feat(render): add generic view factory based on the template commands

Part of #3605
Closes #4367
This commit is contained in:
Tobias Bosch 2015-09-25 09:43:21 -07:00
parent 0ed6fc4f6b
commit 1cf45757cd
11 changed files with 906 additions and 8 deletions

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@ -158,7 +158,9 @@ export class BrowserDomAdapter extends GenericBrowserDomAdapter {
removeChild(el, node) { el.removeChild(node); }
replaceChild(el: Node, newChild, oldChild) { el.replaceChild(newChild, oldChild); }
remove(node): Node {
node.parentNode.removeChild(node);
if (node.parentNode) {
node.parentNode.removeChild(node);
}
return node;
}
insertBefore(el, node) { el.parentNode.insertBefore(node, el); }

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@ -221,9 +221,7 @@ class Html5LibDomAdapter implements DomAdapter {
return new Element.tag(tagName);
}
createTextNode(String text, [doc]) {
throw 'not implemented';
}
createTextNode(String text, [doc]) => new Text(text);
createScriptTag(String attrName, String attrValue, [doc]) {
throw 'not implemented';

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@ -276,7 +276,11 @@ export class Parse5DomAdapter extends DomAdapter {
createElement(tagName): HTMLElement {
return treeAdapter.createElement(tagName, 'http://www.w3.org/1999/xhtml', []);
}
createTextNode(text: string): Text { throw _notImplemented('createTextNode'); }
createTextNode(text: string): Text {
var t = <any>this.createComment(text);
t.type = 'text';
return t;
}
createScriptTag(attrName: string, attrValue: string): HTMLElement {
return treeAdapter.createElement("script", 'http://www.w3.org/1999/xhtml',
[{name: attrName, value: attrValue}]);
@ -424,6 +428,9 @@ export class Parse5DomAdapter extends DomAdapter {
setAttribute(element, attribute: string, value: string) {
if (attribute) {
element.attribs[attribute] = value;
if (attribute === 'class') {
element.className = value;
}
}
}
removeAttribute(element, attribute: string) {

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@ -0,0 +1,62 @@
import {BaseException} from 'angular2/src/core/facade/exceptions';
import {ListWrapper, MapWrapper, Map, StringMapWrapper} from 'angular2/src/core/facade/collection';
import {isPresent, isBlank, stringify} from 'angular2/src/core/facade/lang';
import {
RenderViewRef,
RenderEventDispatcher,
RenderTemplateCmd,
RenderProtoViewRef,
RenderFragmentRef
} from './api';
export class DefaultProtoViewRef extends RenderProtoViewRef {
constructor(public cmds: RenderTemplateCmd[]) { super(); }
}
export class DefaultRenderFragmentRef<N> extends RenderFragmentRef {
constructor(public nodes: N[]) { super(); }
}
export class DefaultRenderView<N> extends RenderViewRef {
hydrated: boolean = false;
eventDispatcher: RenderEventDispatcher = null;
globalEventRemovers: Function[] = null;
constructor(public fragments: DefaultRenderFragmentRef<N>[], public boundTextNodes: N[],
public boundElements: N[], public nativeShadowRoots: N[],
public globalEventAdders: Function[]) {
super();
}
hydrate() {
if (this.hydrated) throw new BaseException('The view is already hydrated.');
this.hydrated = true;
this.globalEventRemovers = ListWrapper.createFixedSize(this.globalEventAdders.length);
for (var i = 0; i < this.globalEventAdders.length; i++) {
this.globalEventRemovers[i] = this.globalEventAdders[i]();
}
}
dehydrate() {
if (!this.hydrated) throw new BaseException('The view is already dehydrated.');
for (var i = 0; i < this.globalEventRemovers.length; i++) {
this.globalEventRemovers[i]();
}
this.globalEventRemovers = null;
this.hydrated = false;
}
setEventDispatcher(dispatcher: RenderEventDispatcher) { this.eventDispatcher = dispatcher; }
dispatchRenderEvent(boundElementIndex: number, eventName: string, event: any): boolean {
var allowDefaultBehavior = true;
if (isPresent(this.eventDispatcher)) {
var locals = new Map();
locals.set('$event', event);
allowDefaultBehavior =
this.eventDispatcher.dispatchRenderEvent(boundElementIndex, eventName, locals);
}
return allowDefaultBehavior;
}
}

