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git-svn-id: https://develop.svn.wordpress.org/trunk@12082 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
parent
de9c049065
commit
619bbd1655
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@ -1,342 +1,342 @@
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/*
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/*
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Speed Plug-in
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Speed Plug-in
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Features:
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Features:
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*Adds several properties to the 'file' object indicated upload speed, time left, upload time, etc.
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*Adds several properties to the 'file' object indicated upload speed, time left, upload time, etc.
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- currentSpeed -- String indicating the upload speed, bytes per second
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- currentSpeed -- String indicating the upload speed, bytes per second
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- averageSpeed -- Overall average upload speed, bytes per second
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- averageSpeed -- Overall average upload speed, bytes per second
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- movingAverageSpeed -- Speed over averaged over the last several measurements, bytes per second
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- movingAverageSpeed -- Speed over averaged over the last several measurements, bytes per second
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- timeRemaining -- Estimated remaining upload time in seconds
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- timeRemaining -- Estimated remaining upload time in seconds
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- timeElapsed -- Number of seconds passed for this upload
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- timeElapsed -- Number of seconds passed for this upload
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- percentUploaded -- Percentage of the file uploaded (0 to 100)
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- percentUploaded -- Percentage of the file uploaded (0 to 100)
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- sizeUploaded -- Formatted size uploaded so far, bytes
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- sizeUploaded -- Formatted size uploaded so far, bytes
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*Adds setting 'moving_average_history_size' for defining the window size used to calculate the moving average speed.
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*Adds setting 'moving_average_history_size' for defining the window size used to calculate the moving average speed.
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*Adds several Formatting functions for formatting that values provided on the file object.
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*Adds several Formatting functions for formatting that values provided on the file object.
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- SWFUpload.speed.formatBPS(bps) -- outputs string formatted in the best units (Gbps, Mbps, Kbps, bps)
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- SWFUpload.speed.formatBPS(bps) -- outputs string formatted in the best units (Gbps, Mbps, Kbps, bps)
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- SWFUpload.speed.formatTime(seconds) -- outputs string formatted in the best units (x Hr y M z S)
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- SWFUpload.speed.formatTime(seconds) -- outputs string formatted in the best units (x Hr y M z S)
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- SWFUpload.speed.formatSize(bytes) -- outputs string formatted in the best units (w GB x MB y KB z B )
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- SWFUpload.speed.formatSize(bytes) -- outputs string formatted in the best units (w GB x MB y KB z B )
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- SWFUpload.speed.formatPercent(percent) -- outputs string formatted with a percent sign (x.xx %)
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- SWFUpload.speed.formatPercent(percent) -- outputs string formatted with a percent sign (x.xx %)
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- SWFUpload.speed.formatUnits(baseNumber, divisionArray, unitLabelArray, fractionalBoolean)
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- SWFUpload.speed.formatUnits(baseNumber, divisionArray, unitLabelArray, fractionalBoolean)
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- Formats a number using the division array to determine how to apply the labels in the Label Array
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- Formats a number using the division array to determine how to apply the labels in the Label Array
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- factionalBoolean indicates whether the number should be returned as a single fractional number with a unit (speed)
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- factionalBoolean indicates whether the number should be returned as a single fractional number with a unit (speed)
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or as several numbers labeled with units (time)
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or as several numbers labeled with units (time)
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*/
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*/
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var SWFUpload;
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var SWFUpload;
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if (typeof(SWFUpload) === "function") {
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if (typeof(SWFUpload) === "function") {
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SWFUpload.speed = {};
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SWFUpload.speed = {};
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SWFUpload.prototype.initSettings = (function (oldInitSettings) {
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SWFUpload.prototype.initSettings = (function (oldInitSettings) {
