ref |> 早晚报桌面组件图片显示相关逻辑

@@ -68,3 +68,7 @@ export { FastClickUtil } from './src/main/ets/utils/FastClickUtil';
 
 // export { PublicPopupDialogView } from "./src/main/ets/pubComps/dialog/PublicPopupDialogView"
 export { PublicDialogManager, CloseAction } from "./src/main/ets/pubComps/dialog/PublicDialogManager"
+
+export { CrptoUtils } from "./src/main/ets/utils/CrptoUtils"
+
+export { FileUtils } from "./src/main/ets/utils/FileUtils"
\ No newline at end of file

+import cryptoFramework from '@ohos.security.cryptoFramework';
+import buffer from '@ohos.buffer';
+
+export class CrptoUtils {
+
+  static md5(message: string) : Promise<string> {
+    return CrptoUtils.mdFunc(message, 'MD5')
+  }
+
+  static mdFunc(message: string, algoName: string = 'MD5'): Promise<string> {
+    return new Promise<string>(async (reslove, fail) => {
+
+      try {
+        let md = cryptoFramework.createMd(algoName);
+        // 数据量较少时，可以只做一次update，将数据全部传入，接口未对入参长度做限制
+        await md.update({ data: new Uint8Array(buffer.from(message, 'utf-8').buffer) });
+        let mdResult = await md.digest();
+        // console.info('Md result:' + mdResult.data);
+
+        // const string = mdResult.data.map((charCode, index, array) => {
+        //   return String.fromCharCode(charCode)
+        // }).join("")
+
+        let string = "";
+        for (let i = 0; i < mdResult.data.length; i++) {
+          string += mdResult.data[i].toString(16).padStart(2, "0")
+        }
+
+        // const string = mdResult.data.join('')
+
+        reslove(string)
+      } catch (e) {
+        fail(e)
+      }
+    })
+  }
+}
+
+
+
+

+
+import fs from '@ohos.file.fs';
+import { BusinessError } from '@kit.BasicServicesKit';
+
+export class FileUtils {
+
+  // 文件是否存在，忽略错误
+  static fileExsit(path: string) : Promise<boolean> {
+    return new Promise((reslove, fail) => {
+      fs.stat(path).then(() => {
+        reslove(true)
+      }).catch((error: BusinessError) => {
+        if (error.code = 13900002) {
+          reslove(false)
+        } else {
+          reslove(true)
+        }
+      })
+    });
+  }
+
+  static makeDirIfNotExsit(path: string) : Promise<void> {
+    return new Promise((reslove, fail) => {
+      fs.stat(path).then(() => {
+        reslove()
+      }).catch((error: BusinessError) => {
+        if (error.code = 13900002) {
+          fs.mkdirSync(path)
+        }
+        reslove()
+      })
+    })
+  }
+}
\ No newline at end of file

 import { formBindingData, FormExtensionAbility, formInfo, formProvider } from '@kit.FormKit';
 import { Want } from '@kit.AbilityKit';
-import { Logger, NetworkManager, SPHelper, StringUtils } from 'wdKit/Index';
+import { FileUtils, Logger, NetworkManager, SPHelper, StringUtils } from 'wdKit/Index';
 import { BusinessError } from '@kit.BasicServicesKit';
-import { FormDataType, NewspaperDataFetcher } from './NewspaperDataFetcher';
+import { NewspaperDataFetcher } from './NewspaperDataFetcher';
 import { JSON } from '@kit.ArkTS';
-import { FormNewspaperPaperType } from '../dailynewspaperwidget/common/NewspaperWidgetData';
+import { FormNewspaperData, FormNewspaperPaperType } from '../dailynewspaperwidget/common/NewspaperWidgetData';
 import { HostEnum, HostManager, WDHttp } from 'wdNetwork/Index';
+import fs from '@ohos.file.fs';
 
 const TAG = "DailyNewspaperFormAbility"
 
 export default class DailyNewspaperFormAbility extends FormExtensionAbility {
+  lastDatas: Record<string, FormNewspaperData> = {}
+
   onAddForm(want: Want) {
     Logger.debug(TAG, "onAddForm with " + JSON.stringify(want))
 
@@ -20,18 +23,11 @@ export default class DailyNewspaperFormAbility extends FormExtensionAbility {
       let isTempCard = want.parameters[formInfo.FormParam.TEMPORARY_KEY] as boolean
       if (isTempCard === false) { // 如果为常态卡片，直接进行信息持久化
 
-        Logger.debug(TAG, "开始刷新数据");
-        NewspaperDataFetcher.refreshDailyPaper().then((data) => {
-
-          let formData = formBindingData.createFormBindingData(data);
-          formProvider.updateForm(formId, formData).catch((err: BusinessError) => {
-            Logger.debug(TAG, ` xFailed to updateForm. Code: ${err.code}, message: ${err.message}`);
-          });
-        })
+        this.fetchAndRefreshData(formId)
       }
     }
 