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@ -0,0 +1,230 @@
import {isBlank, isPresent} from 'angular2/src/core/facade/lang';
import {
RenderEventDispatcher,
RenderTemplateCmd,
RenderCommandVisitor,
RenderBeginElementCmd,
RenderBeginComponentCmd,
RenderNgContentCmd,
RenderTextCmd,
RenderEmbeddedTemplateCmd
} from './api';
import {DefaultRenderView, DefaultRenderFragmentRef} from './view';
export function createRenderView(fragmentCmds: RenderTemplateCmd[], inplaceElement: any,
nodeFactory: NodeFactory<any>): DefaultRenderView<any> {
var builders: RenderViewBuilder<any>[] = [];
visitAll(new RenderViewBuilder<any>(null, null, inplaceElement, builders, nodeFactory),
fragmentCmds);
var boundElements: any[] = [];
var boundTextNodes: any[] = [];
var nativeShadowRoots: any[] = [];
var fragments: DefaultRenderFragmentRef<any>[] = [];
var viewElementOffset = 0;
var view: DefaultRenderView<any>;
var eventDispatcher = (boundElementIndex: number, eventName: string, event: any) =>
view.dispatchRenderEvent(boundElementIndex, eventName, event);
var globalEventAdders: Function[] = [];
for (var i = 0; i < builders.length; i++) {
var builder = builders[i];
addAll(builder.boundElements, boundElements);
addAll(builder.boundTextNodes, boundTextNodes);
addAll(builder.nativeShadowRoots, nativeShadowRoots);
if (isBlank(builder.rootNodesParent)) {
fragments.push(new DefaultRenderFragmentRef<any>(builder.fragmentRootNodes));
}
for (var j = 0; j < builder.eventData.length; j++) {
var eventData = builder.eventData[j];
var boundElementIndex = eventData[0] + viewElementOffset;
var target = eventData[1];
var eventName = eventData[2];
if (isPresent(target)) {
var handler =
createEventHandler(boundElementIndex, `${target}:${eventName}`, eventDispatcher);
globalEventAdders.push(createGlobalEventAdder(target, eventName, handler, nodeFactory));
} else {
var handler = createEventHandler(boundElementIndex, eventName, eventDispatcher);
nodeFactory.on(boundElements[boundElementIndex], eventName, handler);
}
}
viewElementOffset += builder.boundElements.length;
}
view = new DefaultRenderView<any>(fragments, boundTextNodes, boundElements, nativeShadowRoots,
globalEventAdders);
return view;
}
function createEventHandler(boundElementIndex: number, eventName: string,
eventDispatcher: Function): Function {
return ($event) => eventDispatcher(boundElementIndex, eventName, $event);
}
function createGlobalEventAdder(target: string, eventName: string, eventHandler: Function,
nodeFactory: NodeFactory<any>): Function {
return () => nodeFactory.globalOn(target, eventName, eventHandler);
}
export interface NodeFactory<N> {
resolveComponentTemplate(templateId: number): RenderTemplateCmd[];
createTemplateAnchor(attrNameAndValues: string[]): N;
createElement(name: string, attrNameAndValues: string[]): N;
mergeElement(existing: N, attrNameAndValues: string[]);
createShadowRoot(host: N): N;
createText(value: string): N;
appendChild(parent: N, child: N);
on(element: N, eventName: string, callback: Function);
globalOn(target: string, eventName: string, callback: Function): Function;
}
class RenderViewBuilder<N> implements RenderCommandVisitor {
parentStack: Array<N | Component<N>>;
boundTextNodes: N[] = [];
boundElements: N[] = [];
eventData: any[][] = [];
fragmentRootNodes: N[] = [];
nativeShadowRoots: N[] = [];
constructor(public parentComponent: Component<N>, public rootNodesParent: N,
public inplaceElement: N, public allBuilders: RenderViewBuilder<N>[],
public factory: NodeFactory<N>) {
this.parentStack = [rootNodesParent];
allBuilders.push(this);
}
get parent(): N | Component<N> { return this.parentStack[this.parentStack.length - 1]; }
visitText(cmd: RenderTextCmd, context: any): any {
var text = this.factory.createText(cmd.value);
