1 files changed, 154 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/platform/mediastream/MediaStreamCenter.cpp b/chromium/third_party/WebKit/Source/platform/mediastream/MediaStreamCenter.cpp
new file mode 100644
index 00000000000..edd22960e7c
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+++ b/chromium/third_party/WebKit/Source/platform/mediastream/MediaStreamCenter.cpp
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2011 Ericsson AB. All rights reserved.
+ * Copyright (C) 2012 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.
+ * 3. Neither the name of Ericsson nor the names of its contributors
+ *    may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 THE COPYRIGHT
+ * OWNER 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 "platform/mediastream/MediaStreamCenter.h"
+
+#include "platform/mediastream/MediaStreamDescriptor.h"
+#include "platform/mediastream/MediaStreamTrackSourcesRequest.h"
+#include "platform/mediastream/MediaStreamWebAudioSource.h"
+#include "public/platform/Platform.h"
+#include "public/platform/WebAudioSourceProvider.h"
+#include "public/platform/WebMediaStream.h"
+#include "public/platform/WebMediaStreamCenter.h"
+#include "public/platform/WebMediaStreamTrack.h"
+#include "public/platform/WebMediaStreamTrackSourcesRequest.h"
+#include "wtf/Assertions.h"
+#include "wtf/MainThread.h"
+#include "wtf/PassOwnPtr.h"
+
+namespace WebCore {
+
+MediaStreamCenter& MediaStreamCenter::instance()
+{
+    ASSERT(isMainThread());
+    DEFINE_STATIC_LOCAL(MediaStreamCenter, center, ());
+    return center;
+}
+
+MediaStreamCenter::MediaStreamCenter()
+    : m_private(adoptPtr(blink::Platform::current()->createMediaStreamCenter(this)))
+{
+}
+
+MediaStreamCenter::~MediaStreamCenter()
+{
+}
+
+bool MediaStreamCenter::getMediaStreamTrackSources(PassRefPtrWillBeRawPtr<MediaStreamTrackSourcesRequest> request)
+{
+    return m_private && m_private->getMediaStreamTrackSources(request);
+}
+
+void MediaStreamCenter::didSetMediaStreamTrackEnabled(MediaStreamComponent* component)
+{
+    if (m_private) {
+        if (component->enabled()) {
+            m_private->didEnableMediaStreamTrack(component);
+        } else {
+            m_private->didDisableMediaStreamTrack(component);
+        }
+    }
+}
+
+bool MediaStreamCenter::didAddMediaStreamTrack(MediaStreamDescriptor* stream, MediaStreamComponent* component)
+{
+    return m_private && m_private->didAddMediaStreamTrack(stream, component);
+}
+
+bool MediaStreamCenter::didRemoveMediaStreamTrack(MediaStreamDescriptor* stream, MediaStreamComponent* component)
+{
+    return m_private && m_private->didRemoveMediaStreamTrack(stream, component);
+}
+
+void MediaStreamCenter::didStopLocalMediaStream(MediaStreamDescriptor* stream)
+{
+    if (m_private)
+        m_private->didStopLocalMediaStream(stream);
+}
+
+bool MediaStreamCenter::didStopMediaStreamTrack(MediaStreamComponent* track)
+{
+    return m_private && m_private->didStopMediaStreamTrack(track);
+}
+
+void MediaStreamCenter::didCreateMediaStreamAndTracks(MediaStreamDescriptor* stream)
+{
+    if (!m_private)
+        return;
+
+    for (size_t i = 0; i < stream->numberOfAudioComponents(); ++i)
+        didCreateMediaStreamTrack(stream->audioComponent(i));
+
+    for (size_t i = 0; i < stream->numberOfVideoComponents(); ++i)
+        didCreateMediaStreamTrack(stream->videoComponent(i));
+
+    blink::WebMediaStream webStream(stream);
+    m_private->didCreateMediaStream(webStream);
+}
+
+void MediaStreamCenter::didCreateMediaStream(MediaStreamDescriptor* stream)
+{
+    if (m_private) {
+        blink::WebMediaStream WebMediaStream(stream);
+        m_private->didCreateMediaStream(WebMediaStream);
+    }
+}
+
+void MediaStreamCenter::didCreateMediaStreamTrack(MediaStreamComponent* track)
+{
+    if (m_private)
+        m_private->didCreateMediaStreamTrack(track);
+}
+
+PassOwnPtr<AudioSourceProvider> MediaStreamCenter::createWebAudioSourceFromMediaStreamTrack(MediaStreamComponent* track)
+{
+    ASSERT_UNUSED(track, track);
+#if ENABLE(WEB_AUDIO)
+    if (m_private)
+        return MediaStreamWebAudioSource::create(adoptPtr(m_private->createWebAudioSourceFromMediaStreamTrack(track)));
+#endif
+
+    return nullptr;
+}
+
+void MediaStreamCenter::stopLocalMediaStream(const blink::WebMediaStream& webStream)
+{
+    MediaStreamDescriptor* stream = webStream;
+    MediaStreamDescriptorClient* client = stream->client();
+    if (client)
+        client->streamEnded();
+    else
+        stream->setEnded();
+}
+
+} // namespace WebCore