aPluginInstance->SetWindow(this);
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else if (mPluginInstance)
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mPluginInstance->SetWindow(nsnull);
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SetPluginInstance(aPluginInstance);
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return NS_OK;
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}
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protected:
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nsRefPtr<nsNPAPIPluginInstance> mPluginInstance;
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nsCOMPtr<nsIWidget> mWidget;
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};
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nsresult PLUG_NewPluginNativeWindow(nsPluginNativeWindow ** aPluginNativeWindow);
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nsresult PLUG_DeletePluginNativeWindow(nsPluginNativeWindow * aPluginNativeWindow);
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#endif //_nsPluginNativeWindow_h_
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