chrome/browser/undo/undo_manager_utils.cc

   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 #include "chrome/browser/undo/undo_manager_utils.h"
   6
   7 #include "chrome/browser/undo/undo_manager.h"
   8
   9 // ScopedSuspendUndoTracking --------------------------------------------------
  10
  11 ScopedSuspendUndoTracking::ScopedSuspendUndoTracking(UndoManager* undo_manager)
  12     : undo_manager_(undo_manager) {
  13   undo_manager_->SuspendUndoTracking();
  14 }
  15
  16 ScopedSuspendUndoTracking::~ScopedSuspendUndoTracking() {
  17   undo_manager_->ResumeUndoTracking();
  18 }
  19
  20 // ScopedGroupingAction -------------------------------------------------------
  21
  22 ScopedGroupingAction::ScopedGroupingAction(UndoManager* undo_manager)
  23     : undo_manager_(undo_manager) {
  24   undo_manager_->StartGroupingActions();
  25 }
  26
  27 ScopedGroupingAction::~ScopedGroupingAction() {
  28   undo_manager_->EndGroupingActions();
  29 }