snapshot of https://github.com/dream-num/univer.git (dev, 2026-09-16; blobs > 131072B omitted)

packages/watermark/src/services/watermark.service.ts

@@ -0,0 +1,58 @@
+/**
+ * Copyright 2023-present DreamNum Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import type { Nullable } from '@univerjs/core';
+import type { IWatermarkConfigWithType } from '@univerjs/engine-render';
+import { Disposable, ILocalStorageService, Inject } from '@univerjs/core';
+import { UNIVER_WATERMARK_STORAGE_KEY } from '@univerjs/engine-render';
+import { Subject } from 'rxjs';
+
+export class WatermarkService extends Disposable {
+    private readonly _updateConfig$ = new Subject<Nullable<IWatermarkConfigWithType>>();
+    public readonly updateConfig$ = this._updateConfig$.asObservable();
+    private readonly _refresh$ = new Subject<number>();
+    public readonly refresh$ = this._refresh$.asObservable();
+
+    constructor(
+        @Inject(ILocalStorageService) private _localStorageService: ILocalStorageService
+    ) {
+        super();
+    }
+
+    public async getWatermarkConfig() {
+        const res = await this._localStorageService.getItem<IWatermarkConfigWithType>(UNIVER_WATERMARK_STORAGE_KEY);
+        return res;
+    }
+
+    public updateWatermarkConfig(config: IWatermarkConfigWithType) {
+        this._localStorageService.setItem(UNIVER_WATERMARK_STORAGE_KEY, config);
+        this._updateConfig$.next(config);
+    }
+
+    public deleteWatermarkConfig() {
+        this._localStorageService.removeItem(UNIVER_WATERMARK_STORAGE_KEY);
+        this._updateConfig$.next(null);
+    }
+
+    public refresh() {
+        this._refresh$.next(Math.random());
+    }
+
+    override dispose(): void {
+        this._refresh$.complete();
+        this._updateConfig$.complete();
+    }
+}