/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { ViewportScroller } from '@angular/common';
import { Injectable, InjectionToken, NgZone } from '@angular/core';
import { NavigationEnd, NavigationSkipped, NavigationStart, Scroll } from './events';
import { NavigationTransitions } from './navigation_transition';
import { UrlSerializer } from './url_tree';
import * as i0 from "@angular/core";
import * as i1 from "./url_tree";
import * as i2 from "./navigation_transition";
import * as i3 from "@angular/common";
export const ROUTER_SCROLLER = new InjectionToken('');
export class RouterScroller {
    /** @nodoc */
    constructor(urlSerializer, transitions, viewportScroller, zone, options = {}) {
        this.urlSerializer = urlSerializer;
        this.transitions = transitions;
        this.viewportScroller = viewportScroller;
        this.zone = zone;
        this.options = options;
        this.lastId = 0;
        this.lastSource = 'imperative';
        this.restoredId = 0;
        this.store = {};
        // Default both options to 'disabled'
        options.scrollPositionRestoration = options.scrollPositionRestoration || 'disabled';
        options.anchorScrolling = options.anchorScrolling || 'disabled';
    }
    init() {
        // we want to disable the automatic scrolling because having two places
        // responsible for scrolling results race conditions, especially given
        // that browser don't implement this behavior consistently
        if (this.options.scrollPositionRestoration !== 'disabled') {
            this.viewportScroller.setHistoryScrollRestoration('manual');
        }
        this.routerEventsSubscription = this.createScrollEvents();
        this.scrollEventsSubscription = this.consumeScrollEvents();
    }
    createScrollEvents() {
        return this.transitions.events.subscribe(e => {
            if (e instanceof NavigationStart) {
                // store the scroll position of the current stable navigations.
                this.store[this.lastId] = this.viewportScroller.getScrollPosition();
                this.lastSource = e.navigationTrigger;
                this.restoredId = e.restoredState ? e.restoredState.navigationId : 0;
            }
            else if (e instanceof NavigationEnd) {
                this.lastId = e.id;
                this.scheduleScrollEvent(e, this.urlSerializer.parse(e.urlAfterRedirects).fragment);
            }
            else if (e instanceof NavigationSkipped &&
                e.code === 0 /* NavigationSkippedCode.IgnoredSameUrlNavigation */) {
                this.lastSource = undefined;
                this.restoredId = 0;
                this.scheduleScrollEvent(e, this.urlSerializer.parse(e.url).fragment);
            }
        });
    }
    consumeScrollEvents() {
        return this.transitions.events.subscribe(e => {
            if (!(e instanceof Scroll))
                return;
            // a popstate event. The pop state event will always ignore anchor scrolling.
            if (e.position) {
                if (this.options.scrollPositionRestoration === 'top') {
                    this.viewportScroller.scrollToPosition([0, 0]);
                }
                else if (this.options.scrollPositionRestoration === 'enabled') {
                    this.viewportScroller.scrollToPosition(e.position);
                }
                // imperative navigation "forward"
            }
            else {
                if (e.anchor && this.options.anchorScrolling === 'enabled') {
                    this.viewportScroller.scrollToAnchor(e.anchor);
                }
                else if (this.options.scrollPositionRestoration !== 'disabled') {
                    this.viewportScroller.scrollToPosition([0, 0]);
                }
            }
        });
    }
    scheduleScrollEvent(routerEvent, anchor) {
        this.zone.runOutsideAngular(() => {
            // The scroll event needs to be delayed until after change detection. Otherwise, we may
            // attempt to restore the scroll position before the router outlet has fully rendered the
            // component by executing its update block of the template function.
