com.google.gwt.dom.client.SourceElement Maven / Gradle / Ivy
/*
* Copyright 2011 Google Inc.
*
* 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.google.gwt.dom.client;
import com.google.gwt.core.client.JavaScriptObject;
/**
* The SOURCE element specifies one of potentially multiple source file in a
* media element.
*
* @see W3C
* HTML Specification
*/
@TagName(SourceElement.TAG)
public class SourceElement extends Element {
public static final String TAG = "source";
/**
* Assert that the given {@link Element} is compatible with this class and
* automatically typecast it.
*/
public static SourceElement as(Element elem) {
assert is(elem);
return (SourceElement) elem;
}
/**
* Determines whether the given {@link JavaScriptObject} can be cast to
* this class. A null
object will cause this method to
* return false
.
*/
public static boolean is(JavaScriptObject o) {
if (Element.is(o)) {
return is((Element) o);
}
return false;
}
/**
* Determine whether the given {@link Node} can be cast to this class.
* A null
node will cause this method to return
* false
.
*/
public static boolean is(Node node) {
if (Element.is(node)) {
return is((Element) node);
}
return false;
}
/**
* Determine whether the given {@link Element} can be cast to this class.
* A null
node will cause this method to return
* false
.
*/
public static boolean is(Element elem) {
return elem != null && elem.hasTagName(TAG);
}
protected SourceElement() {
}
/**
* Returns the source URL for the media, or {@code null} if none is set.
*
* @return a String URL or {@code null}
*
* @see #setSrc(String)
*/
public final native String getSrc() /*-{
return this.src;
}-*/;
/**
* Returns the type of media represented by the src, or {@code null} if none
* is set.
*
* @return a String type, or {@code null}
*
* @see #setType(String)
*/
public final native String getType() /*-{
return this.type;
}-*/;
/**
* Sets the source URL for the media.
*
* @param url a String URL
*
* @see #getSrc()
*/
public final native void setSrc(String url) /*-{
this.src = url;
}-*/;
/**
* Sets the type of media represented by the src. The browser will look at the
* type when deciding which source files to request from the server.
*
*
* The type is the format or encoding of the media represented by the source
* element. For example, the type of an {@link AudioElement} could be one of
* {@value AudioElement#TYPE_OGG}, {@link AudioElement#TYPE_MP3}, or
* {@link AudioElement#TYPE_WAV}.
*
*
*
* You can also add the codec information to the type, giving the browser even
* more information about whether or not it can play the file (Example: "
* audio/ogg; codec=vorbis
");
*
*
* @param type the media type
*
* @see #getType()
*/
public final native void setType(String type) /*-{
this.type = type;
}-*/;
}