this._addChild(text, cmd.ngContentIndex);
if (cmd.isBound) {
this.boundTextNodes.push(text);
}
return null;
}
visitNgContent(cmd: RenderNgContentCmd, context: any): any {
if (isPresent(this.parentComponent)) {
var projectedNodes = this.parentComponent.project();
for (var i = 0; i < projectedNodes.length; i++) {
var node = projectedNodes[i];
this._addChild(node, cmd.ngContentIndex);
}
}
return null;
}
visitBeginElement(cmd: RenderBeginElementCmd, context: any): any {
this.parentStack.push(this._beginElement(cmd));
return null;
}
visitEndElement(context: any): any {
this._endElement();
return null;
}
visitBeginComponent(cmd: RenderBeginComponentCmd, context: any): any {
var el = this._beginElement(cmd);
var root = el;
if (cmd.nativeShadow) {
root = this.factory.createShadowRoot(el);
this.nativeShadowRoots.push(root);
}
this.parentStack.push(new Component(el, root, cmd, this.factory));
return null;
}
visitEndComponent(context: any): any {
var c = <Component<N>>this.parent;
var template = this.factory.resolveComponentTemplate(c.cmd.templateId);
this._visitChildTemplate(template, c, c.shadowRoot);
this._endElement();
return null;
}
visitEmbeddedTemplate(cmd: RenderEmbeddedTemplateCmd, context: any): any {
var el = this.factory.createTemplateAnchor(cmd.attrNameAndValues);
this._addChild(el, cmd.ngContentIndex);
this.boundElements.push(el);
if (cmd.isMerged) {
this._visitChildTemplate(cmd.children, this.parentComponent, null);
}
return null;
}
private _beginElement(cmd: RenderBeginElementCmd): N {
var el: N;
if (isPresent(this.inplaceElement)) {
el = this.inplaceElement;
this.inplaceElement = null;
this.factory.mergeElement(el, cmd.attrNameAndValues);
this.fragmentRootNodes.push(el);
} else {
el = this.factory.createElement(cmd.name, cmd.attrNameAndValues);
this._addChild(el, cmd.ngContentIndex);
}
if (cmd.isBound) {
this.boundElements.push(el);
for (var i = 0; i < cmd.eventTargetAndNames.length; i += 2) {
var target = cmd.eventTargetAndNames[i];
var eventName = cmd.eventTargetAndNames[i + 1];
this.eventData.push([this.boundElements.length - 1, target, eventName]);
}
}
return el;
}
private _endElement() { this.parentStack.pop(); }
private _visitChildTemplate(cmds: RenderTemplateCmd[], parent: Component<N>, rootNodesParent: N) {
visitAll(new RenderViewBuilder(parent, rootNodesParent, null, this.allBuilders, this.factory),
cmds);
}
private _addChild(node: N, ngContentIndex: number) {
var parent = this.parent;
if (isPresent(parent)) {
if (parent instanceof Component) {
parent.addContentNode(ngContentIndex, node);
} else {
this.factory.appendChild(<N>parent, node);
}
} else {
this.fragmentRootNodes.push(node);
}
}
}
class Component<N> {
private contentNodesByNgContentIndex: N[][] = [];
private projectingNgContentIndex: number = 0;
constructor(public hostElement: N, public shadowRoot: N, public cmd: RenderBeginComponentCmd,
public factory: NodeFactory<N>) {}
addContentNode(ngContentIndex: number, node: N) {
if (isBlank(ngContentIndex)) {
if (this.cmd.nativeShadow) {
this.factory.appendChild(this.hostElement, node);
}
} else {
while (this.contentNodesByNgContentIndex.length <= ngContentIndex) {
this.contentNodesByNgContentIndex.push([]);
}
this.contentNodesByNgContentIndex[ngContentIndex].push(node);
}
}
project(): N[] {
var ngContentIndex = this.projectingNgContentIndex++;
return ngContentIndex < this.contentNodesByNgContentIndex.length ?
this.contentNodesByNgContentIndex[ngContentIndex] :
[];
}
}
function addAll(source: any[], target: any[]) {
for (var i = 0; i < source.length; i++) {
target.push(source[i]);
}
}
function visitAll(visitor: RenderCommandVisitor, fragmentCmds: RenderTemplateCmd[]) {
for (var i = 0; i < fragmentCmds.length; i++) {
fragmentCmds[i].visit(visitor, null);
}
}

