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| 1 /* | |
| 2 * Copyright (C) 2007 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef SKY_ENGINE_CORE_FRAME_HISTORY_H_ | |
| 27 #define SKY_ENGINE_CORE_FRAME_HISTORY_H_ | |
| 28 | |
| 29 #include "sky/engine/bindings/core/v8/ScriptWrappable.h" | |
| 30 #include "sky/engine/bindings/core/v8/SerializedScriptValue.h" | |
| 31 #include "sky/engine/core/frame/DOMWindowProperty.h" | |
| 32 #include "sky/engine/core/loader/FrameLoaderTypes.h" | |
| 33 #include "sky/engine/platform/heap/Handle.h" | |
| 34 #include "sky/engine/wtf/Forward.h" | |
| 35 #include "sky/engine/wtf/PassRefPtr.h" | |
| 36 #include "sky/engine/wtf/RefCounted.h" | |
| 37 | |
| 38 namespace blink { | |
| 39 | |
| 40 class LocalFrame; | |
| 41 class KURL; | |
| 42 class ExecutionContext; | |
| 43 class ExceptionState; | |
| 44 | |
| 45 class History final : public RefCounted<History>, public ScriptWrappable, public
DOMWindowProperty { | |
| 46 DEFINE_WRAPPERTYPEINFO(); | |
| 47 public: | |
| 48 static PassRefPtr<History> create(LocalFrame* frame) | |
| 49 { | |
| 50 return adoptRef(new History(frame)); | |
| 51 } | |
| 52 | |
| 53 unsigned length() const; | |
| 54 SerializedScriptValue* state(); | |
| 55 | |
| 56 void back(ExecutionContext*); | |
| 57 void forward(ExecutionContext*); | |
| 58 void go(ExecutionContext*, int distance); | |
| 59 | |
| 60 bool stateChanged() const; | |
| 61 bool isSameAsCurrentState(SerializedScriptValue*) const; | |
| 62 | |
| 63 void stateObjectAdded(PassRefPtr<SerializedScriptValue>, const String& title
, const String& url, FrameLoadType, ExceptionState&); | |
| 64 | |
| 65 private: | |
| 66 explicit History(LocalFrame*); | |
| 67 | |
| 68 KURL urlForState(const String& url); | |
| 69 | |
| 70 SerializedScriptValue* stateInternal() const; | |
| 71 | |
| 72 RefPtr<SerializedScriptValue> m_lastStateObjectRequested; | |
| 73 }; | |
| 74 | |
| 75 } // namespace blink | |
| 76 | |
| 77 #endif // SKY_ENGINE_CORE_FRAME_HISTORY_H_ | |
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