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return function () {
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return function () {
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if (typeof(oldInitSettings) === "function") {
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if (typeof(oldInitSettings) === "function") {
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oldInitSettings.call(this);
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oldInitSettings.call(this);
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}
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}
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this.ensureDefault = function (settingName, defaultValue) {
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this.ensureDefault = function (settingName, defaultValue) {
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this.settings[settingName] = (this.settings[settingName] == undefined) ? defaultValue : this.settings[settingName];
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this.settings[settingName] = (this.settings[settingName] == undefined) ? defaultValue : this.settings[settingName];
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};
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};
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// List used to keep the speed stats for the files we are tracking
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// List used to keep the speed stats for the files we are tracking
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this.fileSpeedStats = {};
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this.fileSpeedStats = {};
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this.speedSettings = {};
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this.speedSettings = {};
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this.ensureDefault("moving_average_history_size", "10");
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this.ensureDefault("moving_average_history_size", "10");
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this.speedSettings.user_file_queued_handler = this.settings.file_queued_handler;
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this.speedSettings.user_file_queued_handler = this.settings.file_queued_handler;
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this.speedSettings.user_file_queue_error_handler = this.settings.file_queue_error_handler;
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this.speedSettings.user_file_queue_error_handler = this.settings.file_queue_error_handler;
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this.speedSettings.user_upload_start_handler = this.settings.upload_start_handler;
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this.speedSettings.user_upload_start_handler = this.settings.upload_start_handler;
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this.speedSettings.user_upload_error_handler = this.settings.upload_error_handler;
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this.speedSettings.user_upload_error_handler = this.settings.upload_error_handler;
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this.speedSettings.user_upload_progress_handler = this.settings.upload_progress_handler;
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this.speedSettings.user_upload_progress_handler = this.settings.upload_progress_handler;
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this.speedSettings.user_upload_success_handler = this.settings.upload_success_handler;
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this.speedSettings.user_upload_success_handler = this.settings.upload_success_handler;
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this.speedSettings.user_upload_complete_handler = this.settings.upload_complete_handler;
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this.speedSettings.user_upload_complete_handler = this.settings.upload_complete_handler;
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this.settings.file_queued_handler = SWFUpload.speed.fileQueuedHandler;
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this.settings.file_queued_handler = SWFUpload.speed.fileQueuedHandler;
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this.settings.file_queue_error_handler = SWFUpload.speed.fileQueueErrorHandler;
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this.settings.file_queue_error_handler = SWFUpload.speed.fileQueueErrorHandler;
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this.settings.upload_start_handler = SWFUpload.speed.uploadStartHandler;
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this.settings.upload_start_handler = SWFUpload.speed.uploadStartHandler;
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this.settings.upload_error_handler = SWFUpload.speed.uploadErrorHandler;
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this.settings.upload_error_handler = SWFUpload.speed.uploadErrorHandler;
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this.settings.upload_progress_handler = SWFUpload.speed.uploadProgressHandler;
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this.settings.upload_progress_handler = SWFUpload.speed.uploadProgressHandler;
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this.settings.upload_success_handler = SWFUpload.speed.uploadSuccessHandler;
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this.settings.upload_success_handler = SWFUpload.speed.uploadSuccessHandler;
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this.settings.upload_complete_handler = SWFUpload.speed.uploadCompleteHandler;
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this.settings.upload_complete_handler = SWFUpload.speed.uploadCompleteHandler;
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delete this.ensureDefault;
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delete this.ensureDefault;
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};
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};
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})(SWFUpload.prototype.initSettings);
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})(SWFUpload.prototype.initSettings);
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SWFUpload.speed.fileQueuedHandler = function (file) {
