1/*
2 * Copyright (c) 2023-2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16import type { PrinterCapability } from '@ohos/common';
17import { MediaSizeUtil, Log, PrinterCapsOptions } from '@ohos/common';
18import CheckEmptyUtils from '@ohos/common';
19
20const TAG = 'LocalPrinterCapabilities';
21
22export default class LocalPrinterCapabilities {
23  /**
24   * 构造PrinterCapability对象
25   *
26   * @param printerCapability
27   */
28  static buildPrinterCapability(printerCapability: PrinterCapability, caps: PrinterCapability): void {
29    printerCapability.colorMode = caps.colorMode;
30    printerCapability.duplexMode = caps.duplexMode;
31    //set printPageSize
32    let sizeList: string[] = caps.pageSize.map((size) => {
33      return size.name;
34    });
35    const codes: number[] = MediaSizeUtil.getCodesBySizes(sizeList);
36    printerCapability.pageSize = MediaSizeUtil.getMediaSizeArrayByCodes(LocalPrinterCapabilities.removeDuplicates(codes));
37  }
38
39  /**
40   * 构造额外的参数, 传递给UI
41   */
42  static buildExtraCaps(caps: PrinterCapability, printerUri: string): string {
43    let optionObject: PrinterCapsOptions = LocalPrinterCapabilities.parseOption(caps.options);
44    if (optionObject === undefined) {
45      return '';
46    }
47    let options: object = {
48      supportedMediaTypes: LocalPrinterCapabilities.removeDuplicates(optionObject.supportedMediaTypes),
49      supportedQuality: optionObject.supportedQualities,
50      make: optionObject.make,
51      printerUri: printerUri
52    };
53    return JSON.stringify(options);
54  }
55
56  private static parseOption(options: string): PrinterCapsOptions {
57    if (CheckEmptyUtils.checkStrIsEmpty(options)) {
58      return undefined;
59    }
60    let result: PrinterCapsOptions = undefined;
61    try {
62      result = JSON.parse(options);
63    } catch (error) {
64      Log.error(TAG, 'json parse error: ' + error);
65    }
66    return result;
67  }
68
69  /**
70   * remove duplicates
71   *
72   * @param array
73   */
74  private static removeDuplicates(array: number[]): number[] {
75    return [...new Set<number>(array)] as number[];
76  }
77}