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updated attr/action pre-caching...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
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Alex A. Naanou 2018-01-19 01:21:56 +03:00
parent a6d31b4042
commit 8b2a135b9d
1 changed files with 23 additions and 6 deletions
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29
ui (gen4)/features/core.js
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@ -19,6 +19,7 @@
* base life-cycle events (start/stop/..) * base life-cycle events (start/stop/..)
* - serialization * - serialization
* base methods to handle loading, serialization and cloning... * base methods to handle loading, serialization and cloning...
* - cache
* - util * - util
* - journal * - journal
* action journaling and undo/redo functionality * action journaling and undo/redo functionality
@ -560,6 +561,8 @@ module.Serialization = ImageGridFeatures.Feature({
// XXX should this be in actions.js??? // XXX should this be in actions.js???
// XXX should we invalidate the cache automatically??? // XXX should we invalidate the cache automatically???
// XXX the cache can also be saved to localStorage and loaded until either
// the version changes or the feature list...
var CacheActions = actions.Actions({ var CacheActions = actions.Actions({
config: { config: {
// Enable/disable caching... // Enable/disable caching...
@ -573,6 +576,12 @@ var CacheActions = actions.Actions({
// number - delay pre-caching by number milliseconds // number - delay pre-caching by number milliseconds
// false - pre-caching disabled // false - pre-caching disabled
'pre-cache': 0, 'pre-cache': 0,
// Cache chunk length in ms...
//
// Caching is done in a series of chunks set by this separated by
// timeouts set by .config['pre-cache'] to let other stuff run...
'pre-cache-chunk': 8,
}, },
// XXX should these be actions??? // XXX should these be actions???
@ -584,6 +593,7 @@ var CacheActions = actions.Actions({
var l = cache[title] = cache[title] || lister.call(this) var l = cache[title] = cache[title] || lister.call(this)
return l return l
}, },
// XXX revise naming...
// XXX is this too broad?? // XXX is this too broad??
preCache: function(){ preCache: function(){
if(this.config.cache){ if(this.config.cache){
@ -592,7 +602,8 @@ var CacheActions = actions.Actions({
}, },
_preCache: function(t){ _preCache: function(t){
if(this.config.cache){ if(this.config.cache){
var t = t || this.config['pre-cache'] var t = t || this.config['pre-cache'] || 0
var c = this.config['pre-cache-chunk'] || 8
var done = 0 var done = 0
var attrs = [] var attrs = []
for(var k in this){ for(var k in this){
@ -601,15 +612,21 @@ var CacheActions = actions.Actions({
var l = attrs.length var l = attrs.length
var tick = function(){ var tick = function(){
// XXX is this the right way to go??? var a = Date.now()
this.showProgress var b = a
&& this.showProgress('Caching', done++, l)
if(attrs.length == 0){ if(attrs.length == 0){
return return
} }
this[attrs.pop()] while(b - a < c){
this[attrs.pop()]
b = Date.now()
// XXX is this the right way to go???
this.showProgress
&& this.showProgress('Caching', done++, l)
}
setTimeout(tick, t) setTimeout(tick, t)
}.bind(this) }.bind(this)