--- a/integ/js/vs/tweets/tweetsource.js Mon May 06 14:57:50 2013 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,268 +0,0 @@
-/* Author: Raphaël Velt, IRI
- *
- * Licence: CeCILL-B - http://www.cecill.info/licences/Licence_CeCILL-B_V1-fr.html
- *
- * */
-
-function regexpFromText(_text) {
- return new RegExp('(' + _text.replace(/(\W)/gim,'\\$1') + ')','gim');
-}
-
-Btv_TweetArray = function() {
- this.tweets = [];
- this.idIndex = [];
-}
-
-Btv_TweetArray.prototype.push = function(_tweet) {
- this.tweets.push(_tweet);
- this.idIndex.push(_tweet.id_str);
-}
-
-Btv_TweetArray.prototype.setOnAdd = function(_callback) {
- this.onAdd = _callback;
-}
-
-Btv_TweetArray.prototype.addTweet = function(_tweet) {
- if (this.idIndex.indexOf(_tweet.id_str) != -1) {
- return;
- }
- if (!_tweet.date_value) {
- _tweet.date_value = Date.parse(_tweet.created_at.replace(/(\+|-)/,'UTC$1'));
- }
- var _pos = this.tweets.length;
- while (_pos && this.idIndex[_pos - 1] > _tweet.id_str) {
- _pos--;
- }
- this.tweets.splice(_pos,0,_tweet);
- this.idIndex.splice(_pos,0,_tweet.id_str);
- if (typeof this.onAdd == "function") {
- this.onAdd(_tweet);
- }
-}
-
-Btv_TweetArray.prototype.addMultipleTweets = function(_multiTweets) {
- var _l = _multiTweets.length;
- for (var _i = 0; _i < _l; _i++) {
- this.addTweet(_multiTweets[_i], true);
- }
-}
-
-Btv_TweetArray.prototype.count = function() {
- return this.tweets.length;
-}
-
-Btv_TweetArray.prototype.tweetAtPos = function(_i) {
- return this.tweets[_i];
-}
-
-Btv_TweetArray.prototype.slice = function(_start, _end) {
- var _slice = this.tweets.slice(_start, _end),
- _result = new Btv_TweetArray(),
- _l = _slice.length;
- for (var _i = 0; _i < _l; _i++) {
- _result.push(_slice[_i]);
- }
- return _result;
-}
-
-Btv_TweetArray.prototype.reverse = function() {
- var _result = new Btv_TweetArray(),
- _l = this.tweets.length;
- for (var _i = _l-1; _i >= 0; _i--) {
- _result.push(this.tweets[_i]);
- }
- return _result;
-}
-
-Btv_TweetArray.prototype.each = function(_callback) {
- var _l = this.count();
- for (var _i = 0; _i < _l; _i++) {
- _callback(this.tweets[_i]);
- }
-}
-
-Btv_TweetArray.prototype.map = function(_callback) {
- var _result = [];
- this.each(function(_tweet) {
- _result.push(_callback(_tweet))
- });
- return _result;
-}
-
-Btv_TweetArray.prototype.search = function(_filter) {
- var _filtered = new Btv_TweetArray(),
- _reFilter = regexpFromText(_filter);
- this.each(function(_tweet) {
- var _mention = '@' + _tweet.from_user;
- if (( _tweet.text.search(_reFilter) != -1 ) || ( _mention.search(_reFilter) != -1 )) {
- _filtered.push(_tweet);
- }
- });
- return _filtered;
-}
-
-Btv_TweetArray.prototype.beforeDate = function(_date) {
- var _filtered = new Btv_TweetArray();
- this.each(function(_tweet) {
- if (_tweet.date_value <= _date) {
- _filtered.push(_tweet);
- }
- });
- return _filtered;
-}
-
-Btv_TweetArray.prototype.afterDate = function(_date) {
- var _filtered = new Btv_TweetArray();
- this.each(function(_tweet) {
- if (_tweet.date_value > _date) {
- _filtered.push(_tweet);
- }
- });
- return _filtered;
-}
-
-Btv_TweetArray.prototype.tweetById = function(_tweetId) {
- var _index = this.idIndex.indexOf(_tweetId);
- return (_index ? this.tweets[_index] : null);
-}
-
-Btv_TweetArray.prototype.lastTweet = function() {
- return this.tweets[this.tweets.length - 1];
-}
-
-/*
- *
- */
-
-Btv_TweetSource = function(_opts) {
- Btv_TweetArray.call(this);
- this.loading = false;
- if (!_opts || !_opts.keywords || !_opts.keywords.length) {
