ngx-slice-kit
Version:
[](https://badge.fury.io/js/ngx-slice-kit)
101 lines • 13.5 kB
JavaScript
import { Inject, Injectable } from '@angular/core';
import { getSupportedInputTypes, supportsPassiveEventListeners, supportsScrollBehavior } from '@angular/cdk/platform';
import { BehaviorSubject, of } from 'rxjs';
import { DOCUMENT } from '@angular/common';
import * as i0 from "@angular/core";
import * as i1 from "@angular/cdk/platform";
const DEFAULT_MOBILE_LAYOUT_WIDTH = 1024;
const CHAR_STRING = '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
const LOWER_INDEX = 1000;
export class LayoutControlService {
constructor(document, platform) {
this.document = document;
this.platform = platform;
this.supportedInputTypes = Array.from(getSupportedInputTypes()).join(', ');
this.supportsPassiveEventListeners = supportsPassiveEventListeners();
this.supportsScrollBehavior = supportsScrollBehavior();
/**
* simple bool behaviorSubject which returns is mobileLayout active or not
*/
this.$mobileLayoutWidth = new BehaviorSubject(DEFAULT_MOBILE_LAYOUT_WIDTH);
this.$focusTrap = new BehaviorSubject([]);
}
get trapped() {
const elements = this.$focusTrap.getValue();
return elements.length ? elements[0] : undefined;
}
get focusTrap() {
return this.$focusTrap.getValue();
}
get isMobileLayout() {
const { width = 0 } = this.getViewport();
return width <= this.mobileLayoutWidth;
}
get mobileLayoutObservable() {
return of(this.isMobileLayout);
}
get mobileLayoutDetectionEnabled() {
return this.isMobileLayout !== null ? this.isMobileLayout : false;
}
get mobileLayoutWidth() {
return this.$mobileLayoutWidth.getValue();
}
set mobileLayoutWidth(w) {
this.$mobileLayoutWidth.next(w);
}
focus(elem) {
this.$focusTrap.next([elem, ...this.$focusTrap.getValue()]);
}
getPlatformClass() {
return this.platform.IOS ? 'ios' :
this.platform.ANDROID ? 'android' : 'browser';
}
generateLayoutElementHash() {
let result = '';
for (let i = 0; i < 32; i++) {
result += CHAR_STRING.charAt(Math.floor(Math.random() * CHAR_STRING.length));
}
return result;
}
catch(elem) {
this.$focusTrap.next([elem, ...this.$focusTrap.getValue()]);
}
getViewport() {
if (!this.platform.isBrowser) {
return;
}
const win = window;
const d = this.document;
const e = d.documentElement;
const g = d.body;
const w = win.innerWidth || e.clientWidth || g.clientWidth;
const h = win.innerHeight || e.clientHeight || g.clientHeight;
return { width: w, height: h };
}
getWindowScrollTop() {
if (!this.platform.isBrowser) {
return;
}
const doc = this.document.documentElement;
return (window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0);
}
getWindowScrollLeft() {
if (!this.platform.isBrowser) {
return;
}
const doc = this.document.documentElement;
return (window.pageXOffset || doc.scrollLeft) - (doc.clientLeft || 0);
}
}
LayoutControlService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.0.3", ngImport: i0, type: LayoutControlService, deps: [{ token: DOCUMENT }, { token: i1.Platform }], target: i0.ɵɵFactoryTarget.Injectable });
LayoutControlService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "14.0.3", ngImport: i0, type: LayoutControlService, providedIn: 'root' });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.0.3", ngImport: i0, type: LayoutControlService, decorators: [{
type: Injectable,
args: [{
providedIn: 'root'
}]
}], ctorParameters: function () { return [{ type: undefined, decorators: [{
type: Inject,
args: [DOCUMENT]
}] }, { type: i1.Platform }]; } });
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elements[0] : undefined;\n    }\n\n    public get focusTrap(): any[] {\n        return this.$focusTrap.getValue();\n    }\n\n    public get isMobileLayout(): boolean {\n        const {width = 0} = this.getViewport();\n        return width <= this.mobileLayoutWidth;\n    }\n\n    public get mobileLayoutObservable(): Observable<boolean> {\n        return of(this.isMobileLayout);\n    }\n\n    public get mobileLayoutDetectionEnabled(): boolean {\n        return this.isMobileLayout !== null ? this.isMobileLayout : false;\n    }\n\n    public get mobileLayoutWidth(): number {\n        return this.$mobileLayoutWidth.getValue();\n    }\n\n    public set mobileLayoutWidth(w: number) {\n        this.$mobileLayoutWidth.next(w);\n    }\n\n    public focus(elem: any): void {\n        this.$focusTrap.next([elem, ...this.$focusTrap.getValue()]);\n    }\n\n    public getPlatformClass(): string {\n        return this.platform.IOS ? 'ios' :\n            this.platform.ANDROID ? 'android' : 'browser';\n    }\n\n    public generateLayoutElementHash(): string {\n        let result = '';\n        for (let i = 0; i < 32; i++) {\n            result += CHAR_STRING.charAt(Math.floor(Math.random() * CHAR_STRING.length));\n        }\n        return result;\n    }\n\n    public catch(elem: ElementRef): void {\n        this.$focusTrap.next([elem, ...this.$focusTrap.getValue()]);\n    }\n\n    public getViewport(): any {\n        if (!this.platform.isBrowser) {\n            return;\n        }\n\n        const win = window;\n        const d = this.document;\n        const e = d.documentElement;\n        const g = d.body;\n        const w = win.innerWidth || e.clientWidth || g.clientWidth;\n        const h = win.innerHeight || e.clientHeight || g.clientHeight;\n\n        return {width: w, height: h};\n    }\n\n    public getWindowScrollTop(): number {\n        if (!this.platform.isBrowser) {\n            return;\n        }\n\n        const doc = this.document.documentElement;\n        return (window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0);\n    }\n\n    public getWindowScrollLeft(): number {\n        if (!this.platform.isBrowser) {\n            return;\n        }\n\n        const doc = this.document.documentElement;\n        return (window.pageXOffset || doc.scrollLeft) - (doc.clientLeft || 0);\n    }\n}\n"]}