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 "ash/wm/event_rewriter_event_filter.h" 14 #include "base/command_line.h" 15 #include "chrome/browser/browser_shutdown.h" 16 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h" 17 #include "chrome/browser/chromeos/accessibility/magnification_manager.h" 18 #include "chrome/browser/lifetime/application_lifetime.h" 19 #include "chrome/browser/ui/ash/chrome_shell_delegate.h" 20 #include "chrome/browser/ui/ash/event_rewriter.h" 21 #include "chrome/browser/ui/ash/screenshot_taker.h" 22 #include "chrome/common/chrome_switches.h" 23 #include "ui/aura/env.h" 24 #include "ui/aura/root_window.h" 25 26 #if defined(OS_CHROMEOS) 27 #include "base/sys_info.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 ShouldOpenAshOnStartup()37bool 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 OpenAsh()45void 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->event_rewriter_filter()->SetEventRewriterDelegate( 62 scoped_ptr<ash::EventRewriterDelegate>(new EventRewriter).Pass()); 63 shell->accelerator_controller()->SetScreenshotDelegate( 64 scoped_ptr<ash::ScreenshotDelegate>(new ScreenshotTaker).Pass()); 65 #if defined(OS_CHROMEOS) 66 shell->accelerator_controller()->SetImeControlDelegate( 67 scoped_ptr<ash::ImeControlDelegate>(new ImeController).Pass()); 68 ash::Shell::GetInstance()->high_contrast_controller()->SetEnabled( 69 chromeos::AccessibilityManager::Get()->IsHighContrastEnabled()); 70 71 DCHECK(chromeos::MagnificationManager::Get()); 72 bool magnifier_enabled = 73 chromeos::MagnificationManager::Get()->IsMagnifierEnabled(); 74 ash::MagnifierType magnifier_type = 75 chromeos::MagnificationManager::Get()->GetMagnifierType(); 76 ash::Shell::GetInstance()->magnification_controller()-> 77 SetEnabled(magnifier_enabled && magnifier_type == ash::MAGNIFIER_FULL); 78 ash::Shell::GetInstance()->partial_magnification_controller()-> 79 SetEnabled(magnifier_enabled && magnifier_type == ash::MAGNIFIER_PARTIAL); 80 81 if (!CommandLine::ForCurrentProcess()->HasSwitch( 82 switches::kDisableZeroBrowsersOpenForTests)) { 83 chrome::StartKeepAlive(); 84 } 85 #endif 86 ash::Shell::GetPrimaryRootWindow()->GetDispatcher()->host()->Show(); 87 } 88 CloseAsh()89void CloseAsh() { 90 // If shutdown is initiated by |BrowserX11IOErrorHandler|, don't 91 // try to cleanup resources. 92 if (!browser_shutdown::ShuttingDownWithoutClosingBrowsers() && 93 ash::Shell::HasInstance()) { 94 ash::Shell::DeleteInstance(); 95 } 96 } 97 98 } // namespace chrome 99