Goyslop/4chan-x
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Don't remove images when unexpanding, hide them: this will avoid another redirections if it fails to load again, and will keep it loaded in memory even if it's not in the cache anymore (sup preloading users). Image expanding selector optimization.

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This commit is contained in:
Nicolas Stepien 2012-02-03 16:39:42 +01:00
parent 6e06d6b945
commit 61621178c6
2 changed files with 19 additions and 8 deletions
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13
4chan_x.user.js
View File

@ -3308,7 +3308,7 @@
var thumb, _i, _j, _len, _len2, _ref, _ref2, _results, _results2;
imgExpand.on = this.checked;
if (imgExpand.on) {
_ref = $$('.op > a > img[md5]:last-child, table:not([hidden]) img[md5]:last-child');
_ref = $$('img[md5]');
_results = [];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
thumb = _ref[_i];
@ -3364,11 +3364,16 @@
},
contract: function(thumb) {
thumb.hidden = false;
return $.rm(thumb.nextSibling);
return thumb.nextSibling.hidden = true;
},
expand: function(thumb, url) {
var a, filesize, img, max;
if (thumb.hidden) return;
if ($.x('ancestor-or-self::*[@hidden]', thumb)) return;
thumb.hidden = true;
if (img = thumb.nextSibling) {
img.hidden = false;
return;
}
a = thumb.parentNode;
img = $.el('img', {
src: url || a.href
@ -3379,7 +3384,6 @@
img.style.maxWidth = "" + max[1] + "px";
}
if (conf['404 Redirect']) $.on(img, 'error', imgExpand.error);
thumb.hidden = true;
return $.add(a, img);
},
error: function() {
@ -3388,6 +3392,7 @@
thumb = this.previousSibling;
src = href.split('/');
imgExpand.contract(thumb);
$.rm(this);
if (!(this.src.split('/')[2] === 'images.4chan.org' && (url = redirect.image(src[3], src[5])))) {
if (g.dead) return;
url = href + '?' + Date.now();

14
script.coffee
View File

@ -2541,7 +2541,7 @@ imgExpand =
all: ->
imgExpand.on = @checked
if imgExpand.on #expand
for thumb in $$ '.op > a > img[md5]:last-child, table:not([hidden]) img[md5]:last-child'
for thumb in $$ 'img[md5]'
imgExpand.expand thumb
else #contract
for thumb in $$ 'img[md5][hidden]'
@ -2577,10 +2577,16 @@ imgExpand =
contract: (thumb) ->
thumb.hidden = false
$.rm thumb.nextSibling
thumb.nextSibling.hidden = true
expand: (thumb, url) ->
return if thumb.hidden
# Do not expand images of hidden/filtered replies, or already expanded pictures.
return if $.x 'ancestor-or-self::*[@hidden]', thumb
thumb.hidden = true
if img = thumb.nextSibling
# Expand already loaded picture
img.hidden = false
return
a = thumb.parentNode
img = $.el 'img',
src: url or a.href
@ -2589,7 +2595,6 @@ imgExpand =
max = filesize.match /(\d+)x/
img.style.maxWidth = "#{max[1]}px"
$.on img, 'error', imgExpand.error if conf['404 Redirect']
thumb.hidden = true
$.add a, img
error: ->
@ -2597,6 +2602,7 @@ imgExpand =
thumb = @previousSibling
src = href.split '/'
imgExpand.contract thumb
$.rm @
unless @src.split('/')[2] is 'images.4chan.org' and url = redirect.image src[3], src[5]
return if g.dead
# CloudFlare may cache banned pages instead of images.