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egroupware_official/notifications/js/notificationajaxpopup.js
2013-09-04 22:58:29 +00:00

226 lines
6.7 KiB
JavaScript

/**
* EGroupware Notifications - clientside javascript
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package notifications
* @subpackage ajaxpoup
* @link http://www.egroupware.org
* @author Cornelius Weiss <nelius@cwtech.de>, Christian Binder <christian@jaytraxx.de>, Ralf Becker <rb@stylite.de>
* @version $Id$
*/
/**
* Installs app.notifications used to poll notifications from server and display them
*/
(function()
{
var notifymessages = {};
var EGW_BROWSER_NOTIFY_ALLOWED = 0;
/**
* Constructor inits polling and installs handlers, polling frequence is passed via data-poll-interval of script tag
*/
function notifications() {
var notification_script = document.getElementById('notifications_script_id');
var popup_poll_interval = notification_script && notification_script.getAttribute('data-poll-interval');
this.setTimeout(popup_poll_interval || 60);
var self = this;
jQuery('#egwpopup_ok_button').click(function() { self.button_ok.apply(self); });
jQuery('#egwpopup_close_button').click(function() { self.button_close.apply(self); });
jQuery('#notificationbell').click(function() { self.display.apply(self); });
};
/**
* Poll server in given frequency via Ajax
* @param _i
*/
notifications.prototype.setTimeout = function(_i) {
var self = this;
window.setTimeout(function(){
var request = egw.json(
"notifications.notifications_ajax.get_notifications",
self.check_browser_notify()
);
request.sendRequest();
self.setTimeout(_i);
}, _i*1000);
};
/**
* Check to see if browser supports / allows desktop notifications
*/
notifications.prototype.check_browser_notify = function() {
return window.webkitNotifications && window.webkitNotifications.checkPermission() == EGW_BROWSER_NOTIFY_ALLOWED;
};
/**
* Display notifications window
*/
notifications.prototype.display = function() {
var egwpopup;
var egwpopup_message;
var Browserwidth;
var Browserheight;
var egwpopup_ok_button;
egwpopup = document.getElementById("egwpopup");
egwpopup_message = document.getElementById("egwpopup_message");
egwpopup_ok_button = document.getElementById("egwpopup_ok_button");
egwpopup.style.display = "block";
egwpopup.style.position = "absolute";
egwpopup.style.width = "500px";
Browserwidth = (window.innerWidth || document.body.clientWidth || 640);
Browserheight = (window.innerHeight || document.body.clientHeight || 480);
egwpopup.style.left = (Browserwidth/2 - 250) + "px";
egwpopup.style.top = (Browserheight/4) + "px";
egwpopup_message.style.maxHeight = (Browserheight/2) + "px";
for(var show in notifymessages) break;
egwpopup_message.innerHTML = notifymessages[show];
var num = 0;
for(var id in notifymessages) ++num;
if(num-1 > 0 ) {
egwpopup_ok_button.value = "OK (" + (num-1) + ")";
} else {
egwpopup_ok_button.value = "OK";
}
if(window.webkitNotifications && window.webkitNotifications.checkPermission() != EGW_BROWSER_NOTIFY_ALLOWED &&
jQuery('#desktop_perms').length == 0)
{
var label = 'Desktop notifications';
try {
if(egw) label = egw.lang(label);
} catch(err) {}
var desktop_button = jQuery('<button id="desktop_perms">' + label + '</button>')
.click(function() {
window.webkitNotifications.requestPermission();
jQuery(this).hide();
});
desktop_button.appendTo(jQuery(egwpopup_ok_button).parent());
}
};
/**
* Display or hide notifcation-bell
*
* @param String mode "active"
*/
notifications.prototype.bell = function(mode) {
var notificationbell;
notificationbell = document.getElementById("notificationbell");
if(mode == "active") {
notificationbell.style.display = "inline";
} else {
notificationbell.style.display = "none";
}
};
/**
* Callback for OK button: confirms message on server and hides display
*/
notifications.prototype.button_ok = function() {
var egwpopup;
var egwpopup_message;
egwpopup = document.getElementById("egwpopup");
egwpopup_message = document.getElementById("egwpopup_message");
egwpopup_message.scrollTop = 0;
for(var confirmed in notifymessages) break;
var request = egw.json("notifications.notifications_ajax.confirm_message", [confirmed]);
request.sendRequest();
delete notifymessages[confirmed];
for(var id in notifymessages) break;
if (id == undefined) {
egwpopup.style.display = "none";
egwpopup_message.innerHTML = "";
this.bell("inactive");
} else {
this.display();
}
};
/**
* Callback for close button: close and mark all as read
*/
notifications.prototype.button_close = function() {
var ids = new Array();
for(var id in notifymessages) {
ids.push(id);
}
var request = egw.json("notifications.notifications_ajax.confirm_message", ids);
request.sendRequest();
notifymessages = {};
var egwpopup = document.getElementById("egwpopup");
var egwpopup_message = document.getElementById("egwpopup_message");
egwpopup.style.display = "none";
egwpopup_message.innerHTML = "";
this.bell("inactive");
};
/**
* Add message to internal display-queue
*
* @param _id
* @param _message
* @param _browser_notify
*/
notifications.prototype.append = function(_id, _message, _browser_notify) {
if(!this.check_browser_notify() || typeof notifymessages[_id] != 'undefined')
{
notifymessages[_id] = _message;
return;
}
// Prevent the same thing popping up multiple times
notifymessages[_id] = _message;
// Notification API
if(_browser_notify)
{
var notice = null;
if(webkitNotifications.createHTMLNotification)
{
notice = webkitNotifications.createHTMLNotification(_browser_notify);
}
else if (webkitNotifications.createNotification)
{
// Pull the subject of the messasge, if possible
var message = /<b>(.*?)<\/b>/.exec(_message);
if(message && message[1])
{
_message = message[1];
}
else
{
_message = _message.replace(/<(?:.|\n)*?>/gm, '');
}
notice = webkitNotifications.createNotification('', "Egroupware",_message);
// When they click, bring up the popup for full info
notice.onclick = function() {
window.focus();
window.app.notifications.display();
this.close();
};
}
if(notice)
{
notice.ondisplay = function() {
// Confirm when user gets to see it - no close needed
// Wait a bit to let it load first, or it might not be there when requested.
window.setTimeout( function() {
var request = egw.json("notifications.notifications_ajax.confirm_message", _id);
request.sendRequest();
}, 2000);
};
notice.show();
}
}
};
var lab = egw_LAB || $LAB;
var self = notifications;
lab.wait(function(){
if (typeof window.app == 'undefined') window.app = {};
window.app.notifications = new self();
});
})();