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.content.Context;
20import android.os.AsyncResult;
21import android.os.Bundle;
22import android.os.SystemProperties;
23import android.os.Handler;
24import android.os.Message;
25import android.preference.ListPreference;
26import android.provider.Settings;
27import android.provider.Settings.Secure;
28import android.util.AttributeSet;
29import android.util.Log;
30
31import com.android.internal.telephony.Phone;
32import com.android.internal.telephony.TelephonyProperties;
33
34public class CdmaSystemSelectListPreference extends ListPreference {
35
36    private static final String LOG_TAG = "CdmaRoamingListPreference";
37    private static final boolean DBG = false;
38
39    private Phone mPhone;
40    private MyHandler mHandler = new MyHandler();
41
42    public CdmaSystemSelectListPreference(Context context, AttributeSet attrs) {
43        super(context, attrs);
44
45        mPhone = PhoneGlobals.getPhone();
46        mHandler = new MyHandler();
47        mPhone.queryCdmaRoamingPreference(
48                mHandler.obtainMessage(MyHandler.MESSAGE_GET_ROAMING_PREFERENCE));
49    }
50
51    public CdmaSystemSelectListPreference(Context context) {
52        this(context, null);
53    }
54
55    @Override
56    protected void showDialog(Bundle state) {
57        if (Boolean.parseBoolean(
58                    SystemProperties.get(TelephonyProperties.PROPERTY_INECM_MODE))) {
59            // In ECM mode do not show selection options
60        } else {
61            super.showDialog(state);
62        }
63    }
64
65    @Override
66    protected void onDialogClosed(boolean positiveResult) {
67        super.onDialogClosed(positiveResult);
68
69        if (positiveResult && (getValue() != null)) {
70            int buttonCdmaRoamingMode = Integer.valueOf(getValue()).intValue();
71            int settingsCdmaRoamingMode =
72                    Settings.Global.getInt(mPhone.getContext().getContentResolver(),
73                    Settings.Global.CDMA_ROAMING_MODE, Phone.CDMA_RM_HOME);
74            if (buttonCdmaRoamingMode != settingsCdmaRoamingMode) {
75                int statusCdmaRoamingMode;
76                switch(buttonCdmaRoamingMode) {
77                    case Phone.CDMA_RM_ANY:
78                        statusCdmaRoamingMode = Phone.CDMA_RM_ANY;
79                        break;
80                    case Phone.CDMA_RM_HOME:
81                    default:
82                        statusCdmaRoamingMode = Phone.CDMA_RM_HOME;
83                }
84                //Set the Settings.Secure network mode
85                Settings.Global.putInt(mPhone.getContext().getContentResolver(),
86                        Settings.Global.CDMA_ROAMING_MODE,
87                        buttonCdmaRoamingMode );
88                //Set the roaming preference mode
89                mPhone.setCdmaRoamingPreference(statusCdmaRoamingMode, mHandler
90                        .obtainMessage(MyHandler.MESSAGE_SET_ROAMING_PREFERENCE));
91            }
92        } else {
93            Log.d(LOG_TAG, String.format("onDialogClosed: positiveResult=%b value=%s -- do nothing",
94                    positiveResult, getValue()));
95        }
96    }
97
98    private class MyHandler extends Handler {
99
100        static final int MESSAGE_GET_ROAMING_PREFERENCE = 0;
101        static final int MESSAGE_SET_ROAMING_PREFERENCE = 1;
102
103        @Override
104        public void handleMessage(Message msg) {
105            switch (msg.what) {
106                case MESSAGE_GET_ROAMING_PREFERENCE:
107                    handleQueryCdmaRoamingPreference(msg);
108                    break;
109
110                case MESSAGE_SET_ROAMING_PREFERENCE:
111                    handleSetCdmaRoamingPreference(msg);
112                    break;
113            }
114        }
115
116        private void handleQueryCdmaRoamingPreference(Message msg) {
117            AsyncResult ar = (AsyncResult) msg.obj;
118
119            if (ar.exception == null) {
120                int statusCdmaRoamingMode = ((int[])ar.result)[0];
121                int settingsRoamingMode = Settings.Global.getInt(
122                        mPhone.getContext().getContentResolver(),
123                        Settings.Global.CDMA_ROAMING_MODE, Phone.CDMA_RM_HOME);
124                //check that statusCdmaRoamingMode is from an accepted value
125                if (statusCdmaRoamingMode == Phone.CDMA_RM_HOME ||
126                        statusCdmaRoamingMode == Phone.CDMA_RM_ANY ) {
127                    //check changes in statusCdmaRoamingMode and updates settingsRoamingMode
128                    if (statusCdmaRoamingMode != settingsRoamingMode) {
129                        settingsRoamingMode = statusCdmaRoamingMode;
130                        //changes the Settings.Secure accordingly to statusCdmaRoamingMode
131                        Settings.Global.putInt(
132                                mPhone.getContext().getContentResolver(),
133                                Settings.Global.CDMA_ROAMING_MODE,
134                                settingsRoamingMode );
135                    }
136                    //changes the mButtonPreferredNetworkMode accordingly to modemNetworkMode
137                    setValue(Integer.toString(statusCdmaRoamingMode));
138                }
139                else {
140                    if(DBG) Log.i(LOG_TAG, "reset cdma roaming mode to default" );
141                    resetCdmaRoamingModeToDefault();
142                }
143            }
144        }
145
146        private void handleSetCdmaRoamingPreference(Message msg) {
147            AsyncResult ar = (AsyncResult) msg.obj;
148
149            if ((ar.exception == null) && (getValue() != null)) {
150                int cdmaRoamingMode = Integer.valueOf(getValue()).intValue();
151                Settings.Global.putInt(mPhone.getContext().getContentResolver(),
152                        Settings.Global.CDMA_ROAMING_MODE,
153                        cdmaRoamingMode );
154            } else {
155                mPhone.queryCdmaRoamingPreference(obtainMessage(MESSAGE_GET_ROAMING_PREFERENCE));
156            }
157        }
158
159        private void resetCdmaRoamingModeToDefault() {
160            //set the mButtonCdmaRoam
161            setValue(Integer.toString(Phone.CDMA_RM_ANY));
162            //set the Settings.System
163            Settings.Global.putInt(mPhone.getContext().getContentResolver(),
164                        Settings.Global.CDMA_ROAMING_MODE,
165                        Phone.CDMA_RM_ANY );
166            //Set the Status
167            mPhone.setCdmaRoamingPreference(Phone.CDMA_RM_ANY,
168                    obtainMessage(MyHandler.MESSAGE_SET_ROAMING_PREFERENCE));
169        }
170    }
171
172}
173