/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
*
* 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.android.ide.eclipse.adt.internal.editors.layout;
import static com.android.ide.common.layout.LayoutConstants.ATTR_LAYOUT_HEIGHT;
import static com.android.ide.common.layout.LayoutConstants.ATTR_LAYOUT_WIDTH;
import static com.android.ide.common.layout.LayoutConstants.VALUE_FILL_PARENT;
import static com.android.ide.common.layout.LayoutConstants.VALUE_MATCH_PARENT;
import com.android.ide.common.rendering.api.ILayoutPullParser;
import com.android.sdklib.SdkConstants;
import org.kxml2.io.KXmlParser;
/**
* Modified {@link KXmlParser} that adds the methods of {@link ILayoutPullParser}.
* <p/>
* It will return a given parser when queried for one through
* {@link IXmlPullParser#getParser(String)} for a given name.
*
*/
public class ContextPullParser extends KXmlParser implements ILayoutPullParser {
private final String mName;
private final ILayoutPullParser mEmbeddedParser;
public ContextPullParser(String name, ILayoutPullParser embeddedParser) {
super();
mName = name;
mEmbeddedParser = embeddedParser;
}
// --- Layout lib API methods
public ILayoutPullParser getParser(String layoutName) {
if (mName.equals(layoutName)) {
return mEmbeddedParser;
}
return null;
}
public Object getViewCookie() {
return null; // never any key to return
}
// --- KXMLParser override
@Override
public String getAttributeValue(String namespace, String localName) {
String value = super.getAttributeValue(namespace, localName);
// on the fly convert match_parent to fill_parent for compatibility with older
// platforms.
if (VALUE_MATCH_PARENT.equals(value) &&
(ATTR_LAYOUT_WIDTH.equals(localName) ||
ATTR_LAYOUT_HEIGHT.equals(localName)) &&
SdkConstants.NS_RESOURCES.equals(namespace)) {
return VALUE_FILL_PARENT;
}
return value;
}
}