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Merge "Move search querying into a single API"

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This commit is contained in:
TreeHugger Robot
2017-10-31 20:42:33 +00:00
committed by Android (Google) Code Review
parent 374b295da8 fb772248b1
commit e717a5fdd1
26 changed files with 1590 additions and 1878 deletions
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169
src/com/android/settings/search/AccessibilityServiceResultLoader.java
View File

@@ -30,105 +30,112 @@ import android.os.UserHandle;
import android.support.annotation.VisibleForTesting;
import android.support.v4.content.ContextCompat;
import android.util.IconDrawableFactory;
import android.util.Log;
import android.view.accessibility.AccessibilityManager;
import com.android.settings.R;
import com.android.settings.accessibility.AccessibilitySettings;
import com.android.settings.dashboard.SiteMapManager;
import com.android.settings.utils.AsyncLoader;
import java.util.HashSet;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.FutureTask;
public class AccessibilityServiceResultLoader extends AsyncLoader<Set<? extends SearchResult>> {
private static final int NAME_NO_MATCH = -1;
private final Context mContext;
private List<String> mBreadcrumb;
private SiteMapManager mSiteMapManager;
@VisibleForTesting
final String mQuery;
private final AccessibilityManager mAccessibilityManager;
private final PackageManager mPackageManager;
private final int mUserId;
public class AccessibilityServiceResultLoader extends
FutureTask<List<? extends SearchResult>> {
private static final String TAG = "A11yResultFutureTask";
public AccessibilityServiceResultLoader(Context context, String query,
SiteMapManager mapManager) {
super(context);
mContext = context;
mUserId = UserHandle.myUserId();
mSiteMapManager = mapManager;
mPackageManager = context.getPackageManager();
mAccessibilityManager =
(AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
mQuery = query;
SiteMapManager manager) {
super(new AccessibilityServiceResultCallable(context, query, manager));
}
@Override
public Set<? extends SearchResult> loadInBackground() {
final Set<SearchResult> results = new HashSet<>();
final Context context = getContext();
final List<AccessibilityServiceInfo> services = mAccessibilityManager
.getInstalledAccessibilityServiceList();
final IconDrawableFactory iconFactory = IconDrawableFactory.newInstance(mContext);
final String screenTitle = context.getString(R.string.accessibility_settings);
for (AccessibilityServiceInfo service : services) {
if (service == null) {
continue;
}
final ResolveInfo resolveInfo = service.getResolveInfo();
if (service.getResolveInfo() == null) {
continue;
}
final ServiceInfo serviceInfo = resolveInfo.serviceInfo;
final CharSequence title = resolveInfo.loadLabel(mPackageManager);
final int wordDiff = getWordDifference(title.toString(), mQuery);
if (wordDiff == NAME_NO_MATCH) {
continue;
}
final Drawable icon;
if (resolveInfo.getIconResource() == 0) {
icon = ContextCompat.getDrawable(context, R.mipmap.ic_accessibility_generic);
} else {
icon = iconFactory.getBadgedIcon(
resolveInfo.serviceInfo,
resolveInfo.serviceInfo.applicationInfo,
mUserId);
}
final String componentName = new ComponentName(serviceInfo.packageName,
serviceInfo.name).flattenToString();
final Intent intent = DatabaseIndexingUtils.buildSearchResultPageIntent(context,
AccessibilitySettings.class.getName(), componentName, screenTitle);
static class AccessibilityServiceResultCallable implements
Callable<List<? extends SearchResult>> {
results.add(new SearchResult.Builder()
.setTitle(title)
.addBreadcrumbs(getBreadCrumb())
.setPayload(new ResultPayload(intent))
.setRank(wordDiff)
.setIcon(icon)
.setStableId(Objects.hash(screenTitle, componentName))
.build());
private static final int NAME_NO_MATCH = -1;
private final Context mContext;
private List<String> mBreadcrumb;
private SiteMapManager mSiteMapManager;
@VisibleForTesting
final String mQuery;
private final AccessibilityManager mAccessibilityManager;
private final PackageManager mPackageManager;
private final int mUserId;
public AccessibilityServiceResultCallable(Context context, String query,
SiteMapManager mapManager) {
mUserId = UserHandle.myUserId();
mContext = context;
mSiteMapManager = mapManager;
mPackageManager = context.getPackageManager();
mAccessibilityManager =
(AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
mQuery = query;
}
return results;
}
private List<String> getBreadCrumb() {
if (mBreadcrumb == null || mBreadcrumb.isEmpty()) {
final Context context = getContext();
mBreadcrumb = mSiteMapManager.buildBreadCrumb(
context, AccessibilitySettings.class.getName(),
context.getString(R.string.accessibility_settings));
@Override
public List<? extends SearchResult> call() throws Exception {
long startTime = System.currentTimeMillis();
final List<SearchResult> results = new ArrayList<>();
final List<AccessibilityServiceInfo> services = mAccessibilityManager
.getInstalledAccessibilityServiceList();
final IconDrawableFactory iconFactory = IconDrawableFactory.newInstance(mContext);
final String screenTitle = mContext.getString(R.string.accessibility_settings);
for (AccessibilityServiceInfo service : services) {
if (service == null) {
continue;
}
final ResolveInfo resolveInfo = service.getResolveInfo();
if (service.getResolveInfo() == null) {
continue;
}
final ServiceInfo serviceInfo = resolveInfo.serviceInfo;
final CharSequence title = resolveInfo.loadLabel(mPackageManager);
final int wordDiff = getWordDifference(title.toString(), mQuery);
if (wordDiff == NAME_NO_MATCH) {
continue;
}
final Drawable icon;
if (resolveInfo.getIconResource() == 0) {
icon = ContextCompat.getDrawable(mContext, R.mipmap.ic_accessibility_generic);
} else {
icon = iconFactory.getBadgedIcon(
resolveInfo.serviceInfo,
resolveInfo.serviceInfo.applicationInfo,
mUserId);
}
final String componentName = new ComponentName(serviceInfo.packageName,
serviceInfo.name).flattenToString();
final Intent intent = DatabaseIndexingUtils.buildSearchResultPageIntent(mContext,
AccessibilitySettings.class.getName(), componentName, screenTitle);
results.add(new SearchResult.Builder()
.setTitle(title)
.addBreadcrumbs(getBreadCrumb())
.setPayload(new ResultPayload(intent))
.setRank(wordDiff)
.setIcon(icon)
.setStableId(Objects.hash(screenTitle, componentName))
.build());
}
Collections.sort(results);
Log.i(TAG, "A11y search loading took:" + (System.currentTimeMillis() - startTime));
return results;
}
return mBreadcrumb;
}
@Override
protected void onDiscardResult(Set<? extends SearchResult> result) {
private List<String> getBreadCrumb() {
if (mBreadcrumb == null || mBreadcrumb.isEmpty()) {
mBreadcrumb = mSiteMapManager.buildBreadCrumb(
mContext, AccessibilitySettings.class.getName(),
mContext.getString(R.string.accessibility_settings));
}
return mBreadcrumb;
}
}
}

29
src/com/android/settings/search/CursorToSearchResultConverter.java
View File

@@ -36,16 +36,6 @@ import java.util.Map;
import java.util.Set;
import static com.android.settings.search.DatabaseResultLoader.BASE_RANKS;
import static com.android.settings.search.DatabaseResultLoader.COLUMN_INDEX_CLASS_NAME;
import static com.android.settings.search.DatabaseResultLoader.COLUMN_INDEX_ICON;
import static com.android.settings.search.DatabaseResultLoader.COLUMN_INDEX_ID;
import static com.android.settings.search.DatabaseResultLoader.COLUMN_INDEX_INTENT_ACTION_TARGET_PACKAGE;
import static com.android.settings.search.DatabaseResultLoader.COLUMN_INDEX_KEY;
import static com.android.settings.search.DatabaseResultLoader.COLUMN_INDEX_PAYLOAD;
import static com.android.settings.search.DatabaseResultLoader.COLUMN_INDEX_PAYLOAD_TYPE;
import static com.android.settings.search.DatabaseResultLoader.COLUMN_INDEX_SCREEN_TITLE;
import static com.android.settings.search.DatabaseResultLoader.COLUMN_INDEX_SUMMARY_ON;
import static com.android.settings.search.DatabaseResultLoader.COLUMN_INDEX_TITLE;
import static com.android.settings.search.SearchResult.TOP_RANK;
/**
@@ -62,6 +52,25 @@ public class CursorToSearchResultConverter {
private static final String TAG = "CursorConverter";
/**
* These indices are used to match the columns of the this loader's SELECT statement.
* These are not necessarily the same order nor similar coverage as the schema defined in
* IndexDatabaseHelper
*/
public static final int COLUMN_INDEX_ID = 0;
public static final int COLUMN_INDEX_TITLE = 1;
public static final int COLUMN_INDEX_SUMMARY_ON = 2;
public static final int COLUMN_INDEX_SUMMARY_OFF = 3;
public static final int COLUMN_INDEX_CLASS_NAME = 4;
public static final int COLUMN_INDEX_SCREEN_TITLE = 5;
public static final int COLUMN_INDEX_ICON = 6;
public static final int COLUMN_INDEX_INTENT_ACTION = 7;
public static final int COLUMN_INDEX_INTENT_ACTION_TARGET_PACKAGE = 8;
public static final int COLUMN_INDEX_INTENT_ACTION_TARGET_CLASS = 9;
public static final int COLUMN_INDEX_KEY = 10;
public static final int COLUMN_INDEX_PAYLOAD_TYPE = 11;
public static final int COLUMN_INDEX_PAYLOAD = 12;
private final Context mContext;
private final int LONG_TITLE_LENGTH = 20;

9
src/com/android/settings/search/DatabaseIndexingManager.java
View File

@@ -17,11 +17,13 @@
package com.android.settings.search;
import static com.android.settings.search.DatabaseResultLoader.COLUMN_INDEX_ID;
import static com.android.settings.search.DatabaseResultLoader
import static com.android.settings.search.CursorToSearchResultConverter.COLUMN_INDEX_ID;
import static com.android.settings.search.CursorToSearchResultConverter
.COLUMN_INDEX_INTENT_ACTION_TARGET_PACKAGE;
import static com.android.settings.search.DatabaseResultLoader.COLUMN_INDEX_KEY;
import static com.android.settings.search.CursorToSearchResultConverter.COLUMN_INDEX_KEY;
import static com.android.settings.search.DatabaseResultLoader.SELECT_COLUMNS;
import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DOCID;
import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.CLASS_NAME;
import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DATA_ENTRIES;
import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DATA_KEYWORDS;
@@ -31,7 +33,6 @@ import static com.android.settings.search.IndexDatabaseHelper.IndexColumns
.DATA_SUMMARY_ON_NORMALIZED;
import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DATA_TITLE;
import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DATA_TITLE_NORMALIZED;
import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.DOCID;
import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.ENABLED;
import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.ICON;
import static com.android.settings.search.IndexDatabaseHelper.IndexColumns.INTENT_ACTION;

