1// Copyright (C) 2021 The Android Open Source Project 2// 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. 14import { 15 HighPrecisionTime, 16} from '../../common/high_precision_time'; 17import {DragStrategy} from './drag_strategy'; 18 19export class OuterDragStrategy extends DragStrategy { 20 private dragStartPx = 0; 21 22 onDrag(x: number) { 23 const dragBeginTime = this.map.pxToHpTime(this.dragStartPx); 24 const dragEndTime = this.map.pxToHpTime(x); 25 const tStart = HighPrecisionTime.min(dragBeginTime, dragEndTime); 26 const tEnd = HighPrecisionTime.max(dragBeginTime, dragEndTime); 27 super.updateGlobals(tStart, tEnd); 28 } 29 30 onDragStart(x: number) { 31 this.dragStartPx = x; 32 } 33} 34