LibMedia+LibWeb: Implement media pausing/resuming

Author: https://github.com/Zaggy1024
Commit: ee587cfec4
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/6410
Reviewed-by: https://github.com/R-Goc
Reviewed-by: https://github.com/gmta ✅

Libraries/LibMedia/PlaybackManager.cpp

@@ -92,7 +92,6 @@ PlaybackManager::PlaybackManager(NonnullRefPtr<MutexedDemuxer> const& demuxer, N
     , m_audio_tracks(audio_tracks)
     , m_audio_track_datas(audio_track_datas)
 {
-    m_time_provider->resume();
 }
 
 PlaybackManager::~PlaybackManager()
@@ -207,4 +206,14 @@ void PlaybackManager::disable_an_audio_track(Track const& track)
     m_audio_sink->set_provider(track, nullptr);
 }
 
+void PlaybackManager::play()
+{
+    m_time_provider->resume();
+}
+
+void PlaybackManager::pause()
+{
+    m_time_provider->pause();
+}
+
 }

Libraries/LibMedia/PlaybackManager.h

@@ -60,6 +60,9 @@ public:
     void enable_an_audio_track(Track const& track);
     void disable_an_audio_track(Track const& track);
 
+    void play();
+    void pause();
+
     Function<void(DecoderError&&)> on_error;
 
 private:

Libraries/LibWeb/HTML/HTMLMediaElement.cpp

@@ -1775,7 +1775,8 @@ void HTMLMediaElement::notify_about_playing()
         resolve_pending_play_promises(promises);
     });
 
-    // FIXME: Implement resuming in PlaybackManager.
+    if (m_playback_manager)
+        m_playback_manager->play();
 
     if (m_audio_tracks->has_enabled_track())
         document().page().client().page_did_change_audio_play_state(AudioPlayState::Playing);
@@ -1800,7 +1801,8 @@ void HTMLMediaElement::set_paused(bool paused)
     m_paused = paused;
 
     if (m_paused) {
-        // FIXME: Implement pausing in PlaybackManager.
+        if (m_playback_manager)
+            m_playback_manager->pause();
 
         if (m_audio_tracks->has_enabled_track())
             document().page().client().page_did_change_audio_play_state(AudioPlayState::Paused);