1/* 2 * Copyright 2023, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17import {VIRTUAL_SCROLL_STRATEGY} from '@angular/cdk/scrolling'; 18import {Directive, forwardRef} from '@angular/core'; 19import {VariableHeightScrollDirective} from 'viewers/common/variable_height_scroll_directive'; 20import {UiDataMessage} from 'viewers/viewer_protolog/ui_data'; 21import {ProtologScrollStrategy} from './protolog_scroll_strategy'; 22 23@Directive({ 24 selector: '[protologVirtualScroll]', 25 providers: [ 26 { 27 provide: VIRTUAL_SCROLL_STRATEGY, 28 useFactory: (dir: ProtologScrollDirective) => dir.scrollStrategy, 29 deps: [forwardRef(() => ProtologScrollDirective)], 30 }, 31 ], 32}) 33export class ProtologScrollDirective extends VariableHeightScrollDirective<UiDataMessage> { 34 scrollStrategy = new ProtologScrollStrategy(); 35} 36