/**
* Common method for performing a query of the music database, called for both top-level queries
* and filtering.
*
* @param sync If true, this query should be done synchronously and the resulting cursor returned.
* If false, it will be done asynchronously and null returned.
* @param filterstring If non-null, this is a filter to apply to the query.
*/
Cursor doQuery(boolean sync, String filterstring) {
// Cancel any pending queries
mQueryHandler.cancelOperation(MY_QUERY_TOKEN);
StringBuilder where = new StringBuilder();
where.append(MediaStore.Audio.Media.TITLE + " != ''");
// We want to show all audio files, even recordings. Enforcing the
// following condition would hide recordings.
// where.append(" AND " + MediaStore.Audio.Media.IS_MUSIC + "=1");
Uri uri = mBaseUri;
if (!TextUtils.isEmpty(filterstring)) {
uri = uri.buildUpon().appendQueryParameter("filter", Uri.encode(filterstring)).build();
}
if (sync) {
try {
return getContentResolver().query(uri, CURSOR_COLS, where.toString(), null, mSortOrder);
} catch (UnsupportedOperationException ex) {
}
} else {
mAdapter.setLoading(true);
setProgressBarIndeterminateVisibility(true);
mQueryHandler.startQuery(
MY_QUERY_TOKEN, null, uri, CURSOR_COLS, where.toString(), null, mSortOrder);
}
return null;
}
public void close() {
mShuttingDown = true;
pruneAdapterInfo(QUERY_TYPE_CLEAN);
if (mQueryHandler != null) {
mQueryHandler.cancelOperation(0);
}
}
private void startQuery() {
mAdapter.setLoading(true);
// Cancel any pending queries
mQueryHandler.cancelOperation(QUERY_TOKEN);
mQueryHandler.startQuery(
QUERY_TOKEN,
null,
Calls.CONTENT_URI,
CALL_LOG_PROJECTION,
null,
null,
Calls.DEFAULT_SORT_ORDER);
}
/**
* Common method for performing a query of the music database, called for both top-level queries
* and filtering.
*
* @param sync If true, this query should be done synchronously and the resulting cursor returned.
* If false, it will be done asynchronously and null returned.
* @param filterstring If non-null, this is a filter to apply to the query.
*/
Cursor doQuery(boolean sync, String filterstring) {
MusicLogUtils.d(TAG, "doQuery(" + sync + ", " + filterstring + ")");
// Cancel any pending queries
mQueryHandler.cancelOperation(MY_QUERY_TOKEN);
StringBuilder where = new StringBuilder();
where.append(MediaStore.Audio.Media.TITLE + " != ''");
/// M: determine the Dim level for query @{
if (MusicFeatureOption.IS_SUPPORT_DRM) {
String sIsDrm = MediaStore.Audio.Media.IS_DRM;
String sDrmMethod = MediaStore.Audio.Media.DRM_METHOD;
switch (mDrmLevel) {
case OmaDrmStore.DrmExtra.DRM_LEVEL_FL:
where.append(
" AND ("
+ sIsDrm
+ "!=1 OR ("
+ sIsDrm
+ "=1"
+ " AND "
+ sDrmMethod
+ "="
+ OmaDrmStore.DrmMethod.METHOD_FL
+ "))");
break;
case OmaDrmStore.DrmExtra.DRM_LEVEL_SD:
where.append(
" AND ("
+ sIsDrm
+ "!=1 OR ("
+ sIsDrm
+ "=1"
+ " AND "
+ sDrmMethod
+ "="
+ OmaDrmStore.DrmMethod.METHOD_SD
+ "))");
break;
case OmaDrmStore.DrmExtra.DRM_LEVEL_ALL:
break;
case -1:
default:
// this intent does not contain DRM Extras
where.append(" AND " + sIsDrm + "!=1");
break;
}
MusicLogUtils.d(TAG, "doQuery: where=" + where);
}
/// @}
// We want to show all audio files, even recordings. Enforcing the
// following condition would hide recordings.
// where.append(" AND " + MediaStore.Audio.Media.IS_MUSIC + "=1");
Uri uri = mBaseUri;
if (!TextUtils.isEmpty(filterstring)) {
uri = uri.buildUpon().appendQueryParameter("filter", Uri.encode(filterstring)).build();
}
if (sync) {
try {
return getContentResolver().query(uri, CURSOR_COLS, where.toString(), null, mSortOrder);
} catch (UnsupportedOperationException ex) {
}
} else {
mAdapter.setLoading(true);
mQueryHandler.startQuery(
MY_QUERY_TOKEN, null, uri, CURSOR_COLS, where.toString(), null, mSortOrder);
}
return null;
}
private void doQuery(QuerySpec queryData) {
if (!mAdapterInfos.isEmpty()) {
int start = mAdapterInfos.getFirst().start;
int end = mAdapterInfos.getLast().end;
int queryDuration = calculateQueryDuration(start, end);
switch (queryData.queryType) {
case QUERY_TYPE_OLDER:
queryData.end = start - 1;
queryData.start = queryData.end - queryDuration;
break;
case QUERY_TYPE_NEWER:
queryData.start = end + 1;
queryData.end = queryData.start + queryDuration;
break;
}
// By "compacting" cursors, this fixes the disco/ping-pong problem
// b/5311977
if (mRowCount < 20 && queryData.queryType != QUERY_TYPE_CLEAN) {
if (DEBUGLOG) {
Log.e(
TAG,
"Compacting cursor: mRowCount="
+ mRowCount
+ " totalStart:"
+ start
+ " totalEnd:"
+ end
+ " query.start:"
+ queryData.start
+ " query.end:"
+ queryData.end);
}
queryData.queryType = QUERY_TYPE_CLEAN;
if (queryData.start > start) {
queryData.start = start;
}
if (queryData.end < end) {
queryData.end = end;
}
}
}
if (BASICLOG) {
Time time = new Time(mTimeZone);
time.setJulianDay(queryData.start);
Time time2 = new Time(mTimeZone);
time2.setJulianDay(queryData.end);
Log.v(
TAG,
"startQuery: "
+ time.toString()
+ " to "
+ time2.toString()
+ " then go to "
+ queryData.goToTime);
}
mQueryHandler.cancelOperation(0);
if (BASICLOG) queryData.queryStartMillis = System.nanoTime();
Uri queryUri = buildQueryUri(queryData.start, queryData.end, queryData.searchQuery);
mQueryHandler.startQuery(
0, queryData, queryUri, PROJECTION, buildQuerySelection(), null, AGENDA_SORT_ORDER);
}
