ferngully-aurelia-tools/dist/amd/services/browser-service.js

Ferngully Tools for Aurelia

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
define(["require", "exports", "aurelia-framework", "aurelia-event-aggregator"], function (require, exports, aurelia_framework_1, aurelia_event_aggregator_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var windowResizeChannel = "window resize";
    var BrowserService = (function () {
        function BrowserService(eventAggregator) {
            this.eventAggregator = eventAggregator;
            this.escapeEl = document.createElement('textarea');
            this.onWindowResize(this.windowResizeHandler.bind(this));
        }
        BrowserService.prototype.registerForWindowResize = function (callback) {
            return this.eventAggregator.subscribe(windowResizeChannel, callback);
        };
        BrowserService.prototype.windowResizeHandler = function (event) {
            this.eventAggregator.publish(windowResizeChannel, event);
        };
        BrowserService.prototype.onWindowResize = function (fun) {
            if (fun === undefined)
                return;
            var oldresize = window.onresize;
            window.onresize = function (e) {
                if (typeof oldresize == 'function')
                    oldresize(e);
                return fun(e);
            };
        };
        BrowserService.prototype.verticalScrollBarIsShowing = function () {
            return (window.innerWidth - document.body.clientWidth) > 0;
        };
        BrowserService.prototype.scrollbarWidth = function () {
            if (!this._scrollbarWidth) {
                var scrollDiv = document.createElement("div");
                scrollDiv.style.width = "100px";
                scrollDiv.style.height = "100px";
                scrollDiv.style.overflow = "scroll";
                scrollDiv.style.position = "absolute";
                scrollDiv.style.top = "-9999px;";
                document.body.appendChild(scrollDiv);
                this._scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth;
                document.body.removeChild(scrollDiv);
            }
            return this._scrollbarWidth;
        };
        BrowserService.prototype.escapeHtml = function (unEscapedString) {
            this.escapeEl.textContent = unEscapedString ? unEscapedString : "";
            return this.escapeEl.innerHTML;
        };
        ;
        BrowserService.prototype.unEscapeHtml = function (escapedString) {
            this.escapeEl.innerHTML = escapedString ? escapedString : "";
            return this.escapeEl.textContent == null ? "" : this.escapeEl.textContent;
        };
        ;
        BrowserService = __decorate([
            aurelia_framework_1.autoinject,
            __metadata("design:paramtypes", [aurelia_event_aggregator_1.EventAggregator])
        ], BrowserService);
        return BrowserService;
    }());
    exports.BrowserService = BrowserService;
});
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