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.BufferedReader;
  22 import java.io.File;
  23 import java.io.InputStreamReader;
  24 import java.lang.Thread.UncaughtExceptionHandler;
  25 import java.net.URLEncoder;
  26 import java.util.ArrayList;
  27
  28 import android.accounts.Account;
  29 import android.accounts.AccountManager;
  30 import android.app.AlertDialog;
  31 import android.app.AlertDialog.Builder;
  32 import android.app.Dialog;
  33 import android.content.BroadcastReceiver;
  34 import android.content.ContentResolver;
  35 import android.content.Context;
  36 import android.content.DialogInterface;
  37 import android.content.DialogInterface.OnClickListener;
  38 import android.content.Intent;
  39 import android.content.IntentFilter;
  40 import android.database.Cursor;
  41 import android.net.Uri;
  42 import android.os.Bundle;
  43 import android.provider.MediaStore;
  44 import android.telephony.TelephonyManager;
  45 import android.util.Log;
  46 import android.view.View;
  47 import android.view.ViewGroup;
  48 import android.widget.ArrayAdapter;
  49 import android.widget.CheckedTextView;
  50 import android.widget.EditText;
  51 import android.widget.TextView;
  52
  53 import com.actionbarsherlock.app.ActionBar;
  54 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  55 import com.actionbarsherlock.app.SherlockFragmentActivity;
  56 import com.actionbarsherlock.view.Menu;
  57 import com.actionbarsherlock.view.MenuInflater;
  58 import com.actionbarsherlock.view.MenuItem;
  59 import com.actionbarsherlock.view.Window;
  60
  61 import eu.alefzero.owncloud.AccountUtils;
  62 import eu.alefzero.owncloud.CrashHandler;
  63 import eu.alefzero.owncloud.R;
  64 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  65 import eu.alefzero.owncloud.datamodel.DataStorageManager;
  66 import eu.alefzero.owncloud.datamodel.FileDataStorageManager;
  67 import eu.alefzero.owncloud.datamodel.OCFile;
  68 import eu.alefzero.owncloud.files.services.FileUploader;
  69 import eu.alefzero.owncloud.syncadapter.FileSyncService;
  70 import eu.alefzero.owncloud.ui.fragment.FileDetailFragment;
  71 import eu.alefzero.owncloud.ui.fragment.FileListFragment;
  72 import eu.alefzero.webdav.WebdavClient;
  73
  74 /**
  75  * Displays, what files the user has available in his ownCloud.
  76  *
  77  * @author Bartek Przybylski
  78  *
  79  */
  80
  81 public class FileDisplayActivity extends SherlockFragmentActivity implements
  82         OnNavigationListener, OnClickListener, android.view.View.OnClickListener {
  83     private ArrayAdapter<String> mDirectories;
  84     private DataStorageManager mStorageManager;
  85     private FileListFragment mFileList;
  86     private OCFile mCurrentDir;
  87     private String[] mDirs = null;
  88
  89     private SyncBroadcastReceiver syncBroadcastRevceiver;
  90
  91     private static final String KEY_DIR_ARRAY = "DIR_ARRAY";
  92     private static final String KEY_CURRENT_DIR = "DIR";
  93
  94     private static final int DIALOG_SETUP_ACCOUNT = 0;
  95     private static final int DIALOG_CREATE_DIR = 1;
  96     private static final int ACTION_SELECT_FILE = 1;
  97
  98     @Override
  99     public void onCreate(Bundle savedInstanceState) {
 100         super.onCreate(savedInstanceState);
 101
 102         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 103         setProgressBarIndeterminateVisibility(false);
 104
 105         Thread.setDefaultUncaughtExceptionHandler(new CrashHandler(getApplicationContext()));
 106
 107         if(savedInstanceState != null){
 108             mCurrentDir = (OCFile) savedInstanceState.getParcelable(KEY_CURRENT_DIR);
 109         }
 110     }
 111
 112     @Override
 113     public boolean onCreateOptionsMenu(Menu menu) {
 114         MenuInflater inflater = getSherlock().getMenuInflater();
 115             inflater.inflate(R.menu.menu, menu);
 116             return true;
 117     }
 118
 119     @Override
 120     public boolean onOptionsItemSelected(MenuItem item) {
 121         boolean retval = true;
 122         switch (item.getItemId()) {
 123             case R.id.createDirectoryItem: {
 124                 showDialog(DIALOG_CREATE_DIR);
 125                 break;
 126             }
 127             case R.id.startSync: {
 128                 Bundle bundle = new Bundle();
 129                 bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 130                 ContentResolver.requestSync(
 131                         AccountUtils.getCurrentOwnCloudAccount(this),
 132                         "org.owncloud", bundle);
 133                 break;
 134             }
 135             case R.id.action_upload: {
