/*
* Copyright 2000-2014 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.vaadin.client.Util;
import com.vaadin.client.communication.StateChangeEvent;
import com.vaadin.shared.communication.URLReference;
import com.vaadin.shared.ui.AbstractMediaState;
import com.vaadin.shared.ui.MediaControl;
public abstract class MediaBaseConnector extends AbstractComponentConnector {
@Override
protected void init() {
super.init();
registerRpc(MediaControl.class, new MediaControl() {
@Override
public void play() {
getWidget().play();
}
@Override
public void pause() {
getWidget().pause();
}
});
}
@Override
public AbstractMediaState getState() {
return (AbstractMediaState) super.getState();
}
@Override
public void onStateChanged(StateChangeEvent event) {
super.onStateChanged(event);
final VMediaBase widget = getWidget();
final AbstractMediaState state = getState();
setAltText(state.altText); // must do before loading sources
widget.setAutoplay(state.autoplay);
widget.setMuted(state.muted);
widget.setControls(state.showControls);
if (event.hasPropertyChanged("sources")) {
widget.removeAllSources();
for (int i = 0; i < state.sources.size(); i++) {
URLReference source = state.sources.get(i);
String sourceType = state.sourceTypes.get(i);
widget.addSource(source.getURL(), sourceType);
}
widget.load();
}
}
@Override
public VMediaBase getWidget() {
return (VMediaBase) super.getWidget();
}
private void setAltText(String altText) {
if (altText == null || "".equals(altText)) {
altText = getDefaultAltHtml();
} else if (!getState().htmlContentAllowed) {
altText = Util.escapeHTML(altText);
}
getWidget().setAltText(altText);
}
/**
* @return the default HTML to show users with browsers that do not support
* HTML5 media markup.
*/
protected abstract String getDefaultAltHtml();
}