firefox addon sdk - Set preferences in the user branch and unset them on uninstall -


i created firefox add-on following lib/main.js:

const {cc,ci} = require("chrome"); var pref = cc["@mozilla.org/preferences-service;1"].getservice(ci.nsiprefbranch); pref.setintpref("network.http.response.timeout", 3600*24);

it wasn't accepted following reason:

add-ons change critical settings must revert changes when disabled or uninstalled. should make changes in default, rather user, branch.

you need call getdefaultbranch("") on preferences service, , call preference methods on returned object rather on preference service directly.

to revert preference default, set setintpref(), found out have this on uninstall:

pref.clearuserpref("network.http.response.timeout")

this command works fine if call in test-addon. have find out how implement command, executed when firefox-addon uninstalled?

so how have understand these comments? how set preferences in "user branch"?

i solved the second part (uninstall) this, in main.js added code @ end:

exports.onunload = function(reason) {     //called when add-on      //    uninstalled     //    disabled     //    shutdown     //    upgraded     //    downgraded     pref.clearuserpref("network.http.response.timeout"); };

that worked on disabling , uninstalling add-on.


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