src/com/owncloud/android/ui/activity/FileDetailActivity.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 package com.owncloud.android.ui.activity;
  19
  20 import java.lang.ref.WeakReference;
  21
  22 import android.accounts.Account;
  23 import android.app.Dialog;
  24 import android.app.ProgressDialog;
  25 import android.content.ComponentName;
  26 import android.content.Context;
  27 import android.content.Intent;
  28 import android.content.ServiceConnection;
  29 import android.content.res.Configuration;
  30 import android.os.Bundle;
  31 import android.os.IBinder;
  32 import android.support.v4.app.Fragment;
  33 import android.support.v4.app.FragmentTransaction;
  34 import android.util.Log;
  35 import android.widget.ProgressBar;
  36
  37 import com.actionbarsherlock.app.ActionBar;
  38 import com.actionbarsherlock.app.SherlockFragmentActivity;
  39 import com.actionbarsherlock.view.MenuItem;
  40 import com.owncloud.android.datamodel.OCFile;
  41 import com.owncloud.android.files.services.FileDownloader;
  42 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  43 import com.owncloud.android.files.services.FileUploader;
  44 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  45 import com.owncloud.android.ui.fragment.FileDetailFragment;
  46 import com.owncloud.android.ui.fragment.FilePreviewFragment;
  47
  48 import com.owncloud.android.R;
  49
  50 import eu.alefzero.webdav.OnDatatransferProgressListener;
  51
  52 /**
  53  * This activity displays the details of a file like its name, its size and so
  54  * on.
  55  *
  56  * @author Bartek Przybylski
  57  * @author David A. Velasco
  58  */
  59 public class FileDetailActivity extends SherlockFragmentActivity implements FileDetailFragment.ContainerActivity {
  60
  61     public static final int DIALOG_SHORT_WAIT = 0;
  62
  63     public static final String TAG = FileDetailActivity.class.getSimpleName();
  64
  65     public static final String EXTRA_MODE = "MODE";
  66     public static final int MODE_DETAILS = 0;
  67     public static final int MODE_PREVIEW = 1;
  68
  69     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
  70
  71     private boolean mConfigurationChangedToLandscape = false;
  72     private FileDownloaderBinder mDownloaderBinder = null;
  73     private ServiceConnection mDownloadConnection, mUploadConnection = null;
  74     private FileUploaderBinder mUploaderBinder = null;
  75     private boolean mWaitingToPreview;
  76
  77
  78     @Override
  79     protected void onCreate(Bundle savedInstanceState) {
  80         super.onCreate(savedInstanceState);
  81
  82         // check if configuration changed to large-land ; for a tablet being changed from portrait to landscape when in FileDetailActivity
  83         Configuration conf = getResources().getConfiguration();
  84         mConfigurationChangedToLandscape = (conf.orientation == Configuration.ORIENTATION_LANDSCAPE &&
  85                                                 (conf.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE
  86                                            );
  87
  88         if (!mConfigurationChangedToLandscape) {
  89             mDownloadConnection = new DetailsServiceConnection();
  90             bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
  91             mUploadConnection = new DetailsServiceConnection();
  92             bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
  93
  94             setContentView(R.layout.file_activity_details);
  95
  96             ActionBar actionBar = getSupportActionBar();
  97             actionBar.setDisplayHomeAsUpEnabled(true);
  98
  99             if (savedInstanceState == null) {
 100                 mWaitingToPreview = false;
 101                 createChildFragment();
 102             } else {
 103                 mWaitingToPreview = savedInstanceState.getBoolean(KEY_WAITING_TO_PREVIEW);
 104             }
 105
 106         }  else {
 107             backToDisplayActivity();   // the 'back' won't be effective until this.onStart() and this.onResume() are completed;
 108         }
 109
 110
 111     }
 112
 113     /**
 114      * Creates the proper fragment depending upon the state of the handled {@link OCFile} and
 115      * the requested {@link Intent}.
