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/*
* Copyright (C) 2008 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
* 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 "JSInspectorCallbackWrapper.h"
#include "JSInspectedObjectWrapper.h"
using namespace KJS;
namespace WebCore {
typedef HashMap<JSObject*, JSInspectorCallbackWrapper*> WrapperMap;
static WrapperMap& wrappers()
{
static WrapperMap map;
return map;
}
const ClassInfo JSInspectorCallbackWrapper::s_info = { "JSInspectorCallbackWrapper", &JSQuarantinedObjectWrapper::s_info, 0, 0 };
JSValue* JSInspectorCallbackWrapper::wrap(ExecState* unwrappedExec, JSValue* unwrappedValue)
{
if (!unwrappedValue->isObject())
return unwrappedValue;
JSObject* unwrappedObject = static_cast<JSObject*>(unwrappedValue);
if (unwrappedObject->inherits(&JSInspectorCallbackWrapper::s_info))
return unwrappedObject;
if (JSInspectorCallbackWrapper* wrapper = wrappers().get(unwrappedObject))
return wrapper;
JSValue* prototype = unwrappedObject->prototype();
JSValue* wrappedPrototype = prototype ? wrap(unwrappedExec, prototype) : 0;
return new JSInspectorCallbackWrapper(unwrappedExec, unwrappedObject, wrappedPrototype);
}
JSInspectorCallbackWrapper::JSInspectorCallbackWrapper(ExecState* unwrappedExec, JSObject* unwrappedObject, JSValue* wrappedPrototype)
: JSQuarantinedObjectWrapper(unwrappedExec, unwrappedObject, wrappedPrototype)
{
ASSERT(!wrappers().contains(unwrappedObject));
wrappers().set(unwrappedObject, this);
}
JSInspectorCallbackWrapper::~JSInspectorCallbackWrapper()
{
wrappers().remove(unwrappedObject());
}
JSValue* JSInspectorCallbackWrapper::prepareIncomingValue(ExecState* unwrappedExec, JSValue* unwrappedValue) const
{
if (JSQuarantinedObjectWrapper* wrapper = asWrapper(unwrappedValue)) {
// The only time a wrapper should be passed into a JSInspectorCallbackWrapper is when a client-side storage callback
// is called. (The client-side storage API calls the callback with the `this` object set to the callback itself.)
ASSERT_WITH_MESSAGE(wrapper == this, "A different wrapper was passed into a JSInspectorCallbackWrapper");
if (wrapper != this)
return 0;
return wrapper->unwrappedObject();
}
// Any value being passed to the Inspector from the inspected page should be wrapped in a JSInspectedObjectWrapper.
return JSInspectedObjectWrapper::wrap(unwrappedExec, unwrappedValue);
}
} // namespace WebCore
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