src/eu/alefzero/owncloud/ui/activity/FileDisplayActivity.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   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
  19 package eu.alefzero.owncloud.ui.activity;
  20
  21 import java.io.File;
  22 import java.net.URLEncoder;
  23 import java.util.ArrayList;
  24
  25 import android.accounts.Account;
  26 import android.accounts.AccountManager;
  27 import android.app.AlertDialog;
  28 import android.app.AlertDialog.Builder;
  29 import android.app.Dialog;
  30 import android.content.BroadcastReceiver;
  31 import android.content.ContentResolver;
  32 import android.content.Context;
  33 import android.content.DialogInterface;
  34 import android.content.DialogInterface.OnClickListener;
  35 import android.content.Intent;
  36 import android.content.IntentFilter;
  37 import android.database.Cursor;
  38 import android.net.Uri;
  39 import android.os.Bundle;
  40 import android.provider.MediaStore;
  41 import android.util.Log;
  42 import android.view.View;
  43 import android.view.ViewGroup;
  44 import android.widget.ArrayAdapter;
  45 import android.widget.CheckedTextView;
  46 import android.widget.EditText;
  47 import android.widget.TextView;
  48
  49 import com.actionbarsherlock.app.ActionBar;
  50 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  51 import com.actionbarsherlock.app.SherlockFragmentActivity;
  52 import com.actionbarsherlock.view.Menu;
  53 import com.actionbarsherlock.view.MenuInflater;
  54 import com.actionbarsherlock.view.MenuItem;
  55 import com.actionbarsherlock.view.Window;
  56
  57 import eu.alefzero.owncloud.AccountUtils;
  58 import eu.alefzero.owncloud.R;
  59 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  60 import eu.alefzero.owncloud.datamodel.DataStorageManager;
  61 import eu.alefzero.owncloud.datamodel.FileDataStorageManager;
  62 import eu.alefzero.owncloud.datamodel.OCFile;
  63 import eu.alefzero.owncloud.files.services.FileUploader;
  64 import eu.alefzero.owncloud.syncadapter.FileSyncService;
  65 import eu.alefzero.owncloud.ui.fragment.FileDetailFragment;
  66 import eu.alefzero.owncloud.ui.fragment.FileListFragment;
  67 import eu.alefzero.webdav.WebdavClient;
  68
  69 /**
  70  * Displays, what files the user has available in his ownCloud.
  71  *
  72  * @author Bartek Przybylski
  73  *
  74  */
  75
  76 public class FileDisplayActivity extends SherlockFragmentActivity implements
  77         OnNavigationListener, OnClickListener, android.view.View.OnClickListener {
  78     private ArrayAdapter<String> mDirectories;
  79     private DataStorageManager mStorageManager;
  80     private FileListFragment mFileList;
  81     private OCFile mCurrentDir;
  82     private String[] mDirs = null;
  83
  84     private SyncBroadcastReceiver syncBroadcastRevceiver;
  85
  86     private static final String KEY_DIR_ARRAY = "DIR_ARRAY";
  87     private static final String KEY_CURRENT_DIR = "DIR";
  88
  89     private static final int DIALOG_SETUP_ACCOUNT = 0;
  90     private static final int DIALOG_CREATE_DIR = 1;
  91     private static final int ACTION_SELECT_FILE = 1;
  92
  93     @Override
  94     public void onCreate(Bundle savedInstanceState) {
  95         super.onCreate(savedInstanceState);
  96
  97         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
  98         setProgressBarIndeterminateVisibility(false);
  99
 100         if(savedInstanceState != null){
 101             mCurrentDir = (OCFile) savedInstanceState.getParcelable(KEY_CURRENT_DIR);
 102         }
 103     }
 104
 105     @Override
 106     public boolean onCreateOptionsMenu(Menu menu) {
 107         MenuInflater inflater = getSherlock().getMenuInflater();
 108             inflater.inflate(R.menu.menu, menu);
 109             return true;
 110     }
 111
 112     @Override
 113     public boolean onOptionsItemSelected(MenuItem item) {
 114         boolean retval = true;
 115         switch (item.getItemId()) {
 116             case R.id.createDirectoryItem: {
 117                 showDialog(DIALOG_CREATE_DIR);
 118                 break;
 119             }
 120             case R.id.startSync: {
 121                 Bundle bundle = new Bundle();
 122                 bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 123                 ContentResolver.requestSync(
 124                         AccountUtils.getCurrentOwnCloudAccount(this),
 125                         "org.owncloud", bundle);
 126                 break;
 127             }
 128             case R.id.action_upload: {
 129                 Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 130                 action = action.setType("*/*")