            setTimeout(() => {
                this.zone.run(() => {
                    this.transitions.events.next(new Scroll(routerEvent, this.lastSource === 'popstate' ? this.store[this.restoredId] : null, anchor));
                });
            }, 0);
        });
    }
    /** @nodoc */
    ngOnDestroy() {
        this.routerEventsSubscription?.unsubscribe();
        this.scrollEventsSubscription?.unsubscribe();
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: RouterScroller, deps: "invalid", target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: RouterScroller }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: RouterScroller, decorators: [{
            type: Injectable
        }], ctorParameters: function () { return [{ type: i1.UrlSerializer }, { type: i2.NavigationTransitions }, { type: i3.ViewportScroller }, { type: i0.NgZone }, { type: undefined }]; } });
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"router_scroller.js","sourceRoot":"","sources":["../../../../../../packages/router/src/router_scroller.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,gBAAgB,EAAC,MAAM,iBAAiB,CAAC;AACjD,OAAO,EAAC,UAAU,EAAE,cAAc,EAAE,MAAM,EAAY,MAAM,eAAe,CAAC;AAG5E,OAAO,EAAC,aAAa,EAAE,iBAAiB,EAAyB,eAAe,EAAE,MAAM,EAAC,MAAM,UAAU,CAAC;AAC1G,OAAO,EAAC,qBAAqB,EAAC,MAAM,yBAAyB,CAAC;AAC9D,OAAO,EAAC,aAAa,EAAC,MAAM,YAAY,CAAC;;;;;AAEzC,MAAM,CAAC,MAAM,eAAe,GAAG,IAAI,cAAc,CAAiB,EAAE,CAAC,CAAC;AAGtE,MAAM,OAAO,cAAc;IASzB,aAAa;IACb,YACa,aAA4B,EAAU,WAAkC,EACjE,gBAAkC,EAAmB,IAAY,EACzE,UAGJ,EAAE;QALG,kBAAa,GAAb,aAAa,CAAe;QAAU,gBAAW,GAAX,WAAW,CAAuB;QACjE,qBAAgB,GAAhB,gBAAgB,CAAkB;QAAmB,SAAI,GAAJ,IAAI,CAAQ;QACzE,YAAO,GAAP,OAAO,CAGT;QAZF,WAAM,GAAG,CAAC,CAAC;QACX,eAAU,GAAmD,YAAY,CAAC;QAC1E,eAAU,GAAG,CAAC,CAAC;QACf,UAAK,GAAsC,EAAE,CAAC;QAUpD,qCAAqC;QACrC,OAAO,CAAC,yBAAyB,GAAG,OAAO,CAAC,yBAAyB,IAAI,UAAU,CAAC;QACpF,OAAO,CAAC,eAAe,GAAG,OAAO,CAAC,eAAe,IAAI,UAAU,CAAC;IAClE,CAAC;IAED,IAAI;QACF,uEAAuE;QACvE,sEAAsE;QACtE,0DAA0D;QAC1D,IAAI,IAAI,CAAC,OAAO,CAAC,yBAAyB,KAAK,UAAU,EAAE;YACzD,IAAI,CAAC,gBAAgB,CAAC,2BAA2B,CAAC,QAAQ,CAAC,CAAC;SAC7D;QACD,IAAI,CAAC,wBAAwB,GAAG,IAAI,CAAC,kBAAkB,EAAE,CAAC;QAC1D,IAAI,CAAC,wBAAwB,GAAG,IAAI,CAAC,mBAAmB,EAAE,CAAC;IAC7D,CAAC;IAEO,kBAAkB;QACxB,OAAO,IAAI,CAAC,WAAW,CAAC,MAAM,CAAC,SAAS,CAAC,CAAC,CAAC,EAAE;YAC3C,IAAI,CAAC,YAAY,eAAe,EAAE;gBAChC,+DAA+D;gBAC/D,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,MAAM,CAAC,GAAG,IAAI,CAAC,gBAAgB,CAAC,iBAAiB,EAAE,CAAC;gBACpE,IAAI,CAAC,UAAU,GAAG,CAAC,CAAC,iBAAiB,CAAC;gBACtC,IAAI,CAAC,UAAU,GAAG,CAAC,CAAC,aAAa,CAAC,CAAC,CAAC,CAAC,CAAC,aAAa,CAAC,YAAY,CAAC,CAAC,CAAC,CAAC,CAAC;aACtE;iBAAM,IAAI,CAAC,YAAY,aAAa,EAAE;gBACrC,IAAI,CAAC,MAAM,GAAG,CAAC,CAAC,EAAE,CAAC;gBACnB,IAAI,CAAC,mBAAmB,CAAC,CAAC,EAAE,IAAI,CAAC,aAAa,CAAC,KAAK,CAAC,CAAC,CAAC,iBAAiB,CAAC,CAAC,QAAQ,CAAC,CAAC;aACrF;iBAAM,IACH,CAAC,YAAY,iBAAiB;gBAC9B,CAAC,CAAC,IAAI,2DAAmD,EAAE;gBAC7D,IAAI,CAAC,UAAU,GAAG,SAAS,CAAC;gBAC5B,IAAI,CAAC,UAAU,GAAG,CAAC,CAAC;gBACpB,IAAI,CAAC,mBAAmB,CAAC,CAAC,EAAE,IAAI,CAAC,aAAa,CAAC,KAAK,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,QAAQ,CAAC,CAAC;aACvE;QACH,CAAC,CAAC,CAAC;IACL,CAAC;IAEO,mBAAmB;QACzB,OAAO,IAAI,CAAC,WAAW,CAAC,MAAM,CAAC,SAAS,CAAC,CAAC,CAAC,EAAE;YAC3C,IAAI,CAAC,CAAC,CAAC,YAAY,MAAM,CAAC;gBAAE,OAAO;YACnC,6EAA6E;YAC7E,IAAI,CAAC,CAAC,QAAQ,EAAE;gBACd,IAAI,IAAI,CAAC,OAAO,CAAC,yBAAyB,KAAK,KAAK,EAAE;oBACpD,IAAI,CAAC,gBAAgB,CAAC,gBAAgB,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;iBAChD;qBAAM,IAAI,IAAI,CAAC,OAAO,CAAC,yBAAyB,KAAK,SAAS,EAAE;oBAC/D,IAAI,CAAC,gBAAgB,CAAC,gBAAgB,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC;iBACpD;gBACD,kCAAkC;aACnC;iBAAM;gBACL,IAAI,CAAC,CAAC,MAAM,IAAI,IAAI,CAAC,OAAO,CAAC,eAAe,KAAK,SAAS,EAAE;oBAC1D,IAAI,CAAC,gBAAgB,CAAC,cAAc,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC;iBAChD;qBAAM,IAAI,IAAI,CAAC,OAAO,CAAC,yBAAyB,KAAK,UAAU,EAAE;oBAChE,IAAI,CAAC,gBAAgB,CAAC,gBAAgB,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC;iBAChD;aACF;QACH,CAAC,CAAC,CAAC;IACL,CAAC;IAEO,mBAAmB,CAAC,WAA4C,EAAE,MAAmB;QAE3F,IAAI,CAAC,IAAI,CAAC,iBAAiB,CAAC,GAAG,EAAE;YAC/B,uFAAuF;YACvF,yFAAyF;YACzF,oEAAoE;YACpE,UAAU,CAAC,GAAG,EAAE;gBACd,IAAI,CAAC,IAAI,CAAC,GAAG,CAAC,GAAG,EAAE;oBACjB,IAAI,CAAC,WAAW,CAAC,MAAM,CAAC,IAAI,CAAC,IAAI,MAAM,CACnC,WAAW,EAAE,IAAI,CAAC,UAAU,KAAK,UAAU,CAAC,CAAC,CAAC,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC,IAAI,EAChF,MAAM,CAAC,CAAC,CAAC;gBACf,CAAC,CAAC,CAAC;YACL,CAAC,EAAE,CAAC,CAAC,CAAC;QACR,CAAC,CAAC,CAAC;IACL,CAAC;IAED,aAAa;IACb,WAAW;QACT,IAAI,CAAC,wBAAwB,EAAE,WAAW,EAAE,CAAC;QAC7C,IAAI,CAAC,wBAAwB,EAAE,WAAW,EAAE,CAAC;IAC/C,CAAC;yHA9FU,cAAc;6HAAd,cAAc;;sGAAd,cAAc;kBAD1B,UAAU","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {ViewportScroller} from '@angular/common';\nimport {Injectable, InjectionToken, NgZone, OnDestroy} from '@angular/core';\nimport {Unsubscribable} from 'rxjs';\n\nimport {NavigationEnd, NavigationSkipped, NavigationSkippedCode, NavigationStart, Scroll} from './events';\nimport {NavigationTransitions} from './navigation_transition';\nimport {UrlSerializer} from './url_tree';\n\nexport const ROUTER_SCROLLER = new InjectionToken<RouterScroller>('');\n\n@Injectable()\nexport class RouterScroller implements OnDestroy {\n  private routerEventsSubscription?: Unsubscribable;\n  private scrollEventsSubscription?: Unsubscribable;\n\n  private lastId = 0;\n  private lastSource: 'imperative'|'popstate'|'hashchange'|undefined = 'imperative';\n  private restoredId = 0;\n  private store: {[key: string]: [number, number]} = {};\n\n  /** @nodoc */\n  constructor(\n      readonly urlSerializer: UrlSerializer, private transitions: NavigationTransitions,\n      public readonly viewportScroller: ViewportScroller, private readonly zone: NgZone,\n      private options: {\n        scrollPositionRestoration?: 'disabled'|'enabled'|'top',\n        anchorScrolling?: 'disabled'|'enabled'\n      } = {}) {\n    // Default both options to 'disabled'\n    options.scrollPositionRestoration = options.scrollPositionRestoration || 'disabled';\n    options.anchorScrolling = options.anchorScrolling || 'disabled';\n  }\n\n  init(): void {\n    // we want to disable the automatic scrolling because having two places\n    // responsible for scrolling results race conditions, especially given\n    // that browser don't implement this behavior consistently\n    if (this.options.scrollPositionRestoration !