cc/surfaces/surface.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 CC_SURFACES_SURFACE_H_
   6 #define CC_SURFACES_SURFACE_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "cc/surfaces/surfaces_export.h"
  11 #include "ui/gfx/size.h"
  12
  13 namespace cc {
  14 class CompositorFrame;
  15 class SurfaceManager;
  16 class SurfaceClient;
  17
  18 class CC_SURFACES_EXPORT Surface {
  19  public:
  20   Surface(SurfaceManager* manager,
  21           SurfaceClient* client,
  22           const gfx::Size& size);
  23   ~Surface();
  24
  25   const gfx::Size& size() const { return size_; }
  26   int surface_id() const { return surface_id_; }
  27
  28   void QueueFrame(scoped_ptr<CompositorFrame> frame);
  29   // Returns the most recent frame that is eligible to be rendered.
  30   CompositorFrame* GetEligibleFrame();
  31
  32  private:
  33   SurfaceManager* manager_;
  34   SurfaceClient* client_;
  35   gfx::Size size_;
  36   int surface_id_;
  37   // TODO(jamesr): Support multiple frames in flight.
  38   scoped_ptr<CompositorFrame> current_frame_;
  39
  40   DISALLOW_COPY_AND_ASSIGN(Surface);
  41 };
  42
  43 }  // namespace cc
  44
  45 #endif  // CC_SURFACES_SURFACE_H_