Pre Merge pull request !264 from zgf/3.x

CHANGELOG.md

@@ -1,6 +1,7 @@
 ## 3.0.0-rc.5
 - 图片加载事件增加请求开始的回调,以及修复有缓存时，没有回调的bug
 - 修复对已销毁组件不再下发请求的逻辑
+- Watch监听imageKnifeOption属性改为@State,对imageKnifeOption对象里面内容进行监听
 
 ## 3.0.0-rc.4
 - 支持hsp多包图片资源

build-profile.json5

@@ -7,8 +7,8 @@
       {
         "name": "default",
         "signingConfig": "default",
-        "compileSdkVersion": "4.1.0(11)",
-        "compatibleSdkVersion": "4.1.0(11)",
+        "compileSdkVersion": "5.0.0(12)",
+        "compatibleSdkVersion": "5.0.0(12)",
         "runtimeOS": "HarmonyOS",
       }
     ],

library/src/main/ets/ImageKnifeOption.ets

@@ -23,42 +23,46 @@ export interface HeaderOptions {
 }
 @Observed
 export class ImageKnifeOption {
+  @Track
   // 主图资源
   loadSrc: string | PixelMap | Resource = "";
   // 占位图
   placeholderSrc?: string | PixelMap | Resource;
   // 失败占位图
   errorholderSrc?: string | PixelMap | Resource;
-
+  @Track
   headerOption?: Array<HeaderOptions>;
-
+  @Track
   // 自定义缓存关键字
   signature?: string;
-
+  @Track
   // 主图填充效果
   objectFit?: ImageFit
-
+  @Track
   // 占位图填充效果
   placeholderObjectFit?: ImageFit
-
+  @Track
   // 错误图填充效果
   errorholderObjectFit?: ImageFit
-
+  @Track
   customGetImage?: (context: Context, src: string | PixelMap | Resource) => Promise<ArrayBuffer | undefined>
-
+  @Track
   border?: BorderOptions
   // 缓存策略
+  @Track
   writeCacheStrategy?: CacheStrategy
   // 仅使用缓存加载数据
+  @Track
   onlyRetrieveFromCache?: boolean = false;
-
+  @Track
   priority? : taskpool.Priority = taskpool.Priority.LOW
-
+  @Track
   context?: common.UIAbilityContext;
-
+  @Track
   progressListener?: (progress: number)=>void;
-
+  @Track
   transformation?: PixelMapTransformation
+  @Track
   onLoadListener?: OnLoadCallBack | undefined;
 
   constructor() {

library/src/main/ets/components/ImageKnifeComponent.ets

@@ -21,7 +21,7 @@ import { ImageKnifeRequestSource } from '../model/ImageKnifeData';
 
 @Component
 export struct ImageKnifeComponent {
-  @Watch('watchImageKnifeOption') @ObjectLink imageKnifeOption: ImageKnifeOption;
+  @Watch('watchImageKnifeOption') @State imageKnifeOption: ImageKnifeOption = new ImageKnifeOption();
   @State pixelMap: PixelMap | string | undefined = undefined
   @State adaptiveWidth: Length = '100%'
   @State adaptiveHeight: Length = '100%'
@@ -53,7 +53,15 @@ export struct ImageKnifeComponent {
       this.request = undefined
     }
   }
-
+  aboutToReuse(params: ESObject): void {
+    this.imageKnifeOption = params.imageKnifeOption
+    if (this.request !== undefined) {
+      this.request.requestState = ImageKnifeRequestState.DESTROY
+    }
+    this.request = undefined
+    this.componentVersion++
+    ImageKnife.getInstance().execute(this.getRequest(this.currentWidth, this.currentHeight))
+  }
   aboutToRecycle() {
     if (this.request !== undefined) {
       this.request.requestState = ImageKnifeRequestState.DESTROY
@@ -90,7 +98,6 @@ export struct ImageKnifeComponent {
       this.request.requestState = ImageKnifeRequestState.DESTROY
     }
     this.request = undefined
-    this.componentVersion++
     ImageKnife.getInstance().execute(this.getRequest(this.currentWidth, this.currentHeight))
   }