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// 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 MEDIA_MIDI_USB_MIDI_DEVICE_ANDROID_H_
#define MEDIA_MIDI_USB_MIDI_DEVICE_ANDROID_H_
#include <jni.h>
#include <string>
#include <vector>
#include "base/android/scoped_java_ref.h"
#include "base/basictypes.h"
#include "base/callback.h"
#include "media/midi/usb_midi_device.h"
#include "media/midi/usb_midi_export.h"
namespace media {
namespace midi {
class USB_MIDI_EXPORT UsbMidiDeviceAndroid : public UsbMidiDevice {
public:
typedef base::android::ScopedJavaLocalRef<jobject> ObjectRef;
static scoped_ptr<Factory> CreateFactory();
UsbMidiDeviceAndroid(ObjectRef raw_device, UsbMidiDeviceDelegate* delegate);
~UsbMidiDeviceAndroid() override;
// UsbMidiDevice implementation.
std::vector<uint8> GetDescriptors() override;
std::string GetManufacturer() override;
std::string GetProductName() override;
std::string GetDeviceVersion() override;
void Send(int endpoint_number, const std::vector<uint8>& data) override;
// Called by the Java world.
void OnData(JNIEnv* env,
jobject caller,
jint endpoint_number,
jbyteArray data);
static bool RegisterUsbMidiDevice(JNIEnv* env);
private:
void GetDescriptorsInternal();
void InitDeviceInfo();
std::vector<uint8> GetStringDescriptor(int index);
std::string GetString(int index, const std::string& backup);
// The actual device object.
base::android::ScopedJavaGlobalRef<jobject> raw_device_;
UsbMidiDeviceDelegate* delegate_;
std::vector<uint8> descriptors_;
std::string manufacturer_;
std::string product_;
std::string device_version_;
DISALLOW_IMPLICIT_CONSTRUCTORS(UsbMidiDeviceAndroid);
};
} // namespace midi
} // namespace media
#endif // MEDIA_MIDI_USB_MIDI_DEVICE_ANDROID_H_
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