129 lines
4.0 KiB
C++
129 lines
4.0 KiB
C++
/*
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* Copyright (C) 2021 Igalia S.L.
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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'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "MediaKeySystemRequest.h"
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#if ENABLE(ENCRYPTED_MEDIA)
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#include "Document.h"
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#include "Frame.h"
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#include "JSDOMPromiseDeferred.h"
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#include "JSMediaKeySystemAccess.h"
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#include "Logging.h"
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#include "MediaKeySystemController.h"
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#include "PlatformMediaSessionManager.h"
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#include "Settings.h"
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#include "WindowEventLoop.h"
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namespace WebCore {
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Ref<MediaKeySystemRequest> MediaKeySystemRequest::create(Document& document, const String& keySystem, Ref<DeferredPromise>&& promise)
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{
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auto result = adoptRef(*new MediaKeySystemRequest(document, keySystem, WTFMove(promise)));
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result->suspendIfNeeded();
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return result;
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}
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MediaKeySystemRequest::MediaKeySystemRequest(Document& document, const String& keySystem, Ref<DeferredPromise>&& promise)
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: ActiveDOMObject(document)
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, m_identifier(MediaKeySystemRequestIdentifier::generate())
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, m_keySystem(keySystem)
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, m_promise(WTFMove(promise))
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{
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}
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MediaKeySystemRequest::~MediaKeySystemRequest()
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{
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if (m_allowCompletionHandler)
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m_allowCompletionHandler(WTFMove(m_promise));
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}
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SecurityOrigin* MediaKeySystemRequest::topLevelDocumentOrigin() const
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{
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if (!m_scriptExecutionContext)
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return nullptr;
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return &m_scriptExecutionContext->topOrigin();
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}
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void MediaKeySystemRequest::start()
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{
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ASSERT(m_scriptExecutionContext);
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if (!m_scriptExecutionContext) {
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deny();
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return;
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}
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auto& document = downcast<Document>(*m_scriptExecutionContext);
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auto* controller = MediaKeySystemController::from(document.page());
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if (!controller) {
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deny();
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return;
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}
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controller->requestMediaKeySystem(*this);
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}
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void MediaKeySystemRequest::allow(CompletionHandler<void()>&& completionHandler)
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{
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queueTaskKeepingObjectAlive(*this, TaskSource::UserInteraction, [this, handler = WTFMove(completionHandler)]() mutable {
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auto completionHandler = WTFMove(m_allowCompletionHandler);
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completionHandler(WTFMove(m_promise));
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handler();
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});
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}
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void MediaKeySystemRequest::deny(const String& message)
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{
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if (!m_scriptExecutionContext)
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return;
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ExceptionCode code = NotSupportedError;
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if (!message.isEmpty())
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m_promise->reject(code, message);
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else
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m_promise->reject(code);
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}
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void MediaKeySystemRequest::stop()
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{
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auto& document = downcast<Document>(*m_scriptExecutionContext);
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if (auto* controller = MediaKeySystemController::from(document.page()))
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controller->cancelMediaKeySystemRequest(*this);
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}
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const char* MediaKeySystemRequest::activeDOMObjectName() const
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{
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return "MediaKeySystemRequest";
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}
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Document* MediaKeySystemRequest::document() const
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{
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return downcast<Document>(m_scriptExecutionContext);
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}
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} // namespace WebCore
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#endif // ENABLE(ENCRYPTED_MEDIA)
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