 131                         .addCategory(Intent.CATEGORY_OPENABLE);
 132                 startActivityForResult(
 133                         Intent.createChooser(action, "Upload file from..."),
 134                         ACTION_SELECT_FILE);
 135                 break;
 136             }
 137             case R.id.action_settings: {
 138                 Intent settingsIntent = new Intent(this, Preferences.class);
 139                 startActivity(settingsIntent);
 140             }
 141             case android.R.id.home: {
 142                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 143                     onBackPressed();
 144                 }
 145                 break;
 146             }
 147             default:
 148                 retval = false;
 149         }
 150         return retval;
 151     }
 152
 153     @Override
 154     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 155         int i = itemPosition;
 156         while (i-- != 0) {
 157             onBackPressed();
 158         }
 159         return true;
 160     }
 161
 162     /**
 163      * Called, when the user selected something for uploading
 164      */
 165     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 166         if (resultCode == RESULT_OK) {
 167             if (requestCode == ACTION_SELECT_FILE) {
 168                 Uri selectedImageUri = data.getData();
 169
 170                 String filemanagerstring = selectedImageUri.getPath();
 171                 String selectedImagePath = getPath(selectedImageUri);
 172                 String filepath;
 173
 174                 if (selectedImagePath != null)
 175                     filepath = selectedImagePath;
 176                 else
 177                     filepath = filemanagerstring;
 178
 179                 if (filepath == null) {
 180                     Log.e("FileDisplay", "Couldnt resolve path to file");
 181                     return;
 182                 }
 183
 184                 Intent i = new Intent(this, FileUploader.class);
 185                 i.putExtra(FileUploader.KEY_ACCOUNT,
 186                         AccountUtils.getCurrentOwnCloudAccount(this));
 187                 String remotepath = new String();
 188                 for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 189                     remotepath += "/" + URLEncoder.encode(mDirectories.getItem(j));
 190                 }
 191                 if (!remotepath.endsWith("/"))
 192                     remotepath += "/";
 193                 remotepath += URLEncoder.encode(new File(filepath).getName());
 194
 195                 i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 196                 i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 197                 i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 198                 startService(i);
 199             }
 200         }
 201     }
 202
 203     @Override
 204     public void onBackPressed() {
 205         if (mDirectories == null || mDirectories.getCount() <= 1) {
 206             finish();
 207             return;
 208         }
 209         popDirname();
 210         mFileList.onNavigateUp();
 211         mCurrentDir = mFileList.getCurrentFile();
 212
 213         if(mCurrentDir.getParentId() == 0){
 214             ActionBar actionBar = getSupportActionBar();
 215             actionBar.setDisplayHomeAsUpEnabled(false);
 216         }
 217     }
 218
 219     @Override
 220     protected void onRestoreInstanceState(Bundle savedInstanceState) {
 221         super.onRestoreInstanceState(savedInstanceState);
 222         mDirs = savedInstanceState.getStringArray(KEY_DIR_ARRAY);
 223         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 224         mDirectories.add("/");
 225         if (mDirs != null)
 226             for (String s : mDirs)
 227                 mDirectories.insert(s, 0);
 228     }
 229
 230     @Override
 231     protected void onSaveInstanceState(Bundle outState) {
 232         super.onSaveInstanceState(outState);
 233         if(mDirectories != null && mDirectories.getCount() != 0){
 234             mDirs = new String[mDirectories.getCount()-1];
 235             for (int j = mDirectories.getCount() - 2, i = 0; j >= 0; --j, ++i) {
 236                 mDirs[i] = mDirectories.getItem(j);
 237             }
 238         }
 239         outState.putStringArray(KEY_DIR_ARRAY, mDirs);
 240         outState.putParcelable(KEY_CURRENT_DIR, mCurrentDir);
 241     }
 242
 243     @Override
 244     protected void onResume() {
 245         super.onResume();
 246
