StkDialogActivity.java revision c46d8a06f810a3b5b570e43e7e0ed8b36efd23e5 
1/*
2 * Copyright (C) 2007 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.stk;
18
19import com.android.internal.telephony.gsm.stk.TextMessage;
20
21import android.app.Activity;
22import android.content.Intent;
23import android.graphics.drawable.BitmapDrawable;
24import android.os.Bundle;
25import android.os.Handler;
26import android.os.Message;
27import android.view.KeyEvent;
28import android.view.View;
29import android.view.Window;
30import android.widget.Button;
31import android.widget.TextView;
32
33/**
34 * AlretDialog used for DISPLAY TEXT commands.
35 *
36 */
37public class StkDialogActivity extends Activity implements View.OnClickListener {
38    // members
39    TextMessage mTextMsg;
40
41    Handler mTimeoutHandler = new Handler() {
42        public void handleMessage(Message msg) {
43            switch(msg.what) {
44            case MSG_ID_TIMEOUT:
45                sendResponse(StkAppService.RES_ID_TIMEOUT);
46                finish();
47                break;
48            }
49        }
50    };
51
52    // constants
53    static final String TAG = "STK Dialog";
54
55    //keys) for saving the state of the dialog in the icicle
56    private static final String TEXT = "text";
57
58    // message id for time out
59    private static final int MSG_ID_TIMEOUT = 1;
60
61    // buttons id
62    public static final int OK_BUTTON = R.id.button_ok;
63    public static final int CANCEL_BUTTON = R.id.button_cancel;
64
65    @Override
66    protected void onCreate(Bundle icicle) {
67        super.onCreate(icicle);
68
69        initFromIntent(getIntent());
70        if (mTextMsg == null) {
71            finish();
72            return;
73        }
74
75        requestWindowFeature(Window.FEATURE_LEFT_ICON);
76        Window window = getWindow();
77
78        setContentView(R.layout.stk_msg_dialog);
79        TextView mMessageView = (TextView) window
80                .findViewById(R.id.dialog_message);
81
82        Button okButton = (Button) findViewById(R.id.button_ok);
83        Button cancelButton = (Button) findViewById(R.id.button_cancel);
84
85        okButton.setOnClickListener(this);
86        cancelButton.setOnClickListener(this);
87
88        setTitle(mTextMsg.title);
89        if (!(mTextMsg.iconSelfExplanatory && mTextMsg.icon != null)) {
90            mMessageView.setText(mTextMsg.text);
91        }
92
93        if (mTextMsg.icon == null) {
94            window.setFeatureDrawableResource(Window.FEATURE_LEFT_ICON,
95                    com.android.internal.R.drawable.stat_notify_sim_toolkit);
96        } else {
97            window.setFeatureDrawable(Window.FEATURE_LEFT_ICON,
98                    new BitmapDrawable(mTextMsg.icon));
99        }
100    }
101
102    public void onClick(View v) {
103        String input = null;
104
105        switch (v.getId()) {
106        case OK_BUTTON:
107            sendResponse(StkAppService.RES_ID_CONFIRM, true);
108            finish();
109            break;
110        case CANCEL_BUTTON:
111            sendResponse(StkAppService.RES_ID_CONFIRM, false);
112            finish();
113            break;
114        }
115    }
116
117    @Override
118    public boolean onKeyDown(int keyCode, KeyEvent event) {
119        switch (keyCode) {
120        case KeyEvent.KEYCODE_BACK:
121            sendResponse(StkAppService.RES_ID_BACKWARD);
122            finish();
123            break;
124        }
125        return false;
126    }
127
128    @Override
129    public void onResume() {
130        super.onResume();
131
132        startTimeOut();
133    }
134
135    @Override
136    public void onPause() {
137        super.onPause();
138
139        cancelTimeOut();
140    }
141
142    @Override
143    public void onSaveInstanceState(Bundle outState) {
144        super.onSaveInstanceState(outState);
145
146        outState.putParcelable(TEXT, mTextMsg);
147    }
148
149    @Override
150    public void onRestoreInstanceState(Bundle savedInstanceState) {
151        super.onRestoreInstanceState(savedInstanceState);
152
153        mTextMsg = savedInstanceState.getParcelable(TEXT);
154    }
155
156    private void sendResponse(int resId, boolean confirmed) {
157        Bundle args = new Bundle();
158        args.putInt(StkAppService.OPCODE, StkAppService.OP_RESPONSE);
159        args.putInt(StkAppService.RES_ID, resId);
160        args.putBoolean(StkAppService.CONFIRMATION, confirmed);
161        startService(new Intent(this, StkAppService.class).putExtras(args));
162    }
163
164    private void sendResponse(int resId) {
165        sendResponse(resId, true);
166    }
167
168    private void initFromIntent(Intent intent) {
169
170        if (intent != null) {
171            mTextMsg = intent.getParcelableExtra("TEXT");
172        } else {
173            finish();
174        }
175    }
176
177    private void cancelTimeOut() {
178        mTimeoutHandler.removeMessages(MSG_ID_TIMEOUT);
179    }
180
181    private void startTimeOut() {
182        // Reset timeout.
183        cancelTimeOut();
184        int dialogDuration = StkApp.calculateDurationInMilis(mTextMsg.duration);
185        if (dialogDuration == 0) {
186            dialogDuration = StkApp.UI_TIMEOUT;
187        }
188        mTimeoutHandler.sendMessageDelayed(mTimeoutHandler
189                .obtainMessage(MSG_ID_TIMEOUT), dialogDuration);
190    }
191}
192