[Files.app] Initial implementation of new audio player

chrome/browser/resources/file_manager/audio_player/elements/control_panel.css

Index: chrome/browser/resources/file_manager/audio_player/elements/control_panel.css
diff --git a/chrome/browser/resources/file_manager/audio_player/elements/control_panel.css b/chrome/browser/resources/file_manager/audio_player/elements/control_panel.css
new file mode 100644
index 0000000000000000000000000000000000000000..2bdb11b08ea4a519e72c0d25526accb5cf23653d
--- /dev/null
+++ b/chrome/browser/resources/file_manager/audio_player/elements/control_panel.css
@@ -0,0 +1,417 @@
+/* Copyright 2014 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file. */
+
+/* Controls bar. */
+.controls {
+  align-items: center;
+  background-color: #fff;
+  display: flex;
+  flex-direction: column;
+  height: 64px;
+  justify-content: center;
+  padding: 0;
+}
+
+.controls .upper-controls {
+  height: 32px;
+  width: 100%
+}
+
+.controls .lower-controls {
+  height: 32px;
+  width: 100%
+}
+
+.audio-controls {
+  align-items: center;
+  display: flex;
+  flex-direction: row;
+  justify-content: center;
+  padding: 0;
+}
+
+/* Customized scrollbar for the playlist. */
+
+.media-button {
+  height: 32px;
+  position: relative;
+  width: 32px;
+}
+
+.media-button > div {
+  height: 100%;
+  opacity: 0;
+  pointer-events: none;
+  position: absolute;
+  transition: opacity 100ms linear;
+  width: 100%;
+}
+
+.media-button.toggle > label > div {
+  height: 100%;
+  pointer-events: none;
+  position: absolute;
+  transition: opacity 100ms linear;
+  width: 100%;
+}
+
+.media-button[state='default']:not(.disabled) > .default,
+.media-button[state='ended']:not(.disabled) > .ended,
+.media-button[state='playing']:not(.disabled) > .playing,
+.media-button.disabled > .disabled {
+  opacity: 1;
+}
+
+/* Custom sliders for progress and volume. */
+
+/* Customize the standard input[type='range']. */
+
+/* Time controls: a slider and a text time display. */
+
+.time-controls {
+  align-items: center;
+  display: flex;
+  flex-direction: row;
+  height: 100%;
+  justify-content: center;
+}
+
+.custom-slider.progress {
+  display: flex;
+  flex: 1 1 auto;
+  height: 100%;
+  position: relative;
+  z-index: 0;  /* Make a layer which includes the thumb on slider. */
+}
+
+.custom-slider.progress > input[type='range']::-webkit-slider-thumb {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_timeline_handler.png') 1x,
+      url('../assets/200/player_timeline_handler.png') 2x);
+  width: 28px;
+}
+
+.custom-slider.progress > input[type='range']::-webkit-slider-thumb:hover {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_timeline_handler.png') 1x,
+      url('../assets/200/player_timeline_handler.png') 2x);
+}
+
+.custom-slider.progress > input[type='range']::-webkit-slider-thumb:active {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_timeline_handler_pressed.png') 1x,
+      url('../assets/200/player_timeline_handler_pressed.png') 2x);
+}
+
+.custom-slider.progress.disabled > input[type='range']::-webkit-slider-thumb {
+  background-image: none;
+}
+
+.time-controls > .time {
+  cursor: default;
+  height: 100%;
+  position: relative;
+  width: 53px;
+}
+
+.time-controls > .time.disabled {
+  opacity: 0;
+}
+
+.custom-slider > input[type='range'] {
+  -webkit-appearance: none !important;  /* Hide the default thumb icon. */
+  background: transparent;  /* Hide the standard slider bar */
+  height: 100%;
+  left: -2px;  /* Required to align the input element with the parent. */
+  outline: none;
+  position: absolute;
+  top: -2px;
+  width: 100%;
+}
+
+/* Custom thumb icon. */
+.custom-slider > input[type='range']::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  background-position: center center;
+  background-repeat: no-repeat;
+  height: 24px;
+  position: relative;
+  z-index: 2;
+}
+
+/* Custom slider bar (we hide the standard one). */
+.custom-slider > .bar {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_timeline_base_center.png') 1x,
+      url('../assets/200/player_timeline_base_center.png') 2x);
+  /* In order to match the horizontal position of the standard slider bar
+     left and right must be equal to 1/2 of the thumb icon width. */
+  bottom: 15px;
+  left: 14px;  /* Exactly 1/2 of the thumb width */
+  pointer-events: none;  /* Mouse events pass through to the standard input. */
+  position: absolute;
+  right: 14px;
+  top: 15px;
+}
+
+.custom-slider > .bar > .filled,
+.custom-slider > .bar > .cap {
+  bottom: 0;
+  position: absolute;
+  top: 0;
+}
+
+/* The filled portion of the slider bar to the left of the thumb. */
+.custom-slider > .bar > .filled {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_timeline_played_center.png') 1x,
+      url('../assets/200/player_timeline_played_center.png') 2x);
+  border-left-style: none;
+  border-right-style: none;
+  left: 0;
+  width: 0; /* The element style.width is manipulated from the code. */
+}
+
+/* Rounded caps to the left and right of the slider bar. */
+.custom-slider > .bar > .cap {
+  width: 1px;
+}
+
+/* Left cap is always filled, should be the same color as .filled. */
+.custom-slider > .bar > .cap.left {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_timeline_played_left.png') 1x,
+      url('../assets/200/player_timeline_played_left.png') 2x);
+  right: 100%;
