ash/shell/content_client/shell_browser_main_parts.cc

   1 // Copyright (c) 2012 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 "ash/shell/content_client/shell_browser_main_parts.h"
   6
   7 #include "ash/ash_switches.h"
   8 #include "ash/content_support/inject.h"
   9 #include "ash/desktop_background/desktop_background_controller.h"
  10 #include "ash/shell.h"
  11 #include "ash/shell/shell_delegate_impl.h"
  12 #include "ash/shell/window_watcher.h"
  13 #include "ash/system/user/login_status.h"
  14 #include "base/bind.h"
  15 #include "base/command_line.h"
  16 #include "base/i18n/icu_util.h"
  17 #include "base/message_loop/message_loop.h"
  18 #include "base/strings/string_number_conversions.h"
  19 #include "base/threading/thread.h"
  20 #include "base/threading/thread_restrictions.h"
  21 #include "content/public/common/content_switches.h"
  22 #include "content/shell/browser/shell_browser_context.h"
  23 #include "content/shell/browser/shell_net_log.h"
  24 #include "net/base/net_module.h"
  25 #include "ui/aura/env.h"
  26 #include "ui/aura/root_window.h"
  27 #include "ui/aura/window.h"
  28 #include "ui/base/resource/resource_bundle.h"
  29 #include "ui/base/ui_base_paths.h"
  30 #include "ui/compositor/compositor.h"
  31 #include "ui/gfx/screen.h"
  32 #include "ui/message_center/message_center.h"
  33 #include "ui/views/corewm/wm_state.h"
  34 #include "ui/views/focus/accelerator_handler.h"
  35 #include "ui/views/test/test_views_delegate.h"
  36
  37 #if defined(USE_X11)
  38 #include "ui/events/x/touch_factory_x11.h"
  39 #endif
  40
  41 #if defined(OS_CHROMEOS)
  42 #include "chromeos/audio/cras_audio_handler.h"
  43 #include "chromeos/dbus/dbus_thread_manager.h"
  44 #endif
  45
  46 namespace ash {
  47 namespace shell {
  48 void InitWindowTypeLauncher();
  49
  50 namespace {
  51
  52 class ShellViewsDelegate : public views::TestViewsDelegate {
  53  public:
  54   ShellViewsDelegate() {}
  55   virtual ~ShellViewsDelegate() {}
  56
  57   // Overridden from views::TestViewsDelegate:
  58   virtual views::NonClientFrameView* CreateDefaultNonClientFrameView(
  59       views::Widget* widget) OVERRIDE {
  60     return ash::Shell::GetInstance()->CreateDefaultNonClientFrameView(widget);
  61   }
  62   virtual void OnBeforeWidgetInit(
  63       views::Widget::InitParams* params,
  64       views::internal::NativeWidgetDelegate* delegate) OVERRIDE {
  65     if (params->opacity == views::Widget::InitParams::INFER_OPACITY)
  66       params->opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
  67
  68     if (params->native_widget)
  69       return;
  70
  71     if (!params->parent && !params->context && params->top_level)
  72       params->context = Shell::GetPrimaryRootWindow();
  73   }
  74
  75  private:
  76   DISALLOW_COPY_AND_ASSIGN(ShellViewsDelegate);
  77 };
  78
  79 }  // namespace
  80
  81 ShellBrowserMainParts::ShellBrowserMainParts(
  82     const content::MainFunctionParams& parameters)
  83     : BrowserMainParts(),
  84       delegate_(NULL) {
  85 }
  86
  87 ShellBrowserMainParts::~ShellBrowserMainParts() {
  88 }
  89
  90 void ShellBrowserMainParts::PreMainMessageLoopStart() {
  91 #if defined(USE_X11)
  92   ui::TouchFactory::SetTouchDeviceListFromCommandLine();
  93 #endif
  94 }
  95
  96 void ShellBrowserMainParts::PostMainMessageLoopStart() {
  97 #if defined(OS_CHROMEOS)
  98   chromeos::DBusThreadManager::Initialize();
  99 #endif
 100 }
 101
 102 void ShellBrowserMainParts::ToolkitInitialized() {
 103   wm_state_.reset(new views::corewm::WMState);
 104 }
 105
 106 void ShellBrowserMainParts::PreMainMessageLoopRun() {
 107   net_log_.reset(new content::ShellNetLog());
 108   browser_context_.reset(new content::ShellBrowserContext(
 109       false, net_log_.get()));
 110
 111   // A ViewsDelegate is required.
 112   if (!views::ViewsDelegate::views_delegate)
 113     views::ViewsDelegate::views_delegate = new ShellViewsDelegate;
 114
 115   delegate_ = new ash::shell::ShellDelegateImpl;
 116   // The global message center state must be initialized absent
 117   // g_browser_process.
 118   message_center::MessageCenter::Initialize();
 119
 120 #if defined(OS_CHROMEOS)
 121   // Create CrasAudioHandler for testing since g_browser_process
 122   // is absent.
 123   chromeos::CrasAudioHandler::InitializeForTesting();
 124 #endif
 125
 126   ash::Shell::CreateInstance(delegate_);
 127   ash::InitContentSupport();
 128   delegate_->set_browser_context(browser_context_.get());
 129   ash::Shell::GetInstance()->CreateShelf();
 130   ash::Shell::GetInstance()->UpdateAfterLoginStatusChange(
 131       user::LOGGED_IN_USER);
 132
 133   window_watcher_.reset(new ash::shell::WindowWatcher);
 134   gfx::Screen* screen = Shell::GetInstance()->GetScreen();
 135   screen->AddObserver(window_watcher_.get());
 136   delegate_->SetWatcher(window_watcher_.get());
 137
 138   ash::shell::InitWindowTypeLauncher();
 139
 140   Shell::GetInstance()->desktop_background_controller()->SetDefaultWallpaper(
 141       false /* is_guest */);
 142
 143   ash::Shell::GetPrimaryRootWindow()->GetDispatcher()->host()->Show();
 144 }
 145
 146 void ShellBrowserMainParts::PostMainMessageLoopRun() {
 147   gfx::Screen* screen = Shell::GetInstance()->GetScreen();
 148   screen->RemoveObserver(window_watcher_.get());
 149
 150   window_watcher_.reset();
 151   delegate_->SetWatcher(NULL);
 152   delegate_ = NULL;
 153   ash::Shell::DeleteInstance();
 154   // The global message center state must be shutdown absent
 155   // g_browser_process.
 156   message_center::MessageCenter::Shutdown();
 157
 158 #if defined(OS_CHROMEOS)
 159   chromeos::CrasAudioHandler::Shutdown();
 160 #endif
 161
 162   aura::Env::DeleteInstance();
 163
 164   // The keyboard may have created a WebContents. The WebContents is destroyed
 165   // with the UI, and it needs the BrowserContext to be alive during its
 166   // destruction. So destroy all of the UI elements before destroying the
 167   // browser context.
 168   browser_context_.reset();
 169 }
 170
 171 bool ShellBrowserMainParts::MainMessageLoopRun(int* result_code) {
 172   base::MessageLoopForUI::current()->Run();
 173   return true;
 174 }
 175
 176 }  // namespace shell
 177 }  // namespace ash