 247         //TODO: Dialog useless -> get rid of this
 248         if (!accountsAreSetup()) {
 249             setContentView(R.layout.no_account_available);
 250             setProgressBarIndeterminateVisibility(false);
 251             getSupportActionBar().setNavigationMode(ActionBar.DISPLAY_SHOW_TITLE);
 252             findViewById(R.id.setup_account).setOnClickListener(this);
 253             return;
 254         } else if (findViewById(R.id.file_list_view) == null) {
 255             setContentView(R.layout.files);
 256         }
 257
 258         // Listen for sync messages
 259         IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 260         syncBroadcastRevceiver = new SyncBroadcastReceiver();
 261         registerReceiver(syncBroadcastRevceiver, syncIntentFilter);
 262
 263         // Storage manager initialization
 264         mStorageManager = new FileDataStorageManager(
 265                 AccountUtils.getCurrentOwnCloudAccount(this),
 266                 getContentResolver());
 267
 268         // File list
 269         mFileList = (FileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 270
 271         // Figure out what directory to list.
 272         // Priority: Intent (here), savedInstanceState (onCreate), root dir (dir is null)
 273         if(getIntent().hasExtra(FileDetailFragment.EXTRA_FILE)){
 274             mCurrentDir = (OCFile) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 275             if(!mCurrentDir.isDirectory()){
 276                 mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 277             }
 278
 279             // Clear intent extra, so rotating the screen will not return us to this directory
 280             getIntent().removeExtra(FileDetailFragment.EXTRA_FILE);
 281         }
 282
 283         // Drop-Down navigation and file list restore
 284         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 285
 286
 287         // Given the case we have a file to display:
 288         if(mCurrentDir != null){
 289             ArrayList<OCFile> files = new ArrayList<OCFile>();
 290             OCFile currFile = mCurrentDir;
 291             while(currFile != null){
 292                 files.add(currFile);
 293                 currFile = mStorageManager.getFileById(currFile.getParentId());
 294             }
 295
 296             // Insert in mDirs
 297             mDirs = new String[files.size()];
 298             for(int i = files.size() - 1; i >= 0; i--){
 299                 mDirs[i] = files.get(i).getFileName();
 300             }
 301         }
 302
 303         if (mDirs != null) {
 304             for (String s : mDirs)
 305                 mDirectories.add(s);
 306         } else {
 307             mDirectories.add("/");
 308         }
 309
 310         // Actionbar setup
 311         ActionBar action_bar = getSupportActionBar();
 312         action_bar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 313         action_bar.setDisplayShowTitleEnabled(false);
 314         action_bar.setListNavigationCallbacks(mDirectories, this);
 315         if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 316             action_bar.setDisplayHomeAsUpEnabled(true);
 317         } else {
 318             action_bar.setDisplayHomeAsUpEnabled(false);
 319         }
 320
 321         // List dir here
 322         mFileList.listDirectory(mCurrentDir);
 323     }
 324
 325     @Override
 326     protected void onPause() {
 327         super.onPause();
 328         if (syncBroadcastRevceiver != null) {
 329             unregisterReceiver(syncBroadcastRevceiver);
 330             syncBroadcastRevceiver = null;
 331         }
 332
 333     }
 334
 335     @Override
 336     protected Dialog onCreateDialog(int id) {
 337         Dialog dialog;
 338         AlertDialog.Builder builder;
 339         switch (id) {
 340         case DIALOG_SETUP_ACCOUNT:
 341             builder = new AlertDialog.Builder(this);
 342             builder.setTitle(R.string.main_tit_accsetup);
 343             builder.setMessage(R.string.main_wrn_accsetup);
 344             builder.setCancelable(false);
 345             builder.setPositiveButton(android.R.string.ok, this);
 346             builder.setNegativeButton(android.R.string.cancel, this);
 347             dialog = builder.create();
 348             break;
 349         case DIALOG_CREATE_DIR: {
 350             builder = new Builder(this);
 351             final EditText dirNameInput = new EditText(getBaseContext());
 352             final Account a = AccountUtils.getCurrentOwnCloudAccount(this);
 353             builder.setView(dirNameInput);
 354             builder.setTitle(R.string.uploader_info_dirname);