== 'disabled') {\n      this.viewportScroller.setHistoryScrollRestoration('manual');\n    }\n    this.routerEventsSubscription = this.createScrollEvents();\n    this.scrollEventsSubscription = this.consumeScrollEvents();\n  }\n\n  private createScrollEvents() {\n    return this.transitions.events.subscribe(e => {\n      if (e instanceof NavigationStart) {\n        // store the scroll position of the current stable navigations.\n        this.store[this.lastId] = this.viewportScroller.getScrollPosition();\n        this.lastSource = e.navigationTrigger;\n        this.restoredId = e.restoredState ? e.restoredState.navigationId : 0;\n      } else if (e instanceof NavigationEnd) {\n        this.lastId = e.id;\n        this.scheduleScrollEvent(e, this.urlSerializer.parse(e.urlAfterRedirects).fragment);\n      } else if (\n          e instanceof NavigationSkipped &&\n          e.code === NavigationSkippedCode.IgnoredSameUrlNavigation) {\n        this.lastSource = undefined;\n        this.restoredId = 0;\n        this.scheduleScrollEvent(e, this.urlSerializer.parse(e.url).fragment);\n      }\n    });\n  }\n\n  private consumeScrollEvents() {\n    return this.transitions.events.subscribe(e => {\n      if (!(e instanceof Scroll)) return;\n      // a popstate event. The pop state event will always ignore anchor scrolling.\n      if (e.position) {\n        if (this.options.scrollPositionRestoration === 'top') {\n          this.viewportScroller.scrollToPosition([0, 0]);\n        } else if (this.options.scrollPositionRestoration === 'enabled') {\n          this.viewportScroller.scrollToPosition(e.position);\n        }\n        // imperative navigation \"forward\"\n      } else {\n        if (e.anchor && this.options.anchorScrolling === 'enabled') {\n          this.viewportScroller.scrollToAnchor(e.anchor);\n        } else if (this.options.scrollPositionRestoration !== 'disabled') {\n          this.viewportScroller.scrollToPosition([0, 0]);\n        }\n      }\n    });\n  }\n\n  private scheduleScrollEvent(routerEvent: NavigationEnd|NavigationSkipped, anchor: string|null):\n      void {\n    this.zone.runOutsideAngular(() => {\n      // The scroll event needs to be delayed until after change detection. Otherwise, we may\n      // attempt to restore the scroll position before the router outlet has fully rendered the\n      // component by executing its update block of the template function.\n      setTimeout(() => {\n        this.zone.run(() => {\n          this.transitions.events.next(new Scroll(\n              routerEvent, this.lastSource === 'popstate' ? this.store[this.restoredId] : null,\n              anchor));\n        });\n      }, 0);\n    });\n  }\n\n  /** @nodoc */\n  ngOnDestroy() {\n    this.routerEventsSubscription?.unsubscribe();\n    this.scrollEventsSubscription?.unsubscribe();\n  }\n}\n"]}