Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- `app/controllers/concerns/sign_in_token_authentication_concern.rb`:
  Conflict due to glitch-soc's theming system.
  Ported upstream changes.
- `app/controllers/concerns/two_factor_authentication_concern.rb`:
  Conflict due to glitch-soc's theming system.
  Ported upstream changes.

9 files changed, 768 insertions, 194 deletions

diff --git a/app/javascript/mastodon/components/media_gallery.js b/app/javascript/mastodon/components/media_gallery.js
index a31de206b..0ec866138 100644
--- a/app/javascript/mastodon/components/media_gallery.js
+++ b/app/javascript/mastodon/components/media_gallery.js
@@ -8,10 +8,10 @@ import { isIOS } from '../is_mobile';
 import classNames from 'classnames';
 import { autoPlayGif, cropImages, displayMedia, useBlurhash } from '../initial_state';
 import { decode } from 'blurhash';
+import { debounce } from 'lodash';
 
 const messages = defineMessages({
-  toggle_visible: { id: 'media_gallery.toggle_visible',
-    defaultMessage: 'Hide {number, plural, one {image} other {images}}' },
+  toggle_visible: { id: 'media_gallery.toggle_visible', defaultMessage: 'Hide {number, plural, one {image} other {images}}' },
 });
 
 class Item extends React.PureComponent {
@@ -267,6 +267,14 @@ class MediaGallery extends React.PureComponent {
     width: this.props.defaultWidth,
   };
 
+  componentDidMount () {
+    window.addEventListener('resize', this.handleResize, { passive: true });
+  }
+
+  componentWillUnmount () {
+    window.removeEventListener('resize', this.handleResize);
+  }
+
   componentWillReceiveProps (nextProps) {
     if (!is(nextProps.media, this.props.media) && nextProps.visible === undefined) {
       this.setState({ visible: displayMedia !== 'hide_all' && !nextProps.sensitive || displayMedia === 'show_all' });
@@ -275,6 +283,14 @@ class MediaGallery extends React.PureComponent {
     }
   }
 
+  handleResize = debounce(() => {
+    if (this.node) {
+      this._setDimensions();
+    }
+  }, 250, {
+    trailing: true,
+  });
+
   handleOpen = () => {
     if (this.props.onToggleVisibility) {
       this.props.onToggleVisibility();
@@ -287,15 +303,25 @@ class MediaGallery extends React.PureComponent {
     this.props.onOpenMedia(this.props.media, index);
   }
 
-  handleRef = (node) => {
-    if (node) {
-      // offsetWidth triggers a layout, so only calculate when we need to
-      if (this.props.cacheWidth) this.props.cacheWidth(node.offsetWidth);
+  handleRef = c => {
+    this.node = c;
+
+    if (this.node) {
+      this._setDimensions();
+    }
+  }
+
+  _setDimensions () {
+    const width = this.node.offsetWidth;
 
-      this.setState({
-        width: node.offsetWidth,
-      });
+    // offsetWidth triggers a layout, so only calculate when we need to
+    if (this.props.cacheWidth) {
+      this.props.cacheWidth(width);
     }
+
+    this.setState({
+      width: width,
+    });
   }
 
   isFullSizeEligible() {
diff --git a/app/javascript/mastodon/components/status.js b/app/javascript/mastodon/components/status.js
index f99ccd39a..5f42534ba 100644
--- a/app/javascript/mastodon/components/status.js
+++ b/app/javascript/mastodon/components/status.js
@@ -345,9 +345,11 @@ class Status extends ImmutablePureComponent {
               <Component
                 src={attachment.get('url')}
                 alt={attachment.get('description')}
+                poster={status.getIn(['account', 'avatar_static'])}
                 duration={attachment.getIn(['meta', 'original', 'duration'], 0)}
-                peaks={[0]}
-                height={70}
+                width={this.props.cachedMediaWidth}
+                height={110}
+                cacheWidth={this.props.cacheMediaWidth}
               />
             )}
           </Bundle>
diff --git a/app/javascript/mastodon/features/audio/index.js b/app/javascript/mastodon/features/audio/index.js
index baad1c0e5..9da143c96 100644
--- a/app/javascript/mastodon/features/audio/index.js
+++ b/app/javascript/mastodon/features/audio/index.js
@@ -1,11 +1,136 @@
 import React from 'react';
 import PropTypes from 'prop-types';
-import WaveSurfer from 'wavesurfer.js';
 import { defineMessages, injectIntl } from 'react-intl';
 import { formatTime } from 'mastodon/features/video';
 import Icon from 'mastodon/components/icon';
 import classNames from 'classnames';
 import { throttle } from 'lodash';
+import { encode, decode } from 'blurhash';
+import { getPointerPosition, fileNameFromURL } from 'mastodon/features/video';
+import { debounce } from 'lodash';
+
+const digitCharacters = [
+  '0',
+  '1',
+  '2',
+  '3',
+  '4',
+  '5',
+  '6',
+  '7',
+  '8',
+  '9',
+  'A',
+  'B',
+  'C',
+  'D',
+  'E',
+  'F',
+  'G',
+  'H',
+  'I',
+  'J',
+  'K',
+  'L',
+  'M',
+  'N',
+  'O',
+  'P',
+  'Q',
+  'R',
+  'S',
+  'T',
+  'U',
+  'V',
+  'W',
+  'X',
+  'Y',
+  'Z',
+  'a',
+  'b',
+  'c',
+  'd',
+  'e',
+  'f',
+  'g',
+  'h',
+  'i',
+  'j',
+  'k',
+  'l',
+  'm',
+  'n',
+  'o',
+  'p',
+  'q',
+  'r',
+  's',
+  't',
+  'u',
+  'v',
+  'w',
+  'x',
+  'y',
+  'z',
+  '#',
+  '$',
+  '%',
+  '*',
+  '+',
+  ',',
+  '-',
+  '.',
+  ':',
+  ';',
+  '=',
+  '?',
+  '@',
+  '[',
+  ']',
+  '^',
+  '_',
+  '{',
+  '|',
+  '}',
+  '~',
+];
+
+const decode83 = (str) => {
+  let value = 0;
+  let c, digit;
+
+  for (let i = 0; i < str.length; i++) {
+    c = str[i];
+    digit = digitCharacters.indexOf(c);
+    value = value * 83 + digit;
+  }
+
+  return value;
+};
+
+const decodeRGB = int => ({
+  r: Math.max(0, (int >> 16)),
+  g: Math.max(0, (int >> 8) & 255),
+  b: Math.max(0, (int & 255)),
+});
+
+const luma = ({ r, g, b }) => 0.2126 * r + 0.7152 * g + 0.0722 * b;
+
+const adjustColor = ({ r, g, b }, lumaThreshold = 100) => {
+  let delta;
+
+  if (luma({ r, g, b }) >= lumaThreshold) {
+    delta = -80;
+  } else {
+    delta = 80;
+  }
+
+  return {
+    r: r + delta,
+    g: g + delta,
+    b: b + delta,
+  };
+};
 
