android_external_webkit/JavaScriptGlue/JSValueWrapper.cpp at froyo · Y6b/android_external_webkit · GitHub

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* 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 Computer, 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 "JSValueWrapper.h"

#include "JSRun.h"

#include <JavaScriptCore/JSArray.h>

#include <JavaScriptCore/PropertyNameArray.h>

#include <pthread.h>

JSValueWrapper::JSValueWrapper(JSValue inValue)

: fValue(inValue)

{

}

JSValueWrapper::~JSValueWrapper()

{

}

JSValue JSValueWrapper::GetValue()

{

return fValue.get();

}

void JSValueWrapper::GetJSObectCallBacks(JSObjectCallBacks& callBacks)

{

callBacks.dispose = (JSObjectDisposeProcPtr)JSValueWrapper::JSObjectDispose;

callBacks.equal = (JSObjectEqualProcPtr)0;

callBacks.copyPropertyNames = (JSObjectCopyPropertyNamesProcPtr)JSValueWrapper::JSObjectCopyPropertyNames;

callBacks.copyCFValue = (JSObjectCopyCFValueProcPtr)JSValueWrapper::JSObjectCopyCFValue;

callBacks.copyProperty = (JSObjectCopyPropertyProcPtr)JSValueWrapper::JSObjectCopyProperty;

callBacks.setProperty = (JSObjectSetPropertyProcPtr)JSValueWrapper::JSObjectSetProperty;

callBacks.callFunction = (JSObjectCallFunctionProcPtr)JSValueWrapper::JSObjectCallFunction;

}

void JSValueWrapper::JSObjectDispose(void *data)

{

JSValueWrapper* ptr = (JSValueWrapper*)data;

delete ptr;

}

CFArrayRef JSValueWrapper::JSObjectCopyPropertyNames(void *data)

{

JSGlueAPIEntry entry;

CFMutableArrayRef result = 0;

JSValueWrapper* ptr = (JSValueWrapper*)data;

if (ptr)

{

ExecState* exec = getThreadGlobalExecState();

JSObject* object = ptr->GetValue().toObject(exec);

PropertyNameArray propNames(exec);

object->getPropertyNames(exec, propNames);

PropertyNameArray::const_iterator iterator = propNames.begin();

while (iterator != propNames.end()) {

Identifier name = *iterator;

CFStringRef nameStr = IdentifierToCFString(name);

if (!result)

{

result = CFArrayCreateMutable(0, 0, &kCFTypeArrayCallBacks);

}

if (result && nameStr)

{

CFArrayAppendValue(result, nameStr);

}

ReleaseCFType(nameStr);

iterator++;

}

return result;

}

JSObjectRef JSValueWrapper::JSObjectCopyProperty(void *data, CFStringRef propertyName)

{

JSGlueAPIEntry entry;

JSObjectRef result = 0;

JSValueWrapper* ptr = (JSValueWrapper*)data;

if (ptr)

{

ExecState* exec = getThreadGlobalExecState();

JSValue propValue = ptr->GetValue().toObject(exec)->get(exec, CFStringToIdentifier(propertyName, exec));

JSValueWrapper* wrapperValue = new JSValueWrapper(propValue);

JSObjectCallBacks callBacks;

GetJSObectCallBacks(callBacks);

result = JSObjectCreateInternal(wrapperValue, &callBacks, JSValueWrapper::JSObjectMark, kJSUserObjectDataTypeJSValueWrapper);

if (!result)

{

delete wrapperValue;

}

return result;

}

void JSValueWrapper::JSObjectSetProperty(void *data, CFStringRef propertyName, JSObjectRef jsValue)

{

JSGlueAPIEntry entry;

JSValueWrapper* ptr = (JSValueWrapper*)data;

if (ptr)

{

ExecState* exec = getThreadGlobalExecState();

JSValue value = JSObjectKJSValue((JSUserObject*)jsValue);

JSObject *objValue = ptr->GetValue().toObject(exec);

PutPropertySlot slot;

objValue->put(exec, CFStringToIdentifier(propertyName, exec), value, slot);

}

JSObjectRef JSValueWrapper::JSObjectCallFunction(void *data, JSObjectRef thisObj, CFArrayRef args)

{

JSGlueAPIEntry entry;

JSObjectRef result = 0;

JSValueWrapper* ptr = (JSValueWrapper*)data;

if (ptr)

{

ExecState* exec = getThreadGlobalExecState();

JSValue value = JSObjectKJSValue((JSUserObject*)thisObj);

JSObject* ksjThisObj = value.toObject(exec);

JSObject* objValue = ptr->GetValue().toObject(exec);

MarkedArgumentBuffer listArgs;

CFIndex argCount = args ? CFArrayGetCount(args) : 0;

for (CFIndex i = 0; i < argCount; i++)

{

JSObjectRef jsArg = (JSObjectRef)CFArrayGetValueAtIndex(args, i);

JSValue kgsArg = JSObjectKJSValue((JSUserObject*)jsArg);

listArgs.append(kgsArg);

}

CallData callData;

CallType callType = objValue->getCallData(callData);

if (callType == CallTypeNone)

return 0;

JSValue resultValue = call(exec, objValue, callType, callData, ksjThisObj, listArgs);

JSValueWrapper* wrapperValue = new JSValueWrapper(resultValue);

JSObjectCallBacks callBacks;

GetJSObectCallBacks(callBacks);

result = JSObjectCreate(wrapperValue, &callBacks);

if (!result)

{

delete wrapperValue;

}

return result;

}

CFTypeRef JSValueWrapper::JSObjectCopyCFValue(void *data)

{

JSGlueAPIEntry entry;

CFTypeRef result = 0;

JSValueWrapper* ptr = (JSValueWrapper*)data;

if (ptr)

{

result = KJSValueToCFType(ptr->GetValue(), getThreadGlobalExecState());

}

return result;

}

void JSValueWrapper::JSObjectMark(void *data)

{

JSValueWrapper* ptr = (JSValueWrapper*)data;

if (ptr)

{

// This results in recursive marking but will be otherwise safe and correct.

// We claim the array vptr is 0 because we don't have access to it here, and

// claiming 0 is functionally harmless -- it merely means that we can't

// devirtualise marking of arrays when recursing from this point.

MarkStack markStack(0);

markStack.append(ptr->fValue.get());

markStack.drain();

}

android_external_webkit/JavaScriptGlue/JSValueWrapper.cpp at froyo · Y6b/android_external_webkit · GitHub

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