Support text track selection in video controls

Source/core/layout/LayoutMediaControls.cpp

 /*
  * Copyright (C) 2009 Apple Inc.
  * Copyright (C) 2009 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.
@@ skipping 357 matching lines @@
     case MediaCastOffButton:
         return paintMediaButton(paintInfo.context, rect, mediaCastOff);
     case MediaOverlayCastOffButton:
         return paintMediaButton(paintInfo.context, rect, mediaOverlayCastOff);
     default:
         ASSERT_NOT_REACHED();
         return false;
     }
 }
 
+static bool paintMediaTrackSelectionCheckmark(LayoutObject* object, const PaintInfo& paintInfo, const IntRect& rect)
+{
+    HTMLMediaElement* mediaElement = toParentMediaElement(object);
+    if (!mediaElement)
+        return false;
+
+    static Image* mediaTrackSelectionCheckmark = platformResource("mediaplayerTrackSelectionCheckmark");
+    return paintMediaButton(paintInfo.context, rect, mediaTrackSelectionCheckmark);
+}
+
 bool LayoutMediaControls::paintMediaControlsPart(MediaControlElementType part, LayoutObject* object, const PaintInfo& paintInfo, const IntRect& rect)
 {
     switch (part) {
     case MediaMuteButton:
     case MediaUnMuteButton:
         return paintMediaMuteButton(object, paintInfo, rect);
     case MediaPauseButton:
     case MediaPlayButton:
         return paintMediaPlayButton(object, paintInfo, rect);
     case MediaShowClosedCaptionsButton:
         return paintMediaToggleClosedCaptionsButton(object, paintInfo, rect);
     case MediaSlider:
         return paintMediaSlider(object, paintInfo, rect);
     case MediaSliderThumb:
         return paintMediaSliderThumb(object, paintInfo, rect);
     case MediaVolumeSlider:
         return paintMediaVolumeSlider(object, paintInfo, rect);
     case MediaVolumeSliderThumb:
         return paintMediaVolumeSliderThumb(object, paintInfo, rect);
     case MediaEnterFullscreenButton:
     case MediaExitFullscreenButton:
         return paintMediaFullscreenButton(object, paintInfo, rect);
     case MediaOverlayPlayButton:
         return paintMediaOverlayPlayButton(object, paintInfo, rect);
     case MediaCastOffButton:
     case MediaCastOnButton:
     case MediaOverlayCastOffButton:
     case MediaOverlayCastOnButton:
         return paintMediaCastButton(object, paintInfo, rect);
+    case MediaTrackSelectionCheckmark:
+        return paintMediaTrackSelectionCheckmark(object, paintInfo, rect);
     case MediaVolumeSliderContainer:
     case MediaTimelineContainer:
     case MediaCurrentTimeDisplay:
     case MediaTimeRemainingDisplay:
     case MediaControlsPanel:
     case MediaHideClosedCaptionsButton:
+    case MediaTextTrackList:
     case MediaFullScreenVolumeSlider:
     case MediaFullScreenVolumeSliderThumb:
         ASSERT_NOT_REACHED();
         break;
     }
     return false;
 }
 
 const int mediaSliderThumbHeight = 24;
 const int mediaVolumeSliderThumbHeight = 24;
@@ skipping 51 matching lines @@
 {
     return formatChromiumMediaControlsTime(time, time);
 }
 
 String LayoutMediaControls::formatMediaControlsCurrentTime(float currentTime, float duration)
 {
     return formatChromiumMediaControlsTime(currentTime, duration);
 }
 
 } // namespace blink