src/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/accelerometer/accelerometer_controller.h"
   9 #include "ash/ash_switches.h"
  10 #include "ash/high_contrast/high_contrast_controller.h"
  11 #include "ash/magnifier/magnification_controller.h"
  12 #include "ash/magnifier/partial_magnification_controller.h"
  13 #include "ash/shell.h"
  14 #include "base/command_line.h"
  15 #include "chrome/browser/browser_shutdown.h"
  16 #include "chrome/browser/lifetime/application_lifetime.h"
  17 #include "chrome/browser/ui/ash/chrome_shell_delegate.h"
  18 #include "chrome/browser/ui/ash/screenshot_taker.h"
  19 #include "chrome/common/chrome_switches.h"
  20 #include "content/public/browser/browser_thread.h"
  21 #include "ui/aura/env.h"
  22 #include "ui/aura/window_tree_host.h"
  23
  24 #if defined(OS_CHROMEOS)
  25 #include "base/sys_info.h"
  26 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
  27 #include "chrome/browser/chromeos/accessibility/magnification_manager.h"
  28 #include "chrome/browser/ui/ash/ime_controller_chromeos.h"
  29 #include "chrome/browser/ui/ash/volume_controller_chromeos.h"
  30 #include "chromeos/chromeos_switches.h"
  31 #include "chromeos/login/login_state.h"
  32 #include "ui/base/x/x11_util.h"
  33 #endif
  34
  35 namespace chrome {
  36
  37 bool ShouldOpenAshOnStartup() {
  38 #if defined(OS_CHROMEOS)
  39   return true;
  40 #endif
  41   // TODO(scottmg): http://crbug.com/133312, will need this for Win8 too.
  42   return CommandLine::ForCurrentProcess()->HasSwitch(switches::kOpenAsh);
  43 }
  44
  45 void OpenAsh() {
  46 #if defined(OS_CHROMEOS)
  47   if (base::SysInfo::IsRunningOnChromeOS()) {
  48     // Hides the cursor outside of the Aura root window. The cursor will be
  49     // drawn within the Aura root window, and it'll remain hidden after the
  50     // Aura window is closed.
  51     ui::HideHostCursor();
  52   }
  53
  54   // Hide the mouse cursor completely at boot.
  55   if (!chromeos::LoginState::Get()->IsUserLoggedIn())
  56     ash::Shell::set_initially_hide_cursor(true);
  57 #endif
  58
  59   // Shell takes ownership of ChromeShellDelegate.
  60   ash::Shell* shell = ash::Shell::CreateInstance(new ChromeShellDelegate);
  61   shell->accelerator_controller()->SetScreenshotDelegate(
  62       scoped_ptr<ash::ScreenshotDelegate>(new ScreenshotTaker).Pass());
  63   // TODO(flackr): Investigate exposing a blocking pool task runner to chromeos.
  64   shell->accelerometer_controller()->Initialize(
  65       content::BrowserThread::GetBlockingPool()->
  66           GetTaskRunnerWithShutdownBehavior(
  67               base::SequencedWorkerPool::SKIP_ON_SHUTDOWN));
  68 #if defined(OS_CHROMEOS)
  69   shell->accelerator_controller()->SetImeControlDelegate(
  70       scoped_ptr<ash::ImeControlDelegate>(new ImeController).Pass());
  71   shell->high_contrast_controller()->SetEnabled(
  72       chromeos::AccessibilityManager::Get()->IsHighContrastEnabled());
  73
  74   DCHECK(chromeos::MagnificationManager::Get());
  75   bool magnifier_enabled =
  76       chromeos::MagnificationManager::Get()->IsMagnifierEnabled();
  77   ash::MagnifierType magnifier_type =
  78       chromeos::MagnificationManager::Get()->GetMagnifierType();
  79   shell->magnification_controller()->
  80       SetEnabled(magnifier_enabled && magnifier_type == ash::MAGNIFIER_FULL);
  81   shell->partial_magnification_controller()->
  82       SetEnabled(magnifier_enabled && magnifier_type == ash::MAGNIFIER_PARTIAL);
  83
  84   if (!CommandLine::ForCurrentProcess()->HasSwitch(
  85       switches::kDisableZeroBrowsersOpenForTests)) {
  86     chrome::IncrementKeepAliveCount();
  87   }
  88 #endif
  89   ash::Shell::GetPrimaryRootWindow()->GetHost()->Show();
  90 }
  91
  92 void CloseAsh() {
  93   if (ash::Shell::HasInstance())
  94     ash::Shell::DeleteInstance();
  95 }
  96
  97 }  // namespace chrome