components/mus/server_view_delegate.h

   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 COMPONENTS_MUS_SERVER_VIEW_DELEGATE_H_
   6 #define COMPONENTS_MUS_SERVER_VIEW_DELEGATE_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "components/mus/public/interfaces/compositor_frame.mojom.h"
  10 #include "components/mus/public/interfaces/mus_constants.mojom.h"
  11
  12 namespace cc {
  13 class CompositorFrame;
  14 }
  15
  16 namespace mus {
  17
  18 class ServerView;
  19 class SurfacesState;
  20
  21 class ServerViewDelegate {
  22  public:
  23   virtual scoped_ptr<cc::CompositorFrame> UpdateViewTreeFromCompositorFrame(
  24       const mojo::CompositorFramePtr& input) = 0;
  25
  26   virtual SurfacesState* GetSurfacesState() = 0;
  27
  28   virtual void OnScheduleViewPaint(const ServerView* view) = 0;
  29
  30   // Returns the root of the view tree to which this |view| is attached. Returns
  31   // null if this view is not attached up through to a root view.
  32   virtual const ServerView* GetRootView(const ServerView* view) const = 0;
  33
  34  protected:
  35   virtual ~ServerViewDelegate() {}
  36 };
  37
  38 }  // namespace mus
  39
  40 #endif  // COMPONENTS_MUS_SERVER_VIEW_DELEGATE_H_