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							162 lines
						
					
					
						
							6.8 KiB
						
					
					
				
			
		
		
	
	
							162 lines
						
					
					
						
							6.8 KiB
						
					
					
				"use strict"; | 
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var __extends = (this && this.__extends) || (function () { | 
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    var extendStatics = function (d, b) { | 
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        extendStatics = Object.setPrototypeOf || | 
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            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || | 
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            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; | 
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        return extendStatics(d, b); | 
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    } | 
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    return function (d, b) { | 
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        extendStatics(d, b); | 
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        function __() { this.constructor = d; } | 
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        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); | 
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    }; | 
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})(); | 
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Object.defineProperty(exports, "__esModule", { value: true }); | 
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var async_1 = require("../scheduler/async"); | 
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var Subscriber_1 = require("../Subscriber"); | 
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var isScheduler_1 = require("../util/isScheduler"); | 
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function bufferTime(bufferTimeSpan) { | 
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    var length = arguments.length; | 
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    var scheduler = async_1.async; | 
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    if (isScheduler_1.isScheduler(arguments[arguments.length - 1])) { | 
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        scheduler = arguments[arguments.length - 1]; | 
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        length--; | 
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    } | 
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    var bufferCreationInterval = null; | 
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    if (length >= 2) { | 
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        bufferCreationInterval = arguments[1]; | 
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    } | 
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    var maxBufferSize = Number.POSITIVE_INFINITY; | 
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    if (length >= 3) { | 
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        maxBufferSize = arguments[2]; | 
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    } | 
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    return function bufferTimeOperatorFunction(source) { | 
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        return source.lift(new BufferTimeOperator(bufferTimeSpan, bufferCreationInterval, maxBufferSize, scheduler)); | 
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    }; | 
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} | 
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exports.bufferTime = bufferTime; | 
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var BufferTimeOperator = (function () { | 
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    function BufferTimeOperator(bufferTimeSpan, bufferCreationInterval, maxBufferSize, scheduler) { | 
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        this.bufferTimeSpan = bufferTimeSpan; | 
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        this.bufferCreationInterval = bufferCreationInterval; | 
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        this.maxBufferSize = maxBufferSize; | 
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        this.scheduler = scheduler; | 
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    } | 
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    BufferTimeOperator.prototype.call = function (subscriber, source) { | 
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        return source.subscribe(new BufferTimeSubscriber(subscriber, this.bufferTimeSpan, this.bufferCreationInterval, this.maxBufferSize, this.scheduler)); | 
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    }; | 
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    return BufferTimeOperator; | 
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}()); | 
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var Context = (function () { | 
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    function Context() { | 
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        this.buffer = []; | 
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    } | 
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    return Context; | 
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}()); | 
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var BufferTimeSubscriber = (function (_super) { | 
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    __extends(BufferTimeSubscriber, _super); | 
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    function BufferTimeSubscriber(destination, bufferTimeSpan, bufferCreationInterval, maxBufferSize, scheduler) { | 
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        var _this = _super.call(this, destination) || this; | 
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        _this.bufferTimeSpan = bufferTimeSpan; | 
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        _this.bufferCreationInterval = bufferCreationInterval; | 
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        _this.maxBufferSize = maxBufferSize; | 
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        _this.scheduler = scheduler; | 
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        _this.contexts = []; | 
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        var context = _this.openContext(); | 
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        _this.timespanOnly = bufferCreationInterval == null || bufferCreationInterval < 0; | 
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        if (_this.timespanOnly) { | 
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            var timeSpanOnlyState = { subscriber: _this, context: context, bufferTimeSpan: bufferTimeSpan }; | 
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            _this.add(context.closeAction = scheduler.schedule(dispatchBufferTimeSpanOnly, bufferTimeSpan, timeSpanOnlyState)); | 
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        } | 
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        else { | 
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            var closeState = { subscriber: _this, context: context }; | 
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            var creationState = { bufferTimeSpan: bufferTimeSpan, bufferCreationInterval: bufferCreationInterval, subscriber: _this, scheduler: scheduler }; | 
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            _this.add(context.closeAction = scheduler.schedule(dispatchBufferClose, bufferTimeSpan, closeState)); | 
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            _this.add(scheduler.schedule(dispatchBufferCreation, bufferCreationInterval, creationState)); | 
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        } | 
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        return _this; | 
