1 /* 2 * Copyright (C) 2008 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_BINDER_H 18 #define ANDROID_BINDER_H 19 20 #include <binder/IBinder.h> 21 22 // --------------------------------------------------------------------------- 23 namespace android { 24 25 class BBinder : public IBinder 26 { 27 public: 28 BBinder(); 29 30 virtual const String16& getInterfaceDescriptor() const; 31 virtual bool isBinderAlive() const; 32 virtual status_t pingBinder(); 33 virtual status_t dump(int fd, const Vector<String16>& args); 34 35 virtual status_t transact( uint32_t code, 36 const Parcel& data, 37 Parcel* reply, 38 uint32_t flags = 0); 39 40 virtual status_t linkToDeath(const sp<DeathRecipient>& recipient, 41 void* cookie = NULL, 42 uint32_t flags = 0); 43 44 virtual status_t unlinkToDeath( const wp<DeathRecipient>& recipient, 45 void* cookie = NULL, 46 uint32_t flags = 0, 47 wp<DeathRecipient>* outRecipient = NULL); 48 49 virtual void attachObject( const void* objectID, 50 void* object, 51 void* cleanupCookie, 52 object_cleanup_func func); 53 virtual void* findObject(const void* objectID) const; 54 virtual void detachObject(const void* objectID); 55 56 virtual BBinder* localBinder(); 57 58 protected: 59 virtual ~BBinder(); 60 61 virtual status_t onTransact( uint32_t code, 62 const Parcel& data, 63 Parcel* reply, 64 uint32_t flags = 0); 65 66 private: 67 BBinder(const BBinder& o); 68 BBinder& operator=(const BBinder& o); 69 70 class Extras; 71 72 Extras* mExtras; 73 void* mReserved0; 74 }; 75 76 // --------------------------------------------------------------------------- 77 78 class BpRefBase : public virtual RefBase 79 { 80 protected: 81 BpRefBase(const sp<IBinder>& o); 82 virtual ~BpRefBase(); 83 virtual void onFirstRef(); 84 virtual void onLastStrongRef(const void* id); 85 virtual bool onIncStrongAttempted(uint32_t flags, const void* id); 86 87 inline IBinder* remote() { return mRemote; } 88 inline IBinder* remote() const { return mRemote; } 89 90 private: 91 BpRefBase(const BpRefBase& o); 92 BpRefBase& operator=(const BpRefBase& o); 93 94 IBinder* const mRemote; 95 RefBase::weakref_type* mRefs; 96 volatile int32_t mState; 97 }; 98 99 }; // namespace android 100 101 // --------------------------------------------------------------------------- 102 103 #endif // ANDROID_BINDER_H 104