- return;
- }
- this.options = _opts;
- var _this = this;
- this.retrieveInitialTweets();
- setInterval(function() {
- _this.retrieveNewTweets();
- }, 5000);
-}
-
-Btv_TweetSource.prototype = new Btv_TweetArray();
-
-Btv_TweetSource.prototype.retrieveTweets = function(_opts) {
-
- function getTwitterUrl(url) {
- $.getJSON(url, function(data) {
- _currentPage++;
- var _isLast = true;
- if (data.results && data.results.length) {
- _this.addMultipleTweets(data.results);
- var _oldestTweetId = data.results[data.results.length - 1].id_str,
- _maxId = _oldestTweetId;
- if (_currentPage < _opts.pages) {
- _isLast = false;
- getTwitterUrl(_baseurl + _firstparams + '&max_id=' + _maxId + _lastparams);
- }
- }
-
- if (_isLast) {
- _this.loading = false;
- if (typeof _this.onNewTweets == "function") {
- _this.onNewTweets();
- }
- }
- });
- }
-
-
- if (this.loading) {
- return;
- }
- this.loading = true;
- var _baseurl = "http://search.twitter.com/search.json",
- _currentPage = 0,
- _firstparams = "?q="
- + encodeURIComponent(this.options.keywords.join(' OR '))
- + "&rpp=100"
- + (this.options.lang ? "&lang=" + this.options.lang : '' ),
- _lastparams = ( _opts.since_id ? "&since_id=" + _opts.since_id : '' )
- + "&callback=?",
- _jsonurl = _baseurl + _firstparams + _lastparams,
- _this = this;
- getTwitterUrl(_jsonurl);
-
-}
-
-Btv_TweetSource.prototype.retrieveInitialTweets = function() {
- this.retrieveTweets({
- "pages": 1
- });
-}
-
-Btv_TweetSource.prototype.retrieveNewTweets = function() {
- var _last = this.lastTweet();
- this.retrieveTweets({
- "pages": 1,
- "since_id": _last ? _last.id_str : 0
- });
-}
-
-Btv_TweetSource.prototype.setOnNewTweets = function(_callback) {
- this.onNewTweets = _callback;
-}
-
-Btv_TweetQueueManager = function(_tweetArray, _callback) {
- this.tweetArray = _tweetArray;
- this.majorInterval = 10000; // Time slices for calculating the minor Interval setting
- this.minimumInterval = 1000; // Safe limit to avoid tweets going to the wrong column
- this.initialBuffer = 300000; // don't start with empty columns, but show the tweets of the last five minutes - 5 * 60 * 1000 = 300000
- this.waitIfNoTweets = 2000;
- this.callback = _callback;
- this.lastEndTime = new Date().valueOf() - this.initialBuffer;
- this.isPaused = false;
- this.onMajorInterval();
-}
-
-Btv_TweetQueueManager.prototype.onMinorInterval = function() {
- if (this.isPaused) {
- this.waitMinorInterval();
- } else {
- var _l = this.currentSlice.count();
- if (this.position < _l) {
- this.callback(this.currentSlice.tweetAtPos(this.position));
- this.position++;
- this.waitMinorInterval();
- } else {
- this.onMajorInterval();
- }
- }
-}
-
-Btv_TweetQueueManager.prototype.waitMinorInterval = function() {
- var _this = this;
- window.setTimeout(function() {
- _this.onMinorInterval();
- }, this.minorInterval);
-}
-
-Btv_TweetQueueManager.prototype.onMajorInterval = function() {
- this.position = 0;
- this.currentSlice = this.tweetArray.afterDate(this.lastEndTime);
- var _l = this.currentSlice.count();
- if (_l) {
- this.lastEndTime = this.currentSlice.tweetAtPos(_l - 1).date_value;
- this.minorInterval = Math.floor(Math.max(this.minimumInterval, this.majorInterval / _l));
- this.onMinorInterval();
- } else {
- var _this = this;
- window.setTimeout(function() {
- _this.onMajorInterval();
- }, this.waitIfNoTweets);
- }
-}
-
-Btv_TweetQueueManager.prototype.playPause = function() {
- this.isPaused = !this.isPaused;
- return this.isPaused;
-}