mojo/examples/compositor_app/compositor_app.cc

   1 // Copyright 2013 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 #include <stdio.h>
   6 #include <string>
   7
   8 #include "base/macros.h"
   9 #include "mojo/examples/compositor_app/compositor_host.h"
  10 #include "mojo/public/c/system/main.h"
  11 #include "mojo/public/cpp/application/application_delegate.h"
  12 #include "mojo/public/cpp/application/application_impl.h"
  13 #include "mojo/public/cpp/application/application_runner_chromium.h"
  14 #include "mojo/public/cpp/system/core.h"
  15 #include "mojo/services/public/cpp/geometry/geometry_type_converters.h"
  16 #include "mojo/services/public/interfaces/gpu/gpu.mojom.h"
  17 #include "mojo/services/public/interfaces/native_viewport/native_viewport.mojom.h"
  18 #include "ui/gfx/rect.h"
  19
  20 namespace mojo {
  21 namespace examples {
  22
  23 class SampleApp : public ApplicationDelegate, public NativeViewportClient {
  24  public:
  25   SampleApp() {}
  26   virtual ~SampleApp() {}
  27
  28   virtual void Initialize(ApplicationImpl* app) OVERRIDE {
  29     app->ConnectToService("mojo:mojo_native_viewport_service", &viewport_);
  30     viewport_.set_client(this);
  31     viewport_->Create(Rect::From(gfx::Rect(10, 10, 800, 600)));
  32     viewport_->Show();
  33
  34     // TODO(jamesr): Should be mojo:mojo_gpu_service
  35     app->ConnectToService("mojo:mojo_native_viewport_service", &gpu_service_);
  36   }
  37
  38   virtual void OnCreated(uint64_t native_viewport_id) OVERRIDE {
  39     CommandBufferPtr cb;
  40     // TODO(jamesr): Output to a surface instead.
  41     gpu_service_->CreateOnscreenGLES2Context(
  42         native_viewport_id, Size::From(gfx::Size(800, 600)), Get(&cb));
  43     host_.reset(new CompositorHost(cb.PassMessagePipe()));
  44   }
  45
  46   virtual void OnDestroyed() OVERRIDE { base::MessageLoop::current()->Quit(); }
  47
  48   virtual void OnBoundsChanged(RectPtr bounds) OVERRIDE {
  49     if (host_)
  50       host_->SetSize(gfx::Size(bounds->width, bounds->height));
  51   }
  52
  53   virtual void OnEvent(EventPtr event,
  54                        const mojo::Callback<void()>& callback) OVERRIDE {
  55     callback.Run();
  56   }
  57
  58  private:
  59   NativeViewportPtr viewport_;
  60   GpuPtr gpu_service_;
  61   scoped_ptr<CompositorHost> host_;
  62   DISALLOW_COPY_AND_ASSIGN(SampleApp);
  63 };
  64
  65 }  // namespace examples
  66 }  // namespace mojo
  67
  68 MojoResult MojoMain(MojoHandle shell_handle) {
  69   mojo::ApplicationRunnerChromium runner(new mojo::examples::SampleApp);
  70   return runner.Run(shell_handle);
  71 }