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Copy pathimpl.ts
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345 lines (327 loc) · 12 KB
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/*
* This file is the entry point for the main thread
* It takes care of spawning the worker and sending it the initial init message
* It also acts and the messenger between the worker thread and the renderer running on the UI
* thread
*/
import {createInjector} from "./di_bindings";
import {
Renderer,
RenderCompiler,
DirectiveMetadata,
ProtoViewDto,
ViewDefinition,
RenderProtoViewRef,
RenderProtoViewMergeMapping,
RenderViewRef,
RenderEventDispatcher,
RenderFragmentRef
} from "angular2/src/render/api";
import {Type, print, BaseException, isFunction} from "angular2/src/facade/lang";
import {Promise, PromiseWrapper} from "angular2/src/facade/async";
import {StringMapWrapper, SetWrapper} from 'angular2/src/facade/collection';
import {Serializer} from "angular2/src/web-workers/shared/serializer";
import {MessageBus, MessageBusSink} from "angular2/src/web-workers/shared/message_bus";
import {
RenderViewWithFragmentsStore
} from 'angular2/src/web-workers/shared/render_view_with_fragments_store';
import {createNgZone} from 'angular2/src/core/application_common';
import {WorkerElementRef} from 'angular2/src/web-workers/shared/api';
import {AnchorBasedAppRootUrl} from 'angular2/src/services/anchor_based_app_root_url';
import {Injectable} from 'angular2/di';
import {BrowserDomAdapter} from 'angular2/src/dom/browser_adapter';
import {
serializeMouseEvent,
serializeKeyboardEvent,
serializeGenericEvent,
serializeEventWithTarget
} from 'angular2/src/web-workers/ui/event_serializer';
import {wtfInit} from 'angular2/src/profile/wtf_init';
/**
* Creates a zone, sets up the DI bindings
* And then creates a new WebWorkerMain object to handle messages from the worker
*/
export function bootstrapUICommon(bus: MessageBus) {
BrowserDomAdapter.makeCurrent();
var zone = createNgZone();
wtfInit();
zone.run(() => {
var injector = createInjector(zone);
var webWorkerMain = injector.get(WebWorkerMain);
webWorkerMain.attachToWorker(bus);
});
}
@Injectable()
export class WebWorkerMain {
private _rootUrl: string;
private _bus: MessageBus;
constructor(private _renderCompiler: RenderCompiler, private _renderer: Renderer,
private _renderViewWithFragmentsStore: RenderViewWithFragmentsStore,
private _serializer: Serializer, rootUrl: AnchorBasedAppRootUrl) {
this._rootUrl = rootUrl.value;
}
/**
* Attach's this WebWorkerMain instance to the given MessageBus
* This instance will now listen for all messages from the worker and handle them appropriately
* Note: Don't attach more than one WebWorkerMain instance to the same MessageBus.
*/
attachToWorker(bus: MessageBus) {
this._bus = bus;
this._bus.source.addListener((message) => { this._handleWorkerMessage(message); });
}
private _sendInitMessage() { this._sendWorkerMessage("init", {"rootUrl": this._rootUrl}); }
/*
* Sends an error back to the worker thread in response to an opeartion on the UI thread
*/
private _sendWorkerError(id: string, error: any) {
this._sendWorkerMessage("error", {"error": error}, id);
}
private _sendWorkerMessage(type: string, value: StringMap<string, any>, id?: string) {
this._bus.sink.send({'type': type, 'id': id, 'value': value});
}
// TODO: Transfer the types with the serialized data so this can be automated?
private _handleCompilerMessage(data: ReceivedMessage) {
var promise: Promise<any>;
switch (data.method) {
case "compileHost":
var directiveMetadata = this._serializer.deserialize(data.args[0], DirectiveMetadata);
promise = this._renderCompiler.compileHost(directiveMetadata);
this._wrapWorkerPromise(data.id, promise, ProtoViewDto);
break;
case "compile":
var view = this._serializer.deserialize(data.args[0], ViewDefinition);
promise = this._renderCompiler.compile(view);
this._wrapWorkerPromise(data.id, promise, ProtoViewDto);
break;
case "mergeProtoViewsRecursively":
var views = this._serializer.deserialize(data.args[0], RenderProtoViewRef);
promise = this._renderCompiler.mergeProtoViewsRecursively(views);
this._wrapWorkerPromise(data.id, promise, RenderProtoViewMergeMapping);
break;
default:
throw new BaseException("not implemented");
}
}
private _createViewHelper(args: List<any>, method) {
var hostProtoView = this._serializer.deserialize(args[0], RenderProtoViewRef);
var fragmentCount = args[1];
var startIndex, renderViewWithFragments;
if (method == "createView") {
startIndex = args[2];
renderViewWithFragments = this._renderer.createView(hostProtoView, fragmentCount);
} else {
var selector = args[2];
startIndex = args[3];
renderViewWithFragments =
this._renderer.createRootHostView(hostProtoView, fragmentCount, selector);
}
this._renderViewWithFragmentsStore.store(renderViewWithFragments, startIndex);
}
private _handleRendererMessage(data: ReceivedMessage) {
var args = data.args;
switch (data.method) {
case "createRootHostView":
case "createView":
this._createViewHelper(args, data.method);
break;
case "destroyView":
var viewRef = this._serializer.deserialize(args[0], RenderViewRef);
this._renderer.destroyView(viewRef);
break;
case "attachFragmentAfterFragment":
var previousFragment = this._serializer.deserialize(args[0], RenderFragmentRef);
var fragment = this._serializer.deserialize(args[1], RenderFragmentRef);
this._renderer.attachFragmentAfterFragment(previousFragment, fragment);
