Index: Source/modules/presentation/PresentationController.h |
diff --git a/Source/modules/presentation/PresentationController.h b/Source/modules/presentation/PresentationController.h |
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+++ b/Source/modules/presentation/PresentationController.h |
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+// Copyright 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef PresentationController_h |
+#define PresentationController_h |
+ |
+#include "core/frame/FrameDestructionObserver.h" |
+#include "modules/presentation/Presentation.h" |
+#include "platform/Supplementable.h" |
+#include "platform/heap/Handle.h" |
+#include "public/platform/WebPresentationController.h" |
+ |
+namespace blink { |
+ |
+class LocalFrame; |
+class WebPresentationClient; |
+ |
+// The coordinator between the various page exposed properties and the content |
+// layer represented via |WebPresentationClient|. |
+class PresentationController final |
+ : public NoBaseWillBeGarbageCollectedFinalized<PresentationController> |
+ , public WillBeHeapSupplement<LocalFrame> |
+ , public FrameDestructionObserver |
+ , public WebPresentationController { |
+ WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(PresentationController); |
+ WTF_MAKE_NONCOPYABLE(PresentationController); |
+public: |
+ virtual ~PresentationController(); |
+ |
+ static PassOwnPtrWillBeRawPtr<PresentationController> create(LocalFrame&, WebPresentationClient*); |
+ |
+ static const char* supplementName(); |
+ static PresentationController* from(LocalFrame&); |
+ |
+ static void provideTo(LocalFrame&, WebPresentationClient*); |
+ |
+ // Implementation of HeapSupplement. |
+ virtual void trace(Visitor*) override; |
+ |
+ // Implementation of WebPresentationController. |
+ virtual void didChangeAvailability(bool available) override; |
+ virtual bool isAvailableChangeWatched() const override; |
+ virtual void onClientDestroyed() override; |
+ |
+ // Called when the first listener was added to or the last listener was removed from the |
+ // |availablechange| event. |
+ void updateAvailableChangeWatched(bool watched); |
+ |
+ // Connects the |Presentation| object with this controller. |
+ void setPresentation(Presentation*); |
+ |
+private: |
+ PresentationController(LocalFrame&, WebPresentationClient*); |
+ |
+ // Implementation of FrameDestructionObserver. |
+ virtual void willDetachFrameHost() override; |
+ |
+ WebPresentationClient* m_client; |
+ PersistentWillBeMember<Presentation> m_presentation; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // PresentationController_h |