1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "VrManagerService" 18 19 #include <android_runtime/AndroidRuntime.h> 20 #include <jni.h> 21 #include <nativehelper/JNIHelp.h> 22 23 #include <android/hardware/vr/1.0/IVr.h> 24 #include <utils/Errors.h> 25 #include <utils/Log.h> 26 27 namespace android { 28 29 using ::android::hardware::vr::V1_0::IVr; 30 31 static sp<IVr> gVr; 32 33 static void init_native(JNIEnv* /* env */, jclass /* clazz */) { 34 // TODO(b/31632518) 35 if (gVr != nullptr) { 36 // This call path should never be hit. 37 ALOGE("%s: May not initialize IVr interface module more than once!", __FUNCTION__); 38 return; 39 } 40 41 gVr = IVr::getService(); 42 if (gVr == nullptr) { 43 ALOGW("%s: Could not open IVr interface", __FUNCTION__); 44 return; 45 } 46 47 gVr->init(); 48 } 49 50 static void setVrMode_native(JNIEnv* /* env */, jclass /* clazz */, jboolean enabled) { 51 if (gVr == nullptr) { 52 // There is no VR hardware module implemented, do nothing. 53 return; 54 } 55 56 // Call set_vr_mode method, this must be implemented if the HAL exists. 57 gVr->setVrMode(static_cast<bool>(enabled)); 58 } 59 60 static const JNINativeMethod method_table[] = { 61 { "initializeNative", "()V", (void*)init_native }, 62 { "setVrModeNative", "(Z)V", (void*)setVrMode_native }, 63 }; 64 65 int register_android_server_vr_VrManagerService(JNIEnv *env) 66 { 67 return jniRegisterNativeMethods(env, "com/android/server/vr/VrManagerService", 68 method_table, NELEM(method_table)); 69 } 70 71 }; // namespace android 72
