video.css.less

@import "elements.css.less";

#video {
  width: 100%;
  height: 100%;
  position: relative;
  
  ul.users {
    position: absolute;
    bottom: 20px;
    right: 20px;

    list-style: none;
    margin: 0;
    padding: 0;

    li.user {
      float: right;
      position: relative;
      box-sizing: border-box;
      width: 85px;
      height: 85px;
      transition: opacity 300ms linear;

      @media (max-width: 600px) {
        width: 70px;
        height: 70px;
      }
      @media (max-width: 450px) {
        width: 60px;
        height: 60px;
      }
      @media (max-width: 350px) {
        width: 40px;
        height: 40px;
      }

      // get to OT div
      .video,
      .screen,
      .overlay {
        width: 100%;
        height: 100%;
        position: absolute;
        top: 0;
        left: 0;

        // all of these need to be set
        > div,
        .OT_publisher,
        .OT_subscriber {
          width: 100% !important;
          height: 100% !important;
        }
      }

      .video,
      .screen,
      .full-name {
        display: none;
      }

      .name,
      .initial {
        top: 50%;
        position: absolute;
        width: 100%;
        display: block;
        color: #fff;
        text-align: center;
        line-height: 1.2;
        font-size: 13px;
        cursor: default;
        transition: opacity 300ms linear;
        transform: translate3d(0, -50%, 0);
        .opacity(0);

        @media (max-width: 600px) {
          font-size: 11px;
        }
        @media (max-width: 450px) {
          display: none;
        }
        @media (max-width: 350px) {
          display: none;
        }
      }

      .initial {
        display: none;

        @media (max-width: 600px) {
          display: none;
        }
        @media (max-width: 450px) {
          display: block;
          font-size: 10px;
        }
        @media (max-width: 350px) {
          display: block;
          font-size: 10px;
        }
      }

      .mute {
        cursor: default;
        position: absolute;
        background-image: url('../images/icons/audio-off@2x.png');
        background-color: #E32170;
        background-repeat: no-repeat;
        background-size: 10px;
        background-position: center;
        display: inline-block;
        width: 16px;
        height: 16px;
        bottom: 6px;
        right: 6px;
        .rounded(12px);
        .transition();
        .scale(1.2);

        &.warning {
          .scale(1.4);
        }
      }

      .avatar {
        width: 100%;
        height: 100%;
        overflow: hidden;
        transition: none;
        .rounded(0);

        img {
          .rounded(0);
        }

        .availability {
          display: none;
        }
        .badge.muted {
          display: none;
        }
      }

      .background-wrapper {
        display: none;
      }
    }

    li.user.screen,
    li.user.video {
      .video,
      .screen {
        display: block;
      }
    }

    li.user.screen,
    li.user.video,
    li.user.mini {
      .audio-activity-wrapper {
        position: absolute;
        display: block;
        width: 4px;
        height: 12px;

        // move above avatar
        z-index: 1;
        bottom: 8px;
        right: 8px;
        overflow: hidden;

        // rounding the bottom of the parent...
        .border-radius(0, 2px, 2px, 0);

        .audio-activity {
          position: absolute;
          bottom: 0;
          left: 0;

          width: 100%;
          height: 0;
          background: #fff;

          // ... and the top of the child to achieve a rounded bar
          .border-radius(2px, 0, 0, 2px);

          -webkit-transition: height 100ms ease-in-out;
          -moz-transition: height 100ms ease-in-out;
          transition: height 100ms ease-in-out;
        }
      }
    }

    li.user.speaking {
      .avatar:not(.muted) {
        .audio-activity-wrapper {
          .audio-activity {
            height: 100%;
          }
        }
      }
    }

    li.user:hover {
      background: rgba(0,0,0,0.8);

      .name,
      .initial {
        .opacity(1);
      }

      .overlay {
        background: rgba(0,0,0,0.8);
        transition: background 300ms linear, opacity 300ms linear;
      }
    }

    li.user.mini {
      z-index: 1;
      overflow: hidden;
    }

    // pushes screenshare up against associated user
    li.user.screen,
    li.user.screen.selected,
    li.user.screen.centered {
      margin-left: 0;
    }

    li.user.centered,
    li.user.selected {
      z-index: 0;

