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_scheduler.h"
  14 #include "components/view_manager/view_tree_host_connection.h"
  15 #include "components/view_manager/view_tree_host_impl.h"
  16 #include "components/view_manager/view_tree_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 #if defined(USE_X11)
  28 #include <X11/Xlib.h>
  29 #include "ui/platform_window/x11/x11_window.h"
  30 #endif
  31
  32 using mojo::ApplicationConnection;
  33 using mojo::ApplicationImpl;
  34 using mojo::Gpu;
  35 using mojo::InterfaceRequest;
  36 using mojo::ViewTreeHostFactory;
  37
  38 namespace view_manager {
  39
  40 ViewManagerApp::ViewManagerApp()
  41     : app_impl_(nullptr),
  42       is_headless_(false) {
  43 }
  44
  45 ViewManagerApp::~ViewManagerApp() {
  46   if (gpu_state_)
  47     gpu_state_->StopControlThread();
  48   // Destroy |connection_manager_| first, since it depends on |event_source_|.
  49   connection_manager_.reset();
  50 }
  51
  52 void ViewManagerApp::Initialize(ApplicationImpl* app) {
  53   app_impl_ = app;
  54   tracing_.Initialize(app);
  55   surfaces_state_ = new surfaces::SurfacesState;
  56
  57 #if !defined(OS_ANDROID)
  58   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  59   is_headless_ = command_line->HasSwitch(mojo::kUseHeadlessConfig);
  60   if (!is_headless_) {
  61 #if defined(USE_X11)
  62     if (command_line->HasSwitch(mojo::kUseX11TestConfig)) {
  63       XInitThreads();
  64       ui::test::SetUseOverrideRedirectWindowByDefault(true);
  65     }
  66 #endif
  67     gfx::GLSurface::InitializeOneOff();
  68     event_source_ = ui::PlatformEventSource::CreateDefault();
  69   }
  70 #endif
  71
  72   if (!gpu_state_.get())
  73     gpu_state_ = new gles2::GpuState;
  74   connection_manager_.reset(new ConnectionManager(this, surfaces_state_));
  75 }
  76
  77 bool ViewManagerApp::ConfigureIncomingConnection(
  78     ApplicationConnection* connection) {
  79   // ViewManager
  80   connection->AddService<ViewTreeHostFactory>(this);
  81   // GPU
  82   connection->AddService<Gpu>(this);
  83   return true;
  84 }
  85
  86 void ViewManagerApp::OnNoMoreRootConnections() {
  87   app_impl_->Quit();
  88 }
  89
  90 ClientConnection* ViewManagerApp::CreateClientConnectionForEmbedAtView(
  91     ConnectionManager* connection_manager,
  92     mojo::InterfaceRequest<mojo::ViewTree> tree_request,
  93     mojo::ConnectionSpecificId creator_id,
  94     mojo::URLRequestPtr request,
  95     const ViewId& root_id) {
  96   mojo::ViewTreeClientPtr client;
  97   app_impl_->ConnectToService(request.Pass(), &client);
  98
  99   scoped_ptr<ViewTreeImpl> service(
 100       new ViewTreeImpl(connection_manager, creator_id, root_id));
 101   return new DefaultClientConnection(service.Pass(), connection_manager,
 102                                      tree_request.Pass(), client.Pass());
 103 }
 104
 105 ClientConnection* ViewManagerApp::CreateClientConnectionForEmbedAtView(
 106     ConnectionManager* connection_manager,
 107     mojo::InterfaceRequest<mojo::ViewTree> tree_request,
 108     mojo::ConnectionSpecificId creator_id,
 109     const ViewId& root_id,
 110     mojo::ViewTreeClientPtr client) {
 111   scoped_ptr<ViewTreeImpl> service(
 112       new ViewTreeImpl(connection_manager, creator_id, root_id));
 113   return new DefaultClientConnection(service.Pass(), connection_manager,
 114                                      tree_request.Pass(),
 115                                      client.Pass());
 116 }
 117
 118 void ViewManagerApp::Create(ApplicationConnection* connection,
 119                             InterfaceRequest<ViewTreeHostFactory> request) {
 120   factory_bindings_.AddBinding(this, request.Pass());
 121 }
 122
 123 void ViewManagerApp::Create(
 124     mojo::ApplicationConnection* connection,
 125     mojo::InterfaceRequest<Gpu> request) {
 126   if (!gpu_state_.get())
 127     gpu_state_ = new gles2::GpuState;
 128   new gles2::GpuImpl(request.Pass(), gpu_state_);
 129 }
 130
 131 void ViewManagerApp::CreateViewTreeHost(
 132     mojo::InterfaceRequest<mojo::ViewTreeHost> host,
 133     mojo::ViewTreeHostClientPtr host_client,
 134     mojo::ViewTreeClientPtr tree_client) {
 135   DCHECK(connection_manager_.get());
 136
 137   // TODO(fsamuel): We need to make sure that only the window manager can create
 138   // new roots.
 139   ViewTreeHostImpl* host_impl = new ViewTreeHostImpl(
 140       host_client.Pass(), connection_manager_.get(), is_headless_, app_impl_,
 141       gpu_state_, surfaces_state_);
 142
 143   // ViewTreeHostConnection manages its own lifetime.
 144   host_impl->Init(new ViewTreeHostConnectionImpl(
 145       host.Pass(), make_scoped_ptr(host_impl), tree_client.Pass(),
 146       connection_manager_.get()));
 147 }
 148
 149 }  // namespace view_manager