media/midi/midi_output_port_android.cc

   1 // Copyright 2015 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.
   4
   5 #include "media/midi/midi_output_port_android.h"
   6
   7 #include "base/android/jni_array.h"
   8 #include "jni/MidiOutputPortAndroid_jni.h"
   9
  10 namespace media {
  11 namespace midi {
  12
  13 MidiOutputPortAndroid::MidiOutputPortAndroid(JNIEnv* env, jobject raw)
  14     : raw_port_(env, raw) {}
  15 MidiOutputPortAndroid::~MidiOutputPortAndroid() {
  16   Close();
  17 }
  18
  19 bool MidiOutputPortAndroid::Open() {
  20   JNIEnv* env = base::android::AttachCurrentThread();
  21   return Java_MidiOutputPortAndroid_open(env, raw_port_.obj());
  22 }
  23
  24 void MidiOutputPortAndroid::Close() {
  25   JNIEnv* env = base::android::AttachCurrentThread();
  26   Java_MidiOutputPortAndroid_close(env, raw_port_.obj());
  27 }
  28
  29 void MidiOutputPortAndroid::Send(const std::vector<uint8>& data) {
  30   if (data.size() == 0) {
  31     return;
  32   }
  33
  34   JNIEnv* env = base::android::AttachCurrentThread();
  35   ScopedJavaLocalRef<jbyteArray> data_to_pass =
  36       base::android::ToJavaByteArray(env, &data[0], data.size());
  37
  38   Java_MidiOutputPortAndroid_send(env, raw_port_.obj(), data_to_pass.obj());
  39 }
  40
  41 bool MidiOutputPortAndroid::Register(JNIEnv* env) {
  42   return RegisterNativesImpl(env);
  43 }
  44
  45 }  // namespace midi
  46 }  // namespace media