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 176