blob: 8f93c3d47a0fd48b262b6cc0e5e8f88f31862200 [file] [log] [blame]
// 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.
#include "media/midi/usb_midi_device_android.h"
#include <jni.h>
#include <vector>
#include "base/android/jni_array.h"
#include "base/time/time.h"
#include "jni/UsbMidiDeviceAndroid_jni.h"
namespace media {
UsbMidiDeviceAndroid::UsbMidiDeviceAndroid(ObjectRef raw_device,
UsbMidiDeviceDelegate* delegate)
: raw_device_(raw_device), delegate_(delegate) {
JNIEnv* env = base::android::AttachCurrentThread();
Java_UsbMidiDeviceAndroid_registerSelf(
env, raw_device_.obj(), reinterpret_cast<jlong>(this));
}
UsbMidiDeviceAndroid::~UsbMidiDeviceAndroid() {
JNIEnv* env = base::android::AttachCurrentThread();
Java_UsbMidiDeviceAndroid_close(env, raw_device_.obj());
}
std::vector<uint8> UsbMidiDeviceAndroid::GetDescriptor() {
JNIEnv* env = base::android::AttachCurrentThread();
base::android::ScopedJavaLocalRef<jbyteArray> descriptors =
Java_UsbMidiDeviceAndroid_getDescriptors(env, raw_device_.obj());
std::vector<uint8> ret;
base::android::JavaByteArrayToByteVector(env, descriptors.obj(), &ret);
return ret;
}
void UsbMidiDeviceAndroid::Send(int endpoint_number,
const std::vector<uint8>& data) {
JNIEnv* env = base::android::AttachCurrentThread();
const uint8* head = data.size() ? &data[0] : NULL;
ScopedJavaLocalRef<jbyteArray> data_to_pass =
base::android::ToJavaByteArray(env, head, data.size());
Java_UsbMidiDeviceAndroid_send(
env, raw_device_.obj(), endpoint_number, data_to_pass.obj());
}
void UsbMidiDeviceAndroid::OnData(JNIEnv* env,
jobject caller,
jint endpoint_number,
jbyteArray data) {
std::vector<uint8> bytes;
base::android::JavaByteArrayToByteVector(env, data, &bytes);
const uint8* head = bytes.size() ? &bytes[0] : NULL;
delegate_->ReceiveUsbMidiData(this, endpoint_number, head, bytes.size(),
base::TimeTicks::HighResNow());
}
bool UsbMidiDeviceAndroid::RegisterUsbMidiDevice(JNIEnv* env) {
return RegisterNativesImpl(env);
}
} // namespace media