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
42namespace blink {
43
44void 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
62void 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
78void 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