SessionRestoreAPI

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Goals

• Provide the ability for extensions to easily store and retrieve data across browser sessions.
• Provide mechanisms for extensions to build additional features on top of the existing infrastructure.

Use Cases

• Session Managers - Extensions that allow users to save and restore named sessions.
• Storage and Sync - Provide easy access to serialized, or serialize-able session data for extensions that want to backup the data, store it remotely, or share it with other applications.
• Selective Restore - Enhance the restore dialog to allow the user to filter what gets restored when the browser starts.

Requirements

• Configuration (instead of modding prefs directly)
• Ability to get and set the session state.
• Use JS objects instead of forcing a given serialization format.

Implementation

XXX Much of the API for get/setting state etc is already implemented in rough form, just needs to be cleaned up and exposed.

Open Issues

• See if client-side storage impl can be used or repurposed for extension storage.
• Between mozStorage and client-side storage, are the needs of the use-cases met? is raw mozStorage access enough?
• It might be interesting to impl this in a thin layer on top of mozStorage which exposes a memcache-ish get/set/replace API.