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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author Tobias Kaminsky
   6  *   @author David A. Velasco
   7  *   @author masensio
   8  *   Copyright (C) 2011  Bartek Przybylski
   9  *   Copyright (C) 2015 ownCloud Inc.
  10  *
  11  *   This program is free software: you can redistribute it and/or modify
  12  *   it under the terms of the GNU General Public License version 2,
  13  *   as published by the Free Software Foundation.
  14  *
  15  *   This program is distributed in the hope that it will be useful,
  16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *   GNU General Public License for more details.
  19  *
  20  *   You should have received a copy of the GNU General Public License
  21  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22  *
  23  */
  24 package com.owncloud.android.ui.adapter;
  25
  26
  27 import java.io.File;
  28 import java.util.ArrayList;
  29 import java.util.HashMap;
  30 import java.util.Map;
  31 import java.util.Vector;
  32
  33 import android.accounts.Account;
  34 import android.content.Context;
  35 import android.content.SharedPreferences;
  36 import android.graphics.Bitmap;
  37 import android.graphics.Color;
  38 import android.os.Build;
  39 import android.preference.PreferenceManager;
  40 import android.text.format.DateUtils;
  41 import android.view.LayoutInflater;
  42 import android.view.View;
  43 import android.view.ViewGroup;
  44 import android.widget.AbsListView;
  45 import android.widget.BaseAdapter;
  46 import android.widget.ImageView;
  47 import android.widget.LinearLayout;
  48 import android.widget.ListAdapter;
  49 import android.widget.TextView;
  50
  51 import com.owncloud.android.R;
  52 import com.owncloud.android.authentication.AccountUtils;
  53 import com.owncloud.android.datamodel.FileDataStorageManager;
  54 import com.owncloud.android.datamodel.OCFile;
  55 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  56 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  57 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  58 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  59 import com.owncloud.android.ui.activity.ComponentsGetter;
  60 import com.owncloud.android.utils.DisplayUtils;
  61 import com.owncloud.android.utils.FileStorageUtils;
  62 import com.owncloud.android.utils.MimetypeIconUtil;
  63
  64
  65 /**
  66  * This Adapter populates a ListView with all files and folders in an ownCloud
  67  * instance.
  68  */
  69 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  70     private final static String PERMISSION_SHARED_WITH_ME = "S";
  71
  72     private Context mContext;
  73     private OCFile mFile = null;
  74     private Vector<OCFile> mFiles = null;
  75     private Vector<OCFile> mFilesOrig = new Vector<OCFile>();
  76     private boolean mJustFolders;
  77
  78     private FileDataStorageManager mStorageManager;
  79     private Account mAccount;
  80     private ComponentsGetter mTransferServiceGetter;
  81     private boolean mGridMode;
  82
  83     private enum ViewType {LIST_ITEM, GRID_IMAGE, GRID_ITEM };
  84
  85     private SharedPreferences mAppPreferences;
  86
  87     private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
  88
  89     public FileListListAdapter(
  90             boolean justFolders,
  91             Context context,
  92             ComponentsGetter transferServiceGetter
  93             ) {
  94
  95         mJustFolders = justFolders;
  96         mContext = context;
  97         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  98         mTransferServiceGetter = transferServiceGetter;
  99
 100         mAppPreferences = PreferenceManager
 101                 .getDefaultSharedPreferences(mContext);
 102
 103         // Read sorting order, default to sort by name ascending
 104         FileStorageUtils.mSortOrder = mAppPreferences.getInt("sortOrder", 0);
 105         FileStorageUtils.mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
 106
 107         // initialise thumbnails cache on background thread
 108         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
 109
 110         mGridMode = false;
 111     }
 112
 113     @Override
 114     public boolean areAllItemsEnabled() {
 115         return true;
 116     }
 117
 118     @Override
 119     public boolean isEnabled(int position) {
 120         return true;
 121     }
 122
 123     @Override
 124     public int getCount() {
 125         return mFiles != null ? mFiles.size() : 0;
 126     }
 127
 128     @Override
 129     public Object getItem(int position) {
 130         if (mFiles == null || mFiles.size() <= position)
 131             return null;
 132         return mFiles.get(position);
 133     }
 134
 135     @Override
 136     public long getItemId(int position) {
 137         if (mFiles == null || mFiles.size() <= position)
 138             return 0;
 139         return mFiles.get(position).getFileId();
 140     }
 141
 142     @Override
 143     public int getItemViewType(int position) {
 144         return 0;
 145     }
 146
 147     @Override
 148     public View getView(int position, View convertView, ViewGroup parent) {
 149
 150         View view = convertView;
 151         OCFile file = null;
 152         LayoutInflater inflator = (LayoutInflater) mContext
 153                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 154
 155         if (mFiles != null && mFiles.size() > position) {
 156             file = mFiles.get(position);
 157         }
 158
 159         // Find out which layout should be displayed
 160         ViewType viewType;
 161         if (!mGridMode){
 162             viewType = ViewType.LIST_ITEM;
 163         } else if (file.isImage()){
 164             viewType = ViewType.GRID_IMAGE;
 165         } else {
 166             viewType = ViewType.GRID_ITEM;
 167         }
 168
 169         // create view only if differs, otherwise reuse
 170         if (convertView == null || (convertView != null && convertView.getTag() != viewType)) {
