src/chrome/browser/ui/ash/launcher/app_window_launcher_controller.cc

   1 // Copyright 2014 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/app_window_launcher_controller.h"
   6
   7 #include "apps/app_window.h"
   8 #include "ash/shelf/shelf_util.h"
   9 #include "ash/shell.h"
  10 #include "ash/wm/window_util.h"
  11 #include "base/strings/stringprintf.h"
  12 #include "chrome/browser/profiles/profile.h"
  13 #include "chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h"
  14 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
  15 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
  16 #include "chrome/browser/ui/host_desktop.h"
  17 #include "extensions/common/extension.h"
  18 #include "ui/aura/window_event_dispatcher.h"
  19 #include "ui/wm/public/activation_client.h"
  20
  21 using apps::AppWindow;
  22
  23 namespace {
  24
  25 std::string GetAppShelfId(AppWindow* app_window) {
  26   if (app_window->window_type_is_panel())
  27     return base::StringPrintf("panel:%d", app_window->session_id().id());
  28   return app_window->extension()->id();
  29 }
  30
  31 bool ControlsWindow(aura::Window* window) {
  32   return chrome::GetHostDesktopTypeForNativeWindow(window) ==
  33          chrome::HOST_DESKTOP_TYPE_ASH;
  34 }
  35
  36 }  // namespace
  37
  38 AppWindowLauncherController::AppWindowLauncherController(
  39     ChromeLauncherController* owner)
  40     : owner_(owner), activation_client_(NULL) {
  41   apps::AppWindowRegistry* registry =
  42       apps::AppWindowRegistry::Get(owner->profile());
  43   registry_.insert(registry);
  44   registry->AddObserver(this);
  45   if (ash::Shell::HasInstance()) {
  46     if (ash::Shell::GetInstance()->GetPrimaryRootWindow()) {
  47       activation_client_ = aura::client::GetActivationClient(
  48           ash::Shell::GetInstance()->GetPrimaryRootWindow());
  49       if (activation_client_)
  50         activation_client_->AddObserver(this);
  51     }
  52   }
  53 }
  54
  55 AppWindowLauncherController::~AppWindowLauncherController() {
  56   for (std::set<apps::AppWindowRegistry*>::iterator it = registry_.begin();
  57        it != registry_.end();
  58        ++it)
  59     (*it)->RemoveObserver(this);
  60
  61   if (activation_client_)
  62     activation_client_->RemoveObserver(this);
  63   for (WindowToAppShelfIdMap::iterator iter =
  64            window_to_app_shelf_id_map_.begin();
  65        iter != window_to_app_shelf_id_map_.end();
  66        ++iter) {
  67     iter->first->RemoveObserver(this);
  68   }
  69 }
  70
  71 void AppWindowLauncherController::AdditionalUserAddedToSession(
  72     Profile* profile) {
  73   // TODO(skuhne): This was added for the legacy side by side mode in M32. If
  74   // this mode gets no longer pursued this special case can be removed.
  75   if (chrome::MultiUserWindowManager::GetMultiProfileMode() !=
  76       chrome::MultiUserWindowManager::MULTI_PROFILE_MODE_MIXED)
  77     return;
  78
  79   apps::AppWindowRegistry* registry = apps::AppWindowRegistry::Get(profile);
  80   if (registry_.find(registry) != registry_.end())
  81     return;
  82
  83   registry->AddObserver(this);
  84   registry_.insert(registry);
  85 }
  86
  87 void AppWindowLauncherController::OnAppWindowAdded(AppWindow* app_window) {
  88 #if !defined(OS_CHROMEOS)
  89   if (!ControlsWindow(app_window->GetNativeWindow()))
  90     return;
  91   RegisterApp(app_window);
  92 #endif
  93 }
  94
  95 void AppWindowLauncherController::OnAppWindowIconChanged(
  96     AppWindow* app_window) {
  97   if (!ControlsWindow(app_window->GetNativeWindow()))
  98     return;
  99
 100   const std::string app_shelf_id = GetAppShelfId(app_window);
 101   AppControllerMap::iterator iter = app_controller_map_.find(app_shelf_id);
 102   if (iter == app_controller_map_.end())
 103     return;
 104   AppWindowLauncherItemController* controller = iter->second;
 105   controller->set_image_set_by_controller(true);
 106   owner_->SetLauncherItemImage(controller->shelf_id(),
 107                                app_window->app_icon().AsImageSkia());
 108 }
 109
 110 void AppWindowLauncherController::OnAppWindowRemoved(AppWindow* app_window) {
 111   // Do nothing here; app_window->window() has already been deleted and
 112   // OnWindowDestroying() has been called, doing the removal.
 113 }
 114
 115 #if defined(OS_CHROMEOS)
 116 void AppWindowLauncherController::OnAppWindowShown(AppWindow* app_window) {
 117   aura::Window* window = app_window->GetNativeWindow();
 118   if (!ControlsWindow(window))
 119     return;
 120
 121   if (!IsRegisteredApp(window))
 122     RegisterApp(app_window);
 123 }
 124
 125 void AppWindowLauncherController::OnAppWindowHidden(AppWindow* app_window) {
 126   aura::Window* window = app_window->GetNativeWindow();
 127   if (!ControlsWindow(window))
 128     return;
 129
 130   if (IsRegisteredApp(window))
 131     UnregisterApp(window);
 132 }
 133 #endif
 134
 135 // Called from aura::Window::~Window(), before delegate_->OnWindowDestroyed()
 136 // which destroys AppWindow, so both |window| and the associated AppWindow
 137 // are valid here.
