src/eu/alefzero/owncloud/OwnCloudMainScreen.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;
  20
  21 import java.util.Stack;
  22
  23 import android.accounts.Account;
  24 import android.accounts.AccountManager;
  25 import android.app.AlertDialog;
  26 import android.app.Dialog;
  27 import android.app.ListActivity;
  28 import android.content.DialogInterface;
  29 import android.content.Intent;
  30 import android.content.DialogInterface.OnCancelListener;
  31 import android.database.Cursor;
  32 import android.graphics.Bitmap;
  33 import android.graphics.BitmapFactory;
  34 import android.graphics.Matrix;
  35 import android.net.Uri;
  36 import android.os.Bundle;
  37 import android.text.Html;
  38 import android.text.TextUtils;
  39 import android.util.Log;
  40 import android.view.Menu;
  41 import android.view.MenuInflater;
  42 import android.view.MenuItem;
  43 import android.view.View;
  44 import android.view.Window;
  45 import android.widget.ImageView;
  46 import android.widget.ListView;
  47 import android.widget.TextView;
  48 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  49 import eu.alefzero.owncloud.db.ProviderMeta.ProviderTableMeta;
  50
  51 public class OwnCloudMainScreen extends ListActivity {
  52   private DbHandler mDBHandler;
  53   private Stack<String> mParents;
  54   private Account mAccount;
  55   private Cursor mCursor;
  56   private boolean mIsDisplayingFile;
  57
  58   private static final int DIALOG_CHOOSE_ACCOUNT = 0;
  59
  60   @Override
  61   public void onCreate(Bundle savedInstanceState) {
  62     super.onCreate(savedInstanceState);
  63
  64     mParents = new Stack<String>();
  65     mIsDisplayingFile = false;
  66     mDBHandler = new DbHandler(getBaseContext());
  67     requestWindowFeature(Window.FEATURE_NO_TITLE);
  68     setContentView(R.layout.main);
  69
  70     AccountManager accMan = AccountManager.get(this);
  71     Account[] accounts = accMan.getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
  72
  73     if (accounts.length == 0) {
  74       // using string value since in API7 this constatn is not defined
  75       // in API7 < this constatant is defined in Settings.ADD_ACCOUNT_SETTINGS
  76       // and Settings.EXTRA_AUTHORITIES
  77       Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
  78       intent.putExtra("authorities", new String[] {AccountAuthenticator.AUTH_TOKEN_TYPE});
  79       startActivity(intent);
  80     } else if (accounts.length > 1) {
  81       showDialog(DIALOG_CHOOSE_ACCOUNT);
  82     } else {
  83       mAccount = accounts[0];
  84       populateFileList();
  85     }
  86   }
  87
  88   @Override
  89   public boolean onOptionsItemSelected(MenuItem item) {
  90     switch (item.getItemId()) {
  91       case R.id.settingsItem :
  92         Intent i = new Intent(this, Preferences.class);
  93         startActivity(i);
  94         break;
  95     }
  96     return true;
  97   }
  98
  99   @Override
 100   protected Dialog onCreateDialog(int id) {
 101     switch (id) {
 102       case DIALOG_CHOOSE_ACCOUNT:
 103         return createChooseAccountDialog();
 104       default:
 105         throw new IllegalArgumentException("Unknown dialog id: " + id);
 106     }
 107   }
 108
 109   @Override
 110   public boolean onCreateOptionsMenu(Menu menu) {
 111     MenuInflater inflater = getMenuInflater();
 112     inflater.inflate(R.menu.menu, menu);
 113     return true;
 114   }
 115
 116   @Override
 117   protected void onDestroy() {
 118     mDBHandler.close();
 119     super.onDestroy();
 120   }
 121
 122   private Dialog createChooseAccountDialog() {
 123     final AccountManager accMan = AccountManager.get(this);
 124     CharSequence[] items = new CharSequence[accMan.getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE).length];
 125     int i = 0;
 126     for (Account a : accMan.getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE)) {
 127       items[i++] = a.name;
 128     }
 129
 130     AlertDialog.Builder builder = new AlertDialog.Builder(this);
 131     builder.setTitle(R.string.common_choose_account);
 132     builder.setCancelable(true);
 133     builder.setItems(items, new DialogInterface.OnClickListener() {
 134         public void onClick(DialogInterface dialog, int item) {
 135             mAccount = accMan.getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE)[item];
 136             dialog.dismiss();
 137             populateFileList();
 138         }
 139     });
 140     builder.setOnCancelListener(new OnCancelListener() {
 141       public void onCancel(DialogInterface dialog) {
 142         OwnCloudMainScreen.this.finish();
 143       }
 144     });
 145     AlertDialog alert = builder.create();
 146     return alert;
 147   }
 148
 149   @Override
 150   public void onBackPressed() {
 151     PathLayout pl = (PathLayout) findViewById(R.id.pathLayout1);
 152     if (mIsDisplayingFile) {
 153       mIsDisplayingFile = false;
 154       setContentView(R.layout.main);
 155       pl = (PathLayout) findViewById(R.id.pathLayout1);
 156       Uri uri;
 157       if (mParents.empty()) {
 158         uri = ProviderTableMeta.CONTENT_URI;
 159       } else {
 160         uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, mParents.peek());
 161       }
 162       mCursor = managedQuery(uri,
 163                              null,
