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
init_native(JNIEnv *,jclass)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
setVrMode_native(JNIEnv *,jclass,jboolean enabled)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
register_android_server_vr_VrManagerService(JNIEnv * env)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