1 files changed, 57 insertions, 3 deletions

diff --git a/app/javascript/flavours/glitch/features/audio/index.js b/app/javascript/flavours/glitch/features/audio/index.js
index 7a2fb7fb6..6d09ac8d2 100644
--- a/app/javascript/flavours/glitch/features/audio/index.js
+++ b/app/javascript/flavours/glitch/features/audio/index.js
@@ -37,7 +37,11 @@ class Audio extends React.PureComponent {
     backgroundColor: PropTypes.string,
     foregroundColor: PropTypes.string,
     accentColor: PropTypes.string,
+    currentTime: PropTypes.number,
     autoPlay: PropTypes.bool,
+    volume: PropTypes.number,
+    muted: PropTypes.bool,
+    deployPictureInPicture: PropTypes.func,
   };
 
   state = {
@@ -64,6 +68,19 @@ class Audio extends React.PureComponent {
     }
   }
 
+  _pack() {
+    return {
+      src: this.props.src,
+      volume: this.audio.volume,
+      muted: this.audio.muted,
+      currentTime: this.audio.currentTime,
+      poster: this.props.poster,
+      backgroundColor: this.props.backgroundColor,
+      foregroundColor: this.props.foregroundColor,
+      accentColor: this.props.accentColor,
+    };
+  }
+
   _setDimensions () {
     const width  = this.player.offsetWidth;
     const height = this.props.fullscreen ? this.player.offsetHeight : (width / (16/9));
@@ -100,6 +117,7 @@ class Audio extends React.PureComponent {
   }
  
   componentDidMount () {
+    window.addEventListener('scroll', this.handleScroll);
     window.addEventListener('resize', this.handleResize, { passive: true });
   }
 
@@ -115,7 +133,12 @@ class Audio extends React.PureComponent {
   }
 
   componentWillUnmount () {
+    window.removeEventListener('scroll', this.handleScroll);
     window.removeEventListener('resize', this.handleResize);
+
+    if (!this.state.paused && this.audio && this.props.deployPictureInPicture) {
+      this.props.deployPictureInPicture('audio', this._pack());
+    }
   }
 
   togglePlay = () => {
@@ -243,6 +266,25 @@ class Audio extends React.PureComponent {
     }
   }, 15);
 
+  handleScroll = throttle(() => {
+    if (!this.canvas || !this.audio) {
+      return;
+    }
+
+    const { top, height } = this.canvas.getBoundingClientRect();
+    const inView = (top <= (window.innerHeight || document.documentElement.clientHeight)) && (top + height >= 0);
+
+    if (!this.state.paused && !inView) {
+      this.audio.pause();
+
+      if (this.props.deployPictureInPicture) {
+        this.props.deployPictureInPicture('audio', this._pack());
+      }
+
+      this.setState({ paused: true });
+    }
+  }, 150, { trailing: true });
+
   handleMouseEnter = () => {
     this.setState({ hovered: true });
   }
@@ -252,10 +294,22 @@ class Audio extends React.PureComponent {
   }
 
   handleLoadedData = () => {
-    const { autoPlay } = this.props;
+    const { autoPlay, currentTime, volume, muted } = this.props;
+
+    if (currentTime) {
+      this.audio.currentTime = currentTime;
+    }
+
+    if (volume !== undefined) {
+      this.audio.volume = volume;
+    }
+
+    if (muted !== undefined) {
+      this.audio.muted = muted;
+    }
 
     if (autoPlay) {
-      this.audio.play();
+      this.togglePlay();
     }
   }
 
@@ -341,7 +395,7 @@ class Audio extends React.PureComponent {
   render () {
     const { src, intl, alt, editable, autoPlay } = this.props;
     const { paused, muted, volume, currentTime, duration, buffer, dragging } = this.state;
-    const progress = (currentTime / duration) * 100;
+    const progress = Math.min((currentTime / duration) * 100, 100);
 
     return (
       <div className={classNames('audio-player', { editable })} ref={this.setPlayerRef} style={{ backgroundColor: this._getBackgroundColor(), color: this._getForegroundColor(), width: '100%', height: this.props.fullscreen ? '100%' : (this.state.height || this.props.height) }} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>