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      1 /*
      2  * Copyright (C) 2011 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 
     17 package android.holo.cts;
     18 
     19 import com.android.cts.holo.R;
     20 
     21 import android.app.Activity;
     22 import android.app.AlertDialog;
     23 import android.app.Dialog;
     24 import android.app.ProgressDialog;
     25 import android.content.DialogInterface;
     26 import android.os.AsyncTask;
     27 import android.os.Bundle;
     28 
     29 /**
     30  * {@link Activity} that iterates over all the test layouts for a single theme
     31  * and either compares or generates bitmaps.
     32  */
     33 public class BitmapDeletionActivity extends Activity {
     34 
     35     static final String EXTRA_BITMAP_TYPE = "bitmapType";
     36 
     37     private static final int DIALOG_DELETING_ID = 1;
     38     private static final int DIALOG_FINISHED_DELETING_ID = 2;
     39     private static final int DIALOG_ERROR_DELETING_ID = 3;
     40 
     41     private int mBitmapType;
     42 
     43     @Override
     44     protected void onCreate(Bundle savedInstanceState) {
     45         super.onCreate(savedInstanceState);
     46         mBitmapType = getIntent().getIntExtra(EXTRA_BITMAP_TYPE, -1);
     47         new DeleteBitmapsTask().execute();
     48     }
     49 
     50     class DeleteBitmapsTask extends AsyncTask<Void, Void, Boolean> {
     51 
     52         @Override
     53         protected void onPreExecute() {
     54             super.onPreExecute();
     55             showDialog(DIALOG_DELETING_ID);
     56         }
     57 
     58         @Override
     59         protected Boolean doInBackground(Void... darthVoider) {
     60             return BitmapAssets.clearDirectory(mBitmapType);
     61         }
     62 
     63         @Override
     64         protected void onPostExecute(Boolean success) {
     65             dismissDialog(DIALOG_DELETING_ID);
     66             showDialog(success ? DIALOG_FINISHED_DELETING_ID : DIALOG_ERROR_DELETING_ID);
     67         }
     68     }
     69 
     70     @Override
     71     protected Dialog onCreateDialog(int id, Bundle args) {
     72         switch (id) {
     73             case DIALOG_DELETING_ID:
     74                 ProgressDialog dialog = new ProgressDialog(BitmapDeletionActivity.this);
     75                 dialog.setMessage(getString(R.string.deleting_bitmaps));
     76                 return dialog;
     77 
     78             case DIALOG_FINISHED_DELETING_ID:
     79                 return createFinishingDialog(R.string.deleting_bitmaps_finished);
     80 
     81             case DIALOG_ERROR_DELETING_ID:
     82                 return createFinishingDialog(R.string.deleting_bitmaps_error);
     83 
     84             default:
     85                 return super.onCreateDialog(id, args);
     86         }
     87     }
     88 
     89     private AlertDialog createFinishingDialog(int message) {
     90         DialogInterface.OnClickListener finishListener =
     91                 new DialogInterface.OnClickListener() {
     92                     @Override
     93                     public void onClick(DialogInterface dialog, int which) {
     94                         finish();
     95                     }
     96                 };
     97         return new AlertDialog.Builder(BitmapDeletionActivity.this)
     98                 .setMessage(message)
     99                 .setCancelable(false)
    100                 .setPositiveButton(android.R.string.ok, finishListener)
    101                 .create();
    102     }
    103 }
    104