| /* |
| * 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. |
| * |
| */ |
| |
| #include "config.h" |
| #include "MediaDevicesEnumerationRequest.h" |
| |
| #if ENABLE(MEDIA_STREAM) |
| |
| #include "CaptureDevice.h" |
| #include "Document.h" |
| #include "MainFrame.h" |
| #include "SecurityOrigin.h" |
| #include "UserMediaController.h" |
| |
| namespace WebCore { |
| |
| Ref<MediaDevicesEnumerationRequest> MediaDevicesEnumerationRequest::create(Document& document, CompletionHandler&& completionHandler) |
| { |
| return adoptRef(*new MediaDevicesEnumerationRequest(document, WTFMove(completionHandler))); |
| } |
| |
| MediaDevicesEnumerationRequest::MediaDevicesEnumerationRequest(ScriptExecutionContext& context, CompletionHandler&& completionHandler) |
| : ContextDestructionObserver(&context) |
| , m_completionHandler(WTFMove(completionHandler)) |
| { |
| } |
| |
| MediaDevicesEnumerationRequest::~MediaDevicesEnumerationRequest() = default; |
| |
| SecurityOrigin* MediaDevicesEnumerationRequest::userMediaDocumentOrigin() const |
| { |
| if (!scriptExecutionContext()) |
| return nullptr; |
| |
| return scriptExecutionContext()->securityOrigin(); |
| } |
| |
| SecurityOrigin* MediaDevicesEnumerationRequest::topLevelDocumentOrigin() const |
| { |
| if (!scriptExecutionContext()) |
| return nullptr; |
| |
| return &scriptExecutionContext()->topOrigin(); |
| } |
| |
| void MediaDevicesEnumerationRequest::contextDestroyed() |
| { |
| // Calling cancel() may destroy ourselves. |
| Ref<MediaDevicesEnumerationRequest> protectedThis(*this); |
| |
| cancel(); |
| ContextDestructionObserver::contextDestroyed(); |
| } |
| |
| void MediaDevicesEnumerationRequest::start() |
| { |
| ASSERT(scriptExecutionContext()); |
| |
| auto& document = downcast<Document>(*scriptExecutionContext()); |
| auto* controller = UserMediaController::from(document.page()); |
| if (!controller) |
| return; |
| |
| Ref<MediaDevicesEnumerationRequest> protectedThis(*this); |
| controller->enumerateMediaDevices(*this); |
| } |
| |
| void MediaDevicesEnumerationRequest::cancel() |
| { |
| m_completionHandler = nullptr; |
| } |
| |
| void MediaDevicesEnumerationRequest::setDeviceInfo(const Vector<CaptureDevice>& deviceList, const String& deviceIdentifierHashSalt, bool originHasPersistentAccess) |
| { |
| if (m_completionHandler) |
| m_completionHandler(deviceList, deviceIdentifierHashSalt, originHasPersistentAccess); |
| m_completionHandler = nullptr; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(MEDIA_STREAM) |