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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* Copyright (C) 2008 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 MEDIASCANNER_H
#define MEDIASCANNER_H
#include <utils/Log.h>
#include <utils/threads.h>
#include <utils/List.h>
#include <utils/Errors.h>
#include <pthread.h>
namespace android {
class MediaScannerClient;
class StringArray;
struct MediaScanner {
MediaScanner();
virtual ~MediaScanner();
virtual status_t processFile(
const char *path, const char *mimeType,
MediaScannerClient &client) = 0;
typedef bool (*ExceptionCheck)(void* env);
virtual status_t processDirectory(
const char *path, MediaScannerClient &client,
ExceptionCheck exceptionCheck, void *exceptionEnv);
void setLocale(const char *locale);
// extracts album art as a block of data
virtual char *extractAlbumArt(int fd) = 0;
protected:
const char *locale() const;
private:
// current locale (like "ja_JP"), created/destroyed with strdup()/free()
char *mLocale;
status_t doProcessDirectory(
char *path, int pathRemaining, MediaScannerClient &client,
bool noMedia, ExceptionCheck exceptionCheck, void *exceptionEnv);
MediaScanner(const MediaScanner &);
MediaScanner &operator=(const MediaScanner &);
};
class MediaScannerClient
{
public:
MediaScannerClient();
virtual ~MediaScannerClient();
void setLocale(const char* locale);
void beginFile();
bool addStringTag(const char* name, const char* value);
void endFile();
virtual bool scanFile(const char* path, long long lastModified,
long long fileSize, bool isDirectory, bool noMedia) = 0;
virtual bool handleStringTag(const char* name, const char* value) = 0;
virtual bool setMimeType(const char* mimeType) = 0;
protected:
void convertValues(uint32_t encoding);
protected:
// cached name and value strings, for native encoding support.
StringArray* mNames;
StringArray* mValues;
// default encoding based on MediaScanner::mLocale string
uint32_t mLocaleEncoding;
};
}; // namespace android
#endif // MEDIASCANNER_H
|
