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another experiment...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2013-02-12 23:15:11 +04:00
parent 0b7b986606
commit 76d14d560d
1 changed files with 17 additions and 28 deletions
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45
layout.html
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@ -91,7 +91,7 @@ $(document).ready(function(){
position: 'fixed', position: 'fixed',
background: 'silver', background: 'silver',
opacity: 0.5, opacity: 0.5,
width: 150, width: 200,
height: '80%', height: '80%',
top: 10, top: 10,
left: 10, left: 10,
@ -101,54 +101,43 @@ $(document).ready(function(){
}) })
.text('log') .text('log')
.appendTo($('body')) .appendTo($('body'))
function log(text){ function log(text){
_log.html(_log.html() + '<br>' + text) _log.html(_log.html() + '<br>' + text + '')
_log.scrollTop(_log.prop('scrollHeight')) _log.scrollTop(_log.prop('scrollHeight'))
} }
var CHECK_INTERVAL = 200
var touching = false
var t
var v = $('.viewer')
var _scroll_delta = [0, 0]
var sd = 0
function wait_for_scroll_end(){
if(!touching && _scroll_delta[0] <= sd && _scroll_delta[1] <= sd){
// XXX need to avoid this being called more than once... var v = $('.viewer')
$('.viewer').trigger('scrollend') var touching = false
t = null var TIMEOUT = 200
var t = 0
function scroll_monitor(){
clearTimeout(t)
if(touching){
t = setTimeout(scroll_monitor, TIMEOUT)
} else { } else {
t = setTimeout(wait_for_scroll_end, CHECK_INTERVAL) log('scrolling done...')
} }
} }
$('.viewer') $('.viewer')
.on('scroll', function(evt){ .on('scroll', function(evt){
log('scroll...') log('scroll...')
_scroll_delta = [
_scroll_delta[0] - v.scrollLeft(),
_scroll_delta[1] - v.scrollTop()
]
if(t == null){
t = setTimeout(wait_for_scroll_end, CHECK_INTERVAL)
}
}) })
.on('touchstart mousedown', function(evt){ .on('touchstart mousedown', function(evt){
log('touchstart...') log('touchstart...')
touching = true touching = true
}) })
.on('touchend mouseup', function(evt){ .on('touchend mouseup', function(evt){
log('touchend...') log('touchend...')
touching = false touching = false
}) })
.on('scrollend', function(evt){
log('!!! scrollend...')
})
/* /*
if(!NAVIGATE_RELATIVE_TO_VISIBLE){ if(!NAVIGATE_RELATIVE_TO_VISIBLE){