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
17package com.android.phone;
18
19import android.app.AlertDialog;
20import android.content.Context;
21import android.os.SystemProperties;
22import android.util.Log;
23import android.view.WindowManager;
24
25/**
26 * Helper class for displaying the a string triggered by a lower level Phone request
27 */
28public class PhoneDisplayMessage {
29    private static final String LOG_TAG = "PhoneDisplayMessage";
30    private static final boolean DBG = (SystemProperties.getInt("ro.debuggable", 0) == 1);
31
32    /** Display message dialog */
33    private static AlertDialog sDisplayMessageDialog = null;
34
35    /**
36     * Display the alert dialog with the network message.
37     *
38     * @param context context to get strings.
39     * @param infoMsg Text message from Network.
40     */
41    public static void displayNetworkMessage(Context context, String infoMsg) {
42        if (DBG) log("displayInfoRecord: infoMsg=" + infoMsg);
43
44        String title = (String)context.getText(R.string.network_info_message);
45        displayMessage(context, title, infoMsg);
46    }
47
48    /**
49     * Display the alert dialog with the error message.
50     *
51     * @param context context to get strings.
52     * @param errorMsg Error message describing the network triggered error
53     */
54    public static void displayErrorMessage(Context context, String errorMsg) {
55        if (DBG) log("displayErrorMessage: errorMsg=" + errorMsg);
56
57        String title = (String)context.getText(R.string.network_error_message);
58        displayMessage(context, title, errorMsg);
59    }
60
61    public static void displayMessage(Context context, String title, String msg) {
62        if (DBG) log("displayMessage: msg=" + msg);
63
64        if (sDisplayMessageDialog != null) {
65            sDisplayMessageDialog.dismiss();
66        }
67
68        // displaying system alert dialog on the screen instead of
69        // using another activity to display the message.  This
70        // places the message at the forefront of the UI.
71        sDisplayMessageDialog = new AlertDialog.Builder(context)
72                .setIcon(android.R.drawable.ic_dialog_info)
73                .setTitle(title)
74                .setMessage(msg)
75                .setCancelable(true)
76                .create();
77
78        sDisplayMessageDialog.getWindow().setType(
79                WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG);
80        sDisplayMessageDialog.getWindow().addFlags(
81                WindowManager.LayoutParams.FLAG_DIM_BEHIND);
82
83        sDisplayMessageDialog.show();
84        PhoneGlobals.getInstance().wakeUpScreen();
85    }
86
87    /**
88     * Dismiss the DisplayInfo record
89     */
90    public static void dismissMessage() {
91        if (DBG) log("Dissmissing Display Info Record...");
92
93        if (sDisplayMessageDialog != null) {
94            sDisplayMessageDialog.dismiss();
95            sDisplayMessageDialog = null;
96        }
97    }
98
99    private static void log(String msg) {
100        Log.d(LOG_TAG, "[PhoneDisplayMessage] " + msg);
101    }
102}
103