src/chrome/browser/ui/ash/launcher/launcher_context_menu.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/launcher_context_menu.h"
   6
   7 #include <string>
   8
   9 #include "ash/desktop_background/user_wallpaper_delegate.h"
  10 #include "ash/metrics/user_metrics_recorder.h"
  11 #include "ash/root_window_controller.h"
  12 #include "ash/shelf/shelf_item_delegate.h"
  13 #include "ash/shelf/shelf_widget.h"
  14 #include "ash/shell.h"
  15 #include "base/bind.h"
  16 #include "base/command_line.h"
  17 #include "base/prefs/pref_service.h"
  18 #include "chrome/browser/extensions/context_menu_matcher.h"
  19 #include "chrome/browser/fullscreen.h"
  20 #include "chrome/browser/prefs/incognito_mode_prefs.h"
  21 #include "chrome/browser/profiles/profile.h"
  22 #include "chrome/browser/ui/ash/chrome_shell_delegate.h"
  23 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
  24 #include "chrome/common/chrome_switches.h"
  25 #include "chrome/common/extensions/extension_constants.h"
  26 #include "content/public/common/context_menu_params.h"
  27 #include "grit/ash_strings.h"
  28 #include "grit/generated_resources.h"
  29 #include "ui/base/l10n/l10n_util.h"
  30
  31 namespace {
  32
  33 bool MenuItemHasLauncherContext(const extensions::MenuItem* item) {
  34   return item->contexts().Contains(extensions::MenuItem::LAUNCHER);
  35 }
  36
  37 }  // namespace
  38
  39 LauncherContextMenu::LauncherContextMenu(ChromeLauncherController* controller,
  40                                          const ash::LauncherItem* item,
  41                                          aura::Window* root)
  42     : ui::SimpleMenuModel(NULL),
  43       controller_(controller),
  44       item_(*item),
  45       shelf_alignment_menu_(root),
  46       root_window_(root),
  47       item_delegate_(NULL) {
  48   DCHECK(item);
  49   DCHECK(root_window_);
  50   Init();
  51 }
  52
  53 LauncherContextMenu::LauncherContextMenu(
  54     ChromeLauncherController* controller,
  55     ash::ShelfItemDelegate* item_delegate,
  56     ash::LauncherItem* item,
  57     aura::Window* root)
  58     : ui::SimpleMenuModel(NULL),
  59       controller_(controller),
  60       item_(*item),
  61       shelf_alignment_menu_(root),
  62       root_window_(root),
  63       item_delegate_(item_delegate) {
  64   DCHECK(item);
  65   DCHECK(root_window_);
  66   Init();
  67 }
  68
  69 LauncherContextMenu::LauncherContextMenu(ChromeLauncherController* controller,
  70                                          aura::Window* root)
  71     : ui::SimpleMenuModel(NULL),
  72       controller_(controller),
  73       item_(ash::LauncherItem()),
  74       shelf_alignment_menu_(root),
  75       extension_items_(new extensions::ContextMenuMatcher(
  76           controller->profile(), this, this,
  77           base::Bind(MenuItemHasLauncherContext))),
  78       root_window_(root),
  79       item_delegate_(NULL) {
  80   DCHECK(root_window_);
  81   Init();
  82 }
  83
  84 void LauncherContextMenu::Init() {
  85   extension_items_.reset(new extensions::ContextMenuMatcher(
  86       controller_->profile(), this, this,
  87       base::Bind(MenuItemHasLauncherContext)));
  88   set_delegate(this);
  89
  90   if (is_valid_item()) {
  91     if (item_.type == ash::TYPE_APP_SHORTCUT ||
  92         item_.type == ash::TYPE_WINDOWED_APP) {
  93       // V1 apps can be started from the menu - but V2 apps should not.
