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_MEMORY_BASE_H 18 #define ANDROID_MEMORY_BASE_H 19 20 #include <stdlib.h> 21 #include <stdint.h> 22 23 #include <binder/IMemory.h> 24 25 26 namespace android { 27 28 // --------------------------------------------------------------------------- 29 30 class MemoryBase : public BnMemory 31 { 32 public: 33 MemoryBase(const sp<IMemoryHeap>& heap, ssize_t offset, size_t size); 34 virtual ~MemoryBase(); 35 virtual sp<IMemoryHeap> getMemory(ssize_t* offset, size_t* size) const; 36 37 protected: getSize()38 size_t getSize() const { return mSize; } getOffset()39 ssize_t getOffset() const { return mOffset; } getHeap()40 const sp<IMemoryHeap>& getHeap() const { return mHeap; } 41 42 private: 43 size_t mSize; 44 ssize_t mOffset; 45 sp<IMemoryHeap> mHeap; 46 }; 47 48 // --------------------------------------------------------------------------- 49 }; // namespace android 50 51 #endif // ANDROID_MEMORY_BASE_H 52