| /* |
| * Copyright (C) 2016 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. |
| */ |
| |
| #ifndef ANDROID_OS_HW_REMOTE_BINDER_H |
| #define ANDROID_OS_HW_REMOTE_BINDER_H |
| |
| #include <android-base/macros.h> |
| #include <hwbinder/Binder.h> |
| #include <jni.h> |
| #include <utils/Mutex.h> |
| #include <utils/RefBase.h> |
| #include <vector> |
| |
| namespace android { |
| |
| // Per-IBinder death recipient bookkeeping. This is how we reconcile local jobject |
| // death recipient references passed in through JNI with the permanent corresponding |
| // HwBinderDeathRecipient objects. |
| |
| class HwBinderDeathRecipient; |
| |
| class HwBinderDeathRecipientList : public RefBase { |
| std::vector<sp<HwBinderDeathRecipient>> mList; |
| Mutex mLock; |
| |
| public: |
| HwBinderDeathRecipientList(); |
| ~HwBinderDeathRecipientList(); |
| |
| void add(const sp<HwBinderDeathRecipient>& recipient); |
| void remove(const sp<HwBinderDeathRecipient>& recipient); |
| |
| // finds the most recently added matching death recipient |
| sp<HwBinderDeathRecipient> find(jobject recipient); |
| |
| Mutex& lock(); // Use with care; specifically for mutual exclusion during binder death |
| }; |
| |
| struct JHwRemoteBinder : public RefBase { |
| static void InitClass(JNIEnv *env); |
| |
| static sp<JHwRemoteBinder> SetNativeContext( |
| JNIEnv *env, jobject thiz, const sp<JHwRemoteBinder> &context); |
| |
| static sp<JHwRemoteBinder> GetNativeContext(JNIEnv *env, jobject thiz); |
| |
| static jobject NewObject(JNIEnv *env, const sp<hardware::IBinder> &binder); |
| |
| JHwRemoteBinder( |
| JNIEnv *env, jobject thiz, const sp<hardware::IBinder> &binder); |
| |
| sp<hardware::IBinder> getBinder() const; |
| void setBinder(const sp<hardware::IBinder> &binder); |
| sp<HwBinderDeathRecipientList> getDeathRecipientList() const; |
| |
| protected: |
| virtual ~JHwRemoteBinder(); |
| |
| private: |
| jobject mObject; |
| |
| sp<hardware::IBinder> mBinder; |
| sp<HwBinderDeathRecipientList> mDeathRecipientList; |
| DISALLOW_COPY_AND_ASSIGN(JHwRemoteBinder); |
| }; |
| |
| int register_android_os_HwRemoteBinder(JNIEnv *env); |
| |
| } // namespace android |
| |
| #endif // ANDROID_OS_HW_REMOTE_BINDER_H |
| |