 136                 Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 137                 action = action.setType("*/*")
 138                         .addCategory(Intent.CATEGORY_OPENABLE);
 139                 startActivityForResult(
 140                         Intent.createChooser(action, "Upload file from..."),
 141                         ACTION_SELECT_FILE);
 142                 break;
 143             }
 144             case R.id.action_settings: {
 145                 Intent settingsIntent = new Intent(this, Preferences.class);
 146                 startActivity(settingsIntent);
 147             }
 148             case android.R.id.home: {
 149                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 150                     onBackPressed();
 151                 }
 152                 break;
 153             }
 154             default:
 155                 retval = false;
 156         }
 157         return retval;
 158     }
 159
 160     @Override
 161     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 162         int i = itemPosition;
 163         while (i-- != 0) {
 164             onBackPressed();
 165         }
 166         return true;
 167     }
 168
 169     /**
 170      * Called, when the user selected something for uploading
 171      */
 172     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 173         if (resultCode == RESULT_OK) {
 174             if (requestCode == ACTION_SELECT_FILE) {
 175                 Uri selectedImageUri = data.getData();
 176
 177                 String filemanagerstring = selectedImageUri.getPath();
 178                 String selectedImagePath = getPath(selectedImageUri);
 179                 String filepath;
 180
 181                 if (selectedImagePath != null)
 182                     filepath = selectedImagePath;
 183                 else
 184                     filepath = filemanagerstring;
 185
 186                 if (filepath == null) {
 187                     Log.e("FileDisplay", "Couldnt resolve path to file");
 188                     return;
 189                 }
 190
 191                 Intent i = new Intent(this, FileUploader.class);
 192                 i.putExtra(FileUploader.KEY_ACCOUNT,
 193                         AccountUtils.getCurrentOwnCloudAccount(this));
 194                 String remotepath = new String();
 195                 for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 196                     remotepath += "/" + URLEncoder.encode(mDirectories.getItem(j));
 197                 }
 198                 if (!remotepath.endsWith("/"))
 199                     remotepath += "/";
 200                 remotepath += URLEncoder.encode(new File(filepath).getName());
 201
 202                 i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 203                 i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 204                 i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 205                 startService(i);
 206             }
 207         }
 208     }
 209
 210     @Override
 211     public void onBackPressed() {
 212         if (mDirectories == null || mDirectories.getCount() <= 1) {
 213             finish();
 214             return;
 215         }
 216         popDirname();
 217         mFileList.onNavigateUp();
 218         mCurrentDir = mFileList.getCurrentFile();
 219
 220         if(mCurrentDir.getParentId() == 0){
 221             ActionBar actionBar = getSupportActionBar();
 222             actionBar.setDisplayHomeAsUpEnabled(false);
 223         }
 224     }
 225
 226     @Override
 227     protected void onRestoreInstanceState(Bundle savedInstanceState) {
 228         super.onRestoreInstanceState(savedInstanceState);
 229         mDirs = savedInstanceState.getStringArray(KEY_DIR_ARRAY);
 230         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 231         mDirectories.add("/");
 232         if (mDirs != null)
 233             for (String s : mDirs)
 234                 mDirectories.insert(s, 0);
 235     }
 236
 237     @Override
 238     protected void onSaveInstanceState(Bundle outState) {
 239         super.onSaveInstanceState(outState);
 240         if(mDirectories != null && mDirectories.getCount() != 0){
 241             mDirs = new String[mDirectories.getCount()-1];
 242             for (int j = mDirectories.getCount() - 2, i = 0; j >= 0; --j, ++i) {
 243                 mDirs[i] = mDirectories.getItem(j);
 244             }
 245         }
 246         outState.putStringArray(KEY_DIR_ARRAY, mDirs);
 247         outState.putParcelable(KEY_CURRENT_DIR, mCurrentDir);
 248     }
 249
 250     @Override
 251     protected void onResume() {