 355             int typed_color = getResources().getColor(R.color.setup_text_typed);
 356             dirNameInput.setTextColor(typed_color);
 357
 358             builder.setPositiveButton(android.R.string.ok,
 359                     new OnClickListener() {
 360                         public void onClick(DialogInterface dialog, int which) {
 361                             String directoryName = dirNameInput.getText().toString();
 362                             if (directoryName.trim().length() == 0) {
 363                                 dialog.cancel();
 364                                 return;
 365                             }
 366
 367                             // Figure out the path where the dir needs to be created
 368                             String path = mCurrentDir.getRemotePath();
 369
 370                             // Create directory
 371                             path += directoryName + "/";
 372                             Thread thread = new Thread(new DirectoryCreator(
 373                                     path, a));
 374                             thread.start();
 375
 376                             // Save new directory in local database
 377                             OCFile newDir = new OCFile(path);
 378                             newDir.setMimetype("DIR");
 379                             newDir.setParentId(mCurrentDir.getFileId());
 380                             mStorageManager.saveFile(newDir);
 381
 382                             // Display the new folder right away
 383                             dialog.dismiss();
 384                             mFileList.listDirectory(mCurrentDir);
 385                         }
 386                     });
 387             builder.setNegativeButton(R.string.common_cancel,
 388                     new OnClickListener() {
 389                         public void onClick(DialogInterface dialog, int which) {
 390                             dialog.cancel();
 391                         }
 392                     });
 393             dialog = builder.create();
 394             break;
 395         }
 396         default:
 397             dialog = null;
 398         }
 399
 400         return dialog;
 401     }
 402
 403
 404     /**
 405      * Responds to the "There are no ownCloud Accounts setup" dialog
 406      * TODO: Dialog is 100% useless -> Remove
 407      */
 408     @Override
 409     public void onClick(DialogInterface dialog, int which) {
 410         // In any case - we won't need it anymore
 411         dialog.dismiss();
 412         switch (which) {
 413         case DialogInterface.BUTTON_POSITIVE:
 414             Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 415             intent.putExtra("authorities",
 416                     new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 417             startActivity(intent);
 418             break;
 419         case DialogInterface.BUTTON_NEGATIVE:
 420             finish();
 421         }
 422
 423     }
 424
 425     /**
 426      * Translates a content URI of an image to a physical path
 427      * on the disk
 428      * @param uri The URI to resolve
 429      * @return The path to the image or null if it could not be found
 430      */
 431     public String getPath(Uri uri) {
 432         String[] projection = { MediaStore.Images.Media.DATA };
 433         Cursor cursor = managedQuery(uri, projection, null, null, null);
 434         if (cursor != null) {
 435             int column_index = cursor
 436                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 437             cursor.moveToFirst();
 438             return cursor.getString(column_index);
 439         }
 440         return null;
 441     }
 442
 443     /**
 444      * Pushes a directory to the drop down list
 445      * @param directory to push
 446      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 447      */
 448     public void pushDirname(OCFile directory) {
 449         if(!directory.isDirectory()){
 450             throw new IllegalArgumentException("Only directories may be pushed!");
 451         }
 452         mDirectories.insert(directory.getFileName(), 0);
 453         mCurrentDir = directory;
 454     }
 455
 456     /**
 457      * Pops a directory name from the drop down list
 458      * @return True, unless the stack is empty
 459      */
 460     public boolean popDirname() {
 461         mDirectories.remove(mDirectories.getItem(0));
 462         return !mDirectories.isEmpty();
 463     }
 464
 465     /**
 466      * Checks, whether or not there are any ownCloud accounts setup.
