Arc app integration in shelf launcher context menu

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

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/ash/launcher/extension_launcher_context_menu.h"
+
+#include "ash/shelf/shelf.h"
+#include "ash/shelf/shelf_item_delegate.h"
+#include "base/bind.h"
+#include "chrome/browser/extensions/context_menu_matcher.h"
+#include "chrome/browser/extensions/extension_util.h"
+#include "chrome/browser/prefs/incognito_mode_prefs.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
+#include "chrome/common/extensions/extension_constants.h"
+#include "chrome/grit/generated_resources.h"
+#include "content/public/common/context_menu_params.h"
+#include "grit/ash_strings.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace {
+
+bool MenuItemHasLauncherContext(const extensions::MenuItem* item) {
+  return item->contexts().Contains(extensions::MenuItem::LAUNCHER);
+}
+
+}  // name space

[khmel, 2016/03/30 00:58:46]

  // namespace

[lgcheng, 2016/03/30 02:06:25]

Done.

+
+ExtensionLauncherContextMenu::ExtensionLauncherContextMenu(
+    ChromeLauncherController* controller,
+    const ash::ShelfItem* item,
+    ash::Shelf* shelf)
+    : LauncherContextMenu(controller, item, shelf) {
+  Init();
+}
+
+ExtensionLauncherContextMenu::~ExtensionLauncherContextMenu() {}
+
+void ExtensionLauncherContextMenu::Init() {
+  extension_items_.reset(new extensions::ContextMenuMatcher(
+      controller()->profile(), this, this,
+      base::Bind(MenuItemHasLauncherContext)));
+  if (item().type == ash::TYPE_APP_SHORTCUT ||
+      item().type == ash::TYPE_WINDOWED_APP) {
+    // V1 apps can be started from the menu - but V2 apps should not.
+    if (!controller()->IsPlatformApp(item().id)) {
+      AddItem(MENU_OPEN_NEW, base::string16());
+      AddSeparator(ui::NORMAL_SEPARATOR);
+    }
+    AddPinMenu();
+    if (controller()->IsOpen(item().id)) {
+      AddItem(MENU_CLOSE,
+              l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_CLOSE));
+    }
+    if (!controller()->IsPlatformApp(item().id) &&
+        item().type != ash::TYPE_WINDOWED_APP) {
+      AddSeparator(ui::NORMAL_SEPARATOR);
+      if (extensions::util::IsNewBookmarkAppsEnabled()) {
+        // With bookmark apps enabled, hosted apps launch in a window by
+        // default. This menu item is re-interpreted as a single, toggle-able
+        // option to launch the hosted app as a tab.
+        AddCheckItemWithStringId(LAUNCH_TYPE_WINDOW,
+                                 IDS_APP_CONTEXT_MENU_OPEN_WINDOW);
+      } else {
+        AddCheckItemWithStringId(LAUNCH_TYPE_REGULAR_TAB,
+                                 IDS_APP_CONTEXT_MENU_OPEN_REGULAR);
+        AddCheckItemWithStringId(LAUNCH_TYPE_PINNED_TAB,
+                                 IDS_APP_CONTEXT_MENU_OPEN_PINNED);
+        AddCheckItemWithStringId(LAUNCH_TYPE_WINDOW,
+                                 IDS_APP_CONTEXT_MENU_OPEN_WINDOW);
+        // Even though the launch type is Full Screen it is more accurately
+        // described as Maximized in Ash.
+        AddCheckItemWithStringId(LAUNCH_TYPE_FULLSCREEN,
+                                 IDS_APP_CONTEXT_MENU_OPEN_MAXIMIZED);
+      }
+    }
+  } else if (item().type == ash::TYPE_BROWSER_SHORTCUT) {
+    AddItem(MENU_NEW_WINDOW,
+            l10n_util::GetStringUTF16(IDS_APP_LIST_NEW_WINDOW));
+    if (!controller()->IsLoggedInAsGuest()) {
+      AddItem(MENU_NEW_INCOGNITO_WINDOW,
+              l10n_util::GetStringUTF16(IDS_APP_LIST_NEW_INCOGNITO_WINDOW));
+    }
+  } else if (item().type == ash::TYPE_DIALOG) {
+    AddItem(MENU_CLOSE,
+            l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_CLOSE));
+  } else {
+    if (item().type == ash::TYPE_PLATFORM_APP) {
+      AddItem(MENU_PIN,
+              l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_PIN));
+    }
+    bool show_close_button = controller()->IsOpen(item().id);
+#if defined(OS_CHROMEOS)
+    if (extension_misc::IsImeMenuExtensionId(
+            controller()->GetAppIDForShelfID(item().id))) {
+      show_close_button = false;
+    }
+#endif
+    if (show_close_button) {
+      AddItem(MENU_CLOSE,
+              l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_CLOSE));
+    }
+  }
+  AddSeparator(ui::NORMAL_SEPARATOR);
+  if (item().type == ash::TYPE_APP_SHORTCUT ||
+      item().type == ash::TYPE_WINDOWED_APP ||
+      item().type == ash::TYPE_PLATFORM_APP) {
+    const extensions::MenuItem::ExtensionKey app_key(
+        controller()->GetAppIDForShelfID(item().id));
+    if (!app_key.empty()) {
+      int index = 0;
+      extension_items_->AppendExtensionItems(app_key, base::string16(), &index,
+                                             false);  // is_action_menu
+      AddSeparator(ui::NORMAL_SEPARATOR);
+    }
+  }
+  AddAutohideAlignmentWallpaperMenu();
+}
+
+bool ExtensionLauncherContextMenu::IsItemForCommandIdDynamic(
+    int command_id) const {
+  return command_id == MENU_OPEN_NEW;
+}
+
+base::string16 ExtensionLauncherContextMenu::GetLabelForCommandId(
+    int command_id) const {
+  if (command_id == MENU_OPEN_NEW) {
+    if (item().type == ash::TYPE_PLATFORM_APP) {

[khmel, 2016/03/30 00:58:46]

{} is not required for one-line

[lgcheng, 2016/03/30 02:06:25]

Done.

