/*
* Copyright (C) 2008 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;
import com.android.layoutlib.api.ILayoutResult;
import com.android.layoutlib.api.IResourceValue;
import com.android.layoutlib.api.IStyleResourceValue;
import com.android.layoutlib.api.IXmlPullParser;
import com.android.layoutlib.api.ILayoutResult.ILayoutViewInfo;
import org.kxml2.io.KXmlParser;
import org.xmlpull.v1.XmlPullParser;
import java.io.File;
import java.io.FileReader;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import junit.framework.TestCase;
public class BridgeTest extends TestCase {
/** the class being tested */
private Bridge mBridge;
/** the path to the sample layout.xml file */
private String mLayoutXml1Path;
private String mTextOnlyXmlPath;
@Override
protected void setUp() throws Exception {
super.setUp();
mBridge = new Bridge();
// FIXME: need some fonts somewhere.
mBridge.init(null /* fontOsLocation */, getAttributeValues());
URL url = this.getClass().getClassLoader().getResource("data/layout1.xml");
mLayoutXml1Path = url.getFile();
url = this.getClass().getClassLoader().getResource("data/textonly.xml");
mTextOnlyXmlPath = url.getFile();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
}
// ---------------
/**
* Test parser that implements {@link IXmlPullParser}.
*/
private static class TestParser extends KXmlParser implements IXmlPullParser {
public Object getViewKey() {
return null;
}
}
public void testComputeLayout() throws Exception {
TestParser parser = new TestParser();
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
parser.setInput(new FileReader(new File(mLayoutXml1Path)));
Map<String, Map<String, IResourceValue>> projectResources = getProjectResources();
Map<String, Map<String, IResourceValue>> frameworkResources = getFrameworkResources();
int screenWidth = 320;
int screenHeight = 480;
// FIXME need a dummy font for the tests!
ILayoutResult result = mBridge.computeLayout(parser, new Integer(1) /* projectKey */,
screenWidth, screenHeight,
"Theme", projectResources, frameworkResources, null, null);
display(result.getRootView(), "");
}
private Map<String, Map<String, Integer>> getAttributeValues() {
Map<String, Map<String, Integer>> attributeValues =
new HashMap<String, Map<String,Integer>>();
// lets create a map for the orientation attribute
Map<String, Integer> attributeMap = new HashMap<String, Integer>();
attributeMap.put("horizontal", Integer.valueOf(0));
attributeMap.put("vertical", Integer.valueOf(1));
attributeValues.put("orientation", attributeMap);
return attributeValues;
}
private Map<String, Map<String, IResourceValue>> getFrameworkResources() {
Map<String, Map<String, IResourceValue>> frameworkResources =
new HashMap<String, Map<String, IResourceValue>>();
// create the style map
Map<String, IResourceValue> styleMap = new HashMap<String, IResourceValue>();
frameworkResources.put("style", styleMap);
// create a button style.
IStyleResourceValue style = createStyle("Widget.Button",
"background", "@android:drawable/something",
"focusable", "true",
"clickable", "true",
"textAppearance", "?android:attr/textAppearanceSmallInverse",
"textColor", "?android:attr/textColorBrightInverseNoDisable",
"gravity", "center_vertical|center_horizontal"
);
styleMap.put(style.getName(), style);
// create the parent style of button style
style = createStyle("Widget",
"textAppearance", "?textAppearance");
styleMap.put(style.getName(), style);
// link the buttonStyle info in the default theme.
style = createStyle("Theme",
BridgeConstants.RES_STYLE, "buttonStyle", "@android:style/Widget.Button",
BridgeConstants.RES_STYLE, "textAppearance", "@android:style/TextAppearance",
BridgeConstants.RES_STYLE, "textAppearanceSmallInverse", "@android:style/TextAppearance.Small.Inverse",
BridgeConstants.RES_COLOR, "textColorBrightInverseNoDisable", "@android:color/bright_text_light_nodisable"
);
styleMap.put(style.getName(), style);
// create a dummy drawable to go with it
Map<String, IResourceValue> drawableMap = new HashMap<String, IResourceValue>();
frameworkResources.put("drawable", drawableMap);
// get the 9 patch test location
URL url = this.getClass().getClassLoader().getResource("data/button.9.png");
IResourceValue drawable = new ResourceValue(BridgeConstants.RES_DRAWABLE, "something",
url.getPath());
drawableMap.put(drawable.getName(), drawable);
return frameworkResources;
}
private Map<String, Map<String, IResourceValue>> getProjectResources() {
Map<String, Map<String, IResourceValue>> projectResources =
new HashMap<String, Map<String, IResourceValue>>();
// create the style map (even empty there should be one)
Map<String, IResourceValue> styleMap = new HashMap<String, IResourceValue>();
projectResources.put("style", styleMap);
return projectResources;
}
private void display(ILayoutViewInfo result, String offset) {
String msg = String.format("%s%s L:%d T:%d R:%d B:%d",
offset,
result.getName(),
result.getLeft(), result.getTop(), result.getRight(), result.getBottom());
System.out.println(msg);
ILayoutViewInfo[] children = result.getChildren();
if (children != null) {
offset += "+-";
for (ILayoutViewInfo child : children) {
display(child, offset);
}
}
}
/**
* Creates a {@link IStyleResourceValue} based on the given values.
* @param styleName the name of the style.
* @param items An array of Strings. Even indices contain a style item name, and odd indices
* a style item value. If the number of string in the array is not even, an exception is thrown.
*/
private IStyleResourceValue createStyle(String styleName, String... items) {
StyleResourceValue value = new StyleResourceValue(styleName);
if (items.length % 3 == 0) {
for (int i = 0 ; i < items.length;) {
value.addItem(new ResourceValue(items[i++], items[i++], items[i++]));
}
} else {
throw new IllegalArgumentException("Need a multiple of 3 for the number of strings");
}
return value;
}
// ---------------
public void testTextLayout() throws Exception {
TestParser parser = new TestParser();
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
parser.setInput(new FileReader(new File(mTextOnlyXmlPath)));
Map<String, Map<String, IResourceValue>> projectResources = getProjectResources();
Map<String, Map<String, IResourceValue>> frameworkResources = getFrameworkResources();
int screenWidth = 320;
int screenHeight = 480;
// FIXME need a dummy font for the tests!
ILayoutResult result = mBridge.computeLayout(parser, new Integer(1) /* projectKey */,
screenWidth, screenHeight,
"Theme", projectResources, frameworkResources, null, null);
display(result.getRootView(), "");
}
}