chrome/browser/ui/ash/multi_user/multi_user_window_manager.cc

   1 // Copyright 2013 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/multi_user/multi_user_window_manager.h"
   6
   7 #include "base/logging.h"
   8 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager_stub.h"
   9
  10 #if defined(OS_CHROMEOS)
  11 #include "ash/ash_switches.h"
  12 #include "ash/multi_profile_uma.h"
  13 #include "ash/session/session_state_delegate.h"
  14 #include "ash/shell.h"
  15 #include "ash/shell_delegate.h"
  16 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h"
  17 #include "components/user_manager/user_info.h"
  18 #endif
  19
  20 namespace {
  21 chrome::MultiUserWindowManager* g_instance = NULL;
  22 }  // namespace
  23
  24 namespace chrome {
  25
  26 // Caching the current multi profile mode to avoid expensive detection
  27 // operations.
  28 chrome::MultiUserWindowManager::MultiProfileMode
  29     chrome::MultiUserWindowManager::multi_user_mode_ =
  30         chrome::MultiUserWindowManager::MULTI_PROFILE_MODE_UNINITIALIZED;
  31
  32 // static
  33 MultiUserWindowManager* MultiUserWindowManager::GetInstance() {
  34   return g_instance;
  35 }
  36
  37 MultiUserWindowManager* MultiUserWindowManager::CreateInstance() {
  38   DCHECK(!g_instance);
  39   multi_user_mode_ = MULTI_PROFILE_MODE_OFF;
  40 #if defined(OS_CHROMEOS)
  41   ash::MultiProfileUMA::SessionMode mode =
  42       ash::MultiProfileUMA::SESSION_SINGLE_USER_MODE;
  43   if (!g_instance &&
  44       ash::Shell::GetInstance()->delegate()->IsMultiProfilesEnabled()) {
  45     MultiUserWindowManagerChromeOS* manager =
  46         new MultiUserWindowManagerChromeOS(ash::Shell::GetInstance()
  47                                                ->session_state_delegate()
  48                                                ->GetUserInfo(0)
  49                                                ->GetUserID());
  50     g_instance = manager;
  51     manager->Init();
  52     multi_user_mode_ = MULTI_PROFILE_MODE_SEPARATED;
  53     mode = ash::MultiProfileUMA::SESSION_SEPARATE_DESKTOP_MODE;
  54   } else if (ash::Shell::GetInstance()->delegate()->IsMultiProfilesEnabled()) {
  55     // The side by side mode is using the Single user window manager since all
  56     // windows are unmanaged side by side.
  57     multi_user_mode_ = MULTI_PROFILE_MODE_MIXED;
  58     mode = ash::MultiProfileUMA::SESSION_SIDE_BY_SIDE_MODE;
  59   }
  60   ash::MultiProfileUMA::RecordSessionMode(mode);
  61 #endif
  62   // If there was no instance created yet we create a dummy instance.
  63   if (!g_instance)
  64     g_instance = new MultiUserWindowManagerStub();
  65
  66   return g_instance;
  67 }
  68
  69 // static
  70 MultiUserWindowManager::MultiProfileMode
  71 MultiUserWindowManager::GetMultiProfileMode() {
  72   return multi_user_mode_;
  73 }
  74
  75 // satic
  76 bool MultiUserWindowManager::ShouldShowAvatar(aura::Window* window) {
  77   // Note: In case of the M-31 mode the window manager won't exist.
  78   if (GetMultiProfileMode() == MULTI_PROFILE_MODE_SEPARATED) {
  79     // If the window is shown on a different desktop than the user, it should
  80     // have the avatar icon
  81     MultiUserWindowManager* instance = GetInstance();
  82     return !instance->IsWindowOnDesktopOfUser(window,
  83                                               instance->GetWindowOwner(window));
  84   }
  85   return false;
  86 }
  87
  88 // static
  89 void MultiUserWindowManager::DeleteInstance() {
  90   DCHECK(g_instance);
  91   delete g_instance;
  92   g_instance = NULL;
  93   multi_user_mode_ = MULTI_PROFILE_MODE_UNINITIALIZED;
  94 }
  95
  96 void MultiUserWindowManager::SetInstanceForTest(
  97     MultiUserWindowManager* instance,
  98     MultiProfileMode mode) {
  99   if (g_instance)
 100     DeleteInstance();
 101   g_instance = instance;
 102   multi_user_mode_ = mode;
 103 }
 104
 105 }  // namespace chrome