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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "components/undo/undo_manager.h" | 5 #include "components/undo/undo_manager.h" |
| 6 | 6 |
| 7 #include <utility> | 7 #include <utility> |
| 8 | 8 |
| 9 #include "base/auto_reset.h" | 9 #include "base/auto_reset.h" |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
| 11 #include "base/memory/ptr_util.h" | 11 #include "base/memory/ptr_util.h" |
| 12 #include "components/strings/grit/components_strings.h" |
| 12 #include "components/undo/undo_manager_observer.h" | 13 #include "components/undo/undo_manager_observer.h" |
| 13 #include "components/undo/undo_operation.h" | 14 #include "components/undo/undo_operation.h" |
| 14 #include "grit/components_strings.h" | |
| 15 #include "ui/base/l10n/l10n_util.h" | 15 #include "ui/base/l10n/l10n_util.h" |
| 16 | 16 |
| 17 namespace { | 17 namespace { |
| 18 | 18 |
| 19 // Maximum number of changes that can be undone. | 19 // Maximum number of changes that can be undone. |
| 20 const size_t kMaxUndoGroups = 100; | 20 const size_t kMaxUndoGroups = 100; |
| 21 | 21 |
| 22 } // namespace | 22 } // namespace |
| 23 | 23 |
| 24 // UndoGroup ------------------------------------------------------------------ | 24 // UndoGroup ------------------------------------------------------------------ |
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| 192 // Limit the number of undo levels so the undo stack does not grow unbounded. | 192 // Limit the number of undo levels so the undo stack does not grow unbounded. |
| 193 if (GetActiveUndoGroup()->size() > kMaxUndoGroups) | 193 if (GetActiveUndoGroup()->size() > kMaxUndoGroups) |
| 194 GetActiveUndoGroup()->erase(GetActiveUndoGroup()->begin()); | 194 GetActiveUndoGroup()->erase(GetActiveUndoGroup()->begin()); |
| 195 | 195 |
| 196 NotifyOnUndoManagerStateChange(); | 196 NotifyOnUndoManagerStateChange(); |
| 197 } | 197 } |
| 198 | 198 |
| 199 std::vector<std::unique_ptr<UndoGroup>>* UndoManager::GetActiveUndoGroup() { | 199 std::vector<std::unique_ptr<UndoGroup>>* UndoManager::GetActiveUndoGroup() { |
| 200 return performing_undo_ ? &redo_actions_ : &undo_actions_; | 200 return performing_undo_ ? &redo_actions_ : &undo_actions_; |
| 201 } | 201 } |
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