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| 1 /* | 1 /* |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 22 matching lines...) Expand all Loading... |
| 33 | 33 |
| 34 #include "platform/heap/Handle.h" | 34 #include "platform/heap/Handle.h" |
| 35 #include "wtf/Deque.h" | 35 #include "wtf/Deque.h" |
| 36 #include "wtf/Forward.h" | 36 #include "wtf/Forward.h" |
| 37 | 37 |
| 38 namespace blink { | 38 namespace blink { |
| 39 | 39 |
| 40 class LocalFrame; | 40 class LocalFrame; |
| 41 class UndoStep; | 41 class UndoStep; |
| 42 | 42 |
| 43 // |UndoStack| is owned by and always 1:1 to |Editor|. Since |Editor| is 1:1 to |
| 44 // |LocalFrame|, |UndoStack| is also 1:1 to |LocalFrame|. |
| 43 class UndoStack final : public GarbageCollected<UndoStack> { | 45 class UndoStack final : public GarbageCollected<UndoStack> { |
| 44 WTF_MAKE_NONCOPYABLE(UndoStack); | 46 WTF_MAKE_NONCOPYABLE(UndoStack); |
| 45 public: | 47 public: |
| 46 static UndoStack* create(); | 48 static UndoStack* create(); |
| 47 | 49 |
| 48 void registerUndoStep(UndoStep*); | 50 void registerUndoStep(UndoStep*); |
| 49 void registerRedoStep(UndoStep*); | 51 void registerRedoStep(UndoStep*); |
| 50 void didUnloadFrame(const LocalFrame&); | |
| 51 bool canUndo() const; | 52 bool canUndo() const; |
| 52 bool canRedo() const; | 53 bool canRedo() const; |
| 53 void undo(); | 54 void undo(); |
| 54 void redo(); | 55 void redo(); |
| 55 | 56 |
| 56 DECLARE_TRACE(); | 57 DECLARE_TRACE(); |
| 57 | 58 |
| 58 private: | 59 private: |
| 59 UndoStack(); | 60 UndoStack(); |
| 60 | 61 |
| 61 typedef HeapDeque<Member<UndoStep>> UndoStepStack; | 62 typedef HeapDeque<Member<UndoStep>> UndoStepStack; |
| 62 | 63 |
| 63 void filterOutUndoSteps(UndoStepStack&, const LocalFrame&); | |
| 64 | |
| 65 bool m_inRedo; | 64 bool m_inRedo; |
| 66 UndoStepStack m_undoStack; | 65 UndoStepStack m_undoStack; |
| 67 UndoStepStack m_redoStack; | 66 UndoStepStack m_redoStack; |
| 68 }; | 67 }; |
| 69 | 68 |
| 70 } // namespace blink | 69 } // namespace blink |
| 71 | 70 |
| 72 #endif | 71 #endif |
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Chromium Code Reviews
Issue 2110543008:
Move UndoStack from Page to Editor (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master