97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MEDIASCANNER_H
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#define MEDIASCANNER_H
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#include <utils/Log.h>
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#include <utils/threads.h>
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#include <utils/List.h>
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#include <utils/Errors.h>
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#include <pthread.h>
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namespace android {
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class MediaScannerClient;
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class StringArray;
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struct MediaScanner {
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MediaScanner();
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virtual ~MediaScanner();
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virtual status_t processFile(
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const char *path, const char *mimeType,
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MediaScannerClient &client) = 0;
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typedef bool (*ExceptionCheck)(void* env);
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virtual status_t processDirectory(
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const char *path, const char *extensions,
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MediaScannerClient &client,
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ExceptionCheck exceptionCheck, void *exceptionEnv);
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void setLocale(const char *locale);
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// extracts album art as a block of data
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virtual char *extractAlbumArt(int fd) = 0;
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protected:
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const char *locale() const;
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private:
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// current locale (like "ja_JP"), created/destroyed with strdup()/free()
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char *mLocale;
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status_t doProcessDirectory(
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char *path, int pathRemaining, const char *extensions,
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MediaScannerClient &client, ExceptionCheck exceptionCheck,
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void *exceptionEnv);
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MediaScanner(const MediaScanner &);
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MediaScanner &operator=(const MediaScanner &);
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};
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class MediaScannerClient
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{
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public:
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MediaScannerClient();
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virtual ~MediaScannerClient();
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void setLocale(const char* locale);
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void beginFile();
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bool addStringTag(const char* name, const char* value);
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void endFile();
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virtual bool scanFile(const char* path, long long lastModified, long long fileSize) = 0;
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virtual bool handleStringTag(const char* name, const char* value) = 0;
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virtual bool setMimeType(const char* mimeType) = 0;
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virtual bool addNoMediaFolder(const char* path) = 0;
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protected:
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void convertValues(uint32_t encoding);
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protected:
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// cached name and value strings, for native encoding support.
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StringArray* mNames;
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StringArray* mValues;
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// default encoding based on MediaScanner::mLocale string
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uint32_t mLocaleEncoding;
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};
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}; // namespace android
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#endif // MEDIASCANNER_H
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