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SWFUpload.speed.fileQueuedHandler = function (file) {
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if (typeof this.speedSettings.user_file_queued_handler === "function") {
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if (typeof this.speedSettings.user_file_queued_handler === "function") {
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file = SWFUpload.speed.extendFile(file);
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file = SWFUpload.speed.extendFile(file);
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return this.speedSettings.user_file_queued_handler.call(this, file);
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return this.speedSettings.user_file_queued_handler.call(this, file);
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}
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}
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};
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};
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SWFUpload.speed.fileQueueErrorHandler = function (file, errorCode, message) {
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SWFUpload.speed.fileQueueErrorHandler = function (file, errorCode, message) {
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if (typeof this.speedSettings.user_file_queue_error_handler === "function") {
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if (typeof this.speedSettings.user_file_queue_error_handler === "function") {
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file = SWFUpload.speed.extendFile(file);
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file = SWFUpload.speed.extendFile(file);
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return this.speedSettings.user_file_queue_error_handler.call(this, file, errorCode, message);
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return this.speedSettings.user_file_queue_error_handler.call(this, file, errorCode, message);
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}
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}
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};
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};
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SWFUpload.speed.uploadStartHandler = function (file) {
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SWFUpload.speed.uploadStartHandler = function (file) {
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if (typeof this.speedSettings.user_upload_start_handler === "function") {
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if (typeof this.speedSettings.user_upload_start_handler === "function") {
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file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);
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file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);
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return this.speedSettings.user_upload_start_handler.call(this, file);
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return this.speedSettings.user_upload_start_handler.call(this, file);
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}
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}
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};
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};
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SWFUpload.speed.uploadErrorHandler = function (file, errorCode, message) {
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SWFUpload.speed.uploadErrorHandler = function (file, errorCode, message) {
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file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);
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file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);
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SWFUpload.speed.removeTracking(file, this.fileSpeedStats);
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SWFUpload.speed.removeTracking(file, this.fileSpeedStats);
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if (typeof this.speedSettings.user_upload_error_handler === "function") {
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if (typeof this.speedSettings.user_upload_error_handler === "function") {
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return this.speedSettings.user_upload_error_handler.call(this, file, errorCode, message);
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return this.speedSettings.user_upload_error_handler.call(this, file, errorCode, message);
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}
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}
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};
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};
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SWFUpload.speed.uploadProgressHandler = function (file, bytesComplete, bytesTotal) {
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SWFUpload.speed.uploadProgressHandler = function (file, bytesComplete, bytesTotal) {
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this.updateTracking(file, bytesComplete);
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this.updateTracking(file, bytesComplete);
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file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);
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file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);
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if (typeof this.speedSettings.user_upload_progress_handler === "function") {
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if (typeof this.speedSettings.user_upload_progress_handler === "function") {
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return this.speedSettings.user_upload_progress_handler.call(this, file, bytesComplete, bytesTotal);
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return this.speedSettings.user_upload_progress_handler.call(this, file, bytesComplete, bytesTotal);
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}
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}
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};
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};
