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-rw-r--r--program/js/app.js236
1 files changed, 194 insertions, 42 deletions
diff --git a/program/js/app.js b/program/js/app.js
index 9825c18c1..095c89d3a 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -6,7 +6,7 @@
| Copyright (C) 2005, RoundCube Dev, - Switzerland |
| Licensed under the GNU GPL |
| |
- | Modified: 2005/11/08 (roundcube) |
+ | Modified: 2005/11/13 (roundcube) |
| |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
@@ -33,6 +33,7 @@ function rcube_webmail()
this.dblclick_time = 600;
this.message_time = 5000;
this.request_timeout = 180000;
+ this.kepp_alive_interval = 60000;
this.mbox_expression = new RegExp('[^0-9a-z\-_]', 'gi');
this.env.blank_img = 'skins/default/images/blank.gif';
@@ -217,6 +218,10 @@ function rcube_webmail()
// show message
if (this.pending_message)
this.display_message(this.pending_message[0], this.pending_message[1]);
+
+ // start interval for keep-alive siganl
+ if (this.kepp_alive_interval)
+ this.kepp_alive_int = setInterval(this.ref+'.send_keep_alive()', this.kepp_alive_interval);
};
@@ -1189,7 +1194,7 @@ function rcube_webmail()
// send request to server
var url = '_mbox='+escape(mbox)+(page ? '&_page='+page : '');
this.set_busy(true, 'loading');
- this.http_request('list', url+add_url);
+ this.http_request('list', url+add_url, true);
};
@@ -1217,13 +1222,18 @@ function rcube_webmail()
this.message_rows[id].obj.style.display = 'none';
}
}
+
+ var lock = false;
// show wait message
if (this.env.action=='show')
+ {
+ lock = true;
this.set_busy(true, 'movingmessage');
+ }
// send request to server
- this.http_request('moveto', '_uid='+a_uids.join(',')+'&_mbox='+escape(this.env.mailbox)+'&_target_mbox='+escape(mbox)+'&_from='+(this.env.action ? this.env.action : ''));
+ this.http_request('moveto', '_uid='+a_uids.join(',')+'&_mbox='+escape(this.env.mailbox)+'&_target_mbox='+escape(mbox)+'&_from='+(this.env.action ? this.env.action : ''), lock);
};
@@ -1692,7 +1702,7 @@ function rcube_webmail()
// send request to server
var url = page ? '&_page='+page : '';
this.set_busy(true, 'loading');
- this.http_request('list', url);
+ this.http_request('list', url, true);
};
@@ -1834,7 +1844,7 @@ function rcube_webmail()
name = form.elements['_folder_name'].value;
if (name)
- this.http_request('create-folder', '_name='+escape(name));
+ this.http_request('create-folder', '_name='+escape(name), true);
else if (form.elements['_folder_name'])
form.elements['_folder_name'].focus();
};
@@ -2346,18 +2356,29 @@ function rcube_webmail()
/********************************************************/
- // send a http request to the server
- this.http_request = function(action, querystring)
+ this.http_sockets = new Array();
+
+ // find a non-busy socket or create a new one
+ this.get_request_obj = function()
{
- if (window.XMLHttpRequest)
- this.request_obj = new XMLHttpRequest();
- else if (window.ActiveXObject)
- this.request_obj = new ActiveXObject("Microsoft.XMLHTTP");
- else
+ for (var n=0; n<this.http_sockets.length; n++)
{
-
+ if (!this.http_sockets[n].busy)
+ return this.http_sockets[n];
}
+
+ // create a new XMLHTTP object
+ var i = this.http_sockets.length;
+ this.http_sockets[i] = new rcube_http_request();
+
+ return this.http_sockets[i];
+ };
+
+ // send a http request to the server
+ this.http_request = function(action, querystring, lock)
+ {
+ var request_obj = this.get_request_obj();
querystring += '&_remote=1';
// add timestamp to request url to avoid cacheing problems in Safari
@@ -2365,53 +2386,79 @@ function rcube_webmail()
querystring += '&_ts='+(new Date().getTime());
// send request
- if (this.request_obj)
+ if (request_obj)
{
// prompt('request', this.env.comm_path+'&_action='+escape(action)+'&'+querystring);
console('HTTP request: '+this.env.comm_path+'&_action='+escape(action)+'&'+querystring);
- this.set_busy(true);
- this.request_action = action;
- this.request_obj.onreadystatechange = function(){ rcube_webmail_client.http_response(); };
- this.request_obj.open('GET', this.env.comm_path+'&_action='+escape(action)+'&'+querystring);
- this.request_obj.send(null);
+
+ if (lock)
+ this.set_busy(true);
+
+ request_obj.__lock = lock ? true : false;
+ request_obj.__action = action;
+ request_obj.onerror = function(o){ rcube_webmail_client.http_error(o); };
+ request_obj.oncomplete = function(o){ rcube_webmail_client.http_response(o); };
