/** PURE_IMPORTS_START tslib,_Subject,_Observable,_Subscriber,_Subscription,_operators_refCount PURE_IMPORTS_END */
|
import * as tslib_1 from "tslib";
|
import { SubjectSubscriber } from '../Subject';
|
import { Observable } from '../Observable';
|
import { Subscriber } from '../Subscriber';
|
import { Subscription } from '../Subscription';
|
import { refCount as higherOrderRefCount } from '../operators/refCount';
|
var ConnectableObservable = /*@__PURE__*/ (function (_super) {
|
tslib_1.__extends(ConnectableObservable, _super);
|
function ConnectableObservable(source, subjectFactory) {
|
var _this = _super.call(this) || this;
|
_this.source = source;
|
_this.subjectFactory = subjectFactory;
|
_this._refCount = 0;
|
_this._isComplete = false;
|
return _this;
|
}
|
ConnectableObservable.prototype._subscribe = function (subscriber) {
|
return this.getSubject().subscribe(subscriber);
|
};
|
ConnectableObservable.prototype.getSubject = function () {
|
var subject = this._subject;
|
if (!subject || subject.isStopped) {
|
this._subject = this.subjectFactory();
|
}
|
return this._subject;
|
};
|
ConnectableObservable.prototype.connect = function () {
|
var connection = this._connection;
|
if (!connection) {
|
this._isComplete = false;
|
connection = this._connection = new Subscription();
|
connection.add(this.source
|
.subscribe(new ConnectableSubscriber(this.getSubject(), this)));
|
if (connection.closed) {
|
this._connection = null;
|
connection = Subscription.EMPTY;
|
}
|
}
|
return connection;
|
};
|
ConnectableObservable.prototype.refCount = function () {
|
return higherOrderRefCount()(this);
|
};
|
return ConnectableObservable;
|
}(Observable));
|
export { ConnectableObservable };
|
export var connectableObservableDescriptor = /*@__PURE__*/ (function () {
|
var connectableProto = ConnectableObservable.prototype;
|
return {
|
operator: { value: null },
|
_refCount: { value: 0, writable: true },
|
_subject: { value: null, writable: true },
|
_connection: { value: null, writable: true },
|
_subscribe: { value: connectableProto._subscribe },
|
_isComplete: { value: connectableProto._isComplete, writable: true },
|
getSubject: { value: connectableProto.getSubject },
|
connect: { value: connectableProto.connect },
|
refCount: { value: connectableProto.refCount }
|
};
|
})();
|
var ConnectableSubscriber = /*@__PURE__*/ (function (_super) {
|
tslib_1.__extends(ConnectableSubscriber, _super);
|
function ConnectableSubscriber(destination, connectable) {
|
var _this = _super.call(this, destination) || this;
|
_this.connectable = connectable;
|
return _this;
|
}
|
ConnectableSubscriber.prototype._error = function (err) {
|
this._unsubscribe();
|
_super.prototype._error.call(this, err);
|
};
|
ConnectableSubscriber.prototype._complete = function () {
|
this.connectable._isComplete = true;
|
this._unsubscribe();
|
_super.prototype._complete.call(this);
|
};
|
ConnectableSubscriber.prototype._unsubscribe = function () {
|
var connectable = this.connectable;
|
if (connectable) {
|
this.connectable = null;
|
var connection = connectable._connection;
|
connectable._refCount = 0;
|
connectable._subject = null;
|
connectable._connection = null;
|
if (connection) {
|
connection.unsubscribe();
|
}
|
}
|
};
|
return ConnectableSubscriber;
|
}(SubjectSubscriber));
|
var RefCountOperator = /*@__PURE__*/ (function () {
|
function RefCountOperator(connectable) {
|
this.connectable = connectable;
|
}
|
RefCountOperator.prototype.call = function (subscriber, source) {
|
var connectable = this.connectable;
|
connectable._refCount++;
|
var refCounter = new RefCountSubscriber(subscriber, connectable);
|
var subscription = source.subscribe(refCounter);
|
if (!refCounter.closed) {
|
refCounter.connection = connectable.connect();
|
}
|
return subscription;
|
};
|
return RefCountOperator;
|
}());
|
var RefCountSubscriber = /*@__PURE__*/ (function (_super) {
|
tslib_1.__extends(RefCountSubscriber, _super);
|
function RefCountSubscriber(destination, connectable) {
|
var _this = _super.call(this, destination) || this;
|
_this.connectable = connectable;
|
return _this;
|
}
|
RefCountSubscriber.prototype._unsubscribe = function () {
|
var connectable = this.connectable;
|
if (!connectable) {
|
this.connection = null;
|
return;
|
}
|
this.connectable = null;
|
var refCount = connectable._refCount;
|
if (refCount <= 0) {
|
this.connection = null;
|
return;
|
}
|
connectable._refCount = refCount - 1;
|
if (refCount > 1) {
|
this.connection = null;
|
return;
|
}
|
var connection = this.connection;
|
var sharedConnection = connectable._connection;
|
this.connection = null;
|
if (sharedConnection && (!connection || sharedConnection === connection)) {
|
sharedConnection.unsubscribe();
|
}
|
};
|
return RefCountSubscriber;
|
}(Subscriber));
|
//# sourceMappingURL=ConnectableObservable.js.map
|
