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/native_viewport/native_viewport_impl.h"
  12 #include "components/view_manager/public/cpp/args.h"
  13 #include "components/view_manager/view_manager_service_impl.h"
  14 #include "mojo/application/public/cpp/application_connection.h"
  15 #include "mojo/application/public/cpp/application_impl.h"
  16 #include "mojo/application/public/cpp/application_runner.h"
  17 #include "mojo/common/tracing_impl.h"
  18 #include "third_party/mojo/src/mojo/public/c/system/main.h"
  19 #include "ui/events/event_switches.h"
  20 #include "ui/events/platform/platform_event_source.h"
  21 #include "ui/gl/gl_surface.h"
  22
  23 using mojo::ApplicationConnection;
  24 using mojo::ApplicationImpl;
  25 using mojo::Gpu;
  26 using mojo::InterfaceRequest;
  27 using mojo::NativeViewport;
  28 using mojo::ViewManagerRoot;
  29 using mojo::ViewManagerService;
  30
  31 namespace view_manager {
  32
  33 ViewManagerApp::ViewManagerApp() : app_impl_(nullptr) {
  34 }
  35
  36 ViewManagerApp::~ViewManagerApp() {}
  37
  38 void ViewManagerApp::Initialize(ApplicationImpl* app) {
  39   app_impl_ = app;
  40   tracing_.Initialize(app);
  41
  42   scoped_ptr<DefaultDisplayManager> display_manager(new DefaultDisplayManager(
  43       app_impl_, base::Bind(&ViewManagerApp::OnLostConnectionToWindowManager,
  44                             base::Unretained(this))));
  45   connection_manager_.reset(
  46       new ConnectionManager(this, display_manager.Pass()));
  47
  48 #if !defined(OS_ANDROID)
  49   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  50   is_headless_ = command_line->HasSwitch(mojo::kUseHeadlessConfig);
  51   if (!is_headless_) {
  52     event_source_ = ui::PlatformEventSource::CreateDefault();
  53     if (command_line->HasSwitch(mojo::kUseTestConfig))
  54       gfx::GLSurface::InitializeOneOffForTests();
  55     else
  56       gfx::GLSurface::InitializeOneOff();
  57   }
  58 #endif
  59 }
  60
  61 bool ViewManagerApp::ConfigureIncomingConnection(
  62     ApplicationConnection* connection) {
  63
  64   // |connection| originates from the WindowManager. Let it connect directly
  65   // to the ViewManager.
  66   connection->AddService<ViewManagerService>(this);
  67   connection->AddService<ViewManagerRoot>(this);
  68   connection->AddService<NativeViewport>(this);
  69   connection->AddService<Gpu>(this);
  70
  71   return true;
  72 }
  73
  74 void ViewManagerApp::OnLostConnectionToWindowManager() {
  75   app_impl_->Terminate();
  76 }
  77
  78 ClientConnection* ViewManagerApp::CreateClientConnectionForEmbedAtView(
  79     ConnectionManager* connection_manager,
  80     mojo::InterfaceRequest<mojo::ViewManagerService> service_request,
  81     mojo::ConnectionSpecificId creator_id,
  82     const std::string& creator_url,
  83     mojo::URLRequestPtr request,
  84     const ViewId& root_id) {
  85   mojo::ViewManagerClientPtr client;
  86   std::string url = request->url.To<std::string>();
  87   app_impl_->ConnectToService(request.Pass(), &client);
  88
  89   scoped_ptr<ViewManagerServiceImpl> service(new ViewManagerServiceImpl(
  90       connection_manager, creator_id, creator_url, url, root_id));
  91   return new DefaultClientConnection(service.Pass(), connection_manager,
  92                                      service_request.Pass(), client.Pass());
  93 }
  94
  95 ClientConnection* ViewManagerApp::CreateClientConnectionForEmbedAtView(
  96     ConnectionManager* connection_manager,
  97     mojo::InterfaceRequest<mojo::ViewManagerService> service_request,
  98     mojo::ConnectionSpecificId creator_id,
  99     const std::string& creator_url,
 100     const ViewId& root_id,
 101     mojo::ViewManagerClientPtr view_manager_client) {
 102   scoped_ptr<ViewManagerServiceImpl> service(new ViewManagerServiceImpl(
 103       connection_manager, creator_id, creator_url, std::string(), root_id));
 104   return new DefaultClientConnection(service.Pass(), connection_manager,
 105                                      service_request.Pass(),
 106                                      view_manager_client.Pass());
 107 }
 108
 109 void ViewManagerApp::Create(ApplicationConnection* connection,
 110                             InterfaceRequest<ViewManagerService> request) {
 111   if (connection_manager_->has_window_manager_client_connection()) {
 112     VLOG(1) << "ViewManager interface requested more than once.";
 113     return;
 114   }
 115
 116   scoped_ptr<ViewManagerServiceImpl> service(new ViewManagerServiceImpl(
 117       connection_manager_.get(), kInvalidConnectionId, std::string(),
 118       connection->GetRemoteApplicationURL(), RootViewId()));
 119   mojo::ViewManagerClientPtr client;
 120   connection->ConnectToService(&client);
 121   scoped_ptr<ClientConnection> client_connection(
 122       new DefaultClientConnection(service.Pass(), connection_manager_.get(),
 123                                   request.Pass(), client.Pass()));
 124   connection_manager_->SetWindowManagerClientConnection(
 125       client_connection.Pass());
 126 }
 127
 128 void ViewManagerApp::Create(ApplicationConnection* connection,
 129                             InterfaceRequest<ViewManagerRoot> request) {
 130   if (view_manager_root_binding_.get()) {
 131     VLOG(1) << "ViewManagerRoot requested more than once.";
 132     return;
 133   }
 134
 135   // ConfigureIncomingConnection() must have been called before getting here.
 136   DCHECK(connection_manager_.get());
 137   view_manager_root_binding_.reset(new mojo::Binding<ViewManagerRoot>(
 138       connection_manager_.get(), request.Pass()));
 139   view_manager_root_binding_->set_error_handler(this);
 140 }
 141
 142 void ViewManagerApp::Create(
 143     mojo::ApplicationConnection* connection,
 144     mojo::InterfaceRequest<NativeViewport> request) {
 145   if (!gpu_state_.get())
 146     gpu_state_ = new gles2::GpuState;
 147   new native_viewport::NativeViewportImpl(
 148       is_headless_,
 149       gpu_state_,
 150       request.Pass(),
 151       app_impl_->app_lifetime_helper()->CreateAppRefCount());
 152 }
 153
 154 void ViewManagerApp::Create(
 155     mojo::ApplicationConnection* connection,
 156     mojo::InterfaceRequest<Gpu> request) {
 157   if (!gpu_state_.get())
 158     gpu_state_ = new gles2::GpuState;
 159   new gles2::GpuImpl(request.Pass(), gpu_state_);
 160 }
 161
 162 void ViewManagerApp::OnConnectionError() {
 163   app_impl_->Terminate();
 164 }
 165
 166 }  // namespace view_manager