1/* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16enum NodeRenderType { 17 RENDER_TYPE_DISPLAY = 0, 18 RENDER_TYPE_TEXTURE, 19} 20 21declare interface RenderOptions { 22 selfIdealSize?: Size, 23 type?: NodeRenderType, 24 surfaceId?: string 25} 26 27declare class DrawContext { } 28declare type NodePtr = Object | null; 29declare class __JSBaseNode__ { 30 constructor(options?: RenderOptions); 31 create(builder: (...args: Object[]) => void, params: Object, update: (instanceId: number, nodePtr: NodePtr) => void, updateConfiguration, supportLazyBuild: boolean): NodePtr; 32 finishUpdateFunc(): void; 33 postTouchEvent(touchEvent: TouchEvent): boolean; 34 disposeNode(): void; 35 updateStart(): void; 36 updateEnd(): void; 37} 38 39class BaseNode extends __JSBaseNode__ { 40 protected instanceId_?: number; 41 protected nodePtr_: NodePtr; 42 constructor(uiContext: UIContext, options?: RenderOptions) { 43 super(options); 44 45 if (uiContext === undefined) { 46 throw Error('Node constructor error, param uiContext error'); 47 } else { 48 if (!(typeof uiContext === 'object') || !('instanceId_' in uiContext)) { 49 throw Error( 50 'Node constructor error, param uiContext is invalid' 51 ); 52 } 53 } 54 this.instanceId_ = uiContext.instanceId_; 55 } 56 public getInstanceId() { 57 return this.instanceId_; 58 } 59 updateInstance(uiContext: UIContext): void { 60 this.instanceId_ = uiContext.instanceId_; 61 } 62} 63