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package com.xtremelabs.robolectric.res;
import android.R;
import android.graphics.drawable.AnimationDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LayerDrawable;
import android.graphics.drawable.StateListDrawable;
import com.xtremelabs.robolectric.Robolectric;
import com.xtremelabs.robolectric.shadows.ShadowStateListDrawable;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
/**
* DrawableResourceLoader
*/
public class DrawableResourceLoader extends XmlLoader {
// Put all the states for a StateListDrawable in the into a Map for looking up
// http://developer.android.com/guide/topics/resources/drawable-resource.html#StateList
private static final Map<String, Integer> stateMap = new HashMap<String, Integer>();
static {
stateMap.put("android:state_selected", R.attr.state_selected);
stateMap.put("android:state_pressed", R.attr.state_pressed);
stateMap.put("android:state_focused", R.attr.state_focused);
stateMap.put("android:state_checkable", R.attr.state_checkable);
stateMap.put("android:state_checked", R.attr.state_checked);
stateMap.put("android:state_enabled", R.attr.state_enabled);
stateMap.put("android:state_window_focused", R.attr.state_window_focused);
}
/** document */
protected Map<String, Document> documents = new HashMap<String, Document>();
/** resource directory */
protected File resourceDirectory;
/**
* DrawableResourceLoader constructor.
*
* @param extractor Extractor
* @param resourceDirectory Resource directory
*/
public DrawableResourceLoader(ResourceExtractor extractor, File resourceDirectory) {
super(extractor);
this.resourceDirectory = resourceDirectory;
}
/**
* Check if resource is xml.
*
* @param resourceId Resource id
* @return Boolean
*/
public boolean isXml(int resourceId) {
return documents.containsKey(resourceExtractor.getResourceName(resourceId));
}
public Drawable getXmlDrawable(int resId) {
if (!isXml(resId)) {
return null;
}
Document xmlDoc = documents.get(resourceExtractor.getResourceName(resId));
NodeList nodes = xmlDoc.getElementsByTagName("selector");
if (nodes != null && nodes.getLength() > 0) {
return buildStateListDrawable(xmlDoc);
}
nodes = xmlDoc.getElementsByTagName("layer-list");
if (nodes != null && nodes.getLength() > 0) {
return new LayerDrawable(null);
}
nodes = xmlDoc.getElementsByTagName("animation-list");
if (nodes != null && nodes.getLength() > 0) {
return new AnimationDrawable();
}
return null;
}
/**
* Store document locally keyed by resource name.
*
* @param xmlFile Xml file
* @param document Document
* @param isSystem System resource
* @throws Exception
* @see com.xtremelabs.robolectric.res.XmlLoader#processResourceXml(java.io.File,
* org.w3c.dom.Document, boolean)
*/
@Override
protected void processResourceXml(File xmlFile, Document document, boolean isSystem) throws Exception {
String name = toResourceName(xmlFile);
if (!documents.containsKey(name)) {
if (isSystem) {
name = "android:" + name;
}
documents.put(name, document);
}
}
/**
* Convert file name to resource name.
*
* @param xmlFile Xml File
* @return Resource name
*/
private String toResourceName(File xmlFile) {
try {
return xmlFile.getCanonicalPath().replaceAll("[/\\\\\\\\]", "/")
.replaceAll("^.*?/res/", "").replaceAll("\\..+$", "");
} catch (IOException e) {
throw new RuntimeException(e);
}
}
/**
* Get drawables by resource id.
*
* @param resourceId Resource id
* @return Drawables
*/
protected int[] getDrawableIds(int resourceId) {
String resourceName = resourceExtractor.getResourceName(resourceId);
Document document = documents.get(resourceName);
NodeList items = document.getElementsByTagName("item");
int[] drawableIds = new int[items.getLength()];
for (int i = 0; i < items.getLength(); i++) {
if (resourceName.startsWith("android:")) {
drawableIds[i] = -1;
} else {
Node item = items.item(i);
Node drawableName = item.getAttributes().getNamedItem("android:drawable");
if (drawableName != null) {
drawableIds[i] = resourceExtractor.getResourceId(drawableName.getNodeValue());
}
}
}
return drawableIds;
}
public boolean isAnimationDrawable(int resourceId) {
Document document = documents.get(resourceExtractor.getResourceName(resourceId));
return "animation-list".equals(document.getDocumentElement().getLocalName());
}
private StateListDrawable buildStateListDrawable(Document d) {
StateListDrawable drawable = new StateListDrawable();
ShadowStateListDrawable shDrawable = Robolectric.shadowOf(drawable);
NodeList items = d.getElementsByTagName("item");
for (int i = 0; i < items.getLength(); i++) {
Node node = items.item(i);
Node drawableName = node.getAttributes().getNamedItem("android:drawable");
if (drawableName != null) {
int resId = resourceExtractor.getResourceId(drawableName.getNodeValue());
int stateId = getStateId(node);
shDrawable.addState(stateId, resId);
}
}
return drawable;
}
private int getStateId(Node node) {
NamedNodeMap attrs = node.getAttributes();
for (String state : stateMap.keySet()) {
Node attr = attrs.getNamedItem(state);
if (attr != null) {
return stateMap.get(state);
}
}
// if a state wasn't specified, return the default state
return R.attr.state_active;
}
}
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