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.content.pm.PackageInfo;
  41 import android.content.pm.PackageManager;
  42 import android.content.pm.PackageManager.NameNotFoundException;
  43 import android.database.Cursor;
  44 import android.net.Uri;
  45 import android.os.Bundle;
  46 import android.provider.MediaStore;
  47 import android.telephony.TelephonyManager;
  48 import android.util.Log;
  49 import android.view.View;
  50 import android.view.ViewGroup;
  51 import android.widget.ArrayAdapter;
  52 import android.widget.CheckedTextView;
  53 import android.widget.EditText;
  54 import android.widget.TextView;
  55
  56 import com.actionbarsherlock.app.ActionBar;
  57 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  58 import com.actionbarsherlock.app.SherlockFragmentActivity;
  59 import com.actionbarsherlock.view.Menu;
  60 import com.actionbarsherlock.view.MenuInflater;
  61 import com.actionbarsherlock.view.MenuItem;
  62 import com.actionbarsherlock.view.Window;
  63
  64 import eu.alefzero.owncloud.AccountUtils;
  65 import eu.alefzero.owncloud.CrashHandler;
  66 import eu.alefzero.owncloud.R;
  67 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  68 import eu.alefzero.owncloud.datamodel.DataStorageManager;
  69 import eu.alefzero.owncloud.datamodel.FileDataStorageManager;
  70 import eu.alefzero.owncloud.datamodel.OCFile;
  71 import eu.alefzero.owncloud.files.services.FileUploader;
  72 import eu.alefzero.owncloud.syncadapter.FileSyncService;
  73 import eu.alefzero.owncloud.ui.fragment.FileDetailFragment;
  74 import eu.alefzero.owncloud.ui.fragment.FileListFragment;
  75 import eu.alefzero.webdav.WebdavClient;
  76
  77 /**
  78  * Displays, what files the user has available in his ownCloud.
  79  *
  80  * @author Bartek Przybylski
  81  *
  82  */
  83
  84 public class FileDisplayActivity extends SherlockFragmentActivity implements
  85         OnNavigationListener, OnClickListener, android.view.View.OnClickListener {
  86     private ArrayAdapter<String> mDirectories;
  87     private DataStorageManager mStorageManager;
  88     private FileListFragment mFileList;
  89     private OCFile mCurrentDir;
  90     private String[] mDirs = null;
  91
  92     private SyncBroadcastReceiver syncBroadcastRevceiver;
  93
  94     private View mLayoutView = null;
  95
  96     private static final String KEY_DIR_ARRAY = "DIR_ARRAY";
  97     private static final String KEY_CURRENT_DIR = "DIR";
  98
  99     private static final int DIALOG_SETUP_ACCOUNT = 0;
 100     private static final int DIALOG_CREATE_DIR = 1;
 101     private static final int DIALOG_ABOUT_APP = 2;
 102     private static final int ACTION_SELECT_FILE = 1;
 103
 104     @Override
 105     public void onCreate(Bundle savedInstanceState) {
 106         super.onCreate(savedInstanceState);
 107
 108         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 109         setProgressBarIndeterminateVisibility(false);
 110
 111         Thread.setDefaultUncaughtExceptionHandler(new CrashHandler(getApplicationContext()));
 112
 113         if(savedInstanceState != null){
 114             mCurrentDir = (OCFile) savedInstanceState.getParcelable(KEY_CURRENT_DIR);
 115         }
 116
 117         if (findViewById(R.id.file_list_view) == null)
 118             mLayoutView = getLayoutInflater().inflate(R.layout.files, null);  // always inflate this at onCreate() ; just once!
