search individual conversations. fixes #3243

src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java

@@ -776,11 +776,20 @@ public class DatabaseBackend extends SQLiteOpenHelper {
         return list;
     }
 
-    public Cursor getMessageSearchCursor(List<String> term) {
+    public Cursor getMessageSearchCursor(final List<String> term, final String uuid) {
-        SQLiteDatabase db = this.getReadableDatabase();
+        final SQLiteDatabase db = this.getReadableDatabase();
-        String SQL = "SELECT " + Message.TABLENAME + ".*," + Conversation.TABLENAME + '.' + Conversation.CONTACTJID + ',' + Conversation.TABLENAME + '.' + Conversation.ACCOUNT + ',' + Conversation.TABLENAME + '.' + Conversation.MODE + " FROM " + Message.TABLENAME + " join " + Conversation.TABLENAME + " on " + Message.TABLENAME + '.' + Message.CONVERSATION + '=' + Conversation.TABLENAME + '.' + Conversation.UUID + " join messages_index ON messages_index.uuid=messages.uuid where " + Message.ENCRYPTION + " NOT IN(" + Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE + ',' + Message.ENCRYPTION_PGP + ',' + Message.ENCRYPTION_DECRYPTION_FAILED + ',' + Message.ENCRYPTION_AXOLOTL_FAILED + ") AND " + Message.TYPE + " IN(" + Message.TYPE_TEXT + ',' + Message.TYPE_PRIVATE + ") AND messages_index.body MATCH ? ORDER BY " + Message.TIME_SENT + " DESC limit " + Config.MAX_SEARCH_RESULTS;
+        final StringBuilder SQL = new StringBuilder();
+        final String[] selectionArgs;
+        SQL.append("SELECT " + Message.TABLENAME + ".*," + Conversation.TABLENAME + '.' + Conversation.CONTACTJID + ',' + Conversation.TABLENAME + '.' + Conversation.ACCOUNT + ',' + Conversation.TABLENAME + '.' + Conversation.MODE + " FROM " + Message.TABLENAME + " join " + Conversation.TABLENAME + " on " + Message.TABLENAME + '.' + Message.CONVERSATION + '=' + Conversation.TABLENAME + '.' + Conversation.UUID + " join messages_index ON messages_index.uuid=messages.uuid where " + Message.ENCRYPTION + " NOT IN(" + Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE + ',' + Message.ENCRYPTION_PGP + ',' + Message.ENCRYPTION_DECRYPTION_FAILED + ',' + Message.ENCRYPTION_AXOLOTL_FAILED + ") AND " + Message.TYPE + " IN(" + Message.TYPE_TEXT + ',' + Message.TYPE_PRIVATE + ") AND messages_index.body MATCH ?");
+        if (uuid == null) {
+            selectionArgs = new String[]{FtsUtils.toMatchString(term)};
+        } else {
+            selectionArgs = new String[]{FtsUtils.toMatchString(term), uuid};
+            SQL.append(" AND "+Conversation.TABLENAME+'.'+Conversation.UUID+"=?");
+        }
+        SQL.append(" ORDER BY " + Message.TIME_SENT + " DESC limit " + Config.MAX_SEARCH_RESULTS);
         Log.d(Config.LOGTAG, "search term: " + FtsUtils.toMatchString(term));
-        return db.rawQuery(SQL, new String[]{FtsUtils.toMatchString(term)});
+        return db.rawQuery(SQL.toString(), selectionArgs);
     }
 
     public List<String> markFileAsDeleted(final File file, final boolean internal) {

src/main/java/eu/siacs/conversations/services/MessageSearchTask.java

@@ -56,18 +56,20 @@ public class MessageSearchTask implements Runnable, Cancellable {
 
 	private final XmppConnectionService xmppConnectionService;
 	private final List<String> term;
+	private final String uuid;
 	private final OnSearchResultsAvailable onSearchResultsAvailable;
 
 	private boolean isCancelled = false;
 
-	private MessageSearchTask(XmppConnectionService xmppConnectionService, List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
+	private MessageSearchTask(XmppConnectionService xmppConnectionService, List<String> term, final String uuid, OnSearchResultsAvailable onSearchResultsAvailable) {
 		this.xmppConnectionService = xmppConnectionService;
 		this.term = term;
+		this.uuid = uuid;
 		this.onSearchResultsAvailable = onSearchResultsAvailable;
 	}
 
