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feat(change_detection): implemented change detection that can be configured with pregenerated change detectors

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This commit is contained in:
vsavkin
2015-05-13 13:25:18 -07:00
parent d8c7c274e4
commit 08f21dbf51
3 changed files with 54 additions and 19 deletions
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40
modules/angular2/src/change_detection/change_detection.ts
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@ -6,12 +6,10 @@ import {KeyValueChangesFactory} from './pipes/keyvalue_changes';
import {ObservablePipeFactory} from './pipes/observable_pipe';
import {PromisePipeFactory} from './pipes/promise_pipe';
import {NullPipeFactory} from './pipes/null_pipe';
import {BindingRecord} from './binding_record';
import {DirectiveRecord} from './directive_record';
import {DEFAULT} from './constants';
import {ChangeDetection, ProtoChangeDetector, ChangeDetectorDefinition} from './interfaces';
import {Injectable} from 'angular2/src/di/decorators';
import {List} from 'angular2/src/facade/collection';
import {List, StringMapWrapper} from 'angular2/src/facade/collection';
import {isPresent, BaseException} from 'angular2/src/facade/lang';
// HACK: workaround for Traceur behavior.
// It expects all transpiled modules to contain this marker.
@ -47,6 +45,34 @@ export var defaultPipes = {
"async": async
};
export var preGeneratedProtoDetectors = {};
/**
* Implements change detection using a map of pregenerated proto detectors.
*
* @exportedAs angular2/change_detection
*/
export class PreGeneratedChangeDetection extends ChangeDetection {
_dynamicChangeDetection: ChangeDetection;
_protoChangeDetectors: any;
constructor(private registry: PipeRegistry, protoChangeDetectors?) {
super();
this._dynamicChangeDetection = new DynamicChangeDetection(registry);
this._protoChangeDetectors =
isPresent(protoChangeDetectors) ? protoChangeDetectors : preGeneratedProtoDetectors;
}
createProtoChangeDetector(definition: ChangeDetectorDefinition): ProtoChangeDetector {
var id = definition.id;
if (StringMapWrapper.contains(this._protoChangeDetectors, id)) {
return StringMapWrapper.get(this._protoChangeDetectors, id)(this.registry);
}
return this._dynamicChangeDetection.createProtoChangeDetector(definition);
}
}
/**
* Implements change detection that does not require `eval()`.
@ -57,9 +83,9 @@ export var defaultPipes = {
*/
@Injectable()
export class DynamicChangeDetection extends ChangeDetection {
constructor(public registry: PipeRegistry) { super(); }
constructor(private registry: PipeRegistry) { super(); }
createProtoChangeDetector(definition:ChangeDetectorDefinition): ProtoChangeDetector {
createProtoChangeDetector(definition: ChangeDetectorDefinition): ProtoChangeDetector {
return new DynamicProtoChangeDetector(this.registry, definition);
}
}
@ -76,7 +102,7 @@ export class DynamicChangeDetection extends ChangeDetection {
export class JitChangeDetection extends ChangeDetection {
constructor(public registry: PipeRegistry) { super(); }
createProtoChangeDetector(definition:ChangeDetectorDefinition): ProtoChangeDetector {
createProtoChangeDetector(definition: ChangeDetectorDefinition): ProtoChangeDetector {
return new JitProtoChangeDetector(this.registry, definition);
}
}