multi_user_window_manager.cc revision 5c02ac1a9c1b504631c0a3d2b6e737b5d738bae1 
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/session/user_info.h"
15#include "ash/shell.h"
16#include "ash/shell_delegate.h"
17#include "chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h"
18#endif
19
20namespace {
21chrome::MultiUserWindowManager* g_instance = NULL;
22}  // namespace
23
24namespace chrome {
25
26// Caching the current multi profile mode to avoid expensive detection
27// operations.
28chrome::MultiUserWindowManager::MultiProfileMode
29    chrome::MultiUserWindowManager::multi_user_mode_ =
30        chrome::MultiUserWindowManager::MULTI_PROFILE_MODE_UNINITIALIZED;
31
32// static
33MultiUserWindowManager* MultiUserWindowManager::GetInstance() {
34  return g_instance;
35}
36
37MultiUserWindowManager* 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    g_instance =
46        new MultiUserWindowManagerChromeOS(ash::Shell::GetInstance()
47                                               ->session_state_delegate()
48                                               ->GetUserInfo(0)
49                                               ->GetUserID());
50    multi_user_mode_ = MULTI_PROFILE_MODE_SEPARATED;
51    mode = ash::MultiProfileUMA::SESSION_SEPARATE_DESKTOP_MODE;
52  } else if (ash::Shell::GetInstance()->delegate()->IsMultiProfilesEnabled()) {
53    // The side by side mode is using the Single user window manager since all
54    // windows are unmanaged side by side.
55    multi_user_mode_ = MULTI_PROFILE_MODE_MIXED;
56    mode = ash::MultiProfileUMA::SESSION_SIDE_BY_SIDE_MODE;
57  }
58  ash::MultiProfileUMA::RecordSessionMode(mode);
59#endif
60  // If there was no instance created yet we create a dummy instance.
61  if (!g_instance)
62    g_instance = new MultiUserWindowManagerStub();
63
64  return g_instance;
65}
66
67// static
68MultiUserWindowManager::MultiProfileMode
69MultiUserWindowManager::GetMultiProfileMode() {
70  return multi_user_mode_;
71}
72
73// satic
74bool MultiUserWindowManager::ShouldShowAvatar(aura::Window* window) {
75  // Note: In case of the M-31 mode the window manager won't exist.
76  if (GetMultiProfileMode() == MULTI_PROFILE_MODE_SEPARATED) {
77    // If the window is shown on a different desktop than the user, it should
78    // have the avatar icon
79    MultiUserWindowManager* instance = GetInstance();
80    return !instance->IsWindowOnDesktopOfUser(window,
81                                              instance->GetWindowOwner(window));
82  }
83  return false;
84}
85
86// static
87void MultiUserWindowManager::DeleteInstance() {
88  DCHECK(g_instance);
89  delete g_instance;
90  g_instance = NULL;
91  multi_user_mode_ = MULTI_PROFILE_MODE_UNINITIALIZED;
92}
93
94void MultiUserWindowManager::SetInstanceForTest(
95    MultiUserWindowManager* instance,
96    MultiProfileMode mode) {
97  if (g_instance)
98    DeleteInstance();
99  g_instance = instance;
100  multi_user_mode_ = mode;
101}
102
103}  // namespace chrome
104