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