chrome/browser/undo/undo_manager_utils.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 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_