Try to revert proxy settings if possible. Fix #140.

omega-target-chromium-extension/background.coffee

@@ -175,6 +175,7 @@ options.watchProxyChange (details) ->
   return unless details
   notControllableBefore = options.proxyNotControllable()
   internal = false
+  noRevert = false
   switch details['levelOfControl']
     when "controlled_by_other_extensions", "not_controllable"
       reason =
@@ -183,6 +184,7 @@ options.watchProxyChange (details) ->
         else
           'app'
       options.setProxyNotControllable(reason)
+      noRevert = true
     else
       options.setProxyNotControllable(null)
 
@@ -200,7 +202,7 @@ options.watchProxyChange (details) ->
   clearTimeout(timeout) if timeout?
   parsed = null
   timeout = setTimeout (->
-    options.setExternalProfile(parsed, {noRevert: true, internal: internal})
+    options.setExternalProfile(parsed, {noRevert: noRevert, internal: internal})
   ), 500
 
   parsed = options.parseExternalProfile(details)

omega-target/src/default_options.coffee

@@ -4,7 +4,7 @@ module.exports = ->
   "-refreshOnProfileChange": true
   "-startupProfileName": ""
   "-quickSwitchProfiles": []
-  "-revertProxyChanges": false
+  "-revertProxyChanges": true
   "-confirmDeletion": true
   "-showInspectMenu": true
   "-downloadInterval": 1440

omega-target/src/options.coffee

@@ -20,6 +20,7 @@ class Options
   _storage: null
   _state: null
   _currentProfileName: null
+  _revertToProfileName: null
   _watchingProfiles: {}
   _tempProfile: null
   _tempProfileRules: {}
@@ -774,11 +775,14 @@ class Options
   # @returns {Promise} A promise which is fulfilled when the profile is set
   ###
   setExternalProfile: (profile, args) ->
-    if not args?.noRevert and @_options['-revertProxyChanges']
+    if @_options['-revertProxyChanges'] and not @_isSystem
       if profile.name != @_currentProfileName and @_currentProfileName
-        if not @_isSystem
-          @applyProfile(@_currentProfileName)
+        if not args?.noRevert
+          @applyProfile(@_revertToProfileName)
+          @_revertToProfileName = null
           return
+        else
+          @_revertToProfileName ?= @_currentProfileName
     p = OmegaPac.Profiles.byName(profile.name, @_options)
     if p
       if args?.internal