components/mus/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/mus/view_manager_app.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/stl_util.h"
   9 #include "components/mus/client_connection.h"
  10 #include "components/mus/connection_manager.h"
  11 #include "components/mus/gles2/gpu_impl.h"
  12 #include "components/mus/public/cpp/args.h"
  13 #include "components/mus/surfaces/surfaces_scheduler.h"
  14 #include "components/mus/view_tree_host_connection.h"
  15 #include "components/mus/view_tree_host_impl.h"
  16 #include "components/mus/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() : app_impl_(nullptr), is_headless_(false) {}
  41
  42 ViewManagerApp::~ViewManagerApp() {
  43   if (gpu_state_)
  44     gpu_state_->StopControlThread();
  45   // Destroy |connection_manager_| first, since it depends on |event_source_|.
  46   connection_manager_.reset();
  47 }
  48
  49 void ViewManagerApp::Initialize(ApplicationImpl* app) {
  50   app_impl_ = app;
  51   tracing_.Initialize(app);
  52   surfaces_state_ = new surfaces::SurfacesState;
  53
  54 #if !defined(OS_ANDROID)
  55   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  56   is_headless_ = command_line->HasSwitch(mojo::kUseHeadlessConfig);
  57   if (!is_headless_) {
  58 #if defined(USE_X11)
  59     if (command_line->HasSwitch(mojo::kUseX11TestConfig)) {
  60       XInitThreads();
  61       ui::test::SetUseOverrideRedirectWindowByDefault(true);
  62     }
  63 #endif
  64     gfx::GLSurface::InitializeOneOff();
  65     event_source_ = ui::PlatformEventSource::CreateDefault();
  66   }
  67 #endif
  68
  69   if (!gpu_state_.get())
  70     gpu_state_ = new gles2::GpuState;
  71   connection_manager_.reset(new ConnectionManager(this, surfaces_state_));
  72 }
  73
  74 bool ViewManagerApp::ConfigureIncomingConnection(
  75     ApplicationConnection* connection) {
  76   // ViewManager
  77   connection->AddService<ViewTreeHostFactory>(this);
  78   // GPU
  79   connection->AddService<Gpu>(this);
  80   return true;
  81 }
  82
  83 void ViewManagerApp::OnNoMoreRootConnections() {
  84   app_impl_->Quit();
  85 }
  86
  87 ClientConnection* ViewManagerApp::CreateClientConnectionForEmbedAtView(
  88     ConnectionManager* connection_manager,
  89     mojo::InterfaceRequest<mojo::ViewTree> tree_request,
  90     mojo::ConnectionSpecificId creator_id,
  91     mojo::URLRequestPtr request,
  92     const ViewId& root_id,
  93     uint32_t policy_bitmask) {
  94   mojo::ViewTreeClientPtr client;
  95   app_impl_->ConnectToService(request.Pass(), &client);
  96
  97   scoped_ptr<ViewTreeImpl> service(new ViewTreeImpl(
  98       connection_manager, creator_id, root_id, policy_bitmask));
  99   return new DefaultClientConnection(service.Pass(), connection_manager,
 100                                      tree_request.Pass(), client.Pass());
 101 }
 102
 103 ClientConnection* ViewManagerApp::CreateClientConnectionForEmbedAtView(
 104     ConnectionManager* connection_manager,
 105     mojo::InterfaceRequest<mojo::ViewTree> tree_request,
 106     mojo::ConnectionSpecificId creator_id,
 107     const ViewId& root_id,
 108     uint32_t policy_bitmask,
 109     mojo::ViewTreeClientPtr client) {
 110   scoped_ptr<ViewTreeImpl> service(new ViewTreeImpl(
 111       connection_manager, creator_id, root_id, policy_bitmask));
 112   return new DefaultClientConnection(service.Pass(), connection_manager,
 113                                      tree_request.Pass(), client.Pass());
 114 }
 115
 116 void ViewManagerApp::Create(ApplicationConnection* connection,
 117                             InterfaceRequest<ViewTreeHostFactory> request) {
 118   factory_bindings_.AddBinding(this, request.Pass());
 119 }
 120
 121 void ViewManagerApp::Create(mojo::ApplicationConnection* connection,
 122                             mojo::InterfaceRequest<Gpu> request) {
 123   if (!gpu_state_.get())
 124     gpu_state_ = new gles2::GpuState;
 125   new gles2::GpuImpl(request.Pass(), gpu_state_);
 126 }
 127
 128 void ViewManagerApp::CreateViewTreeHost(
 129     mojo::InterfaceRequest<mojo::ViewTreeHost> host,
 130     mojo::ViewTreeHostClientPtr host_client,
 131     mojo::ViewTreeClientPtr tree_client) {
 132   DCHECK(connection_manager_.get());
 133
 134   // TODO(fsamuel): We need to make sure that only the window manager can create
 135   // new roots.
 136   ViewTreeHostImpl* host_impl = new ViewTreeHostImpl(
 137       host_client.Pass(), connection_manager_.get(), is_headless_, app_impl_,
 138       gpu_state_, surfaces_state_);
 139
 140   // ViewTreeHostConnection manages its own lifetime.
 141   host_impl->Init(new ViewTreeHostConnectionImpl(
 142       host.Pass(), make_scoped_ptr(host_impl), tree_client.Pass(),
 143       connection_manager_.get()));
 144 }
 145
 146 }  // namespace view_manager