chrome/browser/ui/ash/launcher/shell_window_launcher_controller.cc

   1 // Copyright (c) 2012 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/shell_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/chrome_launcher_controller.h"
  14 #include "chrome/browser/ui/ash/launcher/shell_window_launcher_item_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/client/activation_client.h"
  19 #include "ui/aura/root_window.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 ShellWindowLauncherController::ShellWindowLauncherController(
  39     ChromeLauncherController* owner)
  40     : owner_(owner),
  41       activation_client_(NULL) {
  42   apps::AppWindowRegistry* registry =
  43       apps::AppWindowRegistry::Get(owner->profile());
  44   registry_.insert(registry);
  45   registry->AddObserver(this);
  46   if (ash::Shell::HasInstance()) {
  47     if (ash::Shell::GetInstance()->GetPrimaryRootWindow()) {
  48       activation_client_ = aura::client::GetActivationClient(
  49           ash::Shell::GetInstance()->GetPrimaryRootWindow());
  50       if (activation_client_)
  51         activation_client_->AddObserver(this);
  52     }
  53   }
  54 }
  55
  56 ShellWindowLauncherController::~ShellWindowLauncherController() {
  57   for (std::set<apps::AppWindowRegistry*>::iterator it = registry_.begin();
  58        it != registry_.end();
  59        ++it)
  60     (*it)->RemoveObserver(this);
  61
  62   if (activation_client_)
  63     activation_client_->RemoveObserver(this);
  64   for (WindowToAppShelfIdMap::iterator iter =
  65            window_to_app_shelf_id_map_.begin();
  66        iter != window_to_app_shelf_id_map_.end(); ++iter) {
  67     iter->first->RemoveObserver(this);
  68   }
  69 }
  70
  71 void ShellWindowLauncherController::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 ShellWindowLauncherController::OnAppWindowAdded(AppWindow* app_window) {
  88   if (!ControlsWindow(app_window->GetNativeWindow()))
  89     return;
  90   RegisterApp(app_window);
  91 }
  92
  93 void ShellWindowLauncherController::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   ShellWindowLauncherItemController* 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 ShellWindowLauncherController::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 ShellWindowLauncherController::OnWindowDestroying(aura::Window* window) {
 117   if (!ControlsWindow(window))
 118     return;
 119   UnregisterApp(window);
 120 }
 121
 122 void ShellWindowLauncherController::OnWindowActivated(
 123     aura::Window* new_active,
 124     aura::Window* old_active) {
 125   // Make the newly active window the active (first) entry in the controller.
 126   ShellWindowLauncherItemController* new_controller =
 127       ControllerForWindow(new_active);
 128   if (new_controller) {
 129     new_controller->SetActiveWindow(new_active);
 130     owner_->SetItemStatus(new_controller->shelf_id(), ash::STATUS_ACTIVE);
 131   }
 132
 133   // Mark the old active window's launcher item as running (if different).
 134   ShellWindowLauncherItemController* old_controller =
 135       ControllerForWindow(old_active);
 136   if (old_controller && old_controller != new_controller)
 137     owner_->SetItemStatus(old_controller->shelf_id(), ash::STATUS_RUNNING);
 138 }
 139
 140 void ShellWindowLauncherController::RegisterApp(AppWindow* app_window) {
 141   aura::Window* window = app_window->GetNativeWindow();
 142   // Get the app's shelf identifier and add an entry to the map.
 143   DCHECK(window_to_app_shelf_id_map_.find(window) ==
 144          window_to_app_shelf_id_map_.end());
 145   const std::string app_shelf_id = GetAppShelfId(app_window);
 146   window_to_app_shelf_id_map_[window] = app_shelf_id;
 147   window->AddObserver(this);
 148
 149   // Find or create an item controller and launcher item.
 150   std::string app_id = app_window->extension()->id();
 151   ash::ShelfItemStatus status = ash::wm::IsActiveWindow(window) ?
 152       ash::STATUS_ACTIVE : 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     ShellWindowLauncherItemController* 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     ShellWindowLauncherItemController* controller =
 166         new ShellWindowLauncherItemController(
 167             type, app_shelf_id, app_id, owner_);
 168     controller->AddAppWindow(app_window, status);
 169     // If the app shelf id is not unique, and there is already a shelf
 170     // item for this app id (e.g. pinned), use that shelf item.
 171     if (app_shelf_id == app_id)
 172       shelf_id = owner_->GetShelfIDForAppID(app_id);
 173     if (shelf_id == 0) {
 174       shelf_id = owner_->CreateAppLauncherItem(controller, app_id, status);
 175       // Restore any existing app icon and flag as set.
 176       const gfx::Image& app_icon = app_window->app_icon();
 177       if (!app_icon.IsEmpty()) {
 178         owner_->SetLauncherItemImage(shelf_id, app_icon.AsImageSkia());
 179         controller->set_image_set_by_controller(true);
 180       }
 181     } else {
 182       owner_->SetItemController(shelf_id, controller);
 183     }
 184     const std::string app_shelf_id = GetAppShelfId(app_window);
 185     app_controller_map_[app_shelf_id] = controller;
 186   }
 187   owner_->SetItemStatus(shelf_id, status);
 188   ash::SetShelfIDForWindow(shelf_id, window);
 189 }
 190
 191 void ShellWindowLauncherController::UnregisterApp(aura::Window* window) {
 192   WindowToAppShelfIdMap::iterator iter1 =
 193       window_to_app_shelf_id_map_.find(window);
 194   DCHECK(iter1 != window_to_app_shelf_id_map_.end());
 195   std::string app_shelf_id = iter1->second;
 196   window_to_app_shelf_id_map_.erase(iter1);
 197   window->RemoveObserver(this);
 198
 199   AppControllerMap::iterator iter2 = app_controller_map_.find(app_shelf_id);
 200   DCHECK(iter2 != app_controller_map_.end());
 201   ShellWindowLauncherItemController* controller = iter2->second;
 202   controller->RemoveShellWindowForWindow(window);
 203   if (controller->app_window_count() == 0) {
 204     // If this is the last window associated with the app shelf id, close the
 205     // shelf item.
 206     ash::ShelfID shelf_id = controller->shelf_id();
 207     owner_->CloseLauncherItem(shelf_id);
 208     app_controller_map_.erase(iter2);
 209   }
 210 }
 211
 212 bool ShellWindowLauncherController::IsRegisteredApp(aura::Window* window) {
 213   return window_to_app_shelf_id_map_.find(window) !=
 214       window_to_app_shelf_id_map_.end();
 215 }
 216
 217 // Private Methods
 218
 219 ShellWindowLauncherItemController*
 220 ShellWindowLauncherController::ControllerForWindow(
 221     aura::Window* window) {
 222   WindowToAppShelfIdMap::iterator iter1 =
 223       window_to_app_shelf_id_map_.find(window);
 224   if (iter1 == window_to_app_shelf_id_map_.end())
 225     return NULL;
 226   std::string app_shelf_id = iter1->second;
 227   AppControllerMap::iterator iter2 = app_controller_map_.find(app_shelf_id);
 228   if (iter2 == app_controller_map_.end())
 229     return NULL;
 230   return iter2->second;
 231 }