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
|
/*
* Copyright (C) 2007 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.
*/
#include <stdio.h>
#include <stdint.h>
#include <sys/types.h>
#include <utils/Parcel.h>
#include <utils/IInterface.h>
#include <ui/IOverlay.h>
namespace android {
enum {
DESTROY = IBinder::FIRST_CALL_TRANSACTION, // one-way transaction
};
class BpOverlay : public BpInterface<IOverlay>
{
public:
BpOverlay(const sp<IBinder>& impl)
: BpInterface<IOverlay>(impl)
{
}
virtual void destroy()
{
Parcel data, reply;
data.writeInterfaceToken(IOverlay::getInterfaceDescriptor());
remote()->transact(DESTROY, data, &reply, IBinder::FLAG_ONEWAY);
}
};
IMPLEMENT_META_INTERFACE(Overlay, "android.ui.IOverlay");
// ----------------------------------------------------------------------
#define CHECK_INTERFACE(interface, data, reply) \
do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
LOGW("Call incorrectly routed to " #interface); \
return PERMISSION_DENIED; \
} } while (0)
status_t BnOverlay::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case DESTROY: {
CHECK_INTERFACE(IOverlay, data, reply);
destroy();
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
}; // namespace android
|
