1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/*
* Copyright (C) 2008, 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JSHistory.h"
#include "ExceptionCode.h"
#include "Frame.h"
#include "JSDOMConvert.h"
#include "SerializedScriptValue.h"
#include <runtime/JSFunction.h>
using namespace JSC;
namespace WebCore {
JSValue JSHistory::state(ExecState& state) const
{
History& history = wrapped();
JSValue cachedValue = m_state.get();
if (!cachedValue.isEmpty() && !history.stateChanged())
return cachedValue;
RefPtr<SerializedScriptValue> serialized = history.state();
JSValue result = serialized ? serialized->deserialize(state, globalObject()) : jsNull();
m_state.set(state.vm(), this, result);
return result;
}
JSValue JSHistory::pushState(ExecState& state)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto argCount = state.argumentCount();
if (UNLIKELY(argCount < 2))
return throwException(&state, scope, createNotEnoughArgumentsError(&state));
auto historyState = SerializedScriptValue::create(state, state.uncheckedArgument(0));
RETURN_IF_EXCEPTION(scope, JSValue());
// FIXME: title should not be nullable.
String title = convert<IDLNullable<IDLDOMString>>(state, state.uncheckedArgument(1));
RETURN_IF_EXCEPTION(scope, JSValue());
String url;
if (argCount > 2) {
url = convert<IDLNullable<IDLUSVString>>(state, state.uncheckedArgument(2));
RETURN_IF_EXCEPTION(scope, JSValue());
}
propagateException(state, scope, wrapped().stateObjectAdded(WTFMove(historyState), title, url, History::StateObjectType::Push));
m_state.clear();
return jsUndefined();
}
JSValue JSHistory::replaceState(ExecState& state)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto argCount = state.argumentCount();
if (UNLIKELY(argCount < 2))
return throwException(&state, scope, createNotEnoughArgumentsError(&state));
auto historyState = SerializedScriptValue::create(state, state.uncheckedArgument(0));
RETURN_IF_EXCEPTION(scope, JSValue());
// FIXME: title should not be nullable.
String title = convert<IDLNullable<IDLDOMString>>(state, state.uncheckedArgument(1));
RETURN_IF_EXCEPTION(scope, JSValue());
String url;
if (argCount > 2) {
url = convert<IDLNullable<IDLUSVString>>(state, state.uncheckedArgument(2));
RETURN_IF_EXCEPTION(scope, JSValue());
}
propagateException(state, scope, wrapped().stateObjectAdded(WTFMove(historyState), title, url, History::StateObjectType::Replace));
m_state.clear();
return jsUndefined();
}
} // namespace WebCore
|
