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 ASH_SHELF_SHELF_DELEGATE_H_ 6 #define ASH_SHELF_SHELF_DELEGATE_H_ 7 8 #include "ash/ash_export.h" 9 #include "ash/shelf/shelf_item_types.h" 10 11 namespace ash { 12 class Shelf; 13 14 // Delegate for the Shelf. 15 class ASH_EXPORT ShelfDelegate { 16 public: 17 // Shelf owns the delegate. 18 virtual ~ShelfDelegate() {} 19 20 // Callback used to allow delegate to perform initialization actions that 21 // depend on the Shelf being in a known state. 22 virtual void OnShelfCreated(Shelf* shelf) = 0; 23 24 // Callback used to inform the delegate that a specific shelf no longer 25 // exists. 26 virtual void OnShelfDestroyed(Shelf* shelf) = 0; 27 28 // Get the shelf ID from an application ID. 29 virtual ShelfID GetShelfIDForAppID(const std::string& app_id) = 0; 30 31 // Get the application ID for a given shelf ID. 32 virtual const std::string& GetAppIDForShelfID(ShelfID id) = 0; 33 34 // Pins an app with |app_id| to shelf. A running instance will get pinned. 35 // In case there is no running instance a new shelf item is created and 36 // pinned. 37 virtual void PinAppWithID(const std::string& app_id) = 0; 38 39 // Check if the app with |app_id_| is pinned to the shelf. 40 virtual bool IsAppPinned(const std::string& app_id) = 0; 41 42 // Checks whether the user is allowed to pin/unpin apps. Pinning may be 43 // disallowed by policy in case there is a pre-defined set of pinned apps. 44 virtual bool CanPin() const = 0; 45 46 // Unpins app item with |app_id|. 47 virtual void UnpinAppWithID(const std::string& app_id) = 0; 48 }; 49 50 } // namespace ash 51 52 #endif // ASH_SHELF_SHELF_DELEGATE_H_ 53
