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Labs/Jetpack/Release Notes/1.5

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Contents

About

The Add-on SDK is a software development kit that provides a set of tools and APIs for building, testing, and packaging Firefox add-ons.

The 1.5 release features initial support for localization and mobile support, and upgrades the codebase to use the Mozilla Public License 2.0.

Installation

Obtain the SDK in your favorite compression format:

Then unpack the archive, open the addon-sdk-1.5/README.txt file, and follow its instructions.

Repack Needed!

In Firefox 11 (currently the Firefox Beta release) we removed the nsIDOMNSElement, which is heavily used in the SDK. We've updated the SDK to handle this change, but this means that add-ons built with earlier versions of the SDK will not work with Firefox 11.

So if you have add-ons built with earlier versions of the SDK, you'll need to repack them using this version of the SDK.

To repack using the SDK:

To repack using the Builder:

  • go to your add-on
  • under "Libraries", choose version 1.5 of "Addon Kit"
  • save the add-on
  • upload it to AMO

Major Changes Since 1.4

Mobile Support

We've landed the first stage of support for the new native version of Firefox Mobile.

It's still experimental, and not all APIs are supported yet, but we're working on adding them in future releases.

Localization Support

We've landed the first stage of localization support.

At the moment it's only possible to localize strings in your main add-on code: you can't localize strings which appear in content scripts or HTML. But we're working on adding support for this.

MPL 2.0

We've updated the codebase to use the new version of the Mozilla Public License.

Major Bug Fixes

Memory Leaks

We've fixed some memory leaks:

Bug 697215

Cannot scroll panel on OS X. This is a platform bug: it is fixed in Firefox 11 but still exists in Firefox 10.

Bug 638742

If your add-on has a long name, and the path to your Firefox profile is long enough, then the XPI installation process would try to create an intermediate file with a name longer than the maximum supported length on some Windows systems. If that happens you may get an error like:

"<your add-on> could not be installed because Firefox cannot modify the needed file"

This is now fixed, because we no longer unpack the XPI completely. See bug 638742 for details.

Known Issues

See the complete list of known issues and requests for enhancement. We've listed some of the issues you're most likely to encounter separately below.

Bug 707623

Some keyboard events are fired twice on some elements inside a panel.

Bug 701760

Panel created with Jetpack "panel" API won't close on loss of focus if drop-down menu has focus.

Bug 700733

Selection Context Menu Item throws error on right-click of form button.

Bug 717183

Specified panel width ignored when Firefox is maximized.

Bug 715755

Permission denied to access property '__isXrayWrapperProxy' is sometimes thrown in content scripts.

Bug 714914

Items of context-menu module appear only after successful page load. While the page is still loading they don't appear.

This behavior is by design because the worker for an item-window pair is created when the window finishes loading. Until a worker is created, context-menu can't tell whether the item should be shown or not, so the item isn't shown until the worker is created.

If context-menu supported contentScriptWhen like page-mod does, this could probably be done by setting it to "start". Right now consumers are effectively locked in to "ready".

Bug 714181

Access to Full Screen API blocked from context-menu API.

Bug 726796

passwords.search() function "crashes" with some profiles.

Bug 667817

If you change location in a content script using: window.location="http://mozilla.org"; Nothing happens, instead, `location` attribute is just replaced by a string.

Bug 684047

If a page-mod matches a page, its content scripts get attached to every iframe in the page, and this can have a bad effect on performance if the script is large and the page contains many iframes.

Although this behaviour is intentional, there should be an option to make content scripts only run on the topmost frame of a page.

Bug 701760

When an html select element (e.g. a drop-down menu) in web content inside a panel has focus, clicking *outside* the panel does not close the panel.

Bug 700733

If you create a context menu item for the selection type, and right-click a form button, the context menu does not appear and an error is logged. It's not yet clear whether this is specific to form buttons or not.

Bug 689215

The tab array is not reordered to match the on-screen order of the tabs after a tab move event takes place.

Bug 663480

The SDK automatically includes a dependency on the packages supplied with the SDK such as addon-kit and api-utils. This means that you can require() modules in the SDK such as widget without having to specify addon-kit as a dependency.

You can also use modules from other packages, such as the packages listed here, by including a reference to the package in your package.json file.

However, if you do add any dependencies to package.json, then the SDK will no longer add addon-kit or api-utils automatically, and you must add them manually if you want to include their modules.

Bug 663048

The SDK will give an error if your package name contains spaces or Unicode characters.

Bug 627432

If your add-on stores data using the simple-storage API, the data is not cleaned up when your add-on is uninstalled.

Bug 656037

Some core JavaScript functions, such as btoa(), are not available to add-on code. This is now being tracked in a Feature Page.

Bug 571049

If an add-on is uninstalled while it's disabled, it's not notified of uninstall. If the add-on needs to do some special cleanup on uninstall, like removing persistent storage such as a file, this won't be possible if it has been disabled.

Bug 660862

By default, widgets are placed on the add-on bar, and given a height to match the height of that bar. If the user moves the widget to a different toolbar, and that toolbar has a different height, the widget's height is not updated accordingly.

Bug 660857

A widget containing HTML content gets no icon in the Customize Toolbar Window.

Bug 660860

When a user removes a widget from the toolbar its detach event does not get sent.

Bug 661884

Selection events for a page are not sent if the page did not fully load (for example, because the user stopped the page loading).

Bug 556562

If you have copy of mozrunner installed on your system, the cfx test command may not work correctly.

There is a workaround for this.

Feedback and Bug Reports

We'd love to hear any feedback you have regarding this release! You can post it to the discussion group or report a bug.