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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/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, const char *extensions,
+ 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, const char *extensions,
+ MediaScannerClient &client, 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) = 0;
+ virtual bool handleStringTag(const char* name, const char* value) = 0;
+ virtual bool setMimeType(const char* mimeType) = 0;
+ virtual bool addNoMediaFolder(const char* path) = 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
+