 252         super.onResume();
 253
 254         //TODO: Dialog useless -> get rid of this
 255         if (!accountsAreSetup()) {
 256             setContentView(R.layout.no_account_available);
 257             setProgressBarIndeterminateVisibility(false);
 258             getSupportActionBar().setNavigationMode(ActionBar.DISPLAY_SHOW_TITLE);
 259             findViewById(R.id.setup_account).setOnClickListener(this);
 260             return;
 261         } else if (findViewById(R.id.file_list_view) == null) {
 262             setContentView(R.layout.files);
 263         }
 264
 265         // Listen for sync messages
 266         IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 267         syncBroadcastRevceiver = new SyncBroadcastReceiver();
 268         registerReceiver(syncBroadcastRevceiver, syncIntentFilter);
 269
 270         // Storage manager initialization
 271         mStorageManager = new FileDataStorageManager(
 272                 AccountUtils.getCurrentOwnCloudAccount(this),
 273                 getContentResolver());
 274
 275         // File list
 276         mFileList = (FileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 277
 278         // Figure out what directory to list.
 279         // Priority: Intent (here), savedInstanceState (onCreate), root dir (dir is null)
 280         if(getIntent().hasExtra(FileDetailFragment.EXTRA_FILE)){
 281             mCurrentDir = (OCFile) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 282             if(!mCurrentDir.isDirectory()){
 283                 mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 284             }
 285
 286             // Clear intent extra, so rotating the screen will not return us to this directory
 287             getIntent().removeExtra(FileDetailFragment.EXTRA_FILE);
 288         }
 289
 290         // Drop-Down navigation and file list restore
 291         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 292
 293
 294         // Given the case we have a file to display:
 295         if(mCurrentDir != null){
 296             ArrayList<OCFile> files = new ArrayList<OCFile>();
 297             OCFile currFile = mCurrentDir;
 298             while(currFile != null){
 299                 files.add(currFile);
 300                 currFile = mStorageManager.getFileById(currFile.getParentId());
 301             }
 302
 303             // Insert in mDirs
 304             mDirs = new String[files.size()];
 305             for(int i = files.size() - 1; i >= 0; i--){
 306                 mDirs[i] = files.get(i).getFileName();
 307             }
 308         }
 309
 310         if (mDirs != null) {
 311             for (String s : mDirs)
 312                 mDirectories.add(s);
 313         } else {
 314             mDirectories.add("/");
 315         }
 316
 317         // Actionbar setup
 318         ActionBar action_bar = getSupportActionBar();
 319         action_bar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 320         action_bar.setDisplayShowTitleEnabled(false);
 321         action_bar.setListNavigationCallbacks(mDirectories, this);
 322         if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 323             action_bar.setDisplayHomeAsUpEnabled(true);
 324         } else {
 325             action_bar.setDisplayHomeAsUpEnabled(false);
 326         }
 327
 328         // List dir here
 329         mFileList.listDirectory(mCurrentDir);
 330     }
 331
 332     @Override
 333     protected void onPause() {
 334         super.onPause();
 335         if (syncBroadcastRevceiver != null) {
 336             unregisterReceiver(syncBroadcastRevceiver);
 337             syncBroadcastRevceiver = null;
 338         }
 339
 340     }
 341
 342     @Override
 343     protected Dialog onCreateDialog(int id) {
 344         Dialog dialog;
 345         AlertDialog.Builder builder;
 346         switch (id) {
 347         case DIALOG_SETUP_ACCOUNT:
 348             builder = new AlertDialog.Builder(this);
 349             builder.setTitle(R.string.main_tit_accsetup);
 350             builder.setMessage(R.string.main_wrn_accsetup);
 351             builder.setCancelable(false);
 352             builder.setPositiveButton(android.R.string.ok, this);
 353             builder.setNegativeButton(android.R.string.cancel, this);
 354             dialog = builder.create();
 355             break;
 356         case DIALOG_CREATE_DIR: {
 357             builder = new Builder(this);
 358             final EditText dirNameInput = new EditText(getBaseContext());
 359             final Account a = AccountUtils.getCurrentOwnCloudAccount(this);
 360             builder.setView(dirNameInput);
