MediaStream API: Changing the device enumeration to be async

Source/modules/mediastream/WebMediaStreamTrackSourcesRequest.cpp

Index: Source/modules/mediastream/WebMediaStreamTrackSourcesRequest.cpp
diff --git a/Source/modules/mediastream/WebMediaStreamTrackSourcesRequest.cpp b/Source/modules/mediastream/WebMediaStreamTrackSourcesRequest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..4a0665b4a49cb3a0901f1ecca0298cbf1adccf6f
--- /dev/null
+++ b/Source/modules/mediastream/WebMediaStreamTrackSourcesRequest.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2013 Google 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 GOOGLE 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 GOOGLE 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 "public/platform/WebMediaStreamTrackSourcesRequest.h"
+
+#include "modules/mediastream/MediaStreamTrackSourcesRequest.h"
+#include "public/platform/WebSourceInfo.h"
+#include "wtf/PassOwnPtr.h"
+
+using namespace WebCore;
+
+namespace WebKit {
+
+namespace {
+
+class ExtraDataContainer : public MediaStreamTrackSourcesRequest::ExtraData {
+public:
+    ExtraDataContainer(WebMediaStreamTrackSourcesRequest::ExtraData* extraData) : m_extraData(adoptPtr(extraData)) { }
+
+    WebMediaStreamTrackSourcesRequest::ExtraData* extraData() { return m_extraData.get(); }
+
+private:
+    OwnPtr<WebMediaStreamTrackSourcesRequest::ExtraData> m_extraData;
+};
+
+} // namespace
+
+WebMediaStreamTrackSourcesRequest::WebMediaStreamTrackSourcesRequest(const PassRefPtr<MediaStreamTrackSourcesRequest>& request)
+    : m_private(request)
+{
+}
+
+void WebMediaStreamTrackSourcesRequest::assign(const WebMediaStreamTrackSourcesRequest& other)
+{
+    m_private = other.m_private;
+}
+
+void WebMediaStreamTrackSourcesRequest::reset()
+{
+    m_private.reset();
+}
+
+WebString WebMediaStreamTrackSourcesRequest::origin() const
+{
+    ASSERT(m_private.get());
+    return m_private->origin();
+}
+
+void WebMediaStreamTrackSourcesRequest::requestSucceeded(const WebVector<WebSourceInfo>& sourceInfos) const
+{
+    ASSERT(m_private.get());
+    m_private->requestSucceeded(sourceInfos);
+}
+
+WebMediaStreamTrackSourcesRequest::ExtraData* WebMediaStreamTrackSourcesRequest::extraData() const
+{
+    RefPtr<MediaStreamTrackSourcesRequest::ExtraData> data = m_private->extraData();
+    if (!data)
+        return 0;
+    return static_cast<ExtraDataContainer*>(data.get())->extraData();
+}
+
+void WebMediaStreamTrackSourcesRequest::setExtraData(ExtraData* extraData)
+{
+    m_private->setExtraData(adoptRef(new ExtraDataContainer(extraData)));
+}
+
+} // namespace WebKit
+