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SWFUpload.speed.uploadSuccessHandler = function (file, serverData) {
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SWFUpload.speed.uploadSuccessHandler = function (file, serverData) {
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if (typeof this.speedSettings.user_upload_success_handler === "function") {
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if (typeof this.speedSettings.user_upload_success_handler === "function") {
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file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);
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file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);
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return this.speedSettings.user_upload_success_handler.call(this, file, serverData);
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return this.speedSettings.user_upload_success_handler.call(this, file, serverData);
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}
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}
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};
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};
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SWFUpload.speed.uploadCompleteHandler = function (file) {
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SWFUpload.speed.uploadCompleteHandler = function (file) {
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file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);
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file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);
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SWFUpload.speed.removeTracking(file, this.fileSpeedStats);
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SWFUpload.speed.removeTracking(file, this.fileSpeedStats);
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if (typeof this.speedSettings.user_upload_complete_handler === "function") {
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if (typeof this.speedSettings.user_upload_complete_handler === "function") {
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return this.speedSettings.user_upload_complete_handler.call(this, file);
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return this.speedSettings.user_upload_complete_handler.call(this, file);
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}
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}
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};
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};
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// Private: extends the file object with the speed plugin values
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// Private: extends the file object with the speed plugin values
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SWFUpload.speed.extendFile = function (file, trackingList) {
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SWFUpload.speed.extendFile = function (file, trackingList) {
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var tracking;
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var tracking;
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if (trackingList) {
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if (trackingList) {
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tracking = trackingList[file.id];
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tracking = trackingList[file.id];
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}
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}
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if (tracking) {
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if (tracking) {
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file.currentSpeed = tracking.currentSpeed;
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file.currentSpeed = tracking.currentSpeed;
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file.averageSpeed = tracking.averageSpeed;
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file.averageSpeed = tracking.averageSpeed;
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file.movingAverageSpeed = tracking.movingAverageSpeed;
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file.movingAverageSpeed = tracking.movingAverageSpeed;
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file.timeRemaining = tracking.timeRemaining;
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file.timeRemaining = tracking.timeRemaining;
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file.timeElapsed = tracking.timeElapsed;
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file.timeElapsed = tracking.timeElapsed;
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file.percentUploaded = tracking.percentUploaded;
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file.percentUploaded = tracking.percentUploaded;
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file.sizeUploaded = tracking.bytesUploaded;
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file.sizeUploaded = tracking.bytesUploaded;
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} else {
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} else {
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file.currentSpeed = 0;
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file.currentSpeed = 0;
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file.averageSpeed = 0;
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file.averageSpeed = 0;
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file.movingAverageSpeed = 0;
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file.movingAverageSpeed = 0;
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file.timeRemaining = 0;
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file.timeRemaining = 0;
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file.timeElapsed = 0;
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file.timeElapsed = 0;
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file.percentUploaded = 0;
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file.percentUploaded = 0;
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file.sizeUploaded = 0;
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file.sizeUploaded = 0;
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}
