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