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feat(ChangeDetector): Add support for chained properties

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This commit is contained in:
Victor Berchet
2014-10-27 17:57:36 +01:00
parent 63494a74bf
commit c90a7114d3
4 changed files with 70 additions and 28 deletions
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26
modules/change_detection/src/record.js
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@ -44,19 +44,19 @@ export class Record {
@FIELD('final watchGroup:WatchGroup')
@FIELD('final protoRecord:ProtoRecord')
/// order list of all records. Including head/tail markers
@FIELD('_next:Record')
@FIELD('_prev:Record')
@FIELD('next:Record')
@FIELD('prev:Record')
/// next record to dirty check
@FIELD('_checkNext:Record')
@FIELD('_checkPrev:Record')
@FIELD('checkNext:Record')
@FIELD('checkPrev:Record')
// next notifier
@FIELD('_notifierNext:Record')
@FIELD('notifierNext:Record')
@FIELD('_mode:int')
@FIELD('_context')
@FIELD('_getter')
@FIELD('_arguments')
@FIELD('mode:int')
@FIELD('context')
@FIELD('getter')
@FIELD('previousValue')
@FIELD('currentValue')
constructor(watchGroup/*:wg.WatchGroup*/, protoRecord:ProtoRecord) {
this.protoRecord = protoRecord;
this.watchGroup = watchGroup;
@ -71,7 +71,8 @@ export class Record {
this.getter = null;
this.arguments = null;
this.previousValue = null;
this.currentValue = null;
// `this` means that the record is fresh
this.currentValue = this;
}
check():boolean {
@ -119,10 +120,9 @@ export class Record {
}
}
// todo(vicb): compute this info only once in ctor ? (add a bit in mode not to grow the mem req)
if (this.protoRecord.dispatchMemento === null) {
// forward propagate to the next record
this.next.setContext(this.currentValue);
} else {
// notify through dispatcher
this.watchGroup.dispatcher.onRecordChange(this, this.protoRecord.dispatchMemento);
@ -132,8 +132,6 @@ export class Record {
}
setContext(context) {
// use `this` as a marker for a fresh record
this.currentValue = this;
this.mode = MODE_STATE_PROPERTY;
this.context = context;
var factory = new FieldGetterFactory();