427
src/com/android/settings/search/DatabaseResultLoader.java
View File

@@ -24,35 +24,31 @@ import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.support.annotation.VisibleForTesting;
import android.util.Log;
import android.util.Pair;
import com.android.settings.dashboard.SiteMapManager;
import com.android.settings.utils.AsyncLoader;
import com.android.settings.overlay.FeatureFactory;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.FutureTask;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
/**
* AsyncTask to retrieve Settings, First party app and any intent based results.
* AsyncTask to retrieve Settings, first party app and any intent based results.
*/
public class DatabaseResultLoader extends AsyncLoader<Set<? extends SearchResult>> {
private static final String LOG = "DatabaseResultLoader";
public class DatabaseResultLoader extends FutureTask<List<? extends SearchResult>> {
/* These indices are used to match the columns of the this loader's SELECT statement.
These are not necessarily the same order nor similar coverage as the schema defined in
IndexDatabaseHelper */
public static final int COLUMN_INDEX_ID = 0;
public static final int COLUMN_INDEX_TITLE = 1;
public static final int COLUMN_INDEX_SUMMARY_ON = 2;
public static final int COLUMN_INDEX_SUMMARY_OFF = 3;
public static final int COLUMN_INDEX_CLASS_NAME = 4;
public static final int COLUMN_INDEX_SCREEN_TITLE = 5;
public static final int COLUMN_INDEX_ICON = 6;
public static final int COLUMN_INDEX_INTENT_ACTION = 7;
public static final int COLUMN_INDEX_INTENT_ACTION_TARGET_PACKAGE = 8;
public static final int COLUMN_INDEX_INTENT_ACTION_TARGET_CLASS = 9;
public static final int COLUMN_INDEX_KEY = 10;
public static final int COLUMN_INDEX_PAYLOAD_TYPE = 11;
public static final int COLUMN_INDEX_PAYLOAD = 12;
private static final String TAG = "DatabaseResultLoader";
public static final String[] SELECT_COLUMNS = {
IndexColumns.DOCID,
@@ -82,194 +78,267 @@ public class DatabaseResultLoader extends AsyncLoader<Set<? extends SearchResult
IndexColumns.DATA_SUMMARY_OFF_NORMALIZED,
};
public static final String[] MATCH_COLUMNS_TERTIARY = {
IndexColumns.DATA_KEYWORDS,
IndexColumns.DATA_ENTRIES
};
/**
* Base ranks defines the best possible rank based on what the query matches.
* If the query matches the prefix of the first word in the title, the best rank it can be is 1
* If the query matches the prefix of the other words in the title, the best rank it can be is 3
* If the query matches the prefix of the first word in the title, the best rank it can be
* is 1
* If the query matches the prefix of the other words in the title, the best rank it can be
* is 3
* If the query only matches the summary, the best rank it can be is 7
* If the query only matches keywords or entries, the best rank it can be is 9
*/
public static final int[] BASE_RANKS = {1, 3, 7, 9};
@VisibleForTesting
final String mQueryText;
private final Context mContext;
private final CursorToSearchResultConverter mConverter;
private final SiteMapManager mSiteMapManager;
public DatabaseResultLoader(Context context, String queryText, SiteMapManager mapManager) {
super(context);
mSiteMapManager = mapManager;
mContext = context;
mQueryText = queryText;
mConverter = new CursorToSearchResultConverter(context);
public DatabaseResultLoader(Context context, String query, SiteMapManager manager) {
super(new StaticSearchResultCallable(context, query, manager));
}
@Override
protected void onDiscardResult(Set<? extends SearchResult> result) {
// TODO Search
}
static class StaticSearchResultCallable implements
Callable<List<? extends SearchResult>> {
@Override
public Set<? extends SearchResult> loadInBackground() {
if (mQueryText == null || mQueryText.isEmpty()) {
return null;
public final String[] MATCH_COLUMNS_TERTIARY = {
IndexColumns.DATA_KEYWORDS,
IndexColumns.DATA_ENTRIES
};
@VisibleForTesting
final String mQueryText;
private final Context mContext;
private final CursorToSearchResultConverter mConverter;
private final SiteMapManager mSiteMapManager;
private final SearchFeatureProvider mFeatureProvider;
public StaticSearchResultCallable(Context context, String queryText,
SiteMapManager mapManager) {
mContext = context;
mSiteMapManager = mapManager;
mQueryText = queryText;
mConverter = new CursorToSearchResultConverter(context);
mFeatureProvider = FeatureFactory.getFactory(context).getSearchFeatureProvider();
}
final Set<SearchResult> results = new HashSet<>();
@Override
public List<? extends SearchResult> call() {
if (mQueryText == null || mQueryText.isEmpty()) {
return new ArrayList<>();
}
results.addAll(firstWordQuery(MATCH_COLUMNS_PRIMARY, BASE_RANKS[0]));
results.addAll(secondaryWordQuery(MATCH_COLUMNS_PRIMARY, BASE_RANKS[1]));
results.addAll(anyWordQuery(MATCH_COLUMNS_SECONDARY, BASE_RANKS[2]));
results.addAll(anyWordQuery(MATCH_COLUMNS_TERTIARY, BASE_RANKS[3]));
return results;
}
// TODO (b/68656233) Consolidate timing metrics
long startTime = System.currentTimeMillis();
// Start a Future to get search result scores.
FutureTask<List<Pair<String, Float>>> rankerTask = mFeatureProvider.getRankerTask(
mContext, mQueryText);
@Override
protected boolean onCancelLoad() {
// TODO
return super.onCancelLoad();
}
if (rankerTask != null) {
ExecutorService executorService = mFeatureProvider.getExecutorService();
executorService.execute(rankerTask);
}
/**
* Creates and executes the query which matches prefixes of the first word of the given columns.
*
* @param matchColumns The columns to match on
* @param baseRank The highest rank achievable by these results
* @return A set of the matching results.
*/
private Set<SearchResult> firstWordQuery(String[] matchColumns, int baseRank) {
final String whereClause = buildSingleWordWhereClause(matchColumns);
final String query = mQueryText + "%";
final String[] selection = buildSingleWordSelection(query, matchColumns.length);
final Set<SearchResult> resultSet = new HashSet<>();
return query(whereClause, selection, baseRank);
}
resultSet.addAll(firstWordQuery(MATCH_COLUMNS_PRIMARY, BASE_RANKS[0]));
resultSet.addAll(secondaryWordQuery(MATCH_COLUMNS_PRIMARY, BASE_RANKS[1]));
resultSet.addAll(anyWordQuery(MATCH_COLUMNS_SECONDARY, BASE_RANKS[2]));
resultSet.addAll(anyWordQuery(MATCH_COLUMNS_TERTIARY, BASE_RANKS[3]));
/**
* Creates and executes the query which matches prefixes of the non-first words of the
* given columns.
*
* @param matchColumns The columns to match on
* @param baseRank The highest rank achievable by these results
* @return A set of the matching results.
*/
private Set<SearchResult> secondaryWordQuery(String[] matchColumns, int baseRank) {
final String whereClause = buildSingleWordWhereClause(matchColumns);
final String query = "% " + mQueryText + "%";
final String[] selection = buildSingleWordSelection(query, matchColumns.length);
// Try to retrieve the scores in time. Otherwise use static ranking.
if (rankerTask != null) {
try {
final long timeoutMs = mFeatureProvider.smartSearchRankingTimeoutMs(mContext);
List<Pair<String, Float>> searchRankScores = rankerTask.get(timeoutMs,
TimeUnit.MILLISECONDS);
return getDynamicRankedResults(resultSet, searchRankScores);
} catch (TimeoutException | InterruptedException | ExecutionException e) {
Log.d(TAG, "Error waiting for result scores: " + e);
}
}
return query(whereClause, selection, baseRank);
}
/**
* Creates and executes the query which matches prefixes of the any word of the given columns.
*
* @param matchColumns The columns to match on
* @param baseRank The highest rank achievable by these results
* @return A set of the matching results.
*/
private Set<SearchResult> anyWordQuery(String[] matchColumns, int baseRank) {
final String whereClause = buildTwoWordWhereClause(matchColumns);
final String[] selection = buildAnyWordSelection(matchColumns.length * 2);
return query(whereClause, selection, baseRank);
}
/**
* Generic method used by all of the query methods above to execute a query.
*
* @param whereClause Where clause for the SQL query which uses bindings.
* @param selection List of the transformed query to match each bind in the whereClause
* @param baseRank The highest rank achievable by these results.
* @return A set of the matching results.
*/
private Set<SearchResult> query(String whereClause, String[] selection, int baseRank) {
final SQLiteDatabase database =
