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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 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 | /* * Copyright 2007, Google Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of Google Inc. nor the names of its contributors may be * used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Sets up google.gears.*, which is *the only* supported way to access Gears. * * Circumvent this file at your own risk! * * In the future, Gears may automatically define google.gears.* without this * file. Gears may use these objects to transparently fix bugs and compatibility * issues. Applications that use the code below will continue to work seamlessly * when that happens. */ (function() { // We are already defined. Hooray! if (window.google && google.gears) { return; } var factory = null; // Firefox if (typeof GearsFactory != 'undefined') { factory = new GearsFactory(); } else { // IE try { factory = new ActiveXObject('Gears.Factory'); // privateSetGlobalObject is only required and supported on WinCE. if (factory.getBuildInfo().indexOf('ie_mobile') != -1) { factory.privateSetGlobalObject(this); } } catch (e) { // Safari if ((typeof navigator.mimeTypes != 'undefined') && navigator.mimeTypes["application/x-googlegears"]) { factory = document.createElement("object"); factory.style.display = "none"; factory.width = 0; factory.height = 0; factory.type = "application/x-googlegears"; document.documentElement.appendChild(factory); } } } // *Do not* define any objects if Gears is not installed. This mimics the // behavior of Gears defining the objects in the future. if (!factory) { return; } // Now set up the objects, being careful not to overwrite anything. // // Note: In Internet Explorer for Windows Mobile, you can't add properties to // the window object. However, global objects are automatically added as // properties of the window object in all browsers. if (!window.google) { google = {}; } if (!google.gears) { google.gears = {factory: factory}; } })(); |