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Update flashsocket

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This commit is contained in:
Raphael 2010-11-04 12:01:39 -07:00
parent 9389d99ba8
commit 152025f912
3 changed files with 168 additions and 92 deletions
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2
public/javascripts/FABridge.js
View file

@ -362,7 +362,7 @@ FABridge.prototype =
// accepts a type structure, returns a constructed type
addTypeDataToCache: function(typeData)
{
newType = new ASProxy(this, typeData.name);
var newType = new ASProxy(this, typeData.name);
var accessors = typeData.accessors;
for (var i = 0; i < accessors.length; i++)
{

BIN
public/javascripts/WebSocketMain.swf
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258
public/javascripts/web_socket.js
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@ -1,5 +1,5 @@
// Copyright: Hiroshi Ichikawa <http://gimite.net/en/>
// Lincense: New BSD Lincense
// License: New BSD License
// Reference: http://dev.w3.org/html5/websockets/
// Reference: http://tools.ietf.org/html/draft-hixie-thewebsocketprotocol
@ -10,83 +10,104 @@
var console = window.console;
if (!console) console = {log: function(){ }, error: function(){ }};
function hasFlash() {
if ('navigator' in window && 'plugins' in navigator && navigator.plugins['Shockwave Flash']) {
return !!navigator.plugins['Shockwave Flash'].description;
}
if ('ActiveXObject' in window) {
try {
return !!new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
} catch (e) {}
}
return false;
}
if (!hasFlash()) {
if (!swfobject.hasFlashPlayerVersion("9.0.0")) {
console.error("Flash Player is not installed.");
return;
}
if (location.protocol == "file:") {
console.error(
"WARNING: web-socket-js doesn't work in file:///... URL " +
"unless you set Flash Security Settings properly. " +
"Open the page via Web server i.e. http://...");
}
WebSocket = function(url, protocol, proxyHost, proxyPort, headers) {
var self = this;
self.readyState = WebSocket.CONNECTING;
self.bufferedAmount = 0;
WebSocket.__addTask(function() {
self.__flash =
WebSocket.__flash.create(url, protocol, proxyHost || null, proxyPort || 0, headers || null);
self.__flash.addEventListener("open", function(fe) {
try {
if (self.onopen) self.onopen();
} catch (e) {
console.error(e.toString());
}
// Uses setTimeout() to make sure __createFlash() runs after the caller sets ws.onopen etc.
// Otherwise, when onopen fires immediately, onopen is called before it is set.
setTimeout(function() {
WebSocket.__addTask(function() {
self.__createFlash(url, protocol, proxyHost, proxyPort, headers);
});
self.__flash.addEventListener("close", function(fe) {
try {
if (self.onclose) self.onclose();
} catch (e) {
console.error(e.toString());
}
});
self.__flash.addEventListener("message", function(fe) {
var data = decodeURIComponent(fe.getData());
try {
if (self.onmessage) {
var e;
if (window.MessageEvent) {
e = document.createEvent("MessageEvent");
e.initMessageEvent("message", false, false, data, null, null, window);
} else { // IE
e = {data: data};
}
self.onmessage(e);
}
} catch (e) {
console.error(e.toString());
}
});
self.__flash.addEventListener("stateChange", function(fe) {
try {
self.readyState = fe.getReadyState();
self.bufferedAmount = fe.getBufferedAmount();
} catch (e) {
console.error(e.toString());
}
});
//console.log("[WebSocket] Flash object is ready");
});
}, 1);
}
WebSocket.prototype.__createFlash = function(url, protocol, proxyHost, proxyPort, headers) {
var self = this;
self.__flash =
WebSocket.__flash.create(url, protocol, proxyHost || null, proxyPort || 0, headers || null);
self.__flash.addEventListener("open", function(fe) {
try {
self.readyState = self.__flash.getReadyState();
if (self.__timer) clearInterval(self.__timer);
if (window.opera) {
// Workaround for weird behavior of Opera which sometimes drops events.
