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