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tab-data-firefox

★ 46 Open GitHub ↗

Firefox addon provides user with tab related stats and memory usage

// repository documentation

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tab-data-firefox
================

[![Build Status](https://travis-ci.org/bobbyrne01/tab-data-firefox.svg?branch=master)](https://travis-ci.org/bobbyrne01/tab-data-firefox)
[![devDependency Status](https://david-dm.org/bobbyrne01/tab-data-firefox/dev-status.svg)](https://david-dm.org/bobbyrne01/tab-data-firefox#info=devDependencies)
[![Built with Grunt](https://cdn.gruntjs.com/builtwith.png)](http://gruntjs.com/)

Provides user with tab related stats/data

### Features

* How many tabs are currently open
* How many tabs have been opened during this Firefox session
* How many tabs have been opened since addon installed
* Preference to toggle tab memory usage on/off
* Memory usage displayed on panel UI (JSON or Plain)
* Preference to include url on memory usage panel UI
* Prepend, append or disable tab memory usage in title
* Change tab title color if memory exceeds specified threshold
* Preference to set interval between memory usage collection
* Top 5 memory consumers drawn on graph
* Graph types include: Line, Bar, Radar and PolarArea
* Perform a garbage collection
* Resize panel UI

### Monitoring memory

The addon uses the [nsIMemoryReporterManager](https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XPCOM/Reference/Interface/nsIMemoryReporterManager) interface to extract memory statistics from `Firefox`, specifically the `getReports()` method.

For each process, data is parsed from the `explicit` tree (which represents all the memory allocated via explicit calls to allocation functions). More specifically, from the `explicit/window-objects/` and `explicit/add-ons/*/window-objects/` tree paths (which represents all JavaScript `window` objects) only if the leaf node contains an `id` and a `url` matching a currently open tab, otherwise the node is disregarded.

Measurements use bytes as their unit and the value of each leaf node is the sum of all its children, therefore the value displayed in a tab title corresponds to a child of `explicit/window-objects/` or `explicit/add-ons/*/window-objects/`.

### Locale support

* bg
* cs-CZ
* de-DE
* en-GB
* en-US
* es-ES
* fr-FR
* it-IT
* ja-JP
* ko-KR
* pl-PL
* pt-PT
* ru-RU
* sv-SE
* uk-UA
* zh-CN

### Development

npm install
    bower install
    grunt
    
### Run

rob@work:~/git/tab-data-firefox$ cd addon/
    rob@work:~/git/tab-data-firefox/addon$ jpm run

### Package

rob@work:~/git/tab-data-firefox/addon$ jpm xpi

### Attribution

Charts are drawn using [Chart.js](https://github.com/nnnick/Chart.js)

tab-data-firefox

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