| /** |
| * Copyright (c) 2014 Petka Antonov |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions:</p> |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| * |
| */ |
| "use strict"; |
| module.exports = function(Promise, isPromiseArrayProxy) { |
| var util = require("./util.js"); |
| var async = require("./async.js"); |
| var errors = require("./errors.js"); |
| var tryCatch1 = util.tryCatch1; |
| var errorObj = util.errorObj; |
| |
| Promise.prototype.progressed = function Promise$progressed(handler) { |
| return this._then(void 0, void 0, handler, |
| void 0, void 0, this.progressed); |
| }; |
| |
| Promise.prototype._progress = function Promise$_progress(progressValue) { |
| if (this._isFollowingOrFulfilledOrRejected()) return; |
| this._progressUnchecked(progressValue); |
| |
| }; |
| |
| Promise.prototype._progressHandlerAt = |
| function Promise$_progressHandlerAt(index) { |
| if (index === 0) return this._progressHandler0; |
| return this[index + 2 - 5]; |
| }; |
| |
| Promise.prototype._doProgressWith = |
| function Promise$_doProgressWith(progression) { |
| var progressValue = progression.value; |
| var handler = progression.handler; |
| var promise = progression.promise; |
| var receiver = progression.receiver; |
| |
| this._pushContext(); |
| var ret = tryCatch1(handler, receiver, progressValue); |
| this._popContext(); |
| |
| if (ret === errorObj) { |
| if (ret.e != null && |
| ret.e.name !== "StopProgressPropagation") { |
| var trace = errors.canAttach(ret.e) |
| ? ret.e : new Error(ret.e + ""); |
| promise._attachExtraTrace(trace); |
| promise._progress(ret.e); |
| } |
| } |
| else if (Promise.is(ret)) { |
| ret._then(promise._progress, null, null, promise, void 0, |
| this._progress); |
| } |
| else { |
| promise._progress(ret); |
| } |
| }; |
| |
| |
| Promise.prototype._progressUnchecked = |
| function Promise$_progressUnchecked(progressValue) { |
| if (!this.isPending()) return; |
| var len = this._length(); |
| |
| for (var i = 0; i < len; i += 5) { |
| var handler = this._progressHandlerAt(i); |
| var promise = this._promiseAt(i); |
| if (!Promise.is(promise)) { |
| var receiver = this._receiverAt(i); |
| if (typeof handler === "function") { |
| handler.call(receiver, progressValue, promise); |
| } |
| else if (Promise.is(receiver) && receiver._isProxied()) { |
| receiver._progressUnchecked(progressValue); |
| } |
| else if (isPromiseArrayProxy(receiver, promise)) { |
| receiver._promiseProgressed(progressValue, promise); |
| } |
| continue; |
| } |
| |
| if (typeof handler === "function") { |
| this._doProgressWith(({handler: handler, |
| promise: promise, |
| receiver: this._receiverAt(i), |
| value: progressValue})); |
| } |
| else { |
| promise._progress(progressValue); |
| } |
| } |
| }; |
| }; |