/* * Copyright 2000-2013 Vaadin Ltd. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.vaadin.ui; import com.vaadin.data.Property; import com.vaadin.shared.communication.PushMode; import com.vaadin.shared.ui.progressindicator.ProgressIndicatorServerRpc; import com.vaadin.shared.ui.progressindicator.ProgressIndicatorState; /** * A {@link ProgressBar} which polls the server for updates. *

* Polling in this way is generally not recommended since there is no * centralized management of when messages are sent to the server. Furthermore, * polling might not be needed at all if {@link UI#setPushMode(PushMode)} or * {@link UI#setPollInterval(int)} is used. * * @author Vaadin Ltd. * @since 4 * @deprecated as of 7.1, use {@link ProgressBar} combined with * {@link UI#setPushMode(PushMode)} or * {@link UI#setPollInterval(int)} instead. */ @Deprecated @SuppressWarnings("serial") public class ProgressIndicator extends ProgressBar { private ProgressIndicatorServerRpc rpc = new ProgressIndicatorServerRpc() { @Override public void poll() { // Nothing to do. } }; /** * Creates an a new ProgressIndicator. */ public ProgressIndicator() { this(0.0f); } /** * Creates a new instance of ProgressIndicator with given state. * * @param value */ public ProgressIndicator(float value) { super(value); registerRpc(rpc); } /** * Creates a new instance of ProgressIndicator with state read from the * given datasource. * * @param contentSource */ public ProgressIndicator(Property contentSource) { super(contentSource); registerRpc(rpc); } @Override protected ProgressIndicatorState getState() { return (ProgressIndicatorState) super.getState(); } @Override protected ProgressIndicatorState getState(boolean markAsDirty) { return (ProgressIndicatorState) super.getState(markAsDirty); } /** * Sets the interval that component checks for progress. * * @param pollingInterval * the interval in milliseconds. */ public void setPollingInterval(int pollingInterval) { getState().pollingInterval = pollingInterval; } /** * Gets the interval that component checks for progress. * * @return the interval in milliseconds. */ public int getPollingInterval() { return getState(false).pollingInterval; } }