xref: /applications/standard/camera/common/src/main/ets/default/function/CaptureFunction.ts

/*
 * Copyright (c) 2023 Huawei Device 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 { Action, UiStateMode } from '../redux/actions/Action';
import { GlobalContext } from '../utils/GlobalContext';
import { Log } from '../utils/Log';
import { BaseFunction } from './BaseFunction';

const TAG: string = '[CaptureFunction]:';

export class CaptureFunction extends BaseFunction {
  load(): void {
    Log.info(`${TAG} load E`);
    this.mEventBus.on(Action.ACTION_CAPTURE, this.capture.bind(this));
    this.mEventBus.on(Action.ACTION_CAPTURE_PHOTO_OUTPUT, this.onCapturePhotoOutput.bind(this));
    Log.info(`${TAG} load X`);
  }

  unload(): void {
    Log.info(`${TAG} unload E`);
    this.mEventBus.off(Action.ACTION_CAPTURE, this.capture.bind(this));
    this.mEventBus.off(Action.ACTION_CAPTURE_PHOTO_OUTPUT, this.onCapturePhotoOutput.bind(this));
    Log.info(`${TAG} unload X`);
  }

  private async capture(): Promise<void> {
    Log.info(`${TAG} capture E`);
    GlobalContext.get().setObject('startCaptureTime', new Date().getTime())
    this.disableUiWithMode(UiStateMode.EXCLUDE_PREVIEW);
    await this.mCameraService.takePicture();
    Log.info(`${TAG} capture X`);
  }

  private onCapturePhotoOutput(): void {
    Log.info(`${TAG} onCapturePhotoOutput E`);
    this.enableUiWithMode(UiStateMode.EXCLUDE_PREVIEW);
    Log.info(`${TAG} onCapturePhotoOutput X`);
  }
}