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@ -119,7 +119,8 @@ export function stringifyElement(el): string {
result += '>';
// Children
var children = DOM.childNodes(DOM.templateAwareRoot(el));
var childrenRoot = DOM.templateAwareRoot(el);
var children = isPresent(childrenRoot) ? DOM.childNodes(childrenRoot) : [];
for (let j = 0; j < children.length; j++) {
result += stringifyElement(children[j]);
}

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@ -50,6 +50,25 @@ export function main() {
});
it('should be able to create text nodes and use them with the other APIs', () => {
var t = DOM.createTextNode('hello');
expect(DOM.isTextNode(t)).toBe(true);
var d = DOM.createElement('div');
DOM.appendChild(d, t);
expect(DOM.getInnerHTML(d)).toEqual('hello');
});
it('should set className via the class attribute', () => {
var d = DOM.createElement('div');
DOM.setAttribute(d, 'class', 'class1');
expect(d.className).toEqual('class1');
});
it('should allow to remove nodes without parents', () => {
var d = DOM.createElement('div');
expect(() => DOM.remove(d)).not.toThrow();
});
if (DOM.supportsDOMEvents()) {
describe('getBaseHref', () => {
beforeEach(() => DOM.resetBaseElement());

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@ -0,0 +1,526 @@
import {
AsyncTestCompleter,
beforeEach,
ddescribe,
describe,
expect,
iit,
inject,
it,
xit,
stringifyElement
} from 'angular2/test_lib';
import {isPresent} from 'angular2/src/core/facade/lang';
import {MapWrapper, ListWrapper} from 'angular2/src/core/facade/collection';
import * as appCmds from 'angular2/src/core/compiler/template_commands';
import {createRenderView, NodeFactory} from 'angular2/src/core/render/view_factory';
import {RenderTemplateCmd, RenderBeginElementCmd} from 'angular2/src/core/render/api';
import {SpyRenderEventDispatcher} from '../spies';
import {DOM} from 'angular2/src/core/dom/dom_adapter';
function beginElement(name: string, attrNameAndValues: string[], eventTargetAndNames: string[],
isBound: boolean, ngContentIndex: number): RenderBeginElementCmd {
return appCmds.beginElement(name, attrNameAndValues, eventTargetAndNames, [], [], isBound,
ngContentIndex)
}
function endElement() {
return appCmds.endElement();
}
function text(value: string, isBound: boolean, ngContentIndex: number) {
return appCmds.text(value, isBound, ngContentIndex);
}
function embeddedTemplate(attrNameAndValues: string[], isMerged: boolean, ngContentIndex: number,
children: any[]) {
return appCmds.embeddedTemplate(attrNameAndValues, [], [], isMerged, ngContentIndex, null,
children);
}
function beginComponent(name: string, attrNameAndValues: string[], eventTargetAndNames: string[],
nativeShadow: boolean, ngContentIndex: number, templateId: number) {
return appCmds.beginComponent(name, attrNameAndValues, eventTargetAndNames, [], [], nativeShadow,
ngContentIndex, new appCmds.CompiledTemplate(templateId, null));
}
function endComponent() {
return appCmds.endComponent();
}
function ngContent(ngContentIndex: number) {
return appCmds.ngContent(ngContentIndex);
}
export function main() {
describe('createRenderView', () => {
var nodeFactory: DomNodeFactory;
var eventDispatcher: SpyRenderEventDispatcher;
var componentTemplates: Map<number, RenderTemplateCmd[]> = new Map();
beforeEach(() => {
nodeFactory = new DomNodeFactory(componentTemplates);
eventDispatcher = new SpyRenderEventDispatcher();
});
describe('primitives', () => {
it('should create elements with attributes', () => {
var view = createRenderView(
[beginElement('div', ['attr1', 'value1'], [], false, null), endElement()], null,
nodeFactory);
expect(stringifyFragment(view.fragments[0].nodes)).toEqual('<div attr1="value1"></div>');
});
it('should create host elements with attributes', () => {
componentTemplates.set(0, []);
var view = createRenderView(
[beginComponent('a-comp', ['attr1', 'value1'], [], false, null, 0), endElement()], null,
nodeFactory);
expect(stringifyFragment(view.fragments[0].nodes))
.toEqual('<a-comp attr1="value1"></a-comp>');
});
it('should create embedded templates with attributes', () => {
componentTemplates.set(0, []);
var view = createRenderView([embeddedTemplate(['attr1', 'value1'], false, null, [])], null,
nodeFactory);
expect(stringifyFragment(view.fragments[0].nodes))
