1 files changed, 71 insertions, 0 deletions
diff --git a/Source/WebCore/html/track/VTTRegionList.cpp b/Source/WebCore/html/track/VTTRegionList.cpp
new file mode 100644
index 000000000..cfc16223f
--- /dev/null
+++ b/Source/WebCore/html/track/VTTRegionList.cpp
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2013 Google Inc. All rights reserved.
+ * Copyright (C) 2014-2017 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 "VTTRegionList.h"
+
+#if ENABLE(VIDEO_TRACK)
+
+namespace WebCore {
+
+VTTRegion* VTTRegionList::item(unsigned index) const
+{
+    if (index >= m_vector.size())
+        return nullptr;
+    return const_cast<VTTRegion*>(m_vector[index].ptr());
+}
+
+VTTRegion* VTTRegionList::getRegionById(const String& id) const
+{
+    // FIXME: Why is this special case needed?
+    if (id.isEmpty())
+        return nullptr;
+    for (auto& region : m_vector) {
+        if (region->id() == id)
+            return const_cast<VTTRegion*>(region.ptr());
+    }
+    return nullptr;
+}
+
+void VTTRegionList::add(Ref<VTTRegion>&& region)
+{
+    m_vector.append(WTFMove(region));
+}
+
+void VTTRegionList::remove(VTTRegion& region)
+{
+    for (unsigned i = 0, size = m_vector.size(); i < size; ++i) {
+        if (m_vector[i].ptr() == &region) {
+            m_vector.remove(i);
+            return;
+        }
+    }
+    ASSERT_NOT_REACHED();
+}
+
+} // namespace WebCore
+
+#endif