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}
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return file;
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return file;
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};
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};
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// Private: Updates the speed tracking object, or creates it if necessary
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// Private: Updates the speed tracking object, or creates it if necessary
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SWFUpload.prototype.updateTracking = function (file, bytesUploaded) {
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SWFUpload.prototype.updateTracking = function (file, bytesUploaded) {
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var tracking = this.fileSpeedStats[file.id];
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var tracking = this.fileSpeedStats[file.id];
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if (!tracking) {
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if (!tracking) {
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this.fileSpeedStats[file.id] = tracking = {};
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this.fileSpeedStats[file.id] = tracking = {};
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}
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}
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// Sanity check inputs
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// Sanity check inputs
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bytesUploaded = bytesUploaded || tracking.bytesUploaded || 0;
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bytesUploaded = bytesUploaded || tracking.bytesUploaded || 0;
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if (bytesUploaded < 0) {
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if (bytesUploaded < 0) {
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bytesUploaded = 0;
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bytesUploaded = 0;
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}
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}
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if (bytesUploaded > file.size) {
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if (bytesUploaded > file.size) {
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bytesUploaded = file.size;
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bytesUploaded = file.size;
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}
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}
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var tickTime = (new Date()).getTime();
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var tickTime = (new Date()).getTime();
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if (!tracking.startTime) {
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if (!tracking.startTime) {
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tracking.startTime = (new Date()).getTime();
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tracking.startTime = (new Date()).getTime();
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tracking.lastTime = tracking.startTime;
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tracking.lastTime = tracking.startTime;
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tracking.currentSpeed = 0;
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tracking.currentSpeed = 0;
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tracking.averageSpeed = 0;
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tracking.averageSpeed = 0;
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tracking.movingAverageSpeed = 0;
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tracking.movingAverageSpeed = 0;
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tracking.movingAverageHistory = [];
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tracking.movingAverageHistory = [];
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tracking.timeRemaining = 0;
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tracking.timeRemaining = 0;
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tracking.timeElapsed = 0;
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tracking.timeElapsed = 0;
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tracking.percentUploaded = bytesUploaded / file.size;
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tracking.percentUploaded = bytesUploaded / file.size;
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tracking.bytesUploaded = bytesUploaded;
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tracking.bytesUploaded = bytesUploaded;
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} else if (tracking.startTime > tickTime) {
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} else if (tracking.startTime > tickTime) {
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this.debug("When backwards in time");
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this.debug("When backwards in time");
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} else {
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} else {
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// Get time and deltas
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// Get time and deltas
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var now = (new Date()).getTime();
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var now = (new Date()).getTime();
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var lastTime = tracking.lastTime;
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var lastTime = tracking.lastTime;
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var deltaTime = now - lastTime;
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var deltaTime = now - lastTime;
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var deltaBytes = bytesUploaded - tracking.bytesUploaded;
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var deltaBytes = bytesUploaded - tracking.bytesUploaded;
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if (deltaBytes === 0 || deltaTime === 0) {
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if (deltaBytes === 0 || deltaTime === 0) {
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return tracking;