 164                              ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
 165                              new String[]{mAccount.name}, null);
 166
 167       if (mCursor.moveToFirst()) {
 168         String s = mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_PATH));
 169         for (String str : s.split("/")) {
 170           if (!TextUtils.isEmpty(str))
 171             pl.push(str.replace("%20", " "));
 172         }
 173       }
 174       getListView().setAdapter(new FileListListAdapter(mCursor, this));
 175       getListView().invalidate();
 176       return;
 177     }
 178     if (mParents.size()==0) {
 179       super.onBackPressed();
 180       return;
 181     } else if (mParents.size() == 1) {
 182       mParents.pop();
 183       pl.pop();
 184       mCursor = managedQuery(ProviderTableMeta.CONTENT_URI,
 185           null,
 186           ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
 187           new String[]{mAccount.name},
 188           null);
 189     } else {
 190       mParents.pop();
 191       pl.pop();
 192       mCursor = managedQuery(Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, mParents.peek()),
 193           null,
 194           ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
 195           new String[]{mAccount.name},
 196           null);
 197     }
 198
 199     setListAdapter(new FileListListAdapter(mCursor, this));
 200     getListView().invalidate();
 201   }
 202
 203   @Override
 204   protected void onListItemClick(ListView l, View v, int position, long id) {
 205     super.onListItemClick(l, v, position, id);
 206     PathLayout pl = (PathLayout) findViewById(R.id.pathLayout1);
 207     if (!mCursor.moveToPosition(position)) {
 208       throw new IndexOutOfBoundsException("Incorrect item selected");
 209     }
 210     if (!mIsDisplayingFile) {
 211       if (mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)).equals("DIR")) {
 212         String id_ = mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta._ID));
 213         String dirname = mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_NAME));
 214         pl.push(dirname);
 215         mParents.push(id_);
 216         mCursor = managedQuery(Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, id_),
 217                                null,
 218                                ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 219                                new String[]{mAccount.name}, null);
 220         setListAdapter(new FileListListAdapter(mCursor, this));
 221       } else {
 222         mIsDisplayingFile = true;
 223         setContentView(R.layout.file_display);
 224         String id_ = mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta._ID));
 225         mCursor = managedQuery(Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, id_),
 226                                null,
 227                                null,
 228                                null,
 229                                null);
 230         mCursor.moveToFirst();
 231         // filename
 232         TextView tv = (TextView) findViewById(R.id.textView1);
 233         tv.setText(mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_NAME)));
 234         // filetype
 235         tv = (TextView) findViewById(R.id.textView2);
 236         tv.setText(DisplayUtils.convertMIMEtoPrettyPrint(mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE))));
 237         // size
 238         tv = (TextView) findViewById(R.id.textView3);
 239         tv.setText(DisplayUtils.bitsToHumanReadable(mCursor.getLong(mCursor.getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH))));
 240         // modified
 241         tv = (TextView) findViewById(R.id.textView4);
 242         tv.setText(mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 243         if (!TextUtils.isEmpty(mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)))) {
 244           ImageView iv = (ImageView) findViewById(R.id.imageView1);
 245           Bitmap bmp = BitmapFactory.decodeFile(mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 246           Matrix m = new Matrix();
 247           float scale;
 248           if (bmp.getWidth() > bmp.getHeight()) {
 249             scale = (float) (200./bmp.getWidth());
 250           } else {
 251             scale = (float) (200./bmp.getHeight());
 252           }
 253           m.postScale(scale, scale);
 254           Bitmap newBmp = Bitmap.createBitmap(bmp, 0, 0, bmp.getWidth(), bmp.getHeight(), m, true);
 255           iv.setImageBitmap(newBmp);
 256         }
 257         setListAdapter(new FileListActionListAdapter(mCursor, this, mAccount));
 258       }
 259       getListView().invalidate();
 260     } else {
 261       try {
 262         Intent i = (Intent) getListAdapter().getItem(position);
 263         startActivity(i);
 264       } catch (ClassCastException e) {}
 265     }
 266   }
 267
 268   private void populateFileList() {
 269     mCursor = getContentResolver().query(ProviderTableMeta.CONTENT_URI,
 270                                          null,
 271                                          ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
 272                                          new String[]{mAccount.name},
 273                                          null);
 274     setListAdapter(new FileListListAdapter(mCursor, this));
 275     getListView().invalidate();
 276   }
 277
 278
 279
 280 }