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