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         // TODO: fix hack: workaround for bug in actionbar sherlock
 109         // it always shows indeterminate progress bar
 110         if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
 111             requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 112             setProgressBarIndeterminateVisibility(false);
 113         }
 114
 115         Thread.setDefaultUncaughtExceptionHandler(new CrashHandler(getApplicationContext()));
 116
 117         if(savedInstanceState != null){
 118             mCurrentDir = (OCFile) savedInstanceState.getParcelable(KEY_CURRENT_DIR);
 119         }
 120
 121         if (findViewById(R.id.file_list_view) == null)
 122             mLayoutView = getLayoutInflater().inflate(R.layout.files, null);  // always inflate this at onCreate() ; just once!
 123
 124         //TODO: Dialog useless -> get rid of this
 125         if (!accountsAreSetup()) {
 126             setContentView(R.layout.no_account_available);
 127             setProgressBarIndeterminateVisibility(false);
 128             getSupportActionBar().setNavigationMode(ActionBar.DISPLAY_SHOW_TITLE);
 129             findViewById(R.id.setup_account).setOnClickListener(this);
 130
 131         } else if (findViewById(R.id.file_list_view) == null) {
 132             setContentView(mLayoutView);
 133         }
 134
 135     }
 136
 137     @Override
 138     public boolean onCreateOptionsMenu(Menu menu) {
 139         MenuInflater inflater = getSherlock().getMenuInflater();
 140             inflater.inflate(R.menu.menu, menu);
 141             return true;
 142     }
 143
 144     @Override
 145     public boolean onOptionsItemSelected(MenuItem item) {
 146         boolean retval = true;
 147         switch (item.getItemId()) {
 148             case R.id.createDirectoryItem: {
 149                 showDialog(DIALOG_CREATE_DIR);
 150                 break;
 151             }
 152             case R.id.startSync: {
 153                 Bundle bundle = new Bundle();
 154                 bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 155                 ContentResolver.requestSync(
 156                         AccountUtils.getCurrentOwnCloudAccount(this),
 157                         "org.owncloud", bundle);
 158                 break;
 159             }
 160             case R.id.action_upload: {
 161                 Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 162                 action = action.setType("*/*")
 163                         .addCategory(Intent.CATEGORY_OPENABLE);
 164                 startActivityForResult(
 165                         Intent.createChooser(action, "Upload file from..."),
 166                         ACTION_SELECT_FILE);
 167                 break;
 168             }
 169             case R.id.action_settings: {
 170                 Intent settingsIntent = new Intent(this, Preferences.class);
 171                 startActivity(settingsIntent);
 172                 break;
 173             }
 174             case R.id.about_app : {
 175                 showDialog(DIALOG_ABOUT_APP);
 176                 break;
 177             }
 178             case android.R.id.home: {
 179                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 180                     onBackPressed();
 181                 }
 182                 break;
 183             }
 184             default:
 185                 retval = false;
 186         }
 187         return retval;
 188     }
 189
 190     @Override
 191     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 192         int i = itemPosition;
 193         while (i-- != 0) {
 194             onBackPressed();
 195         }
 196         return true;
 197     }
 198
 199     /**
 200      * Called, when the user selected something for uploading
 201      */
 202     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 203         if (resultCode == RESULT_OK) {
 204             if (requestCode == ACTION_SELECT_FILE) {
 205                 Uri selectedImageUri = data.getData();
 206
 207                 String filemanagerstring = selectedImageUri.getPath();
 208                 String selectedImagePath = getPath(selectedImageUri);
 209                 String filepath;
 210
 211                 if (selectedImagePath != null)
 212                     filepath = selectedImagePath;
 213                 else
 214                     filepath = filemanagerstring;
 215
 216                 if (filepath == null) {
 217                     Log.e("FileDisplay", "Couldnt resolve path to file");
 218                     return;
 219                 }
 220
 221                 Intent i = new Intent(this, FileUploader.class);
 222                 i.putExtra(FileUploader.KEY_ACCOUNT,
 223                         AccountUtils.getCurrentOwnCloudAccount(this));
 224                 String remotepath = new String();
 225                 for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 226                     remotepath += "/" + URLEncoder.encode(mDirectories.getItem(j));
 227                 }
 228                 if (!remotepath.endsWith("/"))
 229                     remotepath += "/";
 230                 remotepath += URLEncoder.encode(new File(filepath).getName());
 231
 232                 i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 233                 i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 234                 i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 235                 startService(i);
 236             }
 237         }
 238     }
 239
 240     @Override
 241     public void onBackPressed() {
 242         if (mDirectories == null || mDirectories.getCount() <= 1) {
 243             finish();
 244             return;
 245         }
 246         popDirname();
