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 "base/stl_util.h"
   9 #include "components/view_manager/client_connection.h"
  10 #include "components/view_manager/connection_manager.h"
  11 #include "components/view_manager/gles2/gpu_impl.h"
  12 #include "components/view_manager/public/cpp/args.h"
  13 #include "components/view_manager/surfaces/surfaces_impl.h"
  14 #include "components/view_manager/surfaces/surfaces_scheduler.h"
  15 #include "components/view_manager/view_manager_root_connection.h"
  16 #include "components/view_manager/view_manager_root_impl.h"
  17 #include "components/view_manager/view_manager_service_impl.h"
  18 #include "mojo/application/public/cpp/application_connection.h"
  19 #include "mojo/application/public/cpp/application_impl.h"
  20 #include "mojo/application/public/cpp/application_runner.h"
  21 #include "mojo/common/tracing_impl.h"
  22 #include "third_party/mojo/src/mojo/public/c/system/main.h"
  23 #include "ui/events/event_switches.h"
  24 #include "ui/events/platform/platform_event_source.h"
  25 #include "ui/gl/gl_surface.h"
  26 #include "ui/gl/test/gl_surface_test_support.h"
  27
  28 using mojo::ApplicationConnection;
  29 using mojo::ApplicationImpl;
  30 using mojo::Gpu;
  31 using mojo::InterfaceRequest;
  32 using mojo::ViewManagerRoot;
  33 using mojo::ViewManagerService;
  34
  35 namespace view_manager {
  36
  37 ViewManagerApp::ViewManagerApp()
  38     : app_impl_(nullptr),
  39       is_headless_(false) {
  40 }
  41
  42 ViewManagerApp::~ViewManagerApp() {
  43   if (gpu_state_)
  44     gpu_state_->StopControlThread();
  45
  46   auto surfaces = surfaces_;
  47   for (auto& surface : surfaces)
  48     surface->CloseConnection();
  49 }
  50
  51 void ViewManagerApp::Initialize(ApplicationImpl* app) {
  52   app_impl_ = app;
  53   tracing_.Initialize(app);
  54   surfaces_state_ = new surfaces::SurfacesState;
  55
  56 #if !defined(OS_ANDROID)
  57   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  58   is_headless_ = command_line->HasSwitch(mojo::kUseHeadlessConfig);
  59   if (!is_headless_) {
  60     event_source_ = ui::PlatformEventSource::CreateDefault();
  61     if (command_line->HasSwitch(mojo::kUseTestConfig))
  62       gfx::GLSurfaceTestSupport::InitializeOneOff();
  63     else
  64       gfx::GLSurface::InitializeOneOff();
  65   }
  66 #endif
  67
  68   if (!gpu_state_.get())
  69     gpu_state_ = new gles2::GpuState;
  70   connection_manager_.reset(new ConnectionManager(this));
  71 }
  72
  73 bool ViewManagerApp::ConfigureIncomingConnection(
  74     ApplicationConnection* connection) {
  75   // ViewManager
  76   connection->AddService<ViewManagerRoot>(this);
  77   // Surfaces
  78   // TODO(fsamuel): This should go away soon.
  79   connection->AddService<mojo::Surface>(this);
  80   // GPU
  81   connection->AddService<Gpu>(this);
  82   return true;
  83 }
  84
  85 void ViewManagerApp::OnNoMoreRootConnections() {
  86   app_impl_->Quit();
  87 }
  88
  89 ClientConnection* ViewManagerApp::CreateClientConnectionForEmbedAtView(
  90     ConnectionManager* connection_manager,
  91     mojo::InterfaceRequest<mojo::ViewManagerService> service_request,
  92     mojo::ConnectionSpecificId creator_id,
  93     mojo::URLRequestPtr request,
  94     const ViewId& root_id) {
  95   mojo::ViewManagerClientPtr client;
  96   app_impl_->ConnectToService(request.Pass(), &client);
  97
  98   scoped_ptr<ViewManagerServiceImpl> service(
  99       new ViewManagerServiceImpl(connection_manager, creator_id, root_id));
 100   return new DefaultClientConnection(service.Pass(), connection_manager,
 101                                      service_request.Pass(), client.Pass());
 102 }
 103
 104 ClientConnection* ViewManagerApp::CreateClientConnectionForEmbedAtView(
 105     ConnectionManager* connection_manager,
 106     mojo::InterfaceRequest<mojo::ViewManagerService> service_request,
 107     mojo::ConnectionSpecificId creator_id,
 108     const ViewId& root_id,
 109     mojo::ViewManagerClientPtr view_manager_client) {
 110   scoped_ptr<ViewManagerServiceImpl> service(
 111       new ViewManagerServiceImpl(connection_manager, creator_id, root_id));
 112   return new DefaultClientConnection(service.Pass(), connection_manager,
 113                                      service_request.Pass(),
 114                                      view_manager_client.Pass());
 115 }
 116
 117 void ViewManagerApp::Create(ApplicationConnection* connection,
 118                             InterfaceRequest<ViewManagerRoot> request) {
 119   DCHECK(connection_manager_.get());
 120   // TODO(fsamuel): We need to make sure that only the window manager can create
 121   // new roots.
 122   ViewManagerRootImpl* view_manager_root = new ViewManagerRootImpl(
 123       connection_manager_.get(), is_headless_, app_impl_, gpu_state_,
 124       surfaces_state_);
 125
 126   mojo::ViewManagerClientPtr client;
 127   connection->ConnectToService(&client);
 128
 129   // ViewManagerRootConnection manages its own lifetime.
 130   view_manager_root->Init(new ViewManagerRootConnectionImpl(
 131       request.Pass(), make_scoped_ptr(view_manager_root), client.Pass(),
 132       connection_manager_.get()));
 133 }
 134
 135 void ViewManagerApp::Create(
 136     mojo::ApplicationConnection* connection,
 137     mojo::InterfaceRequest<Gpu> request) {
 138   if (!gpu_state_.get())
 139     gpu_state_ = new gles2::GpuState;
 140   new gles2::GpuImpl(request.Pass(), gpu_state_);
 141 }
 142
 143 void ViewManagerApp::Create(
 144     mojo::ApplicationConnection* connection,
 145     mojo::InterfaceRequest<mojo::Surface> request) {
 146   surfaces_.insert(
 147       new surfaces::SurfacesImpl(this, surfaces_state_, request.Pass()));
 148 }
 149
 150 void ViewManagerApp::OnSurfaceConnectionClosed(
 151     surfaces::SurfacesImpl* surface) {
 152   surfaces_.erase(surface);
 153 }
 154
 155 }  // namespace view_manager