 const messages = defineMessages({
   play: { id: 'video.play', defaultMessage: 'Play' },
@@ -15,132 +140,168 @@ const messages = defineMessages({
   download: { id: 'video.download', defaultMessage: 'Download file' },
 });
 
+const TICK_SIZE = 10;
+const PADDING   = 180;
+
 export default @injectIntl
 class Audio extends React.PureComponent {
 
   static propTypes = {
     src: PropTypes.string.isRequired,
     alt: PropTypes.string,
+    poster: PropTypes.string,
     duration: PropTypes.number,
-    peaks: PropTypes.arrayOf(PropTypes.number),
+    width: PropTypes.number,
     height: PropTypes.number,
-    preload: PropTypes.bool,
     editable: PropTypes.bool,
     intl: PropTypes.object.isRequired,
+    cacheWidth: PropTypes.func,
   };
 
   state = {
+    width: this.props.width,
     currentTime: 0,
+    buffer: 0,
     duration: null,
     paused: true,
     muted: false,
     volume: 0.5,
+    dragging: false,
+    color: { r: 255, g: 255, b: 255 },
   };
 
-  // Hard coded in components.scss
-  // Any way to get ::before values programatically?
-  volWidth  = 50;
-  volOffset = 70;
+  setPlayerRef = c => {
+    this.player = c;
 
-  volHandleOffset = v => {
-    const offset = v * this.volWidth + this.volOffset;
+    if (this.player) {
+      this._setDimensions();
+    }
+  }
+
+  _setDimensions () {
+    const width  = this.player.offsetWidth;
+    const height = width / (16/9);
+
+    if (this.props.cacheWidth) {
+      this.props.cacheWidth(width);
+    }
 
-    return (offset > 110) ? 110 : offset;
+    this.setState({ width, height });
+  }
+
+  setSeekRef = c => {
+    this.seek = c;
   }
 
   setVolumeRef = c => {
     this.volume = c;
   }
 
-  setWaveformRef = c => {
-    this.waveform = c;
+  setAudioRef = c => {
+    this.audio = c;
+
+    if (this.audio) {
+      this.setState({ volume: this.audio.volume, muted: this.audio.muted });
+    }
   }
 
-  componentDidMount () {
-    if (this.waveform) {
-      this._updateWaveform();
+  setBlurhashCanvasRef = c => {
+    this.blurhashCanvas = c;
+  }
+
+  setCanvasRef = c => {
+    this.canvas = c;
+
+    if (c) {
+      this.canvasContext = c.getContext('2d');
     }
+  }
 
+  componentDidMount () {
     window.addEventListener('scroll', this.handleScroll);
+    window.addEventListener('resize', this.handleResize, { passive: true });
+
+    const img = new Image();
+    img.crossOrigin = 'anonymous';
+    img.onload = () => this.handlePosterLoad(img);
+    img.src = this.props.poster;
   }
 
-  componentDidUpdate (prevProps) {
-    if (this.waveform && prevProps.src !== this.props.src) {
-      this._updateWaveform();
+  componentDidUpdate (prevProps, prevState) {
+    if (prevProps.poster !== this.props.poster) {
+      const img = new Image();
+      img.crossOrigin = 'anonymous';
+      img.onload = () => this.handlePosterLoad(img);
+      img.src = this.props.poster;
     }
+
+    if (prevState.blurhash !== this.state.blurhash) {
+      const context = this.blurhashCanvas.getContext('2d');
+      const pixels = decode(this.state.blurhash, 32, 32);
+      const outputImageData = new ImageData(pixels, 32, 32);
+
+      context.putImageData(outputImageData, 0, 0);
+    }
+
+    this._clear();
+    this._draw();
   }
 
   componentWillUnmount () {
     window.removeEventListener('scroll', this.handleScroll);
+    window.removeEventListener('resize', this.handleResize);
+  }
 
-    if (this.wavesurfer) {
-      this.wavesurfer.destroy();
-      this.wavesurfer = null;
+  togglePlay = () => {
+    if (this.state.paused) {
+      this.setState({ paused: false }, () => this.audio.play());
+    } else {
+      this.setState({ paused: true }, () => this.audio.pause());
     }
   }
 
-  _updateWaveform () {
-    const { src, height, duration, peaks, preload } = this.props;
-
-    const progressColor = window.getComputedStyle(document.querySelector('.audio-player__progress-placeholder')).getPropertyValue('background-color');
-    const waveColor     = window.getComputedStyle(document.querySelector('.audio-player__wave-placeholder')).getPropertyValue('background-color');
-
-    if (this.wavesurfer) {
-      this.wavesurfer.destroy();
-      this.loaded = false;
+  handleResize = debounce(() => {
+    if (this.player) {
+      this._setDimensions();
     }
+  }, 250, {
+    trailing: true,
+  });
 
-    const wavesurfer = WaveSurfer.create({
-      container: this.waveform,
-      height,
-      barWidth: 3,
-      cursorWidth: 0,
-      progressColor,
-      waveColor,
-      backend: 'MediaElement',
-      interact: preload,
-    });
-
-    wavesurfer.setVolume(this.state.volume);
+  handlePlay = () => {
+    this.setState({ paused: false });
 
