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define.class(function(exports){
var initializing = false
var log_render_cause = false
var process_list = []
var process_timer = undefined
function processTimeout(){
process_timer = undefined
var pl = process_list
process_list = []
for(var i = 0; i < pl.length; i+=2){
var node = pl[i+1], iter = node
if(log_render_cause){
console.log("Re-render caused by "+pl[i]+" on ", node)
}
while(iter){
if(iter.destroyed) break
iter = iter.parent
}
if(!iter) exports.process(node, undefined, undefined, true)
}
}
function __atAttributeGetRender(event, value, pthis, key){
if(!initializing){
if(process_list.indexOf(this) === -1){
var oldval = (event && event.old) || this[key];
if (! key || ((value !== oldval) || typeof value === 'object')){
process_list.push(key, this)
} else {
return
}
}
if(!process_timer){
process_timer = setTimeout(processTimeout, 0)
}
}
}
function atAttributeGet(key){
if(this.getAttributeConfig(key).rerender !== false && !this.hasListenerProp(key, 'name', '__atAttributeGetRender')){
this.addListener(key, __atAttributeGetRender)
}
}
exports.process = function render(inew_version, old_version, state, rerender, nochild){
var new_version = inew_version
var is_root = false
if(!state){
state = {render_block:[]}
is_root = true
}
if(!rerender){
var wires = []
new_version.connectWires(wires)
initializing = true
for(var i = 0; i < wires.length; i++){
wires[i]()
}
initializing = false
}
var old_children = old_version? old_version.children: undefined
if(!rerender){
if(old_version && old_version._persists && new_version._persists){
for(var key in old_version._persists){
if(!(key in new_version._persists)) continue
var value = old_version[key]
new_version['_' + key] = old_version[key]
new_version.emit(key, {type:'persist', owner:new_version, key:key, value:value})
}
}
if(new_version.atAnimate) new_version.screen.device.animate_hooks.push(new_version)
if(old_version) old_version.old_flag = true
if(new_version.atViewInit) new_version.atViewInit(old_version)
new_version.emit('init', old_version)
}
else{
old_children = new_version.children
}
if(new_version.render){
new_version.atAttributeGet = atAttributeGet
new_version.rerender = __atAttributeGetRender
if(new_version.classroot === undefined){
new_version.classroot = new_version
}
define.atConstructor = new_version.atStyleConstructor.bind(new_version)
new_version.children = new_version.render()
define.atConstructor = undefined
new_version.atAttributeGet = undefined
}
else{
new_version.children = new_version.constructor_children
}
if(!Array.isArray(new_version.children)){
if(new_version.children) new_version.children = [new_version.children]
else new_version.children = []
}
if(new_version.atRender) new_version.atRender()
if(new_version._viewport){
new_version.parent_viewport = new_version
new_version.child_viewport_list = []
if(!rerender && new_version.parent && new_version.parent.parent_viewport){
new_version.parent.parent_viewport.child_viewport_list.push(new_version)
}
}
var new_children = new_version.children
if(!nochild && new_children) for(var i = 0; i < new_children.length; i++){
var new_child = new_children[i]
if(Array.isArray(new_child)){
var args = Array.prototype.slice.call(new_child)
args.unshift(1)
args.unshift(i)
Array.prototype.splice.apply(new_children, args)
i--
continue
}
var old_child = undefined
if(old_children){
old_child = old_children[i]
if(new_children.indexOf(old_child) !== -1) old_child = undefined
}
var childreuse = false
if(new_child.parent){
childreuse = true
}
new_child.parent = new_version
new_child.screen = new_version.screen
new_child.rpc = new_version.rpc
new_child.parent_viewport = new_version.parent_viewport
new_children[i] = render(new_child, old_child, state, childreuse)
if(new_version.atChildRendered) new_version.atChildRendered(new_child)
}
if(new_version.atChildrenRendered) new_version.atChildrenRendered()
if(old_children) for(;i < old_children.length;i++){
var child = old_children[i]
child.destroyed = true
child.atViewDestroy()
child.emit('destroy')
}
if(old_version && !rerender){
old_version.destroyed = true
if(old_version.atAnimate){
var id = old_version.screen.device.animate_hooks.indexOf(old_version)
if(id !== -1) old_version.screen.device.animate_hooks.splice(id, 1)
}
old_version.atViewDestroy()
old_version.emit('destroy')
}
if(is_root){
if(new_version.screen){
new_version.screen.device.atNewlyRendered(new_version)
}
}
return new_version
}
exports.dump = function(node, depth){
var ret = ''
if(!depth) depth = ''
ret += depth + node.name + ': ' + node.constructor.name
var outer = node.outer
while(outer){
ret += " - " + outer.constructor.name
outer = outer.outer
}
if(node.children) for(var i = 0; i<node.children.length; i++){
ret += "\n"
ret += this.dump(node.children[i], depth +'-')
}
return ret
}
})
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