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- /*
- * Copyright 2000-2016 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.client.ui;
-
- import com.google.gwt.core.client.Scheduler;
- import com.google.gwt.user.client.DOM;
- import com.google.gwt.user.client.Event;
- import com.vaadin.client.BrowserInfo;
-
- /**
- * A image based implementation of {@link Icon}.
- * <p>
- * The image is loaded from the given URL ( {@link #setUri(String)}) and
- * displayed in full.
- * </p>
- *
- * @author Vaadin Ltd
- */
- public class ImageIcon extends Icon {
- public static final String CLASSNAME = "v-icon";
-
- public ImageIcon() {
- setElement(DOM.createImg());
- setStyleName(CLASSNAME);
- }
-
- @Override
- public void setUri(final String imageUrl) {
- /*
- * Start sinking onload events, widgets responsibility to react. We must
- * do this BEFORE we set src as IE fires the event immediately if the
- * image is found in cache (#2592).
- */
- sinkEvents(Event.ONLOAD);
-
- if (BrowserInfo.get().isIE()) {
- // apply src later for IE, to ensure onload is fired
- Scheduler.get().scheduleDeferred(() -> DOM
- .setElementProperty(getElement(), "src", imageUrl));
- }
-
- DOM.setElementProperty(getElement(), "src", imageUrl);
-
- }
-
- @Override
- public void setAlternateText(String alternateText) {
- getElement().setAttribute("alt",
- alternateText == null ? "" : alternateText);
- }
-
- @Override
- public String getUri() {
- return DOM.getElementProperty(getElement(), "src");
- }
-
- }
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