75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
/*
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* Copyright (C) 2014 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "UserMessageHandler.h"
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#if ENABLE(USER_MESSAGE_HANDLERS)
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#include "Frame.h"
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#include "JSDOMPromiseDeferred.h"
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#include "SerializedScriptValue.h"
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#include <JavaScriptCore/JSCJSValue.h>
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namespace WebCore {
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UserMessageHandler::UserMessageHandler(Frame& frame, UserMessageHandlerDescriptor& descriptor)
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: FrameDestructionObserver(&frame)
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, m_descriptor(&descriptor)
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{
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}
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UserMessageHandler::~UserMessageHandler() = default;
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ExceptionOr<void> UserMessageHandler::postMessage(RefPtr<SerializedScriptValue>&& value, Ref<DeferredPromise>&& promise)
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{
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// Check to see if the descriptor has been removed. This can happen if the host application has
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// removed the named message handler at the WebKit2 API level.
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if (!m_descriptor) {
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promise->reject(Exception { InvalidAccessError });
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return Exception { InvalidAccessError };
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}
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m_descriptor->didPostMessage(*this, value.get(), [promise = WTFMove(promise)](SerializedScriptValue* result, const String& errorMessage) {
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auto* globalObject = promise->globalObject();
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if (!globalObject)
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return;
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if (!errorMessage.isNull()) {
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JSC::JSLockHolder lock(globalObject);
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promise->reject<IDLAny>(JSC::createError(globalObject, errorMessage));
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return;
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}
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ASSERT(result);
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promise->resolve<IDLAny>(result->deserialize(*globalObject, globalObject));
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});
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return { };
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}
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} // namespace WebCore
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#endif // ENABLE(USER_MESSAGE_HANDLERS)
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