 247         mFileList.onNavigateUp();
 248         mCurrentDir = mFileList.getCurrentFile();
 249
 250         if(mCurrentDir.getParentId() == 0){
 251             ActionBar actionBar = getSupportActionBar();
 252             actionBar.setDisplayHomeAsUpEnabled(false);
 253         }
 254     }
 255
 256     @Override
 257     protected void onRestoreInstanceState(Bundle savedInstanceState) {
 258         super.onRestoreInstanceState(savedInstanceState);
 259         mDirs = savedInstanceState.getStringArray(KEY_DIR_ARRAY);
 260         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 261         mDirectories.add("/");
 262         if (mDirs != null)
 263             for (String s : mDirs)
 264                 mDirectories.insert(s, 0);
 265         mCurrentDir = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 266     }
 267
 268     @Override
 269     protected void onSaveInstanceState(Bundle outState) {
 270         super.onSaveInstanceState(outState);
 271         if(mDirectories != null && mDirectories.getCount() != 0){
 272             mDirs = new String[mDirectories.getCount()-1];
 273             for (int j = mDirectories.getCount() - 2, i = 0; j >= 0; --j, ++i) {
 274                 mDirs[i] = mDirectories.getItem(j);
 275             }
 276         }
 277         outState.putStringArray(KEY_DIR_ARRAY, mDirs);
 278         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 279     }
 280
 281     @Override
 282     protected void onResume() {
 283         super.onResume();
 284
 285         if (accountsAreSetup()) {
 286
 287             setContentView(mLayoutView);    // this should solve the crash by repeated inflating in big screens (DROIDCLOUD-27)
 288
 289             // Listen for sync messages
 290             IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 291             syncBroadcastRevceiver = new SyncBroadcastReceiver();
 292             registerReceiver(syncBroadcastRevceiver, syncIntentFilter);
 293
 294             // Storage manager initialization
 295             mStorageManager = new FileDataStorageManager(
 296                     AccountUtils.getCurrentOwnCloudAccount(this),
 297                     getContentResolver());
 298
 299             // File list
 300             mFileList = (FileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 301
 302             // Figure out what directory to list.
 303             // Priority: Intent (here), savedInstanceState (onCreate), root dir (dir is null)
 304             if(getIntent().hasExtra(FileDetailFragment.EXTRA_FILE)){
 305                 mCurrentDir = (OCFile) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 306                 if(mCurrentDir != null && !mCurrentDir.isDirectory()){
 307                     mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 308                 }
 309
 310                 // Clear intent extra, so rotating the screen will not return us to this directory
 311                 getIntent().removeExtra(FileDetailFragment.EXTRA_FILE);
 312             } else {
 313                 mCurrentDir = mStorageManager.getFileByPath("/");
 314             }
 315
 316             // Drop-Down navigation and file list restore
 317             mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 318
 319
 320             // Given the case we have a file to display:
 321             if(mCurrentDir != null){
 322                 ArrayList<OCFile> files = new ArrayList<OCFile>();
 323                 OCFile currFile = mCurrentDir;
 324                 while(currFile != null){
 325                     files.add(currFile);
 326                     currFile = mStorageManager.getFileById(currFile.getParentId());
 327                 }
 328
 329                 // Insert in mDirs
 330                 mDirs = new String[files.size()];
 331                 for(int i = files.size() - 1; i >= 0; i--){
 332                     mDirs[i] = files.get(i).getFileName();
 333                 }
 334             }
 335
 336             if (mDirs != null) {
 337                 for (String s : mDirs)
 338                     mDirectories.add(s);
 339             } else {
 340                 mDirectories.add("/");
 341             }
 342
 343             // Actionbar setup
 344             ActionBar action_bar = getSupportActionBar();
 345             action_bar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 346             action_bar.setDisplayShowTitleEnabled(false);
 347             action_bar.setListNavigationCallbacks(mDirectories, this);
 348             if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 349                 action_bar.setDisplayHomeAsUpEnabled(true);
 350             } else {
 351                 action_bar.setDisplayHomeAsUpEnabled(false);
 352             }
 353
 354             // List dir here
 355             mFileList.listDirectory(mCurrentDir);
 356         }
 357     }
 358
 359     @Override
 360     protected void onPause() {
 361         super.onPause();
 362         if (syncBroadcastRevceiver != null) {
 363             unregisterReceiver(syncBroadcastRevceiver);
 364             syncBroadcastRevceiver = null;
 365         }
 366         getIntent().putExtra(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 367     }
 368
 369     @Override
 370     protected Dialog onCreateDialog(int id) {
 371         Dialog dialog = null;
 372         AlertDialog.Builder builder;
 373         switch (id) {
 374         case DIALOG_SETUP_ACCOUNT:
 375             builder = new AlertDialog.Builder(this);
 376             builder.setTitle(R.string.main_tit_accsetup);
 377             builder.setMessage(R.string.main_wrn_accsetup);
 378             builder.setCancelable(false);
 379             builder.setPositiveButton(android.R.string.ok, this);