break;
case "attachFragmentAfterElement":
var element = this._serializer.deserialize(args[0], WorkerElementRef);
var fragment = this._serializer.deserialize(args[1], RenderFragmentRef);
this._renderer.attachFragmentAfterElement(element, fragment);
break;
case "detachFragment":
var fragment = this._serializer.deserialize(args[0], RenderFragmentRef);
this._renderer.detachFragment(fragment);
break;
case "hydrateView":
var viewRef = this._serializer.deserialize(args[0], RenderViewRef);
this._renderer.hydrateView(viewRef);
break;
case "dehydrateView":
var viewRef = this._serializer.deserialize(args[0], RenderViewRef);
this._renderer.dehydrateView(viewRef);
break;
case "setText":
var viewRef = this._serializer.deserialize(args[0], RenderViewRef);
var textNodeIndex = args[1];
var text = args[2];
this._renderer.setText(viewRef, textNodeIndex, text);
break;
case "setElementProperty":
var elementRef = this._serializer.deserialize(args[0], WorkerElementRef);
var propName = args[1];
var propValue = args[2];
this._renderer.setElementProperty(elementRef, propName, propValue);
break;
case "setElementAttribute":
var elementRef = this._serializer.deserialize(args[0], WorkerElementRef);
var attributeName = args[1];
var attributeValue = args[2];
this._renderer.setElementAttribute(elementRef, attributeName, attributeValue);
break;
case "setElementClass":
var elementRef = this._serializer.deserialize(args[0], WorkerElementRef);
var className = args[1];
var isAdd = args[2];
this._renderer.setElementClass(elementRef, className, isAdd);
break;
case "setElementStyle":
var elementRef = this._serializer.deserialize(args[0], WorkerElementRef);
var styleName = args[1];
var styleValue = args[2];
this._renderer.setElementStyle(elementRef, styleName, styleValue);
break;
case "invokeElementMethod":
var elementRef = this._serializer.deserialize(args[0], WorkerElementRef);
var methodName = args[1];
var methodArgs = args[2];
this._renderer.invokeElementMethod(elementRef, methodName, methodArgs);
break;
case "setEventDispatcher":
var viewRef = this._serializer.deserialize(args[0], RenderViewRef);
var dispatcher = new EventDispatcher(viewRef, this._bus.sink, this._serializer);
this._renderer.setEventDispatcher(viewRef, dispatcher);
break;
default:
throw new BaseException("Not Implemented");
}
}
// TODO(jteplitz602): Create message type enum #3044
private _handleWorkerMessage(message: StringMap<string, any>) {
var data: ReceivedMessage = new ReceivedMessage(message['data']);
switch (data.type) {
case "ready":
return this._sendInitMessage();
case "compiler":
return this._handleCompilerMessage(data);
case "renderer":
return this._handleRendererMessage(data);
}
}
private _wrapWorkerPromise(id: string, promise: Promise<any>, type: Type): void {
PromiseWrapper.then(promise, (result: any) => {
try {
this._sendWorkerMessage("result", this._serializer.serialize(result, type), id);
} catch (e) {
print(e);
}
}, (error: any) => { this._sendWorkerError(id, error); });
}
}
class EventDispatcher implements RenderEventDispatcher {
constructor(private _viewRef: RenderViewRef, private _sink: MessageBusSink,
private _serializer: Serializer) {}
dispatchRenderEvent(elementIndex: number, eventName: string, locals: Map<string, any>) {
var e = locals.get('$event');
var serializedEvent;
// TODO (jteplitz602): support custom events #3350
switch (e.type) {
case "click":
case "mouseup":
case "mousedown":
case "dblclick":
case "contextmenu":
case "mouseenter":
case "mouseleave":
case "mousemove":
case "mouseout":
case "mouseover":
case "show":
serializedEvent = serializeMouseEvent(e);
break;
case "keydown":
case "keypress":
case "keyup":
serializedEvent = serializeKeyboardEvent(e);
break;
case "input":
case "change":
case "blur":
serializedEvent = serializeEventWithTarget(e);
break;
case "abort":
case "afterprint":
case "beforeprint":
case "cached":
case "canplay":
case "canplaythrough":
case "chargingchange":
case "chargingtimechange":
case "close":
case "dischargingtimechange":
case "DOMContentLoaded":
case "downloading":
case "durationchange":
case "emptied":
case "ended":
case "error":
case "fullscreenchange":
case "fullscreenerror":
case "invalid":
case "languagechange":
case "levelfchange":
case "loadeddata":
case "loadedmetadata":
case "obsolete":
case "offline":
case "online":
case "open":
case "orientatoinchange":
case "pause":
case "pointerlockchange":
case "pointerlockerror":
case "play":
case "playing":
case "ratechange":
case "readystatechange":
case "reset":
case "seeked":
case "seeking":
case "stalled":
case "submit":
case "success":
case "suspend":
case "timeupdate":
case "updateready":
case "visibilitychange":
case "volumechange":
case "waiting":
serializedEvent = serializeGenericEvent(e);
break;
default:
throw new BaseException(eventName + " not supported on WebWorkers");
}
var serializedLocals = StringMapWrapper.create();
StringMapWrapper.set(serializedLocals, '$event', serializedEvent);
this._sink.send({
"type": "event",
"value": {
"viewRef": this._serializer.serialize(this._viewRef, RenderViewRef),
"elementIndex": elementIndex,
"eventName": eventName,
"locals": serializedLocals
}
});
}
}
class ReceivedMessage {
method: string;
args: List<any>;
id: string;
type: string;
constructor(data: StringMap<string, any>) {
this.method = data['method'];
this.args = data['args'];
this.id = data['id'];
this.type = data['type'];
}
}