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Add getDescendants to Settings Slice Provider

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getDescendants allows another app to collect a list
of all valid Uris for Settings Slices. Important for search,
assistant or launcher apps.

This means searching our database for all valid keys and building
a list of Uris for each of those keys.

Fixes: 77808328
Test: robotests
Change-Id: I3ae27e4661a7dcaab50b091ae2730013118af8a2
This commit is contained in:
Matthew Fritze
2018-03-26 17:30:20 -07:00
parent d743f20618
commit 6730a061b1
6 changed files with 392 additions and 33 deletions
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45
src/com/android/settings/slices/SlicesDatabaseAccessor.java
View File

@@ -29,6 +29,9 @@ import android.util.Pair;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.slices.SlicesDatabaseHelper.IndexColumns;
import java.util.ArrayList;
import java.util.List;
import androidx.slice.Slice;
/**
@@ -51,10 +54,12 @@ public class SlicesDatabaseAccessor {
// Cursor value for boolean true
private final int TRUE = 1;
Context mContext;
private final Context mContext;
private final SlicesDatabaseHelper mHelper;
public SlicesDatabaseAccessor(Context context) {
mContext = context;
mHelper = SlicesDatabaseHelper.getInstance(mContext);
}
/**
@@ -79,16 +84,44 @@ public class SlicesDatabaseAccessor {
return buildSliceData(cursor, null /* uri */, false /* isInlineOnly */);
}
/**
* @return a list of keys in the Slices database matching on {@param isPlatformSlice}.
*/
public List<String> getSliceKeys(boolean isPlatformSlice) {
final String whereClause;
if (isPlatformSlice) {
whereClause = IndexColumns.PLATFORM_SLICE + " = 1";
} else {
whereClause = IndexColumns.PLATFORM_SLICE + " = 0";
}
final SQLiteDatabase database = mHelper.getReadableDatabase();
final String[] columns = new String[]{IndexColumns.KEY};
final List<String> keys = new ArrayList<>();
try (final Cursor resultCursor = database.query(TABLE_SLICES_INDEX, columns, whereClause,
null /* selection */, null /* groupBy */, null /* having */, null /* orderBy */)) {
if (!resultCursor.moveToFirst()) {
return keys;
}
do {
keys.add(resultCursor.getString(0 /* key index */));
} while (resultCursor.moveToNext());
}
return keys;
}
private Cursor getIndexedSliceData(String path) {
verifyIndexing();
final String whereClause = buildKeyMatchWhereClause();
final SlicesDatabaseHelper helper = SlicesDatabaseHelper.getInstance(mContext);
final SQLiteDatabase database = helper.getReadableDatabase();
final SQLiteDatabase database = mHelper.getReadableDatabase();
final String[] selection = new String[]{path};
Cursor resultCursor = database.query(TABLE_SLICES_INDEX, SELECT_COLUMNS_ALL, whereClause,
selection, null /* groupBy */, null /* having */, null /* orderBy */);
final Cursor resultCursor = database.query(TABLE_SLICES_INDEX, SELECT_COLUMNS_ALL,
whereClause, selection, null /* groupBy */, null /* having */, null /* orderBy */);
int numResults = resultCursor.getCount();