 380             builder.setNegativeButton(android.R.string.cancel, this);
 381             dialog = builder.create();
 382             break;
 383         case DIALOG_ABOUT_APP: {
 384             builder = new AlertDialog.Builder(this);
 385             builder.setTitle("About");
 386             PackageInfo pkg;
 387             try {
 388                 pkg = getPackageManager().getPackageInfo(getPackageName(), 0);
 389                 builder.setMessage("ownCloud android client\n\nversion: " + pkg.versionName );
 390                 builder.setIcon(android.R.drawable.ic_menu_info_details);
 391                 dialog = builder.create();
 392             } catch (NameNotFoundException e) {
 393                 builder = null;
 394                 dialog = null;
 395                 e.printStackTrace();
 396             }
 397             break;
 398         }
 399         case DIALOG_CREATE_DIR: {
 400             builder = new Builder(this);
 401             final EditText dirNameInput = new EditText(getBaseContext());
 402             final Account a = AccountUtils.getCurrentOwnCloudAccount(this);
 403             builder.setView(dirNameInput);
 404             builder.setTitle(R.string.uploader_info_dirname);
 405             int typed_color = getResources().getColor(R.color.setup_text_typed);
 406             dirNameInput.setTextColor(typed_color);
 407             builder.setPositiveButton(android.R.string.ok,
 408                     new OnClickListener() {
 409                         public void onClick(DialogInterface dialog, int which) {
 410                             String directoryName = dirNameInput.getText().toString();
 411                             if (directoryName.trim().length() == 0) {
 412                                 dialog.cancel();
 413                                 return;
 414                             }
 415
 416                             // Figure out the path where the dir needs to be created
 417                             String path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
 418
 419                             // Create directory
 420                             path += directoryName + "/";
 421                             Thread thread = new Thread(new DirectoryCreator(path, a));
 422                             thread.start();
 423
 424                             // Save new directory in local database
 425                             OCFile newDir = new OCFile(path);
 426                             newDir.setMimetype("DIR");
 427                             newDir.setParentId(mCurrentDir.getFileId());
 428                             mStorageManager.saveFile(newDir);
 429
 430                             // Display the new folder right away
 431                             dialog.dismiss();
 432                             mFileList.listDirectory(mCurrentDir);
 433                         }
 434                     });
 435             builder.setNegativeButton(R.string.common_cancel,
 436                     new OnClickListener() {
 437                         public void onClick(DialogInterface dialog, int which) {
 438                             dialog.cancel();
 439                         }
 440                     });
 441             dialog = builder.create();
 442             break;
 443         }
 444         default:
 445             dialog = null;
 446         }
 447
 448         return dialog;
 449     }
 450
 451
 452     /**
 453      * Responds to the "There are no ownCloud Accounts setup" dialog
 454      * TODO: Dialog is 100% useless -> Remove
 455      */
 456     @Override
 457     public void onClick(DialogInterface dialog, int which) {
 458         // In any case - we won't need it anymore
 459         dialog.dismiss();
 460         switch (which) {
 461         case DialogInterface.BUTTON_POSITIVE:
 462             Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 463             intent.putExtra("authorities",
 464                     new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 465             startActivity(intent);
 466             break;
 467         case DialogInterface.BUTTON_NEGATIVE:
 468             finish();
 469         }
 470
 471     }
 472
 473     /**
 474      * Translates a content URI of an image to a physical path
 475      * on the disk
 476      * @param uri The URI to resolve
 477      * @return The path to the image or null if it could not be found
 478      */
 479     public String getPath(Uri uri) {
 480         String[] projection = { MediaStore.Images.Media.DATA };
 481         Cursor cursor = managedQuery(uri, projection, null, null, null);
 482         if (cursor != null) {
 483             int column_index = cursor
 484                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 485             cursor.moveToFirst();
 486             return cursor.getString(column_index);
 487         }
 488         return null;
 489     }
 490
 491     /**
 492      * Pushes a directory to the drop down list
 493      * @param directory to push
 494      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 495      */
 496     public void pushDirname(OCFile directory) {
 497         if(!directory.isDirectory()){
 498             throw new IllegalArgumentException("Only directories may be pushed!");
 499         }
 500         mDirectories.insert(directory.getFileName(), 0);
 501         mCurrentDir = directory;
 502     }
 503
 504     /**
 505      * Pops a directory name from the drop down list
 506      * @return True, unless the stack is empty
 507      */
 508     public boolean popDirname() {
 509         mDirectories.remove(mDirectories.getItem(0));
 510         return !mDirectories.isEmpty();
 511     }
 512
 513     /**
 514      * Checks, whether or not there are any ownCloud accounts setup.