-    let obj: FormDataType = {}
+    let obj: FormNewspaperData = {} as FormNewspaperData
     obj.paperType = FormNewspaperPaperType.unknown
     let formData = formBindingData.createFormBindingData(obj);
     return formData;
@@ -45,13 +41,9 @@ export default class DailyNewspaperFormAbility extends FormExtensionAbility {
   onUpdateForm(formId: string) {
     // 若卡片支持定时更新/定点更新/卡片使用方主动请求更新功能，则提供方需要重写该方法以支持数据更新
     Logger.debug(TAG, 'onUpdateForm ' + formId);
-    NewspaperDataFetcher.refreshDailyPaper().then((data) => {
 
-      let formData = formBindingData.createFormBindingData(data);
-      formProvider.updateForm(formId, formData).catch((err: BusinessError) => {
-        Logger.debug(TAG, ` xFailed to updateForm. Code: ${err.code}, message: ${err.message}`);
-      });
-    })
+    this.initApp()
+    this.fetchAndRefreshData(formId)
   }
 
   onFormEvent(formId: string, message: string) {
@@ -61,7 +53,9 @@ export default class DailyNewspaperFormAbility extends FormExtensionAbility {
 
   onRemoveForm(formId: string) {
     // 当对应的卡片删除时触发的回调，入参是被删除的卡片ID
-    Logger.debug(TAG, 'onRemoveForm');
+    Logger.debug(TAG, 'onRemoveForm / formId: ' + formId);
+    let data = this.lastDatas[formId]
+    NewspaperDataFetcher.closeFilesWith(data)
   }
 
   // onConfigurationUpdate(config: Configuration) {
@@ -75,6 +69,32 @@ export default class DailyNewspaperFormAbility extends FormExtensionAbility {
     return formInfo.FormState.READY;
   }
 
+  fetchAndRefreshData(formId: string) {
+    Logger.debug(TAG, "开始刷新数据");
+    NewspaperDataFetcher.refreshDailyPaper().then(async (data) => {
+
+      let formData = formBindingData.createFormBindingData(data);
+      formProvider.updateForm(formId, formData).then(() => {
+        this.lastDatas[formId] = data
+      }).catch((err: BusinessError) => {
+        Logger.debug(TAG, ` xFailed to updateForm. Code: ${err.code}, message: ${err.message}`);
+      });
+
+      let fileDir = this.context.getApplicationContext().filesDir + "/widget-daily-newspaper"
+      await FileUtils.makeDirIfNotExsit(fileDir)
+
+      NewspaperDataFetcher.dealWithPictures(data, formId, fileDir, (data) => {
+        Logger.debug(TAG, `refresh ui with new pictuers`);
+        let formData = formBindingData.createFormBindingData(data);
+        formProvider.updateForm(formId, formData).then(() => {
+          this.lastDatas[formId] = data
+        }).catch((err: BusinessError) => {
+          Logger.error(TAG, ` xFailed to updateForm. Code: ${err.code}, message: ${err.message}`);
+        });
+      })
+    })
+  }
+
   initApp() {
     // KV存储
     SPHelper.init(this.context);

 import { CompInfoBean, ContentDTO, PageInfoBean } from 'wdBean/Index';
 import { MorningEveningViewModel } from 'wdComponent/Index';
-import { Logger } from 'wdKit/Index';
+import { CrptoUtils, FileUtils, Logger } from 'wdKit/Index';
 import { HttpUrlUtils, ResponseDTO, WDHttp } from 'wdNetwork/Index';
 import { DeepLinkUtil } from 'wdShare/Index'
-import { FormNewspaperPaperType, FormNewspaperPaperInfo, FormNewspaperPaperContent } from "../dailynewspaperwidget/common/NewspaperWidgetData"
+import { FormNewspaperPaperType, FormNewspaperPaperInfo, FormNewspaperPaperContent,
+  FormNewspaperData } from "../dailynewspaperwidget/common/NewspaperWidgetData"
+import { http } from '@kit.NetworkKit';
+import fs from '@ohos.file.fs';
+import { BusinessError } from '@kit.BasicServicesKit';
+import { JSON } from '@kit.ArkTS';
 
 const TAG = "NewspaperDataFetcher"
 
-export type FormDataType = Record<string, FormNewspaperPaperType | FormNewspaperPaperInfo | FormNewspaperPaperContent[]>
+// export type FormDataType = Record<string, FormNewspaperPaperType | FormNewspaperPaperInfo | FormNewspaperPaperContent[]>
 
 export class NewspaperDataFetcher {
 
-  public static async refreshDailyPaper(): Promise<FormDataType> {
-    return new Promise<FormDataType>(async (reslove, fail) => {
+  public static async refreshDailyPaper(): Promise<FormNewspaperData> {
+    return new Promise<FormNewspaperData>(async (reslove, fail) => {
 