.toEqual('<template attr1="value1"></template>');
});
it('should store bound elements', () => {
componentTemplates.set(0, []);
var view = createRenderView(
[
beginElement('div', ['id', '1'], [], false, null),
endElement(),
beginElement('span', ['id', '2'], [], true, null),
endElement(),
beginComponent('a-comp', ['id', '3'], [], false, null, 0),
endElement(),
embeddedTemplate(['id', '4'], false, null, [])
],
null, nodeFactory);
expect(mapAttrs(view.boundElements, 'id')).toEqual(['2', '3', '4']);
});
it('should use the inplace element for the first create element', () => {
var el = DOM.createElement('span');
var view = createRenderView(
[
beginElement('div', ['attr1', 'value1'], [], false, null),
endElement(),
beginElement('div', [], [], false, null),
endElement()
],
el, nodeFactory);
expect(stringifyFragment(view.fragments[0].nodes))
.toEqual('<span attr1="value1"></span><div></div>');
});
it('should create text nodes', () => {
var view = createRenderView([text('someText', false, null)], null, nodeFactory);
expect(stringifyFragment(view.fragments[0].nodes)).toEqual('someText');
});
it('should store bound text nodes', () => {
var view =
createRenderView([text('1', false, null), text('2', true, null)], null, nodeFactory);
expect(stringifyElement(view.boundTextNodes[0])).toEqual('2');
});
it('should register element event listeners', () => {
componentTemplates.set(0, []);
var view = createRenderView(
[
beginElement('div', [], [null, 'click'], true, null),
endElement(),
beginComponent('a-comp', [], [null, 'click'], false, null, 0),
endElement(),
],
null, nodeFactory);
view.setEventDispatcher(<any>eventDispatcher);
var event = {};
nodeFactory.triggerLocalEvent(view.boundElements[0], 'click', event);
nodeFactory.triggerLocalEvent(view.boundElements[1], 'click', event);
expect(eventDispatcher.spy('dispatchRenderEvent'))
.toHaveBeenCalledWith(0, 'click', MapWrapper.createFromStringMap({'$event': event}));
expect(eventDispatcher.spy('dispatchRenderEvent'))
.toHaveBeenCalledWith(1, 'click', MapWrapper.createFromStringMap({'$event': event}));
});
it('should register element global event listeners', () => {
var view = createRenderView(
[
beginElement('div', [], ['window', 'scroll'], true, null),
endElement(),
beginComponent('a-comp', [], ['window', 'scroll'], false, null, 0),
endElement(),
],
null, nodeFactory);
view.hydrate();
view.setEventDispatcher(<any>eventDispatcher);
var event = {};
nodeFactory.triggerGlobalEvent('window', 'scroll', event);
expect(eventDispatcher.spy('dispatchRenderEvent'))
.toHaveBeenCalledWith(0, 'window:scroll',
MapWrapper.createFromStringMap({'$event': event}));
expect(eventDispatcher.spy('dispatchRenderEvent'))
.toHaveBeenCalledWith(1, 'window:scroll',
MapWrapper.createFromStringMap({'$event': event}));
});
});
describe('nested nodes', () => {
it('should create nested node', () => {
var view = createRenderView(
[
beginElement('a', [], [], false, null),
beginElement('b', [], [], false, null),
text('someText', false, null),
endElement(),
endElement(),
],
null, nodeFactory);
expect(stringifyFragment(view.fragments[0].nodes)).toEqual('<a><b>someText</b></a>');
});
it('should store bound elements in depth first order', () => {
var view = createRenderView(
[
beginElement('a', ['id', '1'], [], false, null),
endElement(),
beginElement('a', ['id', '2'], [], true, null),
beginElement('a', ['id', '3'], [], false, null),
endElement(),
beginElement('a', ['id', '4'], [], true, null),
endElement(),
endElement(),
beginElement('a', ['id', '5'], [], false, null),
endElement(),
beginElement('a', ['id', '6'], [], true, null),
endElement(),
],
null, nodeFactory);
expect(mapAttrs(view.boundElements, 'id')).toEqual(['2', '4', '6']);
});
it('should store bound text nodes in depth first order', () => {
var view = createRenderView(
[
text('1', false, null),
text('2', true, null),
beginElement('a', [], [], false, null),
text('3', false, null),
text('4', true, null),
endElement(),
text('5', false, null),
text('6', true, null),
],
null, nodeFactory);
expect(mapText(view.boundTextNodes)).toEqual(['2', '4', '6']);
});
});
describe('merged embedded templates', () => {
it('should create separate fragments', () => {
var view = createRenderView(
[embeddedTemplate(['attr1', 'value1'], true, null, [text('someText', false, null)])],
