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
3 // found in the LICENSE file.
5 #include "media/midi/usb_midi_device_android.h"
10 #include "base/android/jni_array.h"
11 #include "jni/UsbMidiDeviceAndroid_jni.h"
15 UsbMidiDeviceAndroid::UsbMidiDeviceAndroid(ObjectRef raw_device,
16 UsbMidiDeviceDelegate* delegate)
17 : raw_device_(raw_device), delegate_(delegate) {}
19 UsbMidiDeviceAndroid::~UsbMidiDeviceAndroid() {
20 JNIEnv* env = base::android::AttachCurrentThread();
21 Java_UsbMidiDeviceAndroid_close(env, raw_device_.obj());
24 std::vector<uint8> UsbMidiDeviceAndroid::GetDescriptor() {
25 JNIEnv* env = base::android::AttachCurrentThread();
26 base::android::ScopedJavaLocalRef<jbyteArray> descriptors =
27 Java_UsbMidiDeviceAndroid_getDescriptors(env, raw_device_.obj());
29 std::vector<uint8> ret;
30 base::android::JavaByteArrayToByteVector(env, descriptors.obj(), &ret);
34 void UsbMidiDeviceAndroid::Send(int endpoint_number,
35 const std::vector<uint8>& data) {
36 JNIEnv* env = base::android::AttachCurrentThread();
37 const uint8* head = data.size() ? &data[0] : NULL;
38 ScopedJavaLocalRef<jbyteArray> data_to_pass =
39 base::android::ToJavaByteArray(env, head, data.size());
41 Java_UsbMidiDeviceAndroid_send(
42 env, raw_device_.obj(), endpoint_number, data_to_pass.obj());
45 bool UsbMidiDeviceAndroid::RegisterUsbMidiDevice(JNIEnv* env) {
46 return RegisterNativesImpl(env);