Update:Audio player title scrolls when overflow #740

- increase width of the title on minimized player to scale with screen width
- mini player shows media title and chapter title

assets/WrappingMarquee.js

@@ -0,0 +1,117 @@
+class WrappingMarquee {
+  #scrollDelay = 2000
+  #scrollSpeed = 30
+
+  /**
+   * @param {HTMLElement} el 
+   */
+  constructor(el) {
+    this.el = el
+    /** @type {HTMLElement} */
+    this.pEl = el?.firstElementChild
+
+    this.innerText = ''
+    this.isScrolling = false
+
+    /** @type {NodeJS.Timeout} */
+    this.timer = null
+    /** @type {number} */
+    this.animationId = null
+  }
+
+  /**
+   * Transparent gradient mask shown when text is scrolling left and overflowing right
+   * 
+   * @param {boolean} showLeft 
+   */
+  setMask(showLeft) {
+    if (!this.el) return
+    this.el.style.maskImage = showLeft ? 'linear-gradient(90deg, transparent 0%, #fff 10%, #000 90%, transparent)' : 'linear-gradient(90deg, #000 90%, transparent)'
+  }
+
+  startScroll() {
+    if (this.isScrolling) {
+      console.warn('Already scrolling')
+      return
+    }
+
+    this.isScrolling = true
+    this.setMask(true)
+
+    let textScrollAmount = this.el.scrollWidth
+    this.pEl.innerHTML = this.innerText + ' '.repeat(15)
+    let totalScrollAmount = this.el.scrollWidth
+    let scrollDuration = totalScrollAmount * this.#scrollSpeed
+
+    this.pEl.innerHTML = this.pEl.innerHTML + this.innerText
+
+    let done = false
+    let start, previousTimeStamp
+
+    const step = (timeStamp) => {
+      if (start === undefined) {
+        start = timeStamp
+      }
+      const elapsed = timeStamp - start
+
+      if (this.isScrolling && previousTimeStamp !== timeStamp) {
+        const amountToMove = Math.min(elapsed / scrollDuration * totalScrollAmount, totalScrollAmount)
+        this.pEl.style.transform = `translateX(-${amountToMove}px)`
+        if (amountToMove === totalScrollAmount) done = true
+        if (amountToMove > textScrollAmount) this.setMask(false)
+      }
+
+      if (!this.isScrolling || done) { // canceled or done
+        this.isScrolling = false
+        this.pEl.style.transform = 'translateX(0px)'
+        this.pEl.innerText = this.innerText
+        this.setMask(false)
+        if (done) {
+          this.startTimer()
+        }
+      } else if (elapsed < scrollDuration) { // step
+        previousTimeStamp = timeStamp
+        this.animationId = window.requestAnimationFrame(step)
+      }
+    }
+    this.animationId = window.requestAnimationFrame(step)
+  }
+
+  startTimer() {
+    clearTimeout(this.timer)
+    this.timer = setTimeout(() => {
+      this.startScroll()
+    }, this.#scrollDelay)
+  }
+
+  reset() {
+    clearTimeout(this.timer)
+    this.timer = null
+    this.isScrolling = false
+    window.cancelAnimationFrame(this.animationId)
+  }
+
+  /**
+   * Initialize and start marquee if text overflows container
+   * resets the marquee if already active
+   * 
+   * @param {string} innerText 
+   */
+  init(innerText) {
+    if (!this.el || !this.pEl) return
+
+    this.reset()
+
+    this.innerText = innerText
+    this.pEl.innerText = innerText
+    this.pEl.style.transform = 'translateX(0px)'
+
+    if (this.el.scrollWidth > this.el.clientWidth) {
+      this.setMask(false)
+      this.startTimer()
+    } else {
+      this.el.style.maskImage = ''
+    }
+  }
+}
+export default WrappingMarquee

components/app/AudioPlayer.vue

@@ -41,7 +41,9 @@
     </div>
 
     <div class="title-author-texts absolute z-30 left-0 right-0 overflow-hidden" @click="clickTitleAndAuthor">
-      <p class="title-text truncate">{{ title }}</p>
+      <div ref="titlewrapper" class="overflow-hidden relative">
+        <p class="title-text whitespace-nowrap"></p>
+      </div>
       <p class="author-text text-fg text-opacity-75 truncate">{{ authorName }}</p>
     </div>
 
@@ -106,6 +108,7 @@
 import { Capacitor } from '@capacitor/core'
 import { AbsAudioPlayer } from '@/plugins/capacitor'
 import { FastAverageColor } from 'fast-average-color'
+import WrappingMarquee from '@/assets/WrappingMarquee.js'
 