  94       if  (!controller_->IsPlatformApp(item_.id)) {
  95         AddItem(MENU_OPEN_NEW, base::string16());
  96         AddSeparator(ui::NORMAL_SEPARATOR);
  97       }
  98       AddItem(
  99           MENU_PIN,
 100           l10n_util::GetStringUTF16(controller_->IsPinned(item_.id) ?
 101                                     IDS_LAUNCHER_CONTEXT_MENU_UNPIN :
 102                                     IDS_LAUNCHER_CONTEXT_MENU_PIN));
 103       if (controller_->IsOpen(item_.id)) {
 104         AddItem(MENU_CLOSE,
 105                 l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_CLOSE));
 106       }
 107       if (!controller_->IsPlatformApp(item_.id) &&
 108           item_.type != ash::TYPE_WINDOWED_APP) {
 109         AddSeparator(ui::NORMAL_SEPARATOR);
 110         if (CommandLine::ForCurrentProcess()->HasSwitch(
 111             switches::kEnableStreamlinedHostedApps)) {
 112           // Streamlined hosted apps launch in a window by default. This menu
 113           // item is re-interpreted as a single, toggle-able option to launch
 114           // the hosted app as a tab.
 115           AddCheckItemWithStringId(
 116               LAUNCH_TYPE_REGULAR_TAB,
 117               IDS_APP_CONTEXT_MENU_OPEN_TAB);
 118         } else {
 119           AddCheckItemWithStringId(
 120               LAUNCH_TYPE_REGULAR_TAB,
 121               IDS_APP_CONTEXT_MENU_OPEN_REGULAR);
 122           AddCheckItemWithStringId(
 123               LAUNCH_TYPE_PINNED_TAB,
 124               IDS_APP_CONTEXT_MENU_OPEN_PINNED);
 125           AddCheckItemWithStringId(
 126               LAUNCH_TYPE_WINDOW,
 127               IDS_APP_CONTEXT_MENU_OPEN_WINDOW);
 128           // Even though the launch type is Full Screen it is more accurately
 129           // described as Maximized in Ash.
 130           AddCheckItemWithStringId(
 131               LAUNCH_TYPE_FULLSCREEN,
 132               IDS_APP_CONTEXT_MENU_OPEN_MAXIMIZED);
 133         }
 134       }
 135     } else if (item_.type == ash::TYPE_BROWSER_SHORTCUT) {
 136       AddItem(MENU_NEW_WINDOW,
 137               l10n_util::GetStringUTF16(IDS_LAUNCHER_NEW_WINDOW));
 138       if (!controller_->IsLoggedInAsGuest()) {
 139         AddItem(MENU_NEW_INCOGNITO_WINDOW,
 140                 l10n_util::GetStringUTF16(IDS_LAUNCHER_NEW_INCOGNITO_WINDOW));
 141       }
 142     } else if (item_.type == ash::TYPE_DIALOG) {
 143       AddItem(MENU_CLOSE,
 144               l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_CLOSE));
 145     } else {
 146       if (item_.type == ash::TYPE_PLATFORM_APP) {
 147         AddItem(
 148             MENU_PIN,
 149             l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_PIN));
 150       }
 151       if (controller_->IsOpen(item_.id)) {
 152         AddItem(MENU_CLOSE,
 153                 l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_CLOSE));
 154       }
 155     }
 156     AddSeparator(ui::NORMAL_SEPARATOR);
 157     if (item_.type == ash::TYPE_APP_SHORTCUT ||
 158         item_.type == ash::TYPE_WINDOWED_APP ||
 159         item_.type == ash::TYPE_PLATFORM_APP) {
 160       std::string app_id = controller_->GetAppIDForLauncherID(item_.id);
 161       if (!app_id.empty()) {
 162         int index = 0;
 163         extension_items_->AppendExtensionItems(
 164             app_id, base::string16(), &index);
 165         AddSeparator(ui::NORMAL_SEPARATOR);
 166       }
 167     }
 168   }
 169   // In fullscreen, the launcher is either hidden or autohidden depending on
 170   // the type of fullscreen. Do not show the auto-hide menu item while in
 171   // fullscreen because it is confusing when the preference appears not to
 172   // apply.
