auto import from //depot/cupcake/@135843
diff --git a/services/java/com/android/server/AttributeCache.java b/services/java/com/android/server/AttributeCache.java
new file mode 100644
index 0000000..459ae52
--- /dev/null
+++ b/services/java/com/android/server/AttributeCache.java
@@ -0,0 +1,129 @@
+/*
+**
+** Copyright 2007, 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.server;
+
+import android.content.ComponentName;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.Intent;
+import android.content.BroadcastReceiver;
+import android.content.pm.PackageManager;
+import android.content.res.Resources;
+import android.content.res.TypedArray;
+import android.provider.Settings;
+import android.util.Config;
+import android.util.Log;
+
+import java.util.WeakHashMap;
+
+public final class AttributeCache extends BroadcastReceiver {
+ private static AttributeCache sInstance = null;
+
+ private final Context mContext;
+ private final WeakHashMap<Key, Entry> mMap =
+ new WeakHashMap<Key, Entry>();
+ private final WeakHashMap<String, Context> mContexts =
+ new WeakHashMap<String, Context>();
+
+ final static class Key {
+ public final String packageName;
+ public final int resId;
+ public final int[] styleable;
+
+ public Key(String inPackageName, int inResId, int[] inStyleable) {
+ packageName = inPackageName;
+ resId = inResId;
+ styleable = inStyleable;
+ }
+
+ @Override public boolean equals(Object obj) {
+ try {
+ if (obj != null) {
+ Key other = (Key)obj;
+ return packageName.equals(other.packageName)
+ && resId == other.resId
+ && styleable == other.styleable;
+ }
+ } catch (ClassCastException e) {
+ }
+ return false;
+ }
+
+ @Override public int hashCode() {
+ return packageName.hashCode() + resId;
+ }
+ }
+
+ public final static class Entry {
+ public final Context context;
+ public final TypedArray array;
+
+ public Entry(Context c, TypedArray ta) {
+ context = c;
+ array = ta;
+ }
+ }
+
+ public static void init(Context context) {
+ if (sInstance == null) {
+ sInstance = new AttributeCache(context);
+ }
+ }
+
+ public static AttributeCache instance() {
+ return sInstance;
+ }
+
+ public AttributeCache(Context context) {
+ mContext = context;
+ }
+
+ public Entry get(String packageName, int resId, int[] styleable) {
+ synchronized (this) {
+ Key key = new Key(packageName, resId, styleable);
+ Entry ent = mMap.get(key);
+ if (ent != null) {
+ return ent;
+ }
+ Context context = mContexts.get(packageName);
+ if (context == null) {
+ try {
+ context = mContext.createPackageContext(packageName, 0);
+ if (context == null) {
+ return null;
+ }
+ mContexts.put(packageName, context);
+ } catch (PackageManager.NameNotFoundException e) {
+ return null;
+ }
+ }
+ try {
+ ent = new Entry(context,
+ context.obtainStyledAttributes(resId, styleable));
+ mMap.put(key, ent);
+ } catch (Resources.NotFoundException e) {
+ return null;
+ }
+ return ent;
+ }
+ }
+ @Override public void onReceive(Context context, Intent intent) {
+ }
+}
+