 171             switch (viewType) {
 172                 case GRID_IMAGE:
 173                     view = inflator.inflate(R.layout.grid_image, null);
 174                     view.setTag(ViewType.GRID_IMAGE);
 175                     break;
 176                 case GRID_ITEM:
 177                     view = inflator.inflate(R.layout.grid_item, null);
 178                     view.setTag(ViewType.GRID_ITEM);
 179                     break;
 180                 case LIST_ITEM:
 181                     view = inflator.inflate(R.layout.list_item, null);
 182                     view.setTag(ViewType.LIST_ITEM);
 183                     break;
 184             }
 185         }
 186
 187         view.invalidate();
 188
 189         if (file != null){
 190
 191             ImageView fileIcon = (ImageView) view.findViewById(R.id.thumbnail);
 192
 193             fileIcon.setTag(file.getFileId());
 194             TextView fileName;
 195             String name = file.getFileName();
 196
 197             LinearLayout linearLayout = (LinearLayout) view.findViewById(R.id.ListItemLayout);
 198             linearLayout.setContentDescription("LinearLayout-" + name);
 199
 200             switch (viewType){
 201                 case LIST_ITEM:
 202                     TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 203                     TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 204
 205
 206                     lastModV.setVisibility(View.VISIBLE);
 207                     lastModV.setText(showRelativeTimestamp(file));
 208
 209
 210
 211                     fileSizeV.setVisibility(View.VISIBLE);
 212                     fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 213
 214                     if (!file.isFolder()) {
 215 //                        AbsListView parentList = (AbsListView)parent;
 216 //                        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
 217 //                            if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 218 //                                checkBoxV.setVisibility(View.GONE);
 219 //                            } else {
 220 //                                if (parentList.isItemChecked(position)) {
 221 //                                    checkBoxV.setImageResource(
 222 //                                            android.R.drawable.checkbox_on_background);
 223 //                                } else {
 224 //                                    checkBoxV.setImageResource(
 225 //                                            android.R.drawable.checkbox_off_background);
 226 //                                }
 227 //                                checkBoxV.setVisibility(View.VISIBLE);
 228 //                            }
 229 //                        }
 230
 231                     } else { //Folder
 232                         fileSizeV.setVisibility(View.INVISIBLE);
 233                     }
 234
 235                 case GRID_ITEM:
 236                     // filename
 237                     fileName = (TextView) view.findViewById(R.id.Filename);
 238                     name = file.getFileName();
 239                     fileName.setText(name);
 240
 241                 case GRID_IMAGE:
 242                     // sharedIcon
 243                     ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 244                     if (file.isShareByLink()) {
 245                         sharedIconV.setVisibility(View.VISIBLE);
 246                         sharedIconV.bringToFront();
 247                     } else {
 248                         sharedIconV.setVisibility(View.GONE);
 249                     }
 250
 251                     // local state
 252                     ImageView localStateView = (ImageView) view.findViewById(R.id.localFileIndicator);
 253                     localStateView.bringToFront();
 254                     FileDownloaderBinder downloaderBinder =
 255                             mTransferServiceGetter.getFileDownloaderBinder();
 256                     FileUploaderBinder uploaderBinder =
 257                             mTransferServiceGetter.getFileUploaderBinder();
 258                     boolean downloading = (downloaderBinder != null &&
 259                             downloaderBinder.isDownloading(mAccount, file));
 260                     OperationsServiceBinder opsBinder =
 261                             mTransferServiceGetter.getOperationsServiceBinder();
 262                     downloading |= (opsBinder != null &&
 263                             opsBinder.isSynchronizing(mAccount, file.getRemotePath()));
 264                     if (downloading) {
 265                         localStateView.setImageResource(R.drawable.downloading_file_indicator);
 266                         localStateView.setVisibility(View.VISIBLE);
 267                     } else if (uploaderBinder != null &&
 268                             uploaderBinder.isUploading(mAccount, file)) {
 269                         localStateView.setImageResource(R.drawable.uploading_file_indicator);
 270                         localStateView.setVisibility(View.VISIBLE);
 271                     } else if (file.isDown()) {
 272                         localStateView.setImageResource(R.drawable.local_file_indicator);
 273                         localStateView.setVisibility(View.VISIBLE);
 274                     } else {
 275                         localStateView.setVisibility(View.INVISIBLE);
 276                     }
 277
 278                     // share with me icon
 279                     ImageView sharedWithMeIconV = (ImageView)
 280                             view.findViewById(R.id.sharedWithMeIcon);
 281                     sharedWithMeIconV.bringToFront();
 282                     if (checkIfFileIsSharedWithMe(file) &&
 283                             (!file.isFolder() || !mGridMode)) {
 284                         sharedWithMeIconV.setVisibility(View.VISIBLE);
 285                     } else {