IndexDatabaseHelper.getInstance(mContext).getReadableDatabase();
try (Cursor resultCursor = database.query(TABLE_PREFS_INDEX, SELECT_COLUMNS, whereClause,
selection, null, null, null)) {
return mConverter.convertCursor(mSiteMapManager, resultCursor, baseRank);
List<SearchResult> resultList = new ArrayList<>(resultSet);
Collections.sort(resultList);
Log.i(TAG, "Static search loading took:" + (System.currentTimeMillis() - startTime));
return resultList;
}
}
/**
* Builds the SQLite WHERE clause that matches all matchColumns for a single query.
*
* @param matchColumns List of columns that will be used for matching.
* @return The constructed WHERE clause.
*/
private static String buildSingleWordWhereClause(String[] matchColumns) {
StringBuilder sb = new StringBuilder(" (");
final int count = matchColumns.length;
for (int n = 0; n < count; n++) {
sb.append(matchColumns[n]);
sb.append(" like ? ");
if (n < count - 1) {
sb.append(" OR ");
// TODO (b/33577327) Retrieve all search results with a single query.
/**
* Creates and executes the query which matches prefixes of the first word of the given
* columns.
*
* @param matchColumns The columns to match on
* @param baseRank The highest rank achievable by these results
* @return A set of the matching results.
*/
private Set<SearchResult> firstWordQuery(String[] matchColumns, int baseRank) {
final String whereClause = buildSingleWordWhereClause(matchColumns);
final String query = mQueryText + "%";
final String[] selection = buildSingleWordSelection(query, matchColumns.length);
return query(whereClause, selection, baseRank);
}
/**
* Creates and executes the query which matches prefixes of the non-first words of the
* given columns.
*
* @param matchColumns The columns to match on
* @param baseRank The highest rank achievable by these results
* @return A set of the matching results.
*/
private Set<SearchResult> secondaryWordQuery(String[] matchColumns, int baseRank) {
final String whereClause = buildSingleWordWhereClause(matchColumns);
final String query = "% " + mQueryText + "%";
final String[] selection = buildSingleWordSelection(query, matchColumns.length);
return query(whereClause, selection, baseRank);
}
/**
* Creates and executes the query which matches prefixes of the any word of the given
* columns.
*
* @param matchColumns The columns to match on
* @param baseRank The highest rank achievable by these results
* @return A set of the matching results.
*/
private Set<SearchResult> anyWordQuery(String[] matchColumns, int baseRank) {
final String whereClause = buildTwoWordWhereClause(matchColumns);
final String[] selection = buildAnyWordSelection(matchColumns.length * 2);
return query(whereClause, selection, baseRank);
}
/**
* Generic method used by all of the query methods above to execute a query.
*
* @param whereClause Where clause for the SQL query which uses bindings.
* @param selection List of the transformed query to match each bind in the whereClause
* @param baseRank The highest rank achievable by these results.
* @return A set of the matching results.
*/
private Set<SearchResult> query(String whereClause, String[] selection, int baseRank) {
final SQLiteDatabase database =
IndexDatabaseHelper.getInstance(mContext).getReadableDatabase();
try (Cursor resultCursor = database.query(TABLE_PREFS_INDEX, SELECT_COLUMNS,
whereClause,
selection, null, null, null)) {
return mConverter.convertCursor(mSiteMapManager, resultCursor, baseRank);
}
}
sb.append(") AND enabled = 1");
return sb.toString();
}
/**
* Builds the SQLite WHERE clause that matches all matchColumns to two different queries.
*
* @param matchColumns List of columns that will be used for matching.
* @return The constructed WHERE clause.
*/
private static String buildTwoWordWhereClause(String[] matchColumns) {
StringBuilder sb = new StringBuilder(" (");
final int count = matchColumns.length;
for (int n = 0; n < count; n++) {
sb.append(matchColumns[n]);
sb.append(" like ? OR ");
sb.append(matchColumns[n]);
sb.append(" like ?");
if (n < count - 1) {
sb.append(" OR ");
/**
* Builds the SQLite WHERE clause that matches all matchColumns for a single query.
*
* @param matchColumns List of columns that will be used for matching.
* @return The constructed WHERE clause.
*/
private static String buildSingleWordWhereClause(String[] matchColumns) {
StringBuilder sb = new StringBuilder(" (");
final int count = matchColumns.length;
for (int n = 0; n < count; n++) {
sb.append(matchColumns[n]);
sb.append(" like ? ");
if (n < count - 1) {
sb.append(" OR ");
}
}
sb.append(") AND enabled = 1");
return sb.toString();
}
sb.append(") AND enabled = 1");
return sb.toString();
}
/**
* Fills out the selection array to match the query as the prefix of a single word.
*
* @param size is the number of columns to be matched.
*/
private String[] buildSingleWordSelection(String query, int size) {
String[] selection = new String[size];
for (int i = 0; i < size; i++) {
selection[i] = query;
/**
* Builds the SQLite WHERE clause that matches all matchColumns to two different queries.
*
* @param matchColumns List of columns that will be used for matching.
* @return The constructed WHERE clause.
*/
private static String buildTwoWordWhereClause(String[] matchColumns) {
StringBuilder sb = new StringBuilder(" (");
final int count = matchColumns.length;
for (int n = 0; n < count; n++) {
sb.append(matchColumns[n]);
sb.append(" like ? OR ");
sb.append(matchColumns[n]);
sb.append(" like ?");
if (n < count - 1) {
sb.append(" OR ");
}
}
sb.append(") AND enabled = 1");
return sb.toString();
}
return selection;
}
/**
* Fills out the selection array to match the query as the prefix of a word.
*
* @param size is twice the number of columns to be matched. The first match is for the prefix
* of the first word in the column. The second match is for any subsequent word
* prefix match.
*/
private String[] buildAnyWordSelection(int size) {
String[] selection = new String[size];
final String query = mQueryText + "%";
final String subStringQuery = "% " + mQueryText + "%";
/**
* Fills out the selection array to match the query as the prefix of a single word.
*
* @param size is the number of columns to be matched.
*/
private String[] buildSingleWordSelection(String query, int size) {
String[] selection = new String[size];
for (int i = 0; i < (size - 1); i += 2) {
selection[i] = query;
selection[i + 1] = subStringQuery;
for (int i = 0; i < size; i++) {
selection[i] = query;
}
return selection;
}
/**
* Fills out the selection array to match the query as the prefix of a word.
*
* @param size is twice the number of columns to be matched. The first match is for the
* prefix
* of the first word in the column. The second match is for any subsequent word
* prefix match.
*/
private String[] buildAnyWordSelection(int size) {
String[] selection = new String[size];
final String query = mQueryText + "%";
final String subStringQuery = "% " + mQueryText + "%";
for (int i = 0; i < (size - 1); i += 2) {
selection[i] = query;
selection[i + 1] = subStringQuery;
}
return selection;
}
private List<SearchResult> getDynamicRankedResults(Set<SearchResult> unsortedSet,
List<Pair<String, Float>> searchRankScores) {
TreeSet<SearchResult> dbResultsSortedByScores = new TreeSet<>(
(o1, o2) -> {
float score1 = getRankingScoreByStableId(searchRankScores, o1.stableId);
float score2 = getRankingScoreByStableId(searchRankScores, o2.stableId);
if (score1 > score2) {
return -1;
} else if (score1 == score2) {
return 0;
} else {
return 1;
}
});
dbResultsSortedByScores.addAll(unsortedSet);
return new ArrayList<>(dbResultsSortedByScores);
}
/**
* Looks up ranking score for stableId
*
* @param stableId String of stableId
* @return the ranking score corresponding to the given stableId. If there is no score
* available for this stableId, -Float.MAX_VALUE is returned.
*/
@VisibleForTesting
Float getRankingScoreByStableId(List<Pair<String, Float>> searchRankScores, int stableId) {
for (Pair<String, Float> rankingScore : searchRankScores) {
if (Integer.toString(stableId).compareTo(rankingScore.first) == 0) {
return rankingScore.second;
}
}
// If stableId not found in the list, we assign the minimum score so it will appear at
// the end of the list.
Log.w(TAG, "stableId " + stableId + " was not in the ranking scores.");
return -Float.MAX_VALUE;
}
return selection;
}
}

