src/com/owncloud/android/ui/adapter/FileListListAdapter.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18 package com.owncloud.android.ui.adapter;
  19
  20 import java.io.File;
  21 import java.io.IOException;
  22 import java.net.URLEncoder;
  23 import java.util.Vector;
  24
  25 import android.accounts.Account;
  26 import android.accounts.AuthenticatorException;
  27 import android.accounts.OperationCanceledException;
  28 import android.content.Context;
  29 import android.content.res.Resources;
  30 import android.graphics.Bitmap;
  31 <<<<<<< HEAD
  32 import android.graphics.Bitmap.CompressFormat;
  33 import android.graphics.BitmapFactory;
  34 import android.media.ThumbnailUtils;
  35 import android.os.AsyncTask;
  36 =======
  37 import android.graphics.BitmapFactory;
  38 import android.media.ThumbnailUtils;
  39 >>>>>>> c0dc4c42d71eb9593ff48a02a8af74bd7df8776e
  40 import android.util.TypedValue;
  41 import android.view.LayoutInflater;
  42 import android.view.View;
  43 import android.view.ViewGroup;
  44 import android.widget.BaseAdapter;
  45 import android.widget.ImageView;
  46 import android.widget.ListAdapter;
  47 import android.widget.ListView;
  48 import android.widget.TextView;
  49
  50 import com.owncloud.android.R;
  51 import com.owncloud.android.authentication.AccountUtils;
  52 import com.owncloud.android.datamodel.FileDataStorageManager;
  53 import com.owncloud.android.datamodel.OCFile;
  54 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  55 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  56 import com.owncloud.android.lib.common.OwnCloudAccount;
  57 import com.owncloud.android.lib.common.OwnCloudClient;
  58 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  59 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  60 import com.owncloud.android.ui.activity.ComponentsGetter;
  61 import com.owncloud.android.utils.DisplayUtils;
  62
  63 import org.apache.http.HttpEntity;
  64 import org.apache.http.HttpResponse;
  65 import org.apache.http.auth.AuthScope;
  66 import org.apache.http.auth.UsernamePasswordCredentials;
  67 import org.apache.http.client.methods.HttpGet;
  68 import org.apache.http.impl.client.DefaultHttpClient;
  69 import org.apache.http.util.EntityUtils;
  70
  71
  72 /**
  73  * This Adapter populates a ListView with all files and folders in an ownCloud
  74  * instance.
  75  *
  76  * @author Bartek Przybylski
  77  *
  78  */
  79 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  80     private final static String PERMISSION_SHARED_WITH_ME = "S";
  81
  82     private Context mContext;
  83     private OCFile mFile = null;
  84     private Vector<OCFile> mFiles = null;
  85
  86     private FileDataStorageManager mStorageManager;
  87     private Account mAccount;
  88     private ComponentsGetter mTransferServiceGetter;
  89     private final Object mDiskCacheLock = new Object();
  90     private DiskLruImageCache mDiskLruCache;
  91     private boolean mDiskCacheStarting = true;
  92     private static final int DISK_CACHE_SIZE = 1024 * 1024 * 10; // 10MB
  93     private CompressFormat mCompressFormat = CompressFormat.JPEG;
  94     private int mCompressQuality = 70;
  95     private OwnCloudClient mClient;
  96
  97     public FileListListAdapter(Context context, ComponentsGetter transferServiceGetter) {
  98         mContext = context;
  99         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 100         mTransferServiceGetter = transferServiceGetter;
 101
 102         // Initialise disk cache on background thread
 103         new InitDiskCacheTask().execute();
 104     }
 105
 106     class InitDiskCacheTask extends AsyncTask<File, Void, Void> {
 107         @Override
 108         protected Void doInBackground(File... params) {
 109             synchronized (mDiskCacheLock) {
 110                 mDiskLruCache = new DiskLruImageCache(mContext, "thumbnailCache", DISK_CACHE_SIZE, mCompressFormat,mCompressQuality);
 111
 112                 try {
 113                     OwnCloudAccount ocAccount = new OwnCloudAccount(mAccount, mContext);
 114                     mClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 115                             getClientFor(ocAccount, mContext);
 116                 } catch (AccountNotFoundException e) {
 117                     // TODO Auto-generated catch block
 118                     e.printStackTrace();
 119                 } catch (AuthenticatorException e) {
 120                     // TODO Auto-generated catch block
 121                     e.printStackTrace();
 122                 } catch (OperationCanceledException e) {
 123                     // TODO Auto-generated catch block
 124                     e.printStackTrace();
 125                 } catch (IOException e) {
 126                     // TODO Auto-generated catch block
 127                     e.printStackTrace();
 128                 }
 129
 130                 mDiskCacheStarting = false; // Finished initialization
 131                 mDiskCacheLock.notifyAll(); // Wake any waiting threads
 132             }
 133             return null;
 134         }
 135     }
 136
 137     class BitmapWorkerTask extends AsyncTask<OCFile, Void, Bitmap> {
 138         private final ImageView fileIcon;
 139
 140         public BitmapWorkerTask(ImageView fileIcon) {
 141             this.fileIcon = fileIcon;
 142         }
 143
 144         // Decode image in background.
