Branch CEF3 files from /branches/cef3 to /trunk/cef3 (issue #564).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@571 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/common/response_manager.h

@@ -0,0 +1,62 @@
+// Copyright (c) 2012 The Chromium Embedded Framework 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 CEF_LIBCEF_COMMON_RESPONSE_MANAGER_H_
+#define CEF_LIBCEF_COMMON_RESPONSE_MANAGER_H_
+#pragma once
+
+#include <map>
+#include "include/cef_base.h"
+#include "base/threading/non_thread_safe.h"
+
+struct Cef_Response_Params;
+
+// This class is not thread-safe.
+class CefResponseManager : base::NonThreadSafe {
+ public:
+  // Used for handling response messages.
+  class Handler : public virtual CefBase {
+   public:
+     virtual void OnResponse(const Cef_Response_Params& params) =0;
+  };
+
+  // Used for handling response ack messages.
+  class AckHandler : public virtual CefBase {
+   public:
+     virtual void OnResponseAck() =0;
+  };
+
+  CefResponseManager();
+
+  // Returns the next unique request id.
+  int GetNextRequestId();
+
+  // Register a response handler and return the unique request id.
+  int RegisterHandler(CefRefPtr<Handler> handler);
+
+  // Run the response handler for the specified request id. Returns true if a
+  // handler was run.
+  bool RunHandler(const Cef_Response_Params& params);
+
+  // Register a response ack handler for the specified request id.
+  void RegisterAckHandler(int request_id, CefRefPtr<AckHandler> handler);
+
+  // Run the response ack handler for the specified request id. Returns true if
+  // a handler was run.
+  bool RunAckHandler(int request_id);
+
+ private:
+  // Used for generating unique request ids.
+  int next_request_id_;
+
+  // Map of unique request ids to Handler references.
+  typedef std::map<int, CefRefPtr<Handler> > HandlerMap;
+  HandlerMap handlers_;
+
+  // Map of unique request ids to AckHandler references.
+  typedef std::map<int, CefRefPtr<AckHandler> > AckHandlerMap;
+  AckHandlerMap ack_handlers_;
+};
+
+#endif  // CEF_LIBCEF_COMMON_RESPONSE_MANAGER_H_