Layoutlib: support for editing embedded layouts. (9223b673) · Commits · e / os / android_frameworks_base

tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@ package android.graphics;

		import com.android.layoutlib.api.ILayoutLog;
		import com.android.layoutlib.bridge.impl.DelegateManager;
		import com.android.layoutlib.bridge.impl.Stack;

		import android.graphics.Paint_Delegate.FontInfo;
		import android.text.TextUtils;
		@@ -32,7 +33,6 @@ import java.awt.RenderingHints;
		import java.awt.geom.AffineTransform;
		import java.awt.image.BufferedImage;
		import java.util.List;
		import java.util.Stack;


		/**

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java

+20 −1

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import com.android.layoutlib.api.IResourceValue;
		import com.android.layoutlib.api.IStyleResourceValue;
		import com.android.layoutlib.bridge.Bridge;
		import com.android.layoutlib.bridge.BridgeConstants;
		import com.android.layoutlib.bridge.impl.Stack;
		import com.android.layoutlib.bridge.impl.TempResourceValue;

		import android.app.Activity;
		@@ -65,7 +66,6 @@ import java.io.InputStream;
		import java.util.HashMap;
		import java.util.IdentityHashMap;
		import java.util.Map;
		import java.util.Stack;
		import java.util.TreeMap;
		import java.util.Map.Entry;

		@@ -191,14 +191,33 @@ public final class BridgeContext extends Activity {
		return mDefaultPropMaps.get(key);
		}

		/**
		* Adds a parser to the stack.
		* @param parser the parser to add.
		*/
		public void pushParser(BridgeXmlBlockParser parser) {
		mParserStack.push(parser);
		}

		/**
		* Removes the parser at the top of the stack
		*/
		public void popParser() {
		mParserStack.pop();
		}

		/**
		* Returns the current parser at the top the of the stack.
		* @return a parser or null.
		*/
		public BridgeXmlBlockParser getCurrentParser() {
		return mParserStack.peek();
		}

		/**
		* Returns the previous parser.
		* @return a parser or null if there isn't any previous parser
		*/
		public BridgeXmlBlockParser getPreviousParser() {
		if (mParserStack.size() < 2) {
		return null;

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeResources.java

+27 −14

Original line number	Diff line number	Diff line
		@@ -220,24 +220,37 @@ public final class BridgeResources extends Resources {
		IResourceValue value = getResourceValue(id, mPlatformResourceFlag);

		if (value != null) {
		XmlPullParser parser = null;

		try {
		// check if the current parser can provide us with a custom parser.
		BridgeXmlBlockParser currentParser = mContext.getCurrentParser();
		if (currentParser != null) {
		parser = currentParser.getParser(value.getName());
		}

		// create a new one manually if needed.
		if (parser == null) {
		File xml = new File(value.getValue());
		if (xml.isFile()) {
		// we need to create a pull parser around the layout XML file, and then
		// give that to our XmlBlockParser
		try {
		KXmlParser parser = new KXmlParser();
		parser = new KXmlParser();
		parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
		parser.setInput(new FileReader(xml));
		}
		}

		if (parser != null) {
		return new BridgeXmlBlockParser(parser, mContext, mPlatformResourceFlag[0]);
		}
		} catch (XmlPullParserException e) {
		mContext.getLogger().error(e);

		// we'll return null below.
		} catch (FileNotFoundException e) {
		// this shouldn't happen since we check above.
		}
		}

		}

		// id was not found or not resolved. Throw a NotFoundException.

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeXmlBlockParser.java

+12 −2

Original line number	Diff line number	Diff line
		@@ -56,13 +56,23 @@ public class BridgeXmlBlockParser implements XmlResourceParser {
		mPlatformFile = platformFile;
		mAttrib = new BridgeXmlPullAttributes(parser, context, mPlatformFile);

		if (mContext != null) {
		mContext.pushParser(this);
		}
		}

		public boolean isPlatformFile() {
		return mPlatformFile;
		}

		public IXmlPullParser getParser(String layoutName) {
		if (mParser instanceof IXmlPullParser) {
		return ((IXmlPullParser)mParser).getParser(layoutName);
		}

		return null;
		}

		public Object getViewKey() {
		if (mParser instanceof IXmlPullParser) {
		return ((IXmlPullParser)mParser).getViewKey();
		@@ -238,7 +248,7 @@ public class BridgeXmlBlockParser implements XmlResourceParser {
		}
		int ev = mParser.next();

		if (ev == END_TAG && mParser.getDepth() == 1) {
		if (ev == END_TAG && mParser.getDepth() == 1 && mContext != null) {
		// done with parser remove it from the context stack.
		mContext.popParser();
		}

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/Stack.java

0 → 100644

+70 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2010 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 com.android.layoutlib.bridge.impl;

		import java.util.ArrayList;

		/**
		* Custom Stack implementation on top of an {@link ArrayList} instead of
		* using {@link java.util.Stack} which is on top of a vector.
		*
		* @param <T>
		*/
		public class Stack<T> extends ArrayList<T> {

		private static final long serialVersionUID = 1L;

		public Stack() {
		super();
		}

		public Stack(int size) {
		super(size);
		}

		/**
		* Pushes the given object to the stack
		* @param object the object to push
		*/
		public void push(T object) {
		add(object);
		}

		/**
		* Remove the object at the top of the stack and returns it.
		* @return the removed object or null if the stack was empty.
		*/
		public T pop() {
		if (size() > 0) {
		return remove(size() - 1);
		}

		return null;
		}

		/**
		* Returns the object at the top of the stack.
		* @return the object at the top or null if the stack is empty.
		*/
		public T peek() {
		if (size() > 0) {
		return get(size() - 1);
		}

		return null;
		}
		}