 119
 120         //TODO: Dialog useless -> get rid of this
 121         if (!accountsAreSetup()) {
 122             setContentView(R.layout.no_account_available);
 123             setProgressBarIndeterminateVisibility(false);
 124             getSupportActionBar().setNavigationMode(ActionBar.DISPLAY_SHOW_TITLE);
 125             findViewById(R.id.setup_account).setOnClickListener(this);
 126
 127         } else if (findViewById(R.id.file_list_view) == null) {
 128             setContentView(mLayoutView);
 129         }
 130
 131     }
 132
 133     @Override
 134     public boolean onCreateOptionsMenu(Menu menu) {
 135         MenuInflater inflater = getSherlock().getMenuInflater();
 136             inflater.inflate(R.menu.menu, menu);
 137             return true;
 138     }
 139
 140     @Override
 141     public boolean onOptionsItemSelected(MenuItem item) {
 142         boolean retval = true;
 143         switch (item.getItemId()) {
 144             case R.id.createDirectoryItem: {
 145                 showDialog(DIALOG_CREATE_DIR);
 146                 break;
 147             }
 148             case R.id.startSync: {
 149                 Bundle bundle = new Bundle();
 150                 bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 151                 ContentResolver.requestSync(
 152                         AccountUtils.getCurrentOwnCloudAccount(this),
 153                         "org.owncloud", bundle);
 154                 break;
 155             }
 156             case R.id.action_upload: {
 157                 Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 158                 action = action.setType("*/*")
 159                         .addCategory(Intent.CATEGORY_OPENABLE);
 160                 startActivityForResult(
 161                         Intent.createChooser(action, "Upload file from..."),
 162                         ACTION_SELECT_FILE);
 163                 break;
 164             }
 165             case R.id.action_settings: {
 166                 Intent settingsIntent = new Intent(this, Preferences.class);
 167                 startActivity(settingsIntent);
 168                 break;
 169             }
 170             case R.id.about_app : {
 171                 showDialog(DIALOG_ABOUT_APP);
 172                 break;
 173             }
 174             case android.R.id.home: {
 175                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 176                     onBackPressed();
 177                 }
 178                 break;
 179             }
 180             default:
 181                 retval = false;
 182         }
 183         return retval;
 184     }
 185
 186     @Override
 187     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 188         int i = itemPosition;
 189         while (i-- != 0) {
 190             onBackPressed();
 191         }
 192         return true;
 193     }
 194
 195     /**
 196      * Called, when the user selected something for uploading
 197      */
 198     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 199         if (resultCode == RESULT_OK) {
 200             if (requestCode == ACTION_SELECT_FILE) {
 201                 Uri selectedImageUri = data.getData();
 202
 203                 String filemanagerstring = selectedImageUri.getPath();
 204                 String selectedImagePath = getPath(selectedImageUri);
 205                 String filepath;
 206
 207                 if (selectedImagePath != null)
 208                     filepath = selectedImagePath;
 209                 else
 210                     filepath = filemanagerstring;
 211
 212                 if (filepath == null) {
 213                     Log.e("FileDisplay", "Couldnt resolve path to file");
 214                     return;
 215                 }
 216
 217                 Intent i = new Intent(this, FileUploader.class);
 218                 i.putExtra(FileUploader.KEY_ACCOUNT,
 219                         AccountUtils.getCurrentOwnCloudAccount(this));
 220                 String remotepath = new String();
 221                 for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 222                     remotepath += "/" + URLEncoder.encode(mDirectories.getItem(j));
 223                 }
 224                 if (!remotepath.endsWith("/"))
 225                     remotepath += "/";
 226                 remotepath += URLEncoder.encode(new File(filepath).getName());
 227
 228                 i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 229                 i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 230                 i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 231                 startService(i);
 232             }
 233         }
 234     }
 235
 236     @Override
 237     public void onBackPressed() {
 238         if (mDirectories == null || mDirectories.getCount() <= 1) {
 239             finish();
 240             return;
 241         }
 242         popDirname();
 243         mFileList.onNavigateUp();
 244         mCurrentDir = mFileList.getCurrentFile();
 245
 246         if(mCurrentDir.getParentId() == 0){
 247             ActionBar actionBar = getSupportActionBar();
 248             actionBar.setDisplayHomeAsUpEnabled(false);
 249         }
 250     }
 251
 252     @Override
 253     protected void onRestoreInstanceState(Bundle savedInstanceState) {
 254         super.onRestoreInstanceState(savedInstanceState);
 255         mDirs = savedInstanceState.getStringArray(KEY_DIR_ARRAY);
