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Side by Side Diff: content/browser/media/midi_host.h

Issue 1086073004: Web MIDI: namespace change from media to media::midi (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@null
Patch Set: (rebase) Created 5 years, 7 months ago
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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CONTENT_BROWSER_MEDIA_MIDI_HOST_H_ 5 #ifndef CONTENT_BROWSER_MEDIA_MIDI_HOST_H_
6 #define CONTENT_BROWSER_MEDIA_MIDI_HOST_H_ 6 #define CONTENT_BROWSER_MEDIA_MIDI_HOST_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/gtest_prod_util.h" 10 #include "base/gtest_prod_util.h"
11 #include "base/memory/ref_counted.h" 11 #include "base/memory/ref_counted.h"
12 #include "base/memory/scoped_ptr.h" 12 #include "base/memory/scoped_ptr.h"
13 #include "base/memory/scoped_vector.h" 13 #include "base/memory/scoped_vector.h"
14 #include "base/synchronization/lock.h" 14 #include "base/synchronization/lock.h"
15 #include "content/common/content_export.h" 15 #include "content/common/content_export.h"
16 #include "content/public/browser/browser_message_filter.h" 16 #include "content/public/browser/browser_message_filter.h"
17 #include "content/public/browser/browser_thread.h" 17 #include "content/public/browser/browser_thread.h"
18 #include "media/midi/midi_manager.h" 18 #include "media/midi/midi_manager.h"
19 #include "media/midi/midi_port_info.h" 19 #include "media/midi/midi_port_info.h"
20 20
21 namespace media { 21 namespace media {
22 namespace midi {
22 class MidiManager; 23 class MidiManager;
23 class MidiMessageQueue; 24 class MidiMessageQueue;
24 } 25 }
26 }
25 27
26 namespace content { 28 namespace content {
27 29
28 class CONTENT_EXPORT MidiHost 30 class CONTENT_EXPORT MidiHost : public BrowserMessageFilter,
29 : public BrowserMessageFilter, 31 public media::midi::MidiManagerClient {
30 public media::MidiManagerClient {
31 public: 32 public:
32 // Called from UI thread from the owner of this object. 33 // Called from UI thread from the owner of this object.
33 MidiHost(int renderer_process_id, media::MidiManager* midi_manager); 34 MidiHost(int renderer_process_id, media::midi::MidiManager* midi_manager);
34 35
35 // BrowserMessageFilter implementation. 36 // BrowserMessageFilter implementation.
36 void OnDestruct() const override; 37 void OnDestruct() const override;
37 bool OnMessageReceived(const IPC::Message& message) override; 38 bool OnMessageReceived(const IPC::Message& message) override;
38 39
39 // MidiManagerClient implementation. 40 // MidiManagerClient implementation.
40 void CompleteStartSession(media::MidiResult result) override; 41 void CompleteStartSession(media::midi::MidiResult result) override;
41 void AddInputPort(const media::MidiPortInfo& info) override; 42 void AddInputPort(const media::midi::MidiPortInfo& info) override;
42 void AddOutputPort(const media::MidiPortInfo& info) override; 43 void AddOutputPort(const media::midi::MidiPortInfo& info) override;
43 void SetInputPortState(uint32 port, media::MidiPortState state) override; 44 void SetInputPortState(uint32 port,
44 void SetOutputPortState(uint32 port, media::MidiPortState state) override; 45 media::midi::MidiPortState state) override;
46 void SetOutputPortState(uint32 port,
47 media::midi::MidiPortState state) override;
45 void ReceiveMidiData(uint32 port, 48 void ReceiveMidiData(uint32 port,
46 const uint8* data, 49 const uint8* data,
47 size_t length, 50 size_t length,
48 double timestamp) override; 51 double timestamp) override;
49 void AccumulateMidiBytesSent(size_t n) override; 52 void AccumulateMidiBytesSent(size_t n) override;
50 53
51 // Start session to access MIDI hardware. 54 // Start session to access MIDI hardware.
52 void OnStartSession(); 55 void OnStartSession();
53 56
54 // Data to be sent to a MIDI output port. 57 // Data to be sent to a MIDI output port.
(...skipping 25 matching lines...) Expand all
80 bool has_sys_ex_permission_; 83 bool has_sys_ex_permission_;
81 84
82 // Represents if a session is requested to start. 85 // Represents if a session is requested to start.
83 bool is_session_requested_; 86 bool is_session_requested_;
84 87
85 // |midi_manager_| talks to the platform-specific MIDI APIs. 88 // |midi_manager_| talks to the platform-specific MIDI APIs.
86 // It can be NULL if the platform (or our current implementation) 89 // It can be NULL if the platform (or our current implementation)
87 // does not support MIDI. If not supported then a call to 90 // does not support MIDI. If not supported then a call to
88 // OnRequestAccess() will always refuse access and a call to 91 // OnRequestAccess() will always refuse access and a call to
89 // OnSendData() will do nothing. 92 // OnSendData() will do nothing.
90 media::MidiManager* const midi_manager_; 93 media::midi::MidiManager* const midi_manager_;
91 94
92 // Buffers where data sent from each MIDI input port is stored. 95 // Buffers where data sent from each MIDI input port is stored.
93 ScopedVector<media::MidiMessageQueue> received_messages_queues_; 96 ScopedVector<media::midi::MidiMessageQueue> received_messages_queues_;
94 97
95 // Protects access to |received_messages_queues_|; 98 // Protects access to |received_messages_queues_|;
96 base::Lock messages_queues_lock_; 99 base::Lock messages_queues_lock_;
97 100
98 // The number of bytes sent to the platform-specific MIDI sending 101 // The number of bytes sent to the platform-specific MIDI sending
99 // system, but not yet completed. 102 // system, but not yet completed.
100 size_t sent_bytes_in_flight_; 103 size_t sent_bytes_in_flight_;
101 104
102 // The number of bytes successfully sent since the last time 105 // The number of bytes successfully sent since the last time
103 // we've acknowledged back to the renderer. 106 // we've acknowledged back to the renderer.
104 size_t bytes_sent_since_last_acknowledgement_; 107 size_t bytes_sent_since_last_acknowledgement_;
105 108
106 // Protects access to |sent_bytes_in_flight_|. 109 // Protects access to |sent_bytes_in_flight_|.
107 base::Lock in_flight_lock_; 110 base::Lock in_flight_lock_;
108 111
109 // How many output port exists. 112 // How many output port exists.
110 uint32 output_port_count_; 113 uint32 output_port_count_;
111 114
112 // Protects access to |output_port_count_|. 115 // Protects access to |output_port_count_|.
113 base::Lock output_port_count_lock_; 116 base::Lock output_port_count_lock_;
114 117
115 DISALLOW_COPY_AND_ASSIGN(MidiHost); 118 DISALLOW_COPY_AND_ASSIGN(MidiHost);
116 }; 119 };
117 120
118 } // namespace content 121 } // namespace content
119 122
120 #endif // CONTENT_BROWSER_MEDIA_MIDI_HOST_H_ 123 #endif // CONTENT_BROWSER_MEDIA_MIDI_HOST_H_
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