webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 113 insertions, 0 deletions

diff --git a/Source/WebCore/Modules/mediastream/MediaDevicesEnumerationRequest.cpp b/Source/WebCore/Modules/mediastream/MediaDevicesEnumerationRequest.cpp
new file mode 100644
index 000000000..c89d43d79
--- /dev/null
+++ b/Source/WebCore/Modules/mediastream/MediaDevicesEnumerationRequest.cpp
@@ -0,0 +1,113 @@
+/*
+ * 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()
+{
+}
+
+SecurityOrigin* MediaDevicesEnumerationRequest::userMediaDocumentOrigin() const
+{
+    if (!scriptExecutionContext())
+        return nullptr;
+
+    return scriptExecutionContext()->securityOrigin();
+}
+
+SecurityOrigin* MediaDevicesEnumerationRequest::topLevelDocumentOrigin() const
+{
+    if (!scriptExecutionContext())
+        return nullptr;
+
+    if (Frame* frame = downcast<Document>(*scriptExecutionContext()).frame()) {
+        if (frame->isMainFrame())
+            return nullptr;
+    }
+
+    return &scriptExecutionContext()->topOrigin();
+}
+
+void MediaDevicesEnumerationRequest::contextDestroyed()
+{
+    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)
+{
+    m_deviceList = deviceList;
+    m_deviceIdentifierHashSalt = deviceIdentifierHashSalt;
+    m_originHasPersistentAccess = originHasPersistentAccess;
+
+    if (m_completionHandler)
+        m_completionHandler(m_deviceList, m_deviceIdentifierHashSalt, m_originHasPersistentAccess);
+    m_completionHandler = nullptr;
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(MEDIA_STREAM)