 256         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 257         mDirectories.add("/");
 258         if (mDirs != null)
 259             for (String s : mDirs)
 260                 mDirectories.insert(s, 0);
 261         mCurrentDir = savedInstanceState.getParcelable(KEY_CURRENT_DIR);
 262     }
 263
 264     @Override
 265     protected void onSaveInstanceState(Bundle outState) {
 266         super.onSaveInstanceState(outState);
 267         if(mDirectories != null && mDirectories.getCount() != 0){
 268             mDirs = new String[mDirectories.getCount()-1];
 269             for (int j = mDirectories.getCount() - 2, i = 0; j >= 0; --j, ++i) {
 270                 mDirs[i] = mDirectories.getItem(j);
 271             }
 272         }
 273         outState.putStringArray(KEY_DIR_ARRAY, mDirs);
 274         outState.putParcelable(KEY_CURRENT_DIR, mCurrentDir);
 275     }
 276
 277     @Override
 278     protected void onResume() {
 279         super.onResume();
 280
 281         if (accountsAreSetup()) {
 282
 283             setContentView(mLayoutView);    // this should solve the crash by repeated inflating in big screens (DROIDCLOUD-27)
 284
 285             // Listen for sync messages
 286             IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 287             syncBroadcastRevceiver = new SyncBroadcastReceiver();
 288             registerReceiver(syncBroadcastRevceiver, syncIntentFilter);
 289
 290             // Storage manager initialization
 291             mStorageManager = new FileDataStorageManager(
 292                     AccountUtils.getCurrentOwnCloudAccount(this),
 293                     getContentResolver());
 294
 295             // File list
 296             mFileList = (FileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 297
 298             // Figure out what directory to list.
 299             // Priority: Intent (here), savedInstanceState (onCreate), root dir (dir is null)
 300             if(getIntent().hasExtra(FileDetailFragment.EXTRA_FILE)){
 301                 mCurrentDir = (OCFile) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 302                 if(!mCurrentDir.isDirectory()){
 303                     mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 304                 }
 305
 306                 // Clear intent extra, so rotating the screen will not return us to this directory
 307                 getIntent().removeExtra(FileDetailFragment.EXTRA_FILE);
 308             } else {
 309                 mCurrentDir = mStorageManager.getFileByPath("/");
 310             }
 311
 312             // Drop-Down navigation and file list restore
 313             mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 314
 315
 316             // Given the case we have a file to display:
 317             if(mCurrentDir != null){
 318                 ArrayList<OCFile> files = new ArrayList<OCFile>();
 319                 OCFile currFile = mCurrentDir;
 320                 while(currFile != null){
 321                     files.add(currFile);
 322                     currFile = mStorageManager.getFileById(currFile.getParentId());
 323                 }
 324
 325                 // Insert in mDirs
 326                 mDirs = new String[files.size()];
 327                 for(int i = files.size() - 1; i >= 0; i--){
 328                     mDirs[i] = files.get(i).getFileName();
 329                 }
 330             }
 331
 332             if (mDirs != null) {
 333                 for (String s : mDirs)
 334                     mDirectories.add(s);
 335             } else {
 336                 mDirectories.add("/");
 337             }
 338
 339             // Actionbar setup
 340             ActionBar action_bar = getSupportActionBar();
 341             action_bar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 342             action_bar.setDisplayShowTitleEnabled(false);
 343             action_bar.setListNavigationCallbacks(mDirectories, this);
 344             if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 345                 action_bar.setDisplayHomeAsUpEnabled(true);
 346             } else {
 347                 action_bar.setDisplayHomeAsUpEnabled(false);
 348             }
 349
 350             // List dir here
 351             mFileList.listDirectory(mCurrentDir);
 352         }
 353     }
 354
 355     @Override
 356     protected void onPause() {
 357         super.onPause();
 358         if (syncBroadcastRevceiver != null) {
 359             unregisterReceiver(syncBroadcastRevceiver);
 360             syncBroadcastRevceiver = null;
 361         }
 362     }
 363
 364     @Override
 365     protected Dialog onCreateDialog(int id) {
 366         Dialog dialog = null;
 367         AlertDialog.Builder builder;
 368         switch (id) {
 369         case DIALOG_SETUP_ACCOUNT:
 370             builder = new AlertDialog.Builder(this);
 371             builder.setTitle(R.string.main_tit_accsetup);
 372             builder.setMessage(R.string.main_wrn_accsetup);
 373             builder.setCancelable(false);
 374             builder.setPositiveButton(android.R.string.ok, this);
 375             builder.setNegativeButton(android.R.string.cancel, this);
 376             dialog = builder.create();
 377             break;
 378         case DIALOG_ABOUT_APP: {
 379             builder = new AlertDialog.Builder(this);
 380             builder.setTitle("About");
 381             PackageInfo pkg;
 382             try {