 145         @Override
 146         protected Bitmap doInBackground(OCFile... params) {
 147             OCFile file = params[0];
 148             final String imageKey = String.valueOf(file.getRemoteId());
 149
 150             // Check disk cache in background thread
 151             Bitmap thumbnail = getBitmapFromDiskCache(imageKey);
 152
 153             // Not found in disk cache
 154             if (thumbnail == null) {
 155                 // Converts dp to pixel
 156                 Resources r = mContext.getResources();
 157                 int px = (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 150, r.getDisplayMetrics()));
 158
 159                 if (file.isDown()){
 160                     Bitmap bitmap = BitmapFactory.decodeFile(file.getStoragePath());
 161                     thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
 162
 163                     // Add thumbnail to cache
 164                     addBitmapToCache(imageKey, thumbnail);
 165
 166                 } else {
 167                     // Download thumbnail from server
 168                     DefaultHttpClient httpclient = new DefaultHttpClient();
 169                     try {
 170                         httpclient.getCredentialsProvider().setCredentials(
 171                                 new AuthScope(mClient.getBaseUri().toString().replace("https://", ""), 443),
 172                                 new UsernamePasswordCredentials(mClient.getCredentials().getUsername(), mClient.getCredentials().getAuthToken()));
 173
 174
 175                         // TODO change to user preview.png
 176                         HttpGet httpget = new HttpGet(mClient.getBaseUri() + "/ocs/v1.php/thumbnail?path=" + URLEncoder.encode(file.getRemotePath(), "UTF-8"));
 177                         HttpResponse response = httpclient.execute(httpget);
 178                         HttpEntity entity = response.getEntity();
 179
 180                         if (entity != null) {
 181                             byte[] bytes = EntityUtils.toByteArray(entity);
 182                             Bitmap bitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
 183                             thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
 184
 185                             // Add thumbnail to cache
 186                             if (thumbnail != null){
 187                                 addBitmapToCache(imageKey, thumbnail);
 188                             }
 189
 190                         }
 191                     } catch(Exception e){
 192                         e.printStackTrace();
 193                     }finally {
 194                         httpclient.getConnectionManager().shutdown();
 195                     }
 196                 }
 197             }
 198             return thumbnail;
 199         }
 200
 201         protected void onPostExecute(Bitmap bitmap){
 202             fileIcon.setImageBitmap(bitmap);
 203         }
 204     }
 205
 206     public void addBitmapToCache(String key, Bitmap bitmap) {
 207         synchronized (mDiskCacheLock) {
 208             if (mDiskLruCache != null && mDiskLruCache.getBitmap(key) == null) {
 209                 mDiskLruCache.put(key, bitmap);
 210             }
 211         }
 212     }
 213
 214     public Bitmap getBitmapFromDiskCache(String key) {
 215         synchronized (mDiskCacheLock) {
 216             // Wait while disk cache is started from background thread
 217             while (mDiskCacheStarting) {
 218                 try {
 219                     mDiskCacheLock.wait();
 220                 } catch (InterruptedException e) {}
 221             }
 222             if (mDiskLruCache != null) {
 223                 return (Bitmap) mDiskLruCache.getBitmap(key);
 224             }
 225         }
 226         return null;
 227     }
 228
 229     @Override
 230     public boolean areAllItemsEnabled() {
 231         return true;
 232     }
 233
 234     @Override
 235     public boolean isEnabled(int position) {
 236         return true;
 237     }
 238
 239     @Override
 240     public int getCount() {
 241         return mFiles != null ? mFiles.size() : 0;
 242     }
 243
 244     @Override
 245     public Object getItem(int position) {
 246         if (mFiles == null || mFiles.size() <= position)
 247             return null;
 248         return mFiles.get(position);
 249     }
 250
 251     @Override
 252     public long getItemId(int position) {
 253         if (mFiles == null || mFiles.size() <= position)
 254             return 0;
 255         return mFiles.get(position).getFileId();
 256     }
 257
 258     @Override
 259     public int getItemViewType(int position) {
 260         return 0;
 261     }
 262
 263     @Override
 264     public View getView(int position, View convertView, ViewGroup parent) {
 265         View view = convertView;
 266         if (view == null) {
 267             LayoutInflater inflator = (LayoutInflater) mContext
 268                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 269             view = inflator.inflate(R.layout.list_item, null);
 270         }
 271
 272         if (mFiles != null && mFiles.size() > position) {
 273             OCFile file = mFiles.get(position);
 274             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 275             String name = file.getFileName();
 276
 277             fileName.setText(name);
 278             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 279             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 280             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 281             sharedWithMeIconV.setVisibility(View.GONE);
 282
 283             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 284             localStateView.bringToFront();
 285             FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 286             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 287             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 288                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 289                 localStateView.setVisibility(View.VISIBLE);
 290             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 291                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 292                 localStateView.setVisibility(View.VISIBLE);
 293             } else if (file.isDown()) {
