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update common/src/main/ets/default/model/browser/dataObserver/MediaObserver.ts.

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Signed-off-by: liujuan <liujuan76@h-partners.com>
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liujuan 2024-02-26 08:48:45 +00:00 committed by Gitee
parent 7c04be4583
commit 423b15551c
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1 changed files with 16 additions and 0 deletions
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16
common/src/main/ets/default/model/browser/dataObserver/MediaObserver.ts
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@ -22,6 +22,7 @@ const TAG: string = 'common_MediaObserver';
export class MediaObserver {
callbacks: Set<MediaObserverCallback> = new Set<MediaObserverCallback>();
private freezeFlag: boolean = false;
static getInstance(): MediaObserver {
if (AppStorage.get(Constants.APP_KEY_MENU_USER_FILE_MANAGER_OBSERVER) == null) {
@ -58,8 +59,23 @@ export class MediaObserver {
}
}
freezeNotify(): void {
this.freezeFlag = true;
}
unfreezeNotify(): void {
this.freezeFlag = false;
}
forceNotify(): void {
this.sendNotify('image');
}
sendNotify(mediaType: string) {
Log.info(TAG, `sendNotify size: ${this.callbacks.size}`);
if (this.freezeFlag) {
return;
}
for (let callback of this.callbacks) {
callback.onChange(mediaType);
}