password-manager/frontend/delta/js/Clipperz/Async.js
2014-08-04 18:35:32 +02:00

716 lines
20 KiB
JavaScript

/*
Copyright 2008-2013 Clipperz Srl
This file is part of Clipperz, the online password manager.
For further information about its features and functionalities please
refer to http://www.clipperz.com.
* Clipperz is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
* Clipperz is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public
License along with Clipperz. If not, see http://www.gnu.org/licenses/.
*/
"use strict";
Clipperz.Base.module('Clipperz.Async');
Clipperz.Async.VERSION = "0.1";
Clipperz.Async.NAME = "Clipperz.Async";
Clipperz.Async.Deferred = function(aName, args) {
args = args || {};
Clipperz.Async.Deferred.superclass.constructor.call(this, args.canceller);
this._args = args;
this._name = aName || "Anonymous deferred";
this._count = 0;
this._shouldTrace = ((CLIPPERZ_DEFERRED_TRACING_ENABLED === true) || (args.trace === true));
this._vars = null;
return this;
}
//=============================================================================
Clipperz.Base.extend(Clipperz.Async.Deferred, MochiKit.Async.Deferred, {
'name': function () {
return this._name;
},
'args': function () {
return this._args;
},
//-----------------------------------------------------------------------------
'callback': function (aValue) {
if (this._shouldTrace) {
Clipperz.log("CALLBACK " + this._name, aValue);
}
if (this.chained == false) {
var deferredName = this._name;
this.addErrback(function(aResult) {
var message;
if (! (aResult instanceof MochiKit.Async.CancelledError)) {
message = "ERROR [" + deferredName + "]";
} else {
message = "CANCELLED - " + deferredName;
}
Clipperz.log(message, aResult);
return aResult;
});
if (this._shouldTrace) {
var resultMessage;
resultMessage = "RESULT " + this._name + " <==";
// this.addCallback(function(aResult) {
Clipperz.Async.Deferred.superclass.addCallback.call(this, function(aResult) {
Clipperz.log(resultMessage, aResult);
return aResult;
});
}
}
if (CLIPPERZ_DEFERRED_CALL_LOGGING_ENABLED === true) {
Clipperz.log("callback " + this._name, this);
}
return Clipperz.Async.Deferred.superclass.callback.apply(this, arguments);
},
//-----------------------------------------------------------------------------
'addCallback': function () {
var message;
if (this._shouldTrace) {
this._count ++;
message = "[" + this._count + "] " + this._name + " ";
// this.addBoth(function(aResult) {Clipperz.log(message + "-->", aResult); return aResult;});
this.addCallbacks(
function(aResult) {Clipperz.log("-OK- " + message + "-->"/*, aResult*/); return aResult;},
function(aResult) {if (! (aResult instanceof MochiKit.Async.CancelledError)) { Clipperz.log("FAIL " + message + "-->"/*, aResult*/);}; return aResult;}
);
}
Clipperz.Async.Deferred.superclass.addCallback.apply(this, arguments);
if (this._shouldTrace) {
// this.addBoth(function(aResult) {Clipperz.log(message + "<--", aResult); return aResult;});
this.addCallbacks(
function(aResult) {Clipperz.log("-OK- " + message + "<--", aResult); return aResult;},
function(aResult) {if (! (aResult instanceof MochiKit.Async.CancelledError)) { Clipperz.log("FAIL " + message + "<--", aResult);}; return aResult;}
);
}
},
//=============================================================================
'addCallbackPass': function() {
var passFunction;
passFunction = MochiKit.Base.partial.apply(null, arguments);
this.addCallback(function() {
var result;
result = arguments[arguments.length -1];
passFunction();
return result;
});
},
//-----------------------------------------------------------------------------
'addErrbackPass': function() {
var passFunction;
passFunction = MochiKit.Base.partial.apply(null, arguments);
this.addErrback(function() {
var result;
result = arguments[arguments.length -1];