self.__timer = setInterval(function () {
self.__handleMessages();
}, 500);
}
if (self.onopen) self.onopen();
} catch (e) {
console.error(e.toString());
}
});
self.__flash.addEventListener("close", function(fe) {
try {
self.readyState = self.__flash.getReadyState();
if (self.__timer) clearInterval(self.__timer);
if (self.onclose) self.onclose();
} catch (e) {
console.error(e.toString());
}
});
self.__flash.addEventListener("message", function() {
try {
self.__handleMessages();
} catch (e) {
console.error(e.toString());
}
});
self.__flash.addEventListener("error", function(fe) {
try {
if (self.__timer) clearInterval(self.__timer);
if (self.onerror) self.onerror();
} catch (e) {
console.error(e.toString());
}
});
self.__flash.addEventListener("stateChange", function(fe) {
try {
self.readyState = self.__flash.getReadyState();
self.bufferedAmount = fe.getBufferedAmount();
} catch (e) {
console.error(e.toString());
}
});
//console.log("[WebSocket] Flash object is ready");
};
WebSocket.prototype.send = function(data) {
if (this.__flash) {
this.readyState = this.__flash.getReadyState();
}
if (!this.__flash || this.readyState == WebSocket.CONNECTING) {
throw "INVALID_STATE_ERR: Web Socket connection has not been established";
}
var result = this.__flash.send(data);
// We use encodeURIComponent() here, because FABridge doesn't work if
// the argument includes some characters. We don't use escape() here
// because of this:
// https://developer.mozilla.org/en/Core_JavaScript_1.5_Guide/Functions#escape_and_unescape_Functions
// But it looks decodeURIComponent(encodeURIComponent(s)) doesn't
// preserve all Unicode characters either e.g. "\uffff" in Firefox.
var result = this.__flash.send(encodeURIComponent(data));
if (result < 0) { // success
return true;
} else {
@ -96,14 +117,21 @@
};
WebSocket.prototype.close = function() {
if (!this.__flash) return;
if (this.readyState != WebSocket.OPEN) return;
this.__flash.close();
var self = this;
if (!self.__flash) return;
self.readyState = self.__flash.getReadyState();
if (self.readyState == WebSocket.CLOSED || self.readyState == WebSocket.CLOSING) return;
self.__flash.close();
// Sets/calls them manually here because Flash WebSocketConnection.close cannot fire events
// which causes weird error:
// > You are trying to call recursively into the Flash Player which is not allowed.
this.readyState = WebSocket.CLOSED;
if (this.onclose) this.onclose();
self.readyState = WebSocket.CLOSED;
if (self.__timer) clearInterval(self.__timer);
if (self.onclose) {
// Make it asynchronous so that it looks more like an actual
// close event
setTimeout(self.onclose, 1);
}
};
/**
@ -122,7 +150,7 @@
this.__events[type] = [];
if ('function' == typeof this['on' + type]) {
this.__events[type].defaultHandler = this['on' + type];
this['on' + type] = WebSocket_FireEvent(this, type);
this['on' + type] = this.__createEventHandler(this, type);
}
}
this.__events[type].push(listener);
@ -171,12 +199,35 @@
}
};
WebSocket.prototype.__handleMessages = function() {
// Gets data using readSocketData() instead of getting it from event object
// of Flash event. This is to make sure to keep message order.
// It seems sometimes Flash events don't arrive in the same order as they are sent.
var arr = this.__flash.readSocketData();
for (var i = 0; i < arr.length; i++) {
var data = decodeURIComponent(arr[i]);
try {
if (this.onmessage) {
var e;
if (window.MessageEvent && !window.opera) {
e = document.createEvent("MessageEvent");
e.initMessageEvent("message", false, false, data, null, null, window, null);
} else { // IE and Opera, the latter one truncates the data parameter after any 0x00 bytes
e = {data: data};
}
this.onmessage(e);
}
} catch (e) {
console.error(e.toString());
}
}
};
/**
*
* @param {object} object
* @param {string} type
*/
function WebSocket_FireEvent(object, type) {
WebSocket.prototype.__createEventHandler = function(object, type) {
return function(data) {
var event = new WebSocketEvent();
event.initEvent(type, true, true);
@ -242,30 +293,45 @@
WebSocket.CONNECTING = 0;
WebSocket.OPEN = 1;
WebSocket.CLOSED = 2;
WebSocket.CLOSING = 2;
WebSocket.CLOSED = 3;
WebSocket.__tasks = [];
WebSocket.__initialize = function() {
if (!WebSocket.__swfLocation) {
//console.error("[WebSocket] set WebSocket.__swfLocation to location of WebSocketMain.swf");
//return;
WebSocket.__swfLocation = "js/WebSocketMain.swf";
if (WebSocket.__swfLocation) {
// For backword compatibility.