      // ensures video takes up entire pane
      .screen,
      .video {
        position: fixed;
      }

      .name,
      .initial {
        .opacity(1);
      }

      .overlay {
        background: rgba(0,0,0,0.8);
        box-sizing: border-box;
        overflow: hidden;
      }
    }

    li.user.centered.audio-only,
    li.user.selected.audio-only {

      .background-wrapper {
        // uncomment these lines to bring back the background blur. This is
        // disabled at the moment for performance reasons.
        //width: 100%;
        //height: 100%;
        display: block;
        position: fixed;
        top: 0;
        left: 0;
      }
      
      .full-name {
        position: fixed;
        display: block;
        z-index: 1;
        top: 50%;
        left: 50%;
        transform: translate3d(-50%, -50%, 0);
        margin-top: 134px;
        font-size: 16px;
        
        @media (max-width: 600px) {
          margin-top: 82px;
        }
        @media (max-width: 450px) {
          margin-top: 70px;
        }
      }

      .background {
        width: 100%;
        height: 100%;

        // hardware accelerate this element otherwise the css blur
        // causes fans to go cray cray. For some reason combining this
        // transform with the scale breaks the blur too...
        -webkit-transform: translate3d(0,0,0);

        .cover {
          position: absolute;
          width: 100%;
          height: 100%;
          background-size: cover;

          // this scale is needed as the blur filter adds a vignette
          // around the edges that we want to hide.
          -webkit-filter: blur(20px);
          -webkit-transform: scale(1.2);
        }

        &:after {
          content: "";
          position: absolute;
          top: 0;
          left: 0;
          width: 100%;
          height: 100%;
          background: rgba(0,0,0,0.7);
        }
      }

      // puts avatar in center of video window
      .avatar {
        overflow: initial;
        border: 3px solid #fff;
        width: 200px;
        height: 200px;
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate3d(-50%, -50%, 0);
        transition: none;
        .rounded(8px);

        img {
          .rounded(5px);
        }

        @media (max-width: 600px) {
          width: 120px;
          height: 120px;
        }
        @media (max-width: 450px) {
          width: 100px;
          height: 100px;
        }
        @media (max-width: 350px) {
          width: 80px;
          height: 80px;
        }

        .audio-activity {
          display: block;
          width: 100%;
          height: 100%;
          background: rgba(255,255,255,0.9);
          position: absolute;
          z-index: 0;
          top: 50%;
          left: 50%;
          transform: translate3d(-50%,-50%,0);
          .rounded(40px);
        }

        // show speaking animations
        &.speaking {
          .audio-activity {
            .transition(75ms);

            width: 120%;
            height: 120%;
          }
        }
      }
    }

    li.user.selected {
      .overlay {
        border: 3px solid #fff;
      }
    }

    li:first-child {
      .border-radius(4px, 4px, 0, 0);

      .overlay {
        .border-radius(4px, 4px, 0, 0);
      }
    }

    li:last-child {
      .border-radius(0, 0, 4px, 4px);

      .overlay {
        .border-radius(0, 0, 4px, 4px);
      }
    }
    
    li:last-child:first-child {
      .rounded(4px);
      
      .overlay {
        .rounded(4px);
      }
    }
  }
}

#video.screen-centered {
  ul.users {
    li.user.centered .overlay,
    li.user.centered .name,
    li.user.centered .initial,
    li.user.mini {
      .opacity(0);
    }
  }

  &.hovering {
    ul.users {
      li.user.centered .overlay,
      li.user.centered .name,
      li.user.centered .initial,
      li.user.mini {
        .opacity(1);
      }
    }
  }
}

#video #call-controls:hover,
#video.hovering #call-controls {
  transform: translate3d(-50%, 0, 0);
  .opacity(1);
}