259
src/com/android/settings/search/InputDeviceResultLoader.java
View File

@@ -26,6 +26,7 @@ import android.content.pm.ServiceInfo;
import android.hardware.input.InputManager;
import android.hardware.input.KeyboardLayout;
import android.support.annotation.VisibleForTesting;
import android.util.Log;
import android.view.InputDevice;
import android.view.inputmethod.InputMethodInfo;
import android.view.inputmethod.InputMethodManager;
@@ -35,20 +36,24 @@ import com.android.settings.R;
import com.android.settings.dashboard.SiteMapManager;
import com.android.settings.inputmethod.AvailableVirtualKeyboardFragment;
import com.android.settings.inputmethod.PhysicalKeyboardFragment;
import com.android.settings.utils.AsyncLoader;
import com.android.settingslib.inputmethod.InputMethodAndSubtypeUtil;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.FutureTask;
/**
* Search result for input devices (physical/virtual keyboard, game controllers, etc)
*/
public class InputDeviceResultLoader extends AsyncLoader<Set<? extends SearchResult>> {
private static final int NAME_NO_MATCH = -1;
public class InputDeviceResultLoader extends FutureTask<List<? extends SearchResult>> {
private static final String TAG = "InputResultFutureTask";
@VisibleForTesting
static final String PHYSICAL_KEYBOARD_FRAGMENT = PhysicalKeyboardFragment.class.getName();
@@ -56,145 +61,151 @@ public class InputDeviceResultLoader extends AsyncLoader<Set<? extends SearchRes
static final String VIRTUAL_KEYBOARD_FRAGMENT =
AvailableVirtualKeyboardFragment.class.getName();
private final SiteMapManager mSiteMapManager;
private final InputManager mInputManager;
private final InputMethodManager mImm;
private final PackageManager mPackageManager;
@VisibleForTesting
final String mQuery;
private List<String> mPhysicalKeyboardBreadcrumb;
private List<String> mVirtualKeyboardBreadcrumb;
public InputDeviceResultLoader(Context context, String query, SiteMapManager mapManager) {
super(context);
mQuery = query;
mSiteMapManager = mapManager;
mInputManager = (InputManager) context.getSystemService(Context.INPUT_SERVICE);
mImm = (InputMethodManager) context.getSystemService(INPUT_METHOD_SERVICE);
mPackageManager = context.getPackageManager();
public InputDeviceResultLoader(Context context, String query, SiteMapManager manager) {
super(new InputDeviceResultCallable(context, query, manager));
}
@Override
protected void onDiscardResult(Set<? extends SearchResult> result) {
}
static class InputDeviceResultCallable implements
Callable<List<? extends SearchResult>> {
private static final int NAME_NO_MATCH = -1;
@Override
public Set<? extends SearchResult> loadInBackground() {
final Set<SearchResult> results = new HashSet<>();
results.addAll(buildPhysicalKeyboardSearchResults());
results.addAll(buildVirtualKeyboardSearchResults());
return results;
}
private final Context mContext;
private final SiteMapManager mSiteMapManager;
private final InputManager mInputManager;
private final InputMethodManager mImm;
private final PackageManager mPackageManager;
@VisibleForTesting
final String mQuery;
private Set<SearchResult> buildPhysicalKeyboardSearchResults() {
final Set<SearchResult> results = new HashSet<>();
final Context context = getContext();
final String screenTitle = context.getString(R.string.physical_keyboard_title);
private List<String> mPhysicalKeyboardBreadcrumb;
private List<String> mVirtualKeyboardBreadcrumb;
for (final InputDevice device : getPhysicalFullKeyboards()) {
final String deviceName = device.getName();
final int wordDiff = InstalledAppResultLoader.getWordDifference(deviceName, mQuery);
if (wordDiff == NAME_NO_MATCH) {
continue;
public InputDeviceResultCallable(Context context, String query, SiteMapManager mapManager) {
mContext = context;
mQuery = query;
mSiteMapManager = mapManager;
mInputManager = (InputManager) context.getSystemService(Context.INPUT_SERVICE);
mImm = (InputMethodManager) context.getSystemService(INPUT_METHOD_SERVICE);
mPackageManager = context.getPackageManager();
}
@Override
public List<? extends SearchResult> call() {
long startTime = System.currentTimeMillis();
final List<SearchResult> results = new ArrayList<>();
results.addAll(buildPhysicalKeyboardSearchResults());
results.addAll(buildVirtualKeyboardSearchResults());
Collections.sort(results);
Log.i(TAG, "Input search loading took:" + (System.currentTimeMillis() - startTime));
return results;
}
private Set<SearchResult> buildPhysicalKeyboardSearchResults() {
final Set<SearchResult> results = new HashSet<>();
final String screenTitle = mContext.getString(R.string.physical_keyboard_title);
for (final InputDevice device : getPhysicalFullKeyboards()) {
final String deviceName = device.getName();
final int wordDiff = InstalledAppResultLoader.getWordDifference(deviceName,
mQuery);
if (wordDiff == NAME_NO_MATCH) {
continue;
}
final String keyboardLayoutDescriptor = mInputManager
.getCurrentKeyboardLayoutForInputDevice(device.getIdentifier());
final KeyboardLayout keyboardLayout = (keyboardLayoutDescriptor != null)
? mInputManager.getKeyboardLayout(keyboardLayoutDescriptor) : null;
final String summary = (keyboardLayout != null)
? keyboardLayout.toString()
: mContext.getString(R.string.keyboard_layout_default_label);
final Intent intent = DatabaseIndexingUtils.buildSearchResultPageIntent(mContext,
PHYSICAL_KEYBOARD_FRAGMENT, deviceName, screenTitle);
results.add(new SearchResult.Builder()
.setTitle(deviceName)
.setPayload(new ResultPayload(intent))
.setStableId(Objects.hash(PHYSICAL_KEYBOARD_FRAGMENT, deviceName))
.setSummary(summary)
.setRank(wordDiff)
.addBreadcrumbs(getPhysicalKeyboardBreadCrumb())
.build());
}
final String keyboardLayoutDescriptor = mInputManager
.getCurrentKeyboardLayoutForInputDevice(device.getIdentifier());
final KeyboardLayout keyboardLayout = (keyboardLayoutDescriptor != null)
? mInputManager.getKeyboardLayout(keyboardLayoutDescriptor) : null;
final String summary = (keyboardLayout != null)
? keyboardLayout.toString()
: context.getString(R.string.keyboard_layout_default_label);
final String key = deviceName;
final Intent intent = DatabaseIndexingUtils.buildSearchResultPageIntent(context,
PHYSICAL_KEYBOARD_FRAGMENT, key, screenTitle);
results.add(new SearchResult.Builder()
.setTitle(deviceName)
.setPayload(new ResultPayload(intent))
.setStableId(Objects.hash(PHYSICAL_KEYBOARD_FRAGMENT, key))
.setSummary(summary)
.setRank(wordDiff)
.addBreadcrumbs(getPhysicalKeyboardBreadCrumb())
.build());
return results;
}
return results;
}
private Set<SearchResult> buildVirtualKeyboardSearchResults() {
final Set<SearchResult> results = new HashSet<>();
final Context context = getContext();
final String screenTitle = context.getString(R.string.add_virtual_keyboard);
final List<InputMethodInfo> inputMethods = mImm.getInputMethodList();
for (InputMethodInfo info : inputMethods) {
final String title = info.loadLabel(mPackageManager).toString();
final String summary = InputMethodAndSubtypeUtil
.getSubtypeLocaleNameListAsSentence(getAllSubtypesOf(info), context, info);
int wordDiff = InstalledAppResultLoader.getWordDifference(title, mQuery);
if (wordDiff == NAME_NO_MATCH) {
wordDiff = InstalledAppResultLoader.getWordDifference(summary, mQuery);
private Set<SearchResult> buildVirtualKeyboardSearchResults() {
final Set<SearchResult> results = new HashSet<>();
final String screenTitle = mContext.getString(R.string.add_virtual_keyboard);
final List<InputMethodInfo> inputMethods = mImm.getInputMethodList();
for (InputMethodInfo info : inputMethods) {
final String title = info.loadLabel(mPackageManager).toString();
final String summary = InputMethodAndSubtypeUtil
.getSubtypeLocaleNameListAsSentence(getAllSubtypesOf(info), mContext, info);
int wordDiff = InstalledAppResultLoader.getWordDifference(title, mQuery);
if (wordDiff == NAME_NO_MATCH) {
wordDiff = InstalledAppResultLoader.getWordDifference(summary, mQuery);
}
if (wordDiff == NAME_NO_MATCH) {
continue;
}
final ServiceInfo serviceInfo = info.getServiceInfo();
final String key = new ComponentName(serviceInfo.packageName, serviceInfo.name)
.flattenToString();
final Intent intent = DatabaseIndexingUtils.buildSearchResultPageIntent(mContext,
VIRTUAL_KEYBOARD_FRAGMENT, key, screenTitle);
results.add(new SearchResult.Builder()
.setTitle(title)
.setSummary(summary)
.setRank(wordDiff)
.setStableId(Objects.hash(VIRTUAL_KEYBOARD_FRAGMENT, key))
.addBreadcrumbs(getVirtualKeyboardBreadCrumb())
.setPayload(new ResultPayload(intent))
.build());
}
if (wordDiff == NAME_NO_MATCH) {
continue;
return results;
}
private List<String> getPhysicalKeyboardBreadCrumb() {
if (mPhysicalKeyboardBreadcrumb == null || mPhysicalKeyboardBreadcrumb.isEmpty()) {
mPhysicalKeyboardBreadcrumb = mSiteMapManager.buildBreadCrumb(
mContext, PHYSICAL_KEYBOARD_FRAGMENT,
mContext.getString(R.string.physical_keyboard_title));
}
final ServiceInfo serviceInfo = info.getServiceInfo();
final String key = new ComponentName(serviceInfo.packageName, serviceInfo.name)
.flattenToString();
final Intent intent = DatabaseIndexingUtils.buildSearchResultPageIntent(context,
VIRTUAL_KEYBOARD_FRAGMENT, key, screenTitle);
results.add(new SearchResult.Builder()
.setTitle(title)
.setSummary(summary)
.setRank(wordDiff)
.setStableId(Objects.hash(VIRTUAL_KEYBOARD_FRAGMENT, key))
.addBreadcrumbs(getVirtualKeyboardBreadCrumb())
.setPayload(new ResultPayload(intent))
.build());
return mPhysicalKeyboardBreadcrumb;
}
return results;
}
private List<String> getPhysicalKeyboardBreadCrumb() {
if (mPhysicalKeyboardBreadcrumb == null || mPhysicalKeyboardBreadcrumb.isEmpty()) {
final Context context = getContext();
mPhysicalKeyboardBreadcrumb = mSiteMapManager.buildBreadCrumb(
context, PHYSICAL_KEYBOARD_FRAGMENT,
context.getString(R.string.physical_keyboard_title));
private List<String> getVirtualKeyboardBreadCrumb() {
if (mVirtualKeyboardBreadcrumb == null || mVirtualKeyboardBreadcrumb.isEmpty()) {
final Context context = mContext;
mVirtualKeyboardBreadcrumb = mSiteMapManager.buildBreadCrumb(
context, VIRTUAL_KEYBOARD_FRAGMENT,
context.getString(R.string.add_virtual_keyboard));
}
return mVirtualKeyboardBreadcrumb;
}
return mPhysicalKeyboardBreadcrumb;
}
private List<String> getVirtualKeyboardBreadCrumb() {
if (mVirtualKeyboardBreadcrumb == null || mVirtualKeyboardBreadcrumb.isEmpty()) {
final Context context = getContext();
mVirtualKeyboardBreadcrumb = mSiteMapManager.buildBreadCrumb(
context, VIRTUAL_KEYBOARD_FRAGMENT,
context.getString(R.string.add_virtual_keyboard));
}
return mVirtualKeyboardBreadcrumb;
}
private List<InputDevice> getPhysicalFullKeyboards() {
final List<InputDevice> keyboards = new ArrayList<>();
final int[] deviceIds = InputDevice.getDeviceIds();
if (deviceIds != null) {
for (int deviceId : deviceIds) {
final InputDevice device = InputDevice.getDevice(deviceId);
if (device != null && !device.isVirtual() && device.isFullKeyboard()) {
keyboards.add(device);
private List<InputDevice> getPhysicalFullKeyboards() {
final List<InputDevice> keyboards = new ArrayList<>();
final int[] deviceIds = InputDevice.getDeviceIds();
if (deviceIds != null) {
for (int deviceId : deviceIds) {
final InputDevice device = InputDevice.getDevice(deviceId);
if (device != null && !device.isVirtual() && device.isFullKeyboard()) {
keyboards.add(device);
}
}
}
return keyboards;
}
return keyboards;
}
private static List<InputMethodSubtype> getAllSubtypesOf(final InputMethodInfo imi) {
final int subtypeCount = imi.getSubtypeCount();
final List<InputMethodSubtype> allSubtypes = new ArrayList<>(subtypeCount);
for (int index = 0; index < subtypeCount; index++) {
allSubtypes.add(imi.getSubtypeAt(index));
private static List<InputMethodSubtype> getAllSubtypesOf(final InputMethodInfo imi) {
final int subtypeCount = imi.getSubtypeCount();
final List<InputMethodSubtype> allSubtypes = new ArrayList<>(subtypeCount);
for (int index = 0; index < subtypeCount; index++) {
allSubtypes.add(imi.getSubtypeAt(index));
}
return allSubtypes;
}
return allSubtypes;
}
}

