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 (!ControlsWindow(app_window->GetNativeWindow()))
  89     return;
  90   RegisterApp(app_window);
  91 }
  92
  93 void AppWindowLauncherController::OnAppWindowIconChanged(
  94     AppWindow* app_window) {
  95   if (!ControlsWindow(app_window->GetNativeWindow()))
  96     return;
  97
  98   const std::string app_shelf_id = GetAppShelfId(app_window);
  99   AppControllerMap::iterator iter = app_controller_map_.find(app_shelf_id);
 100   if (iter == app_controller_map_.end())
 101     return;
 102   AppWindowLauncherItemController* controller = iter->second;
 103   controller->set_image_set_by_controller(true);
 104   owner_->SetLauncherItemImage(controller->shelf_id(),
 105                                app_window->app_icon().AsImageSkia());
 106 }
 107
 108 void AppWindowLauncherController::OnAppWindowRemoved(AppWindow* app_window) {
 109   // Do nothing here; app_window->window() has already been deleted and
 110   // OnWindowDestroying() has been called, doing the removal.
 111 }
 112
 113 // Called from aura::Window::~Window(), before delegate_->OnWindowDestroyed()
 114 // which destroys AppWindow, so both |window| and the associated AppWindow
 115 // are valid here.
 116 void AppWindowLauncherController::OnWindowDestroying(aura::Window* window) {
 117   if (!ControlsWindow(window))
 118     return;
 119   UnregisterApp(window);
 120 }
 121
 122 void AppWindowLauncherController::OnWindowActivated(aura::Window* new_active,
 123                                                     aura::Window* old_active) {
 124   // Make the newly active window the active (first) entry in the controller.
 125   AppWindowLauncherItemController* new_controller =
 126       ControllerForWindow(new_active);
 127   if (new_controller) {
 128     new_controller->SetActiveWindow(new_active);
 129     owner_->SetItemStatus(new_controller->shelf_id(), ash::STATUS_ACTIVE);
 130   }
 131
 132   // Mark the old active window's launcher item as running (if different).
 133   AppWindowLauncherItemController* old_controller =
 134       ControllerForWindow(old_active);
 135   if (old_controller && old_controller != new_controller)
 136     owner_->SetItemStatus(old_controller->shelf_id(), ash::STATUS_RUNNING);
 137 }
 138
 139 void AppWindowLauncherController::RegisterApp(AppWindow* app_window) {
 140   aura::Window* window = app_window->GetNativeWindow();
 141   // Get the app's shelf identifier and add an entry to the map.
 142   DCHECK(window_to_app_shelf_id_map_.find(window) ==
 143          window_to_app_shelf_id_map_.end());
 144   const std::string app_shelf_id = GetAppShelfId(app_window);
 145   window_to_app_shelf_id_map_[window] = app_shelf_id;
 146   window->AddObserver(this);
 147
 148   // Find or create an item controller and launcher item.
 149   std::string app_id = app_window->extension()->id();
 150   ash::ShelfItemStatus status = ash::wm::IsActiveWindow(window)
 151                                     ? ash::STATUS_ACTIVE
 152                                     : ash::STATUS_RUNNING;
 153   AppControllerMap::iterator iter = app_controller_map_.find(app_shelf_id);
 154   ash::ShelfID shelf_id = 0;
 155   if (iter != app_controller_map_.end()) {
 156     AppWindowLauncherItemController* controller = iter->second;
 157     DCHECK(controller->app_id() == app_id);
 158     shelf_id = controller->shelf_id();
 159     controller->AddAppWindow(app_window, status);
 160   } else {
 161     LauncherItemController::Type type =
 162         app_window->window_type_is_panel()
 163             ? LauncherItemController::TYPE_APP_PANEL
 164             : LauncherItemController::TYPE_APP;
 165     AppWindowLauncherItemController* controller =
 166         new AppWindowLauncherItemController(type, app_shelf_id, app_id, owner_);
 167     controller->AddAppWindow(app_window, status);
 168     // If the app shelf id is not unique, and there is already a shelf
 169     // item for this app id (e.g. pinned), use that shelf item.
 170     if (app_shelf_id == app_id)
 171       shelf_id = owner_->GetShelfIDForAppID(app_id);
 172     if (shelf_id == 0) {
 173       shelf_id = owner_->CreateAppLauncherItem(controller, app_id, status);
 174       // Restore any existing app icon and flag as set.
 175       const gfx::Image& app_icon = app_window->app_icon();
 176       if (!app_icon.IsEmpty()) {
 177         owner_->SetLauncherItemImage(shelf_id, app_icon.AsImageSkia());
 178         controller->set_image_set_by_controller(true);
 179       }
 180     } else {
 181       owner_->SetItemController(shelf_id, controller);
 182     }
 183     const std::string app_shelf_id = GetAppShelfId(app_window);
 184     app_controller_map_[app_shelf_id] = controller;
 185   }
 186   owner_->SetItemStatus(shelf_id, status);
 187   ash::SetShelfIDForWindow(shelf_id, window);
 188 }
 189
 190 void AppWindowLauncherController::UnregisterApp(aura::Window* window) {
 191   WindowToAppShelfIdMap::iterator iter1 =
 192       window_to_app_shelf_id_map_.find(window);
 193   DCHECK(iter1 != window_to_app_shelf_id_map_.end());
 194   std::string app_shelf_id = iter1->second;
 195   window_to_app_shelf_id_map_.erase(iter1);
 196   window->RemoveObserver(this);
 197
 198   AppControllerMap::iterator iter2 = app_controller_map_.find(app_shelf_id);
 199   DCHECK(iter2 != app_controller_map_.end());
 200   AppWindowLauncherItemController* controller = iter2->second;
 201   controller->RemoveAppWindowForWindow(window);
 202   if (controller->app_window_count() == 0) {
 203     // If this is the last window associated with the app shelf id, close the
 204     // shelf item.
 205     ash::ShelfID shelf_id = controller->shelf_id();
 206     owner_->CloseLauncherItem(shelf_id);
 207     app_controller_map_.erase(iter2);
 208   }
 209 }
 210
 211 bool AppWindowLauncherController::IsRegisteredApp(aura::Window* window) {
 212   return window_to_app_shelf_id_map_.find(window) !=
 213          window_to_app_shelf_id_map_.end();
 214 }
 215
 216 // Private Methods
 217
 218 AppWindowLauncherItemController*
 219 AppWindowLauncherController::ControllerForWindow(aura::Window* window) {
 220   WindowToAppShelfIdMap::iterator iter1 =
 221       window_to_app_shelf_id_map_.find(window);
 222   if (iter1 == window_to_app_shelf_id_map_.end())
 223     return NULL;
 224   std::string app_shelf_id = iter1->second;
 225   AppControllerMap::iterator iter2 = app_controller_map_.find(app_shelf_id);
 226   if (iter2 == app_controller_map_.end())
 227     return NULL;
 228   return iter2->second;
 229 }