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Side by Side Diff: media/midi/usb_midi_device.h

Issue 1121363002: GN Windows component build fixes (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@component2
Patch Set: . Created 5 years, 7 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 MEDIA_MIDI_USB_MIDI_DEVICE_H_ 5 #ifndef MEDIA_MIDI_USB_MIDI_DEVICE_H_
6 #define MEDIA_MIDI_USB_MIDI_DEVICE_H_ 6 #define MEDIA_MIDI_USB_MIDI_DEVICE_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
11 #include "base/callback.h" 11 #include "base/callback.h"
12 #include "base/memory/scoped_vector.h" 12 #include "base/memory/scoped_vector.h"
13 #include "base/time/time.h" 13 #include "base/time/time.h"
14 #include "media/base/media_export.h" 14 #include "media/midi/usb_midi_export.h"
15 15
16 namespace media { 16 namespace media {
17 17
18 class MidiManagerUsb; 18 class MidiManagerUsb;
19 class UsbMidiDevice; 19 class UsbMidiDevice;
20 20
21 // Delegate class for UsbMidiDevice. 21 // Delegate class for UsbMidiDevice.
22 // Each method is called when an corresponding event arrives at the device. 22 // Each method is called when an corresponding event arrives at the device.
23 class MEDIA_EXPORT UsbMidiDeviceDelegate { 23 class USB_MIDI_EXPORT UsbMidiDeviceDelegate {
24 public: 24 public:
25 virtual ~UsbMidiDeviceDelegate() {} 25 virtual ~UsbMidiDeviceDelegate() {}
26 26
27 // Called when USB-MIDI data arrives at |device|. 27 // Called when USB-MIDI data arrives at |device|.
28 virtual void ReceiveUsbMidiData(UsbMidiDevice* device, 28 virtual void ReceiveUsbMidiData(UsbMidiDevice* device,
29 int endpoint_number, 29 int endpoint_number,
30 const uint8* data, 30 const uint8* data,
31 size_t size, 31 size_t size,
32 base::TimeTicks time) = 0; 32 base::TimeTicks time) = 0;
33 33
34 // Called when a USB-MIDI device is attached. 34 // Called when a USB-MIDI device is attached.
35 virtual void OnDeviceAttached(scoped_ptr<UsbMidiDevice> device) = 0; 35 virtual void OnDeviceAttached(scoped_ptr<UsbMidiDevice> device) = 0;
36 // Called when a USB-MIDI device is detached. 36 // Called when a USB-MIDI device is detached.
37 virtual void OnDeviceDetached(size_t index) = 0; 37 virtual void OnDeviceDetached(size_t index) = 0;
38 }; 38 };
39 39
40 // UsbMidiDevice represents a USB-MIDI device. 40 // UsbMidiDevice represents a USB-MIDI device.
41 // This is an interface class and each platform-dependent implementation class 41 // This is an interface class and each platform-dependent implementation class
42 // will be a derived class. 42 // will be a derived class.
43 class MEDIA_EXPORT UsbMidiDevice { 43 class USB_MIDI_EXPORT UsbMidiDevice {
44 public: 44 public:
45 typedef ScopedVector<UsbMidiDevice> Devices; 45 typedef ScopedVector<UsbMidiDevice> Devices;
46 46
47 // Factory class for USB-MIDI devices. 47 // Factory class for USB-MIDI devices.
48 // Each concrete implementation will find and create devices 48 // Each concrete implementation will find and create devices
49 // in platform-dependent way. 49 // in platform-dependent way.
50 class Factory { 50 class Factory {
51 public: 51 public:
52 typedef base::Callback<void(bool result, Devices* devices)> Callback; 52 typedef base::Callback<void(bool result, Devices* devices)> Callback;
53 virtual ~Factory() {} 53 virtual ~Factory() {}
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78 // Return the device version. 78 // Return the device version.
79 virtual std::string GetDeviceVersion() = 0; 79 virtual std::string GetDeviceVersion() = 0;
80 80
81 // Sends |data| to the given USB endpoint of this device. 81 // Sends |data| to the given USB endpoint of this device.
82 virtual void Send(int endpoint_number, const std::vector<uint8>& data) = 0; 82 virtual void Send(int endpoint_number, const std::vector<uint8>& data) = 0;
83 }; 83 };
84 84
85 } // namespace media 85 } // namespace media
86 86
87 #endif // MEDIA_MIDI_USB_MIDI_DEVICE_H_ 87 #endif // MEDIA_MIDI_USB_MIDI_DEVICE_H_
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