Imported WebKit commit 75bb2fc5882d2e1b3d5572c2961507996cbca5e3 (http://svn.webkit.org/repository/webkit/trunk@104681)

1 files changed, 19 insertions, 0 deletions

diff --git a/Source/WebCore/html/TextTrack.cpp b/Source/WebCore/html/TextTrack.cpp
index 164fe3355..bdfbaa205 100644
--- a/Source/WebCore/html/TextTrack.cpp
+++ b/Source/WebCore/html/TextTrack.cpp
@@ -251,6 +251,25 @@ void TextTrack::fireCueChangeEvent()
     ExceptionCode ec = 0;
     dispatchEvent(Event::create(eventNames().cuechangeEvent, false, false), ec);
 }
+    
+void TextTrack::cueWillChange(TextTrackCue* cue)
+{
+    if (!m_client)
+        return;
+
+    // The cue may need to be repositioned in the media element's interval tree, may need to
+    // be re-rendered, etc, so remove it before the modification...
+    m_client->textTrackRemoveCue(this, cue);
+}
+
+void TextTrack::cueDidChange(TextTrackCue* cue)
+{
+    if (!m_client)
+        return;
+
+    // ... and add it back again.
+    m_client->textTrackAddCue(this, cue);
+}
 
 } // namespace WebCore