-    if (preload) {
-      wavesurfer.load(src);
-      this.loaded = true;
-    } else {
-      wavesurfer.load(src, peaks, 'none', duration);
-      this.loaded = false;
+    if (this.canvas && !this.audioContext) {
+      this._initAudioContext();
     }
 
-    wavesurfer.on('ready', () => this.setState({ duration: Math.floor(wavesurfer.getDuration()) }));
-    wavesurfer.on('audioprocess', () => this.setState({ currentTime: Math.floor(wavesurfer.getCurrentTime()) }));
-    wavesurfer.on('pause', () => this.setState({ paused: true }));
-    wavesurfer.on('play', () => this.setState({ paused: false }));
-    wavesurfer.on('volume', volume => this.setState({ volume }));
-    wavesurfer.on('mute', muted => this.setState({ muted }));
+    if (this.audioContext && this.audioContext.state === 'suspended') {
+      this.audioContext.resume();
+    }
 
-    this.wavesurfer = wavesurfer;
+    this._renderCanvas();
   }
 
-  togglePlay = () => {
-    if (this.state.paused) {
-      if (!this.props.preload && !this.loaded) {
-        this.wavesurfer.createBackend();
-        this.wavesurfer.createPeakCache();
-        this.wavesurfer.load(this.props.src);
-        this.wavesurfer.toggleInteraction();
-        this.wavesurfer.setVolume(this.state.volume);
-        this.loaded = true;
-      }
+  handlePause = () => {
+    this.setState({ paused: true });
 
-      this.setState({ paused: false }, () => this.wavesurfer.play());
-    } else {
-      this.setState({ paused: true }, () => this.wavesurfer.pause());
+    if (this.audioContext) {
+      this.audioContext.suspend();
+    }
+  }
+
+  handleProgress = () => {
+    if (this.audio.buffered.length > 0) {
+      this.setState({ buffer: this.audio.buffered.end(0) / this.audio.duration * 100 });
     }
   }
 
   toggleMute = () => {
     const muted = !this.state.muted;
-    this.setState({ muted }, () => this.wavesurfer.setMute(muted));
+
+    this.setState({ muted }, () => {
+      this.audio.muted = muted;
+    });
   }
 
   handleVolumeMouseDown = e => {
@@ -162,74 +323,374 @@ class Audio extends React.PureComponent {
     document.removeEventListener('touchend', this.handleVolumeMouseUp, true);
   }
 
-  handleMouseVolSlide = throttle(e => {
-    const rect = this.volume.getBoundingClientRect();
-    const x    = (e.clientX - rect.left) / this.volWidth; // x position within the element.
+  handleMouseDown = e => {
+    document.addEventListener('mousemove', this.handleMouseMove, true);
+    document.addEventListener('mouseup', this.handleMouseUp, true);
+    document.addEventListener('touchmove', this.handleMouseMove, true);
+    document.addEventListener('touchend', this.handleMouseUp, true);
 
-    if(!isNaN(x)) {
-      let slideamt = x;
+    this.setState({ dragging: true });
+    this.audio.pause();
+    this.handleMouseMove(e);
 
-      if (x > 1) {
-        slideamt = 1;
-      } else if(x < 0) {
-        slideamt = 0;
-      }
+    e.preventDefault();
+    e.stopPropagation();
+  }
+
+  handleMouseUp = () => {
+    document.removeEventListener('mousemove', this.handleMouseMove, true);
+    document.removeEventListener('mouseup', this.handleMouseUp, true);
+    document.removeEventListener('touchmove', this.handleMouseMove, true);
+    document.removeEventListener('touchend', this.handleMouseUp, true);
 
-      this.wavesurfer.setVolume(slideamt);
+    this.setState({ dragging: false });
+    this.audio.play();
+  }
+
+  handleMouseMove = throttle(e => {
+    const { x } = getPointerPosition(this.seek, e);
+    const currentTime = Math.floor(this.audio.duration * x);
+
+    if (!isNaN(currentTime)) {
+      this.setState({ currentTime }, () => {
+        this.audio.currentTime = currentTime;
+      });
+    }
+  }, 60);
+
+  handleTimeUpdate = () => {
+    this.setState({
+      currentTime: Math.floor(this.audio.currentTime),
+      duration: Math.floor(this.audio.duration),
+    });
+  }
+
+  handleMouseVolSlide = throttle(e => {
+    const { x } = getPointerPosition(this.volume, e);
+
+    if(!isNaN(x)) {
+      this.setState({ volume: x }, () => {
+        this.audio.volume = x;
+      });
     }
   }, 60);
 
   handleScroll = throttle(() => {
-    if (!this.waveform || !this.wavesurfer) {
+    if (!this.canvas || !this.audio) {
       return;
     }
 
-    const { top, height } = this.waveform.getBoundingClientRect();
+    const { top, height } = this.canvas.getBoundingClientRect();
     const inView = (top <= (window.innerHeight || document.documentElement.clientHeight)) && (top + height >= 0);
 
     if (!this.state.paused && !inView) {
-      this.setState({ paused: true }, () => this.wavesurfer.pause());
+      this.setState({ paused: true }, () => this.audio.pause());
     }
-  }, 150, { trailing: true })
+  }, 150, { trailing: true });
 
-  render () {
-    const { height, intl, alt, editable } = this.props;
-    const { paused, muted, volume, currentTime } = this.state;
+  handleMouseEnter = () => {
+    this.setState({ hovered: true });
+  }
+
+  handleMouseLeave = () => {
+    this.setState({ hovered: false });
+  }
+
+  _initAudioContext () {
+    const context  = new AudioContext();
+    const analyser = context.createAnalyser();
+    const source   = context.createMediaElementSource(this.audio);
+
+    analyser.smoothingTimeConstant = 0.6;
+    analyser.fftSize = 2048;
+
+    source.connect(analyser);
+    source.connect(context.destination);
+
+    this.audioContext = context;
+    this.analyser = analyser;
+  }
+
+  handlePosterLoad = image => {
+    const canvas = document.createElement('canvas');
+    const context = canvas.getContext('2d');
+
+    canvas.width  = image.width;
+    canvas.height = image.height;
 