-      let data: FormDataType = { 'paperType': FormNewspaperPaperType.unknown }
+      let data: FormNewspaperData = new FormNewspaperData()
       data.paperInfo = {  showLeftImage: false }
 
       try {
         let page: PageInfoBean = await MorningEveningViewModel.getDailyPaperTopic()
-        data.paperType = page.topicInfo?.frontFlag || FormNewspaperPaperType.unknown
+        data.paperType = page.topicInfo?.topicPattern || FormNewspaperPaperType.unknown
 
         let currentTime = new Date().getTime()
         let compInfo = await MorningEveningViewModel.getMorningEveningCompInfo(
@@ -29,7 +34,7 @@ export class NewspaperDataFetcher {
           page.topicInfo?.topicId
         )
 
-        if (page.topicInfo.frontLinkObject) {
+        if (page.topicInfo?.frontFlag && page.topicInfo.frontLinkObject) {
           data.paperInfo.showLeftImage = true
           data.paperInfo.leftImageUrl = page.topicInfo.frontLinkObject.coverUrl
           data.paperInfo.leftTitle = page.topicInfo.frontLinkObject.title
@@ -60,7 +65,7 @@ export class NewspaperDataFetcher {
     })
   }
 
-  static fakeData(): FormDataType {
+  static fakeData(): FormNewspaperData {
     let data : FormNewspaperPaperContent = {
       title: "标题标题标题标题标题标题标题标题",
       coverUrl: "https://"
@@ -72,6 +77,135 @@ export class NewspaperDataFetcher {
         leftTitle: "leftTitleleftTitleleftTitleleftTitleleftTitleleftTitle"
       },
       "paperContents": [data, data, data]
+    } as FormNewspaperData
+  }
+
+  static dealWithPictures(data: FormNewspaperData, formId: string ,tempDir: string, refreshCallback:(data: FormNewspaperData) => void) {
+
+    let donwloadCount = data.paperContents.filter((value) => {
+      return value.coverUrl && value.coverUrl.length > 0
+    }).length
+
+    let fileFDs: Record<string, string | number> = {};
+    if (data.paperInfo.leftImageUrl) {
+      donwloadCount += 1
+
+      CrptoUtils.md5(data.paperInfo.leftImageUrl).then((md5String) => {
+
+        const fileName = formId + "file" + md5String;
+        const filePath = tempDir + "/" + fileName
+        NewspaperDataFetcher.downloadUrlToPath(data.paperInfo.leftImageUrl!, filePath).then(() => {
+          let file = fs.openSync(filePath)
+          fileFDs[fileName] = file.fd
+          data.paperInfo.localLeftImageFileName = fileName
+          data.formImages = fileFDs
+
+          if (--donwloadCount == 0) { refreshCallback(data) }
+        }).catch((e : BusinessError) => {
+          Logger.debug(TAG, "download file failed.");
+          if (--donwloadCount == 0) { refreshCallback(data) }
+        })
+      }).catch((e: BusinessError) => {
+        if (--donwloadCount == 0) { refreshCallback(data) }
+      })
+    }
+
+
+    for (let index = 0; index < data.paperContents.length; index++) {
+      const content = data.paperContents[index];
+      if (!content.coverUrl || content.coverUrl.length == 0) {
+        continue
+      }
+
+      CrptoUtils.md5(content.coverUrl).then((md5String) => {
+        const fileName = formId + "file" + md5String;
+        const filePath = tempDir + "/" + fileName
+        NewspaperDataFetcher.downloadUrlToPath(content.coverUrl!, filePath).then(() => {
+          Logger.debug(TAG, "open file for display ");
+          let file = fs.openSync(filePath)
+          fileFDs[fileName] = file.fd
+          data.paperContents[index].localCoverFileName = fileName
+          data.formImages = fileFDs
+
+          if (--donwloadCount == 0) { refreshCallback(data) }
+        }).catch((e : BusinessError) => {
+          Logger.debug(TAG, "download file failed." + JSON.stringify(e));
+          if (--donwloadCount == 0) { refreshCallback(data) }
+        })
+      }).catch((e: BusinessError) => {
+        if (--donwloadCount == 0) { refreshCallback(data) }
+      })
+    }
+  }
+
+  static closeFilesWith(data?: FormNewspaperData) {
+    if (data && data.formImages) {
+      for (const obj of Object.entries(data.formImages)) {
+        const fileName = obj[0]
+        let fd: number = obj[1] as number
+        fs.close(fd)
+      }
     }
   }
+
+  static downloadUrlToPath(url: string, toFilePath: string): Promise<void> {
+    Logger.debug(TAG, "will donwload url:" + url + " ======> " + toFilePath);
+
+    return new Promise((reslove, fail) => {
+
+      FileUtils.fileExsit(toFilePath).then((exsit: boolean) => {
+        if (exsit) {
+          Logger.debug(TAG, "file is exsit. " + toFilePath);
+          reslove()
+          return
+        }
+
+        NewspaperDataFetcher.downloadUrlToPathWithout(url, toFilePath).then(() => {
+          reslove()
+        }).catch((e: BusinessError) => {
+          fail(e)
+        })
+      }).catch((e: BusinessError) => {
+        NewspaperDataFetcher.downloadUrlToPathWithout(url, toFilePath).then(() => {
+          reslove()
+        }).catch((e: BusinessError) => {
+          fail(e)
+        })
+      })
+    })
+  }
+
+  static downloadUrlToPathWithout(url: string, toFilePath: string): Promise<void> {
+    Logger.debug(TAG, "will donwload url:" + url + " ======> " + toFilePath);
+
+    return new Promise((reslove, fail) => {
+
+      let httpRequest = http.createHttp()
+      httpRequest.request(url, (err, data) => {
+
+        if (!err && data.responseCode == http.ResponseCode.OK) {
+          let imgFile = fs.openSync(toFilePath, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
+          let wroteLength = 0
+          fs.write(imgFile.fd, data.result as ArrayBuffer).then((writeLen: number) => {
+            Logger.debug(TAG, "write data to file succeed and size is:" + writeLen);
+            wroteLength = writeLen
+          }).catch((err: BusinessError) => {
+            Logger.error(TAG, "write data to file failed with error message: " + err.message + ", error code: " + err.code);
+          }).finally(() => {
+            fs.closeSync(imgFile);
+            httpRequest.destroy()
+
+            wroteLength > 0 ? reslove() : fail("failed")
+          });
+          return
+        }
+
+        httpRequest.destroy()
+        fail("failed")
+      });
+
+    })
+  }
+
+
 }
\ No newline at end of file

