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
26namespace android {
27
28// ---------------------------------------------------------------------------
29
30class MemoryBase : public BnMemory
31{
32public:
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
37protected:
38    size_t getSize() const { return mSize; }
39    ssize_t getOffset() const { return mOffset; }
40    const sp<IMemoryHeap>& getHeap() const { return mHeap; }
41
42private:
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