window.WEB_SOCKET_SWF_LOCATION = WebSocket.__swfLocation;
}
if (!window.WEB_SOCKET_SWF_LOCATION) {
console.error("[WebSocket] set WEB_SOCKET_SWF_LOCATION to location of WebSocketMain.swf");
return;
}
var container = document.createElement("div");
container.id = "webSocketContainer";
// Puts the Flash out of the window. Note that we cannot use display: none or visibility: hidden
// here because it prevents Flash from loading at least in IE.
// Hides Flash box. We cannot use display: none or visibility: hidden because it prevents
// Flash from loading at least in IE. So we move it out of the screen at (-100, -100).
// But this even doesn't work with Flash Lite (e.g. in Droid Incredible). So with Flash
// Lite, we put it at (0, 0). This shows 1x1 box visible at left-top corner but this is
// the best we can do as far as we know now.
container.style.position = "absolute";
container.style.left = "-100px";
container.style.top = "-100px";
if (WebSocket.__isFlashLite()) {
container.style.left = "0px";
container.style.top = "0px";
} else {
container.style.left = "-100px";
container.style.top = "-100px";
}
var holder = document.createElement("div");
holder.id = "webSocketFlash";
container.appendChild(holder);
document.body.appendChild(container);
// See this article for hasPriority:
// http://help.adobe.com/en_US/as3/mobile/WS4bebcd66a74275c36cfb8137124318eebc6-7ffd.html
swfobject.embedSWF(
WebSocket.__swfLocation, "webSocketFlash", "8", "8", "9.0.0",
null, {bridgeName: "webSocket"}, null, null,
WEB_SOCKET_SWF_LOCATION, "webSocketFlash",
"1" /* width */, "1" /* height */, "9.0.0" /* SWF version */,
null, {bridgeName: "webSocket"}, {hasPriority: true, allowScriptAccess: "always"}, null,
function(e) {
if (!e.success) console.error("[WebSocket] swfobject.embedSWF failed");
}
@ -275,6 +341,7 @@
//console.log("[WebSocket] FABridge initializad");
WebSocket.__flash = FABridge.webSocket.root();
WebSocket.__flash.setCallerUrl(location.href);
WebSocket.__flash.setDebug(!!window.WEB_SOCKET_DEBUG);
for (var i = 0; i < WebSocket.__tasks.length; ++i) {
WebSocket.__tasks[i]();
}
@ -291,22 +358,31 @@
} else {
WebSocket.__tasks.push(task);
}
}
};
WebSocket.__isFlashLite = function() {
if (!window.navigator || !window.navigator.mimeTypes) return false;
var mimeType = window.navigator.mimeTypes["application/x-shockwave-flash"];
if (!mimeType || !mimeType.enabledPlugin || !mimeType.enabledPlugin.filename) return false;
return mimeType.enabledPlugin.filename.match(/flashlite/i) ? true : false;
};
// called from Flash
function webSocketLog(message) {
window.webSocketLog = function(message) {
console.log(decodeURIComponent(message));
}
};
// called from Flash
function webSocketError(message) {
window.webSocketError = function(message) {
console.error(decodeURIComponent(message));
}
};
if (window.addEventListener) {
window.addEventListener("load", WebSocket.__initialize, false);
} else {
window.attachEvent("onload", WebSocket.__initialize);
if (!window.WEB_SOCKET_DISABLE_AUTO_INITIALIZATION) {
if (window.addEventListener) {
window.addEventListener("load", WebSocket.__initialize, false);
} else {
window.attachEvent("onload", WebSocket.__initialize);
}
}
})();