chrome/browser/ui/ash/ash_init.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 "chrome/browser/ui/ash/ash_init.h"
   6
   7 #include "ash/accelerators/accelerator_controller.h"
   8 #include "ash/ash_switches.h"
   9 #include "ash/high_contrast/high_contrast_controller.h"
  10 #include "ash/magnifier/magnification_controller.h"
  11 #include "ash/magnifier/partial_magnification_controller.h"
  12 #include "ash/shell.h"
  13 #include "base/command_line.h"
  14 #include "chrome/browser/browser_shutdown.h"
  15 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
  16 #include "chrome/browser/chromeos/accessibility/magnification_manager.h"
  17 #include "chrome/browser/lifetime/application_lifetime.h"
  18 #include "chrome/browser/ui/ash/chrome_shell_delegate.h"
  19 #include "chrome/browser/ui/ash/screenshot_taker.h"
  20 #include "chrome/common/chrome_switches.h"
  21 #include "ui/aura/env.h"
  22 #include "ui/aura/root_window.h"
  23
  24 #if defined(OS_CHROMEOS)
  25 #include "base/sys_info.h"
  26 #include "chrome/browser/ui/ash/ime_controller_chromeos.h"
  27 #include "chrome/browser/ui/ash/volume_controller_chromeos.h"
  28 #include "chromeos/chromeos_switches.h"
  29 #include "chromeos/login/login_state.h"
  30 #include "ui/base/x/x11_util.h"
  31 #endif
  32
  33 namespace chrome {
  34
  35 bool ShouldOpenAshOnStartup() {
  36 #if defined(OS_CHROMEOS)
  37   return true;
  38 #endif
  39   // TODO(scottmg): http://crbug.com/133312, will need this for Win8 too.
  40   return CommandLine::ForCurrentProcess()->HasSwitch(switches::kOpenAsh);
  41 }
  42
  43 void OpenAsh() {
  44 #if defined(OS_CHROMEOS)
  45   if (base::SysInfo::IsRunningOnChromeOS()) {
  46     // Hides the cursor outside of the Aura root window. The cursor will be
  47     // drawn within the Aura root window, and it'll remain hidden after the
  48     // Aura window is closed.
  49     ui::HideHostCursor();
  50   }
  51
  52   // Hide the mouse cursor completely at boot.
  53   if (!chromeos::LoginState::Get()->IsUserLoggedIn())
  54     ash::Shell::set_initially_hide_cursor(true);
  55 #endif
  56
  57   // Shell takes ownership of ChromeShellDelegate.
  58   ash::Shell* shell = ash::Shell::CreateInstance(new ChromeShellDelegate);
  59   shell->accelerator_controller()->SetScreenshotDelegate(
  60       scoped_ptr<ash::ScreenshotDelegate>(new ScreenshotTaker).Pass());
  61 #if defined(OS_CHROMEOS)
  62   shell->accelerator_controller()->SetImeControlDelegate(
  63       scoped_ptr<ash::ImeControlDelegate>(new ImeController).Pass());
  64   shell->high_contrast_controller()->SetEnabled(
  65       chromeos::AccessibilityManager::Get()->IsHighContrastEnabled());
  66
  67   DCHECK(chromeos::MagnificationManager::Get());
  68   bool magnifier_enabled =
  69       chromeos::MagnificationManager::Get()->IsMagnifierEnabled();
  70   ash::MagnifierType magnifier_type =
  71       chromeos::MagnificationManager::Get()->GetMagnifierType();
  72   shell->magnification_controller()->
  73       SetEnabled(magnifier_enabled && magnifier_type == ash::MAGNIFIER_FULL);
  74   shell->partial_magnification_controller()->
  75       SetEnabled(magnifier_enabled && magnifier_type == ash::MAGNIFIER_PARTIAL);
  76
  77   if (!CommandLine::ForCurrentProcess()->HasSwitch(
  78       switches::kDisableZeroBrowsersOpenForTests)) {
  79     chrome::StartKeepAlive();
  80   }
  81 #endif
  82   ash::Shell::GetPrimaryRootWindow()->GetDispatcher()->host()->Show();
  83 }
  84
  85 void CloseAsh() {
  86   // If shutdown is initiated by |BrowserX11IOErrorHandler|, don't
  87   // try to cleanup resources.
  88   if (!browser_shutdown::ShuttingDownWithoutClosingBrowsers() &&
  89       ash::Shell::HasInstance()) {
  90     ash::Shell::DeleteInstance();
  91   }
  92 }
  93
  94 }  // namespace chrome