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.graphics.BitmapFactory;
  39 import android.graphics.Canvas;
  40 import android.graphics.Paint;
  41 import android.os.Build;
  42 import android.preference.PreferenceManager;
  43 import android.text.format.DateUtils;
  44 import android.view.LayoutInflater;
  45 import android.view.View;
  46 import android.view.ViewGroup;
  47 import android.widget.AbsListView;
  48 import android.widget.BaseAdapter;
  49 import android.widget.ImageView;
  50 import android.widget.LinearLayout;
  51 import android.widget.ListAdapter;
  52 import android.widget.TextView;
  53
  54 import com.owncloud.android.R;
  55 import com.owncloud.android.authentication.AccountUtils;
  56 import com.owncloud.android.datamodel.FileDataStorageManager;
  57 import com.owncloud.android.datamodel.OCFile;
  58 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  59 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  60 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  61 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  62 import com.owncloud.android.ui.activity.ComponentsGetter;
  63 import com.owncloud.android.utils.DisplayUtils;
  64 import com.owncloud.android.utils.FileStorageUtils;
  65 import com.owncloud.android.utils.MimetypeIconUtil;
  66
  67
  68 /**
  69  * This Adapter populates a ListView with all files and folders in an ownCloud
  70  * instance.
  71  */
  72 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  73     private final static String PERMISSION_SHARED_WITH_ME = "S";
  74
  75     private Context mContext;
  76     private OCFile mFile = null;
  77     private Vector<OCFile> mFiles = null;
  78     private Vector<OCFile> mFilesOrig = new Vector<OCFile>();
  79     private boolean mJustFolders;
  80
  81     private FileDataStorageManager mStorageManager;
  82     private Account mAccount;
  83     private ComponentsGetter mTransferServiceGetter;
  84     private boolean mGridMode;
  85
  86     private enum ViewType {LIST_ITEM, GRID_IMAGE, GRID_ITEM };
  87
  88     private SharedPreferences mAppPreferences;
  89
  90     private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
  91
  92     public FileListListAdapter(
  93             boolean justFolders,
  94             Context context,
  95             ComponentsGetter transferServiceGetter
  96             ) {
  97
  98         mJustFolders = justFolders;
  99         mContext = context;
 100         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 101         mTransferServiceGetter = transferServiceGetter;
 102
 103         mAppPreferences = PreferenceManager
 104                 .getDefaultSharedPreferences(mContext);
 105
 106         // Read sorting order, default to sort by name ascending
 107         FileStorageUtils.mSortOrder = mAppPreferences.getInt("sortOrder", 0);
 108         FileStorageUtils.mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
 109
 110         // initialise thumbnails cache on background thread
 111         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
 112
 113         mGridMode = false;
 114     }
 115
 116     @Override
 117     public boolean areAllItemsEnabled() {
 118         return true;
 119     }
 120
 121     @Override
 122     public boolean isEnabled(int position) {
 123         return true;
 124     }
 125
 126     @Override
 127     public int getCount() {
 128         return mFiles != null ? mFiles.size() : 0;
 129     }
 130
 131     @Override
 132     public Object getItem(int position) {
 133         if (mFiles == null || mFiles.size() <= position)
 134             return null;
 135         return mFiles.get(position);
 136     }
 137
 138     @Override
 139     public long getItemId(int position) {
 140         if (mFiles == null || mFiles.size() <= position)
 141             return 0;
 142         return mFiles.get(position).getFileId();
 143     }
 144
 145     @Override
 146     public int getItemViewType(int position) {
 147         return 0;
 148     }
 149
 150     @Override
 151     public View getView(int position, View convertView, ViewGroup parent) {
 152
 153         View view = convertView;
 154         OCFile file = null;
 155         LayoutInflater inflator = (LayoutInflater) mContext
 156                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 157
 158         if (mFiles != null && mFiles.size() > position) {
 159             file = mFiles.get(position);
 160         }
 161
 162         // Find out which layout should be displayed
 163         ViewType viewType;
 164         if (!mGridMode){
 165             viewType = ViewType.LIST_ITEM;
 166         } else if (file.isImage() || file.isVideo()){
 167             viewType = ViewType.GRID_IMAGE;
 168         } else {
 169             viewType = ViewType.GRID_ITEM;
 170         }
 171
 172         // create view only if differs, otherwise reuse
 173         if (convertView == null || (convertView != null && convertView.getTag() != viewType)) {
 174             switch (viewType) {
 175                 case GRID_IMAGE:
 176                     view = inflator.inflate(R.layout.grid_image, null);
 177                     view.setTag(ViewType.GRID_IMAGE);
