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Twittia/TwittiaCore.js
2011-06-25 21:55:45 +02:00

370 lines
11 KiB
JavaScript

//
// TwittiaCore.js
// Twittia 2
//
// Created by Jeena on 15.04.10.
// Licence: BSD (see attached LICENCE.txt file).
//
API_PATH = "http://api.twitter.com/1/";
WEBSITE_PATH = "http://twitter.com/";
//API_PATH = "http://identi.ca/api/";
function Twittia(action) {
this.max_length = 100;
this.since_id;
this.timeout = 2 * 60 * 1000;
this.action = action;
this.getNewData();
this.unread_mentions = 0;
this.body = document.createElement("ol");
this.body.className = this.action;
}
Twittia.prototype.newStatus = function(status, supress_new_with_timeout) {
if(status != null) {
for(var i = status.length-1, c=0; i>=c; --i) {
if(this.body.childNodes.length > 0) {
if(this.body.childNodes.length > this.max_length) {
this.body.removeChild(this.body.lastChild);
}
this.body.insertBefore(this.getItem(status[i]), this.body.firstChild);
} else {
this.body.appendChild(this.getItem(status[i]));
}
}
}
if(!supress_new_with_timeout) {
var _this = this;
setTimeout(function() { _this.getNewData() }, this.timeout);
}
if(this.action == "mentions" && this.is_not_init) {
this.unread_mentions += status.length;
controller.unreadMentions_(this.unread_mentions);
}
this.is_not_init = true;
}
Twittia.prototype.getItem = function(status) {
var _this = this;
this.since_id = status.id_str;
if(status.retweeted_status != null) {
var original_status = status;
var status = status.retweeted_status;
}
var template = this.getTemplate();
/*
template.item.id = "id-" + status.id_str;
template.item.onmousedown = function(e) { if(e.button == 2) {
var target = e.target;
while(target.nodeName != "LI" && target != null) {
target = target.parentNode;
}
alert(target.id);
}}*/
template.reply_to.onclick = function() { replyTo(status.user.screen_name, status.id_str); return false; }
template.retweet.onclick = function() { template.retweet.className = "hidden"; _this.retweet(status.id_str, template.item); return false; }
template.image.src = status.user.profile_image_url;
template.username.innerText = status.user.screen_name;
template.username.href = WEBSITE_PATH + status.user.screen_name
if(original_status != null) {
var retweeted = document.createElement("span")
retweeted.className = "retweeted";
var retweeted_icon = document.createElement("span");
retweeted_icon.innerText = " ";
retweeted.appendChild(retweeted_icon);
var retweeted_by = document.createElement("a");
retweeted_by.innerText = original_status.user.screen_name + " ";
retweeted_by.href = WEBSITE_PATH + original_status.user.screen_name;
retweeted.appendChild(document.createTextNode("@"));
retweeted.appendChild(retweeted_by);
template.in_reply.parentNode.parentNode.insertBefore(retweeted, template.in_reply.parent);
}
if(status.in_reply_to_status_id_str != null) template.in_reply.innerText = status.in_reply_to_screen_name;
else template.in_reply.parentNode.className = "hidden";
template.in_reply.href = WEBSITE_PATH + status.in_reply_to_screen_name + "/status/" + status.in_reply_to_status_id_str;
template.message.innerHTML = replaceTwitterLinks(replaceURLWithHTMLLinks(status.text));
var time = document.createElement("abbr");
time.innerText = status.created_at;
time.title = status.created_at;
time.className = "timeago";
$(time).timeago();
template.ago.appendChild(time);
template.ago.href = WEBSITE_PATH + status.user.screen_name + "/status/" + status.id_str;
// {"type":"Point","coordinates":[57.10803113,12.25854746]}
if (status.geo && status.geo.type == "Point") {
template.geo.href = "http://maps.google.com/maps?q=" + status.geo.coordinates[0] + "," + status.geo.coordinates[1];
template.geo.style.display = "";
}
template.source.innerHTML = status.source;
return template.item;
}
Twittia.prototype.getTemplate = function() {
if(this.template == "undefined") {
return jQuery.extend(true, {}, this.template);
}
var a = document.createElement("a");
var item = document.createElement("li");
var reply_to = a.cloneNode();
reply_to.className = "reply_to"
reply_to.innerText = " ";
reply_to.href = "#";
item.appendChild(reply_to);
var retweet = a.cloneNode();
retweet.className = "retweet";
retweet.innerText = " ";
retweet.href = "#";
item.appendChild(retweet);
var image = document.createElement("img");
image.className = "image";
image.onmousedown = function(e) { e.preventDefault(); };
item.appendChild(image);
var image_username = a.cloneNode();
image.appendChild(image_username);
var data = document.createElement("div");
data.className = "data";
item.appendChild(data);
var head = document.createElement("h1");
data.appendChild(head);
var username = a.cloneNode();
head.appendChild(username);
var in_reply = document.createElement("span");
in_reply.className = "reply";
head.appendChild(in_reply);
var space = document.createTextNode(" ");
head.appendChild(space);
var geo = document.createElement("a");
geo.style.display = "none";
head.appendChild(geo);
var pin = document.createElement("img");
pin.src = "pin.png";
pin.alt = "Map link";
geo.appendChild(pin);
var in_reply_text = document.createTextNode(" in reply to ");
in_reply.appendChild(in_reply_text)
var in_reply_a = a.cloneNode();
in_reply.appendChild(in_reply_a);
