1/*
  2 * Licensed to the Apache Software Foundation (ASF) under one
  3 * or more contributor license agreements.  See the NOTICE file
  4 * distributed with this work for additional information
  5 * regarding copyright ownership.  The ASF licenses this file
  6 * to you under the Apache License, Version 2.0 (the
  7 * "License"); you may not use this file except in compliance
  8 * with the License.  You may obtain a copy of the License at
  9 *
 10 *   http://www.apache.org/licenses/LICENSE-2.0
 11 *
 12 * Unless required by applicable law or agreed to in writing,
 13 * software distributed under the License is distributed on an
 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 15 * KIND, either express or implied.  See the License for the
 16 * specific language governing permissions and limitations
 17 * under the License.
 18 *
 19 */
 20
 21/* global Windows */
 22
 23var _supported = null; // set to null so we can check first time
 24
 25function isSupported() {
 26    // if not checked before, run check
 27    if (_supported === null) {
 28        var viewMan = Windows.UI.ViewManagement; 
 29        _supported = (viewMan.StatusBar && viewMan.StatusBar.getForCurrentView);
 30    }
 31    return _supported;
 32}
 33
 34function getViewStatusBar() {
 35    if (!isSupported()) {
 36        throw new Error("Status bar is not supported");
 37    }
 38    return Windows.UI.ViewManagement.StatusBar.getForCurrentView();
 39}
 40
 41function hexToRgb(hex) {
 42    // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
 43    var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
 44    hex = hex.replace(shorthandRegex, function (m, r, g, b) {
 45        return r + r + g + g + b + b;
 46    });
 47
 48    var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
 49    return result ? {
 50        r: parseInt(result[1], 16),
 51        g: parseInt(result[2], 16),
 52        b: parseInt(result[3], 16)
 53    } : null;
 54}
 55
 56module.exports = {
 57    _ready: function(win, fail) {
 58        if(isSupported()) {
 59            var statusBar = getViewStatusBar();
 60            win(statusBar.occludedRect.height !== 0);
 61        }
 62    },
 63    overlaysWebView: function () {
 64        // not supported
 65    },
 66
 67    styleDefault: function () {
 68        // dark text ( to be used on a light background )
 69        if (isSupported()) {
 70            getViewStatusBar().foregroundColor = { a: 0, r: 0, g: 0, b: 0 };
 71        }
 72    },
 73
 74    styleLightContent: function () {
 75        // light text ( to be used on a dark background )
 76        if (isSupported()) {
 77            getViewStatusBar().foregroundColor = { a: 0, r: 255, g: 255, b: 255 };
 78        }
 79    },
 80
 81    styleBlackTranslucent: function () {
 82        // #88000000 ? Apple says to use lightContent instead
 83        return module.exports.styleLightContent();
 84    },
 85
 86    styleBlackOpaque: function () {
 87        // #FF000000 ? Apple says to use lightContent instead
 88        return module.exports.styleLightContent();
 89    },
 90
 91    backgroundColorByHexString: function (win, fail, args) {
 92        var rgb = hexToRgb(args[0]);
 93        if(isSupported()) {
 94            var statusBar = getViewStatusBar();
 95            statusBar.backgroundColor = { a: 0, r: rgb.r, g: rgb.g, b: rgb.b };
 96            statusBar.backgroundOpacity = 1;
 97        }
 98    },
 99
100    show: function (win, fail) {
101        // added support check so no error thrown, when calling this method
102        if (isSupported()) {
103            getViewStatusBar().showAsync().done(win, fail);
104        }
105    },
106
107    hide: function (win, fail) {
108        // added support check so no error thrown, when calling this method
109        if (isSupported()) {
110            getViewStatusBar().hideAsync().done(win, fail);
111        }
112    }
113};
114require("cordova/exec/proxy").add("StatusBar", module.exports);