 178                     break;
 179                 case GRID_ITEM:
 180                     view = inflator.inflate(R.layout.grid_item, null);
 181                     view.setTag(ViewType.GRID_ITEM);
 182                     break;
 183                 case LIST_ITEM:
 184                     view = inflator.inflate(R.layout.list_item, null);
 185                     view.setTag(ViewType.LIST_ITEM);
 186                     break;
 187             }
 188         }
 189
 190         view.invalidate();
 191
 192         if (file != null){
 193
 194             ImageView fileIcon = (ImageView) view.findViewById(R.id.thumbnail);
 195
 196             fileIcon.setTag(file.getFileId());
 197             TextView fileName;
 198             String name = file.getFileName();
 199
 200             LinearLayout linearLayout = (LinearLayout) view.findViewById(R.id.ListItemLayout);
 201             linearLayout.setContentDescription("LinearLayout-" + name);
 202
 203             switch (viewType){
 204                 case LIST_ITEM:
 205                     TextView fileSizeV = (TextView) view.findViewById(R.id.last_size);
 206                     TextView fileSizeSeparatorV = (TextView) view.findViewById(R.id.file_separator);
 207                     TextView lastModV = (TextView) view.findViewById(R.id.file_mod);
 208
 209
 210                     lastModV.setVisibility(View.VISIBLE);
 211                     lastModV.setText(showRelativeTimestamp(file));
 212
 213
 214                     fileSizeSeparatorV.setVisibility(View.VISIBLE);
 215                     fileSizeV.setVisibility(View.VISIBLE);
 216                     fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 217
 218 //                    if (!file.isFolder()) {
 219 //                        AbsListView parentList = (AbsListView)parent;
 220 //                        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
 221 //                            if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 222 //                                checkBoxV.setVisibility(View.GONE);
 223 //                            } else {
 224 //                                if (parentList.isItemChecked(position)) {
 225 //                                    checkBoxV.setImageResource(
 226 //                                            R.drawable.ic_checkbox_marked);
 227 //                                } else {
 228 //                                    checkBoxV.setImageResource(
 229 //                                            R.drawable.ic_checkbox_blank_outline);
 230 //                                }
 231 //                                checkBoxV.setVisibility(View.VISIBLE);
 232 //                            }
 233 //                        }
 234
 235                     if (file.isFolder()) {
 236                         fileSizeSeparatorV.setVisibility(View.INVISIBLE);
 237                         fileSizeV.setVisibility(View.INVISIBLE);
 238                     }
 239
 240                 case GRID_ITEM:
 241                     // filename
 242                     fileName = (TextView) view.findViewById(R.id.Filename);
 243                     name = file.getFileName();
 244                     fileName.setText(name);
 245
 246                 case GRID_IMAGE:
 247                     // sharedIcon
 248                     ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 249                     if (file.isShareByLink()) {
 250                         sharedIconV.setVisibility(View.VISIBLE);
 251                         sharedIconV.bringToFront();
 252                     } else {
 253                         sharedIconV.setVisibility(View.GONE);
 254                     }
 255
 256                     // local state
 257                     ImageView localStateView = (ImageView) view.findViewById(R.id.localFileIndicator);
 258                     localStateView.bringToFront();
 259                     FileDownloaderBinder downloaderBinder =
 260                             mTransferServiceGetter.getFileDownloaderBinder();
 261                     FileUploaderBinder uploaderBinder =
 262                             mTransferServiceGetter.getFileUploaderBinder();
 263                     OperationsServiceBinder opsBinder =
 264                             mTransferServiceGetter.getOperationsServiceBinder();
 265
 266                     localStateView.setVisibility(View.INVISIBLE);   // default first
 267
 268                     if ( //synchronizing
 269                                 opsBinder != null &&
 270                                 opsBinder.isSynchronizing(mAccount, file.getRemotePath())
 271                             ) {
 272                         localStateView.setImageResource(R.drawable.synchronizing_file_indicator);
 273                         localStateView.setVisibility(View.VISIBLE);
 274
 275                     } else if ( // downloading
 276                                 downloaderBinder != null &&
 277                                 downloaderBinder.isDownloading(mAccount, file)
 278                             ) {
 279                         localStateView.setImageResource(
 280                                 file.isFolder() ?