-    const volumeWidth     = muted ? 0 : volume * this.volWidth;
-    const volumeHandleLoc = muted ? this.volHandleOffset(0) : this.volHandleOffset(volume);
+    context.drawImage(image, 0, 0);
+
+    const inputImageData = context.getImageData(0, 0, image.width, image.height);
+    const blurhash = encode(inputImageData.data, image.width, image.height, 4, 4);
+    const averageColor = decodeRGB(decode83(blurhash.slice(2, 6)));
+
+    this.setState({
+      blurhash,
+      color: adjustColor(averageColor),
+      darkText: luma(averageColor) >= 165,
+    });
+  }
+
+  handleDownload = () => {
+    fetch(this.props.src).then(res => res.blob()).then(blob => {
+      const element   = document.createElement('a');
+      const objectURL = URL.createObjectURL(blob);
+
+      element.setAttribute('href', objectURL);
+      element.setAttribute('download', fileNameFromURL(this.props.src));
+
+      document.body.appendChild(element);
+      element.click();
+      document.body.removeChild(element);
+
+      URL.revokeObjectURL(objectURL);
+    }).catch(err => {
+      console.error(err);
+    });
+  }
+
+  _renderCanvas () {
+    requestAnimationFrame(() => {
+      this._clear();
+      this._draw();
+
+      if (!this.state.paused) {
+        this._renderCanvas();
+      }
+    });
+  }
+
+  _clear () {
+    this.canvasContext.clearRect(0, 0, this.state.width, this.state.height);
+  }
+
+  _draw () {
+    this.canvasContext.save();
+
+    const ticks = this._getTicks(360 * this._getScaleCoefficient(), TICK_SIZE);
+
+    ticks.forEach(tick => {
+      this._drawTick(tick.x1, tick.y1, tick.x2, tick.y2);
+    });
+
+    this.canvasContext.restore();
+  }
+
+  _getRadius () {
+    return parseInt(((this.state.height || this.props.height) - (PADDING * this._getScaleCoefficient()) * 2) / 2);
+  }
+
+  _getScaleCoefficient () {
+    return (this.state.height || this.props.height) / 982;
+  }
+
+  _getTicks (count, size, animationParams = [0, 90]) {
+    const radius = this._getRadius();
+    const ticks = this._getTickPoints(count);
+    const lesser = 200;
+    const m = [];
+    const bufferLength = this.analyser ? this.analyser.frequencyBinCount : 0;
+    const frequencyData = new Uint8Array(bufferLength);
+    const allScales = [];
+    const scaleCoefficient = this._getScaleCoefficient();
+
+    if (this.analyser) {
+      this.analyser.getByteFrequencyData(frequencyData);
+    }
+
+    ticks.forEach((tick, i) => {
+      const coef = 1 - i / (ticks.length * 2.5);
+
+      let delta = ((frequencyData[i] || 0) - lesser * coef) * scaleCoefficient;
+
+      if (delta < 0) {
+        delta = 0;
+      }
+
+      let k;
+
+      if (animationParams[0] <= tick.angle && tick.angle <= animationParams[1]) {
+        k = radius / (radius - this._getSize(tick.angle, animationParams[0], animationParams[1]) - delta);
+      } else {
+        k = radius / (radius - (size + delta));
+      }
+
+      const x1 = tick.x * (radius - size);
+      const y1 = tick.y * (radius - size);
+      const x2 = x1 * k;
+      const y2 = y1 * k;
+
+      m.push({ x1, y1, x2, y2 });
+
+      if (i < 20) {
+        let scale = delta / (200 * scaleCoefficient);
+        scale = scale < 1 ? 1 : scale;
+        allScales.push(scale);
+      }
+    });
+
+    const scale = allScales.reduce((pv, cv) => pv + cv, 0) / allScales.length;
+
+    return m.map(({ x1, y1, x2, y2 }) => ({
+      x1: x1,
+      y1: y1,
+      x2: x2 * scale,
+      y2: y2 * scale,
+    }));
+  }
+
+  _getSize (angle, l, r) {
+    const scaleCoefficient = this._getScaleCoefficient();
+    const maxTickSize = TICK_SIZE * 9 * scaleCoefficient;
+    const m = (r - l) / 2;
+    const x = (angle - l);
+
+    let h;
+
+    if (x === m) {
+      return maxTickSize;
+    }
+
+    const d = Math.abs(m - x);
+    const v = 40 * Math.sqrt(1 / d);
+
+    if (v > maxTickSize) {
+      h = maxTickSize;
+    } else {
+      h = Math.max(TICK_SIZE, v);
+    }
+
+    return h;
+  }
+
+  _getTickPoints (count) {
+    const PI = 360;
+    const coords = [];
+    const step = PI / count;
+
+    let rad;
+
+    for(let deg = 0; deg < PI; deg += step) {
+      rad = deg * Math.PI / (PI / 2);
+      coords.push({ x: Math.cos(rad), y: -Math.sin(rad), angle: deg });
+    }
+
+    return coords;
+  }
+
+  _drawTick (x1, y1, x2, y2) {
+    const cx = this._getCX();
+    const cy = this._getCY();
+
+    const dx1 = Math.ceil(cx + x1);
+    const dy1 = Math.ceil(cy + y1);
+    const dx2 = Math.ceil(cx + x2);
+    const dy2 = Math.ceil(cy + y2);
+
+    const gradient = this.canvasContext.createLinearGradient(dx1, dy1, dx2, dy2);
+
+    const mainColor = `rgb(${this.state.color.r}, ${this.state.color.g}, ${this.state.color.b})`;
+    const lastColor = `rgba(${this.state.color.r}, ${this.state.color.g}, ${this.state.color.b}, 0)`;
+
+    gradient.addColorStop(0, mainColor);
+    gradient.addColorStop(0.6, mainColor);
+    gradient.addColorStop(1, lastColor);
+
+    this.canvasContext.beginPath();
+    this.canvasContext.strokeStyle = gradient;
+    this.canvasContext.lineWidth = 2;
+    this.canvasContext.moveTo(dx1, dy1);
+    this.canvasContext.lineTo(dx2, dy2);
+    this.canvasContext.stroke();
+  }
+
+  _getCX() {
+    return Math.floor(this.state.width / 2);
+  }
+
+  _getCY() {
+    return Math.floor(this._getRadius() + (PADDING * this._getScaleCoefficient()));
+  }
+
+  _getColor () {
+    return `rgb(${this.state.color.r}, ${this.state.color.g}, ${this.state.color.b})`;
+  }
+
+  render () {
+    const { src, intl, alt, editable } = this.props;
+    const { paused, muted, volume, currentTime, duration, buffer, darkText, dragging } = this.state;
+    const progress = (currentTime / duration) * 100;
 
