inappbrowser.js 4.48 KB
Newer Older
Jennie Shi's avatar
Jennie Shi committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
*/

(function () {
    var exec = require('cordova/exec');
    var channel = require('cordova/channel');
    var modulemapper = require('cordova/modulemapper');
    var urlutil = require('cordova/urlutil');

    function InAppBrowser () {
        this.channels = {
30
            'beforeload': channel.create('beforeload'),
Jennie Shi's avatar
Jennie Shi committed
31 32 33
            'loadstart': channel.create('loadstart'),
            'loadstop': channel.create('loadstop'),
            'loaderror': channel.create('loaderror'),
34 35 36
            'exit': channel.create('exit'),
            'customscheme': channel.create('customscheme'),
            'message': channel.create('message')
Jennie Shi's avatar
Jennie Shi committed
37 38 39 40 41 42
        };
    }

    InAppBrowser.prototype = {
        _eventHandler: function (event) {
            if (event && (event.type in this.channels)) {
43 44 45 46 47
                if (event.type === 'beforeload') {
                    this.channels[event.type].fire(event, this._loadAfterBeforeload);
                } else {
                    this.channels[event.type].fire(event);
                }
Jennie Shi's avatar
Jennie Shi committed
48 49
            }
        },
50 51 52 53
        _loadAfterBeforeload: function (strUrl) {
            strUrl = urlutil.makeAbsolute(strUrl);
            exec(null, null, 'InAppBrowser', 'loadAfterBeforeload', [strUrl]);
        },
Jennie Shi's avatar
Jennie Shi committed
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119
        close: function (eventname) {
            exec(null, null, 'InAppBrowser', 'close', []);
        },
        show: function (eventname) {
            exec(null, null, 'InAppBrowser', 'show', []);
        },
        hide: function (eventname) {
            exec(null, null, 'InAppBrowser', 'hide', []);
        },
        addEventListener: function (eventname, f) {
            if (eventname in this.channels) {
                this.channels[eventname].subscribe(f);
            }
        },
        removeEventListener: function (eventname, f) {
            if (eventname in this.channels) {
                this.channels[eventname].unsubscribe(f);
            }
        },

        executeScript: function (injectDetails, cb) {
            if (injectDetails.code) {
                exec(cb, null, 'InAppBrowser', 'injectScriptCode', [injectDetails.code, !!cb]);
            } else if (injectDetails.file) {
                exec(cb, null, 'InAppBrowser', 'injectScriptFile', [injectDetails.file, !!cb]);
            } else {
                throw new Error('executeScript requires exactly one of code or file to be specified');
            }
        },

        insertCSS: function (injectDetails, cb) {
            if (injectDetails.code) {
                exec(cb, null, 'InAppBrowser', 'injectStyleCode', [injectDetails.code, !!cb]);
            } else if (injectDetails.file) {
                exec(cb, null, 'InAppBrowser', 'injectStyleFile', [injectDetails.file, !!cb]);
            } else {
                throw new Error('insertCSS requires exactly one of code or file to be specified');
            }
        }
    };

    module.exports = function (strUrl, strWindowName, strWindowFeatures, callbacks) {
        // Don't catch calls that write to existing frames (e.g. named iframes).
        if (window.frames && window.frames[strWindowName]) {
            var origOpenFunc = modulemapper.getOriginalSymbol(window, 'open');
            return origOpenFunc.apply(window, arguments);
        }

        strUrl = urlutil.makeAbsolute(strUrl);
        var iab = new InAppBrowser();

        callbacks = callbacks || {};
        for (var callbackName in callbacks) {
            iab.addEventListener(callbackName, callbacks[callbackName]);
        }

        var cb = function (eventname) {
            iab._eventHandler(eventname);
        };

        strWindowFeatures = strWindowFeatures || '';

        exec(cb, cb, 'InAppBrowser', 'open', [strUrl, strWindowName, strWindowFeatures]);
        return iab;
    };
})();