Index: extensions/browser/api/messaging/native_messaging_channel.h |
diff --git a/extensions/browser/api/messaging/native_messaging_channel.h b/extensions/browser/api/messaging/native_messaging_channel.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..90425ba5099a86dac2cbfe2173d1a8d3b64fe2e4 |
--- /dev/null |
+++ b/extensions/browser/api/messaging/native_messaging_channel.h |
@@ -0,0 +1,45 @@ |
+// Copyright 2014 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 EXTENSIONS_BROWSER_API_MESSAGING_NATIVE_MESSAGING_CHANNEL_H_ |
+#define EXTENSIONS_BROWSER_API_MESSAGING_NATIVE_MESSAGING_CHANNEL_H_ |
+ |
+#include "base/callback.h" |
+ |
+namespace base { |
+class Value; |
+} // namespace base |
+ |
+namespace extensions { |
+ |
+// An interface to receive and send messages between a native component and |
+// chrome. |
+class NativeMessagingChannel { |
+ public: |
+ // Callback interface for the channel. EventHandler must outlive |
+ // NativeMessagingChannel. |
+ class EventHandler { |
+ public: |
+ // Called when a message is received from the other endpoint. |
+ virtual void OnMessage(scoped_ptr<base::Value> message) = 0; |
+ |
+ // Called when the channel is disconnected. |
+ // EventHandler is guaranteed not to be called after OnDisconnect(). |
+ virtual void OnDisconnect() = 0; |
+ |
+ virtual ~EventHandler() {} |
+ }; |
+ |
+ virtual ~NativeMessagingChannel() {} |
+ |
+ // Starts reading and processing messages. |
+ virtual void Start(EventHandler* event_handler) = 0; |
+ |
+ // Sends a message to the other endpoint. |
+ virtual void SendMessage(scoped_ptr<base::Value> message) = 0; |
+}; |
+ |
+} // namespace extensions |
+ |
+#endif // EXTENSIONS_BROWSER_API_MESSAGING_NATIVE_MESSAGING_CHANNEL_H_ |