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1 /*
2  * Copyright (C) 2009 Google 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 are
6  * met:
7  *
8  *     * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  *     * Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
13  * distribution.
14  *     * Neither the name of Google Inc. nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "config.h"
32 #include "bindings/core/v8/V8History.h"
33 
34 #include "bindings/core/v8/ExceptionState.h"
35 #include "bindings/core/v8/SerializedScriptValue.h"
36 #include "bindings/core/v8/V8Binding.h"
37 #include "bindings/core/v8/V8HiddenValue.h"
38 #include "bindings/core/v8/V8Window.h"
39 #include "core/dom/ExceptionCode.h"
40 #include "core/frame/History.h"
41 
42 namespace blink {
43 
stateAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value> & info)44 void V8History::stateAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
45 {
46     History* history = V8History::toImpl(info.Holder());
47 
48     v8::Handle<v8::Value> value = V8HiddenValue::getHiddenValue(info.GetIsolate(), info.Holder(), V8HiddenValue::state(info.GetIsolate()));
49 
50     if (!value.IsEmpty() && !history->stateChanged()) {
51         v8SetReturnValue(info, value);
52         return;
53     }
54 
55     RefPtr<SerializedScriptValue> serialized = history->state();
56     value = serialized ? serialized->deserialize(info.GetIsolate()) : v8::Handle<v8::Value>(v8::Null(info.GetIsolate()));
57     V8HiddenValue::setHiddenValue(info.GetIsolate(), info.Holder(), V8HiddenValue::state(info.GetIsolate()), value);
58 
59     v8SetReturnValue(info, value);
60 }
61 
pushStateMethodCustom(const v8::FunctionCallbackInfo<v8::Value> & info)62 void V8History::pushStateMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
63 {
64     ExceptionState exceptionState(ExceptionState::ExecutionContext, "pushState", "History", info.Holder(), info.GetIsolate());
65     RefPtr<SerializedScriptValue> historyState = SerializedScriptValue::create(info[0], 0, 0, exceptionState, info.GetIsolate());
66     if (exceptionState.throwIfNeeded())
67         return;
68 
69     TOSTRING_VOID(V8StringResource<TreatNullAndUndefinedAsNullString>, title, info[1]);
70     TOSTRING_VOID(V8StringResource<TreatNullAndUndefinedAsNullString>, url, info[2]);
71 
72     History* history = V8History::toImpl(info.Holder());
73     history->stateObjectAdded(historyState.release(), title, url, FrameLoadTypeStandard, exceptionState);
74     V8HiddenValue::deleteHiddenValue(info.GetIsolate(), info.Holder(), V8HiddenValue::state(info.GetIsolate()));
75     exceptionState.throwIfNeeded();
76 }
77 
replaceStateMethodCustom(const v8::FunctionCallbackInfo<v8::Value> & info)78 void V8History::replaceStateMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
79 {
80     ExceptionState exceptionState(ExceptionState::ExecutionContext, "replaceState", "History", info.Holder(), info.GetIsolate());
81     RefPtr<SerializedScriptValue> historyState = SerializedScriptValue::create(info[0], 0, 0, exceptionState, info.GetIsolate());
82     if (exceptionState.throwIfNeeded())
83         return;
84 
85     TOSTRING_VOID(V8StringResource<TreatNullAndUndefinedAsNullString>, title, info[1]);
86     TOSTRING_VOID(V8StringResource<TreatNullAndUndefinedAsNullString>, url, info[2]);
87 
88     History* history = V8History::toImpl(info.Holder());
89     history->stateObjectAdded(historyState.release(), title, url, FrameLoadTypeRedirectWithLockedBackForwardList, exceptionState);
90     V8HiddenValue::deleteHiddenValue(info.GetIsolate(), info.Holder(), V8HiddenValue::state(info.GetIsolate()));
91     exceptionState.throwIfNeeded();
92 }
93 
94 } // namespace blink
95