prefs.coffee | |
|---|---|
{ classes: Cc, interfaces: Ci } = Components
PREF_BRANCH = "extension.VimFx."; | |
| Default values for the preference All used preferences should be mentioned here becuase preference type is derived from here | PREFS =
hint_chars: 'asdfgercvhjkl;uinm'
button_id: 'VimFx-toolbar-button'
disabled: false |
| Get Firefox preference value of type specified in | getFFPref = do ->
branch = Services.prefs.getBranch PREF_BRANCH
return (key) ->
value = PREFS[key] |
| Return default value if the preference value hasn't been set yet | if branch.getPrefType(key) == branch.PREF_INVALID
return value;
switch typeof value
when 'boolean'
return branch.getBoolPref key
when 'number'
return branch.getIntPref key
else
return branch.getCharPref key |
| Set firefox preference value | setFFPref = do ->
branch = Services.prefs.getBranch PREF_BRANCH
return (key, value) ->
switch typeof value
when 'boolean'
branch.setBoolPref(key, value)
when 'number'
branch.setIntPref(key, value)
else
branch.setCharPref(key, String(value)); |
| Set default values and update previously stored values for the preferences | do ->
branch = Services.prefs.getBranch PREF_BRANCH
for key in Object.keys(PREFS)
if branch.getPrefType(key) == branch.PREF_INVALID
setFFPref key, PREFS[key]
else
PREFS[key] = getFFPref key |
| Monitor preference changes and update values in local cache - PREFS | installPrefObserver = ->
branch = Services.prefs.getBranch(PREF_BRANCH)
.QueryInterface(Components.interfaces.nsIPrefBranch2)
observer =
observe: (subject, topic, data) ->
if topic == 'nsPref:changed' and data in Object.keys(PREFS)
PREFS[data] = getFFPref data
branch.addObserver "", observer, false
unload -> branch.removeObserver "", observer |
| Get preference value from local cache - PREFS | getPref = (key) -> return PREFS[key] |
| Set preference value | setPref = (key, value) -> setFFPref key, value
exports.getPref = getPref
exports.setPref = setPref
exports.installPrefObserver = installPrefObserver
|