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/shell_init_params.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/browser/context_factory.h"
  22 #include "content/public/common/content_switches.h"
  23 #include "content/shell/browser/shell_browser_context.h"
  24 #include "content/shell/browser/shell_net_log.h"
  25 #include "net/base/net_module.h"
  26 #include "ui/aura/env.h"
  27 #include "ui/aura/window.h"
  28 #include "ui/aura/window_tree_host.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/test/test_views_delegate.h"
  34 #include "ui/wm/core/wm_state.h"
  35
  36 #if defined(USE_X11)
  37 #include "ui/events/x/touch_factory_x11.h"
  38 #endif
  39
  40 #if defined(OS_CHROMEOS)
  41 #include "chromeos/audio/cras_audio_handler.h"
  42 #include "chromeos/dbus/dbus_thread_manager.h"
  43 #endif
  44
  45 namespace ash {
  46 namespace shell {
  47 void InitWindowTypeLauncher();
  48
  49 namespace {
  50
  51 class ShellViewsDelegate : public views::TestViewsDelegate {
  52  public:
  53   ShellViewsDelegate() {}
  54   virtual ~ShellViewsDelegate() {}
  55
  56   // Overridden from views::TestViewsDelegate:
  57   virtual views::NonClientFrameView* CreateDefaultNonClientFrameView(
  58       views::Widget* widget) override {
  59     return ash::Shell::GetInstance()->CreateDefaultNonClientFrameView(widget);
  60   }
  61   virtual void OnBeforeWidgetInit(
  62       views::Widget::InitParams* params,
  63       views::internal::NativeWidgetDelegate* delegate) override {
  64     if (params->opacity == views::Widget::InitParams::INFER_OPACITY)
  65       params->opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
  66
  67     if (params->native_widget)
  68       return;
  69
  70     if (!params->parent && !params->context && !params->child)
  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::ToolkitInitialized() {
 102   wm_state_.reset(new wm::WMState);
 103 }
 104
 105 void ShellBrowserMainParts::PreMainMessageLoopRun() {
 106   net_log_.reset(new content::ShellNetLog("ash_shell"));
 107   browser_context_.reset(new content::ShellBrowserContext(
 108       false, net_log_.get()));
 109
 110   // A ViewsDelegate is required.
 111   if (!views::ViewsDelegate::views_delegate)
 112     views::ViewsDelegate::views_delegate = new ShellViewsDelegate;
 113
 114   delegate_ = new ash::shell::ShellDelegateImpl;
 115   // The global message center state must be initialized absent
 116   // g_browser_process.
 117   message_center::MessageCenter::Initialize();
 118
 119 #if defined(OS_CHROMEOS)
 120   // Create CrasAudioHandler for testing since g_browser_process
 121   // is absent.
 122   chromeos::CrasAudioHandler::InitializeForTesting();
 123 #endif
 124
 125   ash::ShellInitParams init_params;
 126   init_params.delegate = delegate_;
 127   init_params.context_factory = content::GetContextFactory();
 128   ash::Shell::CreateInstance(init_params);
 129   delegate_->set_browser_context(browser_context_.get());
 130   ash::Shell::GetInstance()->CreateShelf();
 131   ash::Shell::GetInstance()->UpdateAfterLoginStatusChange(
 132       user::LOGGED_IN_USER);
 133
 134   window_watcher_.reset(new ash::shell::WindowWatcher);
 135   gfx::Screen* screen = Shell::GetInstance()->GetScreen();
 136   screen->AddObserver(window_watcher_.get());
 137   delegate_->SetWatcher(window_watcher_.get());
 138
 139   ash::shell::InitWindowTypeLauncher();
 140
 141   ash::Shell::GetPrimaryRootWindow()->GetHost()->Show();
 142 }
 143
 144 void ShellBrowserMainParts::PostMainMessageLoopRun() {
 145   gfx::Screen* screen = Shell::GetInstance()->GetScreen();
 146   screen->RemoveObserver(window_watcher_.get());
 147
 148   window_watcher_.reset();
 149   delegate_->SetWatcher(NULL);
 150   delegate_ = NULL;
 151   ash::Shell::DeleteInstance();
 152   // The global message center state must be shutdown absent
 153   // g_browser_process.
 154   message_center::MessageCenter::Shutdown();
 155
 156 #if defined(OS_CHROMEOS)
 157   chromeos::CrasAudioHandler::Shutdown();
 158 #endif
 159
 160   aura::Env::DeleteInstance();
 161
 162   // The keyboard may have created a WebContents. The WebContents is destroyed
 163   // with the UI, and it needs the BrowserContext to be alive during its
 164   // destruction. So destroy all of the UI elements before destroying the
 165   // browser context.
 166   browser_context_.reset();
 167 }
 168
 169 bool ShellBrowserMainParts::MainMessageLoopRun(int* result_code) {
 170   base::MessageLoopForUI::current()->Run();
 171   return true;
 172 }
 173
 174 }  // namespace shell
 175 }  // namespace ash