ui/app_list/views/apps_grid_view_delegate.h

   1 // Copyright 2013 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 #ifndef UI_APP_LIST_VIEWS_APPS_GRID_VIEW_DELEGATE_H_
   6 #define UI_APP_LIST_VIEWS_APPS_GRID_VIEW_DELEGATE_H_
   7
   8 #include <string>
   9
  10 #include "base/callback_forward.h"
  11 #include "ui/app_list/app_list_export.h"
  12
  13 namespace base {
  14 class FilePath;
  15 }
  16
  17 namespace app_list {
  18
  19 class AppListItem;
  20
  21 class APP_LIST_EXPORT AppsGridViewDelegate {
  22  public:
  23   // Invoked when an item is activated on the grid view. |event_flags| contains
  24   // the flags of the keyboard/mouse event that triggers the activation request.
  25   virtual void ActivateApp(AppListItem* item, int event_flags) = 0;
  26
  27   // Gets the path to a shortcut for the app represented by |item|. |callback|
  28   // may be run immediately.
  29   virtual void GetShortcutPathForApp(
  30       const std::string& app_id,
  31       const base::Callback<void(const base::FilePath&)>& callback) = 0;
  32
  33   // Called by the root grid view to cancel a drag that started inside a folder.
  34   // This can occur when the root grid is visible for a reparent and its model
  35   // changes, necessitating a cancel of the drag operation.
  36   virtual void CancelDragInActiveFolder() = 0;
  37
  38  protected:
  39   virtual ~AppsGridViewDelegate() {}
  40 };
  41
  42 }  // namespace app_list
  43
  44 #endif  // UI_APP_LIST_VIEWS_APPS_GRID_VIEW_DELEGATE_H_