251
src/com/android/settings/search/InstalledAppResultLoader.java
View File

@@ -29,124 +29,39 @@ import android.os.UserManager;
import android.provider.Settings;
import android.support.annotation.VisibleForTesting;
import android.text.TextUtils;
import android.util.Log;
import com.android.internal.logging.nano.MetricsProto;
import com.android.settings.R;
import com.android.settings.SettingsActivity;
import com.android.settings.applications.manageapplications.ManageApplications;
import com.android.settings.dashboard.SiteMapManager;
import com.android.settings.utils.AsyncLoader;
import com.android.settingslib.wrapper.PackageManagerWrapper;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.FutureTask;
/**
* Search loader for installed apps.
*/
public class InstalledAppResultLoader extends AsyncLoader<Set<? extends SearchResult>> {
public class InstalledAppResultLoader extends FutureTask<List<? extends SearchResult>> {
private static final String TAG = "InstalledAppFutureTask";
private static final int NAME_NO_MATCH = -1;
private static final Intent LAUNCHER_PROBE = new Intent(Intent.ACTION_MAIN)
.addCategory(Intent.CATEGORY_LAUNCHER);
private List<String> mBreadcrumb;
private SiteMapManager mSiteMapManager;
@VisibleForTesting
final String mQuery;
private final UserManager mUserManager;
private final PackageManagerWrapper mPackageManager;
private final List<ResolveInfo> mHomeActivities = new ArrayList<>();
public InstalledAppResultLoader(Context context, PackageManagerWrapper pmWrapper,
String query, SiteMapManager mapManager) {
super(context);
mSiteMapManager = mapManager;
mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
mPackageManager = pmWrapper;
mQuery = query;
}
@Override
public Set<? extends SearchResult> loadInBackground() {
final Set<AppSearchResult> results = new HashSet<>();
final PackageManager pm = mPackageManager.getPackageManager();
mHomeActivities.clear();
mPackageManager.getHomeActivities(mHomeActivities);
for (UserInfo user : getUsersToCount()) {
final List<ApplicationInfo> apps =
mPackageManager.getInstalledApplicationsAsUser(
PackageManager.MATCH_DISABLED_COMPONENTS
| PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS
| (user.isAdmin() ? PackageManager.MATCH_ANY_USER : 0),
user.id);
for (ApplicationInfo info : apps) {
if (!shouldIncludeAsCandidate(info, user)) {
continue;
}
final CharSequence label = info.loadLabel(pm);
final int wordDiff = getWordDifference(label.toString(), mQuery);
if (wordDiff == NAME_NO_MATCH) {
continue;
}
final Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
.setData(Uri.fromParts("package", info.packageName, null))
.putExtra(SettingsActivity.EXTRA_SOURCE_METRICS_CATEGORY,
MetricsProto.MetricsEvent.DASHBOARD_SEARCH_RESULTS);
final AppSearchResult.Builder builder = new AppSearchResult.Builder();
builder.setAppInfo(info)
.setStableId(Objects.hash(info.packageName, user.id))
.setTitle(info.loadLabel(pm))
.setRank(getRank(wordDiff))
.addBreadcrumbs(getBreadCrumb())
.setPayload(new ResultPayload(intent));
results.add(builder.build());
}
}
return results;
}
/**
* Returns true if the candidate should be included in candidate list
* <p/>
* This method matches logic in {@code ApplicationState#FILTER_DOWNLOADED_AND_LAUNCHER}.
*/
private boolean shouldIncludeAsCandidate(ApplicationInfo info, UserInfo user) {
// Not system app
if ((info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0
|| (info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
return true;
}
// Shows up in launcher
final Intent launchIntent = new Intent(LAUNCHER_PROBE)
.setPackage(info.packageName);
final List<ResolveInfo> intents = mPackageManager.queryIntentActivitiesAsUser(
launchIntent,
PackageManager.MATCH_DISABLED_COMPONENTS
| PackageManager.MATCH_DIRECT_BOOT_AWARE
| PackageManager.MATCH_DIRECT_BOOT_UNAWARE,
user.id);
if (intents != null && intents.size() != 0) {
return true;
}
// Is launcher app itself
return isPackageInList(mHomeActivities, info.packageName);
}
@Override
protected void onDiscardResult(Set<? extends SearchResult> result) {
}
private List<UserInfo> getUsersToCount() {
return mUserManager.getProfiles(UserHandle.myUserId());
public InstalledAppResultLoader(Context context, PackageManagerWrapper wrapper,
String query, SiteMapManager manager) {
super(new InstalledAppResultCallable(context, wrapper, query, manager));
}
/**
@@ -213,35 +128,133 @@ public class InstalledAppResultLoader extends AsyncLoader<Set<? extends SearchRe
return NAME_NO_MATCH;
}
private boolean isPackageInList(List<ResolveInfo> resolveInfos, String pkg) {
for (ResolveInfo info : resolveInfos) {
if (TextUtils.equals(info.activityInfo.packageName, pkg)) {
static class InstalledAppResultCallable implements
Callable<List<? extends SearchResult>> {
private final Context mContext;
private List<String> mBreadcrumb;
private SiteMapManager mSiteMapManager;
@VisibleForTesting
final String mQuery;
private final UserManager mUserManager;
private final PackageManagerWrapper mPackageManager;
private final List<ResolveInfo> mHomeActivities = new ArrayList<>();
public InstalledAppResultCallable(Context context, PackageManagerWrapper pmWrapper,
String query, SiteMapManager mapManager) {
mContext = context;
mSiteMapManager = mapManager;
mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
mPackageManager = pmWrapper;
mQuery = query;
}
@Override
public List<? extends SearchResult> call() throws Exception {
long startTime = System.currentTimeMillis();
final List<AppSearchResult> results = new ArrayList<>();
final PackageManager pm = mPackageManager.getPackageManager();
mHomeActivities.clear();
mPackageManager.getHomeActivities(mHomeActivities);
for (UserInfo user : getUsersToCount()) {
final List<ApplicationInfo> apps =
mPackageManager.getInstalledApplicationsAsUser(
PackageManager.MATCH_DISABLED_COMPONENTS
| PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS
| (user.isAdmin() ? PackageManager.MATCH_ANY_USER : 0),
user.id);
for (ApplicationInfo info : apps) {
if (!shouldIncludeAsCandidate(info, user)) {
continue;
}
final CharSequence label = info.loadLabel(pm);
final int wordDiff = getWordDifference(label.toString(), mQuery);
if (wordDiff == NAME_NO_MATCH) {
continue;
}
final Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
.setData(Uri.fromParts("package", info.packageName, null))
.putExtra(SettingsActivity.EXTRA_SOURCE_METRICS_CATEGORY,
MetricsProto.MetricsEvent.DASHBOARD_SEARCH_RESULTS);
final AppSearchResult.Builder builder = new AppSearchResult.Builder();
builder.setAppInfo(info)
.setStableId(Objects.hash(info.packageName, user.id))
.setTitle(info.loadLabel(pm))
.setRank(getRank(wordDiff))
.addBreadcrumbs(getBreadCrumb())
.setPayload(new ResultPayload(intent));
results.add(builder.build());
}
}
Collections.sort(results);
Log.i(TAG, "App search loading took:" + (System.currentTimeMillis() - startTime));
return results;
}
/**
* Returns true if the candidate should be included in candidate list
* <p/>
* This method matches logic in {@code ApplicationState#FILTER_DOWNLOADED_AND_LAUNCHER}.
*/
private boolean shouldIncludeAsCandidate(ApplicationInfo info, UserInfo user) {
// Not system app
if ((info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0
|| (info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
return true;
}
// Shows up in launcher
final Intent launchIntent = new Intent(LAUNCHER_PROBE)
.setPackage(info.packageName);
final List<ResolveInfo> intents = mPackageManager.queryIntentActivitiesAsUser(
launchIntent,
PackageManager.MATCH_DISABLED_COMPONENTS
| PackageManager.MATCH_DIRECT_BOOT_AWARE
| PackageManager.MATCH_DIRECT_BOOT_UNAWARE,
user.id);
if (intents != null && intents.size() != 0) {
return true;
}
// Is launcher app itself
return isPackageInList(mHomeActivities, info.packageName);
}
return false;
}
private List<String> getBreadCrumb() {
if (mBreadcrumb == null || mBreadcrumb.isEmpty()) {
final Context context = getContext();
mBreadcrumb = mSiteMapManager.buildBreadCrumb(
context, ManageApplications.class.getName(),
context.getString(R.string.applications_settings));
private List<UserInfo> getUsersToCount() {
return mUserManager.getProfiles(UserHandle.myUserId());
}
return mBreadcrumb;
}
/**
* A temporary ranking scheme for installed apps.
*
* @param wordDiff difference between query length and app name length.
* @return the ranking.
*/
private int getRank(int wordDiff) {
if (wordDiff < 6) {
return 2;
private boolean isPackageInList(List<ResolveInfo> resolveInfos, String pkg) {
for (ResolveInfo info : resolveInfos) {
if (TextUtils.equals(info.activityInfo.packageName, pkg)) {
return true;
}
}
return false;
}
private List<String> getBreadCrumb() {
if (mBreadcrumb == null || mBreadcrumb.isEmpty()) {
mBreadcrumb = mSiteMapManager.buildBreadCrumb(
mContext, ManageApplications.class.getName(),
mContext.getString(R.string.applications_settings));
}
return mBreadcrumb;
}
/**
* A temporary ranking scheme for installed apps.
*
* @param wordDiff difference between query length and app name length.
* @return the ranking.
*/
private int getRank(int wordDiff) {
if (wordDiff < 6) {
return 2;
}
return 3;
}
return 3;
}
}

47
src/com/android/settings/search/SearchFeatureProvider.java
View File

@@ -19,10 +19,14 @@ package com.android.settings.search;
import android.annotation.NonNull;
import android.content.ComponentName;
import android.content.Context;
import android.util.Pair;
import android.view.View;
import com.android.settings.dashboard.SiteMapManager;
import com.android.settings.search.ranking.SearchResultsRankerCallback;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.FutureTask;
/**
* FeatureProvider for Settings Search
@@ -43,26 +47,31 @@ public interface SearchFeatureProvider {
void verifyLaunchSearchResultPageCaller(Context context, @NonNull ComponentName caller)
throws SecurityException, IllegalArgumentException;
/**
* Returns a new loader to get settings search results.
*/
SearchResultLoader getSearchResultLoader(Context context, String query);
/**
* Returns a new loader to search in index database.
*/
DatabaseResultLoader getDatabaseSearchLoader(Context context, String query);
DatabaseResultLoader getStaticSearchResultTask(Context context, String query);
/**
* Returns a new loader to search installed apps.
*/
InstalledAppResultLoader getInstalledAppSearchLoader(Context context, String query);
InstalledAppResultLoader getInstalledAppSearchTask(Context context, String query);
/**
* Returns a new loader to search accessibility services.
*/
AccessibilityServiceResultLoader getAccessibilityServiceResultLoader(Context context,
AccessibilityServiceResultLoader getAccessibilityServiceResultTask(Context context,
String query);
/**
* Returns a new loader to search input devices.
*/
InputDeviceResultLoader getInputDeviceResultLoader(Context context, String query);
InputDeviceResultLoader getInputDeviceResultTask(Context context, String query);
/**
* Returns a new loader to get all recently saved queries search terms.
@@ -95,6 +104,11 @@ public interface SearchFeatureProvider {
*/
boolean isIndexingComplete(Context context);
/**
* @return a {@link ExecutorService} to be shared between search tasks.
*/
ExecutorService getExecutorService();
/**
* Initializes the feedback button in case it was dismissed.
*/
@@ -114,23 +128,6 @@ public interface SearchFeatureProvider {
default void hideFeedbackButton() {
}
/**
* Query search results based on the input query.
*
* @param context application context
* @param query input user query
* @param searchResultsRankerCallback {@link SearchResultsRankerCallback}
*/
default void querySearchResults(Context context, String query,
SearchResultsRankerCallback searchResultsRankerCallback) {
}
/**
* Cancel pending search query
*/
default void cancelPendingSearchQuery(Context context) {
}
/**
* Notify that a search result is clicked.
*
@@ -161,4 +158,10 @@ public interface SearchFeatureProvider {
default void searchRankingWarmup(Context context) {
}
/**
* Return a FutureTask to get a list of scores for search results.
*/
default FutureTask<List<Pair<String, Float>>> getRankerTask(Context context, String query) {
return null;
}
}

