michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef _nsPluginNativeWindow_h_
michael@0: #define _nsPluginNativeWindow_h_
michael@0: 
michael@0: #include "nscore.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsISupportsImpl.h"
michael@0: #include "nsNPAPIPluginInstance.h"
michael@0: #include "npapi.h"
michael@0: #include "nsIWidget.h"
michael@0: 
michael@0: /**
michael@0:  * base class for native plugin window implementations
michael@0:  */
michael@0: class nsPluginNativeWindow : public NPWindow
michael@0: {
michael@0: public: 
michael@0:   nsPluginNativeWindow() : NPWindow() {
michael@0:     MOZ_COUNT_CTOR(nsPluginNativeWindow);
michael@0:   }
michael@0: 
michael@0:   virtual ~nsPluginNativeWindow() {
michael@0:     MOZ_COUNT_DTOR(nsPluginNativeWindow);
michael@0:   }
michael@0: 
michael@0:   /**
michael@0:    *   !!! CAUTION !!!
michael@0:    *
michael@0:    * The base class |nsPluginWindow| is defined as a struct in nsplugindefs.h,
michael@0:    * thus it does not have a destructor of its own.
michael@0:    * One should never attempt to delete |nsPluginNativeWindow| object instance
michael@0:    * (or derivatives) using a pointer of |nsPluginWindow *| type. Should such
michael@0:    * necessity occur it must be properly casted first.
michael@0:    */
michael@0: 
michael@0: public:
michael@0:   nsresult GetPluginInstance(nsRefPtr<nsNPAPIPluginInstance> &aPluginInstance) { 
michael@0:     aPluginInstance = mPluginInstance;
michael@0:     return NS_OK;
michael@0:   }
michael@0:   nsresult SetPluginInstance(nsNPAPIPluginInstance *aPluginInstance) { 
michael@0:     if (mPluginInstance != aPluginInstance)
michael@0:       mPluginInstance = aPluginInstance;
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   nsresult GetPluginWidget(nsIWidget **aWidget) {
michael@0:     NS_IF_ADDREF(*aWidget = mWidget);
michael@0:     return NS_OK;
michael@0:   }
michael@0:   nsresult SetPluginWidget(nsIWidget *aWidget) { 
michael@0:     mWidget = aWidget;
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0: public:
michael@0:   virtual nsresult CallSetWindow(nsRefPtr<nsNPAPIPluginInstance> &aPluginInstance) {
michael@0:     // null aPluginInstance means that we want to call SetWindow(null)
michael@0:     if (aPluginInstance)
michael@0:       aPluginInstance->SetWindow(this);
michael@0:     else if (mPluginInstance)
michael@0:       mPluginInstance->SetWindow(nullptr);
michael@0: 
michael@0:     SetPluginInstance(aPluginInstance);
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0: protected:
michael@0:   nsRefPtr<nsNPAPIPluginInstance> mPluginInstance;
michael@0:   nsCOMPtr<nsIWidget> mWidget;
michael@0: };
michael@0: 
michael@0: nsresult PLUG_NewPluginNativeWindow(nsPluginNativeWindow ** aPluginNativeWindow);
michael@0: nsresult PLUG_DeletePluginNativeWindow(nsPluginNativeWindow * aPluginNativeWindow);
michael@0: 
michael@0: #endif //_nsPluginNativeWindow_h_