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