28
src/com/android/settings/search/SearchFeatureProviderImpl.java
View File

@@ -22,12 +22,15 @@ import android.content.Context;
import android.text.TextUtils;
import android.util.Log;
import com.android.internal.annotations.VisibleForTesting;
import com.android.settings.dashboard.SiteMapManager;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.search.indexing.IndexData;
import com.android.settingslib.wrapper.PackageManagerWrapper;
import java.util.Locale;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/**
* FeatureProvider for the refactored search code.
@@ -40,6 +43,7 @@ public class SearchFeatureProviderImpl implements SearchFeatureProvider {
private DatabaseIndexingManager mDatabaseIndexingManager;
private SiteMapManager mSiteMapManager;
private ExecutorService mExecutorService;
@Override
public boolean isEnabled(Context context) {
@@ -59,26 +63,31 @@ public class SearchFeatureProviderImpl implements SearchFeatureProvider {
}
@Override
public DatabaseResultLoader getDatabaseSearchLoader(Context context, String query) {
public SearchResultLoader getSearchResultLoader(Context context, String query) {
return new SearchResultLoader(context, cleanQuery(query));
}
@Override
public DatabaseResultLoader getStaticSearchResultTask(Context context, String query) {
return new DatabaseResultLoader(context, cleanQuery(query), getSiteMapManager());
}
@Override
public InstalledAppResultLoader getInstalledAppSearchLoader(Context context, String query) {
public InstalledAppResultLoader getInstalledAppSearchTask(Context context, String query) {
return new InstalledAppResultLoader(
context, new PackageManagerWrapper(context.getPackageManager()),
cleanQuery(query), getSiteMapManager());
}
@Override
public AccessibilityServiceResultLoader getAccessibilityServiceResultLoader(Context context,
public AccessibilityServiceResultLoader getAccessibilityServiceResultTask(Context context,
String query) {
return new AccessibilityServiceResultLoader(context, cleanQuery(query),
getSiteMapManager());
}
@Override
public InputDeviceResultLoader getInputDeviceResultLoader(Context context, String query) {
public InputDeviceResultLoader getInputDeviceResultTask(Context context, String query) {
return new InputDeviceResultLoader(context, cleanQuery(query), getSiteMapManager());
}
@@ -124,12 +133,21 @@ public class SearchFeatureProviderImpl implements SearchFeatureProvider {
.histogram(context, METRICS_ACTION_SETTINGS_INDEX, indexingTime);
}
@Override
public ExecutorService getExecutorService() {
if (mExecutorService == null) {
mExecutorService = Executors.newCachedThreadPool();
}
return mExecutorService;
}
/**
* A generic method to make the query suitable for searching the database.
*
* @return the cleaned query string
*/
private String cleanQuery(String query) {
@VisibleForTesting
String cleanQuery(String query) {
if (TextUtils.isEmpty(query)) {
return null;
}

77
src/com/android/settings/search/SearchFragment.java
View File

@@ -54,8 +54,6 @@ import com.android.settings.widget.ActionBarShadowController;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
/**
* This fragment manages the lifecycle of indexing and searching.
@@ -68,7 +66,7 @@ import java.util.concurrent.atomic.AtomicInteger;
* the query if the user has entered text.
*/
public class SearchFragment extends InstrumentedFragment implements SearchView.OnQueryTextListener,
LoaderManager.LoaderCallbacks<Set<? extends SearchResult>>, IndexingCallback {
LoaderManager.LoaderCallbacks<List<? extends SearchResult>>, IndexingCallback {
private static final String TAG = "SearchFragment";
// State values
@@ -78,23 +76,14 @@ public class SearchFragment extends InstrumentedFragment implements SearchView.O
static final class SearchLoaderId {
// Search Query IDs
public static final int DATABASE = 1;
public static final int INSTALLED_APPS = 2;
public static final int ACCESSIBILITY_SERVICES = 3;
public static final int INPUT_DEVICES = 4;
public static final int SEARCH_RESULT = 1;
// Saved Query IDs
public static final int SAVE_QUERY_TASK = 5;
public static final int REMOVE_QUERY_TASK = 6;
public static final int SAVED_QUERIES = 7;
public static final int SAVE_QUERY_TASK = 2;
public static final int REMOVE_QUERY_TASK = 3;
public static final int SAVED_QUERIES = 4;
}
private static final int NUM_QUERY_LOADERS = 4;
@VisibleForTesting
AtomicInteger mUnfinishedLoadersCount = new AtomicInteger(NUM_QUERY_LOADERS);
@VisibleForTesting
String mQuery;
@@ -147,7 +136,7 @@ public class SearchFragment extends InstrumentedFragment implements SearchView.O
setHasOptionsMenu(true);
final LoaderManager loaderManager = getLoaderManager();
mSearchAdapter = new SearchResultsAdapter(this, mSearchFeatureProvider);
mSearchAdapter = new SearchResultsAdapter(this /* fragment */);
mSavedQueryController = new SavedQueryController(
getContext(), loaderManager, mSearchAdapter);
mSearchFeatureProvider.initFeedbackButton();
@@ -277,15 +266,11 @@ public class SearchFragment extends InstrumentedFragment implements SearchView.O
if (isEmptyQuery) {
final LoaderManager loaderManager = getLoaderManager();
loaderManager.destroyLoader(SearchLoaderId.DATABASE);
loaderManager.destroyLoader(SearchLoaderId.INSTALLED_APPS);
loaderManager.destroyLoader(SearchLoaderId.ACCESSIBILITY_SERVICES);
loaderManager.destroyLoader(SearchLoaderId.INPUT_DEVICES);
loaderManager.destroyLoader(SearchLoaderId.SEARCH_RESULT);
mShowingSavedQuery = true;
mSavedQueryController.loadSavedQueries();
mSearchFeatureProvider.hideFeedbackButton();
} else {
mSearchAdapter.initializeSearch(mQuery);
restartLoaders();
}
@@ -301,35 +286,25 @@ public class SearchFragment extends InstrumentedFragment implements SearchView.O
}
@Override
public Loader<Set<? extends SearchResult>> onCreateLoader(int id, Bundle args) {
public Loader<List<? extends SearchResult>> onCreateLoader(int id, Bundle args) {
final Activity activity = getActivity();
switch (id) {
case SearchLoaderId.DATABASE:
return mSearchFeatureProvider.getDatabaseSearchLoader(activity, mQuery);
case SearchLoaderId.INSTALLED_APPS:
return mSearchFeatureProvider.getInstalledAppSearchLoader(activity, mQuery);
case SearchLoaderId.ACCESSIBILITY_SERVICES:
return mSearchFeatureProvider.getAccessibilityServiceResultLoader(activity, mQuery);
case SearchLoaderId.INPUT_DEVICES:
return mSearchFeatureProvider.getInputDeviceResultLoader(activity, mQuery);
switch(id) {
case SearchLoaderId.SEARCH_RESULT:
return mSearchFeatureProvider.getSearchResultLoader(activity, mQuery);
default:
return null;
}
}
@Override
public void onLoadFinished(Loader<Set<? extends SearchResult>> loader,
Set<? extends SearchResult> data) {
mSearchAdapter.addSearchResults(data, loader.getClass().getName());
if (mUnfinishedLoadersCount.decrementAndGet() != 0) {
return;
}
mSearchAdapter.notifyResultsLoaded();
public void onLoadFinished(Loader<List<? extends SearchResult>> loader,
List<? extends SearchResult> data) {
mSearchAdapter.postSearchResults(data);
}
@Override
public void onLoaderReset(Loader<Set<? extends SearchResult>> loader) {
public void onLoaderReset(Loader<List<? extends SearchResult>> loader) {
}
/**
@@ -344,13 +319,8 @@ public class SearchFragment extends InstrumentedFragment implements SearchView.O
mSavedQueryController.loadSavedQueries();
} else {
final LoaderManager loaderManager = getLoaderManager();
loaderManager.initLoader(SearchLoaderId.DATABASE, null /* args */, this /* callback */);
loaderManager.initLoader(
SearchLoaderId.INSTALLED_APPS, null /* args */, this /* callback */);
loaderManager.initLoader(
SearchLoaderId.ACCESSIBILITY_SERVICES, null /* args */, this /* callback */);
loaderManager.initLoader(
SearchLoaderId.INPUT_DEVICES, null /* args */, this /* callback */);
loaderManager.initLoader(SearchLoaderId.SEARCH_RESULT, null /* args */,
this /* callback */);
}
requery();
@@ -388,15 +358,8 @@ public class SearchFragment extends InstrumentedFragment implements SearchView.O
private void restartLoaders() {
mShowingSavedQuery = false;
final LoaderManager loaderManager = getLoaderManager();
mUnfinishedLoadersCount.set(NUM_QUERY_LOADERS);
loaderManager.restartLoader(
SearchLoaderId.DATABASE, null /* args */, this /* callback */);
loaderManager.restartLoader(
SearchLoaderId.INSTALLED_APPS, null /* args */, this /* callback */);
loaderManager.restartLoader(
SearchLoaderId.ACCESSIBILITY_SERVICES, null /* args */, this /* callback */);
loaderManager.restartLoader(
SearchLoaderId.INPUT_DEVICES, null /* args */, this /* callback */);
SearchLoaderId.SEARCH_RESULT, null /* args */, this /* callback */);
}
public String getQuery() {
@@ -453,9 +416,7 @@ public class SearchFragment extends InstrumentedFragment implements SearchView.O
taggedData.add(Pair.create(
MetricsEvent.FIELD_SETTINGS_SEARCH_RESULT_RANK,
resultViewHolder.getAdapterPosition()));
taggedData.add(Pair.create(
MetricsEvent.FIELD_SETTINGS_SEARCH_RESULT_ASYNC_RANKING_STATE,
mSearchAdapter.getAsyncRankingState()));
// TODO (b/67744820) Move metrics to SettingsIntelligence (including ranking state).
taggedData.add(Pair.create(
MetricsEvent.FIELD_SETTINGS_SEARCH_QUERY_LENGTH,
TextUtils.isEmpty(mQuery) ? 0 : mQuery.length()));

177
src/com/android/settings/search/SearchResultAggregator.java Normal file
View File

