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/*
* 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.h>
#include <pthread.h>
namespace android {
class MediaScannerClient;
class StringArray;
class MediaScanner
{
public:
MediaScanner();
~MediaScanner();
typedef bool (*ExceptionCheck)(void* env);
status_t processFile(const char *path, const char *mimeType, MediaScannerClient& client);
status_t processDirectory(const char *path, const char* extensions,
MediaScannerClient& client, ExceptionCheck exceptionCheck, void* exceptionEnv);
void setLocale(const char* locale);
// extracts album art as a block of data
char* extractAlbumArt(int fd);
static void uninitializeForThread();
private:
status_t doProcessDirectory(char *path, int pathRemaining, const char* extensions,
MediaScannerClient& client, ExceptionCheck exceptionCheck, void* exceptionEnv);
void initializeForThread();
// current locale (like "ja_JP"), created/destroyed with strdup()/free()
char* mLocale;
};
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) = 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
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