| // Copyright 2019 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. |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIA_CONTROLS_MEDIA_CONTROLS_TEXT_TRACK_MANAGER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIA_CONTROLS_MEDIA_CONTROLS_TEXT_TRACK_MANAGER_H_ |
| |
| #include "base/macros.h" |
| #include "third_party/blink/renderer/modules/modules_export.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" |
| |
| namespace blink { |
| |
| class HTMLMediaElement; |
| class TextTrack; |
| |
| class MODULES_EXPORT MediaControlsTextTrackManager |
| : public GarbageCollected<MediaControlsTextTrackManager> { |
| public: |
| explicit MediaControlsTextTrackManager(HTMLMediaElement&); |
| |
| // Returns the label for the track when a valid track is passed in and "Off" |
| // when the parameter is null. |
| String GetTextTrackLabel(TextTrack*) const; |
| void ShowTextTrackAtIndex(unsigned); |
| void DisableShowingTextTracks(); |
| |
| virtual void Trace(Visitor*); |
| |
| private: |
| Member<HTMLMediaElement> media_element_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MediaControlsTextTrackManager); |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIA_CONTROLS_MEDIA_CONTROLS_TEXT_TRACK_MANAGER_H_ |