null, nodeFactory);
expect(view.fragments.length).toBe(2);
expect(stringifyFragment(view.fragments[1].nodes)).toEqual('someText');
});
it('should store bound elements after the bound elements of earlier fragments', () => {
var view =
createRenderView(
[
beginElement('a', ['id', '1.1'], [], true, null),
endElement(),
embeddedTemplate(['id', '1.2'], true, null,
[
embeddedTemplate(['id', '2.1'], true, null,
[
beginElement('a', ['id', '3.1'],
[], true, null),
endElement()
]),
beginElement('a', ['id', '2.2'], [], true, null),
endElement(),
]),
beginElement('a', ['id', '1.3'], [], true, null),
endElement(),
],
null, nodeFactory);
expect(mapAttrs(view.boundElements, 'id'))
.toEqual(['1.1', '1.2', '1.3', '2.1', '2.2', '3.1']);
});
it('should store bound text nodes after the bound text nodes of earlier fragments', () => {
var view =
createRenderView(
[
text('1.1', true, null),
embeddedTemplate(['id', '1.2'], true, null,
[
text('2.1', true, null),
embeddedTemplate(['id', '2.1'], true, null,
[
text('3.1', true, null),
]),
text('2.2', true, null),
]),
text('1.2', true, null),
],
null, nodeFactory);
expect(mapText(view.boundTextNodes)).toEqual(['1.1', '1.2', '2.1', '2.2', '3.1']);
});
});
describe('non merged embedded templates', () => {
it('should only create the anchor element', () => {
var view = createRenderView(
[
embeddedTemplate(['id', '1.1'], false, null,
[
text('someText', true, null),
beginElement('a', ['id', '2.1'], [], true, null),
endElement()
])
],
null, nodeFactory);
expect(view.fragments.length).toBe(1);
expect(stringifyFragment(view.fragments[0].nodes))
.toEqual('<template id="1.1"></template>');
expect(view.boundTextNodes.length).toBe(0);
expect(mapAttrs(view.boundElements, 'id')).toEqual(['1.1']);
});
});
describe('components', () => {
it('should store the component template in the same fragment', () => {
componentTemplates.set(0, [
text('hello', false, null),
]);
var view = createRenderView(
[beginComponent('my-comp', [], [], false, null, 0), endComponent()], null, nodeFactory);
expect(view.fragments.length).toBe(1);
expect(stringifyFragment(view.fragments[0].nodes)).toEqual('<my-comp>hello</my-comp>');
});
it('should use native shadow DOM', () => {
componentTemplates.set(0, [
text('hello', false, null),
]);
var view = createRenderView(
[beginComponent('my-comp', [], [], true, null, 0), endComponent()], null, nodeFactory);
expect(view.fragments.length).toBe(1);
expect(stringifyFragment(view.fragments[0].nodes))
.toEqual('<my-comp><shadow-root>hello</shadow-root></my-comp>');
});
it('should store bound elements after the bound elements of the main template', () => {
componentTemplates.set(0, [
beginComponent('b-comp', ['id', '2.1'], [], false, null, 1),
endComponent(),
beginComponent('b-comp', ['id', '2.2'], [], false, null, 1),
endComponent(),
]);
componentTemplates.set(1, [beginElement('a', ['id', '3.1'], [], true, null), endElement()]);
var view = createRenderView(
[
beginElement('a', ['id', '1.1'], [], true, null),
endElement(),
beginComponent('a-comp', ['id', '1.2'], [], false, null, 0),
beginElement('a', ['id', '1.3'], [], true, null),
endElement(),
endComponent(),
beginElement('a', ['id', '1.4'], [], true, null),
endElement(),
],
null, nodeFactory);
expect(mapAttrs(view.boundElements, 'id'))
.toEqual(['1.1', '1.2', '1.3', '1.4', '2.1', '2.2', '3.1', '3.1']);
});
it('should store bound text nodes after the bound text nodes of the main template', () => {
componentTemplates.set(0, [
text('2.1', true, null),
beginComponent('b-comp', [], [], false, null, 1),
endComponent(),
beginComponent('b-comp', [], [], false, null, 1),
endComponent(),
text('2.2', true, null),
]);
componentTemplates.set(1, [
text('3.1', true, null),
]);
var view = createRenderView(
[
text('1.1', true, null),
beginComponent('a-comp', [], [], false, null, 0),
text('1.2', true, null),
endComponent(),
text('1.3', true, null),
],
null, nodeFactory);
expect(mapText(view.boundTextNodes))
.toEqual(['1.1', '1.2', '1.3', '2.1', '2.2', '3.1', '3.1']);
});
});
describe('content projection', () => {
it('should remove non projected nodes', () => {
componentTemplates.set(0, []);
var view = createRenderView(
[
beginComponent('my-comp', [], [], false, null, 0),
text('hello', false, null),
endComponent()