 173   if (!IsFullScreenMode() &&
 174         controller_->CanUserModifyShelfAutoHideBehavior(root_window_)) {
 175     AddCheckItemWithStringId(MENU_AUTO_HIDE,
 176                               IDS_ASH_SHELF_CONTEXT_MENU_AUTO_HIDE);
 177   }
 178   if (ash::ShelfWidget::ShelfAlignmentAllowed()) {
 179     AddSubMenuWithStringId(MENU_ALIGNMENT_MENU,
 180                            IDS_ASH_SHELF_CONTEXT_MENU_POSITION,
 181                            &shelf_alignment_menu_);
 182   }
 183 #if defined(OS_CHROMEOS)
 184   AddItem(MENU_CHANGE_WALLPAPER,
 185        l10n_util::GetStringUTF16(IDS_AURA_SET_DESKTOP_WALLPAPER));
 186 #endif
 187 }
 188
 189 LauncherContextMenu::~LauncherContextMenu() {
 190 }
 191
 192 bool LauncherContextMenu::IsItemForCommandIdDynamic(int command_id) const {
 193   return command_id == MENU_OPEN_NEW;
 194 }
 195
 196 base::string16 LauncherContextMenu::GetLabelForCommandId(int command_id) const {
 197   if (command_id == MENU_OPEN_NEW) {
 198     if (item_.type == ash::TYPE_PLATFORM_APP) {
 199       return l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_NEW_WINDOW);
 200     }
 201     switch (controller_->GetLaunchType(item_.id)) {
 202       case extensions::LAUNCH_TYPE_PINNED:
 203       case extensions::LAUNCH_TYPE_REGULAR:
 204         return l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_NEW_TAB);
 205       case extensions::LAUNCH_TYPE_FULLSCREEN:
 206       case extensions::LAUNCH_TYPE_WINDOW:
 207         return l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_NEW_WINDOW);
 208       default:
 209         NOTREACHED();
 210         return base::string16();
 211     }
 212   }
 213   NOTREACHED();
 214   return base::string16();
 215 }
 216
 217 bool LauncherContextMenu::IsCommandIdChecked(int command_id) const {
 218   switch (command_id) {
 219     case LAUNCH_TYPE_PINNED_TAB:
 220       return controller_->GetLaunchType(item_.id) ==
 221           extensions::LAUNCH_TYPE_PINNED;
 222     case LAUNCH_TYPE_REGULAR_TAB:
 223       return controller_->GetLaunchType(item_.id) ==
 224           extensions::LAUNCH_TYPE_REGULAR;
 225     case LAUNCH_TYPE_WINDOW:
 226       return controller_->GetLaunchType(item_.id) ==
 227           extensions::LAUNCH_TYPE_WINDOW;
 228     case LAUNCH_TYPE_FULLSCREEN:
 229       return controller_->GetLaunchType(item_.id) ==
 230           extensions::LAUNCH_TYPE_FULLSCREEN;
 231     case MENU_AUTO_HIDE:
 232       return controller_->GetShelfAutoHideBehavior(root_window_) ==
 233           ash::SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS;
 234     default:
 235       return extension_items_->IsCommandIdChecked(command_id);
 236   }
 237 }
 238
 239 bool LauncherContextMenu::IsCommandIdEnabled(int command_id) const {
 240   switch (command_id) {
 241     case MENU_PIN:
 242       return controller_->IsPinnable(item_.id);
 243 #if defined(OS_CHROMEOS)
 244     case MENU_CHANGE_WALLPAPER:
 245       return ash::Shell::GetInstance()->user_wallpaper_delegate()->
 246           CanOpenSetWallpaperPage();
 247 #endif
 248     case MENU_NEW_WINDOW:
 249       // "Normal" windows are not allowed when incognito is enforced.
