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feat(view): hook watch group instantiation in the view.

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This commit is contained in:
Rado Kirov
2014-10-29 15:41:50 -07:00
parent 01e6c7b70c
commit 91f50b67b7
3 changed files with 111 additions and 42 deletions
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22
modules/core/src/compiler/view.js
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@ -6,6 +6,7 @@ import {ProtoElementInjector, ElementInjector} from './element_injector';
import {SetterFn} from 'change_detection/facade';
import {FIELD, IMPLEMENTS, int, isPresent, isBlank} from 'facade/lang';
import {List} from 'facade/collection';
import {Injector} from 'di/di';
/***
* Const of making objects: http://jsperf.com/instantiate-size-of-object
@ -24,7 +25,8 @@ export class View {
@FIELD('final nodes:List<Node>')
@FIELD('final onChangeDispatcher:OnChangeDispatcher')
constructor(fragment:DocumentFragment, elementInjector:List,
rootElementInjectors:List, textNodes:List, bindElements:List) {
rootElementInjectors:List, textNodes:List, bindElements:List,
protoWatchGroup:ProtoWatchGroup, context) {
this.fragment = fragment;
this.nodes = ListWrapper.clone(fragment.childNodes);
this.elementInjectors = elementInjector;
@ -32,6 +34,8 @@ export class View {
this.onChangeDispatcher = null;
this.textNodes = textNodes;
this.bindElements = bindElements;
this.watchGroup = protoWatchGroup.instantiate(this);
this.watchGroup.setContext(context);
}
onRecordChange(record:Record, target) {
@ -66,28 +70,29 @@ export class ProtoView {
this._template = template;
this._bindings = bindings;
this._protoElementInjectors = protoElementInjectors;
this._protoWatchGroup = protoWatchGroup;
// not implemented
this._protoWatchGroup = protoWatchGroup;
this._useRootElement = useRootElement;
}
instantiate():View {
instantiate(context, appInjector:Injector):View {
var fragment = DOM.clone(this._template.content);
var elements = DOM.querySelectorAll(fragment, ".ng-binding");
var protos = this._protoElementInjectors;
/**
* TODO: vsavkin: benchmark
* If this performs poorly, the three loops can be collapsed into one.
* If this performs poorly, the five loops can be collapsed into one.
*/
var elementInjectors = ProtoView._createElementInjectors(elements, protos);
var rootElementInjectors = ProtoView._rootElementInjectors(elementInjectors);
var textNodes = ProtoView._textNodes(elements, protos);
var bindElements = ProtoView._bindElements(elements, protos);
ProtoView._instantiateDirectives(elementInjectors, appInjector);
return new View(fragment, elementInjectors, rootElementInjectors, textNodes,
bindElements);
bindElements, this._protoWatchGroup, context);
}
static _createElementInjectors(elements, protos) {
@ -103,6 +108,13 @@ export class ProtoView {
return injectors;
}
static _instantiateDirectives(
injectors:List<ElementInjectors>, appInjector:Injector) {
for (var i = 0; i < injectors.length; ++i) {
if (injectors[i] != null) injectors[i].instantiateDirectives(appInjector);
}
}
static _createElementInjector(element, proto) {
//TODO: vsavkin: pass element to `proto.instantiate()` once https://github.com/angular/angular/pull/98 is merged
return proto.hasBindings ? proto.instantiate({view:null}) : null;