shell_browser_main_parts.cc revision c5cede9ae108bb15f6b7a8aea21c7e1fefa2834c 
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/window.h"
26#include "ui/aura/window_tree_host.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/test/test_views_delegate.h"
33#include "ui/wm/core/wm_state.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
44namespace ash {
45namespace shell {
46void InitWindowTypeLauncher();
47
48namespace {
49
50class 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 void OnBeforeWidgetInit(
61      views::Widget::InitParams* params,
62      views::internal::NativeWidgetDelegate* delegate) OVERRIDE {
63    if (params->opacity == views::Widget::InitParams::INFER_OPACITY)
64      params->opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
65
66    if (params->native_widget)
67      return;
68
69    if (!params->parent && !params->context && params->top_level)
70      params->context = Shell::GetPrimaryRootWindow();
71  }
72
73 private:
74  DISALLOW_COPY_AND_ASSIGN(ShellViewsDelegate);
75};
76
77}  // namespace
78
79ShellBrowserMainParts::ShellBrowserMainParts(
80    const content::MainFunctionParams& parameters)
81    : BrowserMainParts(),
82      delegate_(NULL) {
83}
84
85ShellBrowserMainParts::~ShellBrowserMainParts() {
86}
87
88void ShellBrowserMainParts::PreMainMessageLoopStart() {
89#if defined(USE_X11)
90  ui::TouchFactory::SetTouchDeviceListFromCommandLine();
91#endif
92}
93
94void ShellBrowserMainParts::PostMainMessageLoopStart() {
95#if defined(OS_CHROMEOS)
96  chromeos::DBusThreadManager::Initialize();
97#endif
98}
99
100void ShellBrowserMainParts::ToolkitInitialized() {
101  wm_state_.reset(new wm::WMState);
102}
103
104void ShellBrowserMainParts::PreMainMessageLoopRun() {
105  net_log_.reset(new content::ShellNetLog("ash_shell"));
106  browser_context_.reset(new content::ShellBrowserContext(
107      false, net_log_.get()));
108
109  // A ViewsDelegate is required.
110  if (!views::ViewsDelegate::views_delegate)
111    views::ViewsDelegate::views_delegate = new ShellViewsDelegate;
112
113  delegate_ = new ash::shell::ShellDelegateImpl;
114  // The global message center state must be initialized absent
115  // g_browser_process.
116  message_center::MessageCenter::Initialize();
117
118#if defined(OS_CHROMEOS)
119  // Create CrasAudioHandler for testing since g_browser_process
120  // is absent.
121  chromeos::CrasAudioHandler::InitializeForTesting();
122#endif
123
124  ash::Shell::CreateInstance(delegate_);
125  delegate_->set_browser_context(browser_context_.get());
126  ash::Shell::GetInstance()->CreateShelf();
127  ash::Shell::GetInstance()->UpdateAfterLoginStatusChange(
128      user::LOGGED_IN_USER);
129
130  window_watcher_.reset(new ash::shell::WindowWatcher);
131  gfx::Screen* screen = Shell::GetInstance()->GetScreen();
132  screen->AddObserver(window_watcher_.get());
133  delegate_->SetWatcher(window_watcher_.get());
134
135  ash::shell::InitWindowTypeLauncher();
136
137  ash::Shell::GetPrimaryRootWindow()->GetHost()->Show();
138}
139
140void 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
165bool ShellBrowserMainParts::MainMessageLoopRun(int* result_code) {
166  base::MessageLoopForUI::current()->Run();
167  return true;
168}
169
170}  // namespace shell
171}  // namespace ash
172