 286                         sharedWithMeIconV.setVisibility(View.GONE);
 287                     }
 288
 289                     break;
 290             }
 291
 292             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 293             checkBoxV.setVisibility(View.GONE);
 294
 295             AbsListView parentList = (AbsListView)parent;
 296             if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
 297                 if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 298                     checkBoxV.setVisibility(View.GONE);
 299                 } else if (parentList.getCheckedItemCount() > 0){
 300                     if (parentList.isItemChecked(position)) {
 301                         checkBoxV.setImageResource(
 302                                 android.R.drawable.checkbox_on_background);
 303                     } else {
 304                         checkBoxV.setImageResource(
 305                                 android.R.drawable.checkbox_off_background);
 306                     }
 307                     checkBoxV.setVisibility(View.VISIBLE);
 308                 }
 309             }
 310
 311             // For all Views
 312
 313             // this if-else is needed even though favorite icon is visible by default
 314             // because android reuses views in listview
 315             if (!file.isFavorite()) {
 316                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 317             } else {
 318                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 319             }
 320
 321             // No Folder
 322             if (!file.isFolder()) {
 323                 if (file.isImage() && file.getRemoteId() != null){
 324                     // Thumbnail in Cache?
 325                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 326                             String.valueOf(file.getRemoteId())
 327                             );
 328                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 329                         fileIcon.setImageBitmap(thumbnail);
 330                     } else {
 331                         // generate new Thumbnail
 332                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 333                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 334                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 335                                             fileIcon, mStorageManager, mAccount
 336                                             );
 337                             if (thumbnail == null) {
 338                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 339                             }
 340                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 341                                     new ThumbnailsCacheManager.AsyncDrawable(
 342                                     mContext.getResources(),
 343                                     thumbnail,
 344                                     task
 345                                     );
 346                             fileIcon.setImageDrawable(asyncDrawable);
 347                             task.execute(file);
 348                         }
 349                     }
 350
 351                     if (file.getMimetype().equalsIgnoreCase("image/png")) {
 352                         fileIcon.setBackgroundColor(mContext.getResources()
 353                                 .getColor(R.color.background_color));
 354                     }
 355
 356
 357                 } else {
 358                     fileIcon.setImageResource(MimetypeIconUtil.getFileTypeIconId(file.getMimetype(),
 359                             file.getFileName()));
 360                 }
 361
 362             } else {
 363                 // Folder
 364                 fileIcon.setImageResource(
 365                         MimetypeIconUtil.getFolderTypeIconId(
 366                                 checkIfFileIsSharedWithMe(file), file.isShareByLink()));
 367             }
 368         }
 369
 370         if (mSelection.get(position) != null) {
 371             view.setBackgroundColor(Color.rgb(248, 248, 248));
 372         } else {
 373             view.setBackgroundColor(Color.WHITE);
 374         }
 375
 376         return view;
 377     }
 378
 379     /**
 380      * Local Folder size in human readable format
 381      *
 382      * @param path
 383      *            String
 384      * @return Size in human readable format
 385      */
 386     private String getFolderSizeHuman(String path) {
 387
 388         File dir = new File(path);
 389
 390         if (dir.exists()) {
 391             long bytes = FileStorageUtils.getFolderSize(dir);
 392             return DisplayUtils.bytesToHumanReadable(bytes);
 393         }
 394
 395         return "0 B";
 396     }
 397
 398     /**
 399      * Local Folder size
 400      * @param dir File
 401      * @return Size in bytes
 402      */
 403     private long getFolderSize(File dir) {
 404         if (dir.exists()) {
 405             long result = 0;
 406             File[] fileList = dir.listFiles();
 407             for(int i = 0; i < fileList.length; i++) {
 408                 if(fileList[i].isDirectory()) {
 409                     result += getFolderSize(fileList[i]);
 410                 } else {
 411                     result += fileList[i].length();
 412                 }
 413             }
 414             return result;
 415         }
 416         return 0;
 417     }
 418
 419     @Override
 420     public int getViewTypeCount() {
 421         return 1;
 422     }
 423
 424     @Override
 425     public boolean hasStableIds() {
 426         return true;
 427     }
 428
 429     @Override
 430     public boolean isEmpty() {
 431         return (mFiles == null || mFiles.isEmpty());
 432     }
 433
 434     /**
 435      * Change the adapted directory for a new one
 436      * @param directory                 New file to adapt. Can be NULL, meaning
 437      *                                  "no content to adapt".
