Add indexing for cached Bluetooth (BT) paired devices

- comply to the SEARCH_INDEX_DATA_PROVIDER
- add to the Index the name of previously paired BT devices
(this will work for now only and only if BT has been on during
the indexing)

Change-Id: I00065db0f4e9657cca3578a2fafa0ec39cfaa432

src/com/android/settings/bluetooth/BluetoothSettings.java

@@ -26,11 +26,13 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.res.Resources;
 import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.PreferenceCategory;
 import android.preference.PreferenceGroup;
 import android.preference.PreferenceScreen;
+import android.provider.SearchIndexableResource;
 import android.util.Log;
 import android.view.Gravity;
 import android.view.Menu;
@@ -42,12 +44,19 @@ import android.widget.TextView;
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
+import com.android.settings.search.Indexable;
+import com.android.settings.search.SearchIndexableRaw;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
 
 /**
  * BluetoothSettings is the Settings screen for Bluetooth configuration and
  * connection management.
  */
-public final class BluetoothSettings extends DeviceListPreferenceFragment {
+public final class BluetoothSettings extends DeviceListPreferenceFragment implements Indexable {
     private static final String TAG = "BluetoothSettings";
 
     private static final int MENU_ID_SCAN = Menu.FIRST;
@@ -410,4 +419,42 @@ public final class BluetoothSettings extends DeviceListPreferenceFragment {
     protected int getHelpResource() {
         return R.string.help_url_bluetooth;
     }
+
+    public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new SearchIndexProvider() {
+
+                @Override
+                public List<SearchIndexableResource> getXmlResourcesToIndex(Context context) {
+                    return null;
+                }
+
+                @Override
+                public List<SearchIndexableRaw> getRawDataToIndex(Context context) {
+
+                    final List<SearchIndexableRaw> result = new ArrayList<SearchIndexableRaw>();
+
+                    final Resources res = context.getResources();
+
+                    // Add fragment title
+                    SearchIndexableRaw data = new SearchIndexableRaw(context);
+                    data.title = res.getString(R.string.bluetooth_settings);
+                    data.screenTitle = res.getString(R.string.bluetooth_settings);
+                    result.add(data);
+
+                    // Add cached paired BT devices
+                    LocalBluetoothManager lbtm = LocalBluetoothManager.getInstance(context);
+                    Set<BluetoothDevice> bondedDevices =
+                            lbtm.getBluetoothAdapter().getBondedDevices();
+
+                    for (BluetoothDevice device : bondedDevices) {
+                        data = new SearchIndexableRaw(context);
+                        data.title = device.getName();
+                        data.screenTitle = res.getString(R.string.bluetooth_settings);
+                        result.add(data);
+                    }
+
+                    return result;
+                }
+            };
+
 }

src/com/android/settings/search/Index.java

@@ -183,9 +183,9 @@ public class Index {
                 SearchIndexablesContract.INDEXABLES_RAW_PATH);
     }
 
-    private void addIndexablesForXmlResourceUri(Context context, String packageName, Uri uri,
+    private void addIndexablesForXmlResourceUri(Context packageContext, String packageName, Uri uri,
             String[] projection) {
-        final ContentResolver resolver = context.getContentResolver();
+        final ContentResolver resolver = packageContext.getContentResolver();
 
         final Cursor cursor = resolver.query(uri, projection,
                 null, null, null);
@@ -209,7 +209,7 @@ public class Index {
                     final String targetPackage = cursor.getString(5);
                     final String targetClass = cursor.getString(6);
 
-                    SearchIndexableResource sir = new SearchIndexableResource(context);
+                    SearchIndexableResource sir = new SearchIndexableResource(packageContext);
                     sir.rank = rank;
                     sir.xmlResId = xmlResId;
                     sir.className = className;
@@ -227,9 +227,9 @@ public class Index {
         }
     }
 
-    private void addIndexablesForRawDataUri(Context context, String packageName, Uri uri,
+    private void addIndexablesForRawDataUri(Context packageContext, String packageName, Uri uri,
                                             String[] projection) {
-        final ContentResolver resolver = context.getContentResolver();
+        final ContentResolver resolver = packageContext.getContentResolver();
 
         final Cursor cursor = resolver.query(uri, projection,
                 null, null, null);
@@ -257,7 +257,7 @@ public class Index {
                     final String targetPackage = cursor.getString(8);
                     final String targetClass = cursor.getString(9);
 
-                    SearchIndexableRaw data = new SearchIndexableRaw(context);
+                    SearchIndexableRaw data = new SearchIndexableRaw(packageContext);
                     data.rank = rank;
                     data.title = title;
                     data.summary = summary;
@@ -472,6 +472,7 @@ public class Index {
                         sir.xmlResId, sir.className, sir.iconResId, sir.rank,
                         sir.intentAction, sir.intentTargetPackage, sir.intentTargetClass);
             } else if (!TextUtils.isEmpty(sir.className)) {
+                sir.context = mContext;
                 indexFromLocalProvider(database, localeStr, sir);
             }
         }

src/com/android/settings/search/SettingsSearchIndexablesProvider.java

@@ -54,7 +54,7 @@ public class SettingsSearchIndexablesProvider extends SearchIndexablesProvider {
             new SearchIndexableResource(1, NO_DATA_RES_ID,
                     WifiSettings.class.getName(),
                     R.drawable.ic_settings_wireless),
-            new SearchIndexableResource(2, R.xml.bluetooth_settings,
+            new SearchIndexableResource(2, NO_DATA_RES_ID,
                     BluetoothSettings.class.getName(),
                     R.drawable.ic_settings_bluetooth2),
             new SearchIndexableResource(3, R.xml.data_usage_metered_prefs,