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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.LogTag;
     34 import com.android.mms.R;
     35 
     36 /**
     37  * This activity provides the function to edit the duration of given slide.
     38  */
     39 public class EditSlideDurationActivity  extends Activity {
     40     public static final String SLIDE_INDEX = "slide_index";
     41     public static final String SLIDE_TOTAL = "slide_total";
     42     public static final String SLIDE_DUR   = "dur";
     43 
     44     private TextView mLabel;
     45     private Button mDone;
     46     private EditText mDur;
     47 
     48     private int mCurSlide;
     49     private int mTotal;
     50 
     51     private Bundle mState;
     52     //  State.
     53     private final static String STATE = "state";
     54     private final static String TAG = LogTag.TAG;
     55     private static final boolean DEBUG = false;
     56     private static final boolean LOCAL_LOGV = false;
     57 
     58     @Override
     59     protected void onCreate(Bundle icicle) {
     60         super.onCreate(icicle);
     61         requestWindowFeature(Window.FEATURE_NO_TITLE);
     62         setContentView(R.layout.edit_slide_duration);
     63 
     64         int dur;
     65         if (icicle == null) {
     66             // Get extra from intent.
     67             Intent intent = getIntent();
     68             mCurSlide = intent.getIntExtra(SLIDE_INDEX, 1);
     69             mTotal = intent.getIntExtra(SLIDE_TOTAL, 1);
     70             dur = intent.getIntExtra(SLIDE_DUR, 8);
     71         } else {
     72             mState = icicle.getBundle(STATE);
     73 
     74             mCurSlide = mState.getInt(SLIDE_INDEX, 1);
     75             mTotal = mState.getInt(SLIDE_TOTAL, 1);
     76             dur = mState.getInt(SLIDE_DUR, 8);
     77         }
     78 
     79         // Label.
     80         mLabel = (TextView) findViewById(R.id.label);
     81         mLabel.setText(getString(R.string.duration_selector_title) + " " + (mCurSlide + 1) + "/" + mTotal);
     82 
     83         // Input text field.
     84         mDur = (EditText) findViewById(R.id.text);
     85         mDur.setText(String.valueOf(dur));
     86         mDur.setOnKeyListener(mOnKeyListener);
     87 
     88         // Done button.
     89         mDone = (Button) findViewById(R.id.done);
     90         mDone.setOnClickListener(mOnDoneClickListener);
     91     }
     92 
     93     /*
     94      * (non-Javadoc)
     95      * @see android.app.Activity#onSaveInstanceState(android.os.Bundle)
     96      */
     97     @Override
     98     protected void onSaveInstanceState(Bundle outState) {
     99         super.onSaveInstanceState(outState);
    100 
    101         mState = new Bundle();
    102         mState.putInt(SLIDE_INDEX, mCurSlide);
    103         mState.putInt(SLIDE_TOTAL, mTotal);
    104 
    105         int durValue;
    106         try {
    107             durValue = Integer.parseInt(mDur.getText().toString());
    108         } catch (NumberFormatException e) {
    109             // On an illegal value, set the duration back to a default value.
    110             durValue = 5;
    111         }
    112         mState.putInt(SLIDE_DUR, durValue);
    113 
    114         outState.putBundle(STATE, mState);
    115     }
    116 
    117     private final OnKeyListener mOnKeyListener = new OnKeyListener() {
    118         public boolean onKey(View v, int keyCode, KeyEvent event) {
    119             if (event.getAction() != KeyEvent.ACTION_DOWN) {
    120                 return false;
    121             }
    122 
    123             switch (keyCode) {
    124                 case KeyEvent.KEYCODE_DPAD_CENTER:
    125                     // Edit complete.
    126                     editDone();
    127                     break;
    128             }
    129             return false;
    130         }
    131     };
    132 
    133     private final OnClickListener mOnDoneClickListener = new OnClickListener() {
    134         public void onClick(View v) {
    135             // Edit complete.
    136             editDone();
    137         }
    138     };
    139 
    140     protected void editDone() {
    141         // Set result to parent, and close window.
    142         // Check the duration.
    143         String dur = mDur.getText().toString();
    144         int durValue = 0;
    145         try {
    146             durValue = Integer.valueOf(dur);
    147         } catch (NumberFormatException e) {
    148             notifyUser(R.string.duration_not_a_number);
    149             return;
    150         }
    151         if (durValue <= 0) {
    152             notifyUser(R.string.duration_zero);
    153             return;
    154         }
    155 
    156         // Set result.
    157         setResult(RESULT_OK, new Intent(mDur.getText().toString()));
    158         finish();
    159     }
    160 
    161     private void notifyUser(int msgId) {
    162         mDur.requestFocus();
    163         mDur.selectAll();
    164         Toast.makeText(this, msgId, Toast.LENGTH_SHORT).show();
    165         return;
    166     }
    167 }
    168