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             mFileList.updateAccount();
 289
 290             // Figure out what directory to list.
 291             // Priority: Intent (here), savedInstanceState (onCreate), root dir (dir is null)
 292             if(getIntent().hasExtra(FileDetailFragment.EXTRA_FILE)){
 293                 mCurrentDir = (OCFile) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 294                 if(!mCurrentDir.isDirectory()){
 295                     mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 296                 }
 297
 298                 // Clear intent extra, so rotating the screen will not return us to this directory
 299                 getIntent().removeExtra(FileDetailFragment.EXTRA_FILE);
 300             } else {
 301                 mCurrentDir = mStorageManager.getFileByPath("/");
 302             }
 303
 304             // Drop-Down navigation and file list restore
 305             mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 306
 307
 308             // Given the case we have a file to display:
 309             if(mCurrentDir != null){
 310                 ArrayList<OCFile> files = new ArrayList<OCFile>();
 311                 OCFile currFile = mCurrentDir;
 312                 while(currFile != null){
 313                     files.add(currFile);
 314                     currFile = mStorageManager.getFileById(currFile.getParentId());
 315                 }
 316
 317                 // Insert in mDirs
 318                 mDirs = new String[files.size()];
 319                 for(int i = files.size() - 1; i >= 0; i--){
 320                     mDirs[i] = files.get(i).getFileName();
 321                 }
 322             }
 323
 324             if (mDirs != null) {
 325                 for (String s : mDirs)
 326                     mDirectories.add(s);
 327             } else {
 328                 mDirectories.add("/");
 329             }
 330
 331             // Actionbar setup
 332             ActionBar action_bar = getSupportActionBar();
 333             action_bar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 334             action_bar.setDisplayShowTitleEnabled(false);
 335             action_bar.setListNavigationCallbacks(mDirectories, this);
 336             if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 337                 action_bar.setDisplayHomeAsUpEnabled(true);
 338             } else {
 339                 action_bar.setDisplayHomeAsUpEnabled(false);
 340             }
 341
 342             // List dir here
 343             mFileList.listDirectory(mCurrentDir);
 344         }
 345     }
 346
 347     @Override
 348     protected void onPause() {
 349         super.onPause();
 350         if (syncBroadcastRevceiver != null) {
 351             unregisterReceiver(syncBroadcastRevceiver);
 352             syncBroadcastRevceiver = null;
 353         }
 354     }
 355
 356     @Override
 357     protected Dialog onCreateDialog(int id) {
 358         Dialog dialog;
 359         AlertDialog.Builder builder;
 360         switch (id) {
 361         case DIALOG_SETUP_ACCOUNT:
 362             builder = new AlertDialog.Builder(this);
 363             builder.setTitle(R.string.main_tit_accsetup);
 364             builder.setMessage(R.string.main_wrn_accsetup);
 365             builder.setCancelable(false);
 366             builder.setPositiveButton(android.R.string.ok, this);
 367             builder.setNegativeButton(android.R.string.cancel, this);
 368             dialog = builder.create();
 369             break;
 370         case DIALOG_CREATE_DIR: {
 371             builder = new Builder(this);
 372             final EditText dirNameInput = new EditText(getBaseContext());
 373             final Account a = AccountUtils.getCurrentOwnCloudAccount(this);
 374             builder.setView(dirNameInput);
 375             builder.setTitle(R.string.uploader_info_dirname);
 376             int typed_color = getResources().getColor(R.color.setup_text_typed);
 377             dirNameInput.setTextColor(typed_color);
 378             builder.setPositiveButton(android.R.string.ok,
 379                     new OnClickListener() {
 380                         public void onClick(DialogInterface dialog, int which) {
 381                             String directoryName = dirNameInput.getText().toString();
 382                             if (directoryName.trim().length() == 0) {
 383                                 dialog.cancel();
 384                                 return;
 385                             }
 386
 387                             // Figure out the path where the dir needs to be created
 388                             String path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
 389
 390                             // Create directory
 391                             path += directoryName + "/";
 392                             Thread thread = new Thread(new DirectoryCreator(path, a));
 393                             thread.start();
 394
 395                             // Save new directory in local database
 396                             OCFile newDir = new OCFile(path);
 397                             newDir.setMimetype("DIR");
 398                             newDir.setParentId(mCurrentDir.getFileId());
 399                             mStorageManager.saveFile(newDir);
 400
 401                             // Display the new folder right away
 402                             dialog.dismiss();
 403                             mFileList.listDirectory(mCurrentDir);
 404                         }
 405                     });
 406             builder.setNegativeButton(R.string.common_cancel,
 407                     new OnClickListener() {
 408                         public void onClick(DialogInterface dialog, int which) {
 409                             dialog.cancel();
 410                         }
 411                     });
 412             dialog = builder.create();
 413             break;
 414         }
 415         default:
 416             dialog = null;
 417         }
 418
 419         return dialog;
 420     }
 421
 422
 423     /**
