/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* Tile grid  ------------------------------------------------------------- */

%filter substitution
%include defines.inc

/*
 *****************************************************
  The following rules define the key tile dimensions
  They are (also) snarfed via the CSSOM as the dimensions used in the #richgrid binding
 *****************************************************
 */
richgriditem {
  width: @grid_double_column_width@;
  height: @grid_row_height@;
}
richgriditem[tiletype="thumbnail"] {
  width: @grid_double_column_width@;
  height: @grid_double_row_height@;
}
richgriditem[compact] {
  width: auto;
  height: @compactgrid_row_height@;
}
/*
 *****************************************************
 */
richgrid {
  display: -moz-box;
  overflow: hidden;
}
richgrid > .richgrid-grid {
  -moz-column-width: @grid_double_column_width@; /* tile width (2x unit + gutter) */
  min-width: @grid_double_column_width@; /* min 1 column */
  min-height: @grid_double_row_height@; /* 2 rows (or 1 double rows) minimum; multiple of tile_height */
  -moz-column-fill: auto; /* do not attempt to balance content between columns */
  -moz-column-gap: 0;
  -moz-column-count: auto;
  display: block;
  -moz-box-sizing: content-box;
  overflow-x: hidden; /* clipping will only kick in if an explicit width is set */
  transition: 100ms transform ease-out;
}

richgriditem {
  display: block;
  position: relative;
  width: @grid_double_column_width@;
  height: @grid_row_height@;
  -moz-box-sizing: border-box;
  -moz-column-gap: 0;
  overflow:hidden;
  cursor: default;
  transition: 300ms height ease-out,
              150ms opacity ease-out,
              100ms transform ease-out;
}

.tile-content {
  display: block;
  position: absolute;
  /* background-color colors the tile-edge,
     and will normally be overridden with a favicon-based color */
  background-color: #ccc;
  background-origin: padding-box;
  /* content positioning within the grid "cell"
     gives us the gutters/spacing between tiles */
  top: 2px; right: @tile_side_margin@; bottom: 10px; left: @tile_side_margin@;
  border: @metro_border_thin@ solid @tile_border_color@;
  box-shadow: 0 0 5px 0 rgba(0, 0, 0, 0.1);
  transition: 150ms transform ease-out;
}

.tile-start-container {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 10px;
  padding: 8px;
  background-color: #fff;
}

richgriditem:not([tiletype="thumbnail"]) .tile-start-container {
  background-image: none!important;
}

.tile-icon-box {
  position: absolute;
  top: 50%;
  margin-top: -17px;
  padding: 8px;
  /* default color, may be overriden by a favicon-based color */
  background-color: white;
  border: 1px solid #ccc;
  border-radius: 1px;
  opacity: 1.0;
}

.tile-icon-box > image {
  display: block;
  width: 16px;
  height: 16px;
  list-style-image: url("chrome://browser/skin/images/identity-icons-generic.png");
}

/* for larger favicons (which includes the fallback icon) */
richgriditem:not([iconURI]) .tile-icon-box,
richgriditem[iconURI=""] .tile-icon-box,
richgriditem[iconsize="large"] .tile-icon-box {
  background-color: transparent!important;
  border-color: transparent!important;
  padding: 4px;
}

richgriditem[iconsize="large"] .tile-icon-box > image,
.tile-icon-box > image[src=""] {
  width: 24px;
  height: 24px;
}

