Client.h revision db403e8ff0d7727015e1a5009bab20eb7ec205bc 
1/*
2 * Copyright (C) 2012 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_SF_CLIENT_H
18#define ANDROID_SF_CLIENT_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
23#include <utils/Errors.h>
24#include <utils/KeyedVector.h>
25#include <utils/Mutex.h>
26
27#include <gui/ISurfaceComposerClient.h>
28
29namespace android {
30
31// ---------------------------------------------------------------------------
32
33class LayerBaseClient;
34class SurfaceFlinger;
35
36// ---------------------------------------------------------------------------
37
38class Client : public BnSurfaceComposerClient
39{
40public:
41        Client(const sp<SurfaceFlinger>& flinger);
42        ~Client();
43
44    status_t initCheck() const;
45
46    // protected by SurfaceFlinger::mStateLock
47    size_t attachLayer(const sp<LayerBaseClient>& layer);
48
49    void detachLayer(const LayerBaseClient* layer);
50
51    sp<LayerBaseClient> getLayerUser(int32_t i) const;
52
53private:
54    // ISurfaceComposerClient interface
55    virtual sp<ISurface> createSurface(
56            surface_data_t* params, const String8& name,
57            DisplayID display, uint32_t w, uint32_t h,PixelFormat format,
58            uint32_t flags);
59
60    virtual status_t destroySurface(SurfaceID surfaceId);
61
62    virtual status_t onTransact(
63        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
64
65    // constant
66    sp<SurfaceFlinger> mFlinger;
67
68    // protected by mLock
69    DefaultKeyedVector< size_t, wp<LayerBaseClient> > mLayers;
70    size_t mNameGenerator;
71
72    // thread-safe
73    mutable Mutex mLock;
74};
75
76// ---------------------------------------------------------------------------
77}; // namespace android
78
79#endif // ANDROID_SF_CLIENT_H
80