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