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Add lyrics player to the webinterface
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,181 @@ | ||
| <template> | ||
| <div | ||
| class="lyrics-wrapper" | ||
| ref="lyricsWrapper" | ||
| @touchstart="scrollAbled = false" | ||
| @touchend="scrollAbled = true" | ||
| v-on:scroll.passive="startedScroll" | ||
| v-on:wheel.passive="startedScroll" | ||
| > | ||
| <div class="lyrics"> | ||
| <p | ||
| v-for="(item, key) in lyricsArr" | ||
| :class="key == lyricIndex && is_sync && 'gradient'" | ||
| > | ||
| {{ item[0] }} | ||
| </p> | ||
| </div> | ||
| </div> | ||
| </template> | ||
|
|
||
| <script> | ||
| export default { | ||
| name: "lyrics", | ||
| data() { | ||
| // Non reactive | ||
| // Used as a cache to speed up finding the lyric index in the array for the current time | ||
| this.lastIndex = 0; | ||
| // Fired upon scrolling, that's disabling the auto scrolling for 5s | ||
| this.scrollTimer = null; | ||
| this.lastItemId = -1; | ||
| // Reactive | ||
| return { | ||
| scroll: {}, | ||
| // lineHeight: 42, | ||
| scrollAbled: true, // stop scroll to element when touch | ||
| }; | ||
| }, | ||
| computed: { | ||
| player() { | ||
| return this.$store.state.player | ||
| }, | ||
| is_sync() { | ||
| return this.lyricsArr.length && this.lyricsArr[0].length > 1; | ||
| }, | ||
| lyricIndex() { | ||
| // We have to perform a dichotomic search in the time array to find the index that's matching | ||
| const curTime = this.player.item_progress_ms / 1000; | ||
| const la = this.lyricsArr; | ||
| if (this.player.item_id != this.lastItemId) { | ||
| // Song changed, let's reset the cache | ||
| this.lastItemId = this.player.item_id; | ||
| this.lastIndex = 0; | ||
| } | ||
| if (la.length && la[0].length === 1) return 0; // Bail out for non synchronized lyrics | ||
| // Check the cached value to avoid searching the times | ||
| if (this.lastIndex < la.length - 1 && la[this.lastIndex + 1][1] > curTime) | ||
| return this.lastIndex; | ||
| if (this.lastIndex < la.length - 2 && la[this.lastIndex + 2][1] > curTime) | ||
| return this.lastIndex + 1; | ||
| // Not found in the next 2 items, so start dichotomic search for the best time | ||
| let i; | ||
| let start = 0, | ||
| end = la.length - 1; | ||
| while (start <= end) { | ||
| i = ((end + start) / 2) | 0; | ||
| if (la[i][1] <= curTime && ((la.length > i+1) && la[i + 1][1] > curTime)) break; | ||
| if (la[i][1] < curTime) start = i + 1; | ||
| else end = i - 1; | ||
| } | ||
| return i; | ||
| }, | ||
| lyricDuration() { | ||
| return this.lyricIndex < this.lyricsArr.length - 1 | ||
| ? this.lyricsArr[this.lyricIndex + 1][1] - | ||
| this.lyricsArr[this.lyricIndex][1] | ||
| : 3600; | ||
| }, | ||
| lyricsArr() { | ||
| return this.$store.getters.lyrics; | ||
| }, | ||
| }, | ||
| watch: { | ||
| lyricIndex() { | ||
| // Scroll current lyric in the center of the view unless user manipulated | ||
| this.scrollAbled && this._scrollToElement(); | ||
| this.lastIndex = this.lyricIndex; | ||
| }, | ||
| }, | ||
| methods: { | ||
| startedScroll(e) { | ||
| // Ugly trick to check if a scroll event comes from the user or from JS | ||
| if (!e.screenX || e.screenX == 0 || !e.screenY || e.screenY == 0) return; // Programmatically triggered event are ignored here | ||
| this.scrollAbled = false; | ||
