Framelet Prototype 2016 using Mojo IPC

third_party/WebKit/Source/core/frame/Framelet.h

+// 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 Framelet_h
+#define Framelet_h
+
+#include "core/CoreExport.h"
+#include "platform/heap/Handle.h"
+#include "public/platform/WebFocusType.h"
+#include "wtf/RefCounted.h"
+
+namespace blink {
+
+class Event;
+class IntRect;
+class FrameletClient;
+class FrameletView;
+class FrameOwner;
+class LayoutPart;
+class WebLayer;
+
+class CORE_EXPORT Framelet : public RefCountedWillBeGarbageCollectedFinalized<Framelet> {
+public:
+    static PassRefPtrWillBeRawPtr<Framelet> create(FrameletClient*, FrameOwner*);
+
+    virtual ~Framelet();
+
+    DECLARE_VIRTUAL_TRACE();
+
+    void didAttach();
+    void didDetach();
+
+    // FIXME: Remove this method once we have input routing in the browser
+    // process. See http://crbug.com/339659.
+    void forwardInputEvent(Event*);
+
+    void frameRectsChanged(const IntRect& frameRect);
+
+    void setRemotePlatformLayer(WebLayer*);
+    WebLayer* remotePlatformLayer() const;
+
+    void updateFocus(bool, WebFocusType);
+
+    void updateVisibility(bool);
+
+    void setView(PassRefPtrWillBeRawPtr<FrameletView>);
+    void createView();
+
+    FrameletClient* client() const;
+
+    FrameOwner* owner() const;
+    void setOwner(FrameOwner* owner) { m_owner = owner; }
+
+    LayoutPart* ownerLayoutObject() const; // LayoutObject for the element that contains this frame.
+
+    FrameletView* view() const;
+
+private:
+    Framelet(FrameletClient*, FrameOwner*);
+
+    RawPtrWillBeMember<FrameletClient> m_client;
+    RawPtrWillBeMember<FrameOwner> m_owner;
+    RefPtrWillBeMember<FrameletView> m_view;
+};
+
+inline FrameletClient* Framelet::client() const
+{
+    return m_client;
+}
+
+inline FrameOwner* Framelet::owner() const
+{
+    return m_owner;
+}
+
+inline FrameletView* Framelet::view() const
+{
+    return m_view.get();
+}
+
+} // namespace blink
+
+#endif // Framelet_h