CanvasBlocker/lib/mobile.js

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
(function(){
	"use strict";
	
	let scope;
	if ((typeof exports) !== "undefined"){
		scope = exports;
	}
	else {
		scope = require.register("./mobile", {});
	}
	
	const settings = require("./settings");
	const settingDefinitions = require("./settingDefinitions");
	
	scope.isMobile = function isMobile(){
		// todo: proper mobile check (e.g. over browser.runtime.getBrowserInfo()) and no feature check
		return Promise.resolve(
			!browser.pageAction ||
			!browser.pageAction.show ||
			!browser.pageAction.openPopup
		);
	};
	
	scope.ifMobile = function ifMobile(ifCallback, elseCallback){
		return scope.isMobile().then(function(isMobile){
			if (isMobile){
				return ifCallback();
			}
			else if (elseCallback){
				return elseCallback();
			}
			else {
				return false;
			}
		});
	};
	
	scope.applyMobileDefaults = function applyMobileDefaults(storage = false){
		return Promise.all(settingDefinitions.filter(function(definition){
			return definition.hasOwnProperty("mobileDefaultValue") && (
				!storage ||
				!storage.hasOwnProperty(definition.name)
			);
		}).map(function(definition){
			return settings.set(definition.name, definition.mobileDefaultValue);
		}));
	};
}());