diff options
Diffstat (limited to 'opera/common.js')
| -rw-r--r-- | opera/common.js | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/opera/common.js b/opera/common.js new file mode 100644 index 0000000..9acd7ec --- /dev/null +++ b/opera/common.js @@ -0,0 +1,270 @@ +var browser = (function() { + var ua = navigator.userAgent.toLowerCase(); + var browser = { + id: null, + chrome: false, + safari: false, + yandex: false, + firefox: false, + opera: false + }; + + if (/opr/i.test(ua) && /chrome/i.test(ua)) { + browser.opera = true; + browser.id = 3; + } else if (/yabrowser/i.test(ua) && /chrome/i.test(ua)) { + browser.yandex = true; + browser.id = 4; + } else if (/firefox|iceweasel/i.test(ua)) { + browser.firefox = true; + browser.id = 1; + } else if (!(/chrome/i.test(ua)) && /webkit|safari|khtml/i.test(ua)) { + browser.safari = true; + browser.id = 2; + } else if (/chrome/i.test(ua)) { + browser.chrome = true; + browser.id = 0; + } + + return browser; +})(); + +function getExtensionId() { + return chrome.i18n.getMessage("@@extension_id"); +} + +function getVKTabs(callback) { + var vkTabs = []; + chrome.tabs.query({}, function(tabs) { + for (var i = 0; i < tabs.length; i++) { + var tab = tabs[i]; + if (tab.url.match(new RegExp('https?://vk.com/.*', 'gi'))) { + vkTabs.push(tab); + } + } + callback(vkTabs); + }); +} + +function extend(dest, source) { + for (var i in source) { + dest[i] = source[i]; + } + return dest; +} +function log() { + var msgs = [], i, tmp; + for (i = 0; i < arguments.length; i++) { + if (arguments[i] instanceof Error) tmp = [arguments[i], arguments[i].stack]; + else tmp = arguments[i]; + msgs.push(tmp); + } + + try { + console.log.apply(console, msgs); + } catch(e) {} +} +function intval(value) { + if (value === true) return 1; + return parseInt(value) || 0; +} +function str(v) { + var str; + if (v && v.toString) + str = v.toString(); + else + str = v + ''; + if (str == '[object Object]') { + str = JSON.stringify(v); + } + return str; +} + +var WSC_STATE_NONE = 'NONE', + WSC_STATE_OK = 'OK', + WSC_STATE_CLOSED = 'CLOSED', + WSC_STATE_ERR = 'ERR'; +function WSClient(address, protocol, opts) { + this.state = WSC_STATE_NONE; + this._ws = null; + + this.address = address; + this.protocol = protocol; + + this._onmessage = opts.onmessage; + this._onclose = opts.onclose; + this._onerror = opts.onerror; + this._onopen = opts.onopen; + + this._pingTimer = null; + this._reconnectTimer = null; +} +extend(WSClient.prototype, { + connect: function() { + this.state = WSC_STATE_NONE; + var self = this; + + var _websocket = window.WebSocket || window.MozWebSocket; + if (!_websocket) { + log('[WSClient connect] websockets are not supported'); + return; + } + + this._ws = new _websocket(this.address, this.protocol); + this._ws.onopen = function() { + self.state = WSC_STATE_OK; + self._setTimers(); + self._onopen && self._onopen.apply(self); + }; + this._ws.onerror = function() { + self._unsetTimers(); + if (self.state != WSC_STATE_ERR) { + self.state = WSC_STATE_ERR; + } + self._onerror && self._onerror.apply(self); + }; + this._ws.onclose = function() { + self._unsetTimers(); + if (self.state != WSC_STATE_ERR) { + self.state = WSC_STATE_ERR; + } + self._onclose && self._onclose.apply(self); + }; + this._ws.onmessage = function(e) { + self._onmessage && self._onmessage.apply(self, [e.data]); + }; + }, + close: function() { + this._unsetTimers(); + this._ws.close(); + }, + reconnect: function() { + var self = this; + if (this.state == WSC_STATE_OK) { + log('[WSClient reconnect] state = '+this.state+', why reconnect?'); + return; + } + clearTimeout(this._reconnectTimer); + this._reconnectTimer = setTimeout(function() { + self.connect(); + }, 3000); + }, + send: function(obj) { + obj._browser = browser.id; + var self = this; + this._waitForConnection(function() { + self._ws.send(JSON.stringify(obj)); + }, 200); + }, + _setTimers: function() { + var self = this; + this._pingTimer = setInterval(function() { + try { + self._ws.send("PING"); + } catch (e) { + log('[WSClient _pingTimer]', e); + } + }, 30000); + }, + _unsetTimers: function() { + clearInterval(this._pingTimer); + }, + _waitForConnection: function(callback, interval) { + if (this._ws.readyState === 1) { + callback(); + } else { + var self = this; + setTimeout(function() { + self._waitForConnection(callback, interval); + }, interval); + } + } +}); + +(function(window, document) { + var queue = [], done = false, _top = true, root = document.documentElement, eventsAdded = false; + + function init(e) { + if (e.type == 'readystatechange' && document.readyState != 'complete') return; + (e.type == 'load' ? window : document).removeEventListener(e.type, init); + if (!done) { + done = true; + while (queue.length) { + queue.shift().call(window); + } + } + } + function poll() { + try { + root.doScroll('left'); + } catch (e) { + setTimeout(poll, 50); + return; + } + init('poll'); + } + + window.DOMContentLoaded = function(fn) { + if (document.readyState == 'complete' || done) { + fn.call(window); + } else { + queue.push(fn); + + if (!eventsAdded) { + if (document.createEventObject && root.doScroll) { + try { + _top = !window.frameElement; + } catch (e) {} + if (_top) poll(); + } + + document.addEventListener('DOMContentLoaded', init); + document.addEventListener('readystatechange', init); + window.addEventListener('load', init); + eventsAdded = true; + } + } + } +})(window, document); + +var Injections = { + id: 0, + objs: {}, + getNextId: function() { + if (this.id == Number.MAX_VALUE) { + this.id = -1; + } + return ++this.id; + }, + get: function(id) { + return this.objs[id] || false; + }, + register: function(id, obj) { + this.objs[id] = obj; + }, + unregister: function(id) { + if (this.objs[id] !== undefined) delete this.objs[id]; + } +}; + +function InjectionResponses(id, count, callback) { + this.id = id; + this.results = []; + this.lsSource = null; + this.maxCount = count; + this.callback = callback || function() {}; + + Injections.register(this.id, this); +} +extend(InjectionResponses.prototype, { + addResponse: function(id, response) { + this.results.push({tab: id, data: response}); + if (!this.lsSource && response && response.lastInstanceId) this.lsSource = response.lastInstanceId; + if (this.results.length == this.maxCount) { + this.callback(); + } + }, + unregister: function() { + Injections.unregister(this.id); + } +}); |