1 files changed, 70 insertions, 0 deletions
diff --git a/dom/storage/PBackgroundStorage.ipdl b/dom/storage/PBackgroundStorage.ipdl
new file mode 100644
index 0000000000..44e7c8a612
--- /dev/null
+++ b/dom/storage/PBackgroundStorage.ipdl
@@ -0,0 +1,70 @@
+/* -*- 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 PBackground;
+
+include "mozilla/dom/quota/SerializationHelpers.h";
+
+using mozilla::OriginAttributesPattern
+  from "mozilla/OriginAttributes.h";
+
+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.
+ */
+[ManualDealloc, ChildImpl=virtual, ParentImpl=virtual]
+sync protocol PBackgroundStorage
+{
+  manager PBackground;
+
+parent:
+  async DeleteMe();
+
+  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();
+
+  // These are privileged operations for use only by the observer API for
+  // delayed initialization and clearing origins and will never be used from
+  // content process children.  Ideally these would be guarded by checks or
+  // exist on a separate, privileged interface, but PBackgroundStorage is
+  // already insecure.
+  async Startup();
+  async ClearAll();
+  async ClearMatchingOrigin(nsCString originNoSuffix);
+  async ClearMatchingOriginAttributes(OriginAttributesPattern pattern);
+
+child:
+  async __delete__();
+
+  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);
+};
+
+}
+}