@@ -0,0 +1,177 @@
package com.android.settings.search;
import android.annotation.NonNull;
import android.content.Context;
import android.util.Log;
import android.util.SparseArray;
import com.android.settings.overlay.FeatureFactory;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
/**
* Collects the sorted list of all setting search results.
*
* TODO (b/64939692) Convert the timing logs to metrics
*/
public class SearchResultAggregator {
private static final String TAG = "SearchResultAggregator";
/**
* Timeout for first task. Allows for longer delay.
*/
private static final long LONG_CHECK_TASK_TIMEOUT_MS = 500;
/**
* Timeout for subsequent tasks to allow for fast returning tasks.
*/
private static final long SHORT_CHECK_TASK_TIMEOUT_MS = 150;
private static SearchResultAggregator sResultAggregator;
// TODO (b/33577327) Merge the other loaders into a single dynamic loader
static final class ResultLoaderId {
static final int STATIC_RESULTS = 1;
static final int INSTALLED_RESULTS = 2;
static final int INPUT_RESULTS = 3;
static final int ACCESSIBILITY_RESULTS = 4;
}
private SearchResultAggregator() {
}
public static SearchResultAggregator getInstance() {
if (sResultAggregator == null) {
sResultAggregator = new SearchResultAggregator();
}
return sResultAggregator;
}
@NonNull
public synchronized List<? extends SearchResult> fetchResults(Context context, String query) {
SearchFeatureProvider mFeatureProvider = FeatureFactory.getFactory(
context).getSearchFeatureProvider();
ExecutorService executorService = mFeatureProvider.getExecutorService();
final DatabaseResultLoader staticResultsTask =
mFeatureProvider.getStaticSearchResultTask(context, query);
final InstalledAppResultLoader installedAppTask =
mFeatureProvider.getInstalledAppSearchTask(context, query);
final InputDeviceResultLoader inputDevicesTask =
mFeatureProvider.getInputDeviceResultTask(context, query);
final AccessibilityServiceResultLoader accessibilityServicesTask =
mFeatureProvider.getAccessibilityServiceResultTask(context,
query);
executorService.execute(staticResultsTask);
executorService.execute(installedAppTask);
executorService.execute(inputDevicesTask);
executorService.execute(accessibilityServicesTask);
SparseArray<List<? extends SearchResult>> resultsArray = new SparseArray<>();
List<? extends SearchResult> EMPTY_LIST = new ArrayList<>();
long allTasksStart = System.currentTimeMillis();
try {
resultsArray.put(ResultLoaderId.INPUT_RESULTS,
inputDevicesTask.get(SHORT_CHECK_TASK_TIMEOUT_MS, TimeUnit.MILLISECONDS));
} catch (TimeoutException | InterruptedException | ExecutionException e) {
Log.d(TAG, "Could not retrieve input devices results in time: " + e);
resultsArray.put(ResultLoaderId.INPUT_RESULTS, EMPTY_LIST);
}
try {
resultsArray.put(ResultLoaderId.ACCESSIBILITY_RESULTS,
accessibilityServicesTask.get(SHORT_CHECK_TASK_TIMEOUT_MS,
TimeUnit.MILLISECONDS));
} catch (TimeoutException | InterruptedException | ExecutionException e) {
Log.d(TAG, "Could not retrieve accessibility results in time: " + e);
resultsArray.put(ResultLoaderId.ACCESSIBILITY_RESULTS, EMPTY_LIST);
}
try {
resultsArray.put(ResultLoaderId.STATIC_RESULTS,
staticResultsTask.get(LONG_CHECK_TASK_TIMEOUT_MS, TimeUnit.MILLISECONDS));
} catch (TimeoutException | InterruptedException | ExecutionException e) {
Log.d(TAG, "Could not retrieve static results: " + e);
resultsArray.put(ResultLoaderId.STATIC_RESULTS, EMPTY_LIST);
}
try {
resultsArray.put(ResultLoaderId.INSTALLED_RESULTS,
installedAppTask.get(SHORT_CHECK_TASK_TIMEOUT_MS, TimeUnit.MILLISECONDS));
} catch (TimeoutException | InterruptedException | ExecutionException e) {
Log.d(TAG, "Could not retrieve installed app results in time: " + e);
resultsArray.put(ResultLoaderId.INSTALLED_RESULTS, EMPTY_LIST);
}
long mergeStartTime = System.currentTimeMillis();
Log.i(TAG, "Total result loader time: " + (mergeStartTime - allTasksStart));
List<? extends SearchResult> mergedResults = mergeSearchResults(resultsArray);
Log.i(TAG, "Total merge time: " + (System.currentTimeMillis() - mergeStartTime));
Log.i(TAG, "Total aggregator time: " + (System.currentTimeMillis() - allTasksStart));
return mergedResults;
}
// TODO (b/68255021) scale the dynamic search results ranks and do a k-way merge
private List<? extends SearchResult> mergeSearchResults(
SparseArray<List<? extends SearchResult>> resultsArray) {
List<? extends SearchResult> staticResults = resultsArray.get(
ResultLoaderId.STATIC_RESULTS);
List<? extends SearchResult> installedAppResults = resultsArray.get(
ResultLoaderId.INSTALLED_RESULTS);
List<? extends SearchResult> accessibilityResults = resultsArray.get(
ResultLoaderId.ACCESSIBILITY_RESULTS);
List<? extends SearchResult> inputDeviceResults = resultsArray.get(
ResultLoaderId.INPUT_RESULTS);
List<SearchResult> searchResults;
int staticSize = staticResults.size();
int appSize = installedAppResults.size();
int a11ySize = accessibilityResults.size();
int inputDeviceSize = inputDeviceResults.size();
int appIndex = 0;
int a11yIndex = 0;
int inputDeviceIndex = 0;
int rank = SearchResult.TOP_RANK;
// TODO: We need a helper method to do k-way merge.
searchResults = new ArrayList<>(staticSize + appSize + a11ySize + inputDeviceSize);
searchResults.addAll(resultsArray.get(ResultLoaderId.STATIC_RESULTS));
while (rank <= SearchResult.BOTTOM_RANK) {
while ((appIndex < appSize) && (installedAppResults.get(appIndex).rank == rank)) {
searchResults.add(installedAppResults.get(appIndex++));
}
while ((a11yIndex < a11ySize) && (accessibilityResults.get(a11yIndex).rank == rank)) {
searchResults.add(accessibilityResults.get(a11yIndex++));
}
while (inputDeviceIndex < inputDeviceSize
&& inputDeviceResults.get(inputDeviceIndex).rank == rank) {
searchResults.add(inputDeviceResults.get(inputDeviceIndex++));
}
rank++;
}
while (appIndex < appSize) {
searchResults.add(installedAppResults.get(appIndex++));
}
while (a11yIndex < a11ySize) {
searchResults.add(accessibilityResults.get(a11yIndex++));
}
while (inputDeviceIndex < inputDeviceSize) {
searchResults.add(inputDeviceResults.get(inputDeviceIndex++));
}
return searchResults;
}
}

7
src/com/android/settings/search/SearchResultDiffCallback.java
View File

@@ -26,10 +26,11 @@ import java.util.List;
*/
public class SearchResultDiffCallback extends DiffUtil.Callback {
private List<SearchResult> mOldList;
private List<SearchResult> mNewList;
private List<? extends SearchResult> mOldList;
private List<? extends SearchResult> mNewList;
public SearchResultDiffCallback(List<SearchResult> oldList, List<SearchResult> newList) {
public SearchResultDiffCallback(List<? extends SearchResult> oldList,
List<? extends SearchResult> newList) {
mOldList = oldList;
mNewList = newList;
}

30
src/com/android/settings/search/SearchResultLoader.java Normal file
View File

@@ -0,0 +1,30 @@
package com.android.settings.search;
import com.android.settings.utils.AsyncLoader;
import android.content.Context;
import java.util.List;
/**
* Loads a sorted list of Search results for a given query.
*/
public class SearchResultLoader extends AsyncLoader<List<? extends SearchResult>> {
private final String mQuery;
public SearchResultLoader(Context context, String query) {
super(context);
mQuery = query;
}
@Override
public List<? extends SearchResult> loadInBackground() {
SearchResultAggregator aggregator = SearchResultAggregator.getInstance();
return aggregator.fetchResults(getContext(), mQuery);
}
@Override
protected void onDiscardResult(List<? extends SearchResult> result) {
}
}