+}
+
+/* Right cap is always not filled. */
+.custom-slider > .bar > .cap.right {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_timeline_base_right.png') 1x,
+      url('../assets/200/player_timeline_base_right.png') 2x);
+  left: 100%;
+}
+
+.media-button.disabled,
+.custom-slider.disabled,
+.custom-slider.readonly {
+  pointer-events: none;
+}
+
+/* Progress seek marker (precise time shown on mouse hover. */
+
+/* Thin vertical line across the slider bar */
+.custom-slider > .bar > .seek-mark {
+  background-color: #202020;
+  bottom: -1px;
+  left: 0;
+  position: absolute;
+  top: -1px;
+  width: 0;
+}
+
+.custom-slider > .bar > .seek-mark.visible {
+  width: 1px;
+}
+
+.custom-slider > .bar > .seek-mark.inverted {
+  background-color: #808080;
+}
+
+/* Text label giving the precise time corresponding to the hover position. */
+.custom-slider > .bar > .seek-mark > .seek-label {
+  align-items: center;
+  background: #202020;
+  border-top-left-radius: 2px;
+  border-top-right-radius: 2px;
+  bottom: 19px;
+  color: white;
+  display: flex;
+  flex-direction: row;
+  font-size: 12px;
+  height: 15px;
+  justify-content: center;
+  left: 0;
+  opacity: 0;
+  overflow: hidden;
+  position: absolute;
+  transition: opacity 150ms ease;
+}
+
+.custom-slider > .bar > .seek-mark.visible > .seek-label {
+  opacity: 1;
+}
+
+/* Media controls in order of appearance. */
+
+.audio-controls {
+  align-items: center;
+  display: flex;
+  flex-direction: row;
+  height: 100%;
+  justify-content: center;
+}
+
+/* Play/pause button. */
+
+.media-button.toggle input {
+  position: absolute;
+  visibility: hidden;
+}
+
+.media-button.shuffle-mode {
+  margin-left: 5px;
+  margin-right: 5px;
+}
+
+.media-button.shuffle-mode > label > .icon {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_shuffle.png') 1x,
+      url('../assets/200/player_button_shuffle.png') 2x);
+  pointer-events: auto;
+}
+
+.media-button.shuffle-mode > label > input:checked + .icon {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_shuffle_active.png') 1x,
+      url('../assets/200/player_button_shuffle_active.png') 2x);
+}
+
+.media-button.repeat {
+  margin-left: 5px;
+  margin-right: 0;
+}
+
+.media-button.repeat > label > .icon {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_repeat.png') 1x,
+      url('../assets/200/player_button_repeat.png') 2x);
+  pointer-events: auto;
+}
+
+.media-button.repeat > label > input:checked + .icon {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_repeat_active.png') 1x,
+      url('../assets/200/player_button_repeat_active.png') 2x);
+}
+
+.media-button.play {
+  margin-left: 0;
+  margin-right: 0;
+}
+
+.media-button.play > .ended {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_play.png') 1x,
+      url('../assets/200/player_button_play.png') 2x);
+}
+
+.media-button.play > .playing {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_pause.png') 1x,
+      url('../assets/200/player_button_pause.png') 2x);
+}
+
+.media-button.previous {
+  margin-left: 5px;
+  margin-right: 0;
+}
+
+.media-button.previous > .normal {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_previous.png') 1x,
+      url('../assets/200/player_button_previous.png') 2x);
+}
+
+.media-button.next {
+  margin-left: 0;
+  margin-right: 5px;
+}
+
+.media-button.next > .normal {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_next.png') 1x,
+      url('../assets/200/player_button_next.png') 2x);
+}
+
+.media-button.volume {
+  margin-left: 5px;
+  margin-right: 5px;
+}
+
+.media-button.volume > .normal {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_volume.png') 1x,
+      url('../assets/200/player_button_volume.png') 2x);
+}
+
+.media-button.volume > label > .icon {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_volume.png') 1x,
+      url('../assets/200/player_button_volume.png') 2x);
+  pointer-events: auto;
+}
+
+.media-button.volume > label > input:checked + .icon {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_volume_active.png') 1x,
+      url('../assets/200/player_button_volume_active.png') 2x);
+}
+
+.media-button.playlist {
+  margin-left: 5px;
+  margin-right: 5px;
+}
+
+.media-button.playlist > label > .icon {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_playlist.png') 1x,
+      url('../assets/200/player_button_playlist.png') 2x);
+  pointer-events: auto;
+}
+
+.media-button.playlist > label > input:checked + .icon {
+  background-image: -webkit-image-set(
+      url('../assets/100/player_button_playlist_active.png') 1x,
+      url('../assets/200/player_button_playlist_active.png') 2x);
+}
+
+
+/* Invisible div used to compute the width required for the elapsed time. */
+.time-controls > .time > .duration,
+.time-controls > .time > .current {
+  align-items: center;
+  color: #3d3d3d;
+  display: flex;
+  flex-direction: row;
+  font-size: 12px;
+  height: 100%;
+  justify-content: flex-end;
+  position: absolute;
+  top: -1px;
+}
+
+.time-controls > .time > .duration {
+  left: 0;
+}
+
+.time-controls > .time > .current {
+  right: 0;
+}
+
+/* Volume controls: sound button and volume slider */
+
+#volumeContainer {
+  border: 1px solid #ddd;
+  border-radius: 2px;
+  box-shadow: 0 2px 4px #777;
+  height: 110px;
+  position: fixed;
+  width: 32px;
+}
+
+#volumeContainer.default-hidden {
+  visibility: hidden;
+}