@c8y/ngx-components/esm2022/core/ui-settings/theme-switcher.service.mjs

Angular modules for Cumulocity IoT applications

import { Injectable } from '@angular/core';
import { BehaviorSubject, fromEvent, of } from 'rxjs';
import { map, startWith, switchMap } from 'rxjs/operators';
import { OptionsService } from '../common/options.service';
import { gettext } from '@c8y/ngx-components/gettext';
import { getThemePreference, applyTheme, setThemePreference } from '@c8y/bootstrap';
import * as i0 from "@angular/core";
import * as i1 from "../common/options.service";
export class ThemeSwitcherService {
    constructor(options) {
        this.options = options;
        this.darkThemeClass = `c8y-dark-theme`;
        this.themeOptions = [
            {
                label: gettext('Light'),
                value: 'light',
                icon: 'sun'
            },
            {
                label: gettext('Dark'),
                value: 'dark',
                icon: 'moon'
            },
            {
                label: gettext('System'),
                value: 'system',
                icon: 'imac-settings'
            }
        ];
        this._userSelectedThemePreference$ = new BehaviorSubject(this.getCurrentThemePreference());
        this._temporaryThemePreference$ = new BehaviorSubject('none');
        this.userSelectedThemePreference$ = this._userSelectedThemePreference$.asObservable();
        const userSelectedTheme$ = this.userSelectedThemePreference$.pipe(switchMap(preference => {
            if (preference === 'system') {
                return this.getUsersSystemPreferenceForTheme$();
            }
            return of(preference);
        }));
        this.disableThemeSelection$ = this._temporaryThemePreference$.pipe(map(preference => preference !== 'none'));
        this.currentlyAppliedTheme$ = this._temporaryThemePreference$.pipe(switchMap(temporaryPreference => {
            if (temporaryPreference !== 'none') {
                return of(temporaryPreference);
            }
            return userSelectedTheme$;
        }));
        this.darkThemeAvailable$ = this.options.get$('darkThemeAvailable').pipe(map(value => !!value));
    }
    getCurrentThemePreference() {
        const value = getThemePreference();
        if (value === 'system' || value === 'dark') {
            return value;
        }
        return 'light';
    }
    getUsersSystemPreferenceForTheme$() {
        return fromEvent(window.matchMedia('(prefers-color-scheme: dark)'), 'change').pipe(startWith(window.matchMedia('(prefers-color-scheme: dark)')), map((e) => (e.matches ? 'dark' : 'light')));
    }
    changeUserPreference(preference) {
        setThemePreference(preference);
        this._userSelectedThemePreference$.next(preference);
        this.applyTheme(preference);
    }
    temporaryChangeTheme(preference) {
        this._temporaryThemePreference$.next(preference);
        this.applyTheme(preference);
    }
    resetTemporaryTheme() {
        this._temporaryThemePreference$.next('none');
        this.applyTheme(this.getCurrentThemePreference());
    }
    applyTheme(preference) {
        applyTheme(preference);
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: ThemeSwitcherService, deps: [{ token: i1.OptionsService }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: ThemeSwitcherService, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: ThemeSwitcherService, decorators: [{
