public CalendarSelectionPreference(Context context, AttributeSet attrs) {
super(context, attrs);
List<Pair<String, Boolean>> allCalendars = CalendarExtension.getAllCalendars(context);
Set<String> allVisibleCalendarsSet = new HashSet<String>();
for (Pair<String, Boolean> pair : allCalendars) {
if (pair.second) {
allVisibleCalendarsSet.add(pair.first);
}
}
mSelectedCalendars =
new HashSet<String>(
PreferenceManager.getDefaultSharedPreferences(context)
.getStringSet(CalendarExtension.PREF_SELECTED_CALENDARS, allVisibleCalendarsSet));
mAdapter = new CalendarListAdapter(context);
mQueryHandler = new QueryHandler(context, mAdapter);
mQueryHandler.startQuery(
0,
null,
CalendarContract.Calendars.CONTENT_URI,
CalendarQuery.PROJECTION,
CalendarContract.Calendars.SYNC_EVENTS + "=1",
null,
CalendarContract.Calendars.CALENDAR_DISPLAY_NAME);
}
/**
* Internal method to query for contacts with a given display name.
*
* @param contactDisplayName the display name to look for.
*/
private void startDisambiguationQuery(String contactDisplayName) {
// Apply a limit of 1 result to the query because we only need to
// determine whether or not at least one other contact has the same
// name. We don't need to find ALL other contacts with the same name.
final Builder builder = Contacts.CONTENT_URI.buildUpon();
builder.appendQueryParameter("limit", String.valueOf(1));
final Uri uri = builder.build();
final String displayNameSelection;
final String[] selectionArgs;
if (TextUtils.isEmpty(contactDisplayName)) {
displayNameSelection = Contacts.DISPLAY_NAME_PRIMARY + " IS NULL";
selectionArgs = new String[] {String.valueOf(mContactId)};
} else {
displayNameSelection = Contacts.DISPLAY_NAME_PRIMARY + " = ?";
selectionArgs = new String[] {contactDisplayName, String.valueOf(mContactId)};
}
mQueryHandler.startQuery(
TOKEN_DISAMBIGUATION_QUERY,
null,
uri,
new String[] {Contacts._ID} /* unused projection but a valid one was needed */,
displayNameSelection
+ " AND "
+ Contacts.PHOTO_ID
+ " IS NULL AND "
+ Contacts._ID
+ " <> ?",
selectionArgs,
null);
}
/**
* 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;
}
/**
* startContactQuery
*
* <p>internal method to query contact by Uri.
*
* @param contactUri the contact uri
* @param resetQueryHandler whether to use a new AsyncQueryHandler or not
*/
private void startContactQuery(Uri contactUri, boolean resetQueryHandler) {
if (resetQueryHandler) {
resetAsyncQueryHandler();
}
mQueryHandler.startQuery(
TOKEN_CONTACT_INFO, null, contactUri, ContactQuery.COLUMNS, null, null, null);
}
/** Internal method to query for extra data fields for this contact. */
private void startExtraInfoQuery() {
mQueryHandler.startQuery(
TOKEN_EXTRA_INFO_QUERY,
null,
Data.CONTENT_URI,
ExtraInfoQuery.COLUMNS,
RawContacts.CONTACT_ID + " = ?",
new String[] {String.valueOf(mContactId)},
null);
}
/**
* Internal method to query contact photo by photo id and uri.
*
* @param photoId the photo id.
* @param lookupKey the lookup uri.
*/
private void startPhotoQuery(long photoId, Uri lookupKey) {
mQueryHandler.startQuery(
TOKEN_PHOTO_QUERY,
lookupKey,
ContentUris.withAppendedId(Data.CONTENT_URI, photoId),
PhotoQuery.COLUMNS,
null,
null,
null);
}
/**
* Convenience method for binding all available data from an existing contact.
*
* @param number The phone number used to do a reverse lookup in the contacts database. If more
* than one contact contains this phone number, one of them will be chosen to bind to.
*/
public void bindFromPhoneNumber(String number) {
resetAsyncQueryHandler();
mQueryHandler.startQuery(
TOKEN_PHONE_LOOKUP,
number,
Uri.withAppendedPath(TPhoneLookup.CONTENT_FILTER_URI, Uri.encode(number)),
PHONE_LOOKUP_PROJECTION,
null,
null,
null);
}
/**
* Convenience method for binding all available data from an existing contact.
*
* @param emailAddress The email address used to do a reverse lookup in the contacts database. If
* more than one contact contains this email address, one of them will be chosen to bind to.
*/
public void bindFromEmail(String emailAddress) {
resetAsyncQueryHandler();
mQueryHandler.startQuery(
TOKEN_EMAIL_LOOKUP,
emailAddress,
Uri.withAppendedPath(TEmail.CONTENT_LOOKUP_URI, Uri.encode(emailAddress)),
EMAIL_LOOKUP_PROJECTION,
null,
null,
null);
}
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);
}
public void query() {
mLoadingBar.setVisibility(View.VISIBLE);
// 查询类型为游戏的所有数据
String selectionString = AppData.App.TYPE + "=?";
String args[] = {"" + AppManager.ZHAOYAN_APP};
mQueryHandler.startQuery(
11,
null,
AppData.App.CONTENT_URI,
PROJECTION,
selectionString,
args,
AppData.App.SORT_ORDER_LABEL);
}
/**
* startPhotoQuery
*
* <p>internal method to query contact photo by photo id and uri.
*
* @param photoId the photo id.
* @param lookupKey the lookup uri.
* @param resetQueryHandler whether to use a new AsyncQueryHandler or not.
*/
protected void startPhotoQuery(long photoId, Uri lookupKey, boolean resetQueryHandler) {
if (resetQueryHandler) {
resetAsyncQueryHandler();
}
mQueryHandler.startQuery(
TOKEN_PHOTO_QUERY,
lookupKey,
ContentUris.withAppendedId(TData.CONTENT_URI, photoId),
PhotoQuery.COLUMNS,
null,
null,
null);
}
@Override
protected void onResume() {
super.onResume();
// If the cursor is null, start the async handler. If it is not null just requery.
if (mCursor == null) {
Uri uri = CalendarAlerts.CONTENT_URI_BY_INSTANCE;
mQueryHandler.startQuery(
0,
null,
uri,
PROJECTION,
SELECTION,
SELECTIONARG,
CalendarContract.CalendarAlerts.DEFAULT_SORT_ORDER);
} else {
if (!mCursor.requery()) {
Log.w(TAG, "Cursor#requery() failed.");
mCursor.close();
mCursor = null;
}
}
}
/**
* Internal method to query contact by Uri.
*
* @param contactUri the contact uri
*/
private void startContactQuery(Uri contactUri) {
mQueryHandler.startQuery(
TOKEN_CONTACT_INFO, contactUri, contactUri, ContactQuery.COLUMNS, null, null, null);
}
/**
* 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 query() {
Uri uri = resolveIntent();
if (DBG) log("query: starting an async query");
mQueryHandler.startQuery(QUERY_TOKEN, null, uri, COLUMN_NAMES, null, null, null);
displayProgress(true);
}
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);
}