1/*
2 * Copyright (C) 2009 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 INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#include "config.h"
26#include "WebKitDLL.h"
27#include "WebSerializedJSValue.h"
28
29#include <WebCore/SerializedScriptValue.h>
30
31using namespace WebCore;
32
33WebSerializedJSValue::WebSerializedJSValue()
34    : m_refCount(0)
35{
36    ++gClassCount;
37    gClassNameCount.add("WebSerializedJSValue");
38}
39
40WebSerializedJSValue::~WebSerializedJSValue()
41{
42    --gClassCount;
43    gClassNameCount.remove("WebSerializedJSValue");
44}
45
46COMPtr<WebSerializedJSValue> WebSerializedJSValue::createInstance()
47{
48    return new WebSerializedJSValue();
49}
50
51ULONG WebSerializedJSValue::AddRef()
52{
53    return ++m_refCount;
54}
55
56ULONG WebSerializedJSValue::Release()
57{
58    ULONG newRefCount = --m_refCount;
59    if (!newRefCount)
60        delete this;
61    return newRefCount;
62}
63
64HRESULT WebSerializedJSValue::QueryInterface(REFIID riid, void** ppvObject)
65{
66    if (!ppvObject)
67        return E_POINTER;
68    *ppvObject = 0;
69
70    if (IsEqualIID(riid, __uuidof(WebSerializedJSValue)))
71        *ppvObject = this;
72    else if (IsEqualGUID(riid, IID_IUnknown))
73        *ppvObject = static_cast<IWebSerializedJSValue*>(this);
74    else if (IsEqualIID(riid, __uuidof(IWebSerializedJSValue)))
75        *ppvObject = static_cast<IWebSerializedJSValue*>(this);
76    else if (IsEqualIID(riid, __uuidof(IWebSerializedJSValuePrivate)))
77        *ppvObject = static_cast<IWebSerializedJSValuePrivate*>(this);
78    else
79        return E_NOINTERFACE;
80
81    AddRef();
82    return S_OK;
83}
84
85HRESULT WebSerializedJSValue::serialize(JSContextRef sourceContext, JSValueRef value, JSValueRef* exception)
86{
87    ASSERT_ARG(value, value);
88    ASSERT_ARG(sourceContext, sourceContext);
89
90    if (!value || !sourceContext)
91        return E_POINTER;
92
93    m_value = SerializedScriptValue::create(sourceContext, value, exception);
94
95    return S_OK;
96}
97
98HRESULT WebSerializedJSValue::deserialize(JSContextRef destinationContext, JSValueRef* outValue)
99{
100    if (!outValue)
101        return E_POINTER;
102
103    if (!m_value)
104        *outValue = 0;
105    else
106        *outValue = m_value->deserialize(destinationContext, 0);
107
108    return S_OK;
109}
110
111HRESULT WebSerializedJSValue::setInternalRepresentation(void* internalRepresentation)
112{
113    if (!internalRepresentation || m_value)
114        return E_POINTER;
115
116    m_value = reinterpret_cast<SerializedScriptValue*>(internalRepresentation);
117
118    return S_OK;
119}
120
121HRESULT WebSerializedJSValue::getInternalRepresentation(void** internalRepresentation)
122{
123    if (!m_value)
124        return E_POINTER;
125
126    *internalRepresentation = m_value.get();
127    return S_OK;
128}
129
130