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/app_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 (AppWindowRegistryList::iterator it = multi_user_registry_.begin();
  33        it != multi_user_registry_.end();
  34        ++it)
  35     (*it)->RemoveObserver(this);
  36 }
  37
  38 void MultiProfileShellWindowLauncherController::ActiveUserChanged(
  39     const std::string& user_email) {
  40   // The active user has changed and we need to traverse our list of items to
  41   // show / hide them one by one. To avoid that a user dependent state
  42   // "survives" in a launcher item, we first delete all items making sure that
  43   // nothing remains and then re-create them again.
  44   for (AppWindowList::iterator it = app_window_list_.begin();
  45        it != app_window_list_.end();
  46        ++it) {
  47     apps::AppWindow* app_window = *it;
  48     Profile* profile =
  49         Profile::FromBrowserContext(app_window->browser_context());
  50     if (!multi_user_util::IsProfileFromActiveUser(profile) &&
  51         IsRegisteredApp(app_window->GetNativeWindow()))
  52       UnregisterApp(app_window->GetNativeWindow());
  53   }
  54   for (AppWindowList::iterator it = app_window_list_.begin();
  55        it != app_window_list_.end();
  56        ++it) {
  57     apps::AppWindow* app_window = *it;
  58     Profile* profile =
  59         Profile::FromBrowserContext(app_window->browser_context());
  60     if (multi_user_util::IsProfileFromActiveUser(profile) &&
  61         !IsRegisteredApp(app_window->GetNativeWindow()))
  62       RegisterApp(*it);
  63   }
  64 }
  65
  66 void MultiProfileShellWindowLauncherController::AdditionalUserAddedToSession(
  67     Profile* profile) {
  68   // Each users AppWindowRegistry needs to be observed.
  69   apps::AppWindowRegistry* registry = apps::AppWindowRegistry::Get(profile);
  70   multi_user_registry_.push_back(registry);
  71   registry->AddObserver(this);
  72 }
  73
  74 void MultiProfileShellWindowLauncherController::OnAppWindowAdded(
  75     apps::AppWindow* app_window) {
  76   if (!ControlsWindow(app_window->GetNativeWindow()))
  77     return;
  78   app_window_list_.push_back(app_window);
  79   Profile* profile = Profile::FromBrowserContext(app_window->browser_context());
  80   if (multi_user_util::IsProfileFromActiveUser(profile))
  81     RegisterApp(app_window);
  82 }
  83
  84 void MultiProfileShellWindowLauncherController::OnAppWindowRemoved(
  85     apps::AppWindow* app_window) {
  86   if (!ControlsWindow(app_window->GetNativeWindow()))
  87     return;
  88
  89   // If the application is registered with ShellWindowLauncher (because the user
  90   // is currently active), the OnWindowDestroying observer has already (or will
  91   // soon) unregister it independently from the shelf. If it was not registered
  92   // we don't need to do anything anyways. As such, all which is left to do here
  93   // is to get rid of our own reference.
  94   AppWindowList::iterator it =
  95       std::find(app_window_list_.begin(), app_window_list_.end(), app_window);
  96   DCHECK(it != app_window_list_.end());
  97   app_window_list_.erase(it);
  98 }