1 files changed, 75 insertions, 0 deletions
diff --git a/webkit/appcache/appcache_interfaces.h b/webkit/appcache/appcache_interfaces.h
new file mode 100644
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--- /dev/null
+++ b/webkit/appcache/appcache_interfaces.h
@@ -0,0 +1,75 @@
+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WEBKIT_APPCACHE_APPCACHE_INTERFACES_H_
+#define WEBKIT_APPCACHE_APPCACHE_INTERFACES_H_
+
+#include <vector>
+#include "base/basictypes.h"
+
+class GURL;
+
+namespace appcache {
+
+// Defines constants, types, and abstract classes used in the main
+// process and in child processes.
+
+static const int kNoHostId = 0;
+static const int64 kNoCacheId = 0;
+static const int64 kUnknownCacheId = -1;
+
+enum Status {
+  UNCACHED,
+  IDLE,
+  CHECKING,
+  DOWNLOADING,
+  UPDATE_READY,
+  OBSOLETE
+};
+
+enum EventID {
+  CHECKING_EVENT,
+  ERROR_EVENT,
+  NO_UPDATE_EVENT,
+  DOWNLOADING_EVENT,
+  PROGRESS_EVENT,
+  UPDATE_READY_EVENT,
+  CACHED_EVENT,
+  OBSOLETE_EVENT
+};
+
+// Interface used by backend to talk to frontend.
+class AppCacheFrontend {
+ public:
+  virtual void OnCacheSelected(int host_id, int64 cache_id ,
+                               Status status) = 0;
+  virtual void OnStatusChanged(const std::vector<int>& host_ids,
+                               Status status) = 0;
+  virtual void OnEventRaised(const std::vector<int>& host_ids,
+                             EventID event_id) = 0;
+
+  virtual ~AppCacheFrontend() {}
+};
+
+// Interface used by frontend to talk to backend.
+class AppCacheBackend {
+ public:
+  virtual void RegisterHost(int host_id) = 0;
+  virtual void UnregisterHost(int host_id) = 0;
+  virtual void SelectCache(int host_id,
+                           const GURL& document_url,
+                           const int64 cache_document_was_loaded_from,
+                           const GURL& manifest_url) = 0;
+  virtual void MarkAsForeignEntry(int host_id, const GURL& document_url,
+                                  int64 cache_document_was_loaded_from) = 0;
+  virtual Status GetStatus(int host_id) = 0;
+  virtual bool StartUpdate(int host_id) = 0;
+  virtual bool SwapCache(int host_id) = 0;
+
+  virtual ~AppCacheBackend() {}
+};
+
+}  // namespace
+
+#endif  // WEBKIT_APPCACHE_APPCACHE_INTERFACES_H_