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some optimisation and cleanup...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2014-11-24 08:48:46 +03:00
parent d399a6b194
commit 8872ee6241
1 changed files with 28 additions and 24 deletions
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52
ui (gen4)/ribbons.js
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@ -145,33 +145,25 @@ var RibbonsPrototype = {
// .preventTransitions(elem) // .preventTransitions(elem)
// -> data // -> data
// //
// Prevent transitions on this and all nested calls
// .preventTransitions(.., true)
// -> data
//
// NOTE: all *nested* calls to this and .restoreTransitions(..)
// will be ignored.
// //
// NOTE: this will set a .no-transitions CSS class and force // NOTE: this will set a .no-transitions CSS class and force
// recalculation on the given element // recalculation on the given element
// NOTE: for this to have effect proper CSS configuration is needed. // NOTE: for this to have effect proper CSS configuration is needed.
preventTransitions: function(target, prevent_nested){ preventTransitions: function(target){
target = target || this.viewer target = target || this.viewer
prevent_nested = prevent_nested || false //prevent_nested = prevent_nested || false
if(target.length == 0){ if(target.length == 0){
return this return this
} }
var t = target[0] var t = target[0]
// handle nesting... // handle nesting...
if(prevent_nested){ var l = t.getAttribute('__prevent_transitions')
var l = t.getAttribute('__prevent_transitions') if(l != null){
if(l != null){ t.getAttribute('__prevent_transitions', l+1)
t.getAttribute('__prevent_transitions', l+1) return this
return this
}
t.getAttribute('__prevent_transitions', 0)
} }
t.getAttribute('__prevent_transitions', 0)
target.addClass('no-transitions') target.addClass('no-transitions')
getComputedStyle(t).webkitTransition getComputedStyle(t).webkitTransition
@ -209,6 +201,9 @@ var RibbonsPrototype = {
// levels. // levels.
// This can be overridden via setting the force to true. // This can be overridden via setting the force to true.
// //
// NOTE: the implementation of this method might seem ugly, but the
// code is speed-critical, thus we access the DOM directly and
// the two branches are unrolled...
restoreTransitions: function(target, now, force){ restoreTransitions: function(target, now, force){
if(target === true || target === false){ if(target === true || target === false){
now = target now = target
@ -221,16 +216,16 @@ var RibbonsPrototype = {
} }
var t = target[0] var t = target[0]
// handle nesting...
var l = t.getAttribute('__prevent_transitions')
if(l != null && !force && l != '0'){
t.getAttribute('__prevent_transitions', l-1)
return this
}
t.removeAttribute('__prevent_transitions')
// sync... // sync...
if(now){ if(now){
// handle nesting...
var l = t.getAttribute('__prevent_transitions')
if(l != null && !force && l != '0'){
t.getAttribute('__prevent_transitions', l-1)
return this
}
t.removeAttribute('__prevent_transitions')
target.removeClass('no-transitions') target.removeClass('no-transitions')
var s = getComputedStyle(t) var s = getComputedStyle(t)
s.webkitTransition s.webkitTransition
@ -243,13 +238,22 @@ var RibbonsPrototype = {
} else { } else {
var that = this var that = this
setTimeout(function(){ setTimeout(function(){
target.removeClass('no-transitions')}, 0) // handle nesting...
var l = t.getAttribute('__prevent_transitions')
if(l != null && !force && l != '0'){
t.getAttribute('__prevent_transitions', l-1)
return this
}
t.removeAttribute('__prevent_transitions')
target.removeClass('no-transitions')
var s = getComputedStyle(t) var s = getComputedStyle(t)
s.webkitTransition s.webkitTransition
s.mozTransition s.mozTransition
s.msTransition s.msTransition
s.oTransition s.oTransition
s.transition s.transition
}, 0)
} }
return this return this