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