 116      */
 117     private void createChildFragment() {
 118         OCFile file = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 119         Account account = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
 120         int mode = getIntent().getIntExtra(EXTRA_MODE, MODE_PREVIEW);
 121
 122         Fragment newFragment = null;
 123         if (FilePreviewFragment.canBePreviewed(file) && mode == MODE_PREVIEW) {
 124             if (file.isDown()) {
 125                 newFragment = new FilePreviewFragment(file, account);
 126
 127             } else {
 128                 newFragment = new FileDetailFragment(file, account);
 129                 mWaitingToPreview = true;
 130             }
 131
 132         } else {
 133             newFragment = new FileDetailFragment(file, account);
 134         }
 135         FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 136         ft.replace(R.id.fragment, newFragment, FileDetailFragment.FTAG);
 137         ft.commit();
 138     }
 139
 140
 141     @Override
 142     protected void onSaveInstanceState(Bundle outState) {
 143         super.onSaveInstanceState(outState);
 144         outState.putBoolean(KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 145     }
 146
 147
 148     /** Defines callbacks for service binding, passed to bindService() */
 149     private class DetailsServiceConnection implements ServiceConnection {
 150
 151         @Override
 152         public void onServiceConnected(ComponentName component, IBinder service) {
 153
 154             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 155                 Log.d(TAG, "Download service connected");
 156                 mDownloaderBinder = (FileDownloaderBinder) service;
 157             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 158                 Log.d(TAG, "Upload service connected");
 159                 mUploaderBinder = (FileUploaderBinder) service;
 160             } else {
 161                 return;
 162             }
 163
 164             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 165             FileDetailFragment detailsFragment = (fragment instanceof FileDetailFragment) ? (FileDetailFragment) fragment : null;
 166             if (detailsFragment != null) {
 167                 detailsFragment.listenForTransferProgress();
 168                 detailsFragment.updateFileDetails(false);   // let the fragment gets the mDownloadBinder through getDownloadBinder() (see FileDetailFragment#updateFileDetais())
 169             }
 170         }
 171
 172         @Override
 173         public void onServiceDisconnected(ComponentName component) {
 174             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 175                 Log.d(TAG, "Download service disconnected");
 176                 mDownloaderBinder = null;
 177             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 178                 Log.d(TAG, "Upload service disconnected");
 179                 mUploaderBinder = null;
 180             }
 181         }
 182     };
 183
 184
 185     @Override
 186     public void onDestroy() {
 187         super.onDestroy();
 188         if (mDownloadConnection != null) {
 189             unbindService(mDownloadConnection);
 190             mDownloadConnection = null;
 191         }
 192         if (mUploadConnection != null) {
 193             unbindService(mUploadConnection);
 194             mUploadConnection = null;
 195         }
 196     }
 197
 198
 199     @Override
 200     public boolean onOptionsItemSelected(MenuItem item) {
 201         boolean returnValue = false;
 202
 203         switch(item.getItemId()){
 204         case android.R.id.home:
 205             backToDisplayActivity();
 206             returnValue = true;
 207             break;
 208         default:
 209                 returnValue = super.onOptionsItemSelected(item);
 210         }
 211
 212         return returnValue;
 213     }
 214
 215
 216
 217     @Override
 218     protected void onResume() {
 219
 220         super.onResume();
 221         if (!mConfigurationChangedToLandscape) {
 222             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 223             if (fragment != null && fragment instanceof FileDetailFragment) {
 224                 ((FileDetailFragment) fragment).updateFileDetails(false);
 225             }
 226         }
 227     }
 228
 229
 230     private void backToDisplayActivity() {
 231         Intent intent = new Intent(this, FileDisplayActivity.class);
 232         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 233         intent.putExtra(FileDetailFragment.EXTRA_FILE, getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE));
 234         intent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT));
 235         startActivity(intent);
 236         finish();
 237     }
 238
 239
 240     @Override
 241     protected Dialog onCreateDialog(int id) {
 242         Dialog dialog = null;
 243         switch (id) {
 244         case DIALOG_SHORT_WAIT: {
 245             ProgressDialog working_dialog = new ProgressDialog(this);
 246             working_dialog.setMessage(getResources().getString(
 247                     R.string.wait_a_moment));
 248             working_dialog.setIndeterminate(true);
 249             working_dialog.setCancelable(false);
 250             dialog = working_dialog;
 251             break;
 252         }
 253         default:
 254             dialog = null;
 255         }
 256         return dialog;
 257     }
 258
 259
 260     /**
 261      * {@inheritDoc}
 262      */
 263     @Override
 264     public void onFileStateChanged() {
 265         // nothing to do here!
 266     }
 267
 268
 269     /**
 270      * {@inheritDoc}
 271      */
 272     @Override
 273     public FileDownloaderBinder getFileDownloaderBinder() {
 274         return mDownloaderBinder;
 275     }
 276
 277
 278     @Override
 279     public FileUploaderBinder getFileUploaderBinder() {
 280         return mUploaderBinder;
 281     }
 282
 283
 284     @Override
 285     public void showFragmentWithDetails(OCFile file) {
 286         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 287         transaction.replace(R.id.fragment, new FileDetailFragment(file, (Account) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT)), FileDetailFragment.FTAG);
 288         transaction.commit();
 289     }
 290
 291 }