OLD | NEW |
(Empty) | |
| 1 // Copyright (c) 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. |
| 4 |
| 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_MIDI_HOST_H_ |
| 6 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MIDI_HOST_H_ |
| 7 |
| 8 #include "base/memory/ref_counted.h" |
| 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "content/common/content_export.h" |
| 11 #include "content/public/browser/browser_message_filter.h" |
| 12 #include "content/public/browser/browser_thread.h" |
| 13 #include "media/midi/midi_manager.h" |
| 14 |
| 15 namespace media { |
| 16 class MIDIManager; |
| 17 } |
| 18 |
| 19 namespace content { |
| 20 |
| 21 class CONTENT_EXPORT MIDIHost |
| 22 : public BrowserMessageFilter, |
| 23 public media::MIDIManagerClient { |
| 24 public: |
| 25 // Called from UI thread from the owner of this object. |
| 26 MIDIHost(media::MIDIManager* midi_manager); |
| 27 |
| 28 // BrowserMessageFilter implementation. |
| 29 virtual void OnChannelClosing() OVERRIDE; |
| 30 virtual void OnDestruct() const OVERRIDE; |
| 31 virtual bool OnMessageReceived(const IPC::Message& message, |
| 32 bool* message_was_ok) OVERRIDE; |
| 33 |
| 34 // MIDIManagerClient implementation. |
| 35 virtual void ReceiveMIDIData( |
| 36 int port_index, |
| 37 const uint8* data, |
| 38 size_t length, |
| 39 double timestamp) OVERRIDE; |
| 40 |
| 41 // Request access to MIDI hardware. |
| 42 void OnRequestAccess(int client_id, int access); |
| 43 |
| 44 // Data to be sent to a MIDI output port. |
| 45 void OnSendData(int port, |
| 46 const std::vector<uint8>& data, |
| 47 double timestamp); |
| 48 |
| 49 private: |
| 50 friend class base::DeleteHelper<MIDIHost>; |
| 51 friend class BrowserThread; |
| 52 |
| 53 virtual ~MIDIHost(); |
| 54 |
| 55 media::MIDIManager* const midi_manager_; |
| 56 |
| 57 DISALLOW_COPY_AND_ASSIGN(MIDIHost); |
| 58 }; |
| 59 |
| 60 } // namespace content |
| 61 |
| 62 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MIDI_HOST_H_ |
OLD | NEW |