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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 android.app.Activity;
     20 import android.content.Intent;
     21 import android.os.Bundle;
     22 import android.util.Log;
     23 
     24 import java.util.ArrayList;
     25 import java.util.Iterator;
     26 import java.util.List;
     27 import java.util.concurrent.CountDownLatch;
     28 import java.util.concurrent.Future;
     29 import java.util.concurrent.TimeUnit;
     30 import java.util.concurrent.TimeoutException;
     31 
     32 /**
     33  * {@link Activity} that iterates over all the test layouts for a single theme
     34  * and either compares or generates bitmaps.
     35  */
     36 public class ThemeTestActivity extends Activity {
     37 
     38     private static final String TAG = ThemeTestActivity.class.getSimpleName();
     39 
     40     static final String EXTRA_TASK = "task";
     41     static final String EXTRA_THEME_INDEX = "themeIndex";
     42     static final String EXTRA_LAYOUT_INDEX = "layoutIndex";
     43     static final String EXTRA_LAYOUT_ADAPTER_MODE = "layoutAdapterMode";
     44 
     45     static final int TASK_VIEW_LAYOUTS = 1;
     46     static final int TASK_GENERATE_BITMAPS = 2;
     47     static final int TASK_COMPARE_BITMAPS = 3;
     48 
     49     private static final int VIEW_TESTS_REQUEST_CODE = 1;
     50     private static final int GENERATE_BITMAP_REQUEST_CODE = 2;
     51     private static final int COMPARE_BITMAPS_REQUEST_CODE = 3;
     52 
     53     private int mRequestCode;
     54     private Iterator<Intent> mIterator;
     55     private Result mPendingResult;
     56     private ResultFuture<Result> mResultFuture;
     57 
     58     @Override
     59     protected void onCreate(Bundle savedInstanceState) {
     60         super.onCreate(savedInstanceState);
     61 
     62         mResultFuture = new ResultFuture<Result>();
     63         mPendingResult = new Result();
     64 
     65         int task = getIntent().getIntExtra(EXTRA_TASK, -1);
     66         switch (task) {
     67             case TASK_VIEW_LAYOUTS:
     68                 mRequestCode = VIEW_TESTS_REQUEST_CODE;
     69                 break;
     70 
     71             case TASK_GENERATE_BITMAPS:
     72                 mRequestCode = GENERATE_BITMAP_REQUEST_CODE;
     73                 break;
     74 
     75             case TASK_COMPARE_BITMAPS:
     76                 // Don't delete any failure bitmap images that may be useful.
     77                 mRequestCode = COMPARE_BITMAPS_REQUEST_CODE;
     78                 break;
     79 
     80             default:
     81                 throw new IllegalArgumentException("Bad task: " + task);
     82         }
     83 
     84         int themeIndex = getIntent().getIntExtra(EXTRA_THEME_INDEX, -1);
     85         int layoutIndex = getIntent().getIntExtra(EXTRA_LAYOUT_INDEX, -1);
     86         int adapterMode = getIntent().getIntExtra(EXTRA_LAYOUT_ADAPTER_MODE, -1);
     87 
     88         Log.i(TAG, "Theme index: " + themeIndex + " Layout index: " + layoutIndex);
     89 
     90         if (themeIndex < 0 && layoutIndex < 0) {
     91             mIterator = new AllThemesIterator(task, adapterMode);
     92         } else if (themeIndex >= 0 && layoutIndex >= 0) {
     93             mIterator = new SingleThemeLayoutIterator(themeIndex, layoutIndex, task, adapterMode);
     94         } else if (layoutIndex >= 0) {
     95             mIterator = new SingleLayoutIterator(layoutIndex, task, adapterMode);
     96         } else if (themeIndex >= 0) {
     97             mIterator = new SingleThemeIterator(themeIndex, task, adapterMode);
     98         } else {
     99             throw new IllegalStateException();
    100         }
    101 
    102         generateNextBitmap();
    103     }
    104 
    105     private void generateNextBitmap() {
    106         if (mIterator.hasNext()) {
    107             Intent intent = mIterator.next();
    108             intent.setClass(this, LayoutTestActivity.class);
    109             startActivityForResult(intent, mRequestCode);
    110         } else {
    111             mResultFuture.set(mPendingResult);
    112         }
    113     }
    114 
    115     @Override
    116     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    117         switch (requestCode) {
    118             case VIEW_TESTS_REQUEST_CODE:
    119                 return;
    120 
    121             case GENERATE_BITMAP_REQUEST_CODE:
    122             case COMPARE_BITMAPS_REQUEST_CODE:
    123                 handleResult(resultCode, data);
    124                 break;
    125 
    126             default:
    127                 throw new IllegalArgumentException("Bad request code: " + requestCode);
    128         }
    129     }
    130 
    131     private void handleResult(int resultCode, Intent data) {
    132         if (resultCode == RESULT_CANCELED) {
    133             throw new IllegalStateException("Did you interrupt the activity?");
    134         }
    135 
    136         boolean success = data.getBooleanExtra(LayoutTestActivity.EXTRA_SUCCESS, false);
    137         if (!success) {
    138             String bitmapName = data.getStringExtra(LayoutTestActivity.EXTRA_BITMAP_NAME);
    139             mPendingResult.addFailedBitmapName(bitmapName);
    140         }
    141         generateNextBitmap();
    142     }
    143 
    144     public Future<Result> getResultFuture() {
    145         return mResultFuture;
    146     }
    147 
    148     static class Result {
    149 
    150         private List<String> mFailedBitmapNames = new ArrayList<String>();
    151 
    152         public boolean passed() {
    153             return mFailedBitmapNames.isEmpty();
    154         }
    155 
    156         public List<String> getFailedBitmapNames() {
    157             return mFailedBitmapNames;
    158         }
    159 
    160         private void addFailedBitmapName(String bitmapName) {
    161             mFailedBitmapNames.add(bitmapName);
    162         }
    163     }
    164 
    165     class ResultFuture<T> implements Future<T> {
    166 
    167         private final CountDownLatch mLatch = new CountDownLatch(1);
    168 
    169         private T mResult;
    170 
    171         public void set(T result) {
    172             mResult = result;
    173             mLatch.countDown();
    174         }
    175 
    176         @Override
    177         public T get() throws InterruptedException {
    178             mLatch.await();
    179             return mResult;
    180         }
    181 
    182         @Override
    183         public T get(long timeout, TimeUnit unit) throws InterruptedException,
    184                 TimeoutException {
    185             if (!mLatch.await(timeout, unit)) {
    186                 throw new TimeoutException();
    187             }
    188             return mResult;
    189         }
    190 
    191         @Override
    192         public boolean isDone() {
    193             return mLatch.getCount() > 0;
    194         }
    195 
    196         @Override
    197         public boolean cancel(boolean mayInterruptIfRunning) {
    198             return false;
    199         }
    200 
    201         @Override
    202         public boolean isCancelled() {
    203             return false;
    204         }
    205     }
    206 }
    207