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      1 /*
      2  * Copyright (C) 2008 Esmertec AG.
      3  * Copyright (C) 2008 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 package com.android.mms.ui;
     19 
     20 import android.app.Activity;
     21 import android.content.Intent;
     22 import android.os.Bundle;
     23 import android.view.KeyEvent;
     24 import android.view.View;
     25 import android.view.View.OnClickListener;
     26 import android.view.View.OnKeyListener;
     27 import android.view.Window;
     28 import android.widget.Button;
     29 import android.widget.EditText;
     30 import android.widget.TextView;
     31 import android.widget.Toast;
     32 
     33 import com.android.mms.R;
     34 
     35 /**
     36  * This activity provides the function to edit the duration of given slide.
     37  */
     38 public class EditSlideDurationActivity  extends Activity {
     39     public static final String SLIDE_INDEX = "slide_index";
     40     public static final String SLIDE_TOTAL = "slide_total";
     41     public static final String SLIDE_DUR   = "dur";
     42 
     43     private TextView mLabel;
     44     private Button mDone;
     45     private EditText mDur;
     46 
     47     private int mCurSlide;
     48     private int mTotal;
     49 
     50     private Bundle mState;
     51     //  State.
     52     private final static String STATE = "state";
     53     private final static String TAG = "EditSlideDurationActivity";
     54     private static final boolean DEBUG = false;
     55     private static final boolean LOCAL_LOGV = false;
     56 
     57     @Override
     58     protected void onCreate(Bundle icicle) {
     59         super.onCreate(icicle);
     60         requestWindowFeature(Window.FEATURE_NO_TITLE);
     61         setContentView(R.layout.edit_slide_duration);
     62 
     63         int dur;
     64         if (icicle == null) {
     65             // Get extra from intent.
     66             Intent intent = getIntent();
     67             mCurSlide = intent.getIntExtra(SLIDE_INDEX, 1);
     68             mTotal = intent.getIntExtra(SLIDE_TOTAL, 1);
     69             dur = intent.getIntExtra(SLIDE_DUR, 8);
     70         } else {
     71             mState = icicle.getBundle(STATE);
     72 
     73             mCurSlide = mState.getInt(SLIDE_INDEX, 1);
     74             mTotal = mState.getInt(SLIDE_TOTAL, 1);
     75             dur = mState.getInt(SLIDE_DUR, 8);
     76         }
     77 
     78         // Label.
     79         mLabel = (TextView) findViewById(R.id.label);
     80         mLabel.setText(getString(R.string.duration_selector_title) + " " + (mCurSlide + 1) + "/" + mTotal);
     81 
     82         // Input text field.
     83         mDur = (EditText) findViewById(R.id.text);
     84         mDur.setText(String.valueOf(dur));
     85         mDur.setOnKeyListener(mOnKeyListener);
     86 
     87         // Done button.
     88         mDone = (Button) findViewById(R.id.done);
     89         mDone.setOnClickListener(mOnDoneClickListener);
     90     }
     91 
     92     /*
     93      * (non-Javadoc)
     94      * @see android.app.Activity#onSaveInstanceState(android.os.Bundle)
     95      */
     96     @Override
     97     protected void onSaveInstanceState(Bundle outState) {
     98         super.onSaveInstanceState(outState);
     99 
    100         mState = new Bundle();
    101         mState.putInt(SLIDE_INDEX, mCurSlide);
    102         mState.putInt(SLIDE_TOTAL, mTotal);
    103 
    104         int durValue;
    105         try {
    106             durValue = Integer.parseInt(mDur.getText().toString());
    107         } catch (NumberFormatException e) {
    108             // On an illegal value, set the duration back to a default value.
    109             durValue = 5;
    110         }
    111         mState.putInt(SLIDE_DUR, durValue);
    112 
    113         outState.putBundle(STATE, mState);
    114     }
    115 
    116     private final OnKeyListener mOnKeyListener = new OnKeyListener() {
    117         public boolean onKey(View v, int keyCode, KeyEvent event) {
    118             if (event.getAction() != KeyEvent.ACTION_DOWN) {
    119                 return false;
    120             }
    121 
    122             switch (keyCode) {
    123                 case KeyEvent.KEYCODE_DPAD_CENTER:
    124                     // Edit complete.
    125                     editDone();
    126                     break;
    127             }
    128             return false;
    129         }
    130     };
    131 
    132     private final OnClickListener mOnDoneClickListener = new OnClickListener() {
    133         public void onClick(View v) {
    134             // Edit complete.
    135             editDone();
    136         }
    137     };
    138 
    139     protected void editDone() {
    140         // Set result to parent, and close window.
    141         // Check the duration.
    142         String dur = mDur.getText().toString();
    143         int durValue = 0;
    144         try {
    145             durValue = Integer.valueOf(dur);
    146         } catch (NumberFormatException e) {
    147             notifyUser(R.string.duration_not_a_number);
    148             return;
    149         }
    150         if (durValue <= 0) {
    151             notifyUser(R.string.duration_zero);
    152             return;
    153         }
    154 
    155         // Set result.
    156         setResult(RESULT_OK, new Intent(mDur.getText().toString()));
    157         finish();
    158     }
    159 
    160     private void notifyUser(int msgId) {
    161         mDur.requestFocus();
    162         mDur.selectAll();
    163         Toast.makeText(this, msgId, Toast.LENGTH_SHORT).show();
    164         return;
    165     }
    166 }
    167