1/*
2 * Copyright (C) 2007 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_DEALER_H
18#define ANDROID_MEMORY_DEALER_H
19
20
21#include <stdint.h>
22#include <sys/types.h>
23
24#include <binder/IMemory.h>
25#include <binder/MemoryHeapBase.h>
26
27namespace android {
28// ----------------------------------------------------------------------------
29
30class SimpleBestFitAllocator;
31
32// ----------------------------------------------------------------------------
33
34class MemoryDealer : public RefBase
35{
36public:
37    MemoryDealer(size_t size, const char* name = 0);
38
39    virtual sp<IMemory> allocate(size_t size);
40    virtual void        deallocate(size_t offset);
41    virtual void        dump(const char* what) const;
42
43    sp<IMemoryHeap> getMemoryHeap() const { return heap(); }
44
45protected:
46    virtual ~MemoryDealer();
47
48private:
49    const sp<IMemoryHeap>&      heap() const;
50    SimpleBestFitAllocator*     allocator() const;
51
52    sp<IMemoryHeap>             mHeap;
53    SimpleBestFitAllocator*     mAllocator;
54};
55
56
57// ----------------------------------------------------------------------------
58}; // namespace android
59
60#endif // ANDROID_MEMORY_DEALER_H
61