Implement media cast buttons

Source/core/rendering/RenderMediaControls.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 321 matching lines @@
         return false;
 
     static Image* mediaClosedCaptionButton = platformResource("mediaplayerClosedCaption");
     static Image* mediaClosedCaptionButtonDisabled = platformResource("mediaplayerClosedCaptionDisabled");
 
     if (mediaElement->closedCaptionsVisible())
         return paintMediaButton(paintInfo.context, rect, mediaClosedCaptionButton);
 
     return paintMediaButton(paintInfo.context, rect, mediaClosedCaptionButtonDisabled);
 }
+static bool paintMediaCastButton(RenderObject* object, const PaintInfo& paintInfo, const IntRect& rect)
+{
+    HTMLMediaElement* mediaElement = toParentMediaElement(object);
+    if (!mediaElement)
+        return false;
 
+    static Image* mediaCastOnButton = platformResource("mediaplayerCastOn");
+    static Image* mediaCastOffButton = platformResource("mediaplayerCastOff");
+
+    if (mediaElement->isPlayingRemotely()) {
+        return paintMediaButton(paintInfo.context, rect, mediaCastOnButton);
+    }
+
+    return paintMediaButton(paintInfo.context, rect, mediaCastOffButton);
+
+}
 
 bool RenderMediaControls::paintMediaControlsPart(MediaControlElementType part, RenderObject* 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 MediaVolumeSliderContainer:
     case MediaTimelineContainer:
     case MediaCurrentTimeDisplay:
     case MediaTimeRemainingDisplay:
     case MediaControlsPanel:
     case MediaStatusDisplay:
     case MediaHideClosedCaptionsButton:
     case MediaTextTrackDisplayContainer:
     case MediaTextTrackDisplay:
     case MediaFullScreenVolumeSlider:
@@ skipping 60 matching lines @@
 {
     return formatChromiumMediaControlsTime(time, time);
 }
 
 String RenderMediaControls::formatMediaControlsCurrentTime(float currentTime, float duration)
 {
     return formatChromiumMediaControlsTime(currentTime, duration);
 }
 
 } // namespace blink