Adds keyboard functionality for videos.

third_party/WebKit/Source/modules/media_controls/MediaControlsMediaEventListener.cpp

 // Copyright 2016 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 "modules/media_controls/MediaControlsMediaEventListener.h"
 
 #include "core/events/Event.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/track/TextTrackList.h"
 #include "modules/media_controls/MediaControlsImpl.h"
@@ skipping 17 matching lines @@
   GetMediaElement().addEventListener(EventTypeNames::focusin, this, false);
   GetMediaElement().addEventListener(EventTypeNames::timeupdate, this, false);
   GetMediaElement().addEventListener(EventTypeNames::play, this, false);
   GetMediaElement().addEventListener(EventTypeNames::playing, this, false);
   GetMediaElement().addEventListener(EventTypeNames::pause, this, false);
   GetMediaElement().addEventListener(EventTypeNames::durationchange, this,
                                      false);
   GetMediaElement().addEventListener(EventTypeNames::error, this, false);
   GetMediaElement().addEventListener(EventTypeNames::loadedmetadata, this,
                                      false);
+  GetMediaElement().addEventListener(EventTypeNames::keypress, this, false);
+  GetMediaElement().addEventListener(EventTypeNames::keydown, this, false);
+  GetMediaElement().addEventListener(EventTypeNames::keyup, this, false);
 
   // Listen to two different fullscreen events in order to make sure the new and
   // old APIs are handled.
   GetMediaElement().addEventListener(EventTypeNames::webkitfullscreenchange,
                                      this, false);
   media_controls_->GetDocument().addEventListener(
       EventTypeNames::fullscreenchange, this, false);
 
   // TextTracks events.
   TextTrackList* text_tracks = GetMediaElement().textTracks();
@@ skipping 126 matching lines @@
     media_controls_->OnTextTracksAddedOrRemoved();
     return;
   }
   if (event->type() == EventTypeNames::change) {
     media_controls_->OnTextTracksChanged();
     return;
   }
 
   // Keypress events.
   if (event->type() == EventTypeNames::keypress) {
-    if (event->currentTarget() == media_controls_->PanelElement())
+    if (event->currentTarget() == media_controls_->PanelElement()) {
       media_controls_->OnPanelKeypress();
+      return;
+    }
+  }
+
+  if (event->type() == EventTypeNames::keypress ||
+      event->type() == EventTypeNames::keydown ||
+      event->type() == EventTypeNames::keyup) {
+    media_controls_->OnMediaKeyboardEvent(event);
     return;
   }
 
   // RemotePlayback state change events.
   if (event->type() == EventTypeNames::connect ||
       event->type() == EventTypeNames::connecting ||
       event->type() == EventTypeNames::disconnect) {
     media_controls_->RemotePlaybackStateChanged();
     return;
   }
 
   NOTREACHED();
 }
 
 void MediaControlsMediaEventListener::OnRemotePlaybackAvailabilityChanged() {
   media_controls_->RefreshCastButtonVisibility();
 }
 
 DEFINE_TRACE(MediaControlsMediaEventListener) {
   EventListener::Trace(visitor);
   visitor->Trace(media_controls_);
 }
 
 }  // namespace blink