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      1 /*
      2  * Copyright (C) 2016 Google Inc.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
      5  * use this file except in compliance with the License. You may obtain a copy of
      6  * 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, WITHOUT
     12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
     13  * License for the specific language governing permissions and limitations under
     14  * the License.
     15  */
     16 
     17 package com.googlecode.android_scripting.facade.ui;
     18 
     19 import android.app.Activity;
     20 import android.app.AlertDialog;
     21 import android.app.AlertDialog.Builder;
     22 import android.content.DialogInterface;
     23 import android.util.AndroidRuntimeException;
     24 import android.widget.SeekBar;
     25 
     26 import com.googlecode.android_scripting.Log;
     27 import com.googlecode.android_scripting.facade.EventFacade;
     28 
     29 import org.json.JSONException;
     30 import org.json.JSONObject;
     31 
     32 /**
     33  * Wrapper class for dialog box with seek bar.
     34  *
     35  * @author MeanEYE.rcf (meaneye.rcf (at) gmail.com)
     36  */
     37 public class SeekBarDialogTask extends DialogTask {
     38 
     39   private SeekBar mSeekBar;
     40   private final int mProgress;
     41   private final int mMax;
     42   private final String mTitle;
     43   private final String mMessage;
     44   private String mPositiveButtonText;
     45   private String mNegativeButtonText;
     46 
     47   public SeekBarDialogTask(int progress, int max, String title, String message) {
     48     mProgress = progress;
     49     mMax = max;
     50     mTitle = title;
     51     mMessage = message;
     52   }
     53 
     54   public void setPositiveButtonText(String text) {
     55     mPositiveButtonText = text;
     56   }
     57 
     58   public void setNegativeButtonText(String text) {
     59     mNegativeButtonText = text;
     60   }
     61 
     62   @Override
     63   public void onCreate() {
     64     super.onCreate();
     65     mSeekBar = new SeekBar(getActivity());
     66     mSeekBar.setMax(mMax);
     67     mSeekBar.setProgress(mProgress);
     68     mSeekBar.setPadding(10, 0, 10, 3);
     69     mSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
     70 
     71       @Override
     72       public void onStopTrackingTouch(SeekBar arg0) {
     73       }
     74 
     75       @Override
     76       public void onStartTrackingTouch(SeekBar arg0) {
     77       }
     78 
     79       @Override
     80       public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
     81         EventFacade eventFacade = getEventFacade();
     82         if (eventFacade != null) {
     83           JSONObject result = new JSONObject();
     84           try {
     85             result.put("which", "seekbar");
     86             result.put("progress", mSeekBar.getProgress());
     87             result.put("fromuser", fromUser);
     88             eventFacade.postEvent("dialog", result);
     89           } catch (JSONException e) {
     90             Log.e(e);
     91           }
     92         }
     93       }
     94     });
     95 
     96     AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
     97     if (mTitle != null) {
     98       builder.setTitle(mTitle);
     99     }
    100     if (mMessage != null) {
    101       builder.setMessage(mMessage);
    102     }
    103     builder.setView(mSeekBar);
    104     configureButtons(builder, getActivity());
    105     addOnCancelListener(builder, getActivity());
    106     mDialog = builder.show();
    107     mShowLatch.countDown();
    108   }
    109 
    110   private Builder addOnCancelListener(final AlertDialog.Builder builder, final Activity activity) {
    111     return builder.setOnCancelListener(new DialogInterface.OnCancelListener() {
    112       @Override
    113       public void onCancel(DialogInterface dialog) {
    114         JSONObject result = new JSONObject();
    115         try {
    116           result.put("canceled", true);
    117           result.put("progress", mSeekBar.getProgress());
    118         } catch (JSONException e) {
    119           Log.e(e);
    120         }
    121         dismissDialog();
    122         setResult(result);
    123       }
    124     });
    125   }
    126 
    127   private void configureButtons(final AlertDialog.Builder builder, final Activity activity) {
    128     DialogInterface.OnClickListener buttonListener = new DialogInterface.OnClickListener() {
    129       @Override
    130       public void onClick(DialogInterface dialog, int which) {
    131         JSONObject result = new JSONObject();
    132         switch (which) {
    133         case DialogInterface.BUTTON_POSITIVE:
    134           try {
    135             result.put("which", "positive");
    136             result.put("progress", mSeekBar.getProgress());
    137           } catch (JSONException e) {
    138             throw new AndroidRuntimeException(e);
    139           }
    140           break;
    141         case DialogInterface.BUTTON_NEGATIVE:
    142           try {
    143             result.put("which", "negative");
    144             result.put("progress", mSeekBar.getProgress());
    145           } catch (JSONException e) {
    146             throw new AndroidRuntimeException(e);
    147           }
    148           break;
    149         }
    150         dismissDialog();
    151         setResult(result);
    152       }
    153     };
    154     if (mNegativeButtonText != null) {
    155       builder.setNegativeButton(mNegativeButtonText, buttonListener);
    156     }
    157     if (mPositiveButtonText != null) {
    158       builder.setPositiveButton(mPositiveButtonText, buttonListener);
    159     }
    160   }
    161 }
    162