Source code

Revision control

Other Tools

/* 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 mozilla_widget_RemotePlugin_h__
#define mozilla_widget_RemotePlugin_h__
#ifndef XP_WIN
# error "Plugin widgets are Windows-only."
#endif
#include "PuppetWidget.h"
#include "mozilla/dom/BrowserChild.h"
/*
* PluginWidgetProxy is a nsIWidget wrapper we hand around in plugin and layout
* code. It wraps a native widget it creates in the chrome process. Since this
* is for plugins, only a limited set of the widget apis need to be overridden,
* the rest of the implementation is in PuppetWidget or nsBaseWidget.
*/
namespace mozilla {
namespace plugins {
class PluginWidgetChild;
} // namespace plugins
namespace widget {
class PluginWidgetProxy final : public PuppetWidget {
public:
explicit PluginWidgetProxy(dom::BrowserChild* aBrowserChild,
mozilla::plugins::PluginWidgetChild* aChannel);
protected:
virtual ~PluginWidgetProxy();
public:
NS_DECL_ISUPPORTS_INHERITED
// nsIWidget
using PuppetWidget::Create; // for Create signature not overridden here
[[nodiscard]] virtual nsresult Create(
nsIWidget* aParent, nsNativeWidget aNativeParent,
const LayoutDeviceIntRect& aRect,
nsWidgetInitData* aInitData = nullptr) override;
virtual void Destroy() override;
virtual void SetFocus(Raise, mozilla::dom::CallerType aCallerType) override;
virtual void SetParent(nsIWidget* aNewParent) override;
virtual nsIWidget* GetParent(void) override;
virtual void* GetNativeData(uint32_t aDataType) override;
void SetNativeData(uint32_t aDataType, uintptr_t aVal) override;
virtual nsTransparencyMode GetTransparencyMode() override {
return eTransparencyOpaque;
}
virtual void GetWindowClipRegion(
nsTArray<LayoutDeviceIntRect>* aRects) override;
public:
/**
* When tabs are closed PPluginWidget can terminate before plugin code is
* finished tearing us down. When this happens plugin calls over mActor
* fail triggering an abort in the content process. To protect against this
* the connection tells us when it is torn down here so we can avoid making
* calls while content finishes tearing us down.
*/
void ChannelDestroyed() { mActor = nullptr; }
private:
// Our connection with the chrome widget, created on PBrowser.
mozilla::plugins::PluginWidgetChild* mActor;
// PuppetWidget does not implement parent apis, but we need
// them for plugin widgets.
nsCOMPtr<nsIWidget> mParent;
uintptr_t mCachedPluginPort;
};
} // namespace widget
} // namespace mozilla
#endif