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perf(compiler): introduce direct rendering

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This allows to attach / detach embedded views and projected nodes
in a faster way.
This commit is contained in:
Tobias Bosch
2016-11-02 17:54:05 -07:00
committed by vikerman
parent d708a8859c
commit 9c23884da4
9 changed files with 211 additions and 20 deletions
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43
modules/@angular/core/src/linker/view.ts
View File

@ -11,7 +11,7 @@ import {Injector, THROW_IF_NOT_FOUND} from '../di/injector';
import {ListWrapper} from '../facade/collection';
import {isPresent} from '../facade/lang';
import {WtfScopeFn, wtfCreateScope, wtfLeave} from '../profile/profile';
import {RenderComponentType, RenderDebugInfo, Renderer} from '../render/api';
import {DirectRenderer, RenderComponentType, RenderDebugInfo, Renderer} from '../render/api';
import {AnimationViewContext} from './animation_view_context';
import {ComponentRef} from './component_factory';
@ -51,6 +51,7 @@ export abstract class AppView<T> {
private _hostInjector: Injector;
private _hostProjectableNodes: any[][];
private _animationContext: AnimationViewContext;
private _directRenderer: DirectRenderer;
public context: T;
@ -64,6 +65,7 @@ export abstract class AppView<T> {
} else {
this.renderer = parentView.renderer;
}
this._directRenderer = (this.renderer as any).directRenderer;
}
get animationContext(): AnimationViewContext {
@ -136,7 +138,7 @@ export abstract class AppView<T> {
detachAndDestroy() {
if (this._hasExternalHostElement) {
this.renderer.detachView(this.flatRootNodes);
this.detach();
} else if (isPresent(this.viewContainerElement)) {
this.viewContainerElement.detachView(this.viewContainerElement.nestedViews.indexOf(this));
}
@ -179,13 +181,34 @@ export abstract class AppView<T> {
detach(): void {
this.detachInternal();
if (this._animationContext) {
this._animationContext.onAllActiveAnimationsDone(
() => this.renderer.detachView(this.flatRootNodes));
this._animationContext.onAllActiveAnimationsDone(() => this._renderDetach());
} else {
this._renderDetach();
}
}
private _renderDetach() {
if (this._directRenderer) {
this.visitRootNodesInternal(this._directRenderer.remove, null);
} else {
this.renderer.detachView(this.flatRootNodes);
}
}
attachAfter(prevNode: any) {
if (this._directRenderer) {
const nextSibling = this._directRenderer.nextSibling(prevNode);
if (nextSibling) {
this.visitRootNodesInternal(this._directRenderer.insertBefore, nextSibling);
} else {
this.visitRootNodesInternal(
this._directRenderer.appendChild, this._directRenderer.parentElement(prevNode));
}
} else {
this.renderer.attachViewAfter(prevNode, this.flatRootNodes);
}
}
get changeDetectorRef(): ChangeDetectorRef { return this.ref; }
get flatRootNodes(): any[] {
@ -194,10 +217,14 @@ export abstract class AppView<T> {
return nodes;
}
projectedNodes(ngContentIndex: number): any[] {
const nodes: any[] = [];
this.visitProjectedNodes(ngContentIndex, addToArray, nodes);
return nodes;
projectNodes(parentElement: any, ngContentIndex: number) {
if (this._directRenderer) {
this.visitProjectedNodes(ngContentIndex, this._directRenderer.appendChild, parentElement);
} else {
const nodes: any[] = [];
this.visitProjectedNodes(ngContentIndex, addToArray, nodes);
this.renderer.projectNodes(parentElement, nodes);
}
}
visitProjectedNodes<C>(ngContentIndex: number, cb: (node: any, ctx: C) => void, c: C): void {