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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,231 @@ | ||
| import PhotoSwipe from "photoswipe"; | ||
|
|
||
| /** | ||
| * Check if slide has video content | ||
| * | ||
| * @param {Slide|Content} content Slide or Content object | ||
| * @returns Boolean | ||
| */ | ||
| function isVideoContent(content): boolean { | ||
| return content?.data?.type === "video"; | ||
| } | ||
|
|
||
| class VideoContentSetup { | ||
| constructor(lightbox: PhotoSwipe, private options) { | ||
| this.initLightboxEvents(lightbox); | ||
| lightbox.on("init", () => { | ||
| this.initPswpEvents(lightbox); | ||
| }); | ||
| } | ||
|
|
||
| initLightboxEvents(lightbox: PhotoSwipe) { | ||
| lightbox.on("contentLoad", this.onContentLoad.bind(this)); | ||
| lightbox.on("contentDestroy", this.onContentDestroy.bind(this)); | ||
| lightbox.on("contentActivate", this.onContentActivate.bind(this)); | ||
| lightbox.on("contentDeactivate", this.onContentDeactivate.bind(this)); | ||
| lightbox.on("contentAppend", this.onContentAppend.bind(this)); | ||
| lightbox.on("contentResize", this.onContentResize.bind(this)); | ||
|
|
||
| lightbox.addFilter( | ||
| "isKeepingPlaceholder", | ||
| this.isKeepingPlaceholder.bind(this) | ||
| ); | ||
| lightbox.addFilter("isContentZoomable", this.isContentZoomable.bind(this)); | ||
| lightbox.addFilter( | ||
| "useContentPlaceholder", | ||
| this.useContentPlaceholder.bind(this) | ||
| ); | ||
|
|
||
| lightbox.addFilter("domItemData", (itemData, element, linkEl) => { | ||
| return itemData; | ||
| }); | ||
| } | ||
|
|
||
| initPswpEvents(pswp: PhotoSwipe) { | ||
| // Prevent draggin when pointer is in bottom part of the video | ||
| // todo: add option for this | ||
| pswp.on("pointerDown", (e) => { | ||
| const slide = pswp.currSlide; | ||
| if (isVideoContent(slide) && this.options.preventDragOffset) { | ||
| const origEvent = e.originalEvent; | ||
| if (origEvent.type === "pointerdown") { | ||
| const videoHeight = Math.ceil(slide.height * slide.currZoomLevel); | ||
| const verticalEnding = videoHeight + slide.bounds.center.y; | ||
| const pointerYPos = origEvent.pageY - pswp.offset.y; | ||
| if ( | ||
| pointerYPos > verticalEnding - this.options.preventDragOffset && | ||
| pointerYPos < verticalEnding | ||
| ) { | ||
| e.preventDefault(); | ||
| } | ||
| } | ||
| } | ||
| }); | ||
|
|
||
| // do not append video on nearby slides | ||
| pswp.on("appendHeavy", (e) => { | ||
| if (isVideoContent(e.slide) && !e.slide.isActive) { | ||
| e.preventDefault(); | ||
| } | ||
| }); | ||
|
|
||
| pswp.on("close", () => { | ||
| if (isVideoContent(pswp.currSlide.content)) { | ||
| // Switch from zoom to fade closing transition, | ||
| // as zoom transition is choppy for videos | ||
| if ( | ||
| !pswp.options.showHideAnimationType || | ||
| pswp.options.showHideAnimationType === "zoom" | ||
| ) { | ||
| pswp.options.showHideAnimationType = "fade"; | ||
| } | ||
|
|
||
| // pause video when closing | ||
| this.pauseVideo(pswp.currSlide.content); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| onContentDestroy({ content }) { | ||
| if (isVideoContent(content)) { | ||
| if (content._videoPosterImg) { | ||
| content._videoPosterImg.onload = content._videoPosterImg.onerror = null; | ||
| content._videoPosterImg = null; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| onContentResize(e) { | ||
| if (isVideoContent(e.content)) { | ||
| e.preventDefault(); | ||
|
|
||
| const width = e.width; | ||
| const height = e.height; | ||