passFunction();
return result;
});
},
//-----------------------------------------------------------------------------
'addBothPass': function() {
var passFunction;
passFunction = MochiKit.Base.partial.apply(null, arguments);
this.addBoth(function() {
var result;
result = arguments[arguments.length -1];
passFunction();
return result;
});
},
//-----------------------------------------------------------------------------
'addIf': function (aThenBlock, anElseBlock) {
this.addCallback(MochiKit.Base.bind(function (aValue) {
var deferredResult;
if (!MochiKit.Base.isUndefinedOrNull(aValue) && aValue) {
deferredResult = Clipperz.Async.callbacks(this._name + " <then>", aThenBlock, null, aValue);
} else {
deferredResult = Clipperz.Async.callbacks(this._name + " <else>", anElseBlock, null, aValue);
}
return deferredResult;
}))
},
//-----------------------------------------------------------------------------
'addMethod': function () {
this.addCallback(MochiKit.Base.method.apply(this, arguments));
},
//-----------------------------------------------------------------------------
'addMethodcaller': function () {
this.addCallback(MochiKit.Base.methodcaller.apply(this, arguments));
},
//=============================================================================
'addLog': function (aLog) {
if (CLIPPERZ_DEFERRED_LOGGING_ENABLED) {
this.addBothPass(function(res) {Clipperz.log(aLog + " ", res);});
}
},
//=============================================================================
'acquireLock': function (aLock) {
// this.addCallback(function (aResult) {
// return Clipperz.Async.callbacks("Clipperz.Async.acquireLock", [
// MochiKit.Base.method(aLock, 'acquire'),
// MochiKit.Base.partial(MochiKit.Async.succeed, aResult)
// ], {trace:false});
// });
this.addCallback(MochiKit.Base.method(aLock, 'acquire'));
},
'releaseLock': function (aLock) {
// this.addCallback(function (aResult) {
// return Clipperz.Async.callbacks("Clipperz.Async.release <ok>", [
// MochiKit.Base.method(aLock, 'release'),
// MochiKit.Base.partial(MochiKit.Async.succeed, aResult)
// ], {trace:false});
// });
// this.addErrback(function (aResult) {
///Clipperz.log("releaseLock.addErrback:", aResult);
// return Clipperz.Async.callbacks("Clipperz.Async.release <fail>", [
// MochiKit.Base.method(aLock, 'release'),
// MochiKit.Base.partial(MochiKit.Async.fail, aResult)
// ], {trace:false});
// });
// this.addBothPass(MochiKit.Base.method(aLock, 'release'));
this.addCallbackPass(MochiKit.Base.method(aLock, 'release'));
this.addErrback(function (anError) {
aLock.release();
return anError;
});
},
//=============================================================================
'collectResults': function (someRequests) {
this.addCallback(Clipperz.Async.collectResults(this._name + " <collect results>", someRequests, this._args));
},
'addCallbackList': function (aRequestList) {
this.addCallback(Clipperz.Async.callbacks, this._name + " <callback list>", aRequestList, this._args);
},
//=============================================================================
'vars': function () {
if (this._vars == null) {
this._vars = {}
}
return this._vars;
},
'setValue': function (aKey) {
this.addCallback(MochiKit.Base.bind(function (aValue) {
this.vars()[aKey] = aValue;
return aValue;
}, this));
},
'getValue': function (aKey) {
this.addCallback(MochiKit.Base.bind(function () {
return this.vars()[aKey];
}, this));
},
'values': function () {
this.addCallback(MochiKit.Base.bind(function () {
return this.vars();
}, this));
},
//=============================================================================
'wait': function (someSeconds) {
this.addCallback(MochiKit.Async.wait, someSeconds);
},
//=============================================================================
__syntaxFix__: "syntax fix"
});
