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Unified Diff: Source/core/html/track/VideoTrack.cpp

Issue 170233009: Initial implementation of AudioTrack, AudioTrackList, VideoTrack, and VideoTrackList. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@blink-master
Patch Set: Addressed IDL comments. Created 6 years, 9 months ago
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Index: Source/core/html/track/VideoTrack.cpp
diff --git a/Source/core/html/track/VideoTrack.cpp b/Source/core/html/track/VideoTrack.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..75dba4b198f74fd672cc5e9c903d1bf4f00de3bd
--- /dev/null
+++ b/Source/core/html/track/VideoTrack.cpp
@@ -0,0 +1,89 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "core/html/track/VideoTrack.h"
+
+#include "core/html/HTMLMediaElement.h"
+
+namespace WebCore {
+
+VideoTrack::VideoTrack(HTMLMediaElement* mediaElement, const String& id, const AtomicString& kind, const AtomicString& label, const AtomicString& language)
+ : TrackBase(TrackBase::VideoTrack, label, language, id)
+ , m_selected(false)
+{
+ ASSERT(mediaElement);
+ ASSERT(!id.isEmpty());
+
+ ScriptWrappable::init(this);
+ setKind(kind);
+ setMediaElement(mediaElement);
+}
+
+VideoTrack::~VideoTrack()
+{
+}
+
+void VideoTrack::setSelected(bool selected)
+{
+ if (selected == m_selected)
+ return;
+
+ m_selected = selected;
+ if (mediaElement())
+ mediaElement()->selectedVideoTrackChanged(m_selected ? id() : emptyAtom);
+}
+
+const AtomicString& VideoTrack::alternativeKeyword()
+{
+ DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("alternative", AtomicString::ConstructFromLiteral));
+ return keyword;
+}
+
+const AtomicString& VideoTrack::captionsKeyword()
+{
+ DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("captions", AtomicString::ConstructFromLiteral));
+ return keyword;
+}
+
+const AtomicString& VideoTrack::mainKeyword()
+{
+ DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("main", AtomicString::ConstructFromLiteral));
+ return keyword;
+}
+
+const AtomicString& VideoTrack::signKeyword()
+{
+ DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("sign", AtomicString::ConstructFromLiteral));
+ return keyword;
+}
+
+const AtomicString& VideoTrack::subtitlesKeyword()
+{
+ DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("subtitles", AtomicString::ConstructFromLiteral));
+ return keyword;
+}
+
+const AtomicString& VideoTrack::commentaryKeyword()
+{
+ DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("commentary", AtomicString::ConstructFromLiteral));
+ return keyword;
+}
+
+bool VideoTrack::isValidKind(const AtomicString& kind) const
+{
+ return (kind == alternativeKeyword())
+ || (kind == captionsKeyword())
+ || (kind == mainKeyword())
+ || (kind == signKeyword())
+ || (kind == subtitlesKeyword())
+ || (kind == commentaryKeyword());
+}
+
+AtomicString VideoTrack::defaultKind() const
+{
+ return emptyAtom;
+}
+
+}

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