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Dan Stozab9b08832014-03-13 11:55:57 -07001/*
2 * Copyright 2014 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_MONITORED_PRODUCER_H
18#define ANDROID_MONITORED_PRODUCER_H
19
20#include <gui/IGraphicBufferProducer.h>
21
22namespace android {
23
24class IBinder;
25class NativeHandle;
26class SurfaceFlinger;
27
28// MonitoredProducer wraps an IGraphicBufferProducer so that SurfaceFlinger will
29// be notified upon its destruction
30class MonitoredProducer : public BnGraphicBufferProducer {
31public:
32 MonitoredProducer(const sp<BnGraphicBufferProducer>& producer,
33 const sp<SurfaceFlinger>& flinger);
34 virtual ~MonitoredProducer();
35
36 // From IGraphicBufferProducer
37 virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf);
38 virtual status_t setBufferCount(int bufferCount);
39 virtual status_t dequeueBuffer(int* slot, sp<Fence>* fence, bool async,
40 uint32_t w, uint32_t h, uint32_t format, uint32_t usage);
41 virtual status_t detachBuffer(int slot);
42 virtual status_t attachBuffer(int* outSlot,
43 const sp<GraphicBuffer>& buffer);
44 virtual status_t queueBuffer(int slot, const QueueBufferInput& input,
45 QueueBufferOutput* output);
46 virtual void cancelBuffer(int slot, const sp<Fence>& fence);
47 virtual int query(int what, int* value);
48 virtual status_t connect(const sp<IBinder>& token, int api,
49 bool producerControlledByApp, QueueBufferOutput* output);
50 virtual status_t disconnect(int api);
51 virtual status_t setSidebandStream(const sp<NativeHandle>& stream);
52
53private:
54 sp<BnGraphicBufferProducer> mProducer;
55 sp<SurfaceFlinger> mFlinger;
56};
57
58}; // namespace android
59
60#endif // ANDROID_MONITORED_PRODUCER_H