picker支持预选择

Signed-off-by: f00610455 <fanjingyu2@huawei.com>

common/src/main/ets/default/model/browser/SelectManager.ts

@@ -385,6 +385,49 @@ export class ThirdSelectManager extends SelectManager {
     return super.clickedSet;
   }
 
+  /**
+   * 初始化图库图片预选择
+   *
+   * @param targetIdList 预选择图库资源Id
+   */
+  public initPreSelectPhotos(targetIdList: string[]): void {
+    this.deSelectAll();
+    if (this.getMediaItemFunc) {
+      targetIdList.forEach((targetId: string): void => {
+        let containUri = this.selectedMap.has(targetId);
+        if (!containUri) {
+          this.getMediaItemFunc(targetId, (item) => {
+            this.toggleWithItem(targetId, true, item);
+          });
+        }
+      });
+    }
+  }
+
+  /**
+   * 针对指定mediaItem预加载缓存
+   *
+   * @param targetId 图库资源Id
+   * @param isSelected 图库资源是否被选中
+   * @param mediaItem mediaItem
+   * @returns 是否成功
+   */
+  public toggleWithItem(targetId: string, isSelected: boolean, mediaItem: MediaItem): boolean {
+    if (mediaItem) {
+      let containUri = this.selectedMap.has(targetId);
+      if (isSelected && !containUri) {
+        this.selectedMap.set(targetId, mediaItem);
+        this.indexMap.set(mediaItem, undefined);
+      }
+      if (!isSelected && containUri) {
+        this.selectedMap.delete(targetId);
+        this.indexMap.delete(mediaItem);
+      }
+      return super.toggle(targetId, isSelected, undefined);
+    }
+    return false;
+  }
+
   public toggle(targetId: string, isSelected: boolean, targetIndex?: number): boolean {
     if (this.getMediaItemFunc) {
       let containsUri = this.selectedMap.has(targetId);

feature/thirdselect/src/main/ets/default/utils/ThirdSelectConstants.ts

@@ -42,6 +42,7 @@ export class SelectParams {
   cameraAble: boolean;
   /* whether picker can edit */
   editAble: boolean;
+  preselectedUris?: string[];
   uri: string;
   itemDisplayName: string;
   itemId: string;

feature/thirdselect/src/main/ets/default/view/ThirdSelectPhotoGridBase.ets

@@ -606,6 +606,20 @@ export struct ThirdSelectPhotoGridBase {
     }
     Log.info(TAG, `isEmpty: ${this.isEmpty}`)
     this.dataSource.onDataReloaded();
+    this.modifyPhotoSelectStatus();
+  }
+
+  /**
+   * 图库预选择
+   */
+  private modifyPhotoSelectStatus(): void {
+    if (this.selectParams?.preselectedUris?.length > 0) {
+      if (this.selectParams.preselectedUris.length > this.selectParams.maxSelectCount) {
+        this.selectParams.preselectedUris = this.selectParams.preselectedUris.slice(0, this.selectParams.maxSelectCount);
+      }
+      this.selectManager.initPreSelectPhotos(this.selectParams.preselectedUris);
+      this.selectParams.preselectedUris = [];
+    }
   }
 
   private initSelectManager() {

product/phone/src/main/ets/MainAbility/MainAbility.ts

@@ -51,6 +51,7 @@ let isShowMenuFromThirdView: boolean;
 export default class MainAbility extends Ability {
   private formCurrentUri: string = '';
   private formAlbumUri: string = '';
+  private preselectedUris: Array<string> = [];
   private isOnDestroy: boolean = false;
   private localStorage: LocalStorage = new LocalStorage();
 
@@ -119,6 +120,7 @@ export default class MainAbility extends Ability {
       mCallerBundleName = wantParam[Constants.KEY_WANT_PARAMETERS_CALLER_BUNDLE_NAME] as string;
       mMaxSelectCount = wantParam?.maxSelectCount as number;
       mFilterMediaType = wantParam?.filterMediaType as string;
+      this.preselectedUris = wantParam?.preselectedUris as Array<string>;
       AppStorage.SetOrCreate('entryFromHap', Constants.ENTRY_FROM_MULTIPLE_SELECT);
       SmartPickerUtils.initIfNeeded(this.context, want, this.localStorage);
     } else if (wantParamUri === Constants.WANT_PARAM_URI_FORM) {
@@ -254,7 +256,8 @@ export default class MainAbility extends Ability {
           isMultiPick: true,
           filterMediaType: mFilterMediaType,
           isFirstEnter: true,
-          maxSelectCount: mMaxSelectCount
+          maxSelectCount: mMaxSelectCount,
+          preselectedUris: this.preselectedUris,
         }
       };
       router.replaceUrl(options);