 383                 pkg = getPackageManager().getPackageInfo(getPackageName(), 0);
 384                 builder.setMessage("ownCloud android client\n\nversion: " + pkg.versionName );
 385                 builder.setIcon(android.R.drawable.ic_menu_info_details);
 386                 dialog = builder.create();
 387             } catch (NameNotFoundException e) {
 388                 builder = null;
 389                 dialog = null;
 390                 e.printStackTrace();
 391             }
 392             break;
 393         }
 394         case DIALOG_CREATE_DIR: {
 395             builder = new Builder(this);
 396             final EditText dirNameInput = new EditText(getBaseContext());
 397             final Account a = AccountUtils.getCurrentOwnCloudAccount(this);
 398             builder.setView(dirNameInput);
 399             builder.setTitle(R.string.uploader_info_dirname);
 400             int typed_color = getResources().getColor(R.color.setup_text_typed);
 401             dirNameInput.setTextColor(typed_color);
 402             builder.setPositiveButton(android.R.string.ok,
 403                     new OnClickListener() {
 404                         public void onClick(DialogInterface dialog, int which) {
 405                             String directoryName = dirNameInput.getText().toString();
 406                             if (directoryName.trim().length() == 0) {
 407                                 dialog.cancel();
 408                                 return;
 409                             }
 410
 411                             // Figure out the path where the dir needs to be created
 412                             String path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
 413
 414                             // Create directory
 415                             path += directoryName + "/";
 416                             Thread thread = new Thread(new DirectoryCreator(path, a));
 417                             thread.start();
 418
 419                             // Save new directory in local database
 420                             OCFile newDir = new OCFile(path);
 421                             newDir.setMimetype("DIR");
 422                             newDir.setParentId(mCurrentDir.getFileId());
 423                             mStorageManager.saveFile(newDir);
 424
 425                             // Display the new folder right away
 426                             dialog.dismiss();
 427                             mFileList.listDirectory(mCurrentDir);
 428                         }
 429                     });
 430             builder.setNegativeButton(R.string.common_cancel,
 431                     new OnClickListener() {
 432                         public void onClick(DialogInterface dialog, int which) {
 433                             dialog.cancel();
 434                         }
 435                     });
 436             dialog = builder.create();
 437             break;
 438         }
 439         default:
 440             dialog = null;
 441         }
 442
 443         return dialog;
 444     }
 445
 446
 447     /**
 448      * Responds to the "There are no ownCloud Accounts setup" dialog
 449      * TODO: Dialog is 100% useless -> Remove
 450      */
 451     @Override
 452     public void onClick(DialogInterface dialog, int which) {
 453         // In any case - we won't need it anymore
 454         dialog.dismiss();
 455         switch (which) {
 456         case DialogInterface.BUTTON_POSITIVE:
 457             Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 458             intent.putExtra("authorities",
 459                     new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 460             startActivity(intent);
 461             break;
 462         case DialogInterface.BUTTON_NEGATIVE:
 463             finish();
 464         }
 465
 466     }
 467
 468     /**
 469      * Translates a content URI of an image to a physical path
 470      * on the disk
 471      * @param uri The URI to resolve
 472      * @return The path to the image or null if it could not be found
 473      */
 474     public String getPath(Uri uri) {
 475         String[] projection = { MediaStore.Images.Media.DATA };
 476         Cursor cursor = managedQuery(uri, projection, null, null, null);
 477         if (cursor != null) {
 478             int column_index = cursor
 479                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 480             cursor.moveToFirst();
 481             return cursor.getString(column_index);
 482         }
 483         return null;
 484     }
 485
 486     /**
 487      * Pushes a directory to the drop down list
 488      * @param directory to push
 489      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 490      */
 491     public void pushDirname(OCFile directory) {
 492         if(!directory.isDirectory()){
 493             throw new IllegalArgumentException("Only directories may be pushed!");
 494         }
 495         mDirectories.insert(directory.getFileName(), 0);
 496         mCurrentDir = directory;
 497     }
 498
 499     /**
 500      * Pops a directory name from the drop down list
 501      * @return True, unless the stack is empty
 502      */
 503     public boolean popDirname() {
 504         mDirectories.remove(mDirectories.getItem(0));
 505         return !mDirectories.isEmpty();
 506     }
 507
 508     /**
 509      * Checks, whether or not there are any ownCloud accounts setup.
