mojo/examples/sample_app/sample_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 "mojo/examples/sample_app/gles2_client_impl.h"
   9 #include "mojo/public/bindings/allocation_scope.h"
  10 #include "mojo/public/bindings/remote_ptr.h"
  11 #include "mojo/public/environment/environment.h"
  12 #include "mojo/public/gles2/gles2_cpp.h"
  13 #include "mojo/public/shell/application.h"
  14 #include "mojo/public/shell/shell.mojom.h"
  15 #include "mojo/public/system/core.h"
  16 #include "mojo/public/system/macros.h"
  17 #include "mojo/public/utility/run_loop.h"
  18 #include "mojo/services/native_viewport/native_viewport.mojom.h"
  19
  20 #if defined(WIN32)
  21 #if !defined(CDECL)
  22 #define CDECL __cdecl
  23 #endif
  24 #define SAMPLE_APP_EXPORT __declspec(dllexport)
  25 #else
  26 #define CDECL
  27 #define SAMPLE_APP_EXPORT __attribute__((visibility("default")))
  28 #endif
  29
  30 namespace mojo {
  31 namespace examples {
  32
  33 class SampleApp : public Application, public mojo::NativeViewportClient {
  34  public:
  35   explicit SampleApp(MojoHandle shell_handle) : Application(shell_handle) {
  36     InterfacePipe<NativeViewport, AnyInterface> viewport_pipe;
  37     mojo::AllocationScope scope;
  38     shell()->Connect("mojo:mojo_native_viewport_service",
  39                      viewport_pipe.handle_to_peer.Pass());
  40     viewport_.reset(viewport_pipe.handle_to_self.Pass(), this);
  41     Rect::Builder rect;
  42     Point::Builder point;
  43     point.set_x(10);
  44     point.set_y(10);
  45     rect.set_position(point.Finish());
  46     Size::Builder size;
  47     size.set_width(800);
  48     size.set_height(600);
  49     rect.set_size(size.Finish());
  50     viewport_->Create(rect.Finish());
  51     viewport_->Show();
  52
  53     MessagePipe gles2_pipe;
  54     viewport_->CreateGLES2Context(gles2_pipe.handle1.Pass());
  55     gles2_client_.reset(new GLES2ClientImpl(gles2_pipe.handle0.Pass()));
  56   }
  57
  58   virtual ~SampleApp() {
  59     // TODO(darin): Fix shutdown so we don't need to leak this.
  60     MOJO_ALLOW_UNUSED GLES2ClientImpl* leaked = gles2_client_.release();
  61   }
  62
  63   virtual void OnCreated() MOJO_OVERRIDE {
  64   }
  65
  66   virtual void OnDestroyed() MOJO_OVERRIDE {
  67     RunLoop::current()->Quit();
  68   }
  69
  70   virtual void OnBoundsChanged(const Rect& bounds) MOJO_OVERRIDE {
  71     gles2_client_->SetSize(bounds.size());
  72   }
  73
  74   virtual void OnEvent(const Event& event) MOJO_OVERRIDE {
  75     if (!event.location().is_null()) {
  76       gles2_client_->HandleInputEvent(event);
  77       viewport_->AckEvent(event);
  78     }
  79   }
  80
  81  private:
  82   scoped_ptr<GLES2ClientImpl> gles2_client_;
  83   RemotePtr<NativeViewport> viewport_;
  84 };
  85
  86 }  // namespace examples
  87 }  // namespace mojo
  88
  89 extern "C" SAMPLE_APP_EXPORT MojoResult CDECL MojoMain(
  90     MojoHandle shell_handle) {
  91   mojo::Environment env;
  92   mojo::RunLoop loop;
  93   mojo::GLES2Initializer gles2;
  94
  95   mojo::examples::SampleApp app(shell_handle);
  96   loop.Run();
  97   return MOJO_RESULT_OK;
  98 }