//#############################################################################
Clipperz.Async.DeferredSynchronizer = function(aName, someMethods) {
this._name = aName || "Anonymous deferred Synchronizer";
this._methods = someMethods;
this._numberOfMethodsDone = 0;
this._methodResults = [];
this._result = new Clipperz.Async.Deferred("Clipperz.Async.DeferredSynchronizer # " + this.name(), {trace:false});
this._result.addMethod(this, 'methodResults');
this._result.addCallback(function(someResults) {
var cancels;
var errors;
var result;
cancels = MochiKit.Base.filter(function(aResult) { return (aResult instanceof MochiKit.Async.CancelledError)}, someResults);
if (cancels.length == 0) {
errors = MochiKit.Base.filter(function(aResult) { return (aResult instanceof Error)}, someResults);
if (errors.length == 0) {
// result = MochiKit.Async.succeed(someResults);
result = someResults;
} else {
result = MochiKit.Async.fail(someResults);
}
} else {
result = MochiKit.Async.fail(cancels[0]);
}
return result;
}/*, this._methodResults */);
return this;
}
MochiKit.Base.update(Clipperz.Async.DeferredSynchronizer.prototype, {
//-----------------------------------------------------------------------------
'name': function() {
return this._name;
},
//-----------------------------------------------------------------------------
'methods': function() {
return this._methods;
},
'methodResults': function() {
return this._methodResults;
},
//-----------------------------------------------------------------------------
'result': function() {
return this._result;
},
//-----------------------------------------------------------------------------
'numberOfMethodsDone':function() {
return this._numberOfMethodsDone;
},
'incrementNumberOfMethodsDone': function() {
this._numberOfMethodsDone ++;
},
//-----------------------------------------------------------------------------
'run': function(args, aValue) {
var deferredResults;
var i, c;
deferredResults = [];
args = args || {};
c = this.methods().length;
for (i=0; i<c; i++) {
var deferredResult;
var methodCalls;
var ii, cc;
//Clipperz.log("TYPEOF", typeof(this.methods()[i]));
if (typeof(this.methods()[i]) == 'function') {
methodCalls = [ this.methods()[i] ];
} else {
methodCalls = this.methods()[i];
}
cc = methodCalls.length;
deferredResult = new Clipperz.Async.Deferred("Clipperz.Async.DeferredSynchronizer.run => " + this.name() + "[" + i + "]", args);
for (ii=0; ii<cc; ii++) {
deferredResult.addCallback(methodCalls[ii]);
}
deferredResult.addBoth(MochiKit.Base.method(this, 'handleMethodCallDone', i));
deferredResults.push(deferredResult);
}
for (i=0; i<c; i++) {
deferredResults[i].callback(aValue);
}
return this.result();
},
//-----------------------------------------------------------------------------
'handleMethodCallDone': function(anIndexValue, aResult) {
this.incrementNumberOfMethodsDone();
this.methodResults()[anIndexValue] = aResult;
if (this.numberOfMethodsDone() < this.methods().length) {
// nothing to do here other than possibly log something
} else if (this.numberOfMethodsDone() == this.methods().length) {
this.result().callback();
} else if (this.numberOfMethodsDone() > this.methods().length) {
alert("Clipperz.Async.Deferred.handleMethodCallDone -> WTF!");
// WTF!!! :(
}
},
//-----------------------------------------------------------------------------
__syntaxFix__: "syntax fix"
});
//#############################################################################
MochiKit.Base.update(Clipperz.Async, {
'callbacks': function (aName, someFunctions, someArguments, aCallbackValue) {
var deferredResult;
var i, c;
deferredResult = new Clipperz.Async.Deferred(aName, someArguments);
c = someFunctions.length;
for (i=0; i<c; i++) {
deferredResult.addCallback(someFunctions[i]);
}
deferredResult.callback(aCallbackValue);