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    } | 
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    BufferTimeSubscriber.prototype._next = function (value) { | 
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        var contexts = this.contexts; | 
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        var len = contexts.length; | 
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        var filledBufferContext; | 
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        for (var i = 0; i < len; i++) { | 
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            var context_1 = contexts[i]; | 
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            var buffer = context_1.buffer; | 
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            buffer.push(value); | 
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            if (buffer.length == this.maxBufferSize) { | 
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                filledBufferContext = context_1; | 
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            } | 
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        } | 
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        if (filledBufferContext) { | 
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            this.onBufferFull(filledBufferContext); | 
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        } | 
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    }; | 
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    BufferTimeSubscriber.prototype._error = function (err) { | 
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        this.contexts.length = 0; | 
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        _super.prototype._error.call(this, err); | 
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    }; | 
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    BufferTimeSubscriber.prototype._complete = function () { | 
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        var _a = this, contexts = _a.contexts, destination = _a.destination; | 
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        while (contexts.length > 0) { | 
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            var context_2 = contexts.shift(); | 
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            destination.next(context_2.buffer); | 
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        } | 
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        _super.prototype._complete.call(this); | 
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    }; | 
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    BufferTimeSubscriber.prototype._unsubscribe = function () { | 
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        this.contexts = null; | 
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    }; | 
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    BufferTimeSubscriber.prototype.onBufferFull = function (context) { | 
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        this.closeContext(context); | 
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        var closeAction = context.closeAction; | 
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        closeAction.unsubscribe(); | 
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        this.remove(closeAction); | 
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        if (!this.closed && this.timespanOnly) { | 
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            context = this.openContext(); | 
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            var bufferTimeSpan = this.bufferTimeSpan; | 
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            var timeSpanOnlyState = { subscriber: this, context: context, bufferTimeSpan: bufferTimeSpan }; | 
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            this.add(context.closeAction = this.scheduler.schedule(dispatchBufferTimeSpanOnly, bufferTimeSpan, timeSpanOnlyState)); | 
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        } | 
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    }; | 
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    BufferTimeSubscriber.prototype.openContext = function () { | 
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        var context = new Context(); | 
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        this.contexts.push(context); | 
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        return context; | 
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    }; | 
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    BufferTimeSubscriber.prototype.closeContext = function (context) { | 
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        this.destination.next(context.buffer); | 
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        var contexts = this.contexts; | 
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        var spliceIndex = contexts ? contexts.indexOf(context) : -1; | 
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        if (spliceIndex >= 0) { | 
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            contexts.splice(contexts.indexOf(context), 1); | 
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        } | 
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    }; | 
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    return BufferTimeSubscriber; | 
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}(Subscriber_1.Subscriber)); | 
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function dispatchBufferTimeSpanOnly(state) { | 
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    var subscriber = state.subscriber; | 
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    var prevContext = state.context; | 
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    if (prevContext) { | 
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        subscriber.closeContext(prevContext); | 
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    } | 
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    if (!subscriber.closed) { | 
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        state.context = subscriber.openContext(); | 
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        state.context.closeAction = this.schedule(state, state.bufferTimeSpan); | 
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    } | 
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} | 
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function dispatchBufferCreation(state) { | 
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    var bufferCreationInterval = state.bufferCreationInterval, bufferTimeSpan = state.bufferTimeSpan, subscriber = state.subscriber, scheduler = state.scheduler; | 
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    var context = subscriber.openContext(); | 
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    var action = this; | 
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    if (!subscriber.closed) { | 
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        subscriber.add(context.closeAction = scheduler.schedule(dispatchBufferClose, bufferTimeSpan, { subscriber: subscriber, context: context })); | 
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        action.schedule(state, bufferCreationInterval); | 
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    } | 
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} | 
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function dispatchBufferClose(arg) { | 
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    var subscriber = arg.subscriber, context = arg.context; | 
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    subscriber.closeContext(context); | 
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} | 
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//# sourceMappingURL=bufferTime.js.map
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