blob: fe02a861cf73fddcf944056fb7f2e0227562bd39 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef A_HANDLER_H_
#define A_HANDLER_H_
#include <media/stagefright/foundation/ALooper.h>
#include <utils/KeyedVector.h>
#include <utils/RefBase.h>
namespace android {
struct AMessage;
struct AHandler : public RefBase {
AHandler()
: mID(0),
mVerboseStats(false),
mMessageCounter(0) {
}
ALooper::handler_id id() const {
return mID;
}
sp<ALooper> looper() const {
return mLooper.promote();
}
wp<ALooper> getLooper() const {
return mLooper;
}
wp<AHandler> getHandler() const {
// allow getting a weak reference to a const handler
return const_cast<AHandler *>(this);
}
protected:
virtual void onMessageReceived(const sp<AMessage> &msg) = 0;
private:
friend struct AMessage; // deliverMessage()
friend struct ALooperRoster; // setID()
ALooper::handler_id mID;
wp<ALooper> mLooper;
inline void setID(ALooper::handler_id id, wp<ALooper> looper) {
mID = id;
mLooper = looper;
}
bool mVerboseStats;
uint32_t mMessageCounter;
KeyedVector<uint32_t, uint32_t> mMessages;
void deliverMessage(const sp<AMessage> &msg);
DISALLOW_EVIL_CONSTRUCTORS(AHandler);
};
} // namespace android
#endif // A_HANDLER_H_
|