340
src/com/android/settings/search/SearchResultsAdapter.java
View File

@@ -18,87 +18,25 @@
package com.android.settings.search;
import android.content.Context;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.support.annotation.IntDef;
import android.support.annotation.MainThread;
import android.support.annotation.VisibleForTesting;
import android.support.v7.util.DiffUtil;
import android.support.v7.widget.RecyclerView;
import android.util.ArrayMap;
import android.util.Log;
import android.util.Pair;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.android.settings.R;
import com.android.settings.search.ranking.SearchResultsRankerCallback;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
public class SearchResultsAdapter extends RecyclerView.Adapter<SearchViewHolder>
implements SearchResultsRankerCallback {
private static final String TAG = "SearchResultsAdapter";
@VisibleForTesting
static final String DB_RESULTS_LOADER_KEY = DatabaseResultLoader.class.getName();
@VisibleForTesting
static final String APP_RESULTS_LOADER_KEY = InstalledAppResultLoader.class.getName();
@VisibleForTesting
static final String ACCESSIBILITY_LOADER_KEY = AccessibilityServiceResultLoader.class.getName();
@VisibleForTesting
static final String INPUT_DEVICE_LOADER_KEY = InputDeviceResultLoader.class.getName();
@VisibleForTesting
static final int MSG_RANKING_TIMED_OUT = 1;
public class SearchResultsAdapter extends RecyclerView.Adapter<SearchViewHolder> {
private final SearchFragment mFragment;
private final Context mContext;
private final List<SearchResult> mSearchResults;
private final List<SearchResult> mStaticallyRankedSearchResults;
private Map<String, Set<? extends SearchResult>> mResultsMap;
private final SearchFeatureProvider mSearchFeatureProvider;
private List<Pair<String, Float>> mSearchRankingScores;
private Handler mHandler;
private boolean mSearchResultsLoaded;
private boolean mSearchResultsUpdated;
@IntDef({DISABLED, PENDING_RESULTS, SUCCEEDED, FAILED, TIMED_OUT})
@Retention(RetentionPolicy.SOURCE)
private @interface AsyncRankingState {}
@VisibleForTesting
static final int DISABLED = 0;
@VisibleForTesting
static final int PENDING_RESULTS = 1;
@VisibleForTesting
static final int SUCCEEDED = 2;
@VisibleForTesting
static final int FAILED = 3;
@VisibleForTesting
static final int TIMED_OUT = 4;
private @AsyncRankingState int mAsyncRankingState;
public SearchResultsAdapter(SearchFragment fragment,
SearchFeatureProvider searchFeatureProvider) {
public SearchResultsAdapter(SearchFragment fragment) {
mFragment = fragment;
mContext = fragment.getContext().getApplicationContext();
mSearchResults = new ArrayList<>();
mResultsMap = new ArrayMap<>();
mSearchRankingScores = new ArrayList<>();
mStaticallyRankedSearchResults = new ArrayList<>();
mSearchFeatureProvider = searchFeatureProvider;
setHasStableIds(true);
}
@@ -149,298 +87,30 @@ public class SearchResultsAdapter extends RecyclerView.Adapter<SearchViewHolder>
return mSearchResults.size();
}
@MainThread
@Override
public void onRankingScoresAvailable(List<Pair<String, Float>> searchRankingScores) {
// Received the scores, stop the timeout timer.
getHandler().removeMessages(MSG_RANKING_TIMED_OUT);
if (mAsyncRankingState == PENDING_RESULTS) {
mAsyncRankingState = SUCCEEDED;
mSearchRankingScores.clear();
mSearchRankingScores.addAll(searchRankingScores);
if (canUpdateSearchResults()) {
updateSearchResults();
}
} else {
Log.w(TAG, "Ranking scores became available in invalid state: " + mAsyncRankingState);
}
}
@MainThread
@Override
public void onRankingFailed() {
if (mAsyncRankingState == PENDING_RESULTS) {
mAsyncRankingState = FAILED;
if (canUpdateSearchResults()) {
updateSearchResults();
}
} else {
Log.w(TAG, "Ranking scores failed in invalid states: " + mAsyncRankingState);
}
}
/**
* Store the results from each of the loaders to be merged when all loaders are finished.
*
* @param results the results from the loader.
* @param loaderClassName class name of the loader.
*/
@MainThread
public void addSearchResults(Set<? extends SearchResult> results, String loaderClassName) {
if (results == null) {
return;
}
mResultsMap.put(loaderClassName, results);
}
/**
* Displays recent searched queries.
*
* @return The number of saved queries to display
*/
public int displaySavedQuery(List<? extends SearchResult> data) {
public void displaySavedQuery(List<? extends SearchResult> data) {
clearResults();
mSearchResults.addAll(data);
notifyDataSetChanged();
return mSearchResults.size();
}
/**
* Notifies the adapter that all the unsorted results are loaded and now the ladapter can
* proceed with ranking the results.
*/
@MainThread
public void notifyResultsLoaded() {
mSearchResultsLoaded = true;
// static ranking is skipped only if asyc ranking is already succeeded.
if (mAsyncRankingState != SUCCEEDED) {
doStaticRanking();
}
if (canUpdateSearchResults()) {
updateSearchResults();
}
}
public void clearResults() {
mSearchResults.clear();
mStaticallyRankedSearchResults.clear();
mResultsMap.clear();
notifyDataSetChanged();
}
@VisibleForTesting
public List<SearchResult> getSearchResults() {
return mSearchResults;
}
@MainThread
public void initializeSearch(String query) {
clearResults();
mSearchResultsLoaded = false;
mSearchResultsUpdated = false;
if (mSearchFeatureProvider.isSmartSearchRankingEnabled(mContext)) {
mAsyncRankingState = PENDING_RESULTS;
mSearchFeatureProvider.cancelPendingSearchQuery(mContext);
final Handler handler = getHandler();
final long timeoutMs = mSearchFeatureProvider.smartSearchRankingTimeoutMs(mContext);
handler.sendMessageDelayed(
handler.obtainMessage(MSG_RANKING_TIMED_OUT), timeoutMs);
mSearchFeatureProvider.querySearchResults(mContext, query, this);
} else {
mAsyncRankingState = DISABLED;
}
}
@AsyncRankingState int getAsyncRankingState() {
return mAsyncRankingState;
}
/**
* Merge the results from each of the loaders into one list for the adapter.
* Prioritizes results from the local database over installed apps.
*/
private void doStaticRanking() {
List<? extends SearchResult> databaseResults =
getSortedLoadedResults(DB_RESULTS_LOADER_KEY);
List<? extends SearchResult> installedAppResults =
getSortedLoadedResults(APP_RESULTS_LOADER_KEY);
List<? extends SearchResult> accessibilityResults =
getSortedLoadedResults(ACCESSIBILITY_LOADER_KEY);
List<? extends SearchResult> inputDeviceResults =
getSortedLoadedResults(INPUT_DEVICE_LOADER_KEY);
int dbSize = databaseResults.size();
int appSize = installedAppResults.size();
int a11ySize = accessibilityResults.size();
int inputDeviceSize = inputDeviceResults.size();
int dbIndex = 0;
int appIndex = 0;
int a11yIndex = 0;
int inputDeviceIndex = 0;
int rank = SearchResult.TOP_RANK;
// TODO: We need a helper method to do k-way merge.
mStaticallyRankedSearchResults.clear();
while (rank <= SearchResult.BOTTOM_RANK) {
while ((dbIndex < dbSize) && (databaseResults.get(dbIndex).rank == rank)) {
mStaticallyRankedSearchResults.add(databaseResults.get(dbIndex++));
}
while ((appIndex < appSize) && (installedAppResults.get(appIndex).rank == rank)) {
mStaticallyRankedSearchResults.add(installedAppResults.get(appIndex++));
}
while ((a11yIndex < a11ySize) && (accessibilityResults.get(a11yIndex).rank == rank)) {
mStaticallyRankedSearchResults.add(accessibilityResults.get(a11yIndex++));
}
while (inputDeviceIndex < inputDeviceSize
&& inputDeviceResults.get(inputDeviceIndex).rank == rank) {
mStaticallyRankedSearchResults.add(inputDeviceResults.get(inputDeviceIndex++));
}
rank++;
}
while (dbIndex < dbSize) {
mStaticallyRankedSearchResults.add(databaseResults.get(dbIndex++));
}
while (appIndex < appSize) {
mStaticallyRankedSearchResults.add(installedAppResults.get(appIndex++));
}
while(a11yIndex < a11ySize) {
mStaticallyRankedSearchResults.add(accessibilityResults.get(a11yIndex++));
}
while (inputDeviceIndex < inputDeviceSize) {
mStaticallyRankedSearchResults.add(inputDeviceResults.get(inputDeviceIndex++));
}
}
private void updateSearchResults() {
switch (mAsyncRankingState) {
case PENDING_RESULTS:
break;
case DISABLED:
case FAILED:
case TIMED_OUT:
// When DISABLED or FAILED or TIMED_OUT, we use static ranking results.
postSearchResults(mStaticallyRankedSearchResults, false);
break;
case SUCCEEDED:
postSearchResults(doAsyncRanking(), true);
break;
}
}
private boolean canUpdateSearchResults() {
// Results are not updated yet and db results are loaded and we are not waiting on async
// ranking scores.
return !mSearchResultsUpdated
&& mSearchResultsLoaded
&& mAsyncRankingState != PENDING_RESULTS;
}
@VisibleForTesting
List<SearchResult> doAsyncRanking() {
Set<? extends SearchResult> databaseResults =
getUnsortedLoadedResults(DB_RESULTS_LOADER_KEY);
List<? extends SearchResult> installedAppResults =
getSortedLoadedResults(APP_RESULTS_LOADER_KEY);
List<? extends SearchResult> accessibilityResults =
getSortedLoadedResults(ACCESSIBILITY_LOADER_KEY);
List<? extends SearchResult> inputDeviceResults =
getSortedLoadedResults(INPUT_DEVICE_LOADER_KEY);
int dbSize = databaseResults.size();
int appSize = installedAppResults.size();
int a11ySize = accessibilityResults.size();
int inputDeviceSize = inputDeviceResults.size();
final List<SearchResult> asyncRankingResults = new ArrayList<>(
dbSize + appSize + a11ySize + inputDeviceSize);
TreeSet<SearchResult> dbResultsSortedByScores = new TreeSet<>(
new Comparator<SearchResult>() {
@Override
public int compare(SearchResult o1, SearchResult o2) {
float score1 = getRankingScoreByStableId(o1.stableId);
float score2 = getRankingScoreByStableId(o2.stableId);
if (score1 > score2) {
return -1;
} else if (score1 == score2) {
return 0;
} else {
return 1;
}
}
});
dbResultsSortedByScores.addAll(databaseResults);
asyncRankingResults.addAll(dbResultsSortedByScores);
// Other results are not ranked by async ranking and appended at the end of the list.
asyncRankingResults.addAll(installedAppResults);
asyncRankingResults.addAll(accessibilityResults);
asyncRankingResults.addAll(inputDeviceResults);
return asyncRankingResults;
}
@VisibleForTesting
Set<? extends SearchResult> getUnsortedLoadedResults(String loaderKey) {
return mResultsMap.containsKey(loaderKey) ? mResultsMap.get(loaderKey) : new HashSet<>();
}
@VisibleForTesting
List<? extends SearchResult> getSortedLoadedResults(String loaderKey) {
List<? extends SearchResult> sortedLoadedResults =
new ArrayList<>(getUnsortedLoadedResults(loaderKey));
Collections.sort(sortedLoadedResults);
return sortedLoadedResults;
}
/**
* Looks up ranking score for stableId
* @param stableId String of stableId
* @return the ranking score corresponding to the given stableId. If there is no score
* available for this stableId, -Float.MAX_VALUE is returned.
*/
@VisibleForTesting
Float getRankingScoreByStableId(int stableId) {
for (Pair<String, Float> rankingScore : mSearchRankingScores) {
if (Integer.toString(stableId).compareTo(rankingScore.first) == 0) {
return rankingScore.second;
}
}
// If stableId not found in the list, we assign the minimum score so it will appear at
// the end of the list.
Log.w(TAG, "stableId " + stableId + " was not in the ranking scores.");
return -Float.MAX_VALUE;
}
@VisibleForTesting
Handler getHandler() {
if (mHandler == null) {
mHandler = new Handler(Looper.getMainLooper()) {
@Override
public void handleMessage(Message msg) {
if (msg.what == MSG_RANKING_TIMED_OUT) {
mSearchFeatureProvider.cancelPendingSearchQuery(mContext);
if (mAsyncRankingState == PENDING_RESULTS) {
mAsyncRankingState = TIMED_OUT;
if (canUpdateSearchResults()) {
updateSearchResults();
}
} else {
Log.w(TAG, "Ranking scores timed out in invalid state: " +
mAsyncRankingState);
}
}
}
};
}
return mHandler;
}
@VisibleForTesting
public void postSearchResults(List<SearchResult> newSearchResults, boolean detectMoves) {
public void postSearchResults(List<? extends SearchResult> newSearchResults) {
final DiffUtil.DiffResult diffResult = DiffUtil.calculateDiff(
new SearchResultDiffCallback(mSearchResults, newSearchResults), detectMoves);
new SearchResultDiffCallback(mSearchResults, newSearchResults));
mSearchResults.clear();
mSearchResults.addAll(newSearchResults);
diffResult.dispatchUpdatesTo(this);
mFragment.onSearchResultsDisplayed(mSearchResults.size());
mSearchResultsUpdated = true;
}
}