 361             builder.setTitle(R.string.uploader_info_dirname);
 362             int typed_color = getResources().getColor(R.color.setup_text_typed);
 363             dirNameInput.setTextColor(typed_color);
 364
 365             builder.setPositiveButton(android.R.string.ok,
 366                     new OnClickListener() {
 367                         public void onClick(DialogInterface dialog, int which) {
 368                             String directoryName = dirNameInput.getText().toString();
 369                             if (directoryName.trim().length() == 0) {
 370                                 dialog.cancel();
 371                                 return;
 372                             }
 373
 374                             // Figure out the path where the dir needs to be created
 375                             String path = mCurrentDir.getRemotePath();
 376
 377                             // Create directory
 378                             path += directoryName + "/";
 379                             Thread thread = new Thread(new DirectoryCreator(
 380                                     path, a));
 381                             thread.start();
 382
 383                             // Save new directory in local database
 384                             OCFile newDir = new OCFile(path);
 385                             newDir.setMimetype("DIR");
 386                             newDir.setParentId(mCurrentDir.getFileId());
 387                             mStorageManager.saveFile(newDir);
 388
 389                             // Display the new folder right away
 390                             dialog.dismiss();
 391                             mFileList.listDirectory(mCurrentDir);
 392                         }
 393                     });
 394             builder.setNegativeButton(R.string.common_cancel,
 395                     new OnClickListener() {
 396                         public void onClick(DialogInterface dialog, int which) {
 397                             dialog.cancel();
 398                         }
 399                     });
 400             dialog = builder.create();
 401             break;
 402         }
 403         default:
 404             dialog = null;
 405         }
 406
 407         return dialog;
 408     }
 409
 410
 411     /**
 412      * Responds to the "There are no ownCloud Accounts setup" dialog
 413      * TODO: Dialog is 100% useless -> Remove
 414      */
 415     @Override
 416     public void onClick(DialogInterface dialog, int which) {
 417         // In any case - we won't need it anymore
 418         dialog.dismiss();
 419         switch (which) {
 420         case DialogInterface.BUTTON_POSITIVE:
 421             Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 422             intent.putExtra("authorities",
 423                     new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 424             startActivity(intent);
 425             break;
 426         case DialogInterface.BUTTON_NEGATIVE:
 427             finish();
 428         }
 429
 430     }
 431
 432     /**
 433      * Translates a content URI of an image to a physical path
 434      * on the disk
 435      * @param uri The URI to resolve
 436      * @return The path to the image or null if it could not be found
 437      */
 438     public String getPath(Uri uri) {
 439         String[] projection = { MediaStore.Images.Media.DATA };
 440         Cursor cursor = managedQuery(uri, projection, null, null, null);
 441         if (cursor != null) {
 442             int column_index = cursor
 443                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 444             cursor.moveToFirst();
 445             return cursor.getString(column_index);
 446         }
 447         return null;
 448     }
 449
 450     /**
 451      * Pushes a directory to the drop down list
 452      * @param directory to push
 453      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 454      */
 455     public void pushDirname(OCFile directory) {
 456         if(!directory.isDirectory()){
 457             throw new IllegalArgumentException("Only directories may be pushed!");
 458         }
 459         mDirectories.insert(directory.getFileName(), 0);
 460         mCurrentDir = directory;
 461     }
 462
 463     /**
 464      * Pops a directory name from the drop down list
 465      * @return True, unless the stack is empty
 466      */
 467     public boolean popDirname() {
 468         mDirectories.remove(mDirectories.getItem(0));
 469         return !mDirectories.isEmpty();
 470     }
 471
 472     /**
 473      * Checks, whether or not there are any ownCloud accounts setup.
