Doric/doric-web/src/DoricContext.ts

import { jsObtainContext, jsCallEntityMethod, pureCallEntityMethod } from 'doric/src/runtime/sandbox'
import { Panel } from 'doric'
import { DoricPlugin } from "./DoricPlugin"
import { createContext, destroyContext } from "./DoricDriver"
import { DoricStackNode } from './shader/DoricStackNode'
import { DoricViewNode } from './shader/DoricViewNode'
const doricContexts: Map<string, DoricContext> = new Map

let __contextId__ = 0
function getContextId() {
    return `context_${__contextId__++}`
}

export function getDoricContext(contextId: string) {
    return doricContexts.get(contextId)
}

export class DoricContext {
    contextId = getContextId()
    pluginInstances: Map<string, DoricPlugin> = new Map
    rootNode: DoricStackNode
    headNodes: Map<string, Map<string, DoricViewNode>> = new Map
    animationSet?: {
        viewNode: DoricViewNode,
        keyFrame: Partial<CSSStyleDeclaration>,
    }[]

    constructor(content: string) {
        createContext(this.contextId, content)
        doricContexts.set(this.contextId, this)
        this.rootNode = new DoricStackNode(this)
    }

    targetViewNode(viewId: string) {
        if (this.rootNode.viewId === viewId) {
            return this.rootNode
        }
        for (let nodes of this.headNodes.values()) {
            if (nodes.has(viewId)) {
                return nodes.get(viewId)
            }
        }
    }

    get panel() {
        return jsObtainContext(this.contextId)?.entity as Panel
    }

    invokeEntityMethod(method: string, ...otherArgs: any) {
        const argumentsList: any = [this.contextId]
        for (let i = 0; i < arguments.length; i++) {
            argumentsList.push(arguments[i])
        }
        return Reflect.apply(jsCallEntityMethod, this.panel, argumentsList)
    }

    pureInvokeEntityMethod(method: string, ...otherArgs: any) {
        const argumentsList: any = [this.contextId]
        for (let i = 0; i < arguments.length; i++) {
            argumentsList.push(arguments[i])
        }
        return Reflect.apply(pureCallEntityMethod, this.panel, argumentsList)
    }

    init(data?: string) {
        this.invokeEntityMethod("__init__", data)
    }

    onCreate() {
        this.invokeEntityMethod("__onCreate__")
    }

    onDestroy() {
        this.invokeEntityMethod("__onDestroy__")
    }

    onShow() {
        this.invokeEntityMethod("__onShow__")
    }

    onHidden() {
        this.invokeEntityMethod("__onHidden__")
    }

    build(frame: {
        width: number,
        height: number,
    }) {
        this.invokeEntityMethod("__build__", frame)
    }

    inAnimation() {
        return !!this.animationSet
    }

    addAnimation(viewNode: DoricViewNode, keyFrame: Partial<CSSStyleDeclaration>) {
        this.animationSet?.push({
            viewNode,
            keyFrame,
        })
    }

    teardown() {
        for (let plugin of this.pluginInstances.values()) {
            plugin.onTearDown()
        }
        destroyContext(this.contextId)
    }
}