@@ -11,6 +11,8 @@ export class FormNewspaperPaperInfo {
   showLeftImage: boolean = false
 
   leftImageUrl?: string
+  localLeftImageFileName?: ResourceStr  // 传递图片用
+  localLeftImageFileFD? : number        // 传递图片用
   leftTitle?: string
   leftDeepLink?: string
 
@@ -20,5 +22,15 @@ export class FormNewspaperPaperInfo {
 export class FormNewspaperPaperContent {
   title: string = ""
   coverUrl?: string
+  localCoverFileName?: ResourceStr    // 传递图片用
+  localCoverFileFD? : number          // 传递图片用
   deepLink: string = ""
 }
+
+export class FormNewspaperData {
+  paperType: FormNewspaperPaperType = FormNewspaperPaperType.unknown
+  paperInfo: FormNewspaperPaperInfo = {} as FormNewspaperPaperInfo
+  paperContents: FormNewspaperPaperContent[] = []
+
+  formImages: Record<string, string | number> = {}
+}
\ No newline at end of file

@@ -43,8 +43,8 @@ struct DailyNewspaperWidgetCard {
 
   @Builder leftImageView() {
     Stack({ alignContent: Alignment.Bottom }) {
-      Image(this.paperInfo.leftImageUrl)
-      // Image($r("app.media.desktop_card_comp_place_holder_16_9"))
+      Image("memory://" + this.paperInfo.localLeftImageFileName)
+      // Image(this.paperInfo.leftImageUrl)
         .alt($r("app.media.desktop_card_comp_place_holder_16_9"))
         .objectFit(ImageFit.Cover)
         .aspectRatio(87/116)
@@ -109,8 +109,8 @@ struct ContentCellView {
           bottom: this.hasImage ? 0 : 6})
 
       if (this.hasImage) {
-        Image(this.content.coverUrl)
-        // Image($r("app.media.desktop_card_comp_place_holder_3_4"))
+        Image("memory://" + this.content.localCoverFileName)
+        // Image(this.content.coverUrl)
           .alt($r("app.media.desktop_card_comp_place_holder_3_4"))
           .objectFit(ImageFit.Cover)
           .height(40)

@@ -14,8 +14,8 @@
       "isDynamic": true,
       "isDefault": true,
       "updateEnabled": true,
-      "scheduledUpdateTime": "10:30",
-      "updateDuration": 1,
+      "scheduledUpdateTime": "18:26",
+      "updateDuration": 4,
       "defaultDimension": "2*4",
       "supportDimensions": [
         "2*4"