Goyslop/4chan-x
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Use the Page Visibility API for Scroll BG, close #266

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This commit is contained in:
Nicolas Stepien 2011-10-13 17:25:28 +02:00
parent d95764e87a
commit 0383a3629a
2 changed files with 44 additions and 30 deletions
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40
4chan_x.user.js
View File

@ -852,7 +852,6 @@
},
keydown: function(e) {
var o, range, selEnd, selStart, ta, thread, valEnd, valMid, valStart, value, _ref, _ref2, _ref3;
updater.focus = true;
if (((_ref = e.target.nodeName) === 'TEXTAREA' || _ref === 'INPUT') && !e.altKey && !e.ctrlKey && !(e.keyCode === 27)) {
return;
}
@ -1890,18 +1889,6 @@
updater = {
init: function() {
var checkbox, checked, dialog, html, input, name, title, _i, _len, _ref;
if (conf['Scrolling']) {
if (conf['Scroll BG']) {
updater.focus = true;
} else {
$.bind(window, 'focus', (function() {
return updater.focus = true;
}));
$.bind(window, 'blur', (function() {
return updater.focus = false;
}));
}
}
html = "<div class=move><span id=count></span> <span id=timer>-" + conf['Interval'] + "</span></div>";
checkbox = config.updater.checkbox;
for (name in checkbox) {
@ -1923,7 +1910,10 @@
$.bind(input, 'click', function() {
return conf[this.name] = this.checked;
});
if (input.name === 'Verbose') {
if (input.name === 'Scroll BG') {
$.bind(input, 'click', updater.cb.scrollBG);
updater.cb.scrollBG.call(input);
} else if (input.name === 'Verbose') {
$.bind(input, 'click', updater.cb.verbose);
updater.cb.verbose.call(input);
} else if (input.name === 'Auto Update This') {
@ -1961,6 +1951,21 @@
return clearTimeout(updater.timeoutID);
}
},
scrollBG: function() {
return updater.scrollBG = this.checked ? function() {
return true;
} : d.visibilityState ? function() {
return !d.hidden;
} : d.oVisibilityState ? function() {
return !d.oHidden;
} : d.mozVisibilityState ? function() {
return !d.mozHidden;
} : d.webkitVisibilityState ? function() {
return !d.webkitHidden;
} : function() {
return true;
};
},
update: function() {
var arr, body, id, input, replies, reply, scroll, _i, _len, _ref, _ref2;
if (this.status === 404) {
@ -1989,12 +1994,12 @@
return;
}
replies = $$('.reply', body);
id = Number(((_ref2 = $('td[id]', updater.br.previousElementSibling)) != null ? _ref2.id : void 0) || 0);
id = Number(((_ref2 = $('td[id]', updater.br.previousSibling)) != null ? _ref2.id : void 0) || 0);
arr = [];
while ((reply = replies.pop()) && (reply.id > id)) {
arr.push(reply.parentNode.parentNode.parentNode);
}
scroll = conf['Scrolling'] && updater.focus && arr.length && (d.body.scrollHeight - d.body.clientHeight - window.scrollY < 20);
scroll = conf['Scrolling'] && updater.scrollBG() && arr.length && (d.body.scrollHeight - d.body.clientHeight - window.scrollY < 20);
if (conf['Verbose']) {
updater.count.textContent = '+' + arr.length;
if (arr.length === 0) {
@ -2007,7 +2012,7 @@
$.before(updater.br, reply);
}
if (scroll) {
return scrollTo(0, d.body.scrollHeight);
return updater.br.previousSibling.scrollIntoView();
}
}
},
@ -2661,7 +2666,6 @@
},
scroll: function(e) {
var bottom, height, i, reply, _len, _ref;
updater.focus = true;
height = d.body.clientHeight;
_ref = unread.replies;
for (i = 0, _len = _ref.length; i < _len; i++) {

34
script.coffee
View File

@ -608,7 +608,6 @@ keybinds =
$.bind d, 'keydown', keybinds.keydown
keydown: (e) ->
updater.focus = true
return if e.target.nodeName in ['TEXTAREA', 'INPUT'] and not e.altKey and not e.ctrlKey and not (e.keyCode is 27)
return unless key = keybinds.keyCode e
@ -1422,12 +1421,6 @@ threadHiding =
updater =
init: ->
if conf['Scrolling']
if conf['Scroll BG']
updater.focus = true
else
$.bind window, 'focus', (-> updater.focus = true)
$.bind window, 'blur', (-> updater.focus = false)
html = "<div class=move><span id=count></span> <span id=timer>-#{conf['Interval']}</span></div>"
{checkbox} = config.updater
for name of checkbox
@ -1451,7 +1444,10 @@ updater =
if input.type is 'checkbox'
$.bind input, 'click', $.cb.checked
$.bind input, 'click', -> conf[@name] = @checked
if input.name is 'Verbose'
if input.name is 'Scroll BG'
$.bind input, 'click', updater.cb.scrollBG
updater.cb.scrollBG.call input
else if input.name is 'Verbose'
$.bind input, 'click', updater.cb.verbose
updater.cb.verbose.call input
else if input.name is 'Auto Update This'
@ -1480,6 +1476,21 @@ updater =
updater.timeoutID = setTimeout updater.timeout, 1000
else
clearTimeout updater.timeoutID
scrollBG: ->
updater.scrollBG =
if @checked
-> true
else
if d.visibilityState
-> !d.hidden
else if d.oVisibilityState
-> !d.oHidden
else if d.mozVisibilityState
-> !d.mozHidden
else if d.webkitVisibilityState
-> !d.webkitHidden
else
-> true
update: ->
if @status is 404
updater.timer.textContent = ''
@ -1505,12 +1516,12 @@ updater =
return
replies = $$ '.reply', body
id = Number $('td[id]', updater.br.previousElementSibling)?.id or 0
id = Number $('td[id]', updater.br.previousSibling)?.id or 0
arr = []
while (reply = replies.pop()) and (reply.id > id)
arr.push reply.parentNode.parentNode.parentNode #table
scroll = conf['Scrolling'] && updater.focus && arr.length && (d.body.scrollHeight - d.body.clientHeight - window.scrollY < 20)
scroll = conf['Scrolling'] && updater.scrollBG() && arr.length && (d.body.scrollHeight - d.body.clientHeight - window.scrollY < 20)
if conf['Verbose']
updater.count.textContent = '+' + arr.length
if arr.length is 0
@ -1522,7 +1533,7 @@ updater =
while reply = arr.pop()
$.before updater.br, reply
if scroll
scrollTo 0, d.body.scrollHeight
updater.br.previousSibling.scrollIntoView()
timeout: ->
updater.timeoutID = setTimeout updater.timeout, 1000
@ -1966,7 +1977,6 @@ unread =
Favicon.update()
scroll: (e) ->
updater.focus = true
height = d.body.clientHeight
for reply, i in unread.replies
{bottom} = reply.getBoundingClientRect()