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
12namespace blink {
13
14class RemoteFrame;
15
16class RemoteFrameView : public Widget {
17public:
18    static PassRefPtr<RemoteFrameView> create(RemoteFrame*);
19
20    virtual ~RemoteFrameView();
21
22    virtual bool isRemoteFrameView() const OVERRIDE { return true; }
23
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
37private:
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
46DEFINE_TYPE_CASTS(RemoteFrameView, Widget, widget, widget->isRemoteFrameView(), widget.isRemoteFrameView());
47
48} // namespace blink
49
50#endif // RemoteFrameView_h
51