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 MOJO_EXAMPLES_SURFACES_APP_CHILD_IMPL_H_
6#define MOJO_EXAMPLES_SURFACES_APP_CHILD_IMPL_H_
7
8#include "base/memory/scoped_ptr.h"
9#include "base/memory/weak_ptr.h"
10#include "cc/surfaces/surface_id.h"
11#include "cc/surfaces/surface_id_allocator.h"
12#include "mojo/examples/surfaces_app/child.mojom.h"
13#include "mojo/public/cpp/bindings/string.h"
14#include "mojo/services/public/interfaces/surfaces/surface_id.mojom.h"
15#include "mojo/services/public/interfaces/surfaces/surfaces.mojom.h"
16#include "mojo/services/public/interfaces/surfaces/surfaces_service.mojom.h"
17#include "third_party/skia/include/core/SkColor.h"
18#include "ui/gfx/size.h"
19
20namespace cc {
21class CompositorFrame;
22}
23
24namespace mojo {
25
26class ApplicationConnection;
27
28namespace surfaces {
29class Surface;
30}
31
32namespace examples {
33
34// Simple example of a child app using surfaces.
35class ChildImpl : public InterfaceImpl<Child>, public SurfaceClient {
36 public:
37  class Context {
38   public:
39    virtual ApplicationConnection* ShellConnection(
40        const mojo::String& application_url) = 0;
41  };
42  explicit ChildImpl(ApplicationConnection* surfaces_service_connection);
43  virtual ~ChildImpl();
44
45  // SurfaceClient implementation
46  virtual void ReturnResources(
47      Array<ReturnedResourcePtr> resources) OVERRIDE;
48
49 private:
50  // Child implementation.
51  virtual void ProduceFrame(
52      ColorPtr color,
53      SizePtr size,
54      const mojo::Callback<void(SurfaceIdPtr id)>& callback) OVERRIDE;
55
56  void SurfaceConnectionCreated(SurfacePtr surface, uint32_t id_namespace);
57  void Draw();
58
59  SkColor color_;
60  gfx::Size size_;
61  scoped_ptr<cc::SurfaceIdAllocator> allocator_;
62  SurfacesServicePtr surfaces_service_;
63  SurfacePtr surface_;
64  cc::SurfaceId id_;
65  mojo::Callback<void(SurfaceIdPtr id)> produce_callback_;
66  base::WeakPtrFactory<ChildImpl> weak_factory_;
67
68  DISALLOW_COPY_AND_ASSIGN(ChildImpl);
69};
70
71}  // namespace examples
72}  // namespace mojo
73
74#endif  // MOJO_EXAMPLES_SURFACES_APP_CHILD_IMPL_H_
75