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return tracking;
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}
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}
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// Update tracking object
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// Update tracking object
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tracking.lastTime = now;
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tracking.lastTime = now;
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tracking.bytesUploaded = bytesUploaded;
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tracking.bytesUploaded = bytesUploaded;
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// Calculate speeds
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// Calculate speeds
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tracking.currentSpeed = (deltaBytes * 8 ) / (deltaTime / 1000);
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tracking.currentSpeed = (deltaBytes * 8 ) / (deltaTime / 1000);
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tracking.averageSpeed = (tracking.bytesUploaded * 8) / ((now - tracking.startTime) / 1000);
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tracking.averageSpeed = (tracking.bytesUploaded * 8) / ((now - tracking.startTime) / 1000);
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// Calculate moving average
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// Calculate moving average
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tracking.movingAverageHistory.push(tracking.currentSpeed);
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tracking.movingAverageHistory.push(tracking.currentSpeed);
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if (tracking.movingAverageHistory.length > this.settings.moving_average_history_size) {
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if (tracking.movingAverageHistory.length > this.settings.moving_average_history_size) {
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tracking.movingAverageHistory.shift();
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tracking.movingAverageHistory.shift();
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}
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}
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tracking.movingAverageSpeed = SWFUpload.speed.calculateMovingAverage(tracking.movingAverageHistory);
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tracking.movingAverageSpeed = SWFUpload.speed.calculateMovingAverage(tracking.movingAverageHistory);
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// Update times
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// Update times
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tracking.timeRemaining = (file.size - tracking.bytesUploaded) * 8 / tracking.movingAverageSpeed;
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tracking.timeRemaining = (file.size - tracking.bytesUploaded) * 8 / tracking.movingAverageSpeed;
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tracking.timeElapsed = (now - tracking.startTime) / 1000;
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tracking.timeElapsed = (now - tracking.startTime) / 1000;
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// Update percent
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// Update percent
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tracking.percentUploaded = (tracking.bytesUploaded / file.size * 100);
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tracking.percentUploaded = (tracking.bytesUploaded / file.size * 100);
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}
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}
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return tracking;
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return tracking;
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};
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};
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SWFUpload.speed.removeTracking = function (file, trackingList) {
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SWFUpload.speed.removeTracking = function (file, trackingList) {
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try {
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try {
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trackingList[file.id] = null;
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trackingList[file.id] = null;
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delete trackingList[file.id];
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delete trackingList[file.id];
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} catch (ex) {
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} catch (ex) {
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}
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}
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};
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};
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SWFUpload.speed.formatUnits = function (baseNumber, unitDivisors, unitLabels, singleFractional) {
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SWFUpload.speed.formatUnits = function (baseNumber, unitDivisors, unitLabels, singleFractional) {
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var i, unit, unitDivisor, unitLabel;
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var i, unit, unitDivisor, unitLabel;
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if (baseNumber === 0) {
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if (baseNumber === 0) {
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return "0 " + unitLabels[unitLabels.length - 1];
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return "0 " + unitLabels[unitLabels.length - 1];
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}
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}
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if (singleFractional) {
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if (singleFractional) {
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unit = baseNumber;
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unit = baseNumber;
