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 "ash/shell_init_params.h"
  15 #include "base/command_line.h"
  16 #include "chrome/browser/browser_shutdown.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 "content/public/browser/browser_thread.h"
  22 #include "content/public/browser/context_factory.h"
  23 #include "ui/aura/env.h"
  24 #include "ui/aura/window_tree_host.h"
  25
  26 #if defined(OS_CHROMEOS)
  27 #include "base/sys_info.h"
  28 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
  29 #include "chrome/browser/chromeos/accessibility/magnification_manager.h"
  30 #include "chrome/browser/ui/ash/ime_controller_chromeos.h"
  31 #include "chrome/browser/ui/ash/volume_controller_chromeos.h"
  32 #include "chromeos/chromeos_switches.h"
  33 #include "chromeos/login/login_state.h"
  34 #include "ui/base/x/x11_util.h"
  35 #endif
  36
  37 namespace chrome {
  38
  39 bool ShouldOpenAshOnStartup() {
  40 #if defined(OS_CHROMEOS)
  41   return true;
  42 #endif
  43   // TODO(scottmg): http://crbug.com/133312, will need this for Win8 too.
  44   return CommandLine::ForCurrentProcess()->HasSwitch(switches::kOpenAsh);
  45 }
  46
  47 void OpenAsh(gfx::AcceleratedWidget remote_window) {
  48 #if defined(OS_CHROMEOS)
  49 #if defined(USE_X11)
  50   if (base::SysInfo::IsRunningOnChromeOS()) {
  51     // Hides the cursor outside of the Aura root window. The cursor will be
  52     // drawn within the Aura root window, and it'll remain hidden after the
  53     // Aura window is closed.
  54     ui::HideHostCursor();
  55   }
  56 #endif
  57
  58   // Hide the mouse cursor completely at boot.
  59   if (!chromeos::LoginState::Get()->IsUserLoggedIn())
  60     ash::Shell::set_initially_hide_cursor(true);
  61 #endif
  62
  63   ash::ShellInitParams shell_init_params;
  64   // Shell takes ownership of ChromeShellDelegate.
  65   shell_init_params.delegate = new ChromeShellDelegate;
  66   shell_init_params.context_factory = content::GetContextFactory();
  67 #if defined(OS_WIN)
  68   shell_init_params.remote_hwnd = remote_window;
  69 #endif
  70
  71   ash::Shell* shell = ash::Shell::CreateInstance(shell_init_params);
  72   shell->accelerator_controller()->SetScreenshotDelegate(
  73       scoped_ptr<ash::ScreenshotDelegate>(new ScreenshotTaker).Pass());
  74   // TODO(flackr): Investigate exposing a blocking pool task runner to chromeos.
  75   shell->accelerometer_controller()->Initialize(
  76       content::BrowserThread::GetBlockingPool()->
  77           GetTaskRunnerWithShutdownBehavior(
  78               base::SequencedWorkerPool::SKIP_ON_SHUTDOWN));
  79 #if defined(OS_CHROMEOS)
  80   shell->accelerator_controller()->SetImeControlDelegate(
  81       scoped_ptr<ash::ImeControlDelegate>(new ImeController).Pass());
  82   shell->high_contrast_controller()->SetEnabled(
  83       chromeos::AccessibilityManager::Get()->IsHighContrastEnabled());
  84
  85   DCHECK(chromeos::MagnificationManager::Get());
  86   bool magnifier_enabled =
  87       chromeos::MagnificationManager::Get()->IsMagnifierEnabled();
  88   ash::MagnifierType magnifier_type =
  89       chromeos::MagnificationManager::Get()->GetMagnifierType();
  90   shell->magnification_controller()->
  91       SetEnabled(magnifier_enabled && magnifier_type == ash::MAGNIFIER_FULL);
  92   shell->partial_magnification_controller()->
  93       SetEnabled(magnifier_enabled && magnifier_type == ash::MAGNIFIER_PARTIAL);
  94
  95   if (!CommandLine::ForCurrentProcess()->HasSwitch(
  96       switches::kDisableZeroBrowsersOpenForTests)) {
  97     chrome::IncrementKeepAliveCount();
  98   }
  99 #endif
 100   ash::Shell::GetPrimaryRootWindow()->GetHost()->Show();
 101 }
 102
 103 void CloseAsh() {
 104   if (ash::Shell::HasInstance())
 105     ash::Shell::DeleteInstance();
 106 }
 107
 108 }  // namespace chrome