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 17package com.android.server.am; 18 19import com.android.internal.R; 20 21import android.app.AlertDialog; 22import android.content.Context; 23import android.os.Handler; 24import android.os.Message; 25import android.view.KeyEvent; 26import android.view.WindowManager; 27import android.widget.Button; 28 29class BaseErrorDialog extends AlertDialog { 30 private static final int ENABLE_BUTTONS = 0; 31 private static final int DISABLE_BUTTONS = 1; 32 33 private boolean mConsuming = true; 34 35 public BaseErrorDialog(Context context) { 36 super(context, com.android.internal.R.style.Theme_Dialog_AppError); 37 38 getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); 39 getWindow().setFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM, 40 WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM); 41 WindowManager.LayoutParams attrs = getWindow().getAttributes(); 42 attrs.setTitle("Error Dialog"); 43 getWindow().setAttributes(attrs); 44 } 45 46 public void onStart() { 47 super.onStart(); 48 mHandler.sendEmptyMessage(DISABLE_BUTTONS); 49 mHandler.sendMessageDelayed(mHandler.obtainMessage(ENABLE_BUTTONS), 1000); 50 } 51 52 public boolean dispatchKeyEvent(KeyEvent event) { 53 if (mConsuming) { 54 //Slog.i(TAG, "Consuming: " + event); 55 return true; 56 } 57 //Slog.i(TAG, "Dispatching: " + event); 58 return super.dispatchKeyEvent(event); 59 } 60 61 private void setEnabled(boolean enabled) { 62 Button b = (Button)findViewById(R.id.button1); 63 if (b != null) { 64 b.setEnabled(enabled); 65 } 66 b = (Button)findViewById(R.id.button2); 67 if (b != null) { 68 b.setEnabled(enabled); 69 } 70 b = (Button)findViewById(R.id.button3); 71 if (b != null) { 72 b.setEnabled(enabled); 73 } 74 } 75 76 private Handler mHandler = new Handler() { 77 public void handleMessage(Message msg) { 78 if (msg.what == ENABLE_BUTTONS) { 79 mConsuming = false; 80 setEnabled(true); 81 } else if (msg.what == DISABLE_BUTTONS) { 82 setEnabled(false); 83 } 84 } 85 }; 86} 87