 510      *
 511      * @return true, if there is at least one account.
 512      */
 513     private boolean accountsAreSetup() {
 514         AccountManager accMan = AccountManager.get(this);
 515         Account[] accounts = accMan
 516                 .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
 517         return accounts.length > 0;
 518     }
 519
 520     private class DirectoryCreator implements Runnable {
 521         private String mTargetPath;
 522         private Account mAccount;
 523         private AccountManager mAm;
 524
 525         public DirectoryCreator(String targetPath, Account account) {
 526             mTargetPath = targetPath;
 527             mAccount = account;
 528             mAm = (AccountManager) getSystemService(ACCOUNT_SERVICE);
 529         }
 530
 531         @Override
 532         public void run() {
 533             WebdavClient wdc = new WebdavClient(Uri.parse(mAm.getUserData(
 534                     mAccount, AccountAuthenticator.KEY_OC_URL)));
 535
 536             String username = mAccount.name.substring(0,
 537                     mAccount.name.lastIndexOf('@'));
 538             String password = mAm.getPassword(mAccount);
 539
 540             wdc.setCredentials(username, password);
 541             wdc.allowSelfsignedCertificates();
 542             wdc.createDirectory(mTargetPath);
 543         }
 544
 545     }
 546
 547     // Custom array adapter to override text colors
 548     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 549
 550         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 551             super(ctx, view);
 552         }
 553
 554         public View getView(int position, View convertView, ViewGroup parent) {
 555             View v = super.getView(position, convertView, parent);
 556
 557             ((TextView) v).setTextColor(getResources().getColorStateList(
 558                     android.R.color.white));
 559             return v;
 560         }
 561
 562         public View getDropDownView(int position, View convertView,
 563                 ViewGroup parent) {
 564             View v = super.getDropDownView(position, convertView, parent);
 565
 566             ((TextView) v).setTextColor(getResources().getColorStateList(
 567                     android.R.color.white));
 568
 569             return v;
 570         }
 571
 572     }
 573
 574     private class SyncBroadcastReceiver extends BroadcastReceiver {
 575         /**
 576          * {@link BroadcastReceiver} to enable syncing feedback in UI
 577          */
 578         @Override
 579         public void onReceive(Context context, Intent intent) {
 580             boolean inProgress = intent.getBooleanExtra(
 581                     FileSyncService.IN_PROGRESS, false);
 582             String account_name = intent
 583                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 584             Log.d("FileDisplay", "sync of account " + account_name
 585                     + " is in_progress: " + inProgress);
 586             setProgressBarIndeterminateVisibility(inProgress);
 587             if (!inProgress) {
 588                 FileListFragment fileListFramgent = (FileListFragment) getSupportFragmentManager()
 589                         .findFragmentById(R.id.fileList);
 590                 if (fileListFramgent != null)
 591                     fileListFramgent.listDirectory();
 592             }
 593         }
 594
 595     }
 596
 597     @Override
 598     public void onClick(View v) {
 599         if (v.getId() == R.id.setup_account) {
 600             Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 601             intent.putExtra("authorities", new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 602             startActivity(intent);
 603         }
 604     }
 605
 606     public DataStorageManager getStorageManager() {
 607         return mStorageManager;
 608     }
 609 }