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      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/application/application_runner_chromium.h"
     10 #include "mojo/examples/compositor_app/compositor_host.h"
     11 #include "mojo/public/c/system/main.h"
     12 #include "mojo/public/cpp/application/application_delegate.h"
     13 #include "mojo/public/cpp/application/application_impl.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(Size::From(gfx::Size(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(SizePtr bounds) OVERRIDE {
     49     if (host_)
     50       host_->SetSize(bounds.To<gfx::Size>());
     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 }
     72