     return (
-      <div className={classNames('audio-player', { editable })}>
-        <div className='audio-player__progress-placeholder' style={{ display: 'none' }} />
-        <div className='audio-player__wave-placeholder' style={{ display: 'none' }} />
+      <div className={classNames('audio-player', { editable, 'with-light-background': darkText })} ref={this.setPlayerRef} style={{ width: '100%', height: this.state.height || this.props.height }} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
+        <audio
+          src={src}
+          ref={this.setAudioRef}
+          preload='none'
+          onPlay={this.handlePlay}
+          onPause={this.handlePause}
+          onProgress={this.handleProgress}
+          onTimeUpdate={this.handleTimeUpdate}
+          crossOrigin='anonymous'
+        />
 
-        <div
-          className='audio-player__waveform'
+        <canvas
+          className='audio-player__background'
+          onClick={this.togglePlay}
+          width='32'
+          height='32'
+          style={{ width: this.state.width, height: this.state.height, position: 'absolute', top: 0, left: 0 }}
+          ref={this.setBlurhashCanvasRef}
           aria-label={alt}
           title={alt}
-          style={{ height }}
-          ref={this.setWaveformRef}
+          role='button'
+          tabIndex='0'
+        />
+
+        <canvas
+          className='audio-player__canvas'
+          width={this.state.width}
+          height={this.state.height}
+          style={{ width: '100%', position: 'absolute', top: 0, left: 0, pointerEvents: 'none' }}
+          ref={this.setCanvasRef}
         />
 
+        <img
+          src={this.props.poster}
+          alt=''
+          width={(this._getRadius() - TICK_SIZE) * 2}
+          height={(this._getRadius() - TICK_SIZE) * 2}
+          style={{ position: 'absolute', left: this._getCX(), top: this._getCY(), transform: 'translate(-50%, -50%)', borderRadius: '50%', pointerEvents: 'none' }}
+        />
+
+        <div className='video-player__seek' onMouseDown={this.handleMouseDown} ref={this.setSeekRef}>
+          <div className='video-player__seek__buffer' style={{ width: `${buffer}%` }} />
+          <div className='video-player__seek__progress' style={{ width: `${progress}%`, backgroundColor: this._getColor() }} />
+
+          <span
+            className={classNames('video-player__seek__handle', { active: dragging })}
+            tabIndex='0'
+            style={{ left: `${progress}%`, backgroundColor: this._getColor() }}
+          />
+        </div>
+
         <div className='video-player__controls active'>
           <div className='video-player__buttons-bar'>
             <div className='video-player__buttons left'>
               <button type='button' title={intl.formatMessage(paused ? messages.play : messages.pause)} aria-label={intl.formatMessage(paused ? messages.play : messages.pause)} onClick={this.togglePlay}><Icon id={paused ? 'play' : 'pause'} fixedWidth /></button>
               <button type='button' title={intl.formatMessage(muted ? messages.unmute : messages.mute)} aria-label={intl.formatMessage(muted ? messages.unmute : messages.mute)} onClick={this.toggleMute}><Icon id={muted ? 'volume-off' : 'volume-up'} fixedWidth /></button>
 
-              <div className='video-player__volume' onMouseDown={this.handleVolumeMouseDown} ref={this.setVolumeRef}>
-                &nbsp;
-                <div className='video-player__volume__current' style={{ width: `${volumeWidth}px` }} />
+              <div className={classNames('video-player__volume', { active: this.state.hovered })} ref={this.setVolumeRef} onMouseDown={this.handleVolumeMouseDown}>
+                <div className='video-player__volume__current' style={{ width: `${volume * 100}%`, backgroundColor: this._getColor() }} />
 
                 <span
                   className={classNames('video-player__volume__handle')}
                   tabIndex='0'
-                  style={{ left: `${volumeHandleLoc}px` }}
+                  style={{ left: `${volume * 100}%`, backgroundColor: this._getColor() }}
                 />
               </div>
 
-              <span>
+              <span className='video-player__time'>
                 <span className='video-player__time-current'>{formatTime(currentTime)}</span>
                 <span className='video-player__time-sep'>/</span>
                 <span className='video-player__time-total'>{formatTime(this.state.duration || Math.floor(this.props.duration))}</span>
@@ -237,11 +698,7 @@ class Audio extends React.PureComponent {
             </div>
 
