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/*
* Copyright (C) 2014 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. 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 INC. 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 "UserMessageHandler.h"
#if ENABLE(USER_MESSAGE_HANDLERS)
#include "JSDOMPromiseDeferred.h"
#include "LocalFrame.h"
#include "SerializedScriptValue.h"
#include <JavaScriptCore/JSCJSValue.h>
namespace WebCore {
UserMessageHandler::UserMessageHandler(LocalFrame& frame, UserMessageHandlerDescriptor& descriptor)
: FrameDestructionObserver(&frame)
, m_descriptor(&descriptor)
{
}
UserMessageHandler::~UserMessageHandler() = default;
ExceptionOr<void> UserMessageHandler::postMessage(RefPtr<SerializedScriptValue>&& value, Ref<DeferredPromise>&& promise)
{
// Check to see if the descriptor has been removed. This can happen if the host application has
// removed the named message handler at the WebKit2 API level.
if (!m_descriptor) {
promise->reject(Exception { ExceptionCode::InvalidAccessError });
return Exception { ExceptionCode::InvalidAccessError };
}
m_descriptor->didPostMessage(*this, value.get(), [promise = WTFMove(promise)](SerializedScriptValue* result, const String& errorMessage) {
auto* globalObject = promise->globalObject();
if (!globalObject)
return;
if (!errorMessage.isNull()) {
JSC::JSLockHolder lock(globalObject);
promise->reject<IDLAny>(JSC::createError(globalObject, errorMessage));
return;
}
ASSERT(result);
promise->resolve<IDLAny>(result->deserialize(*globalObject, globalObject));
});
return { };
}
} // namespace WebCore
#endif // ENABLE(USER_MESSAGE_HANDLERS)
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