| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * 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 android.view; |
| |
| import com.android.layoutlib.bridge.android.BridgeInflater; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import android.util.AttributeSet; |
| |
| import java.io.IOException; |
| |
| /** |
| * Delegate used to provide new implementation of a select few methods of {@link LayoutInflater} |
| * |
| * Through the layoutlib_create tool, the original methods of LayoutInflater have been replaced |
| * by calls to methods of the same name in this delegate class. |
| * |
| */ |
| public class LayoutInflater_Delegate { |
| |
| /** |
| * Recursive method used to descend down the xml hierarchy and instantiate |
| * views, instantiate their children, and then call onFinishInflate(). |
| */ |
| /*package*/ static void rInflate(LayoutInflater thisInflater, |
| XmlPullParser parser, View parent, final AttributeSet attrs, |
| boolean finishInflate) throws XmlPullParserException, IOException { |
| |
| if (finishInflate == false) { |
| // this is a merge rInflate! |
| if (thisInflater instanceof BridgeInflater) { |
| ((BridgeInflater) thisInflater).setIsInMerge(true); |
| } |
| } |
| |
| // ---- START DEFAULT IMPLEMENTATION. |
| |
| final int depth = parser.getDepth(); |
| int type; |
| |
| while (((type = parser.next()) != XmlPullParser.END_TAG || |
| parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { |
| |
| if (type != XmlPullParser.START_TAG) { |
| continue; |
| } |
| |
| final String name = parser.getName(); |
| |
| if (LayoutInflater.TAG_REQUEST_FOCUS.equals(name)) { |
| thisInflater.parseRequestFocus(parser, parent); |
| } else if (LayoutInflater.TAG_INCLUDE.equals(name)) { |
| if (parser.getDepth() == 0) { |
| throw new InflateException("<include /> cannot be the root element"); |
| } |
| thisInflater.parseInclude(parser, parent, attrs); |
| } else if (LayoutInflater.TAG_MERGE.equals(name)) { |
| throw new InflateException("<merge /> must be the root element"); |
| } else { |
| final View view = thisInflater.createViewFromTag(parent, name, attrs); |
| final ViewGroup viewGroup = (ViewGroup) parent; |
| final ViewGroup.LayoutParams params = viewGroup.generateLayoutParams(attrs); |
| thisInflater.rInflate(parser, view, attrs, true); |
| viewGroup.addView(view, params); |
| } |
| } |
| |
| if (finishInflate) parent.onFinishInflate(); |
| |
| // ---- END DEFAULT IMPLEMENTATION. |
| |
| if (finishInflate == false) { |
| // this is a merge rInflate! |
| if (thisInflater instanceof BridgeInflater) { |
| ((BridgeInflater) thisInflater).setIsInMerge(false); |
| } |
| } |
| } |
| } |