Finding session information about Firefox

developmentfirefox

I'm currently developing a piece of software whose functionality is dependent upon knowing the state of the current Firefox session running on the user's Ubuntu computer. The information it will need to know the following:

  • How many Windows are open?
  • How many tabs are there in each window?
  • What is the URL currently opened in each tab?
  • How far down each tab has the user scrolled?

Upon receiving an explicit command from the user, the application will hunt down this information from wherever it resides on the system. The problem is I have no idea where I should program the application to look for this. My first guess was that inspection of the Firefox processes in the kernel would yield the desired information, but I've used the system monitor to watch for additional processes starting up when more windows and tabs are opened, but the only Firefox process it mentions is 'firefox-bin', leading me to conclude that this assumption is incorrect.

I'm prepared to do some significant reading if someone could just point me in the right direction, it's just that my time is limited and I can't afford to start poking around inside the kernel in the hope that I stumble across what I'm looking for.

Does anyone know how I can find the above information without resorting to installing a plugin on Firefox that exports it?

Best Answer

How about you read /home/*/.mozilla/firefox/*/sessionstore.js?

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