diff options
Diffstat (limited to 'contexts/data/lib/closure-library/closure/goog/testing/fs/filereader.js')
-rw-r--r-- | contexts/data/lib/closure-library/closure/goog/testing/fs/filereader.js | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/contexts/data/lib/closure-library/closure/goog/testing/fs/filereader.js b/contexts/data/lib/closure-library/closure/goog/testing/fs/filereader.js deleted file mode 100644 index 8052523..0000000 --- a/contexts/data/lib/closure-library/closure/goog/testing/fs/filereader.js +++ /dev/null @@ -1,272 +0,0 @@ -// Copyright 2011 The Closure Library Authors. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS-IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -/** - * @fileoverview Mock FileReader object. - * - */ - -goog.provide('goog.testing.fs.FileReader'); - -goog.require('goog.Timer'); -goog.require('goog.events.EventTarget'); -goog.require('goog.fs.Error'); -goog.require('goog.fs.FileReader.EventType'); -goog.require('goog.fs.FileReader.ReadyState'); -goog.require('goog.testing.fs.File'); -goog.require('goog.testing.fs.ProgressEvent'); - - - -/** - * A mock FileReader object. This emits the same events as - * {@link goog.fs.FileReader}. - * - * @constructor - * @extends {goog.events.EventTarget} - */ -goog.testing.fs.FileReader = function() { - goog.base(this); - - /** - * The current state of the reader. - * @type {goog.fs.FileReader.ReadyState} - * @private - */ - this.readyState_ = goog.fs.FileReader.ReadyState.INIT; -}; -goog.inherits(goog.testing.fs.FileReader, goog.events.EventTarget); - - -/** - * The most recent error experienced by this reader. - * @type {goog.fs.Error} - * @private - */ -goog.testing.fs.FileReader.prototype.error_; - - -/** - * Whether the current operation has been aborted. - * @type {boolean} - * @private - */ -goog.testing.fs.FileReader.prototype.aborted_ = false; - - -/** - * The blob this reader is reading from. - * @type {goog.testing.fs.Blob} - * @private - */ -goog.testing.fs.FileReader.prototype.blob_; - - -/** - * The possible return types. - * @enum {number} - */ -goog.testing.fs.FileReader.ReturnType = { - /** - * Used when reading as text. - */ - TEXT: 1, - - /** - * Used when reading as binary string. - */ - BINARY_STRING: 2, - - /** - * Used when reading as array buffer. - */ - ARRAY_BUFFER: 3, - - /** - * Used when reading as data URL. - */ - DATA_URL: 4 -}; - - -/** - * The return type we're reading. - * @type {goog.testing.fs.FileReader.ReturnType} - * @private - */ -goog.testing.fs.FileReader.returnType_; - - -/** - * @see {goog.fs.FileReader#getReadyState} - * @return {goog.fs.FileReader.ReadyState} The current ready state. - */ -goog.testing.fs.FileReader.prototype.getReadyState = function() { - return this.readyState_; -}; - - -/** - * @see {goog.fs.FileReader#getError} - * @return {goog.fs.Error} The current error. - */ -goog.testing.fs.FileReader.prototype.getError = function() { - return this.error_; -}; - - -/** - * @see {goog.fs.FileReader#abort} - */ -goog.testing.fs.FileReader.prototype.abort = function() { - if (this.readyState_ != goog.fs.FileReader.ReadyState.LOADING) { - var msg = 'aborting read'; - throw new goog.fs.Error(goog.fs.Error.ErrorCode.INVALID_STATE, msg); - } - - this.aborted_ = true; -}; - - -/** - * @see {goog.fs.FileReader#getResult} - * @return {*} The result of the file read. - */ -goog.testing.fs.FileReader.prototype.getResult = function() { - if (this.readyState_ != goog.fs.FileReader.ReadyState.DONE) { - return undefined; - } - if (this.error_) { - return undefined; - } - if (this.returnType_ == goog.testing.fs.FileReader.ReturnType.TEXT) { - return this.blob_.toString(); - } else if (this.returnType_ == - goog.testing.fs.FileReader.ReturnType.ARRAY_BUFFER) { - return this.blob_.toArrayBuffer(); - } else if (this.returnType_ == - goog.testing.fs.FileReader.ReturnType.BINARY_STRING) { - return this.blob_.toString(); - } else if (this.returnType_ == - goog.testing.fs.FileReader.ReturnType.DATA_URL) { - return this.blob_.toDataUrl(); - } else { - return undefined; - } -}; - - -/** - * Fires the read events. - * @param {!goog.testing.fs.Blob} blob The blob to read from. - * @private - */ -goog.testing.fs.FileReader.prototype.read_ = function(blob) { - this.blob_ = blob; - if (this.readyState_ == goog.fs.FileReader.ReadyState.LOADING) { - var msg = 'reading file'; - throw new goog.fs.Error(goog.fs.Error.ErrorCode.INVALID_STATE, msg); - } - - this.readyState_ = goog.fs.FileReader.ReadyState.LOADING; - goog.Timer.callOnce(function() { - if (this.aborted_) { - this.abort_(blob.size); - return; - } - - this.progressEvent_(goog.fs.FileReader.EventType.LOAD_START, 0, blob.size); - this.progressEvent_(goog.fs.FileReader.EventType.LOAD, blob.size / 2, - blob.size); - this.progressEvent_(goog.fs.FileReader.EventType.LOAD, blob.size, - blob.size); - this.readyState_ = goog.fs.FileReader.ReadyState.DONE; - this.progressEvent_(goog.fs.FileReader.EventType.LOAD, blob.size, - blob.size); - this.progressEvent_(goog.fs.FileReader.EventType.LOAD_END, blob.size, - blob.size); - }, 0, this); -}; - - -/** - * @see {goog.fs.FileReader#readAsBinaryString} - * @param {!goog.testing.fs.Blob} blob The blob to read. - */ -goog.testing.fs.FileReader.prototype.readAsBinaryString = function(blob) { - this.returnType_ = goog.testing.fs.FileReader.ReturnType.BINARY_STRING; - this.read_(blob); -}; - - -/** - * @see {goog.fs.FileReader#readAsArrayBuffer} - * @param {!goog.testing.fs.Blob} blob The blob to read. - */ -goog.testing.fs.FileReader.prototype.readAsArrayBuffer = function(blob) { - this.returnType_ = goog.testing.fs.FileReader.ReturnType.ARRAY_BUFFER; - this.read_(blob); -}; - - -/** - * @see {goog.fs.FileReader#readAsText} - * @param {!goog.testing.fs.Blob} blob The blob to read. - * @param {string=} opt_encoding The name of the encoding to use. - */ -goog.testing.fs.FileReader.prototype.readAsText = function(blob, opt_encoding) { - this.returnType_ = goog.testing.fs.FileReader.ReturnType.TEXT; - this.read_(blob); -}; - - -/** - * @see {goog.fs.FileReader#readAsDataUrl} - * @param {!goog.testing.fs.Blob} blob The blob to read. - */ -goog.testing.fs.FileReader.prototype.readAsDataUrl = function(blob) { - this.returnType_ = goog.testing.fs.FileReader.ReturnType.DATA_URL; - this.read_(blob); -}; - - -/** - * Abort the current action and emit appropriate events. - * - * @param {number} total The total data that was to be processed, in bytes. - * @private - */ -goog.testing.fs.FileReader.prototype.abort_ = function(total) { - this.error_ = new goog.fs.Error( - goog.fs.Error.ErrorCode.ABORT, 'reading file'); - this.progressEvent_(goog.fs.FileReader.EventType.ERROR, 0, total); - this.progressEvent_(goog.fs.FileReader.EventType.ABORT, 0, total); - this.readyState_ = goog.fs.FileReader.ReadyState.DONE; - this.progressEvent_(goog.fs.FileReader.EventType.LOAD_END, 0, total); - this.aborted_ = false; -}; - - -/** - * Dispatch a progress event. - * - * @param {goog.fs.FileReader.EventType} type The event type. - * @param {number} loaded The number of bytes processed. - * @param {number} total The total data that was to be processed, in bytes. - * @private - */ -goog.testing.fs.FileReader.prototype.progressEvent_ = function(type, loaded, - total) { - this.dispatchEvent(new goog.testing.fs.ProgressEvent(type, loaded, total)); -}; |