AppCachePlumbing

chrome/common/app_cache/app_cache_dispatcher_host.h

+// Copyright (c) 2009 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 CHROME_COMMON_APP_CACHE_APP_CACHE_DISPATCHER_HOST_H_
+#define CHROME_COMMON_APP_CACHE_APP_CACHE_DISPATCHER_HOST_H_
+
+#include "base/id_map.h"
+#include "chrome/common/ipc_message.h"
+#include "webkit/glue/webappcachecontext.h"
+
+class GURL;
+
+// Handles app cache related messages sent to the main browser process from
+// its child processes. There is a distinct host for each child process.
+// Messages are handled on the IO thread. The ResourceMessageFilter creates
+// an instance and delegates calls to it.
+class AppCacheDispatcherHost {
+ public:
+  AppCacheDispatcherHost() : sender_(NULL) {}
+  ~AppCacheDispatcherHost();
+  void Initialize(IPC::Message::Sender* sender);
+  bool OnMessageReceived(const IPC::Message& msg, bool* msg_is_ok);
+
+ private:
+  // AppCacheContextImpl related messages
+  void OnContextCreated(WebAppCacheContext::ContextType context_type,
+                        int context_id, int opt_parent_id);
+  void OnContextDestroyed(int context_id);
+  void OnSelectAppCache(int context_id,
+                        int select_request_id,
+                        const GURL& document_url,
+                        int64 cache_document_was_loaded_from,
+                        const GURL& opt_manifest_url);
+
+  bool Send(IPC::Message* msg) {
+    return sender_->Send(msg);
+  }
+
+  IPC::Message::Sender* sender_;
+};
+
+#endif  // CHROME_COMMON_APP_CACHE_APP_CACHE_DISPATCHER_HOST_H_