            type: Injectable,
            args: [{
                    providedIn: 'root'
                }]
        }], ctorParameters: () => [{ type: i1.OptionsService }] });
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"theme-switcher.service.js","sourceRoot":"","sources":["../../../../core/ui-settings/theme-switcher.service.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,UAAU,EAAE,MAAM,eAAe,CAAC;AAC3C,OAAO,EAAE,eAAe,EAAc,SAAS,EAAE,EAAE,EAAE,MAAM,MAAM,CAAC;AAClE,OAAO,EAAE,GAAG,EAAE,SAAS,EAAE,SAAS,EAAE,MAAM,gBAAgB,CAAC;AAC3D,OAAO,EAAE,cAAc,EAAE,MAAM,2BAA2B,CAAC;AAC3D,OAAO,EAAE,OAAO,EAAE,MAAM,6BAA6B,CAAC;AAEtD,OAAO,EAAE,kBAAkB,EAAE,UAAU,EAAE,kBAAkB,EAAE,MAAM,gBAAgB,CAAC;;;AAQpF,MAAM,OAAO,oBAAoB;IAgC/B,YAAoB,OAAuB;QAAvB,YAAO,GAAP,OAAO,CAAgB;QA/B3C,mBAAc,GAAG,gBAAgB,CAAC;QAKlC,iBAAY,GAAG;YACb;gBACE,KAAK,EAAE,OAAO,CAAC,OAAO,CAAC;gBACvB,KAAK,EAAE,OAAO;gBACd,IAAI,EAAE,KAAK;aACZ;YACD;gBACE,KAAK,EAAE,OAAO,CAAC,MAAM,CAAC;gBACtB,KAAK,EAAE,MAAM;gBACb,IAAI,EAAE,MAAM;aACb;YACD;gBACE,KAAK,EAAE,OAAO,CAAC,QAAQ,CAAC;gBACxB,KAAK,EAAE,QAAQ;gBACf,IAAI,EAAE,eAAe;aACtB;SAKA,CAAC;QACI,kCAA6B,GAAG,IAAI,eAAe,CACzD,IAAI,CAAC,yBAAyB,EAAE,CACjC,CAAC;QACM,+BAA0B,GAAG,IAAI,eAAe,CAAwB,MAAM,CAAC,CAAC;QAGtF,IAAI,CAAC,4BAA4B,GAAG,IAAI,CAAC,6BAA6B,CAAC,YAAY,EAAE,CAAC;QACtF,MAAM,kBAAkB,GAAG,IAAI,CAAC,4BAA4B,CAAC,IAAI,CAC/D,SAAS,CAAC,UAAU,CAAC,EAAE;YACrB,IAAI,UAAU,KAAK,QAAQ,EAAE,CAAC;gBAC5B,OAAO,IAAI,CAAC,iCAAiC,EAAE,CAAC;YAClD,CAAC;YACD,OAAO,EAAE,CAAC,UAAU,CAAC,CAAC;QACxB,CAAC,CAAC,CACH,CAAC;QACF,IAAI,CAAC,sBAAsB,GAAG,IAAI,CAAC,0BAA0B,CAAC,IAAI,CAChE,GAAG,CAAC,UAAU,CAAC,EAAE,CAAC,UAAU,KAAK,MAAM,CAAC,CACzC,CAAC;QACF,IAAI,CAAC,sBAAsB,GAAG,IAAI,CAAC,0BAA0B,CAAC,IAAI,CAChE,SAAS,CAAC,mBAAmB,CAAC,EAAE;YAC9B,IAAI,mBAAmB,KAAK,MAAM,EAAE,CAAC;gBACnC,OAAO,EAAE,CAAC,mBAAmB,CAAC,CAAC;YACjC,CAAC;YACD,OAAO,kBAAkB,CAAC;QAC5B,CAAC,CAAC,CACH,CAAC;QACF,IAAI,CAAC,mBAAmB,GAAG,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,oBAAoB,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,KAAK,CAAC,EAAE,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC;IACjG,CAAC;IAED,yBAAyB;QACvB,MAAM,KAAK,GAAG,kBAAkB,EAAE,CAAC;QACnC,IAAI,KAAK,KAAK,QAAQ,IAAI,KAAK,KAAK,MAAM,EAAE,CAAC;YAC3C,OAAO,KAAK,CAAC;QACf,CAAC;QACD,OAAO,OAAO,CAAC;IACjB,CAAC;IAED,iCAAiC;QAC/B,OAAO,SAAS,CAAC,MAAM,CAAC,UAAU,CAAC,8BAA8B,CAAC,EAAE,QAAQ,CAAC,CAAC,IAAI,CAChF,SAAS,CAAC,MAAM,CAAC,UAAU,CAAC,8BAA8B,CAAC,CAAC,EAC5D,GAAG,CAAC,CAAC,CAAiB,EAAE,EAAE,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC,CAC3D,CAAC;IACJ,CAAC;IAED,oBAAoB,CAAC,UAAuC;QAC1D,kBAAkB,CAAC,UAAU,CAAC,CAAC;QAC/B,IAAI,CAAC,6BAA6B,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC;QACpD,IAAI,CAAC,UAAU,CAAC,UAAU,CAAC,CAAC;IAC9B,CAAC;IAED,oBAAoB,CAAC,UAA4B;QAC/C,IAAI,CAAC,0BAA0B,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC;QACjD,IAAI,CAAC,UAAU,CAAC,UAAU,CAAC,CAAC;IAC9B,CAAC;IAED,mBAAmB;QACjB,IAAI,CAAC,0BAA0B,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;QAC7C,IAAI,CAAC,UAAU,CAAC,IAAI,CAAC,yBAAyB,EAAE,CAAC,CAAC;IACpD,CAAC;IAED,UAAU,CAAC,UAAuC;QAChD,UAAU,CAAC,UAAU,CAAC,CAAC;IACzB,CAAC;+GAzFU,oBAAoB;mHAApB,oBAAoB,cAFnB,MAAM;;4FAEP,oBAAoB;kBAHhC,UAAU;mBAAC;oBACV,UAAU,EAAE,MAAM;iBACnB","sourcesContent":["import { Injectable } from '@angular/core';\nimport { BehaviorSubject, Observable, fromEvent, of } from 'rxjs';\nimport { map, startWith, switchMap } from 