From 6464d6bcc639c39d968f0c31b96fa5559164a648 Mon Sep 17 00:00:00 2001
From: Tobias Reich <tobias.reich.ich@gmail.com>
Date: Sun, 20 Sep 2015 20:43:01 +0200
Subject: [PATCH] Prefetch next image #185

---
 dist/main.js         | Bin 189776 -> 189805 bytes
 src/scripts/photo.js |  17 ++++++-----------
 2 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/dist/main.js b/dist/main.js
index dcd6c068131e04f387bbb8d085e24abbac0ad3e0..e58b91c553fd0e4cf97b4b4c49e6a866667c01aa 100644
GIT binary patch
delta 167
zcmca`iu>&;?uHh|EleTdB02>b`6c;!1x2Yj`H3lhsTCy}sndhQnNFvxXeec*CZ;Gv
zrzDmn>H-y{rIsXT#42g(6{Y6pm!)cG>OhqMg%S%2Qu9(Y)NOJy^Rg9CbSMCgwpD`Z
tS5n9Tnq;e_uAQf?u4JdKxxFTWX`=)q*YpqROj0a)I;oo5eG8eGO8|)5IAj0-

delta 118
zcmaERiu=MT?uHh|EleTd(=)@FPMH>D<d@{@B_}3lq}t}CmMeJXCZ?zAAc^V~7bV-~
yp@`&9kKM&2K7GSqMs{wf&eEKm+U>I<m^MmGUw58SiY-qkRnwYldsZP6a|r;tvn)~o

diff --git a/src/scripts/photo.js b/src/scripts/photo.js
index 5770b5c..7118c03 100644
--- a/src/scripts/photo.js
+++ b/src/scripts/photo.js
@@ -56,7 +56,7 @@ photo.load = function(photoID, albumID) {
 
 		setTimeout(() => {
 			lychee.content.show()
-			//photo.preloadNext(photoID, albumID);
+			photo.preloadNext(photoID);
 		}, 300)
 
 	})
@@ -66,21 +66,16 @@ photo.load = function(photoID, albumID) {
 // Preload the next photo for better response time
 photo.preloadNext = function(photoID) {
 
-	// Never preload on mobile devices with bare RAM and
-	// mostly mobile internet
-	// {{ code }}
-
 	if (album.json &&
-	   album.json.content &&
-	   album.json.content[photoID] &&
-	   album.json.content[photoID].nextPhoto!='') {
+	    album.json.content &&
+	    album.json.content[photoID] &&
+	    album.json.content[photoID].nextPhoto!='') {
 
 		let nextPhoto = album.json.content[photoID].nextPhoto,
 		    url       = album.json.content[nextPhoto].url
 
-		photo.cache        = new Image()
-		photo.cache.src    = url
-		photo.cache.onload = () => photo.cache = null
+		$('head [data-prefetch]').remove()
+		$('head').append(`<link data-prefetch rel="prefetch" href="${ url }">`)
 
 	}