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1 /* | 1 /* |
2 * Copyright (C) 2007 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007 Apple 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 | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef History_h | 26 #ifndef History_h |
27 #define History_h | 27 #define History_h |
28 | 28 |
29 #include "bindings/v8/ScriptWrappable.h" | 29 #include "bindings/v8/ScriptWrappable.h" |
30 #include "bindings/v8/SerializedScriptValue.h" | 30 #include "bindings/v8/SerializedScriptValue.h" |
31 #include "core/loader/FrameLoaderTypes.h" | 31 #include "core/loader/FrameLoaderTypes.h" |
32 #include "core/frame/DOMWindowProperty.h" | 32 #include "core/frame/DOMWindowProperty.h" |
| 33 #include "heap/Handle.h" |
33 #include "wtf/Forward.h" | 34 #include "wtf/Forward.h" |
34 #include "wtf/PassRefPtr.h" | 35 #include "wtf/PassRefPtr.h" |
35 #include "wtf/RefCounted.h" | 36 #include "wtf/RefCounted.h" |
36 | 37 |
37 namespace WebCore { | 38 namespace WebCore { |
38 | 39 |
39 class LocalFrame; | 40 class LocalFrame; |
40 class KURL; | 41 class KURL; |
41 class ExecutionContext; | 42 class ExecutionContext; |
42 class ExceptionState; | 43 class ExceptionState; |
43 | 44 |
44 class History FINAL : public ScriptWrappable, public RefCounted<History>, public
DOMWindowProperty { | 45 class History FINAL : public RefCountedWillBeGarbageCollectedFinalized<History>,
public ScriptWrappable, public DOMWindowProperty { |
45 public: | 46 public: |
46 static PassRefPtr<History> create(LocalFrame* frame) { return adoptRef(new H
istory(frame)); } | 47 static PassRefPtrWillBeRawPtr<History> create(LocalFrame* frame) |
| 48 { |
| 49 return adoptRefWillBeNoop(new History(frame)); |
| 50 } |
47 | 51 |
48 unsigned length() const; | 52 unsigned length() const; |
49 SerializedScriptValue* state(); | 53 SerializedScriptValue* state(); |
50 | 54 |
51 void back(ExecutionContext*); | 55 void back(ExecutionContext*); |
52 void forward(ExecutionContext*); | 56 void forward(ExecutionContext*); |
53 void go(ExecutionContext*, int distance); | 57 void go(ExecutionContext*, int distance); |
54 | 58 |
55 bool stateChanged() const; | 59 bool stateChanged() const; |
56 bool isSameAsCurrentState(SerializedScriptValue*) const; | 60 bool isSameAsCurrentState(SerializedScriptValue*) const; |
57 | 61 |
58 void stateObjectAdded(PassRefPtr<SerializedScriptValue>, const String& title
, const String& url, UpdateBackForwardListPolicy, ExceptionState&); | 62 void stateObjectAdded(PassRefPtr<SerializedScriptValue>, const String& title
, const String& url, UpdateBackForwardListPolicy, ExceptionState&); |
59 | 63 |
| 64 void trace(Visitor*) { } |
| 65 |
60 private: | 66 private: |
61 explicit History(LocalFrame*); | 67 explicit History(LocalFrame*); |
62 | 68 |
63 KURL urlForState(const String& url); | 69 KURL urlForState(const String& url); |
64 | 70 |
65 SerializedScriptValue* stateInternal() const; | 71 SerializedScriptValue* stateInternal() const; |
66 | 72 |
67 RefPtr<SerializedScriptValue> m_lastStateObjectRequested; | 73 RefPtr<SerializedScriptValue> m_lastStateObjectRequested; |
68 }; | 74 }; |
69 | 75 |
70 } // namespace WebCore | 76 } // namespace WebCore |
71 | 77 |
72 #endif // History_h | 78 #endif // History_h |
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