],
null, nodeFactory);
expect(stringifyFragment(view.fragments[0].nodes)).toEqual('<my-comp></my-comp>');
});
it('should keep non projected nodes in the light dom when using native shadow dom', () => {
componentTemplates.set(0, []);
var view = createRenderView(
[
beginComponent('my-comp', [], [], true, null, 0),
text('hello', false, null),
endComponent()
],
null, nodeFactory);
var rootEl = view.fragments[0].nodes[0];
expect(stringifyElement(rootEl))
.toEqual('<my-comp><shadow-root></shadow-root>hello</my-comp>');
});
it('should project commands based on their ngContentIndex', () => {
componentTemplates.set(0, [
text('(', false, null),
ngContent(null),
text(',', false, null),
ngContent(null),
text(')', false, null)
]);
var view = createRenderView(
[
beginComponent('my-comp', [], [], false, null, 0),
text('2', false, 1),
text('1', false, 0),
endComponent()
],
null, nodeFactory);
expect(stringifyFragment(view.fragments[0].nodes)).toEqual('<my-comp>(1,2)</my-comp>');
});
it('should reproject nodes over multiple ng-content commands', () => {
componentTemplates.set(
0, [beginComponent('b-comp', [], [], false, null, 1), ngContent(0), endComponent()]);
componentTemplates.set(1,
[text('(', false, null), ngContent(null), text(')', false, null)]);
var view = createRenderView(
[
beginComponent('a-comp', [], [], false, null, 0),
text('hello', false, 0),
endComponent()
],
null, nodeFactory);
expect(stringifyFragment(view.fragments[0].nodes))
.toEqual('<a-comp><b-comp>(hello)</b-comp></a-comp>');
});
});
});
}
class DomNodeFactory implements NodeFactory<Node> {
private _globalEventListeners: GlobalEventListener[] = [];
private _localEventListeners: LocalEventListener[] = [];
constructor(private _components: Map<number, RenderTemplateCmd[]>) {}
triggerLocalEvent(el: Element, eventName: string, event: any) {
this._localEventListeners.forEach(listener => {
if (listener.eventName == eventName) {
listener.callback(event);
}
});
}
triggerGlobalEvent(target: string, eventName: string, event: any) {
this._globalEventListeners.forEach(listener => {
if (listener.eventName == eventName && listener.target == target) {
listener.callback(event);
}
});
}
resolveComponentTemplate(templateId: number): RenderTemplateCmd[] {
return this._components.get(templateId);
}
createTemplateAnchor(attrNameAndValues: string[]): Node {
var el = DOM.createElement('template');
this._setAttributes(el, attrNameAndValues);
return el;
}
createElement(name: string, attrNameAndValues: string[]): Node {
var el = DOM.createElement(name);
this._setAttributes(el, attrNameAndValues);
return el;
}
mergeElement(existing: Node, attrNameAndValues: string[]) {
DOM.clearNodes(existing);
this._setAttributes(existing, attrNameAndValues);
}
private _setAttributes(el: Node, attrNameAndValues: string[]) {
for (var attrIdx = 0; attrIdx < attrNameAndValues.length; attrIdx += 2) {
DOM.setAttribute(el, attrNameAndValues[attrIdx], attrNameAndValues[attrIdx + 1]);
}
}
createShadowRoot(host: Node): Node {
var root = DOM.createElement('shadow-root');
DOM.appendChild(host, root);
return root;
}
createText(value: string): Node { return DOM.createTextNode(isPresent(value) ? value : ''); }
appendChild(parent: Node, child: Node) { DOM.appendChild(parent, child); }
on(element: Node, eventName: string, callback: Function) {
this._localEventListeners.push(new LocalEventListener(element, eventName, callback));
}
globalOn(target: string, eventName: string, callback: Function): Function {
var listener = new GlobalEventListener(target, eventName, callback);
this._globalEventListeners.push(listener);
return () => {
var index = this._globalEventListeners.indexOf(listener);
if (index !== -1) {
this._globalEventListeners.splice(index, 1);
}
}
}
}
class LocalEventListener {
constructor(public element: Node, public eventName: string, public callback: Function) {}
}
class GlobalEventListener {
constructor(public target: string, public eventName: string, public callback: Function) {}
}
function stringifyFragment(nodes: Node[]) {
return nodes.map(stringifyElement).join('');
}
function mapAttrs(nodes: Node[], attrName): string[] {
return nodes.map(node => DOM.getAttribute(node, attrName));
}
function mapText(nodes: Node[]): string[] {
return nodes.map(node => DOM.getText(node));
}

