1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef RemoteFrameView_h 6 #define RemoteFrameView_h 7 8 #include "platform/Widget.h" 9 #include "platform/geometry/IntRect.h" 10 #include "platform/heap/Handle.h" 11 12 namespace blink { 13 14 class RemoteFrame; 15 16 class RemoteFrameView : public Widget { 17 public: 18 static PassRefPtr<RemoteFrameView> create(RemoteFrame*); 19 20 virtual ~RemoteFrameView(); 21 isRemoteFrameView()22 virtual bool isRemoteFrameView() const OVERRIDE { return true; } 23 frame()24 RemoteFrame& frame() const 25 { 26 ASSERT(m_remoteFrame); 27 return *m_remoteFrame; 28 } 29 30 // Override to notify remote frame that its viewport size has changed. 31 virtual void frameRectsChanged() OVERRIDE; 32 33 virtual void invalidateRect(const IntRect&) OVERRIDE; 34 35 virtual void setFrameRect(const IntRect&) OVERRIDE; 36 37 private: 38 explicit RemoteFrameView(RemoteFrame*); 39 40 // The RefPtrWillBePersistent-cycle between RemoteFrame and its RemoteFrameView 41 // is broken in the same manner as FrameView::m_frame and LocalFrame::m_view is. 42 // See the FrameView::m_frame comment. 43 RefPtrWillBePersistent<RemoteFrame> m_remoteFrame; 44 }; 45 46 DEFINE_TYPE_CASTS(RemoteFrameView, Widget, widget, widget->isRemoteFrameView(), widget.isRemoteFrameView()); 47 48 } // namespace blink 49 50 #endif // RemoteFrameView_h 51