/* * Copyright (C) 2016 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. * */ #pragma once #if ENABLE(MEDIA_STREAM) #include "ActiveDOMObject.h" #include <wtf/Function.h> #include <wtf/text/WTFString.h> namespace WebCore { class CaptureDevice; class Document; class SecurityOrigin; class MediaDevicesEnumerationRequest final : public ContextDestructionObserver, public RefCounted<MediaDevicesEnumerationRequest> { public: using CompletionHandler = WTF::Function<void(const Vector<CaptureDevice>&, const String& deviceIdentifierHashSalt, bool originHasPersistentAccess)>; static Ref<MediaDevicesEnumerationRequest> create(Document&, CompletionHandler&&); virtual ~MediaDevicesEnumerationRequest(); void start(); void cancel(); bool wasCanceled() const { return !m_completionHandler; } WEBCORE_EXPORT void setDeviceInfo(const Vector<CaptureDevice>&, const String& deviceIdentifierHashSalt, bool originHasPersistentAccess); WEBCORE_EXPORT SecurityOrigin* userMediaDocumentOrigin() const; WEBCORE_EXPORT SecurityOrigin* topLevelDocumentOrigin() const; private: MediaDevicesEnumerationRequest(ScriptExecutionContext&, CompletionHandler&&); // ContextDestructionObserver void contextDestroyed() final; CompletionHandler m_completionHandler; }; } // namespace WebCore #endif // ENABLE(MEDIA_STREAM)