| const content = e.content; | ||
|
|
||
| if (content.element) { | ||
| content.element.style.width = width + "px"; | ||
| content.element.style.height = height + "px"; | ||
| } | ||
|
|
||
| if (content.slide && content.slide.placeholder) { | ||
| // override placeholder size, so it more accurately matches the video | ||
| const placeholderElStyle = content.slide.placeholder.element.style; | ||
| placeholderElStyle.transform = "none"; | ||
| placeholderElStyle.width = width + "px"; | ||
| placeholderElStyle.height = height + "px"; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| isKeepingPlaceholder(isZoomable, content) { | ||
| if (isVideoContent(content)) { | ||
| return false; | ||
| } | ||
| return isZoomable; | ||
| } | ||
|
|
||
| isContentZoomable(isZoomable, content) { | ||
| if (isVideoContent(content)) { | ||
| return false; | ||
| } | ||
| return isZoomable; | ||
| } | ||
|
|
||
| onContentActivate({ content }) { | ||
| if (isVideoContent(content) && this.options.autoplay) { | ||
| this.playVideo(content); | ||
| } | ||
| } | ||
|
|
||
| onContentDeactivate({ content }) { | ||
| if (isVideoContent(content)) { | ||
| this.pauseVideo(content); | ||
| } | ||
| } | ||
|
|
||
| onContentAppend(e) { | ||
| if (isVideoContent(e.content)) { | ||
| e.preventDefault(); | ||
| e.content.isAttached = true; | ||
| e.content.appendImage(); | ||
| } | ||
| } | ||
|
|
||
| onContentLoad(e) { | ||
| const content = e.content; // todo: videocontent | ||
|
|
||
| if (!isVideoContent(e.content)) { | ||
| return; | ||
| } | ||
|
|
||
| // stop default content load | ||
| e.preventDefault(); | ||
|
|
||
| if (content.element) { | ||
| return; | ||
| } | ||
|
|
||
| content.state = "loading"; | ||
| content.type = "video"; // TODO: move this to pswp core? | ||
|
|
||
| content.element = document.createElement("video"); | ||
|
|
||
| if (this.options.videoAttributes) { | ||
| for (let key in this.options.videoAttributes) { | ||
| content.element.setAttribute( | ||
| key, | ||
| this.options.videoAttributes[key] || "" | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| content.element.setAttribute("poster", content.data.msrc); | ||
|
|
||
| this.preloadVideoPoster(content, content.data.msrc); | ||
|
|
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| content.element.style.position = "absolute"; | ||
| content.element.style.left = 0; | ||
| content.element.style.top = 0; | ||
|
|
||
| if (content.data.src) { | ||
| content.element.src = content.data.src; | ||
| } | ||
| } | ||
|
|
||
| preloadVideoPoster(content, src) { | ||
| if (!content._videoPosterImg && src) { | ||
| content._videoPosterImg = new Image(); | ||
| content._videoPosterImg.src = src; | ||
| if (content._videoPosterImg.complete) { | ||
| content.onLoaded(); | ||
| } else { | ||
| content._videoPosterImg.onload = content._videoPosterImg.onerror = | ||
| () => { | ||
| content.onLoaded(); | ||
| }; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| playVideo(content) { | ||
| if (content.element) { | ||
| content.element.play(); | ||
| } | ||
| } | ||
|
|
||
| pauseVideo(content) { | ||
| if (content.element) { | ||
| content.element.pause(); | ||
| } | ||
| } | ||
|
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||
| useContentPlaceholder(usePlaceholder, content) { | ||
| if (isVideoContent(content)) { | ||
| return true; | ||
| } | ||
| return usePlaceholder; | ||
| } | ||
| } | ||
|
|
||
| export default VideoContentSetup; |
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