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      1 /*
      2  * Copyright (C) 2009 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 android.inputmethodservice;
     18 
     19 import android.content.Context;
     20 import android.util.AttributeSet;
     21 import android.widget.Button;
     22 
     23 /**
     24  * Specialization of {@link Button} that ignores the window not being focused.
     25  */
     26 class ExtractButton extends Button {
     27     public ExtractButton(Context context) {
     28         super(context, null);
     29     }
     30 
     31     public ExtractButton(Context context, AttributeSet attrs) {
     32         super(context, attrs, com.android.internal.R.attr.buttonStyle);
     33     }
     34 
     35     public ExtractButton(Context context, AttributeSet attrs, int defStyle) {
     36         super(context, attrs, defStyle);
     37     }
     38 
     39     /**
     40      * Pretend like the window this view is in always has focus, so it will
     41      * highlight when selected.
     42      */
     43     @Override public boolean hasWindowFocus() {
     44         return isEnabled() && getVisibility() == VISIBLE ? true : false;
     45     }
     46 }
     47