1 files changed, 75 insertions, 0 deletions
diff --git a/toolkit/components/contentprefs/ContentPrefInstance.jsm b/toolkit/components/contentprefs/ContentPrefInstance.jsm
new file mode 100644
index 000000000..395569995
--- /dev/null
+++ b/toolkit/components/contentprefs/ContentPrefInstance.jsm
@@ -0,0 +1,75 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+'use strict';
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+
+this.EXPORTED_SYMBOLS = ['ContentPrefInstance'];
+
+// This is a wrapper for nsIContentPrefService that alleviates the need to pass
+// an nsILoadContext argument to every method. Pass the context to the constructor
+// instead and continue on your way in blissful ignorance.
+
+this.ContentPrefInstance = function ContentPrefInstance(aContext) {
+  this._contentPrefSvc = Cc["@mozilla.org/content-pref/service;1"].
+                           getService(Ci.nsIContentPrefService);
+  this._context = aContext;
+};
+
+ContentPrefInstance.prototype = {
+  getPref: function ContentPrefInstance_init(aName, aGroup, aCallback) {
+    return this._contentPrefSvc.getPref(aName, aGroup, this._context, aCallback);
+  },
+
+  setPref: function ContentPrefInstance_setPref(aGroup, aName, aValue, aContext) {
+    return this._contentPrefSvc.setPref(aGroup, aName, aValue,
+                                        aContext ? aContext : this._context);
+  },
+
+  hasPref: function ContentPrefInstance_hasPref(aGroup, aName) {
+    return this._contentPrefSvc.hasPref(aGroup, aName, this._context);
+  },
+
+  hasCachedPref: function ContentPrefInstance_hasCachedPref(aGroup, aName) {
+    return this._contentPrefSvc.hasCachedPref(aGroup, aName, this._context);
+  },
+
+  removePref: function ContentPrefInstance_removePref(aGroup, aName) {
+    return this._contentPrefSvc.removePref(aGroup, aName, this._context);
+  },
+
+  removeGroupedPrefs: function ContentPrefInstance_removeGroupedPrefs() {
+    return this._contentPrefSvc.removeGroupedPrefs(this._context);
+  },
+
+  removePrefsByName: function ContentPrefInstance_removePrefsByName(aName) {
+    return this._contentPrefSvc.removePrefsByName(aName, this._context);
+  },
+
+  getPrefs: function ContentPrefInstance_getPrefs(aGroup) {
+    return this._contentPrefSvc.getPrefs(aGroup, this._context);
+  },
+
+  getPrefsByName: function ContentPrefInstance_getPrefsByName(aName) {
+    return this._contentPrefSvc.getPrefsByName(aName, this._context);
+  },
+
+  addObserver: function ContentPrefInstance_addObserver(aName, aObserver) {
+    return this._contentPrefSvc.addObserver(aName, aObserver);
+  },
+
+  removeObserver: function ContentPrefInstance_removeObserver(aName, aObserver) {
+    return this._contentPrefSvc.removeObserver(aName, aObserver);
+  },
+
+  get grouper() {
+    return this._contentPrefSvc.grouper;
+  },
+
+  get DBConnection() {
+    return this._contentPrefSvc.DBConnection;
+  }
+};