return deferredResult;
},
//-------------------------------------------------------------------------
'forkAndJoin': function (aName, someMethods, args) {
return MochiKit.Base.partial(function (aName, someMethods, args, aValue) {
var synchronizer;
var result;
args = args || {};
synchronizer = new Clipperz.Async.DeferredSynchronizer(aName, someMethods);
result = synchronizer.run(args, aValue);
return result;
}, aName, someMethods, args);
},
//-------------------------------------------------------------------------
'collectResults': function(aName, someRequests, args) {
return MochiKit.Base.partial(function(aName, someRequests, args, aValue) {
var deferredResult;
var requestKeys;
var methods;
requestKeys = MochiKit.Base.keys(someRequests);
methods = MochiKit.Base.values(someRequests);
deferredResult = new Clipperz.Async.Deferred(aName, args);
deferredResult.addCallback(Clipperz.Async.forkAndJoin(aName + " [inner forkAndJoin]", methods, args));
deferredResult.addBoth(function(someResults) {
var returnFunction;
var results;
var i,c;
var result;
if (someResults instanceof MochiKit.Async.CancelledError) {
returnFunction = MochiKit.Async.fail;
result = someResults;
} else {
if (someResults instanceof Error) {
returnFunction = MochiKit.Async.fail;
results = someResults['message'];
} else {
returnFunction = MochiKit.Async.succeed;
results = someResults;
}
result = {};
c = requestKeys.length;
for (i=0; i<c; i++) {
result[requestKeys[i]] = results[i];
}
}
return returnFunction.call(null, result);
});
deferredResult.callback(aValue);
return deferredResult;
}, aName, someRequests, args);
},
//-------------------------------------------------------------------------
'collectAll': function (someDeferredObjects) {
var deferredResult;
deferredResult = new MochiKit.Async.DeferredList(someDeferredObjects, false, false, false);
deferredResult.addCallback(function (aResultList) {
return MochiKit.Base.map(function (aResult) {
if (aResult[0]) {
return aResult[1];
} else {
throw aResult[1];
}
}, aResultList);
});
return deferredResult;
},
//-------------------------------------------------------------------------
'setItem': function (anObject, aKey, aValue) {
anObject[aKey] = aValue;
return anObject;
},
'setItemOnObject': function (aKey, aValue, anObject) {
anObject[aKey] = aValue;
return anObject;
},
'setDeferredItemOnObject': function (aKey, aDeferredFunction, anObject) {
return Clipperz.Async.callbacks("Clipperz.Async.setDeferredItemOnObject", [
aDeferredFunction,
MochiKit.Base.partial(Clipperz.Async.setItem, anObject, aKey)
], {trace:false}, anObject);
},
//-------------------------------------------------------------------------
'deferredIf': function (aName, aThenBlock, anElseBlock) {
return function (aValue) {
var deferredResult;
if (!MochiKit.Base.isUndefinedOrNull(aValue) && aValue) {
deferredResult = Clipperz.Async.callbacks(aName + " <then>", aThenBlock, null, aValue);
} else {
deferredResult = Clipperz.Async.callbacks(aName + " <else>", anElseBlock, null, aValue);
}
return deferredResult;
}
},
//-------------------------------------------------------------------------
'log': function(aMessage, aResult) {
if (CLIPPERZ_DEFERRED_LOGGING_ENABLED) {
Clipperz.log(aMessage + " ", aResult);
}
return aResult;
},
//=========================================================================
'deferredCompare': function (aComparator, aDeferred, bDeferred) {
var deferredResult;
deferredResult = new Clipperz.Async.Deferred("Clipperz.Async.deferredCompare", {trace:false});
deferredResult.addCallback(Clipperz.Async.collectAll, [aDeferred, bDeferred]);
deferredResult.addCallback(function (someResults) {
var result;
if (aComparator(someResults[0], someResults[1]) > 0) {
result = MochiKit.Async.succeed();
} else {
result = MochiKit.Async.fail();
};
return result;
});
