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 } 108