             <div className='video-player__buttons right'>
-              <button type='button' title={intl.formatMessage(messages.download)} aria-label={intl.formatMessage(messages.download)}>
-                <a className='video-player__download__icon' href={this.props.src} download>
-                  <Icon id={'download'} fixedWidth />
-                </a>
-              </button>
+              <button type='button' title={intl.formatMessage(messages.download)} aria-label={intl.formatMessage(messages.download)} onClick={this.handleDownload}><Icon id='download' fixedWidth /></button>
             </div>
           </div>
         </div>
diff --git a/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js b/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
index a6186010b..360a7af6a 100644
--- a/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
+++ b/app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js
@@ -203,7 +203,7 @@ class EmojiPickerMenu extends React.PureComponent {
     if (!emoji.native) {
       emoji.native = emoji.colons;
     }
-    if (!event.ctrlKey) {
+    if (!(event.ctrlKey || event.metaKey)) {
       this.props.onClose();
     }
     this.props.onPick(emoji);
diff --git a/app/javascript/mastodon/features/status/components/card.js b/app/javascript/mastodon/features/status/components/card.js
index 630e99f2c..4442ab495 100644
--- a/app/javascript/mastodon/features/status/components/card.js
+++ b/app/javascript/mastodon/features/status/components/card.js
@@ -9,6 +9,7 @@ import Icon from 'mastodon/components/icon';
 import classNames from 'classnames';
 import { useBlurhash } from 'mastodon/initial_state';
 import { decode } from 'blurhash';
+import { debounce } from 'lodash';
 
 const IDNA_PREFIX = 'xn--';
 
@@ -92,13 +93,20 @@ export default class Card extends React.PureComponent {
   }
 
   componentDidMount () {
+    window.addEventListener('resize', this.handleResize, { passive: true });
+
     if (this.props.card && this.props.card.get('blurhash')) {
       this._decode();
     }
   }
 
+  componentWillUnmount () {
+    window.removeEventListener('resize', this.handleResize);
+  }
+
   componentDidUpdate (prevProps) {
     const { card } = this.props;
+
     if (card.get('blurhash') && (!prevProps.card || prevProps.card.get('blurhash') !== card.get('blurhash'))) {
       this._decode();
     }
@@ -118,6 +126,24 @@ export default class Card extends React.PureComponent {
     }
   }
 
+  _setDimensions () {
+    const width = this.node.offsetWidth;
+
+    if (this.props.cacheWidth) {
+      this.props.cacheWidth(width);
+    }
+
+    this.setState({ width });
+  }
+
+  handleResize = debounce(() => {
+    if (this.node) {
+      this._setDimensions();
+    }
+  }, 250, {
+    trailing: true,
+  });
+
   handlePhotoClick = () => {
     const { card, onOpenMedia } = this.props;
 
@@ -150,9 +176,10 @@ export default class Card extends React.PureComponent {
   }
 
   setRef = c => {
-    if (c) {
-      if (this.props.cacheWidth) this.props.cacheWidth(c.offsetWidth);
-      this.setState({ width: c.offsetWidth });
+    this.node = c;
+
+    if (this.node) {
+      this._setDimensions();
     }
   }
 
diff --git a/app/javascript/mastodon/features/status/components/detailed_status.js b/app/javascript/mastodon/features/status/components/detailed_status.js
index 2ac47677e..72d15ddf7 100644
--- a/app/javascript/mastodon/features/status/components/detailed_status.js
+++ b/app/javascript/mastodon/features/status/components/detailed_status.js
@@ -117,8 +117,8 @@ export default class DetailedStatus extends ImmutablePureComponent {
             src={attachment.get('url')}
             alt={attachment.get('description')}
             duration={attachment.getIn(['meta', 'original', 'duration'], 0)}
-            height={110}
-            preload
+            poster={status.getIn(['account', 'avatar_static'])}
+            height={150}
           />
         );
       } else if (status.getIn(['media_attachments', 0, 'type']) === 'video') {
diff --git a/app/javascript/mastodon/features/ui/containers/status_list_container.js b/app/javascript/mastodon/features/ui/containers/status_list_container.js
index 9f6cbf988..4ce4ac6c8 100644
--- a/app/javascript/mastodon/features/ui/containers/status_list_container.js
+++ b/app/javascript/mastodon/features/ui/containers/status_list_container.js
@@ -17,6 +17,8 @@ const makeGetStatusIds = (pending = false) => createSelector([
     const statusForId = statuses.get(id);
     let showStatus    = true;
 
+    if (statusForId.get('account') === me) return true;
+
     if (columnSettings.getIn(['shows', 'reblog']) === false) {
       showStatus = showStatus && statusForId.get('reblog') === null;
     }
diff --git a/app/javascript/mastodon/features/video/index.js b/app/javascript/mastodon/features/video/index.js
index 95e107618..1f85375ff 100644
--- a/app/javascript/mastodon/features/video/index.js
+++ b/app/javascript/mastodon/features/video/index.js
@@ -2,7 +2,7 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import { fromJS, is } from 'immutable';
-import { throttle } from 'lodash';
+import { throttle, debounce } from 'lodash';
 import classNames from 'classnames';
 import { isFullscreen, requestFullscreen, exitFullscreen } from '../ui/util/fullscreen';
 import { displayMedia, useBlurhash } from '../../initial_state';
@@ -19,7 +19,6 @@ const messages = defineMessages({
   close: { id: 'video.close', defaultMessage: 'Close video' },
   fullscreen: { id: 'video.fullscreen', defaultMessage: 'Full screen' },
   exit_fullscreen: { id: 'video.exit_fullscreen', defaultMessage: 'Exit full screen' },
-  download: { id: 'video.download', defaultMessage: 'Download file' },
 });
 
 export const formatTime = secondsNum => {
@@ -87,6 +86,14 @@ export const getPointerPosition = (el, event) => {
   return position;
 };
 
+export const fileNameFromURL = str => {
+  const url      = new URL(str);
+  const pathname = url.pathname;
+  const index    = pathname.lastIndexOf('/');
+
+  return pathname.substring(index + 1);
+};
+
 export default @injectIntl
 class Video extends React.PureComponent {
 
@@ -126,27 +133,24 @@ class Video extends React.PureComponent {
     revealed: this.props.visible !== undefined ? this.props.visible : (displayMedia !== 'hide_all' && !this.props.sensitive || displayMedia === 'show_all'),
   };
 
-  // Hard-coded in components.scss
-  // Any way to get ::before values programatically?
-  volWidth  = 50;
-  volOffset = 70;
-
-  volHandleOffset = v => {
-    const offset = v * this.volWidth + this.volOffset;
-
-    return (offset > 110) ? 110 : offset;
-  }
-
   setPlayerRef = c => {
     this.player = c;
 