| if (this.scrollTimer) clearTimeout(this.scrollTimer); | ||
| let t = this; | ||
| // Re-enable automatic scrolling after 5s | ||
| this.scrollTimer = setTimeout(function () { | ||
| t.scrollAbled = true; | ||
| }, 5000); | ||
| }, | ||
| _scrollToElement() { | ||
| let scrollTouch = this.$refs.lyricsWrapper, | ||
| currentLyric = scrollTouch.children[0].children[this.lyricIndex], | ||
| offsetToCenter = scrollTouch.offsetHeight >> 1; | ||
| let currOff = scrollTouch.scrollTop, | ||
| destOff = currentLyric.offsetTop - offsetToCenter; | ||
| // Using scrollBy ensure that scrolling will happen | ||
| // even if the element is visible before scrolling | ||
| scrollTouch.scrollBy({ | ||
| top: destOff - currOff, | ||
| left: 0, | ||
| behavior: "smooth", | ||
| }); | ||
| // Then prepare the animated gradient too | ||
| currentLyric.style.animationDuration = this.lyricDuration + "s"; | ||
| }, | ||
| }, | ||
| }; | ||
| </script> | ||
|
|
||
| <style scoped> | ||
| .lyrics-wrapper { | ||
| position: absolute; | ||
| top: -1rem; | ||
| left: calc(50% - 40vw); | ||
| right: calc(50% - 40vw); | ||
| bottom: 0; | ||
| max-height: calc(100vh - 24rem); /* See cover thumbnail style for why */ | ||
| overflow: auto; | ||
| /* From https://css.glass */ | ||
| background: rgba(255, 255, 255, 0.8); | ||
| box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1); | ||
| backdrop-filter: blur(3px); | ||
| -webkit-backdrop-filter: blur(3px); | ||
| border: 1px solid rgba(0, 0, 0, 0.3); | ||
| } | ||
| .lyrics-wrapper .lyrics { | ||
| display: flex; | ||
| align-items: center; | ||
| flex-direction: column; | ||
| } | ||
| .lyrics-wrapper .lyrics .gradient { | ||
| -webkit-background-clip: text; | ||
| -webkit-text-fill-color: transparent; | ||
| background-clip: text; | ||
| font-weight: bold; | ||
| font-size: 120%; | ||
| animation: slide-right 1 linear; | ||
| background-size: 200% 100%; | ||
| background-image: -webkit-linear-gradient( | ||
| left, | ||
| #080 50%, | ||
| #000 50% | ||
| ); | ||
| } | ||
| @keyframes slide-right { | ||
| 0% { | ||
| background-position: 100% 0%; | ||
| } | ||
| 100% { | ||
| background-position: 0% 0%; | ||
| } | ||
| } | ||
| .lyrics-wrapper .lyrics p { | ||
| line-height: 3rem; | ||
| text-align: center; | ||
| font-size: 1rem; | ||
| color: #000; | ||
| } | ||
| </style> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| <template> | ||
| <a :class="{ 'is-active': is_active }" @click="toggle_lyrics"> | ||
| <mdicon | ||
| v-if="!is_active" | ||
| name="script-text-outline" | ||
| :size="icon_size" | ||
| :title="$t('player.button.toggle-lyrics')" | ||
| /> | ||
| <mdicon | ||
| v-if="is_active" | ||
| name="script-text-play" | ||
| :size="icon_size" | ||
| :title="$t('player.button.toggle-lyrics')" | ||
| /> | ||
| </a> | ||
| </template> | ||
|
|
||
| <script> | ||
| import webapi from '@/webapi' | ||
| export default { | ||
| name: 'PlayerButtonLyrics', | ||
| props: { | ||
| icon_size: { | ||
| type: Number, | ||
| default: 16 | ||
| } | ||
| }, | ||
| computed: { | ||
| is_active() { | ||
| return this.$store.getters.lyrics_pane; | ||
| } | ||
| }, | ||
| methods: { | ||
| toggle_lyrics() { | ||
| this.$store.state.lyrics.lyrics_pane = !this.$store.state.lyrics.lyrics_pane; | ||
| } | ||
| } | ||
| } | ||
| </script> | ||
|
|
||
| <style></style> |
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