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