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