 474      *
 475      * @return true, if there is at least one account.
 476      */
 477     private boolean accountsAreSetup() {
 478         AccountManager accMan = AccountManager.get(this);
 479         Account[] accounts = accMan
 480                 .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
 481         return accounts.length > 0;
 482     }
 483
 484     private class DirectoryCreator implements Runnable {
 485         private String mTargetPath;
 486         private Account mAccount;
 487         private AccountManager mAm;
 488
 489         public DirectoryCreator(String targetPath, Account account) {
 490             mTargetPath = targetPath;
 491             mAccount = account;
 492             mAm = (AccountManager) getSystemService(ACCOUNT_SERVICE);
 493         }
 494
 495         @Override
 496         public void run() {
 497             WebdavClient wdc = new WebdavClient(Uri.parse(mAm.getUserData(
 498                     mAccount, AccountAuthenticator.KEY_OC_URL)));
 499
 500             String username = mAccount.name.substring(0,
 501                     mAccount.name.lastIndexOf('@'));
 502             String password = mAm.getPassword(mAccount);
 503
 504             wdc.setCredentials(username, password);
 505             wdc.allowSelfsignedCertificates();
 506             wdc.createDirectory(mTargetPath);
 507         }
 508
 509     }
 510
 511     // Custom array adapter to override text colors
 512     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 513
 514         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 515             super(ctx, view);
 516         }
 517
 518         public View getView(int position, View convertView, ViewGroup parent) {
 519             View v = super.getView(position, convertView, parent);
 520
 521             ((TextView) v).setTextColor(getResources().getColorStateList(
 522                     android.R.color.white));
 523             return v;
 524         }
 525
 526         public View getDropDownView(int position, View convertView,
 527                 ViewGroup parent) {
 528             View v = super.getDropDownView(position, convertView, parent);
 529
 530             ((TextView) v).setTextColor(getResources().getColorStateList(
 531                     android.R.color.white));
 532
 533             return v;
 534         }
 535
 536     }
 537
 538     private class SyncBroadcastReceiver extends BroadcastReceiver {
 539         /**
 540          * {@link BroadcastReceiver} to enable syncing feedback in UI
 541          */
 542         @Override
 543         public void onReceive(Context context, Intent intent) {
 544             boolean inProgress = intent.getBooleanExtra(
 545                     FileSyncService.IN_PROGRESS, false);
 546             String account_name = intent
 547                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 548             Log.d("FileDisplay", "sync of account " + account_name
 549                     + " is in_progress: " + inProgress);
 550             setProgressBarIndeterminateVisibility(inProgress);
 551             if (!inProgress) {
 552                 FileListFragment fileListFramgent = (FileListFragment) getSupportFragmentManager()
 553                         .findFragmentById(R.id.fileList);
 554                 if (fileListFramgent != null)
 555                     fileListFramgent.listDirectory();
 556             }
 557         }
 558
 559     }
 560
 561     @Override
 562     public void onClick(View v) {
 563         if (v.getId() == R.id.setup_account) {
 564             Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 565             intent.putExtra("authorities", new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 566             startActivity(intent);
 567         }
 568     }
 569 }