| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "NativeMIDI_JNI" |
| |
| #include <core_jni_helpers.h> |
| |
| namespace android { namespace midi { |
| // MidiDevice Fields |
| static jobject gMidiDeviceClassGlobalRef = nullptr; // A GlobalRef for MidiDevice Class |
| jfieldID gFidMidiNativeHandle = nullptr; // MidiDevice.mNativeHandle |
| jfieldID gFidMidiDeviceServerBinder = nullptr; // MidiDevice.mDeviceServerBinder |
| jfieldID gFidMidiDeviceInfo = nullptr; // MidiDevice.mDeviceInfo |
| |
| // MidiDeviceInfo Fields |
| static jobject gMidiDeviceInfoClassGlobalRef = nullptr; // A GlobalRef for MidiDeviceInfoClass |
| jfieldID mFidMidiDeviceId = nullptr; // MidiDeviceInfo.mId |
| }} |
| |
| using namespace android::midi; |
| |
| int register_android_media_midi(JNIEnv *env) { |
| jclass deviceClass = android::FindClassOrDie(env, "android/media/midi/MidiDevice"); |
| gMidiDeviceClassGlobalRef = env->NewGlobalRef(deviceClass); |
| |
| // MidiDevice Field IDs |
| gFidMidiNativeHandle = android::GetFieldIDOrDie(env, deviceClass, "mNativeHandle", "J"); |
| gFidMidiDeviceServerBinder = android::GetFieldIDOrDie(env, deviceClass, |
| "mDeviceServerBinder", "Landroid/os/IBinder;"); |
| gFidMidiDeviceInfo = android::GetFieldIDOrDie(env, deviceClass, |
| "mDeviceInfo", "Landroid/media/midi/MidiDeviceInfo;"); |
| |
| // MidiDeviceInfo Field IDs |
| jclass deviceInfoClass = android::FindClassOrDie(env, "android/media/midi/MidiDeviceInfo"); |
| gMidiDeviceInfoClassGlobalRef = env->NewGlobalRef(deviceInfoClass); |
| mFidMidiDeviceId = android::GetFieldIDOrDie(env, deviceInfoClass, "mId", "I"); |
| |
| return 0; |
| } |