 515      *
 516      * @return true, if there is at least one account.
 517      */
 518     private boolean accountsAreSetup() {
 519         AccountManager accMan = AccountManager.get(this);
 520         Account[] accounts = accMan
 521                 .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
 522         return accounts.length > 0;
 523     }
 524
 525     private class DirectoryCreator implements Runnable {
 526         private String mTargetPath;
 527         private Account mAccount;
 528         private AccountManager mAm;
 529
 530         public DirectoryCreator(String targetPath, Account account) {
 531             mTargetPath = targetPath;
 532             mAccount = account;
 533             mAm = (AccountManager) getSystemService(ACCOUNT_SERVICE);
 534         }
 535
 536         @Override
 537         public void run() {
 538             WebdavClient wdc = new WebdavClient(Uri.parse(mAm.getUserData(
 539                     mAccount, AccountAuthenticator.KEY_OC_URL)));
 540
 541             String username = mAccount.name.substring(0,
 542                     mAccount.name.lastIndexOf('@'));
 543             String password = mAm.getPassword(mAccount);
 544
 545             wdc.setCredentials(username, password);
 546             wdc.allowSelfsignedCertificates();
 547             wdc.createDirectory(mTargetPath);
 548         }
 549
 550     }
 551
 552     // Custom array adapter to override text colors
 553     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 554
 555         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 556             super(ctx, view);
 557         }
 558
 559         public View getView(int position, View convertView, ViewGroup parent) {
 560             View v = super.getView(position, convertView, parent);
 561
 562             ((TextView) v).setTextColor(getResources().getColorStateList(
 563                     android.R.color.white));
 564             return v;
 565         }
 566
 567         public View getDropDownView(int position, View convertView,
 568                 ViewGroup parent) {
 569             View v = super.getDropDownView(position, convertView, parent);
 570
 571             ((TextView) v).setTextColor(getResources().getColorStateList(
 572                     android.R.color.white));
 573
 574             return v;
 575         }
 576
 577     }
 578
 579     private class SyncBroadcastReceiver extends BroadcastReceiver {
 580         /**
 581          * {@link BroadcastReceiver} to enable syncing feedback in UI
 582          */
 583         @Override
 584         public void onReceive(Context context, Intent intent) {
 585             boolean inProgress = intent.getBooleanExtra(
 586                     FileSyncService.IN_PROGRESS, false);
 587             String account_name = intent
 588                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 589             Log.d("FileDisplay", "sync of account " + account_name
 590                     + " is in_progress: " + inProgress);
 591             setProgressBarIndeterminateVisibility(inProgress);
 592             if (!inProgress) {
 593                 FileListFragment fileListFramgent = (FileListFragment) getSupportFragmentManager()
 594                         .findFragmentById(R.id.fileList);
 595                 if (fileListFramgent != null)
 596                     fileListFramgent.listDirectory();
 597             }
 598         }
 599
 600     }
 601
 602     @Override
 603     public void onClick(View v) {
 604         if (v.getId() == R.id.setup_account) {
 605             Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 606             intent.putExtra("authorities", new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 607             startActivity(intent);
 608         }
 609     }
 610
 611     public DataStorageManager getStorageManager() {
 612         return mStorageManager;
 613     }
 614 }