deferredResult.callback();
return deferredResult;
},
//-------------------------------------------------------------------------
'insertIntoSortedArray': function (anObject, aDeferredComparator, aSortedResult) {
var deferredResult;
var i, c;
if (aSortedResult.length == 0) {
deferredResult = MochiKit.Async.succeed([anObject]);
} else {
deferredResult = new Clipperz.Async.Deferred("Clipperz.Async.insertIntoSortedArray", {trace:false});
c = aSortedResult.length + 1;
for (i=0; i<c; i++) {
deferredResult.addCallback(function (aDeferredComparator, aObject, bObject, aContext) {
var innerDeferredResult;
innerDeferredResult = new Clipperz.Async.Deferred("Clipperz.Async.insertIntoSortedArray <inner compare>", {trace:false});
innerDeferredResult.addCallback(aDeferredComparator, aObject, bObject);
innerDeferredResult.addErrback(MochiKit.Async.fail, aContext);
innerDeferredResult.callback();
return innerDeferredResult;
}, aDeferredComparator, anObject, aSortedResult[i], i);
}
deferredResult.addMethod(aSortedResult, 'push', anObject);
deferredResult.addErrback(function (anError) {
aSortedResult.splice(anError.message, 0, anObject);
})
deferredResult.addBoth(MochiKit.Async.succeed, aSortedResult);
deferredResult.callback();
}
return deferredResult;
},
//-------------------------------------------------------------------------
'deferredSort': function (aDeferredComparator, someObjects) {
var deferredResult;
var i, c;
deferredResult = new Clipperz.Async.Deferred("Clipperz.Async.deferredSort", {trace:false});
c = someObjects.length;
for (i=0; i<c; i++) {
deferredResult.addCallback(Clipperz.Async.insertIntoSortedArray, someObjects[i], aDeferredComparator);
if ((i % 50) == 0) {
// Clipperz.log("######### sort wait ##########");
deferredResult.addCallback(MochiKit.Async.wait, 0.5);
}
}
deferredResult.callback([]);
return deferredResult;
},
//=========================================================================
'deferredFilter': function (aFunction, someObjects) {
var deferredResult;
var i, c;
deferredResult = new Clipperz.Async.Deferred("Clipperz.Async.deferredFilter", {trace:false});
c = someObjects.length;
for (i=0; i<c; i++) {
deferredResult.addCallback(function (aFunction, anObject, anIndex, aResult) {
var innerDeferredResult;
innerDeferredResult = new Clipperz.Async.Deferred("Clipperz.Async.deferredFilter <inner - " + anIndex + ">", {trace:false});
innerDeferredResult.addCallback(aFunction, anObject);
innerDeferredResult.addCallback(function (aFilterResult) {
if (aFilterResult) {
aResult.push(anObject);
};
});
innerDeferredResult.addBoth(MochiKit.Async.succeed, aResult);
innerDeferredResult.callback();
return innerDeferredResult;
}, aFunction, someObjects[i], i);
}
deferredResult.callback([]);
return deferredResult;
},
'forEach': function (aFunction) {
return MochiKit.Base.partial(function (aFunction, anIterable) {
MochiKit.Iter.forEach(anIterable, aFunction);
}, aFunction);
},
//=========================================================================
'or': function (someValues) {
return Clipperz.Async.callbacks("Clipperz.Async.or", [
MochiKit.Base.values,
MochiKit.Base.flattenArguments,
//function (aValue) { Clipperz.log("Record.hasAnyCleanTextData - flatten", aValue); return aValue; },
function(someInnerValues) {
return MochiKit.Iter.some(someInnerValues, MochiKit.Base.operator.identity);
}
], {trace:false}, someValues);
},
//=========================================================================
'clearResult': function () {},
//=========================================================================
__syntaxFix__: "syntax fix"
});
//#############################################################################
var CLIPPERZ_DEFERRED_LOGGING_ENABLED = true;
var CLIPPERZ_DEFERRED_TRACING_ENABLED = false;
var CLIPPERZ_DEFERRED_CALL_LOGGING_ENABLED = false;