1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_MIDI_DISPATCHER_HOST_H_
6 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MIDI_DISPATCHER_HOST_H_
8 #include "content/public/browser/browser_message_filter.h"
16 // MIDIDispatcherHost handles permissions for using system exclusive messages.
17 // It works as BrowserMessageFilter to handle IPC messages between
18 // MIDIDispatcher running as a RenderViewObserver.
19 class MIDIDispatcherHost : public BrowserMessageFilter {
21 MIDIDispatcherHost(int render_process_id, BrowserContext* browser_context);
23 // BrowserMessageFilter implementation.
24 virtual bool OnMessageReceived(const IPC::Message& message,
25 bool* message_was_ok) OVERRIDE;
26 virtual void OverrideThreadForMessage(
27 const IPC::Message& message, BrowserThread::ID* thread) OVERRIDE;
30 virtual ~MIDIDispatcherHost();
33 void OnRequestSysExPermission(int render_view_id,
36 void OnCancelSysExPermissionRequest(int render_view_id,
38 const GURL& requesting_frame);
39 void WasSysExPermissionGranted(int render_view_id,
43 int render_process_id_;
44 BrowserContext* browser_context_;
46 DISALLOW_COPY_AND_ASSIGN(MIDIDispatcherHost);
49 } // namespace content
51 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MIDI_DISPATCHER_HOST_H_