 424      * Responds to the "There are no ownCloud Accounts setup" dialog
 425      * TODO: Dialog is 100% useless -> Remove
 426      */
 427     @Override
 428     public void onClick(DialogInterface dialog, int which) {
 429         // In any case - we won't need it anymore
 430         dialog.dismiss();
 431         switch (which) {
 432         case DialogInterface.BUTTON_POSITIVE:
 433             Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 434             intent.putExtra("authorities",
 435                     new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 436             startActivity(intent);
 437             break;
 438         case DialogInterface.BUTTON_NEGATIVE:
 439             finish();
 440         }
 441
 442     }
 443
 444     /**
 445      * Translates a content URI of an image to a physical path
 446      * on the disk
 447      * @param uri The URI to resolve
 448      * @return The path to the image or null if it could not be found
 449      */
 450     public String getPath(Uri uri) {
 451         String[] projection = { MediaStore.Images.Media.DATA };
 452         Cursor cursor = managedQuery(uri, projection, null, null, null);
 453         if (cursor != null) {
 454             int column_index = cursor
 455                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 456             cursor.moveToFirst();
 457             return cursor.getString(column_index);
 458         }
 459         return null;
 460     }
 461
 462     /**
 463      * Pushes a directory to the drop down list
 464      * @param directory to push
 465      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 466      */
 467     public void pushDirname(OCFile directory) {
 468         if(!directory.isDirectory()){
 469             throw new IllegalArgumentException("Only directories may be pushed!");
 470         }
 471         mDirectories.insert(directory.getFileName(), 0);
 472         mCurrentDir = directory;
 473     }
 474
 475     /**
 476      * Pops a directory name from the drop down list
 477      * @return True, unless the stack is empty
 478      */
 479     public boolean popDirname() {
 480         mDirectories.remove(mDirectories.getItem(0));
 481         return !mDirectories.isEmpty();
 482     }
 483
 484     /**
 485      * Checks, whether or not there are any ownCloud accounts setup.
 486      *
 487      * @return true, if there is at least one account.
 488      */
 489     private boolean accountsAreSetup() {
 490         AccountManager accMan = AccountManager.get(this);
 491         Account[] accounts = accMan
 492                 .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
 493         return accounts.length > 0;
 494     }
 495
 496     private class DirectoryCreator implements Runnable {
 497         private String mTargetPath;
 498         private Account mAccount;
 499         private AccountManager mAm;
 500
 501         public DirectoryCreator(String targetPath, Account account) {
 502             mTargetPath = targetPath;
 503             mAccount = account;
 504             mAm = (AccountManager) getSystemService(ACCOUNT_SERVICE);
 505         }
 506
 507         @Override
 508         public void run() {
 509             WebdavClient wdc = new WebdavClient(Uri.parse(mAm.getUserData(
 510                     mAccount, AccountAuthenticator.KEY_OC_URL)));
 511
 512             String username = mAccount.name.substring(0,
 513                     mAccount.name.lastIndexOf('@'));
 514             String password = mAm.getPassword(mAccount);
 515
 516             wdc.setCredentials(username, password);
 517             wdc.allowSelfsignedCertificates();
 518             wdc.createDirectory(mTargetPath);
 519         }
 520
 521     }
 522
 523     // Custom array adapter to override text colors
 524     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 525
 526         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 527             super(ctx, view);
 528         }
 529
 530         public View getView(int position, View convertView, ViewGroup parent) {
 531             View v = super.getView(position, convertView, parent);
 532
 533             ((TextView) v).setTextColor(getResources().getColorStateList(
 534                     android.R.color.white));
 535             return v;
 536         }
 537
 538         public View getDropDownView(int position, View convertView,
 539                 ViewGroup parent) {
 540             View v = super.getDropDownView(position, convertView, parent);
 541
 542             ((TextView) v).setTextColor(getResources().getColorStateList(
 543                     android.R.color.white));
 544
 545             return v;
 546         }
 547
 548     }
 549
 550     private class SyncBroadcastReceiver extends BroadcastReceiver {
 551         /**
 552          * {@link BroadcastReceiver} to enable syncing feedback in UI
 553          */
 554         @Override
 555         public void onReceive(Context context, Intent intent) {
 556             boolean inProgress = intent.getBooleanExtra(
 557                     FileSyncService.IN_PROGRESS, false);
 558             String account_name = intent
 559                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 560             Log.d("FileDisplay", "sync of account " + account_name
 561                     + " is in_progress: " + inProgress);
 562             setProgressBarIndeterminateVisibility(inProgress);
 563             if (!inProgress) {
 564                 FileListFragment fileListFramgent = (FileListFragment) getSupportFragmentManager()
 565                         .findFragmentById(R.id.fileList);
 566                 if (fileListFramgent != null)
 567                     fileListFramgent.listDirectory();
 568             }
 569         }
 570
 571     }
 572
 573     @Override
 574     public void onClick(View v) {
 575         if (v.getId() == R.id.setup_account) {
 576             Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 577             intent.putExtra("authorities", new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 578             startActivity(intent);
 579         }
 580     }
 581 }