src/mojo/examples/surfaces_app/child_impl.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 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
  20 namespace cc {
  21 class CompositorFrame;
  22 }
  23
  24 namespace mojo {
  25
  26 class ApplicationConnection;
  27
  28 namespace surfaces {
  29 class Surface;
  30 }
  31
  32 namespace examples {
  33
  34 // Simple example of a child app using surfaces.
  35 class 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_