mediascanner.h revision 2729ea9262ca60d93047e984739887cfc89e82eb
1/* 2 * Copyright (C) 2008 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 MEDIASCANNER_H 18#define MEDIASCANNER_H 19 20#include <utils.h> 21#include <pthread.h> 22 23namespace android { 24 25class MediaScannerClient; 26 27class MediaScanner 28{ 29public: 30 MediaScanner(); 31 ~MediaScanner(); 32 33 typedef bool (*ExceptionCheck)(void* env); 34 35 status_t processFile(const char *path, const char *mimeType, MediaScannerClient& client); 36 status_t processDirectory(const char *path, const char* extensions, 37 MediaScannerClient& client, ExceptionCheck exceptionCheck, void* exceptionEnv); 38 39 // extracts album art as a block of data 40 char* extractAlbumArt(int fd); 41 42 static void uninitializeForThread(); 43 44private: 45 status_t doProcessDirectory(char *path, int pathRemaining, const char* extensions, 46 MediaScannerClient& client, ExceptionCheck exceptionCheck, void* exceptionEnv); 47 void initializeForThread(); 48}; 49 50 51class MediaScannerClient 52{ 53public: 54 virtual ~MediaScannerClient() {} 55 virtual bool scanFile(const char* path, long long lastModified, long long fileSize) = 0; 56 virtual bool handleStringTag(const char* name, const char* value) = 0; 57 virtual bool setMimeType(const char* mimeType) = 0; 58}; 59 60}; // namespace android 61 62#endif // MEDIASCANNER_H 63 64