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Prefetch next image #185

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This commit is contained in:
Tobias Reich 2015-09-20 20:43:01 +02:00
parent a90e066729
commit 6464d6bcc6
2 changed files with 6 additions and 11 deletions
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dist/main.js vendored
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src/scripts/photo.js
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@ -56,7 +56,7 @@ photo.load = function(photoID, albumID) {
setTimeout(() => { setTimeout(() => {
lychee.content.show() lychee.content.show()
//photo.preloadNext(photoID, albumID); photo.preloadNext(photoID);
}, 300) }, 300)
}) })
@ -66,21 +66,16 @@ photo.load = function(photoID, albumID) {
// Preload the next photo for better response time // Preload the next photo for better response time
photo.preloadNext = function(photoID) { photo.preloadNext = function(photoID) {
// Never preload on mobile devices with bare RAM and
// mostly mobile internet
// {{ code }}
if (album.json && if (album.json &&
album.json.content && album.json.content &&
album.json.content[photoID] && album.json.content[photoID] &&
album.json.content[photoID].nextPhoto!='') { album.json.content[photoID].nextPhoto!='') {
let nextPhoto = album.json.content[photoID].nextPhoto, let nextPhoto = album.json.content[photoID].nextPhoto,
url = album.json.content[nextPhoto].url url = album.json.content[nextPhoto].url
photo.cache = new Image() $('head [data-prefetch]').remove()
photo.cache.src = url $('head').append(`<link data-prefetch rel="prefetch" href="${ url }">`)
photo.cache.onload = () => photo.cache = null
} }