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 

    31 using namespace WebCore;

    32 

    33 WebSerializedJSValue::WebSerializedJSValue()

    34     : m_refCount(0)

    35 {

    36     ++gClassCount;

    37     gClassNameCount.add("WebSerializedJSValue");

    38 }

    39 

    40 WebSerializedJSValue::~WebSerializedJSValue()

    41 {

    42     --gClassCount;

    43     gClassNameCount.remove("WebSerializedJSValue");

    44 }

    45 

    46 COMPtr<WebSerializedJSValue> WebSerializedJSValue::createInstance()

    47 {

    48     return new WebSerializedJSValue();

    49 }

    50 

    51 ULONG WebSerializedJSValue::AddRef()

    52 {

    53     return ++m_refCount;

    54 }

    55 

    56 ULONG WebSerializedJSValue::Release()

    57 {

    58     ULONG newRefCount = --m_refCount;

    59     if (!newRefCount)

    60         delete this;

    61     return newRefCount;

    62 }

    63 

    64 HRESULT 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 (IsEqualIID(riid, __uuidof(IWebSerializedJSValue)))

    73         *ppvObject = static_cast<IWebSerializedJSValue*>(this);

    74     else if (IsEqualIID(riid, IID_IUnknown))

    75         *ppvObject = static_cast<IUnknown*>(this);

    76     else

    77         return E_NOINTERFACE;

    78 

    79     AddRef();

    80     return S_OK;

    81 }

    82 

    83 HRESULT WebSerializedJSValue::serialize(JSContextRef sourceContext, JSValueRef value, JSValueRef* exception)

    84 {

    85     ASSERT_ARG(value, value);

    86     ASSERT_ARG(sourceContext, sourceContext);

    87 

    88     if (!value || !sourceContext)

    89         return E_POINTER;

    90 

    91     m_value = SerializedScriptValue::create(sourceContext, value, exception);

    92         

    93     return S_OK;

    94 }

    95 

    96 HRESULT WebSerializedJSValue::deserialize(JSContextRef destinationContext, JSValueRef* outValue)

    97 {

    98     if (!outValue)

    99         return E_POINTER;

   100 

   101     if (!m_value)

   102         *outValue = 0;

   103     else

   104         *outValue = m_value->deserialize(destinationContext, 0);

   105 

   106     return S_OK;

   107 }