 294                 localStateView.setImageResource(R.drawable.local_file_indicator);
 295                 localStateView.setVisibility(View.VISIBLE);
 296             } else {
 297                 localStateView.setVisibility(View.INVISIBLE);
 298             }
 299
 300             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 301             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 302             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 303
 304             if (!file.isFolder()) {
 305                 fileSizeV.setVisibility(View.VISIBLE);
 306                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 307                 lastModV.setVisibility(View.VISIBLE);
 308                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 309                 // this if-else is needed even thoe fav icon is visible by default
 310                 // because android reuses views in listview
 311                 if (!file.keepInSync()) {
 312                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 313                 } else {
 314                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 315                 }
 316
 317                 ListView parentList = (ListView)parent;
 318                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 319                     checkBoxV.setVisibility(View.GONE);
 320                 } else {
 321                     if (parentList.isItemChecked(position)) {
 322                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 323                     } else {
 324                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 325                     }
 326                     checkBoxV.setVisibility(View.VISIBLE);
 327                 }
 328 <<<<<<< HEAD
 329
 330                 // first set thumbnail according to Mimetype, prevents empty thumbnails
 331                 fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 332
 333                 // get Thumbnail if file is image
 334                 if (file.isImage()){
 335                     // Thumbnail in Cache?
 336                     Bitmap thumbnail = getBitmapFromDiskCache(String.valueOf(file.getRemoteId()));
 337                     if (thumbnail != null){
 338                         fileIcon.setImageBitmap(thumbnail);
 339                     } else {
 340                         // generate new Thumbnail
 341                         new BitmapWorkerTask(fileIcon).execute(file);
 342                     }
 343                 }
 344
 345 =======
 346
 347                 // generate Thumbnail if file is available local and image
 348                 if (file.isDown() && file.isImage()){
 349                     // Converts dp to pixel
 350                     Resources r = mContext.getResources();
 351                     int px = (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 150, r.getDisplayMetrics()));
 352                     Bitmap bitmap = BitmapFactory.decodeFile(file.getStoragePath());
 353                     fileIcon.setImageBitmap(ThumbnailUtils.extractThumbnail(bitmap, px, px));
 354                 } else {
 355                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 356                 }
 357
 358 >>>>>>> c0dc4c42d71eb9593ff48a02a8af74bd7df8776e
 359                 if (checkIfFileIsSharedWithMe(file)) {
 360                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 361                 }
 362             }
 363             else {
 364                 fileSizeV.setVisibility(View.INVISIBLE);
 365                 //fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 366                 lastModV.setVisibility(View.VISIBLE);
 367                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 368                 checkBoxV.setVisibility(View.GONE);
 369                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 370
 371                 if (checkIfFileIsSharedWithMe(file)) {
 372                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 373                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 374                 } else {
 375                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 376                 }
 377
 378                 // If folder is sharedByLink, icon folder must be changed to
 379                 // folder-public one
 380                 if (file.isShareByLink()) {
 381                     fileIcon.setImageResource(R.drawable.folder_public);
 382                 }
 383             }
 384
 385             if (file.isShareByLink()) {
 386                 sharedIconV.setVisibility(View.VISIBLE);
 387             } else {
 388                 sharedIconV.setVisibility(View.GONE);
 389             }
 390         }
 391
 392         return view;
 393     }
 394
 395     @Override
 396     public int getViewTypeCount() {
 397         return 1;
 398     }
 399
 400     @Override
 401     public boolean hasStableIds() {
 402         return true;
 403     }
 404
 405     @Override
 406     public boolean isEmpty() {
 407         return (mFiles == null || mFiles.isEmpty());
 408     }
 409
 410     /**
 411      * Change the adapted directory for a new one
 412      * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
 413      * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
 414      */
 415     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 416         mFile = directory;
 417         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 418             mStorageManager = updatedStorageManager;
 419             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 420         }
 421         if (mStorageManager != null) {
 422             mFiles = mStorageManager.getFolderContent(mFile);
 423         } else {
 424             mFiles = null;
 425         }
 426         notifyDataSetChanged();
 427     }
 428
 429     /**
 430      * Check if parent folder does not include 'S' permission and if file/folder
 431      * is shared with me
 432      *
 433      * @param file: OCFile
 434      * @return boolean: True if it is shared with me and false if it is not
 435      */
 436     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 437         return (mFile.getPermissions() != null && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 438                 && file.getPermissions() != null && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 439     }
 440 }