'rxjs/operators';\nimport { OptionsService } from '../common/options.service';\nimport { gettext } from '@c8y/ngx-components/gettext';\nimport { SupportedIcons } from '@c8y/ngx-components/icon-selector/icons';\nimport { getThemePreference, applyTheme, setThemePreference } from '@c8y/bootstrap';\n\nexport type ThemeOptions = 'light' | 'dark';\nexport type ThemePreferenceOptions = ThemeOptions | 'system';\n\n@Injectable({\n  providedIn: 'root'\n})\nexport class ThemeSwitcherService {\n  darkThemeClass = `c8y-dark-theme`;\n  darkThemeAvailable$: Observable<boolean>;\n  userSelectedThemePreference$: Observable<ThemePreferenceOptions>;\n  currentlyAppliedTheme$: Observable<ThemeOptions>;\n  disableThemeSelection$: Observable<boolean>;\n  themeOptions = [\n    {\n      label: gettext('Light'),\n      value: 'light',\n      icon: 'sun'\n    },\n    {\n      label: gettext('Dark'),\n      value: 'dark',\n      icon: 'moon'\n    },\n    {\n      label: gettext('System'),\n      value: 'system',\n      icon: 'imac-settings'\n    }\n  ] as const satisfies {\n    label: string;\n    value: ThemePreferenceOptions;\n    icon: SupportedIcons;\n  }[];\n  private _userSelectedThemePreference$ = new BehaviorSubject<ThemePreferenceOptions>(\n    this.getCurrentThemePreference()\n  );\n  private _temporaryThemePreference$ = new BehaviorSubject<ThemeOptions | 'none'>('none');\n\n  constructor(private options: OptionsService) {\n    this.userSelectedThemePreference$ = this._userSelectedThemePreference$.asObservable();\n    const userSelectedTheme$ = this.userSelectedThemePreference$.pipe(\n      switchMap(preference => {\n        if (preference === 'system') {\n          return this.getUsersSystemPreferenceForTheme$();\n        }\n        return of(preference);\n      })\n    );\n    this.disableThemeSelection$ = this._temporaryThemePreference$.pipe(\n      map(preference => preference !== 'none')\n    );\n    this.currentlyAppliedTheme$ = this._temporaryThemePreference$.pipe(\n      switchMap(temporaryPreference => {\n        if (temporaryPreference !== 'none') {\n          return of(temporaryPreference);\n        }\n        return userSelectedTheme$;\n      })\n    );\n    this.darkThemeAvailable$ = this.options.get$('darkThemeAvailable').pipe(map(value => !!value));\n  }\n\n  getCurrentThemePreference(): 'light' | 'dark' | 'system' {\n    const value = getThemePreference();\n    if (value === 'system' || value === 'dark') {\n      return value;\n    }\n    return 'light';\n  }\n\n  getUsersSystemPreferenceForTheme$() {\n    return fromEvent(window.matchMedia('(prefers-color-scheme: dark)'), 'change').pipe(\n      startWith(window.matchMedia('(prefers-color-scheme: dark)')),\n      map((e: MediaQueryList) => (e.matches ? 'dark' : 'light'))\n    );\n  }\n\n  changeUserPreference(preference: 'light' | 'dark' | 'system') {\n    setThemePreference(preference);\n    this._userSelectedThemePreference$.next(preference);\n    this.applyTheme(preference);\n  }\n\n  temporaryChangeTheme(preference: 'light' | 'dark') {\n    this._temporaryThemePreference$.next(preference);\n    this.applyTheme(preference);\n  }\n\n  resetTemporaryTheme() {\n    this._temporaryThemePreference$.next('none');\n    this.applyTheme(this.getCurrentThemePreference());\n  }\n\n  applyTheme(preference: 'light' | 'dark' | 'system') {\n    applyTheme(preference);\n  }\n}\n"]}