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 print from '@ohos.print'; 17import { Log, PrinterExtensionInfo } from '@ohos/common'; 18import AppStorageHelper from '../Common/Adapter/AppStorageHelper'; 19import {AppStorageKeyName} from '@ohos/common'; 20import {PrintExtensionModel} from '../Model/PrintExtensionModel'; 21 22const TAG = '[PrintExtensionController]:'; 23 24/** 25 * PrintExtensionController 26 * 27 */ 28export class PrintExtensionController { 29 private mPrintExtensionModel : PrintExtensionModel = new PrintExtensionModel() 30 31 /** 32 * init 33 * 34 */ 35 public init() : void { 36 Log.info(TAG, 'PrintExtensionController init') 37 AppStorageHelper.createValue<Array<PrinterExtensionInfo>>(this.getModel().getPrintExtensions, AppStorageKeyName.PRINT_EXTENSION_LIST_NAME) 38 } 39 40 /** 41 * get all printExtension 42 */ 43 public getAllPrintExtension() : void { 44 Log.info(TAG, 'queryPrinterCapability') 45 print.queryAllPrinterExtensionInfos().then((data)=> { 46 Log.info(TAG, 'start connect Printer success data : ' ) 47 this.getModel().dealGetAllPrintExtension(data) 48 }).catch((err)=> { 49 Log.error(TAG, 'failed to get AllPrintExtension because ' + JSON.stringify(err)); 50 }); 51 } 52 53 /** 54 * get model 55 * 56 * @return PrintExtensionModel 57 */ 58 public getModel() : PrintExtensionModel { 59 return this.mPrintExtensionModel 60 } 61}