ui/gfx/ozone/surface_ozone_base.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 UI_GFX_OZONE_SURFACE_OZONE_BASE_H_
   6 #define UI_GFX_OZONE_SURFACE_OZONE_BASE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "skia/ext/refptr.h"
  11 #include "ui/gfx/gfx_export.h"
  12 #include "ui/gfx/ozone/surface_ozone.h"
  13
  14 namespace gfx {
  15
  16 // Base class for in-tree implementations of SurfaceOzone.
  17 //
  18 // This adds default implementations of all the methods in SurfaceOzone,
  19 // for use by in-tree subclasses.
  20 //
  21 // If an out-of-tree implementation inherits this, it is possible there
  22 // will be silent breakage instead of a compile time failure as a result
  23 // of changes to the interface.
  24 class GFX_EXPORT SurfaceOzoneBase : public SurfaceOzone {
  25  public:
  26   SurfaceOzoneBase();
  27   virtual ~SurfaceOzoneBase() OVERRIDE;
  28
  29   // SurfaceOzone:
  30   virtual bool InitializeEGL() OVERRIDE;
  31   virtual intptr_t /* EGLNativeWindowType */ GetEGLNativeWindow() OVERRIDE;
  32   virtual bool InitializeCanvas() OVERRIDE;
  33   virtual skia::RefPtr<SkCanvas> GetCanvas() OVERRIDE;
  34   virtual bool ResizeCanvas(const gfx::Size& viewport_size) OVERRIDE;
  35   virtual bool PresentCanvas() OVERRIDE;
  36   virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() OVERRIDE;
  37 };
  38
  39 }  // namespace gfx
  40
  41 #endif  // UI_GFX_OZONE_SURFACE_OZONE_BASE_H_