chrome/browser/ui/ash/launcher/multi_profile_shell_window_launcher_controller.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/launcher/multi_profile_shell_window_launcher_controller.h"
   6
   7 #include "apps/shell_window.h"
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "chrome/browser/profiles/profile_manager.h"
  10 #include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
  11 #include "chrome/browser/ui/host_desktop.h"
  12
  13 namespace {
  14
  15 bool ControlsWindow(aura::Window* window) {
  16   return chrome::GetHostDesktopTypeForNativeWindow(window) ==
  17       chrome::HOST_DESKTOP_TYPE_ASH;
  18 }
  19
  20 }  // namespace
  21
  22
  23 MultiProfileShellWindowLauncherController::
  24     MultiProfileShellWindowLauncherController(
  25     ChromeLauncherController* owner)
  26     : ShellWindowLauncherController(owner) {
  27 }
  28
  29 MultiProfileShellWindowLauncherController::
  30     ~MultiProfileShellWindowLauncherController() {
  31   // We need to remove all Registry observers for added users.
  32   for (ShellWindowRegistryList::iterator it = multi_user_registry_.begin();
  33        it != multi_user_registry_.end(); ++it)
  34     (*it)->RemoveObserver(this);
  35 }
  36
  37 void MultiProfileShellWindowLauncherController::ActiveUserChanged(
  38     const std::string& user_email) {
  39   // The active user has changed and we need to traverse our list of items to
  40   // show / hide them one by one. To avoid that a user dependent state
  41   // "survives" in a launcher item, we first delete all items making sure that
  42   // nothing remains and then re-create them again.
  43   for (ShellWindowList::iterator it = shell_window_list_.begin();
  44        it != shell_window_list_.end(); ++it) {
  45     apps::ShellWindow* shell_window = *it;
  46     if (!multi_user_util::IsProfileFromActiveUser(shell_window->profile()) &&
  47         IsRegisteredApp(shell_window->GetNativeWindow()))
  48       UnregisterApp(shell_window->GetNativeWindow());
  49   }
  50   for (ShellWindowList::iterator it = shell_window_list_.begin();
  51        it != shell_window_list_.end(); ++it) {
  52     apps::ShellWindow* shell_window = *it;
  53     if (multi_user_util::IsProfileFromActiveUser(shell_window->profile()) &&
  54         !IsRegisteredApp(shell_window->GetNativeWindow()))
  55       RegisterApp(*it);
  56   }
  57 }
  58
  59 void MultiProfileShellWindowLauncherController::AdditionalUserAddedToSession(
  60     Profile* profile) {
  61   // Each users ShellRegistry needs to be observed.
  62   apps::ShellWindowRegistry* registry = apps::ShellWindowRegistry::Get(profile);
  63   multi_user_registry_.push_back(registry);
  64   registry->AddObserver(this);
  65 }
  66
  67 void MultiProfileShellWindowLauncherController::OnShellWindowAdded(
  68     apps::ShellWindow* shell_window) {
  69   if (!ControlsWindow(shell_window->GetNativeWindow()))
  70     return;
  71   shell_window_list_.push_back(shell_window);
  72   if (multi_user_util::IsProfileFromActiveUser(shell_window->profile()))
  73     RegisterApp(shell_window);
  74 }
  75
  76 void MultiProfileShellWindowLauncherController::OnShellWindowRemoved(
  77     apps::ShellWindow* shell_window) {
  78   if (!ControlsWindow(shell_window->GetNativeWindow()))
  79     return;
  80
  81   // If the application is registered with ShellWindowLauncher (because the user
  82   // is currently active), the OnWindowDestroying observer has already (or will
  83   // soon) unregister it independently from the shelf. If it was not registered
  84   // we don't need to do anything anyways. As such, all which is left to do here
  85   // is to get rid of our own reference.
  86   ShellWindowList::iterator it = std::find(shell_window_list_.begin(),
  87                                            shell_window_list_.end(),
  88                                            shell_window);
  89   DCHECK(it != shell_window_list_.end());
  90   shell_window_list_.erase(it);
  91 }