-    if (c) {
-      if (this.props.cacheWidth) this.props.cacheWidth(this.player.offsetWidth);
+    if (this.player) {
+      this._setDimensions();
+    }
+  }
 
-      this.setState({
-        containerWidth: c.offsetWidth,
-      });
+  _setDimensions () {
+    const width = this.player.offsetWidth;
+
+    if (this.props.cacheWidth) {
+      this.props.cacheWidth(width);
     }
+
+    this.setState({
+      containerWidth: width,
+    });
   }
 
   setVideoRef = c => {
@@ -206,20 +210,12 @@ class Video extends React.PureComponent {
   }
 
   handleMouseVolSlide = throttle(e => {
-    const rect = this.volume.getBoundingClientRect();
-    const x = (e.clientX - rect.left) / this.volWidth; //x position within the element.
+    const { x } = getPointerPosition(this.volume, e);
 
     if(!isNaN(x)) {
-      let slideamt = x;
-
-      if(x > 1) {
-        slideamt = 1;
-      } else if(x < 0) {
-        slideamt = 0;
-      }
-
-      this.video.volume = slideamt;
-      this.setState({ volume: slideamt });
+      this.setState({ volume: x }, () => {
+        this.video.volume = x;
+      });
     }
   }, 60);
 
@@ -280,6 +276,7 @@ class Video extends React.PureComponent {
     document.addEventListener('MSFullscreenChange', this.handleFullscreenChange, true);
 
     window.addEventListener('scroll', this.handleScroll);
+    window.addEventListener('resize', this.handleResize, { passive: true });
 
     if (this.props.blurhash) {
       this._decode();
@@ -288,6 +285,7 @@ class Video extends React.PureComponent {
 
   componentWillUnmount () {
     window.removeEventListener('scroll', this.handleScroll);
+    window.removeEventListener('resize', this.handleResize);
 
     document.removeEventListener('fullscreenchange', this.handleFullscreenChange, true);
     document.removeEventListener('webkitfullscreenchange', this.handleFullscreenChange, true);
@@ -325,6 +323,14 @@ class Video extends React.PureComponent {
     }
   }
 
+  handleResize = debounce(() => {
+    if (this.player) {
+      this._setDimensions();
+    }
+  }, 250, {
+    trailing: true,
+  });
+
   handleScroll = throttle(() => {
     if (!this.video) {
       return;
@@ -421,9 +427,6 @@ class Video extends React.PureComponent {
     const { preview, src, inline, startTime, onOpenVideo, onCloseVideo, intl, alt, detailed, sensitive, link, editable } = this.props;
     const { containerWidth, currentTime, duration, volume, buffer, dragging, paused, fullscreen, hovered, muted, revealed } = this.state;
     const progress = (currentTime / duration) * 100;
-
-    const volumeWidth = (muted) ? 0 : volume * this.volWidth;
-    const volumeHandleLoc = (muted) ? this.volHandleOffset(0) : this.volHandleOffset(volume);
     const playerStyle = {};
 
     let { width, height } = this.props;
@@ -510,18 +513,18 @@ class Video extends React.PureComponent {
               <button type='button' title={intl.formatMessage(paused ? messages.play : messages.pause)} aria-label={intl.formatMessage(paused ? messages.play : messages.pause)} onClick={this.togglePlay} autoFocus={detailed}><Icon id={paused ? 'play' : 'pause'} fixedWidth /></button>
               <button type='button' title={intl.formatMessage(muted ? messages.unmute : messages.mute)} aria-label={intl.formatMessage(muted ? messages.unmute : messages.mute)} onClick={this.toggleMute}><Icon id={muted ? 'volume-off' : 'volume-up'} fixedWidth /></button>
 
-              <div className='video-player__volume' onMouseDown={this.handleVolumeMouseDown} ref={this.setVolumeRef}>
-                &nbsp;
-                <div className='video-player__volume__current' style={{ width: `${volumeWidth}px` }} />
+              <div className={classNames('video-player__volume', { active: this.state.hovered })} onMouseDown={this.handleVolumeMouseDown} ref={this.setVolumeRef}>
+                <div className='video-player__volume__current' style={{ width: `${volume * 100}%` }} />
+
                 <span
                   className={classNames('video-player__volume__handle')}
                   tabIndex='0'
-                  style={{ left: `${volumeHandleLoc}px` }}
+                  style={{ left: `${volume * 100}%` }}
                 />
               </div>
 
               {(detailed || fullscreen) && (
-                <span>
+                <span className='video-player__time'>
                   <span className='video-player__time-current'>{formatTime(currentTime)}</span>
                   <span className='video-player__time-sep'>/</span>
                   <span className='video-player__time-total'>{formatTime(duration)}</span>
@@ -535,7 +538,6 @@ class Video extends React.PureComponent {
               {(!onCloseVideo && !editable && !fullscreen) && <button type='button' title={intl.formatMessage(messages.hide)} aria-label={intl.formatMessage(messages.hide)} onClick={this.toggleReveal}><Icon id='eye-slash' fixedWidth /></button>}
               {(!fullscreen && onOpenVideo) && <button type='button' title={intl.formatMessage(messages.expand)} aria-label={intl.formatMessage(messages.expand)} onClick={this.handleOpenVideo}><Icon id='expand' fixedWidth /></button>}
               {onCloseVideo && <button type='button' title={intl.formatMessage(messages.close)} aria-label={intl.formatMessage(messages.close)} onClick={this.handleCloseVideo}><Icon id='compress' fixedWidth /></button>}
-              <button type='button' title={intl.formatMessage(messages.download)} aria-label={intl.formatMessage(messages.download)}><a className='video-player__download__icon' href={this.props.src} download><Icon id={'download'} fixedWidth /></a></button>
               <button type='button' title={intl.formatMessage(fullscreen ? messages.exit_fullscreen : messages.fullscreen)} aria-label={intl.formatMessage(fullscreen ? messages.exit_fullscreen : messages.fullscreen)} onClick={this.toggleFullscreen}><Icon id={fullscreen ? 'compress' : 'arrows-alt'} fixedWidth /></button>
             </div>
           </div>
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index acbd21e8b..6b47ce211 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -5203,6 +5203,7 @@ a.status-card.compact:hover {
   border-radius: 4px;
   position: relative;
   width: 100%;
+  min-height: 64px;
 }
 