+      return l10n_util::GetStringUTF16(IDS_APP_LIST_CONTEXT_MENU_NEW_WINDOW);
+    }
+    switch (controller()->GetLaunchType(item().id)) {
+      case extensions::LAUNCH_TYPE_PINNED:
+      case extensions::LAUNCH_TYPE_REGULAR:
+        return l10n_util::GetStringUTF16(IDS_APP_LIST_CONTEXT_MENU_NEW_TAB);
+      case extensions::LAUNCH_TYPE_FULLSCREEN:
+      case extensions::LAUNCH_TYPE_WINDOW:
+        return l10n_util::GetStringUTF16(IDS_APP_LIST_CONTEXT_MENU_NEW_WINDOW);
+      default:
+        NOTREACHED();
+        return base::string16();
+    }
+  }
+  NOTREACHED();
+  return base::string16();
+}
+
+bool ExtensionLauncherContextMenu::IsCommandIdChecked(int command_id) const {
+  switch (command_id) {
+    case LAUNCH_TYPE_PINNED_TAB:
+      return controller()->GetLaunchType(item().id) ==
+             extensions::LAUNCH_TYPE_PINNED;
+    case LAUNCH_TYPE_REGULAR_TAB:
+      return controller()->GetLaunchType(item().id) ==
+             extensions::LAUNCH_TYPE_REGULAR;
+    case LAUNCH_TYPE_WINDOW:
+      return controller()->GetLaunchType(item().id) ==
+             extensions::LAUNCH_TYPE_WINDOW;
+    case LAUNCH_TYPE_FULLSCREEN:
+      return controller()->GetLaunchType(item().id) ==
+             extensions::LAUNCH_TYPE_FULLSCREEN;
+    case MENU_AUTO_HIDE:
+      return shelf()->GetAutoHideBehavior() ==
+             ash::SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS;
+    default:
+      if (command_id < MENU_ITEM_COUNT)
+        return false;
+      return (extension_items_ &&
+              extension_items_->IsCommandIdChecked(command_id));
+  }
+}
+
+bool ExtensionLauncherContextMenu::IsCommandIdEnabled(int command_id) const {
+  if (IsCommonCommandId(command_id))
+    return LauncherContextMenu::IsCommandIdEnabled(command_id);
+  switch (command_id) {
+    case MENU_NEW_WINDOW:
+      // "Normal" windows are not allowed when incognito is enforced.
+      return IncognitoModePrefs::GetAvailability(
+                 controller()->profile()->GetPrefs()) !=
+             IncognitoModePrefs::FORCED;
+    case MENU_NEW_INCOGNITO_WINDOW:
+      // Incognito windows are not allowed when incognito is disabled.
+      return IncognitoModePrefs::GetAvailability(
+                 controller()->profile()->GetPrefs()) !=
+             IncognitoModePrefs::DISABLED;
+    default:
+      if (command_id < MENU_ITEM_COUNT)
+        return true;
+      return (extension_items_ &&
+              extension_items_->IsCommandIdEnabled(command_id));
+  }
+}
+
+void ExtensionLauncherContextMenu::ExecuteCommand(int command_id,
+                                                  int event_flags) {
+  if (IsCommonCommandId(command_id))
+    return LauncherContextMenu::ExecuteCommand(command_id, event_flags);
+  switch (static_cast<MenuItem>(command_id)) {
+    case MENU_OPEN_NEW:
+      controller()->Launch(item().id, ui::EF_NONE);
+      break;
+    case LAUNCH_TYPE_PINNED_TAB:
+      controller()->SetLaunchType(item().id, extensions::LAUNCH_TYPE_PINNED);
+      break;
+    case LAUNCH_TYPE_REGULAR_TAB:
+      controller()->SetLaunchType(item().id, extensions::LAUNCH_TYPE_REGULAR);
+      break;
+    case LAUNCH_TYPE_WINDOW: {
+      extensions::LaunchType launch_type = extensions::LAUNCH_TYPE_WINDOW;
+      // With bookmark apps enabled, hosted apps can only toggle between
+      // LAUNCH_WINDOW and LAUNCH_REGULAR.
+      if (extensions::util::IsNewBookmarkAppsEnabled()) {
+        launch_type = controller()->GetLaunchType(item().id) ==
+                              extensions::LAUNCH_TYPE_WINDOW
+                          ? extensions::LAUNCH_TYPE_REGULAR
+                          : extensions::LAUNCH_TYPE_WINDOW;
+      }
+      controller()->SetLaunchType(item().id, launch_type);
+      break;
+    }
+    case LAUNCH_TYPE_FULLSCREEN:
+      controller()->SetLaunchType(item().id,
+                                  extensions::LAUNCH_TYPE_FULLSCREEN);
+      break;
+    case MENU_NEW_WINDOW:
+      controller()->CreateNewWindow();
+      break;
+    case MENU_NEW_INCOGNITO_WINDOW:
+      controller()->CreateNewIncognitoWindow();
+      break;
+    default:
+      if (extension_items_) {
+        extension_items_->ExecuteCommand(command_id, nullptr, nullptr,
+                                         content::ContextMenuParams());
+      }
+  }
+}