ComposerService.h revision 41f673c9b3aac0d96e41c928845c39186d565212 
1/*
2 * Copyright (C) 2011 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_PRIVATE_GUI_COMPOSER_SERVICE_H
18#define ANDROID_PRIVATE_GUI_COMPOSER_SERVICE_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
23#include <utils/Singleton.h>
24#include <utils/StrongPointer.h>
25
26
27namespace android {
28
29// ---------------------------------------------------------------------------
30
31class IMemoryHeap;
32class ISurfaceComposer;
33class surface_flinger_cblk_t;
34
35// ---------------------------------------------------------------------------
36
37class ComposerService : public Singleton<ComposerService>
38{
39    // these are constants
40    sp<ISurfaceComposer> mComposerService;
41    sp<IMemoryHeap> mServerCblkMemory;
42    surface_flinger_cblk_t volatile* mServerCblk;
43    ComposerService();
44    friend class Singleton<ComposerService>;
45public:
46    static sp<ISurfaceComposer> getComposerService();
47    static surface_flinger_cblk_t const volatile * getControlBlock();
48};
49
50// ---------------------------------------------------------------------------
51}; // namespace android
52
53#endif // ANDROID_PRIVATE_GUI_COMPOSER_SERVICE_H
54