var message = document.createElement("p");
message.className = "message";
data.appendChild(message);
var date = message.cloneNode();
date.className = "date";
data.appendChild(date);
var ago = a.cloneNode();
date.appendChild(ago);
var from = document.createTextNode(" from ");
date.appendChild(from)
var source = document.createElement("span");
source.className = "source";
date.appendChild(source)
this.template = {
item: item,
reply_to: reply_to,
retweet: retweet,
image: image,
username: username,
in_reply: in_reply_a,
message: message,
ago: ago,
source: source,
geo: geo
}
return jQuery.extend(true, {}, this.template);
}
Twittia.prototype.getNewData = function(supress_new_with_timeout) {
var url = API_PATH + "statuses/" + this.action + ".json"
var parameters = {count: this.max_length}
if(this.since_id) parameters.since_id = this.since_id
var url2 = "?count=" + this.max_length;
if(this.since_id) url2 += "&since_id=" + this.since_id;
var _this = this;
var message = { method:"GET" , action:url, parameters: parameters };
OAuth.completeRequest(message,
{ consumerKey : controller.oauth.consumerToken.key
, consumerSecret: controller.oauth.consumerToken.secret
, token : controller.oauth.accessToken.key
, tokenSecret : controller.oauth.accessToken.secret
});
$.ajax(
{ beforeSend: function(xhr) {
xhr.setRequestHeader("Authorization", OAuth.getAuthorizationHeader("", message.parameters));
},
url: url + url2,
dataType: 'json',
success: function(data) {
_this.newStatus(data, supress_new_with_timeout);
},
error:function (xhr, ajaxOptions, thrownError){
alert(xhr.status);
alert(thrownError);
setTimeout(function() { _this.getNewData(supress_new_with_timeout) }, this.timeout);
}
}
);
}
Twittia.prototype.sendNewTweet = function(tweet, in_reply_to_status_id) {
var url = API_PATH + "statuses/update.json";
var data = "source=twittia&status=" + OAuth.percentEncode(tweet);
if(in_reply_to_status_id != '') data += "&in_reply_to_status_id=" + in_reply_to_status_id
var parameters = { source: "twittia", status: tweet };
if(in_reply_to_status_id != '') parameters.in_reply_to_status_id = in_reply_to_status_id;
var _this = this;
var message = { method:"POST" , action:url, parameters:parameters };
OAuth.completeRequest(message,
{ consumerKey : controller.oauth.consumerToken.key
, consumerSecret: controller.oauth.consumerToken.secret
, token : controller.oauth.accessToken.key
, tokenSecret : controller.oauth.accessToken.secret
});
$.ajax({
beforeSend: function(xhr) {
xhr.setRequestHeader("Authorization", OAuth.getAuthorizationHeader("", message.parameters));
},
url: url,
type: 'POST',
data: data,
dataType: 'json',
success: function(data) {
_this.getNewData(true);
},
error:function (xhr, ajaxOptions, thrownError) {
alert(xhr.status);
alert(thrownError);
}
});
}
Twittia.prototype.retweet = function(status_id, item) {
var url = API_PATH + "statuses/retweet/" + status_id + ".json";
var _this = this;
var message = { method:"POST" , action:url };
OAuth.completeRequest(message,
{ consumerKey : controller.oauth.consumerToken.key
, consumerSecret: controller.oauth.consumerToken.secret
, token : controller.oauth.accessToken.key
, tokenSecret : controller.oauth.accessToken.secret
});
$.ajax({
beforeSend: function(xhr) {
xhr.setRequestHeader("Authorization", OAuth.getAuthorizationHeader("", message.parameters));
},
url: url,
type: 'POST',
dataType: 'json',
success: function(data) {
item.parentNode.replaceChild(_this.getItem(data), item);
},
error:function (xhr, ajaxOptions, thrownError) {
alert(xhr.status);
alert(thrownError);
}
});
}
Twittia.prototype.authorizationHeader = function(method, url, params) {
if(params == undefined)
params = '';
if(method == undefined)
method = 'GET';
var timestamp = OAuth.timestamp();
var nonce = OAuth.nonce(11);
var accessor = { consumerSecret: controller.oauth.consumerToken.secret, tokenSecret: controller.oauth.accessToken.secret };
var message = {method: method, action: url, parameters: OAuth.decodeForm(params)};
message.parameters.push(['oauth_consumer_key',controller.oauth.consumerToken.key]);
message.parameters.push(['oauth_nonce',nonce]);
message.parameters.push(['oauth_signature_method','HMAC-SHA1']);
message.parameters.push(['oauth_timestamp',timestamp]);
message.parameters.push(['oauth_token', controller.oauth.accessToken.key]);
message.parameters.push(['oauth_version','1.0']);
message.parameters.sort()
OAuth.SignatureMethod.sign(message, accessor);
return OAuth.getAuthorizationHeader("", message.parameters);
}
function replaceURLWithHTMLLinks(text) {
var exp = /(\b(https?|ftp|file):\/\/\S+)/ig;
return text.replace(exp,"<a href='$1'>$1</a>");
}
function replaceTwitterLinks(text) {
var username = /(^|\s)(@)(\w+)/ig;
var hash = /(^|\s)(#)(\w+)/ig;
text = text.replace(username, "$1$2<a href='http://twitter.com/$3'>$3</a>");
return text.replace(hash, "$1$2<a href='http://search.twitter.com/search?q=%23$3'>$3</a>");
}
function replyTo(username, status_id) {
controller.openNewTweetWindowInReplyTo_statusId_(username, status_id);
}
function loadPlugin(url) {
var plugin = document.createElement("script");
plugin.type = "text/javascript";
plugin.src = url;
document.getElementsByTagName("head")[0].appendChild(plugin);
}
var twittia_instance;