 467      *
 468      * @return true, if there is at least one account.
 469      */
 470     private boolean accountsAreSetup() {
 471         AccountManager accMan = AccountManager.get(this);
 472         Account[] accounts = accMan
 473                 .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
 474         return accounts.length > 0;
 475     }
 476
 477     private class DirectoryCreator implements Runnable {
 478         private String mTargetPath;
 479         private Account mAccount;
 480         private AccountManager mAm;
 481
 482         public DirectoryCreator(String targetPath, Account account) {
 483             mTargetPath = targetPath;
 484             mAccount = account;
 485             mAm = (AccountManager) getSystemService(ACCOUNT_SERVICE);
 486         }
 487
 488         @Override
 489         public void run() {
 490             WebdavClient wdc = new WebdavClient(Uri.parse(mAm.getUserData(
 491                     mAccount, AccountAuthenticator.KEY_OC_URL)));
 492
 493             String username = mAccount.name.substring(0,
 494                     mAccount.name.lastIndexOf('@'));
 495             String password = mAm.getPassword(mAccount);
 496
 497             wdc.setCredentials(username, password);
 498             wdc.allowSelfsignedCertificates();
 499             wdc.createDirectory(mTargetPath);
 500         }
 501
 502     }
 503
 504     // Custom array adapter to override text colors
 505     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 506
 507         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 508             super(ctx, view);
 509         }
 510
 511         public View getView(int position, View convertView, ViewGroup parent) {
 512             View v = super.getView(position, convertView, parent);
 513
 514             ((TextView) v).setTextColor(getResources().getColorStateList(
 515                     android.R.color.white));
 516             return v;
 517         }
 518
 519         public View getDropDownView(int position, View convertView,
 520                 ViewGroup parent) {
 521             View v = super.getDropDownView(position, convertView, parent);
 522
 523             ((TextView) v).setTextColor(getResources().getColorStateList(
 524                     android.R.color.white));
 525
 526             return v;
 527         }
 528
 529     }
 530
 531     private class SyncBroadcastReceiver extends BroadcastReceiver {
 532         /**
 533          * {@link BroadcastReceiver} to enable syncing feedback in UI
 534          */
 535         @Override
 536         public void onReceive(Context context, Intent intent) {
 537             boolean inProgress = intent.getBooleanExtra(
 538                     FileSyncService.IN_PROGRESS, false);
 539             String account_name = intent
 540                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 541             Log.d("FileDisplay", "sync of account " + account_name
 542                     + " is in_progress: " + inProgress);
 543             setProgressBarIndeterminateVisibility(inProgress);
 544             if (!inProgress) {
 545                 FileListFragment fileListFramgent = (FileListFragment) getSupportFragmentManager()
 546                         .findFragmentById(R.id.fileList);
 547                 if (fileListFramgent != null)
 548                     fileListFramgent.listDirectory();
 549             }
 550         }
 551
 552     }
 553
 554     @Override
 555     public void onClick(View v) {
 556         if (v.getId() == R.id.setup_account) {
 557             Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 558             intent.putExtra("authorities", new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 559             startActivity(intent);
 560         }
 561     }
 562
 563 }