-	public static void search(XmppConnectionService xmppConnectionService, List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
+	public static void search(XmppConnectionService xmppConnectionService, List<String> term, final String uuid, OnSearchResultsAvailable onSearchResultsAvailable) {
-		new MessageSearchTask(xmppConnectionService, term, onSearchResultsAvailable).executeInBackground();
+		new MessageSearchTask(xmppConnectionService, term, uuid, onSearchResultsAvailable).executeInBackground();
 	}
 
 	public static void cancelRunningTasks() {
@@ -86,7 +88,7 @@ public class MessageSearchTask implements Runnable, Cancellable {
 		try {
 			final HashMap<String, Conversational> conversationCache = new HashMap<>();
 			final List<Message> result = new ArrayList<>();
-			cursor = xmppConnectionService.databaseBackend.getMessageSearchCursor(term);
+			cursor = xmppConnectionService.databaseBackend.getMessageSearchCursor(term, uuid);
 			long dbTimer = SystemClock.elapsedRealtime();
 			if (isCancelled) {
 				Log.d(Config.LOGTAG, "canceled search task");

src/main/java/eu/siacs/conversations/services/XmppConnectionService.java

@@ -615,8 +615,8 @@ public class XmppConnectionService extends Service {
         return c != null && c.getMode() == Conversational.MODE_MULTI;
     }
 
-    public void search(List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
+    public void search(final List<String> term, final String uuid, final OnSearchResultsAvailable onSearchResultsAvailable) {
-        MessageSearchTask.search(this, term, onSearchResultsAvailable);
+        MessageSearchTask.search(this, term, uuid, onSearchResultsAvailable);
     }
 
     @Override

src/main/java/eu/siacs/conversations/ui/ConversationFragment.java

@@ -1240,6 +1240,9 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
             case R.id.attach_location:
                 handleAttachmentSelection(item);
                 break;
+            case R.id.action_search:
+                startSearch();
+                break;
             case R.id.action_archive:
                 activity.xmppConnectionService.archiveConversation(conversation);
                 break;
@@ -1289,6 +1292,12 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
         return super.onOptionsItemSelected(item);
     }
 
+    private void startSearch() {
+        final Intent intent = new Intent(getActivity(), SearchActivity.class);
+        intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
+        startActivity(intent);
+    }
+
     private void returnToOngoingCall() {
         final Optional<OngoingRtpSession> ongoingRtpSession = activity.xmppConnectionService.getJingleConnectionManager().getOngoingRtpConnection(conversation.getContact());
         if (ongoingRtpSession.isPresent()) {

src/main/java/eu/siacs/conversations/ui/ConversationsActivity.java

@@ -489,6 +489,18 @@ public class ConversationsActivity extends XmppActivity implements OnConversatio
             case R.id.action_scan_qr_code:
                 UriHandlerActivity.scan(this);
                 return true;
+            case R.id.action_search_all_conversations:
+                startActivity(new Intent(this, SearchActivity.class));
+                return true;
+            case R.id.action_search_this_conversation:
+                final Conversation conversation = ConversationFragment.getConversation(this);
+                if (conversation == null) {
+                    return true;
+                }
+                final Intent intent = new Intent(this, SearchActivity.class);
+                intent.putExtra(SearchActivity.EXTRA_CONVERSATION_UUID, conversation.getUuid());
+                startActivity(intent);
+                return true;
         }
         return super.onOptionsItemSelected(item);
     }

src/main/java/eu/siacs/conversations/ui/SearchActivity.java

@@ -29,6 +29,7 @@
 
 package eu.siacs.conversations.ui;
 
+import android.content.Intent;
 import android.databinding.DataBindingUtil;
 import android.os.Bundle;
 import android.support.v7.widget.Toolbar;
@@ -42,6 +43,8 @@ import android.view.View;
 import android.widget.AdapterView;
 import android.widget.EditText;
 
+import com.google.common.base.Strings;
+
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.List;
@@ -70,17 +73,21 @@ import static eu.siacs.conversations.ui.util.SoftKeyboardUtils.showKeyboard;
 public class SearchActivity extends XmppActivity implements TextWatcher, OnSearchResultsAvailable, MessageAdapter.OnContactPictureClicked {
 
 	private static final String EXTRA_SEARCH_TERM = "search-term";
+	public static final String EXTRA_CONVERSATION_UUID = "uuid";
 
 	private ActivitySearchBinding binding;
 	private MessageAdapter messageListAdapter;
 	private final List<Message> messages = new ArrayList<>();
 	private WeakReference<Message> selectedMessageReference = new WeakReference<>(null);
+	private String uuid;
 	private final ChangeWatcher<List<String>> currentSearch = new ChangeWatcher<>();
 	private final PendingItem<String> pendingSearchTerm = new PendingItem<>();
 	private final PendingItem<List<String>> pendingSearch = new PendingItem<>();
 
