mandoline/ui/aura/surface_binding.h

   1 // Copyright 2015 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 MANDOLINE_UI_AURA_SURFACE_BINDING_H_
   6 #define MANDOLINE_UI_AURA_SURFACE_BINDING_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/scoped_ptr.h"
  10
  11 namespace cc {
  12 class OutputSurface;
  13 }
  14
  15 namespace mojo {
  16 class Shell;
  17 }
  18
  19 namespace mus {
  20 class View;
  21 }
  22
  23 namespace mandoline {
  24
  25 // SurfaceBinding is responsible for managing the connections necessary to
  26 // bind a View to the surfaces service.
  27 // Internally SurfaceBinding manages one connection (and related structures) per
  28 // ViewTreeConnection. That is, all Views from a particular ViewTreeConnection
  29 // share the same connection.
  30 class SurfaceBinding {
  31  public:
  32   SurfaceBinding(mojo::Shell* shell, mus::View* view);
  33   ~SurfaceBinding();
  34
  35   // Creates an OutputSurface that renders to the View supplied to the
  36   // constructor.
  37   scoped_ptr<cc::OutputSurface> CreateOutputSurface();
  38
  39  private:
  40   class PerConnectionState;
  41
  42   mojo::Shell* shell_;
  43   mus::View* view_;
  44   scoped_refptr<PerConnectionState> state_;
  45
  46   DISALLOW_COPY_AND_ASSIGN(SurfaceBinding);
  47 };
  48
  49 }  // namespace mandoline
  50
  51 #endif  // MANDOLINE_UI_AURA_SURFACE_BINDING_H_