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      1 package com.android.wallpaperpicker.tileinfo;
      2 
      3 import android.graphics.Point;
      4 import android.graphics.drawable.Drawable;
      5 import android.net.Uri;
      6 import android.os.AsyncTask;
      7 import android.util.Log;
      8 import android.widget.Toast;
      9 
     10 import com.android.gallery3d.common.Utils;
     11 import com.android.photos.BitmapRegionTileSource;
     12 import com.android.photos.BitmapRegionTileSource.BitmapSource;
     13 import com.android.wallpaperpicker.R;
     14 import com.android.wallpaperpicker.WallpaperPickerActivity;
     15 import com.android.wallpaperpicker.common.DialogUtils;
     16 import com.android.wallpaperpicker.common.InputStreamProvider;
     17 import com.android.wallpaperpicker.common.WallpaperManagerCompat;
     18 
     19 import java.io.File;
     20 import java.io.IOException;
     21 import java.io.InputStream;
     22 
     23 public class FileWallpaperInfo extends DrawableThumbWallpaperInfo {
     24     private static final String TAG = "FileWallpaperInfo";
     25 
     26     private final File mFile;
     27 
     28     public FileWallpaperInfo(File target, Drawable thumb) {
     29         super(thumb);
     30         mFile = target;
     31     }
     32 
     33     @Override
     34     public void onClick(final WallpaperPickerActivity a) {
     35         a.setWallpaperButtonEnabled(false);
     36         final BitmapRegionTileSource.FilePathBitmapSource bitmapSource =
     37                 new BitmapRegionTileSource.FilePathBitmapSource(mFile, a);
     38         a.setCropViewTileSource(bitmapSource, false, true, null, new Runnable() {
     39 
     40             @Override
     41             public void run() {
     42                 if (bitmapSource.getLoadingState() == BitmapSource.State.LOADED) {
     43                     a.setWallpaperButtonEnabled(true);
     44                 }
     45             }
     46         });
     47     }
     48 
     49     @Override
     50     public void onSave(final WallpaperPickerActivity a) {
     51         final InputStreamProvider isp = InputStreamProvider.fromUri(a, Uri.fromFile(mFile));
     52         AsyncTask<Integer, Void, Point> cropTask = new AsyncTask<Integer, Void, Point>() {
     53 
     54             @Override
     55             protected Point doInBackground(Integer... params) {
     56                 InputStream is = null;
     57                 try {
     58                     Point bounds = isp.getImageBounds();
     59                     if (bounds == null) {
     60                         Log.w(TAG, "Error loading image bounds");
     61                         return null;
     62                     }
     63                     is = isp.newStreamNotNull();
     64                     WallpaperManagerCompat.getInstance(a).setStream(is, null, true, params[0]);
     65                     return bounds;
     66                 } catch (IOException e) {
     67                     Log.w(TAG, "cannot write stream to wallpaper", e);
     68                 } finally {
     69                     Utils.closeSilently(is);
     70                 }
     71                 return null;
     72             }
     73 
     74             @Override
     75             protected void onPostExecute(Point bounds) {
     76                 if (bounds != null) {
     77                     a.setBoundsAndFinish(bounds, a.getWallpaperParallaxOffset() == 0f);
     78                 } else {
     79                     Toast.makeText(a, R.string.wallpaper_set_fail, Toast.LENGTH_SHORT).show();
     80                 }
     81             }
     82         };
     83 
     84         DialogUtils.executeCropTaskAfterPrompt(a, cropTask, a.getOnDialogCancelListener());
     85     }
     86 
     87     @Override
     88     public boolean isSelectable() {
     89         return true;
     90     }
     91 
     92     @Override
     93     public boolean isNamelessWallpaper() {
     94         return true;
     95     }
     96 }