 281                                         R.drawable.synchronizing_file_indicator :
 282                                         R.drawable.downloading_file_indicator
 283                         );
 284                         localStateView.setVisibility(View.VISIBLE);
 285
 286                     } else if ( //uploading
 287                                 uploaderBinder != null &&
 288                                 uploaderBinder.isUploading(mAccount, file)
 289                             ) {
 290                         localStateView.setImageResource(
 291                                 file.isFolder() ?
 292                                         R.drawable.synchronizing_file_indicator :
 293                                         R.drawable.uploading_file_indicator
 294                         );
 295                         localStateView.setVisibility(View.VISIBLE);
 296
 297                     } else if (file.getEtagInConflict() != null) {   // conflict
 298                         localStateView.setImageResource(R.drawable.conflict_file_indicator);
 299                         localStateView.setVisibility(View.VISIBLE);
 300
 301                     } else if (file.isDown()) {
 302                         localStateView.setImageResource(R.drawable.local_file_indicator);
 303                         localStateView.setVisibility(View.VISIBLE);
 304                     }
 305
 306                     // share with me icon
 307                     ImageView sharedWithMeIconV = (ImageView)
 308                             view.findViewById(R.id.sharedWithMeIcon);
 309                     sharedWithMeIconV.bringToFront();
 310                     if (checkIfFileIsSharedWithMe(file) &&
 311                             (!file.isFolder() || !mGridMode)) {
 312                         sharedWithMeIconV.setVisibility(View.VISIBLE);
 313                     } else {
 314                         sharedWithMeIconV.setVisibility(View.GONE);
 315                     }
 316
 317                     break;
 318             }
 319
 320             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 321             checkBoxV.setVisibility(View.GONE);
 322
 323             AbsListView parentList = (AbsListView)parent;
 324             if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
 325                 if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 326                     checkBoxV.setVisibility(View.GONE);
 327                 } else if (parentList.getCheckedItemCount() > 0){
 328                     if (parentList.isItemChecked(position)) {
 329                         checkBoxV.setImageResource(
 330                                 android.R.drawable.checkbox_on_background);
 331                     } else {
 332                         checkBoxV.setImageResource(
 333                                 android.R.drawable.checkbox_off_background);
 334                     }
 335                     checkBoxV.setVisibility(View.VISIBLE);
 336                 }
 337             }
 338
 339             // For all Views
 340
 341             // this if-else is needed even though favorite icon is visible by default
 342             // because android reuses views in listview
 343             if (!file.isFavorite()) {
 344                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 345             } else {
 346                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 347             }
 348
 349             // No Folder
 350             if (!file.isFolder()) {
 351                 if ((file.isImage() || file.isVideo()) && file.getRemoteId() != null){
 352                     // Thumbnail in Cache?
 353                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 354                             "t" + String.valueOf(file.getRemoteId()));
 355                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 356
 357                         if (file.isVideo()) {
 358                             Bitmap withOverlay = ThumbnailsCacheManager.addVideoOverlay(thumbnail);
 359                             fileIcon.setImageBitmap(withOverlay);
 360                         } else {
 361                             fileIcon.setImageBitmap(thumbnail);
 362                         }
 363                     } else {
 364                         // generate new Thumbnail
 365                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 366                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 367                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 368                                             fileIcon, mStorageManager, mAccount
 369                                             );
 370                             if (thumbnail == null) {
 371                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 372                             }
 373                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 374                                     new ThumbnailsCacheManager.AsyncDrawable(
 375                                     mContext.getResources(),
 376                                     thumbnail,
 377                                     task
 378                                     );
 379                             fileIcon.setImageDrawable(asyncDrawable);
 380                             task.execute(file, true);
 381                         }
 382                     }
 383
 384                     if (file.getMimetype().equalsIgnoreCase("image/png")) {
 385                         fileIcon.setBackgroundColor(mContext.getResources()
 386                                 .getColor(R.color.background_color));
 387                     }
 388
 389
 390                 } else {
 391                     fileIcon.setImageResource(MimetypeIconUtil.getFileTypeIconId(file.getMimetype(),
 392                             file.getFileName()));
 393                 }
 394
 395             } else {
 396                 // Folder
 397                 fileIcon.setImageResource(
 398                         MimetypeIconUtil.getFolderTypeIconId(
 399                                 checkIfFileIsSharedWithMe(file), file.isShareByLink()));
 400             }
 401         }
 402
 403         if (mSelection.get(position) != null) {
 404             view.setBackgroundColor(Color.rgb(248, 248, 248));
 405         } else {
 406             view.setBackgroundColor(Color.WHITE);
 407         }
 408
 409         return view;
 410     }
 411
 412     @Override
 413     public int getViewTypeCount() {
 414         return 1;
 415     }
 416
 417     @Override
 418     public boolean hasStableIds() {
 419         return true;
 420     }
 421
 422     @Override
 423     public boolean isEmpty() {
 424         return (mFiles == null || mFiles.isEmpty());
 425     }
 426
 427     /**
 428      * Change the adapted directory for a new one
 429      * @param directory                 New file to adapt. Can be NULL, meaning
 430      *                                  "no content to adapt".
