components/view_manager/view_manager_app.cc

   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 #include "components/view_manager/view_manager_app.h"
   6
   7 #include "base/command_line.h"
   8 #include "components/view_manager/client_connection.h"
   9 #include "components/view_manager/connection_manager.h"
  10 #include "components/view_manager/display_manager.h"
  11 #include "components/view_manager/public/cpp/args.h"
  12 #include "components/view_manager/view_manager_service_impl.h"
  13 #include "mojo/application/public/cpp/application_connection.h"
  14 #include "mojo/application/public/cpp/application_impl.h"
  15 #include "mojo/application/public/cpp/application_runner.h"
  16 #include "mojo/common/tracing_impl.h"
  17 #include "third_party/mojo/src/mojo/public/c/system/main.h"
  18 #include "ui/events/event_switches.h"
  19 #include "ui/events/platform/platform_event_source.h"
  20 #include "ui/gl/gl_surface.h"
  21
  22 using mojo::ApplicationConnection;
  23 using mojo::ApplicationImpl;
  24 using mojo::Gpu;
  25 using mojo::InterfaceRequest;
  26 using mojo::ViewManagerRoot;
  27 using mojo::ViewManagerService;
  28
  29 namespace view_manager {
  30
  31 ViewManagerApp::ViewManagerApp() : app_impl_(nullptr), is_headless_(false) {
  32 }
  33
  34 ViewManagerApp::~ViewManagerApp() {}
  35
  36 void ViewManagerApp::Initialize(ApplicationImpl* app) {
  37   app_impl_ = app;
  38   tracing_.Initialize(app);
  39
  40 #if !defined(OS_ANDROID)
  41   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  42   is_headless_ = command_line->HasSwitch(mojo::kUseHeadlessConfig);
  43   if (!is_headless_) {
  44     event_source_ = ui::PlatformEventSource::CreateDefault();
  45     if (command_line->HasSwitch(mojo::kUseTestConfig))
  46       gfx::GLSurface::InitializeOneOffForTests();
  47     else
  48       gfx::GLSurface::InitializeOneOff();
  49   }
  50 #endif
  51
  52   if (!gpu_state_.get())
  53     gpu_state_ = new gles2::GpuState;
  54   connection_manager_.reset(
  55       new ConnectionManager(this, is_headless_, app_impl_, gpu_state_));
  56 }
  57
  58 bool ViewManagerApp::ConfigureIncomingConnection(
  59     ApplicationConnection* connection) {
  60
  61   // |connection| originates from the WindowManager. Let it connect directly
  62   // to the ViewManager.
  63   connection->AddService<ViewManagerService>(this);
  64   connection->AddService<ViewManagerRoot>(this);
  65   connection->AddService<Gpu>(this);
  66
  67   return true;
  68 }
  69
  70 void ViewManagerApp::OnLostConnectionToWindowManager() {
  71   app_impl_->Terminate();
  72 }
  73
  74 ClientConnection* ViewManagerApp::CreateClientConnectionForEmbedAtView(
  75     ConnectionManager* connection_manager,
  76     mojo::InterfaceRequest<mojo::ViewManagerService> service_request,
  77     mojo::ConnectionSpecificId creator_id,
  78     mojo::URLRequestPtr request,
  79     const ViewId& root_id) {
  80   mojo::ViewManagerClientPtr client;
  81   app_impl_->ConnectToService(request.Pass(), &client);
  82
  83   scoped_ptr<ViewManagerServiceImpl> service(
  84       new ViewManagerServiceImpl(connection_manager, creator_id, root_id));
  85   return new DefaultClientConnection(service.Pass(), connection_manager,
  86                                      service_request.Pass(), client.Pass());
  87 }
  88
  89 ClientConnection* ViewManagerApp::CreateClientConnectionForEmbedAtView(
  90     ConnectionManager* connection_manager,
  91     mojo::InterfaceRequest<mojo::ViewManagerService> service_request,
  92     mojo::ConnectionSpecificId creator_id,
  93     const ViewId& root_id,
  94     mojo::ViewManagerClientPtr view_manager_client) {
  95   scoped_ptr<ViewManagerServiceImpl> service(
  96       new ViewManagerServiceImpl(connection_manager, creator_id, root_id));
  97   return new DefaultClientConnection(service.Pass(), connection_manager,
  98                                      service_request.Pass(),
  99                                      view_manager_client.Pass());
 100 }
 101
 102 void ViewManagerApp::Create(ApplicationConnection* connection,
 103                             InterfaceRequest<ViewManagerService> request) {
 104   if (connection_manager_->has_window_manager_client_connection()) {
 105     VLOG(1) << "ViewManager interface requested more than once.";
 106     return;
 107   }
 108
 109   scoped_ptr<ViewManagerServiceImpl> service(new ViewManagerServiceImpl(
 110       connection_manager_.get(), kInvalidConnectionId, RootViewId(0)));
 111   mojo::ViewManagerClientPtr client;
 112   connection->ConnectToService(&client);
 113   scoped_ptr<ClientConnection> client_connection(
 114       new DefaultClientConnection(service.Pass(), connection_manager_.get(),
 115                                   request.Pass(), client.Pass()));
 116   connection_manager_->SetWindowManagerClientConnection(
 117       client_connection.Pass());
 118 }
 119
 120 void ViewManagerApp::Create(ApplicationConnection* connection,
 121                             InterfaceRequest<ViewManagerRoot> request) {
 122   if (view_manager_root_binding_.get()) {
 123     VLOG(1) << "ViewManagerRoot requested more than once.";
 124     return;
 125   }
 126
 127   // ConfigureIncomingConnection() must have been called before getting here.
 128   DCHECK(connection_manager_.get());
 129   view_manager_root_binding_.reset(new mojo::Binding<ViewManagerRoot>(
 130       connection_manager_->view_manager_root(), request.Pass()));
 131   view_manager_root_binding_->set_error_handler(this);
 132 }
 133
 134 void ViewManagerApp::Create(
 135     mojo::ApplicationConnection* connection,
 136     mojo::InterfaceRequest<Gpu> request) {
 137   if (!gpu_state_.get())
 138     gpu_state_ = new gles2::GpuState;
 139   new gles2::GpuImpl(request.Pass(), gpu_state_);
 140 }
 141
 142 void ViewManagerApp::OnConnectionError() {
 143   app_impl_->Terminate();
 144 }
 145
 146 }  // namespace view_manager