1 files changed, 45 insertions, 0 deletions
diff --git a/dom/storage/PStorage.ipdl b/dom/storage/PStorage.ipdl
new file mode 100644
index 0000000000..22b85f7956
--- /dev/null
+++ b/dom/storage/PStorage.ipdl
@@ -0,0 +1,45 @@
+/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
+/* vim: set sw=4 ts=8 et tw=80 ft=cpp : */
+/* 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/. */
+
+include protocol PContent;
+
+namespace mozilla {
+namespace dom {
+
+/* This protocol bridges async access to the database thread running on the parent process
+ * and caches running on the child process.
+ */
+nested(upto inside_cpow) sync protocol PStorage
+{
+  manager PContent;
+
+parent:
+  async __delete__();
+
+  nested(inside_cpow) sync Preload(nsCString originSuffix, nsCString originNoSuffix, uint32_t alreadyLoadedCount)
+    returns (nsString[] keys, nsString[] values, nsresult rv);
+
+  async AsyncPreload(nsCString originSuffix, nsCString originNoSuffix, bool priority);
+  async AsyncGetUsage(nsCString scope);
+  async AsyncAddItem(nsCString originSuffix, nsCString originNoSuffix, nsString key, nsString value);
+  async AsyncUpdateItem(nsCString originSuffix, nsCString originNoSuffix, nsString key, nsString value);
+  async AsyncRemoveItem(nsCString originSuffix, nsCString originNoSuffix, nsString key);
+  async AsyncClear(nsCString originSuffix, nsCString originNoSuffix);
+  async AsyncFlush();
+  
+child:
+  async Observe(nsCString topic,
+                nsString originAttributesPattern,
+                nsCString originScope);
+  async OriginsHavingData(nsCString[] origins);
+  async LoadItem(nsCString originSuffix, nsCString originNoSuffix, nsString key, nsString value);
+  async LoadDone(nsCString originSuffix, nsCString originNoSuffix, nsresult rv);
+  async LoadUsage(nsCString scope, int64_t usage);
+  async Error(nsresult rv);
+};
+
+}
+}