hellojs-xiaotian/src/hello.phonegap.js

A clientside Javascript library for standardizing requests to OAuth2 web services (and OAuth1 - with a shim)

// Phonegap override for hello.phonegap.js
(function() {

	// Is this a phonegap implementation?
	if (!(/^file:\/{3}[^\/]/.test(window.location.href) && window.cordova)) {
		// Cordova is not included.
		return;
	}

	// Augment the hidden iframe method
	hello.utils.iframe = function(url, redirectUri) {
		hello.utils.popup(url, redirectUri, {hidden: 'yes'});
	};

	// Augment the popup
	var utilPopup = hello.utils.popup;

	// Replace popup
	hello.utils.popup = function(url, redirectUri, options) {

		// Run the standard
		var popup = utilPopup.call(this, url, redirectUri, options);

		// Create a function for reopening the popup, and assigning events to the new popup object
		// PhoneGap support
		// Add an event listener to listen to the change in the popup windows URL
		// This must appear before popup.focus();
		try {
			if (popup && popup.addEventListener) {

				// Get the origin of the redirect URI

				var a = hello.utils.url(redirectUri);
				var redirectUriOrigin = a.origin || (a.protocol + '//' + a.hostname);

				// Listen to changes in the InAppBrowser window

				popup.addEventListener('loadstart', function(e) {

					var url = e.url;

					// Is this the path, as given by the redirectUri?
					// Check the new URL agains the redirectUriOrigin.
					// According to #63 a user could click 'cancel' in some dialog boxes ....
					// The popup redirects to another page with the same origin, yet we still wish it to close.

					if (url.indexOf(redirectUriOrigin) !== 0) {
						return;
					}

					// Split appart the URL
					var a = hello.utils.url(url);

					// We dont have window operations on the popup so lets create some
					// The location can be augmented in to a location object like so...

					var _popup = {
						location: {
							// Change the location of the popup
							assign: function(location) {

								// Unfourtunatly an app is may not change the location of a InAppBrowser window.
								// So to shim this, just open a new one.
								popup.executeScript({code: 'window.location.href = "' + location + ';"'});
							},

							search: a.search,
							hash: a.hash,
							href: a.href
						},
						close: function() {
							if (popup.close) {
								popup.close();
								try {
									popup.closed = true;
								}
								catch (_e) {}
							}
						}
					};

					// Then this URL contains information which HelloJS must process
					// URL string
					// Window - any action such as window relocation goes here
					// Opener - the parent window which opened this, aka this script

					hello.utils.responseHandler(_popup, window);

				});
			}
		}
		catch (e) {}

		return popup;
	};

})();