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unitLabel = unitLabels.length >= unitDivisors.length ? unitLabels[unitDivisors.length - 1] : "";
|
unitLabel = unitLabels.length >= unitDivisors.length ? unitLabels[unitDivisors.length - 1] : "";
|
||||||
for (i = 0; i < unitDivisors.length; i++) {
|
for (i = 0; i < unitDivisors.length; i++) {
|
||||||
if (baseNumber >= unitDivisors[i]) {
|
if (baseNumber >= unitDivisors[i]) {
|
||||||
unit = (baseNumber / unitDivisors[i]).toFixed(2);
|
unit = (baseNumber / unitDivisors[i]).toFixed(2);
|
||||||
unitLabel = unitLabels.length >= i ? " " + unitLabels[i] : "";
|
unitLabel = unitLabels.length >= i ? " " + unitLabels[i] : "";
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
return unit + unitLabel;
|
return unit + unitLabel;
|
||||||
} else {
|
} else {
|
||||||
var formattedStrings = [];
|
var formattedStrings = [];
|
||||||
var remainder = baseNumber;
|
var remainder = baseNumber;
|
||||||
|
|
||||||
for (i = 0; i < unitDivisors.length; i++) {
|
for (i = 0; i < unitDivisors.length; i++) {
|
||||||
unitDivisor = unitDivisors[i];
|
unitDivisor = unitDivisors[i];
|
||||||
unitLabel = unitLabels.length > i ? " " + unitLabels[i] : "";
|
unitLabel = unitLabels.length > i ? " " + unitLabels[i] : "";
|
||||||
|
|
||||||
unit = remainder / unitDivisor;
|
unit = remainder / unitDivisor;
|
||||||
if (i < unitDivisors.length -1) {
|
if (i < unitDivisors.length -1) {
|
||||||
unit = Math.floor(unit);
|
unit = Math.floor(unit);
|
||||||
} else {
|
} else {
|
||||||
unit = unit.toFixed(2);
|
unit = unit.toFixed(2);
|
||||||
}
|
}
|
||||||
if (unit > 0) {
|
if (unit > 0) {
|
||||||
remainder = remainder % unitDivisor;
|
remainder = remainder % unitDivisor;
|
||||||
|
|
||||||
formattedStrings.push(unit + unitLabel);
|
formattedStrings.push(unit + unitLabel);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
return formattedStrings.join(" ");
|
return formattedStrings.join(" ");
|
||||||
}
|
}
|
||||||
};
|
};
|
||||||
|
|
||||||
SWFUpload.speed.formatBPS = function (baseNumber) {
|
SWFUpload.speed.formatBPS = function (baseNumber) {
|
||||||
var bpsUnits = [1073741824, 1048576, 1024, 1], bpsUnitLabels = ["Gbps", "Mbps", "Kbps", "bps"];
|
var bpsUnits = [1073741824, 1048576, 1024, 1], bpsUnitLabels = ["Gbps", "Mbps", "Kbps", "bps"];
|
||||||
return SWFUpload.speed.formatUnits(baseNumber, bpsUnits, bpsUnitLabels, true);
|
return SWFUpload.speed.formatUnits(baseNumber, bpsUnits, bpsUnitLabels, true);
|
||||||
|
|
||||||
};
|
};
|
||||||
SWFUpload.speed.formatTime = function (baseNumber) {
|
SWFUpload.speed.formatTime = function (baseNumber) {
|
||||||
var timeUnits = [86400, 3600, 60, 1], timeUnitLabels = ["d", "h", "m", "s"];
|
var timeUnits = [86400, 3600, 60, 1], timeUnitLabels = ["d", "h", "m", "s"];
|
||||||
return SWFUpload.speed.formatUnits(baseNumber, timeUnits, timeUnitLabels, false);
|
return SWFUpload.speed.formatUnits(baseNumber, timeUnits, timeUnitLabels, false);
|
||||||
|
|
||||||
};
|
};
|
||||||
SWFUpload.speed.formatBytes = function (baseNumber) {
|
SWFUpload.speed.formatBytes = function (baseNumber) {
|
||||||
var sizeUnits = [1073741824, 1048576, 1024, 1], sizeUnitLabels = ["GB", "MB", "KB", "bytes"];
|
var sizeUnits = [1073741824, 1048576, 1024, 1], sizeUnitLabels = ["GB", "MB", "KB", "bytes"];
|
||||||
return SWFUpload.speed.formatUnits(baseNumber, sizeUnits, sizeUnitLabels, true);
|
return SWFUpload.speed.formatUnits(baseNumber, sizeUnits, sizeUnitLabels, true);
|
||||||
|
|
||||||
};
|
};
|
||||||
SWFUpload.speed.formatPercent = function (baseNumber) {
|
SWFUpload.speed.formatPercent = function (baseNumber) {
|
||||||
return baseNumber.toFixed(2) + " %";
|
return baseNumber.toFixed(2) + " %";
|
||||||
};
|
};
|
||||||
|
|
||||||
SWFUpload.speed.calculateMovingAverage = function (history) {
|
SWFUpload.speed.calculateMovingAverage = function (history) {
|
||||||
var vals = [], size, sum = 0.0, mean = 0.0, varianceTemp = 0.0, variance = 0.0, standardDev = 0.0;
|
var vals = [], size, sum = 0.0, mean = 0.0, varianceTemp = 0.0, variance = 0.0, standardDev = 0.0;
|
||||||
var i;
|
var i;
|
||||||
var mSum = 0, mCount = 0;
|
var mSum = 0, mCount = 0;
|
||||||
|
|
||||||
size = history.length;
|
size = history.length;
|
||||||
|
|
||||||
// Check for sufficient data
|
// Check for sufficient data
|
||||||
if (size >= 8) {
|
if (size >= 8) {
|
||||||
// Clone the array and Calculate sum of the values
|
// Clone the array and Calculate sum of the values
|
||||||
for (i = 0; i < size; i++) {
|
for (i = 0; i < size; i++) {
|
||||||
vals[i] = history[i];
|
vals[i] = history[i];
|
||||||
sum += vals[i];
|
sum += vals[i];
|
||||||
}
|
}
|
||||||
|
|
||||||
mean = sum / size;
|
mean = sum / size;
|
||||||
|
|
||||||
// Calculate variance for the set
|
// Calculate variance for the set
|
||||||
for (i = 0; i < size; i++) {
|
for (i = 0; i < size; i++) {
|
||||||
varianceTemp += Math.pow((vals[i] - mean), 2);
|
varianceTemp += Math.pow((vals[i] - mean), 2);
|
||||||
}
|
}
|
||||||
|
|
||||||
variance = varianceTemp / size;
|
variance = varianceTemp / size;
|
||||||
standardDev = Math.sqrt(variance);
|
standardDev = Math.sqrt(variance);
|
||||||
|
|
||||||
//Standardize the Data
|
//Standardize the Data
|
||||||
for (i = 0; i < size; i++) {
|
for (i = 0; i < size; i++) {
|
||||||
vals[i] = (vals[i] - mean) / standardDev;
|
vals[i] = (vals[i] - mean) / standardDev;
|
||||||
}
|
}
|
||||||
|
|
||||||
// Calculate the average excluding outliers
|
// Calculate the average excluding outliers
|
||||||
var deviationRange = 2.0;
|
var deviationRange = 2.0;
|
||||||
for (i = 0; i < size; i++) {
|
for (i = 0; i < size; i++) {
|
||||||
|
|
||||||
if (vals[i] <= deviationRange && vals[i] >= -deviationRange) {
|
if (vals[i] <= deviationRange && vals[i] >= -deviationRange) {
|
||||||
mCount++;
|
mCount++;
|
||||||
mSum += history[i];
|
mSum += history[i];
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
} else {
|
} else {
|
||||||
// Calculate the average (not enough data points to remove outliers)
|
// Calculate the average (not enough data points to remove outliers)
|
||||||
mCount = size;
|
mCount = size;
|
||||||
for (i = 0; i < size; i++) {
|
for (i = 0; i < size; i++) {
|
||||||
mSum += history[i];
|
mSum += history[i];
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
return mSum / mCount;
|
return mSum / mCount;
|
||||||
};
|
};
|
||||||
|
|
||||||
}
|
}
|
||||||
Loading…
Reference in New Issue