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implement startNativeLibraryScan()

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This commit is contained in:
Adrian Ulrich 2016-12-18 11:50:59 +01:00
parent 5782e295eb
commit 4ed4cd0fab
2 changed files with 21 additions and 2 deletions
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1
src/ch/blinkenlights/android/medialibrary/MediaLibrary.java
View File

@ -66,6 +66,7 @@ public class MediaLibrary {
sBackend = new MediaLibraryBackend(context);
sScanner = new MediaScanner(sBackend);
sScanner.startNativeLibraryScan(context);
sScanner.startUpdateScan();
for (File dir : discoverMediaPaths()) {
sScanner.startFullScan(dir);

20
src/ch/blinkenlights/android/medialibrary/MediaScanner.java
View File

@ -18,10 +18,12 @@
package ch.blinkenlights.android.medialibrary;
import ch.blinkenlights.bastp.Bastp;
import android.content.Context;
import android.content.ContentValues;
import android.database.Cursor;
import android.media.MediaMetadataRetriever;
import android.util.Log;
import android.provider.MediaStore;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Message;
@ -78,6 +80,8 @@ public class MediaScanner implements Handler.Callback {
/**
* Performs a full check of the current media library, scanning for
* removed or changed files
*
* @param context the context to use
*/
void startUpdateScan() {
Cursor cursor = mBackend.query(false, MediaLibrary.TABLE_SONGS, new String[]{MediaLibrary.SongColumns.PATH}, null, null, null, null, null, null);
@ -85,6 +89,17 @@ public class MediaScanner implements Handler.Callback {
mHandler.sendMessage(mHandler.obtainMessage(MSG_UPDATE_LIBRARY, 0, 0, cursor));
}
/**
* Queries all items found in androids native media database
*/
void startNativeLibraryScan(Context context) {
String selection = MediaStore.Audio.Media.IS_MUSIC + "!= 0";
String[] projection = { MediaStore.MediaColumns.DATA };
Cursor cursor = context.getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, projection, selection, null, null);
if (cursor != null)
mHandler.sendMessage(mHandler.obtainMessage(MSG_UPDATE_LIBRARY, 0, 0, cursor));
}
private static final int MSG_SCAN_DIRECTORY = 1;
private static final int MSG_ADD_FILE = 2;
private static final int MSG_UPDATE_LIBRARY = 3;
@ -117,9 +132,12 @@ public class MediaScanner implements Handler.Callback {
case MSG_UPDATE_LIBRARY: {
Cursor cursor = (Cursor)message.obj;
while (cursor.moveToNext()) {
File update = new File(cursor.getString(0));
String path = cursor.getString(0);
if (path != null) {
File update = new File(path);
mHandler.sendMessage(mHandler.obtainMessage(MSG_ADD_FILE, 0, 0, update));
}
}
cursor.close();
break;
}