Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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 | #ifndef ANDROID_OS_NATIVE_HANDLE_H |
| 18 | #define ANDROID_OS_NATIVE_HANDLE_H |
| 19 | |
| 20 | #include "hwbinder/EphemeralStorage.h" |
| 21 | |
| 22 | #include <cutils/native_handle.h> |
| 23 | #include <jni.h> |
| 24 | |
| 25 | namespace android { |
| 26 | |
| 27 | struct JNativeHandle { |
| 28 | |
| 29 | /** |
| 30 | * Returns a Java NativeHandle object representing the parameterized |
| 31 | * native_handle_t instance. |
| 32 | */ |
| 33 | static jobject MakeJavaNativeHandleObj(JNIEnv *env, const native_handle_t *handle); |
| 34 | |
| 35 | /** |
| 36 | * Returns a heap-allocated native_handle_t instance representing the |
| 37 | * parameterized Java object. Note that if no valid EphemeralStorage* |
| 38 | * parameter is supplied (storage is nullptr), the return value must |
| 39 | * be explicitly deallocated (using native_handle_delete). |
| 40 | */ |
| 41 | static native_handle_t* MakeCppNativeHandle(JNIEnv *env, jobject jHandle, |
| 42 | EphemeralStorage *storage); |
| 43 | |
| 44 | /** |
| 45 | * Returns an (uninitialized) array of Java NativeHandle objects. |
| 46 | */ |
| 47 | static jobjectArray AllocJavaNativeHandleObjArray(JNIEnv *env, jsize length); |
| 48 | }; |
| 49 | |
| 50 | } |
| 51 | |
| 52 | #endif // ANDROID_OS_NATIVE_HANDLE_H |