 export default {
   props: {
@@ -159,7 +162,8 @@ export default {
       syncStatus: 0,
       showMoreMenuDialog: false,
       coverRgb: 'rgb(55, 56, 56)',
-      coverBgIsLight: false
+      coverBgIsLight: false,
+      titleMarquee: null
     }
   },
   watch: {
@@ -170,6 +174,9 @@ export default {
     },
     bookCoverAspectRatio() {
       this.updateScreenSize()
+    },
+    title(val) {
+      if (this.titleMarquee) this.titleMarquee.init(val)
     }
   },
   computed: {
@@ -264,22 +271,22 @@ export default {
       return this.mediaPlayer === 'cast-player'
     },
     mediaPlayer() {
-      return this.playbackSession ? this.playbackSession.mediaPlayer : null
+      return this.playbackSession?.mediaPlayer || null
     },
     mediaType() {
-      return this.playbackSession ? this.playbackSession.mediaType : null
+      return this.playbackSession?.mediaType || null
     },
     isPodcast() {
       return this.mediaType === 'podcast'
     },
     mediaMetadata() {
-      return this.playbackSession ? this.playbackSession.mediaMetadata : null
+      return this.playbackSession?.mediaMetadata || null
     },
     libraryItem() {
-      return this.playbackSession ? this.playbackSession.libraryItem || null : null
+      return this.playbackSession?.libraryItem || null
     },
     localLibraryItem() {
-      return this.playbackSession ? this.playbackSession.localLibraryItem || null : null
+      return this.playbackSession?.localLibraryItem || null
     },
     localLibraryItemCoverSrc() {
       var localItemCover = this.localLibraryItem?.coverContentUrl || null
@@ -287,7 +294,7 @@ export default {
       return null
     },
     playMethod() {
-      return this.playbackSession ? this.playbackSession.playMethod : null
+      return this.playbackSession?.playMethod || null
     },
     isLocalPlayMethod() {
       return this.playMethod == this.$constants.PlayMethod.LOCAL
@@ -296,19 +303,19 @@ export default {
       return this.playMethod == this.$constants.PlayMethod.DIRECTPLAY
     },
     title() {
-      if (this.currentChapterTitle && this.showFullscreen) return this.currentChapterTitle
-      if (this.playbackSession) return this.playbackSession.displayTitle
-      return this.mediaMetadata ? this.mediaMetadata.title : 'Title'
+      const mediaItemTitle = this.playbackSession?.displayTitle || this.mediaMetadata?.title || 'Title'
+      if (this.currentChapterTitle) {
+        if (this.showFullscreen) return this.currentChapterTitle
+        return `${mediaItemTitle} | ${this.currentChapterTitle}`
+      }
+      return mediaItemTitle
     },
     authorName() {
       if (this.playbackSession) return this.playbackSession.displayAuthor
-      return this.mediaMetadata ? this.mediaMetadata.authorName : 'Author'
+      return this.mediaMetadata?.authorName || 'Author'
     },
     chapters() {
-      if (this.playbackSession && this.playbackSession.chapters) {
-        return this.playbackSession.chapters
-      }
-      return []
+      return this.playbackSession?.chapters || []
     },
     currentChapter() {
       if (!this.chapters.length) return null
@@ -319,7 +326,7 @@ export default {
       return this.chapters.find((c) => Number(Number(c.start).toFixed(2)) > this.currentTime)
     },
     currentChapterTitle() {
-      return this.currentChapter ? this.currentChapter.title : ''
+      return this.currentChapter?.title || ''
     },
     currentChapterDuration() {
       return this.currentChapter ? this.currentChapter.end - this.currentChapter.start : this.totalDuration
@@ -426,6 +433,7 @@ export default {
     },
     expandToFullscreen() {
       this.showFullscreen = true
+      if (this.titleMarquee) this.titleMarquee.reset()
 
       // Update track for total time bar if useChapterTrack is set
       this.$nextTick(() => {
@@ -434,6 +442,8 @@ export default {
     },
     collapseFullscreen() {
       this.showFullscreen = false
+      if (this.titleMarquee) this.titleMarquee.reset()
+
       this.forceCloseDropdownMenu()
     },
     async jumpNextChapter() {
@@ -833,6 +843,10 @@ export default {
 
       // Set track width
       this.$nextTick(() => {
+        if (this.titleMarquee) this.titleMarquee.reset()
+        this.titleMarquee = new WrappingMarquee(this.$refs.titlewrapper)
+        this.titleMarquee.init(this.title)
+
         if (this.$refs.track) {
           this.trackWidth = this.$refs.track.clientWidth
         } else {
@@ -877,15 +891,23 @@ export default {
       }, 50)
     },
     updateScreenSize() {
+      setTimeout(() => {
+        if (this.titleMarquee) this.titleMarquee.init(this.title)
+      }, 500)
+
       this.windowHeight = window.innerHeight
       this.windowWidth = window.innerWidth
       const coverHeight = this.fullscreenBookCoverWidth * this.bookCoverAspectRatio
       const coverImageWidthCollapsed = 46 / this.bookCoverAspectRatio
+      const titleAuthorLeftOffsetCollapsed = 30 + coverImageWidthCollapsed
+      const titleAuthorWidthCollapsed = this.windowWidth - 128 - titleAuthorLeftOffsetCollapsed - 10
+
       document.documentElement.style.setProperty('--cover-image-width', this.fullscreenBookCoverWidth + 'px')
       document.documentElement.style.setProperty('--cover-image-height', coverHeight + 'px')
       document.documentElement.style.setProperty('--cover-image-width-collapsed', coverImageWidthCollapsed + 'px')
       document.documentElement.style.setProperty('--cover-image-height-collapsed', 46 + 'px')
-      document.documentElement.style.setProperty('--title-author-left-offset-collapsed', 30 + coverImageWidthCollapsed + 'px')
+      document.documentElement.style.setProperty('--title-author-left-offset-collapsed', titleAuthorLeftOffsetCollapsed + 'px')
+      document.documentElement.style.setProperty('--title-author-width-collapsed', titleAuthorWidthCollapsed + 'px')
     },
     minimizePlayerEvt() {
       this.collapseFullscreen()
@@ -953,6 +975,7 @@ export default {
   --cover-image-width-collapsed: 46px;
   --cover-image-height-collapsed: 46px;
   --title-author-left-offset-collapsed: 80px;
+  --title-author-width-collapsed: 40%;
 }
 
 .playerContainer {
@@ -1000,7 +1023,7 @@ export default {
   transition-property: left, bottom, width, height;
   transform-origin: left bottom;
 
-  width: 40%;
+  width: var(--title-author-width-collapsed);
   bottom: 76px;
   left: var(--title-author-left-offset-collapsed);
   text-align: left;