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 context.assertRuntimeOverlayThemable(); 38 39 getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); 40 getWindow().setFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM, 41 WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM); 42 WindowManager.LayoutParams attrs = getWindow().getAttributes(); 43 attrs.setTitle("Error Dialog"); 44 getWindow().setAttributes(attrs); 45 } 46 47 public void onStart() { 48 super.onStart(); 49 mHandler.sendEmptyMessage(DISABLE_BUTTONS); 50 mHandler.sendMessageDelayed(mHandler.obtainMessage(ENABLE_BUTTONS), 1000); 51 } 52 53 public boolean dispatchKeyEvent(KeyEvent event) { 54 if (mConsuming) { 55 //Slog.i(TAG, "Consuming: " + event); 56 return true; 57 } 58 //Slog.i(TAG, "Dispatching: " + event); 59 return super.dispatchKeyEvent(event); 60 } 61 62 private void setEnabled(boolean enabled) { 63 Button b = (Button)findViewById(R.id.button1); 64 if (b != null) { 65 b.setEnabled(enabled); 66 } 67 b = (Button)findViewById(R.id.button2); 68 if (b != null) { 69 b.setEnabled(enabled); 70 } 71 b = (Button)findViewById(R.id.button3); 72 if (b != null) { 73 b.setEnabled(enabled); 74 } 75 } 76 77 private Handler mHandler = new Handler() { 78 public void handleMessage(Message msg) { 79 if (msg.what == ENABLE_BUTTONS) { 80 mConsuming = false; 81 setEnabled(true); 82 } else if (msg.what == DISABLE_BUTTONS) { 83 setEnabled(false); 84 } 85 } 86 }; 87} 88