.tile-desc {
  display: block;
  position: absolute;
  top: 6px;
  left: 52px; /* label goes to the right of the favicon */
  right: 0;
  padding: 1em 6px 6px 12px;
  color: #333;
  margin: 0;
  -moz-margin-start: 0;
  display: block;
  font-size: 16px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

richgriditem:not([tiletype="thumbnail"]) .tile-desc {
  background-color: transparent!important;
}


richgriditem.collapsed {
  height: 0!important;
  overflow: hidden;
  opacity: 0;
}

richgriditem.collapsed > .tile-content {
  transform: scaleY(0);
  transition: 150ms transform ease-out 150ms;
}

richgriditem:active {
  z-index: 2;
}

/* thumbnail variation */

richgriditem[tiletype="thumbnail"] .tile-start-container {
  background-image: url("chrome://browser/skin/images/firefox-watermark.png");
}

richgriditem[tiletype="thumbnail"] {
  width: @grid_double_column_width@;
  height: @grid_double_row_height@;
  -moz-box-pack: end;
  padding: 0px;
  color: #1a1a1a;
}

richgriditem[tiletype="thumbnail"] .tile-desc {
  margin: 0;
  top: auto;
  bottom: 0;
  left: 0;
  padding: 4px 8px 4px 56px;
}

richgriditem[tiletype="thumbnail"] > .tile-content > .tile-desc {
  /* ensure thumbnail labels get their color from the parent richgriditem element */
  color: inherit;
}

/* thumbnail tiles use a screenshot thumbnail as the background */
richgriditem[tiletype="thumbnail"] > .tile-content > .tile-start-container {
  background-size: cover;
  background-position: top left;
  background-repeat: no-repeat;
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
}
richgriditem[tiletype="thumbnail"] .tile-icon-box {
  top: auto;
  left: 10px;
  bottom: 6px;
  margin-top: 0;
  z-index: 1;
  box-shadow: 0px 0px 2px 2px rgba(0, 0, 0, 0.05), 0px 2px 0px rgba(0, 0, 0, 0.1);
}

/* selected tile indicator */
richgriditem[selected] > .tile-content::after {
  content: "";
  pointer-events: none;
  display: block;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  background-image: url(chrome://browser/skin/images/tile-selected-check-hdpi.png);
  background-origin: border-box;
  background-position: right 0 top 0;
  background-repeat: no-repeat;
  /* scale the image whatever the dppx */
  background-size: 35px 35px;
  border: @metro_border_xthick@ solid @selected_color@;
}

richgriditem[crosssliding] {
  z-index: 10;
}

/* ease the return to original position when cross-sliding */
richgriditem:not([crosssliding]) {
  transition: transform ease-out 0.2s;
}


/* tile pinned-state indication */
richgriditem[pinned] > .tile-content::before {
  pointer-events:none;
  content: "";
  display: block;
  position: absolute;
  top: 0;
  right: 0;
  left: auto;
  z-index: 1;
  width: 35px;
  height: 35px;
  background-image: url(chrome://browser/skin/images/pinned-hdpi.png);
  background-position: center;
  background-repeat: no-repeat;
  /* scale the image whatever the dppx */
  background-size: 70px 70px;
}

/* Selected _and_ pinned tiles*/
richgriditem[selected][pinned] > .tile-content::before {
  background-position: right -@metro_border_xthick@ top -@metro_border_xthick@;
  width: 70px;
  height: 70px;
}

richgriditem[pinned]:-moz-locale-dir(rtl) > .tile-content::before {
  left: 0;
  right: auto;
}

richgriditem[customColor] {
  color: #f1f1f1;
}

richgriditem[bending] > .tile-content {
  transform-origin: center center;
}

/* Snapped-view variation
   We use the compact, single-column grid treatment for <=320px */

@media (max-width: 330px) {

  richgrid > .richgrid-grid {
    -moz-column-width: auto!important; /* let it flow */
    -moz-column-count: auto!important; /* let it flow */
    height: auto; /* let it flow */
    min-width: 280px;
    transition: 100ms transform ease-out;
  }

  richgriditem {
    width: @grid_double_column_width@;
    overflow: hidden;
    height: @compactgrid_row_height@;
  }

  .tile-desc {
    padding: 0.5em 4px 4px 4px;
  }

  .tile-content {
    left: 0;
    right: 0;
  }

  richgriditem {
    width: auto;
  }
}