 	@Override
 	public void onCreate(final Bundle bundle) {
+		final Intent intent = getIntent();
+		this.uuid = intent == null ? null : Strings.emptyToNull(intent.getStringExtra(EXTRA_CONVERSATION_UUID));
 		final String searchTerm = bundle == null ? null : bundle.getString(EXTRA_SEARCH_TERM);
 		if (searchTerm != null) {
 			pendingSearchTerm.push(searchTerm);
@@ -103,10 +110,10 @@ public class SearchActivity extends XmppActivity implements TextWatcher, OnSearc
 		final String term = pendingSearchTerm.pop();
 		if (term != null) {
 			searchField.append(term);
-			List<String> searchTerm = FtsUtils.parse(term);
+			final List<String> searchTerm = FtsUtils.parse(term);
 			if (xmppConnectionService != null) {
 				if (currentSearch.watch(searchTerm)) {
-					xmppConnectionService.search(searchTerm, this);
+					xmppConnectionService.search(searchTerm, uuid, this);
 				}
 			} else {
 				pendingSearch.push(searchTerm);
@@ -206,7 +213,7 @@ public class SearchActivity extends XmppActivity implements TextWatcher, OnSearc
 	void onBackendConnected() {
 		final List<String> searchTerm = pendingSearch.pop();
 		if (searchTerm != null && currentSearch.watch(searchTerm)) {
-			xmppConnectionService.search(searchTerm, this);
+			xmppConnectionService.search(searchTerm, uuid,this);
 		}
 	}
 
@@ -239,7 +246,7 @@ public class SearchActivity extends XmppActivity implements TextWatcher, OnSearc
 			return;
 		}
 		if (term.size() > 0) {
-			xmppConnectionService.search(term, this);
+			xmppConnectionService.search(term, uuid,this);
 		} else {
 			MessageSearchTask.cancelRunningTasks();
 			this.messages.clear();

src/main/res/menu/activity_conversations.xml

@@ -2,11 +2,26 @@
     xmlns:app="http://schemas.android.com/apk/res-auto">
     <item
         android:id="@+id/action_scan_qr_code"
-        android:title="@string/scan_qr_code"
+        android:icon="?attr/icon_scan_qr_code"
-        app:showAsAction="always"
         android:orderInCategory="10"
+        android:title="@string/scan_qr_code"
         android:visible="@bool/show_qr_code_scan"
-        android:icon="?attr/icon_scan_qr_code"/>
+        app:showAsAction="always" />
+    <item
+        android:icon="?attr/icon_search"
+        android:orderInCategory="11"
+        android:title="@string/search_messages"
+        android:visible="@bool/show_combined_search_options"
+        app:showAsAction="always">
+        <menu>
+            <item
+                android:id="@+id/action_search_all_conversations"
+                android:title="@string/search_all_conversations" />
+            <item
+                android:id="@+id/action_search_this_conversation"
+                android:title="@string/search_this_conversation" />
+        </menu>
+    </item>
     <item
         android:id="@+id/action_accounts"
         android:orderInCategory="90"

src/main/res/menu/fragment_conversation.xml

@@ -99,6 +99,12 @@
         android:orderInCategory="45"
         android:title="@string/invite_contact"
         app:showAsAction="never" />
+    <item
+        android:id="@+id/action_search"
+        android:orderInCategory="48"
+        android:title="@string/search_messages"
+        android:visible="@bool/show_individual_search_options"
+        app:showAsAction="never" />
     <item
         android:id="@+id/action_clear_history"
         android:orderInCategory="50"

src/main/res/menu/fragment_conversations_overview.xml

@@ -32,6 +32,7 @@
     <item
         android:id="@+id/action_search"
         android:title="@string/search_messages"
+        android:visible="@bool/show_individual_search_options"
         android:orderInCategory="50"
         app:showAsAction="never"/>
 </menu>

src/main/res/values-w945dp/defaults.xml

@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <bool name="show_qr_code_scan">false</bool>
+    <bool name="show_individual_search_options">false</bool>
+    <bool name="show_combined_search_options">true</bool>
 </resources>
 

src/main/res/values/defaults.xml

@@ -35,6 +35,8 @@
     <bool name="never_send">false</bool>
     <bool name="validate_hostname">false</bool>
     <bool name="show_qr_code_scan">true</bool>
+    <bool name="show_individual_search_options">true</bool>
+    <bool name="show_combined_search_options">false</bool>
     <bool name="scroll_to_bottom">true</bool>
     <string name="omemo_setting_default">default_on</string>
     <string name="default_font_size">small</string>

src/main/res/values/strings.xml

@@ -927,6 +927,8 @@
     <string name="remove_from_favorites">Remove from favorites</string>
     <string name="gpx_track">GPX track</string>
     <string name="could_not_correct_message">Could not correct message</string>
+    <string name="search_all_conversations">All conversations</string>
+    <string name="search_this_conversation">This conversation</string>
     <plurals name="view_users">
         <item quantity="one">View %1$d Participant</item>
         <item quantity="other">View %1$d Participants</item>