 250       return IncognitoModePrefs::GetAvailability(
 251           controller_->profile()->GetPrefs()) != IncognitoModePrefs::FORCED;
 252     case MENU_AUTO_HIDE:
 253       return controller_->CanUserModifyShelfAutoHideBehavior(root_window_);
 254     case MENU_NEW_INCOGNITO_WINDOW:
 255       // Incognito windows are not allowed when incognito is disabled.
 256       return IncognitoModePrefs::GetAvailability(
 257           controller_->profile()->GetPrefs()) != IncognitoModePrefs::DISABLED;
 258     default:
 259       return extension_items_->IsCommandIdEnabled(command_id);
 260   }
 261 }
 262
 263 bool LauncherContextMenu::GetAcceleratorForCommandId(
 264       int command_id,
 265       ui::Accelerator* accelerator) {
 266   return false;
 267 }
 268
 269 void LauncherContextMenu::ExecuteCommand(int command_id, int event_flags) {
 270   switch (static_cast<MenuItem>(command_id)) {
 271     case MENU_OPEN_NEW:
 272       controller_->Launch(item_.id, ui::EF_NONE);
 273       break;
 274     case MENU_CLOSE:
 275       if (item_.type == ash::TYPE_DIALOG) {
 276         DCHECK(item_delegate_);
 277         item_delegate_->Close();
 278       } else {
 279         // TODO(simonhong): Use ShelfItemDelegate::Close().
 280         controller_->Close(item_.id);
 281       }
 282       ash::Shell::GetInstance()->metrics()->RecordUserMetricsAction(
 283           ash::UMA_CLOSE_THROUGH_CONTEXT_MENU);
 284       break;
 285     case MENU_PIN:
 286       controller_->TogglePinned(item_.id);
 287       break;
 288     case LAUNCH_TYPE_PINNED_TAB:
 289       controller_->SetLaunchType(item_.id, extensions::LAUNCH_TYPE_PINNED);
 290       break;
 291     case LAUNCH_TYPE_REGULAR_TAB: {
 292       extensions::LaunchType launch_type =
 293           extensions::LAUNCH_TYPE_REGULAR;
 294       // Streamlined hosted apps can only toggle between LAUNCH_WINDOW and
 295       // LAUNCH_REGULAR.
 296       if (CommandLine::ForCurrentProcess()->HasSwitch(
 297               switches::kEnableStreamlinedHostedApps)) {
 298         launch_type = controller_->GetLaunchType(item_.id) ==
 299                     extensions::LAUNCH_TYPE_REGULAR
 300                 ? extensions::LAUNCH_TYPE_WINDOW
 301                 : extensions::LAUNCH_TYPE_REGULAR;
 302       }
 303       controller_->SetLaunchType(item_.id, launch_type);
 304       break;
 305     }
 306     case LAUNCH_TYPE_WINDOW:
 307       controller_->SetLaunchType(item_.id, extensions::LAUNCH_TYPE_WINDOW);
 308       break;
 309     case LAUNCH_TYPE_FULLSCREEN:
 310       controller_->SetLaunchType(item_.id, extensions::LAUNCH_TYPE_FULLSCREEN);
 311       break;
 312     case MENU_AUTO_HIDE:
 313       controller_->ToggleShelfAutoHideBehavior(root_window_);
 314       break;
 315     case MENU_NEW_WINDOW:
 316       controller_->CreateNewWindow();
 317       break;
 318     case MENU_NEW_INCOGNITO_WINDOW:
 319       controller_->CreateNewIncognitoWindow();
 320       break;
 321     case MENU_ALIGNMENT_MENU:
 322       break;
 323 #if defined(OS_CHROMEOS)
 324     case MENU_CHANGE_WALLPAPER:
 325       ash::Shell::GetInstance()->user_wallpaper_delegate()->
 326           OpenSetWallpaperPage();
 327       break;
 328 #endif
 329     default:
 330       extension_items_->ExecuteCommand(command_id, NULL,
 331                                        content::ContextMenuParams());
 332   }
 333 }