update blocking in oxd + callback in oxff, split modules in ox.jsm and oxff.jsm

OxFF/modules/oxff.jsm

@@ -0,0 +1,44 @@
+// -*- coding: utf-8 -*-
+// vi:si:et:sw=4:sts=4:ts=4
+
+let EXPORTED_SYMBOLS = [ "oxff" ];
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+
+Components.utils.import("resource://ox/utils.jsm");
+
+let oxff = {
+    getDBFile: function() {
+        var file = Cc["@mozilla.org/file/directory_service;1"].getService(Ci.nsIProperties)  
+                     .get("ProfD", Ci.nsIFile);  
+        file.append("OxFF.sqlite");
+        return file;
+    },
+    getDB: function() {
+        var file = this.getDBFile();
+        var storageService = Cc["@mozilla.org/storage/service;1"].getService(Ci.mozIStorageService);
+        var conn = storageService.openDatabase(file);
+        conn.executeSimpleSQL("CREATE TABLE IF NOT EXISTS site (site varchar(1024) unique, access INT)");
+        conn.executeSimpleSQL("CREATE TABLE IF NOT EXISTS setting (key varchar(1024) unique, value text)");
+        return conn;
+    },
+    get: function(key, value) {
+        var conn = this.getDB();
+        var q = conn.createStatement("SELECT value FROM setting WHERE key = :key");
+        q.params.key = key;
+        if (q.executeStep())
+          value = q.row.value;
+        q.finalize();
+        return value;
+    },
+    set: function(key, value) {
+        var conn = this.getDB();
+        var q = conn.createStatement("INSERT OR REPLACE INTO setting values (:key, :value)");
+        q.params.key = key;
+        q.params.value = value;
+        q.executeStep();
+        q.finalize();
+    },
+};
+