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      1 /*
      2  * Copyright (C) 2006 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.internal.policy;
     18 
     19 import android.content.Context;
     20 import android.util.AttributeSet;
     21 import android.view.LayoutInflater;
     22 import android.view.View;
     23 
     24 /**
     25  * @hide
     26  */
     27 public class PhoneLayoutInflater extends LayoutInflater {
     28     private static final String[] sClassPrefixList = {
     29         "android.widget.",
     30         "android.webkit.",
     31         "android.app."
     32     };
     33 
     34     /**
     35      * Instead of instantiating directly, you should retrieve an instance
     36      * through {@link Context#getSystemService}
     37      *
     38      * @param context The Context in which in which to find resources and other
     39      *                application-specific things.
     40      *
     41      * @see Context#getSystemService
     42      */
     43     public PhoneLayoutInflater(Context context) {
     44         super(context);
     45     }
     46 
     47     protected PhoneLayoutInflater(LayoutInflater original, Context newContext) {
     48         super(original, newContext);
     49     }
     50 
     51     /** Override onCreateView to instantiate names that correspond to the
     52         widgets known to the Widget factory. If we don't find a match,
     53         call through to our super class.
     54     */
     55     @Override protected View onCreateView(String name, AttributeSet attrs) throws ClassNotFoundException {
     56         for (String prefix : sClassPrefixList) {
     57             try {
     58                 View view = createView(name, prefix, attrs);
     59                 if (view != null) {
     60                     return view;
     61                 }
     62             } catch (ClassNotFoundException e) {
     63                 // In this case we want to let the base class take a crack
     64                 // at it.
     65             }
     66         }
     67 
     68         return super.onCreateView(name, attrs);
     69     }
     70 
     71     public LayoutInflater cloneInContext(Context newContext) {
     72         return new PhoneLayoutInflater(this, newContext);
     73     }
     74 }
     75 
     76