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