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 CHROME_BROWSER_UNDO_UNDO_MANAGER_UTILS_H_ 6 #define CHROME_BROWSER_UNDO_UNDO_MANAGER_UTILS_H_ 7 8 #include "base/basictypes.h" 9 10 class UndoManager; 11 12 // ScopedSuspendUndoTracking --------------------------------------------------- 13 14 // Scopes the suspension of the undo tracking for non-user initiated changes 15 // such as those occuring during profile synchronization. 16 class ScopedSuspendUndoTracking { 17 public: 18 explicit ScopedSuspendUndoTracking(UndoManager* undo_manager); 19 ~ScopedSuspendUndoTracking(); 20 21 private: 22 UndoManager* undo_manager_; 23 24 DISALLOW_COPY_AND_ASSIGN(ScopedSuspendUndoTracking); 25 }; 26 27 // ScopedGroupingAction -------------------------------------------------------- 28 29 // Scopes the grouping of a set of changes into one undoable action. 30 class ScopedGroupingAction { 31 public: 32 explicit ScopedGroupingAction(UndoManager* undo_manager); 33 ~ScopedGroupingAction(); 34 35 private: 36 UndoManager* undo_manager_; 37 38 DISALLOW_COPY_AND_ASSIGN(ScopedGroupingAction); 39 }; 40 41 #endif // CHROME_BROWSER_UNDO_UNDO_MANAGER_UTILS_H_ 42