View File

@ -0,0 +1,38 @@
import {
AsyncTestCompleter,
beforeEach,
ddescribe,
describe,
expect,
iit,
inject,
it,
xit
} from 'angular2/test_lib';
import {DefaultRenderView} from 'angular2/src/core/render/view';
export function main() {
describe('DefaultRenderView', () => {
describe('hydrate', () => {
it('should register global event listeners', () => {
var addCount = 0;
var adder = () => { addCount++ };
var view = new DefaultRenderView<Node>([], [], [], [], [adder]);
view.hydrate();
expect(addCount).toBe(1);
});
});
describe('dehydrate', () => {
it('should deregister global event listeners', () => {
var removeCount = 0;
var adder = () => () => { removeCount++ };
var view = new DefaultRenderView<Node>([], [], [], [], [adder]);
view.hydrate();
view.dehydrate();
expect(removeCount).toBe(1);
});
});
});
}

View File

@ -110,3 +110,8 @@ class SpyDomAdapter extends SpyObject implements DomAdapter {
class SpyXHR extends SpyObject implements XHR {
noSuchMethod(m) => super.noSuchMethod(m);
}
@proxy
class SpyRenderEventDispatcher extends SpyObject implements RenderEventDispatcher {
noSuchMethod(m) => super.noSuchMethod(m);
}

View File

@ -6,7 +6,7 @@ import {
DynamicChangeDetector
} from 'angular2/src/core/change_detection/change_detection';
import {RenderCompiler, Renderer} from 'angular2/src/core/render/api';
import {RenderCompiler, Renderer, RenderEventDispatcher} from 'angular2/src/core/render/api';
import {DirectiveResolver} from 'angular2/src/core/compiler/directive_resolver';
import {AppView} from 'angular2/src/core/compiler/view';
@ -92,4 +92,14 @@ export class SpyDomAdapter extends SpyObject {
export class SpyXHR extends SpyObject {
constructor() { super(XHR); }
}
}
export class SpyRenderEventDispatcher extends SpyObject {
constructor() {
// Note: RenderEventDispatcher is an interface,
// so we can't pass it to super() and have to register
// the spy methods on our own.
super();
this.spy('dispatchRenderEvent');
}
}