--- /dev/null
+/**
+ * ownCloud Android client application
+ *
+ * @author David A. Velasco
+ * Copyright (C) 2015 ownCloud Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+package com.owncloud.android.providers;
+
+import android.accounts.Account;
+import android.app.SearchManager;
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.content.UriMatcher;
+import android.database.Cursor;
+import android.database.MatrixCursor;
+import android.net.Uri;
+import android.os.Handler;
+import android.os.Looper;
+import android.provider.BaseColumns;
+import android.support.annotation.Nullable;
+import android.widget.Toast;
+
+import com.owncloud.android.R;
+import com.owncloud.android.authentication.AccountUtils;
+import com.owncloud.android.lib.common.operations.RemoteOperationResult;
+import com.owncloud.android.lib.common.utils.Log_OC;
+import com.owncloud.android.lib.resources.shares.GetRemoteShareesOperation;
+import com.owncloud.android.utils.ErrorMessageAdapter;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+
+/**
+ * Content provider for search suggestions, to search for users and groups existing in an ownCloud server.
+ */
+public class UsersAndGroupsSearchProvider extends ContentProvider {
+
+ private static final String TAG = UsersAndGroupsSearchProvider.class.getSimpleName();
+
+ private static final String[] COLUMNS = {
+ BaseColumns._ID,
+ SearchManager.SUGGEST_COLUMN_TEXT_1,
+ SearchManager.SUGGEST_COLUMN_INTENT_DATA
+ };
+
+ private static final int SEARCH = 1;
+
+ private static final int RESULTS_PER_PAGE = 50;
+ private static final int REQUESTED_PAGE = 1;
+
+ public static final String AUTHORITY = UsersAndGroupsSearchProvider.class.getCanonicalName();
+ public static final String ACTION_SHARE_WITH = AUTHORITY + ".action.SHARE_WITH";
+ public static final String DATA_USER = AUTHORITY + ".data.user";
+ public static final String DATA_GROUP = AUTHORITY + ".data.group";
+
+ private UriMatcher mUriMatcher;
+
+ @Nullable
+ @Override
+ public String getType(Uri uri) {
+ // TODO implement
+ return null;
+ }
+
+ @Override
+ public boolean onCreate() {
+ mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
+ mUriMatcher.addURI(AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", SEARCH);
+ return true;
+ }
+
+ /**
+ * TODO description
+ *
+ * Reference: http://developer.android.com/guide/topics/search/adding-custom-suggestions.html#CustomContentProvider
+ *
+ * @param uri Content {@link Uri}, formattted as
+ * "content://com.owncloud.android.providers.UsersAndGroupsSearchProvider/" +
+ * {@link android.app.SearchManager#SUGGEST_URI_PATH_QUERY} + "/" + 'userQuery'
+ * @param projection Expected to be NULL.
+ * @param selection Expected to be NULL.
+ * @param selectionArgs Expected to be NULL.
+ * @param sortOrder Expected to be NULL.
+ * @return Cursor with users and groups in the ownCloud server that match 'userQuery'.
+ */
+ @Nullable
+ @Override
+ public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
+ Log_OC.d(TAG, "query received in thread " + Thread.currentThread().getName());
+
+ int match = mUriMatcher.match(uri);
+ switch (match) {
+ case SEARCH:
+ return searchForUsersOrGroups(uri);
+
+ default:
+ return null;
+ }
+ }
+
+ private Cursor searchForUsersOrGroups(Uri uri) {
+ MatrixCursor response = null;
+
+
+ String userQuery = uri.getLastPathSegment().toLowerCase();
+
+
+ /// need to trust on the AccountUtils to get the current account since the query in the client side is not
+ /// directly started by our code, but from SearchView implementation
+ Account account = AccountUtils.getCurrentOwnCloudAccount(getContext());
+
+ /// request to the OC server about users and groups matching userQuery
+ GetRemoteShareesOperation searchRequest = new GetRemoteShareesOperation(
+ userQuery, REQUESTED_PAGE, RESULTS_PER_PAGE
+ );
+ RemoteOperationResult result = searchRequest.execute(account, getContext());
+ List<JSONObject> names = new ArrayList<JSONObject>();
+ if (result.isSuccess()) {
+ for (Object o : result.getData()) {
+ // Get JSonObjects from response
+ names.add((JSONObject) o);
+ }
+ } else {
+ showErrorMessage(result);
+ }
+
+ /// convert the responses from the OC server to the expected format
+ if (names.size() > 0) {
+ response = new MatrixCursor(COLUMNS);
+ Iterator<JSONObject> namesIt = names.iterator();
+ int count = 0;
+ JSONObject item;
+ String displayName;
+ Uri dataUri;
+ Uri userBaseUri = new Uri.Builder().scheme("content").authority(DATA_USER).build();
+ Uri groupBaseUri = new Uri.Builder().scheme("content").authority(DATA_GROUP).build();
+ try {
+ while (namesIt.hasNext()) {
+ item = namesIt.next();
+ String userName = item.getString(GetRemoteShareesOperation.PROPERTY_LABEL);
+ JSONObject value = item.getJSONObject(GetRemoteShareesOperation.NODE_VALUE);
+ byte type = (byte) value.getInt(GetRemoteShareesOperation.PROPERTY_SHARE_TYPE);
+ String shareWith = value.getString(GetRemoteShareesOperation.PROPERTY_SHARE_WITH);
+ if (GetRemoteShareesOperation.GROUP_TYPE.equals(type)) {
+ displayName = getContext().getString(R.string.share_group_clarification, userName);
+ dataUri = Uri.withAppendedPath(groupBaseUri, shareWith);
+ } else {
+ displayName = userName;
+ dataUri = Uri.withAppendedPath(userBaseUri, shareWith);
+ }
+ response.newRow()
+ .add(count++) // BaseColumns._ID
+ .add(displayName) // SearchManager.SUGGEST_COLUMN_TEXT_1
+ .add(dataUri);
+ }
+ } catch (JSONException e) {
+ Log_OC.e(TAG, "Exception while parsing data of users/groups", e);
+ }
+ }
+
+ return response;
+ }
+
+ @Nullable
+ @Override
+ public Uri insert(Uri uri, ContentValues values) {
+ // TODO implementation
+ return null;
+ }
+
+ @Override
+ public int delete(Uri uri, String selection, String[] selectionArgs) {
+ // TODO implementation
+ return 0;
+ }
+
+ @Override
+ public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+ // TODO implementation
+ return 0;
+ }
+
+ /**
+ * Show error message
+ *
+ * @param result Result with the failure information.
+ */
+ public void showErrorMessage(final RemoteOperationResult result) {
+ Handler handler = new Handler(Looper.getMainLooper());
+ handler.post(new Runnable() {
+ @Override
+ public void run() {
+ // The Toast must be shown in the main thread to grant that will be hidden correctly; otherwise
+ // the thread may die before, an exception will occur, and the message will be left on the screen
+ // until the app dies
+ Toast.makeText(
+ getContext().getApplicationContext(),
+ ErrorMessageAdapter.getErrorCauseMessage(
+ result,
+ null,
+ getContext().getResources()
+ ),
+ Toast.LENGTH_SHORT
+ ).show();
+ }
+ });
+ }
+
+}
projects / pub / Android / ownCloud.git / blobdiff