 431      * @param updatedStorageManager     Optional updated storage manager; used to replace
 432      *                                  mStorageManager if is different (and not NULL)
 433      */
 434     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager
 435             , boolean onlyOnDevice) {
 436         mFile = directory;
 437         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 438             mStorageManager = updatedStorageManager;
 439             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 440         }
 441         if (mStorageManager != null) {
 442             mFiles = mStorageManager.getFolderContent(mFile, onlyOnDevice);
 443             mFilesOrig.clear();
 444             mFilesOrig.addAll(mFiles);
 445
 446             if (mJustFolders) {
 447                 mFiles = getFolders(mFiles);
 448             }
 449         } else {
 450             mFiles = null;
 451         }
 452
 453         mFiles = FileStorageUtils.sortOcFolder(mFiles);
 454         notifyDataSetChanged();
 455     }
 456
 457
 458     /**
 459      * Filter for getting only the folders
 460      * @param files
 461      * @return Vector<OCFile>
 462      */
 463     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 464         Vector<OCFile> ret = new Vector<OCFile>();
 465         OCFile current = null;
 466         for (int i=0; i<files.size(); i++) {
 467             current = files.get(i);
 468             if (current.isFolder()) {
 469                 ret.add(current);
 470             }
 471         }
 472         return ret;
 473     }
 474
 475
 476     /**
 477      * Check if parent folder does not include 'S' permission and if file/folder
 478      * is shared with me
 479      *
 480      * @param file: OCFile
 481      * @return boolean: True if it is shared with me and false if it is not
 482      */
 483     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 484         return (mFile.getPermissions() != null
 485                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 486                 && file.getPermissions() != null
 487                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 488     }
 489
 490     public void setSortOrder(Integer order, boolean ascending) {
 491         SharedPreferences.Editor editor = mAppPreferences.edit();
 492         editor.putInt("sortOrder", order);
 493         editor.putBoolean("sortAscending", ascending);
 494         editor.commit();
 495
 496         FileStorageUtils.mSortOrder = order;
 497         FileStorageUtils.mSortAscending = ascending;
 498
 499
 500         mFiles = FileStorageUtils.sortOcFolder(mFiles);
 501         notifyDataSetChanged();
 502
 503     }
 504
 505     private CharSequence showRelativeTimestamp(OCFile file){
 506         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 507                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 508     }
 509
 510     public void setGridMode(boolean gridMode) {
 511         mGridMode = gridMode;
 512     }
 513
 514     public boolean isGridMode() {
 515         return mGridMode;
 516     }
 517
 518     public void setNewSelection(int position, boolean checked) {
 519         mSelection.put(position, checked);
 520         notifyDataSetChanged();
 521     }
 522
 523     public void removeSelection(int position) {
 524         mSelection.remove(position);
 525         notifyDataSetChanged();
 526     }
 527
 528     public void removeSelection(){
 529          mSelection.clear();
 530         notifyDataSetChanged();
 531     }
 532
 533     public ArrayList<Integer> getCheckedItemPositions() {
 534         ArrayList<Integer> ids = new ArrayList<Integer>();
 535
 536         for (Map.Entry<Integer, Boolean> entry : mSelection.entrySet()){
 537             if (entry.getValue()){
 538                 ids.add(entry.getKey());
 539             }
 540         }
 541         return ids;
 542     }
 543
 544     public ArrayList<OCFile> getCheckedItems() {
 545         ArrayList<OCFile> files = new ArrayList<OCFile>();
 546
 547         for (Map.Entry<Integer, Boolean> entry : mSelection.entrySet()){
 548             if (entry.getValue()){
 549                 files.add((OCFile) getItem(entry.getKey()));
 550             }
 551         }
 552         return files;
 553     }
 554 }