+ request_obj.GET(this.env.comm_path+'&_action='+escape(action)+'&'+querystring);
}
};
- // handle http response
- this.http_response = function()
+ // handle HTTP response
+ this.http_response = function(request_obj)
{
- if (this.request_obj.readyState == 4) // || this.request_obj.readyState == 2)
- {
- var ctype = this.request_obj.getResponseHeader('Content-Type');
- if (ctype)
- ctype = String(ctype).toLowerCase();
+ var ctype = request_obj.get_header('Content-Type');
+ if (ctype)
+ ctype = String(ctype).toLowerCase();
+ if (request_obj.__lock)
this.set_busy(false);
- console(this.request_obj.responseText);
+ console(request_obj.responseText);
- // if we get javascript code from server -> execute it
- if (this.request_obj.responseText && (ctype=='text/javascript' || ctype=='application/x-javascript'))
- eval(this.request_obj.responseText);
+ // if we get javascript code from server -> execute it
+ if (request_obj.responseText && (ctype=='text/javascript' || ctype=='application/x-javascript'))
+ eval(request_obj.responseText);
- // process the response data according to the sent action
- switch (this.request_action)
- {
- case 'delete':
- case 'moveto':
- if (this.env.action=='show')
- this.command('list');
- break;
+ // process the response data according to the sent action
+ switch (request_obj.__action)
+ {
+ case 'delete':
+ case 'moveto':
+ if (this.env.action=='show')
+ this.command('list');
+ break;
- case 'list':
- this.enable_command('select-all', 'select-none', this.env.messagecount ? true : false);
- break;
- }
+ case 'list':
+ this.enable_command('select-all', 'select-none', this.env.messagecount ? true : false);
+ break;
}
+
+ request_obj.reset();
};
+ // handle HTTP request errors
+ this.http_error = function(request_obj)
+ {
+ alert('Error sending request: '+request_obj.url);
+
+ if (request_obj.__lock)
+ this.set_busy(false);
+
+ request_obj.reset();
+ request_obj.__lock = false;
+ };
+
+
+ // use an image to send a keep-alive siganl to the server
+ this.send_keep_alive = function()
+ {
+ var d = new Date();
+ this.http_request('keep-alive', '_t='+d.getTime());
+ };
+
+
+
/********************************************************/
/********* helper methods *********/
/********************************************************/
@@ -2525,6 +2572,111 @@ function rcube_webmail()
+// class for HTTP requests
+function rcube_http_request()
+ {
+ this.url = '';
+ this.busy = false;
+ this.xmlhttp = null;
+
+
+ // reset object properties
+ this.reset = function()
+ {
+ // set unassigned event handlers
+ this.onloading = function(){ };
+ this.onloaded = function(){ };
+ this.oninteractive = function(){ };
+ this.oncomplete = function(){ };
+ this.onabort = function(){ };
+ this.onerror = function(){ };
+
+ this.url = '';
+ this.busy = false;
+ this.xmlhttp = null;
+ }
+
+
+ // create HTMLHTTP object
+ this.build = function()
+ {
+ if (window.XMLHttpRequest)
+ this.xmlhttp = new XMLHttpRequest();
+ else if (window.ActiveXObject)
+ this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
+ else
+ {
+
+ }
+ }
+
+ // sedn GET request
+ this.GET = function(url)
+ {
+ this.build();
+
+ if (!this.xmlhttp)
+ {
+ this.onerror(this);
+ return false;
+ }
+
+ var ref = this;
+ this.url = url;
+ this.busy = true;
+
+ this.xmlhttp.onreadystatechange = function(){ ref.xmlhttp_onreadystatechange(); };
+ this.xmlhttp.open('GET', url);
+ this.xmlhttp.send(null);
+ };
+
+
+ this.POST = function(url, a_param)
+ {
+ // not implemented yet
+ };
+
+
+ // handle onreadystatechange event
+ this.xmlhttp_onreadystatechange = function()
+ {
+ if(this.xmlhttp.readyState == 1)
+ this.onloading(this);
+
+ else if(this.xmlhttp.readyState == 2)
+ this.onloaded(this);
+
+ else if(this.xmlhttp.readyState == 3)
+ this.oninteractive(this);
+
+ else if(this.xmlhttp.readyState == 4)
+ {
+ this.responseText = this.xmlhttp.responseText;
+ this.responseXML = this.xmlhttp.responseXML;
+
+ if(this.xmlhttp.status == 0)
+ this.onabort(this);
+ else if(this.xmlhttp.status == 200)
+ this.oncomplete(this);
+ else
+ this.onerror(this);
+
+ this.busy = false;
+ }
+ }
+
+ // getter method for HTTP headers
+ this.get_header = function(name)
+ {
+ return this.xmlhttp.getResponseHeader(name);
+ };
+
+
+ this.reset();
+
+ } // end class rcube_http_request
+
+
function console(str)
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 19:01:52 +0000