shell_browser_main_parts.cc revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd 
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/desktop_background/desktop_background_controller.h"
8#include "ash/shell.h"
9#include "ash/shell/shell_delegate_impl.h"
10#include "ash/shell/window_watcher.h"
11#include "base/bind.h"
12#include "base/command_line.h"
13#include "base/i18n/icu_util.h"
14#include "base/message_loop.h"
15#include "base/string_number_conversions.h"
16#include "base/threading/thread.h"
17#include "base/threading/thread_restrictions.h"
18#include "content/public/common/content_switches.h"
19#include "content/shell/shell_browser_context.h"
20#include "googleurl/src/gurl.h"
21#include "net/base/net_module.h"
22#include "ui/aura/client/stacking_client.h"
23#include "ui/aura/env.h"
24#include "ui/aura/root_window.h"
25#include "ui/aura/window.h"
26#include "ui/base/resource/resource_bundle.h"
27#include "ui/base/ui_base_paths.h"
28#include "ui/compositor/compositor.h"
29#include "ui/compositor/test/compositor_test_support.h"
30#include "ui/gfx/screen.h"
31#include "ui/views/focus/accelerator_handler.h"
32#include "ui/views/test/test_views_delegate.h"
33
34#if defined(ENABLE_MESSAGE_CENTER)
35#include "ui/message_center/message_center.h"
36#endif
37
38#if defined(OS_LINUX)
39#include "ui/base/touch/touch_factory.h"
40#endif
41
42#if defined(OS_CHROMEOS)
43#include "chromeos/dbus/dbus_thread_manager.h"
44#endif
45
46namespace ash {
47namespace shell {
48void InitWindowTypeLauncher();
49
50namespace {
51class 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 bool UseTransparentWindows() const OVERRIDE {
62    // Ash uses transparent window frames.
63    return true;
64  }
65  virtual void OnBeforeWidgetInit(
66      views::Widget::InitParams* params,
67      views::internal::NativeWidgetDelegate* delegate) OVERRIDE {
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
81ShellBrowserMainParts::ShellBrowserMainParts(
82    const content::MainFunctionParams& parameters)
83    : BrowserMainParts(),
84      delegate_(NULL) {
85}
86
87ShellBrowserMainParts::~ShellBrowserMainParts() {
88}
89
90#if !defined(OS_MACOSX)
91void ShellBrowserMainParts::PreMainMessageLoopStart() {
92#if defined(OS_LINUX)
93  ui::TouchFactory::SetTouchDeviceListFromCommandLine();
94#endif
95}
96#endif
97
98void ShellBrowserMainParts::PostMainMessageLoopStart() {
99#if defined(OS_CHROMEOS)
100  chromeos::DBusThreadManager::Initialize();
101#endif
102}
103
104void ShellBrowserMainParts::PreMainMessageLoopRun() {
105  browser_context_.reset(new content::ShellBrowserContext(false));
106
107  // A ViewsDelegate is required.
108  if (!views::ViewsDelegate::views_delegate)
109    views::ViewsDelegate::views_delegate = new ShellViewsDelegate;
110
111  delegate_ = new ash::shell::ShellDelegateImpl;
112#if defined(ENABLE_MESSAGE_CENTER)
113  // The global message center state must be initialized absent
114  // g_browser_process.
115  message_center::MessageCenter::Initialize();
116#endif
117  ash::Shell::CreateInstance(delegate_);
118  ash::Shell::GetInstance()->set_browser_context(browser_context_.get());
119
120  window_watcher_.reset(new ash::shell::WindowWatcher);
121  gfx::Screen* screen = Shell::GetInstance()->GetScreen();
122  screen->AddObserver(window_watcher_.get());
123  delegate_->SetWatcher(window_watcher_.get());
124
125  ash::shell::InitWindowTypeLauncher();
126
127  DesktopBackgroundController* controller =
128      Shell::GetInstance()->desktop_background_controller();
129  if (controller->GetAppropriateResolution() == WALLPAPER_RESOLUTION_LARGE)
130    controller->SetDefaultWallpaper(kDefaultLargeWallpaper);
131  else
132    controller->SetDefaultWallpaper(kDefaultSmallWallpaper);
133
134  ash::Shell::GetPrimaryRootWindow()->ShowRootWindow();
135}
136
137void ShellBrowserMainParts::PostMainMessageLoopRun() {
138  browser_context_.reset();
139  gfx::Screen* screen = Shell::GetInstance()->GetScreen();
140  screen->RemoveObserver(window_watcher_.get());
141
142  window_watcher_.reset();
143  delegate_->SetWatcher(NULL);
144  delegate_ = NULL;
145  ash::Shell::DeleteInstance();
146#if defined(ENABLE_MESSAGE_CENTER)
147  // The global message center state must be shutdown absent
148  // g_browser_process.
149  message_center::MessageCenter::Shutdown();
150#endif
151  aura::Env::DeleteInstance();
152}
153
154bool ShellBrowserMainParts::MainMessageLoopRun(int* result_code) {
155  MessageLoopForUI::current()->Run();
156  return true;
157}
158
159}  // namespace shell
160}  // namespace ash
161