 438      * @param updatedStorageManager     Optional updated storage manager; used to replace
 439      *                                  mStorageManager if is different (and not NULL)
 440      */
 441     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager
 442             /*, boolean onlyOnDevice*/) {
 443         mFile = directory;
 444         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 445             mStorageManager = updatedStorageManager;
 446             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 447         }
 448         if (mStorageManager != null) {
 449             // TODO Enable when "On Device" is recovered ?
 450             mFiles = mStorageManager.getFolderContent(mFile/*, onlyOnDevice*/);
 451             mFilesOrig.clear();
 452             mFilesOrig.addAll(mFiles);
 453
 454             if (mJustFolders) {
 455                 mFiles = getFolders(mFiles);
 456             }
 457         } else {
 458             mFiles = null;
 459         }
 460
 461         mFiles = FileStorageUtils.sortFolder(mFiles);
 462         notifyDataSetChanged();
 463     }
 464
 465
 466     /**
 467      * Filter for getting only the folders
 468      * @param files
 469      * @return Vector<OCFile>
 470      */
 471     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 472         Vector<OCFile> ret = new Vector<OCFile>();
 473         OCFile current = null;
 474         for (int i=0; i<files.size(); i++) {
 475             current = files.get(i);
 476             if (current.isFolder()) {
 477                 ret.add(current);
 478             }
 479         }
 480         return ret;
 481     }
 482
 483
 484     /**
 485      * Check if parent folder does not include 'S' permission and if file/folder
 486      * is shared with me
 487      *
 488      * @param file: OCFile
 489      * @return boolean: True if it is shared with me and false if it is not
 490      */
 491     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 492         return (mFile.getPermissions() != null
 493                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 494                 && file.getPermissions() != null
 495                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 496     }
 497
 498     public void setSortOrder(Integer order, boolean ascending) {
 499         SharedPreferences.Editor editor = mAppPreferences.edit();
 500         editor.putInt("sortOrder", order);
 501         editor.putBoolean("sortAscending", ascending);
 502         editor.commit();
 503
 504         FileStorageUtils.mSortOrder = order;
 505         FileStorageUtils.mSortAscending = ascending;
 506
 507
 508         mFiles = FileStorageUtils.sortFolder(mFiles);
 509         notifyDataSetChanged();
 510
 511     }
 512
 513     private CharSequence showRelativeTimestamp(OCFile file){
 514         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 515                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 516     }
 517
 518     public void setGridMode(boolean gridMode) {
 519         mGridMode = gridMode;
 520     }
 521
 522     public void setNewSelection(int position, boolean checked) {
 523         mSelection.put(position, checked);
 524         notifyDataSetChanged();
 525     }
 526
 527     public void removeSelection(int position) {
 528         mSelection.remove(position);
 529         notifyDataSetChanged();
 530     }
 531
 532     public void removeSelection(){
 533          mSelection.clear();
 534         notifyDataSetChanged();
 535     }
 536
 537     public ArrayList<Integer> getCheckedItemPositions() {
 538         ArrayList<Integer> ids = new ArrayList<Integer>();
 539
 540         for (Map.Entry<Integer, Boolean> entry : mSelection.entrySet()){
 541             if (entry.getValue()){
 542                 ids.add(entry.getKey());
 543             }
 544         }
 545         return ids;
 546     }
 547 }