 138 void AppWindowLauncherController::OnWindowDestroying(aura::Window* window) {
 139   if (!ControlsWindow(window))
 140     return;
 141   UnregisterApp(window);
 142 }
 143
 144 void AppWindowLauncherController::OnWindowActivated(aura::Window* new_active,
 145                                                     aura::Window* old_active) {
 146   // Make the newly active window the active (first) entry in the controller.
 147   AppWindowLauncherItemController* new_controller =
 148       ControllerForWindow(new_active);
 149   if (new_controller) {
 150     new_controller->SetActiveWindow(new_active);
 151     owner_->SetItemStatus(new_controller->shelf_id(), ash::STATUS_ACTIVE);
 152   }
 153
 154   // Mark the old active window's launcher item as running (if different).
 155   AppWindowLauncherItemController* old_controller =
 156       ControllerForWindow(old_active);
 157   if (old_controller && old_controller != new_controller)
 158     owner_->SetItemStatus(old_controller->shelf_id(), ash::STATUS_RUNNING);
 159 }
 160
 161 void AppWindowLauncherController::RegisterApp(AppWindow* app_window) {
 162   aura::Window* window = app_window->GetNativeWindow();
 163   // Get the app's shelf identifier and add an entry to the map.
 164   DCHECK(window_to_app_shelf_id_map_.find(window) ==
 165          window_to_app_shelf_id_map_.end());
 166   const std::string app_shelf_id = GetAppShelfId(app_window);
 167   window_to_app_shelf_id_map_[window] = app_shelf_id;
 168   window->AddObserver(this);
 169
 170   // Find or create an item controller and launcher item.
 171   std::string app_id = app_window->extension()->id();
 172   ash::ShelfItemStatus status = ash::wm::IsActiveWindow(window)
 173                                     ? ash::STATUS_ACTIVE
 174                                     : ash::STATUS_RUNNING;
 175   AppControllerMap::iterator iter = app_controller_map_.find(app_shelf_id);
 176   ash::ShelfID shelf_id = 0;
 177   if (iter != app_controller_map_.end()) {
 178     AppWindowLauncherItemController* controller = iter->second;
 179     DCHECK(controller->app_id() == app_id);
 180     shelf_id = controller->shelf_id();
 181     controller->AddAppWindow(app_window, status);
 182   } else {
 183     LauncherItemController::Type type =
 184         app_window->window_type_is_panel()
 185             ? LauncherItemController::TYPE_APP_PANEL
 186             : LauncherItemController::TYPE_APP;
 187     AppWindowLauncherItemController* controller =
 188         new AppWindowLauncherItemController(type, app_shelf_id, app_id, owner_);
 189     controller->AddAppWindow(app_window, status);
 190     // If the app shelf id is not unique, and there is already a shelf
 191     // item for this app id (e.g. pinned), use that shelf item.
 192     if (app_shelf_id == app_id)
 193       shelf_id = owner_->GetShelfIDForAppID(app_id);
 194     if (shelf_id == 0) {
 195       shelf_id = owner_->CreateAppLauncherItem(controller, app_id, status);
 196       // Restore any existing app icon and flag as set.
 197       const gfx::Image& app_icon = app_window->app_icon();
 198       if (!app_icon.IsEmpty()) {
 199         owner_->SetLauncherItemImage(shelf_id, app_icon.AsImageSkia());
 200         controller->set_image_set_by_controller(true);
 201       }
 202     } else {
 203       owner_->SetItemController(shelf_id, controller);
 204     }
 205     const std::string app_shelf_id = GetAppShelfId(app_window);
 206     app_controller_map_[app_shelf_id] = controller;
 207   }
 208   owner_->SetItemStatus(shelf_id, status);
 209   ash::SetShelfIDForWindow(shelf_id, window);
 210 }
 211
 212 void AppWindowLauncherController::UnregisterApp(aura::Window* window) {
 213   WindowToAppShelfIdMap::iterator iter1 =
 214       window_to_app_shelf_id_map_.find(window);
 215   DCHECK(iter1 != window_to_app_shelf_id_map_.end());
 216   std::string app_shelf_id = iter1->second;
 217   window_to_app_shelf_id_map_.erase(iter1);
 218   window->RemoveObserver(this);
 219
 220   AppControllerMap::iterator iter2 = app_controller_map_.find(app_shelf_id);
 221   DCHECK(iter2 != app_controller_map_.end());
 222   AppWindowLauncherItemController* controller = iter2->second;
 223   controller->RemoveAppWindowForWindow(window);
 224   if (controller->app_window_count() == 0) {
 225     // If this is the last window associated with the app shelf id, close the
 226     // shelf item.
 227     ash::ShelfID shelf_id = controller->shelf_id();
 228     owner_->CloseLauncherItem(shelf_id);
 229     app_controller_map_.erase(iter2);
 230   }
 231 }
 232
 233 bool AppWindowLauncherController::IsRegisteredApp(aura::Window* window) {
 234   return window_to_app_shelf_id_map_.find(window) !=
 235          window_to_app_shelf_id_map_.end();
 236 }
 237
 238 // Private Methods
 239
 240 AppWindowLauncherItemController*
 241 AppWindowLauncherController::ControllerForWindow(aura::Window* window) {
 242   WindowToAppShelfIdMap::iterator iter1 =
 243       window_to_app_shelf_id_map_.find(window);
 244   if (iter1 == window_to_app_shelf_id_map_.end())
 245     return NULL;
 246   std::string app_shelf_id = iter1->second;
 247   AppControllerMap::iterator iter2 = app_controller_map_.find(app_shelf_id);
 248   if (iter2 == app_controller_map_.end())
 249     return NULL;
 250   return iter2->second;
 251 }