 .media-gallery__item {
@@ -5296,6 +5297,7 @@ a.status-card.compact:hover {
 }
 
 .audio-player {
+  overflow: hidden;
   box-sizing: border-box;
   position: relative;
   background: darken($ui-base-color, 8%);
@@ -5308,37 +5310,54 @@ a.status-card.compact:hover {
     height: 100%;
   }
 
-  &__waveform {
-    padding: 15px 0;
-    position: relative;
-    overflow: hidden;
+  .video-player__volume::before,
+  .video-player__seek::before {
+    background: rgba($white, 0.15);
+  }
 
-    &::before {
-      content: "";
-      display: block;
-      position: absolute;
-      border-top: 1px solid lighten($ui-base-color, 4%);
-      width: 100%;
-      height: 0;
-      left: 0;
-      top: calc(50% + 1px);
+  &.with-light-background {
+    color: $black;
+
+    .video-player__volume::before,
+    .video-player__seek::before {
+      background: rgba($black, 0.15);
+    }
+
+    .video-player__seek__buffer {
+      background: rgba($black, 0.2);
+    }
+
+    .video-player__buttons button {
+      color: rgba($black, 0.75);
+
+      &:active,
+      &:hover,
+      &:focus {
+        color: $black;
+      }
+    }
+
+    .video-player__time-sep,
+    .video-player__time-total,
+    .video-player__time-current {
+      color: $black;
     }
   }
 
-  &__progress-placeholder {
-    background-color: rgba(lighten($ui-highlight-color, 8%), 0.5);
+  .video-player__seek::before,
+  .video-player__seek__buffer,
+  .video-player__seek__progress {
+    top: 0;
   }
 
-  &__wave-placeholder {
-    background-color: lighten($ui-base-color, 16%);
+  .video-player__seek__handle {
+    top: -4px;
   }
 
   .video-player__controls {
     padding: 0 15px;
     padding-top: 10px;
-    background: darken($ui-base-color, 8%);
-    border-top: 1px solid lighten($ui-base-color, 4%);
-    border-radius: 0 0 4px 4px;
+    background: transparent;
   }
 }
 
@@ -5350,6 +5369,7 @@ a.status-card.compact:hover {
   border-radius: 4px;
   box-sizing: border-box;
   direction: ltr;
+  color: $white;
 
   &.editable {
     border-radius: 0;
@@ -5361,6 +5381,7 @@ a.status-card.compact:hover {
   }
 
   video {
+    display: block;
     max-width: 100vw;
     max-height: 80vh;
     z-index: 1;
@@ -5461,6 +5482,10 @@ a.status-card.compact:hover {
   }
 
   &__buttons {
+    display: flex;
+    flex: 0 1 auto;
+    min-width: 30px;
+    align-items: center;
     font-size: 16px;
     white-space: nowrap;
     overflow: hidden;
@@ -5479,6 +5504,7 @@ a.status-card.compact:hover {
     }
 
     button {
+      flex: 0 0 auto;
       background: transparent;
       padding: 2px 10px;
       font-size: 16px;
@@ -5493,6 +5519,13 @@ a.status-card.compact:hover {
     }
   }
 
+  &__time {
+    display: inline;
+    flex: 0 1 auto;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+
   &__time-sep,
   &__time-total,
   &__time-current {
@@ -5502,7 +5535,6 @@ a.status-card.compact:hover {
 
   &__time-current {
     color: $white;
-    margin-left: 60px;
   }
 
   &__time-sep {
@@ -5516,9 +5548,22 @@ a.status-card.compact:hover {
   }
 
   &__volume {
+    flex: 0 0 auto;
+    display: inline-flex;
     cursor: pointer;
     height: 24px;
-    display: inline;
+    position: relative;
+    overflow: hidden;
+
+    .no-reduce-motion & {
+      transition: all 100ms linear;
+    }
+
+    &.active {
+      overflow: visible;
+      width: 50px;
+      margin-right: 16px;
+    }
 
     &::before {
       content: "";
@@ -5528,8 +5573,9 @@ a.status-card.compact:hover {
       display: block;
       position: absolute;
       height: 4px;
-      left: 70px;
-      bottom: 20px;
+      left: 0;
+      top: 50%;
+      transform: translate(0, -50%);
     }
 
     &__current {
@@ -5537,8 +5583,9 @@ a.status-card.compact:hover {
       position: absolute;
       height: 4px;
       border-radius: 4px;
-      left: 70px;
-      bottom: 20px;
+      left: 0;
+      top: 50%;
+      transform: translate(0, -50%);
       background: lighten($ui-highlight-color, 8%);
     }
 
@@ -5548,12 +5595,21 @@ a.status-card.compact:hover {
       border-radius: 50%;
       width: 12px;
       height: 12px;
-      bottom: 16px;
-      left: 70px;
-      transition: opacity .1s ease;
+      top: 50%;
+      left: 0;
+      margin-left: -6px;
+      transform: translate(0, -50%);
       background: lighten($ui-highlight-color, 8%);
       box-shadow: 1px 2px 6px rgba($base-shadow-color, 0.2);
-      pointer-events: none;
+      opacity: 0;
+
+      .no-reduce-motion & {
+        transition: opacity 100ms linear;
+      }
+    }
+
+    &.active &__handle {
+      opacity: 1;
     }
   }
 
@@ -5613,10 +5669,12 @@ a.status-card.compact:hover {
       height: 12px;
       top: 6px;
       margin-left: -6px;
-      transition: opacity .1s ease;
       background: lighten($ui-highlight-color, 8%);
       box-shadow: 1px 2px 6px rgba($base-shadow-color, 0.2);
-      pointer-events: none;
+
+      .no-reduce-motion & {
+        transition: opacity .1s ease;
+      }
 
       &.active {
         opacity: 1;