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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.server.am;
     18 
     19 import com.android.internal.R;
     20 
     21 import android.app.AlertDialog;
     22 import android.content.Context;
     23 import android.os.Handler;
     24 import android.os.Message;
     25 import android.view.KeyEvent;
     26 import android.view.WindowManager;
     27 import android.widget.Button;
     28 
     29 class BaseErrorDialog extends AlertDialog {
     30     public BaseErrorDialog(Context context) {
     31         super(context, com.android.internal.R.style.Theme_Dialog_AppError);
     32 
     33         getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
     34         getWindow().setFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
     35                 WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
     36         getWindow().setTitle("Error Dialog");
     37         setIcon(R.drawable.ic_dialog_alert);
     38     }
     39 
     40     public void onStart() {
     41         super.onStart();
     42         setEnabled(false);
     43         mHandler.sendMessageDelayed(mHandler.obtainMessage(0), 1000);
     44     }
     45 
     46     public boolean dispatchKeyEvent(KeyEvent event) {
     47         if (mConsuming) {
     48             //Slog.i(TAG, "Consuming: " + event);
     49             return true;
     50         }
     51         //Slog.i(TAG, "Dispatching: " + event);
     52         return super.dispatchKeyEvent(event);
     53     }
     54 
     55     private void setEnabled(boolean enabled) {
     56         Button b = (Button)findViewById(R.id.button1);
     57         if (b != null) {
     58             b.setEnabled(enabled);
     59         }
     60         b = (Button)findViewById(R.id.button2);
     61         if (b != null) {
     62             b.setEnabled(enabled);
     63         }
     64         b = (Button)findViewById(R.id.button3);
     65         if (b != null) {
     66             b.setEnabled(enabled);
     67         }
     68     }
     69 
     70     private Handler mHandler = new Handler() {
     71         public void handleMessage(Message msg) {
     72             if (msg.what == 0) {
     73                 mConsuming = false;
     74                 setEnabled(true);
     75             }
     76         }
     77     };
     78 
     79     private boolean mConsuming = true;
     80 }
     81