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1/*
2 * Copyright (c) 2022 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 { Log } from '../../common/src/main/ets/default/utils/Log'
17import { Constants } from './Constants'
18import { Mode } from './Mode'
19
20export class ModeAssembler {
21  private TAG: string = '[ModeAssembler]:'
22  private mNeedAdd: string[]
23  private mNeedDelete: string[]
24  private mMode = new Mode()
25  private mFunctionsMap: Map<string, any>
26
27  constructor(functionsMap: Map<string, any>) {
28    this.mFunctionsMap = functionsMap
29  }
30  public assembler(preMode: string, currentMode: string): void {
31    Log.info(`${this.TAG} assembler preMode = ${preMode}  currentMode = ${currentMode} E `)
32    this.mNeedAdd = []
33    this.mNeedDelete = []
34    let preModeFun: string[] = this.mMode.getFunctions(preMode)
35    let currentModeFun: string[] = this.mMode.getFunctions(currentMode)
36
37    Log.info(`${this.TAG} assembler preModeFun = ${preModeFun}  currentModeFun = ${currentModeFun}  `)
38    if (!preMode) {
39      this.mNeedAdd = JSON.parse(JSON.stringify(currentModeFun))
40    } else if (preMode != currentMode) {
41      this.mNeedAdd = JSON.parse(JSON.stringify(currentModeFun))
42      for (let fun of preModeFun) {
43        let index = currentModeFun.indexOf(fun)
44          if (index == -1) {
45            this.mNeedDelete.push(fun)
46          } else {
47            this.mNeedAdd.splice(index, 1)
48          }
49      }
50    }
51    Log.info(`${this.TAG} assembler mNeedAdd = ${this.mNeedAdd}  mNeedDelete = ${this.mNeedDelete}`)
52    this.attachFunction(this.mNeedAdd)
53    this.detachFunction(this.mNeedDelete)
54    Log.info(`${this.TAG} assembler X`)
55  }
56
57  private attachFunction(item: string[]): void {
58    for (let fun of item) {
59      Log.info(`${this.TAG} attachFunction fun: ${fun}`)
60      this.mFunctionsMap.get(fun).load()
61    }
62  }
63
64  private detachFunction(item: string[]): void {
65    for (let fun of item) {
66      Log.info(`${this.TAG} disattachFunction fun: ${fun}`)
67      this.mFunctionsMap.get(fun).unload()
68    }
69  }
70}