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reworked .update(..) handling...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2019-07-01 03:22:40 +03:00
parent 1023468aa7
commit 90f8f91aa4
1 changed files with 51 additions and 25 deletions
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72
ui (gen4)/lib/widget/browse2.js
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@ -920,8 +920,13 @@ var BaseBrowserPrototype = {
// within the timeout and more than two calls within a fast call
// sequence...
//
// NOTE: this does not care about the semantics of the .update(..)
// calls it drops (i.e. the arguments passed), only the first
// NOTE: the full options to .update(..) is remembered even if the
// update was deferred the next update either after the timeout
// or max timeout will be full retaining the passed options...
// NOTE: the delayed update is called with the same set of arguments
// as the last update call of that type (full / non-full).
// NOTE: this does not care about other semantics of the .update(..)
// calls it drops (i.e. the options passed), only the first
// and last call in sequence get actually called.
// XXX is this correct???
//
@ -3223,32 +3228,58 @@ var BaseBrowserPrototype = {
// ...and should full get passed if at least one call in sequence
// got a full=true???
// XXX should we cancel update handlers of delayed calls???
__update_timeout: null,
__update_max_timeout: null,
__update_full: undefined,
__update_args: undefined,
__update_timeout: undefined,
__update_max_timeout: undefined,
update: makeEventMethod('update',
function(evt, full, options){
options = (full && full !== true && full !== false) ?
options =
(full && full !== true && full !== false) ?
full
: options
full = full === options ?
false
: full
var args = this.__update_args = [
[evt, full,
...(options ?
[options]
: [])],
options]
this.__update_full = (full && args)
|| this.__update_full
var timeout = (options || {}).updateTimeout
|| this.options.updateTimeout
var max_timeout = (options || {}).updateMaxTimeout
|| this.options.updateMaxTimeout
var max_timeout = (options || {}).updateMaxDelay
|| this.options.updateMaxDelay
var _update = function(){
var _clear_timers = function(){
// house keeping...
clearTimeout(this.__update_max_timeout)
delete this.__update_max_timeout
delete this.__update_timeout
this
.run(function(){
clearTimeout(this.__update_timeout)
delete this.__update_timeout }.bind(this)
var _update = function(){
_clear_timers()
var full = !!this.__update_full
var [args, opts] = this.__update_full
|| this.__update_args
delete this.__update_full
delete this.__update_args
full
&& this.make(options)
this.preRender() })
.render(options)
this.trigger(evt, full, options) }.bind(this)
&& this.make(opts)
this
.preRender()
.render(opts)
this.trigger(...args) }.bind(this)
var _update_n_delay = function(){
// call...
_update()
// schedule clear...
this.__update_timeout = setTimeout(_clear_timers, timeout) }.bind(this)
// no timeout...
if(!timeout){
@ -3256,13 +3287,7 @@ var BaseBrowserPrototype = {
// first call -> call sync then delay...
} else if(this.__update_timeout == null){
// call...
_update()
// schedule clear...
this.__update_timeout = setTimeout(function(){
delete this.__update_max_timeout
delete this.__update_timeout
}.bind(this), timeout)
_update_n_delay()
// fast subsequent calls -> delay...
} else {
@ -3271,7 +3296,8 @@ var BaseBrowserPrototype = {
// force run at max_timeout...
max_timeout
&& this.__update_max_timeout == null
&& (this.__update_max_timeout = setTimeout(_update, max_timeout))
&& (this.__update_max_timeout =
setTimeout(_update_n_delay, max_timeout))
}
},
// we'll retrigger manually...