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 android.accounts.Account;
  21 import android.app.Dialog;
  22 import android.app.ProgressDialog;
  23 import android.content.ComponentName;
  24 import android.content.Context;
  25 import android.content.Intent;
  26 import android.content.ServiceConnection;
  27 import android.content.res.Configuration;
  28 import android.os.Bundle;
  29 import android.os.IBinder;
  30 import android.support.v4.app.Fragment;
  31 import android.support.v4.app.FragmentTransaction;
  32 import android.util.Log;
  33
  34 import com.actionbarsherlock.app.ActionBar;
  35 import com.actionbarsherlock.app.SherlockFragmentActivity;
  36 import com.actionbarsherlock.view.MenuItem;
  37 import com.owncloud.android.datamodel.OCFile;
  38 import com.owncloud.android.files.services.FileDownloader;
  39 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  40 import com.owncloud.android.files.services.FileUploader;
  41 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  42 import com.owncloud.android.ui.fragment.FileDetailFragment;
  43 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  44
  45 import com.owncloud.android.R;
  46
  47 /**
  48  * This activity displays the details of a file like its name, its size and so
  49  * on.
  50  *
  51  * @author Bartek Przybylski
  52  * @author David A. Velasco
  53  */
  54 public class FileDetailActivity extends SherlockFragmentActivity implements FileDetailFragment.ContainerActivity {
  55
  56     public static final int DIALOG_SHORT_WAIT = 0;
  57
  58     public static final String TAG = FileDetailActivity.class.getSimpleName();
  59
  60     public static final String EXTRA_MODE = "MODE";
  61     public static final int MODE_DETAILS = 0;
  62     public static final int MODE_PREVIEW = 1;
  63
  64     public static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
  65
  66     private boolean mConfigurationChangedToLandscape = false;
  67     private FileDownloaderBinder mDownloaderBinder = null;
  68     private ServiceConnection mDownloadConnection, mUploadConnection = null;
  69     private FileUploaderBinder mUploaderBinder = null;
  70     private boolean mWaitingToPreview;
  71
  72     private OCFile mFile;
  73     private Account mAccount;
  74
  75
  76     @Override
  77     protected void onCreate(Bundle savedInstanceState) {
  78         super.onCreate(savedInstanceState);
  79
  80         mFile = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
  81         mAccount = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
  82
  83         // check if configuration changed to large-land ; for a tablet being changed from portrait to landscape when in FileDetailActivity
  84         Configuration conf = getResources().getConfiguration();
  85         mConfigurationChangedToLandscape = (conf.orientation == Configuration.ORIENTATION_LANDSCAPE &&
  86                                                 (conf.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE
  87                                            );
  88
  89         if (!mConfigurationChangedToLandscape) {
  90             setContentView(R.layout.file_activity_details);
  91
  92             ActionBar actionBar = getSupportActionBar();
  93             actionBar.setDisplayHomeAsUpEnabled(true);
  94
  95             if (savedInstanceState == null) {
  96                 mWaitingToPreview = false;
  97                 createChildFragment();
  98             } else {
  99                 mWaitingToPreview = savedInstanceState.getBoolean(KEY_WAITING_TO_PREVIEW);
 100             }
 101
 102             mDownloadConnection = new DetailsServiceConnection();
 103             bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 104             mUploadConnection = new DetailsServiceConnection();
 105             bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 106
 107
 108         }  else {
 109             backToDisplayActivity();   // the 'back' won't be effective until this.onStart() and this.onResume() are completed;
 110         }
 111
 112
 113     }
 114
 115     /**
 116      * Creates the proper fragment depending upon the state of the handled {@link OCFile} and
 117      * the requested {@link Intent}.
 118      */
 119     private void createChildFragment() {
 120         int mode = getIntent().getIntExtra(EXTRA_MODE, MODE_PREVIEW);
 121
 122         Fragment newFragment = null;
 123         if (PreviewMediaFragment.canBePreviewed(mFile) && mode == MODE_PREVIEW) {
 124             if (mFile.isDown()) {
 125                 newFragment = new PreviewMediaFragment(mFile, mAccount);
 126
 127             } else {
 128                 newFragment = new FileDetailFragment(mFile, mAccount);
 129                 mWaitingToPreview = true;
 130             }
 131
 132         } else {
 133             newFragment = new FileDetailFragment(mFile, mAccount);
 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                 if (mWaitingToPreview) {
 158                     requestForDownload();
 159                 }
 160
 161             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 162                 Log.d(TAG, "Upload service connected");
 163                 mUploaderBinder = (FileUploaderBinder) service;
 164             } else {
 165                 return;
 166             }
 167
 168             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 169             FileDetailFragment detailsFragment = (fragment instanceof FileDetailFragment) ? (FileDetailFragment) fragment : null;
 170             if (detailsFragment != null) {
 171                 detailsFragment.listenForTransferProgress();
 172                 detailsFragment.updateFileDetails(mWaitingToPreview);   // let the fragment gets the mDownloadBinder through getDownloadBinder() (see FileDetailFragment#updateFileDetais())
 173             }
 174         }
 175
 176         @Override
 177         public void onServiceDisconnected(ComponentName component) {
 178             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 179                 Log.d(TAG, "Download service disconnected");
 180                 mDownloaderBinder = null;
 181             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 182                 Log.d(TAG, "Upload service disconnected");
 183                 mUploaderBinder = null;
 184             }
 185         }
 186     };
 187
 188
 189     @Override
 190     public void onDestroy() {
 191         super.onDestroy();
 192         if (mDownloadConnection != null) {
 193             unbindService(mDownloadConnection);
 194             mDownloadConnection = null;
 195         }
 196         if (mUploadConnection != null) {
 197             unbindService(mUploadConnection);
 198             mUploadConnection = null;
 199         }
 200     }
 201
 202
 203     @Override
 204     public boolean onOptionsItemSelected(MenuItem item) {
 205         boolean returnValue = false;
 206
 207         switch(item.getItemId()){
 208         case android.R.id.home:
 209             backToDisplayActivity();
 210             returnValue = true;
 211             break;
 212         default:
 213                 returnValue = super.onOptionsItemSelected(item);
 214         }
 215
 216         return returnValue;
 217     }
 218
 219
 220
 221     @Override
 222     protected void onResume() {
 223
 224         super.onResume();
 225         if (!mConfigurationChangedToLandscape) {
 226             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 227             if (fragment != null && fragment instanceof FileDetailFragment) {
 228                 ((FileDetailFragment) fragment).updateFileDetails(false);
 229             }
 230         }
 231     }
 232
 233
 234     private void backToDisplayActivity() {
 235         Intent intent = new Intent(this, FileDisplayActivity.class);
 236         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 237         intent.putExtra(FileDetailFragment.EXTRA_FILE, mFile);
 238         intent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 239         startActivity(intent);
 240         finish();
 241     }
 242
 243
 244     @Override
 245     protected Dialog onCreateDialog(int id) {
 246         Dialog dialog = null;
 247         switch (id) {
 248         case DIALOG_SHORT_WAIT: {
 249             ProgressDialog working_dialog = new ProgressDialog(this);
 250             working_dialog.setMessage(getResources().getString(
 251                     R.string.wait_a_moment));
 252             working_dialog.setIndeterminate(true);
 253             working_dialog.setCancelable(false);
 254             dialog = working_dialog;
 255             break;
 256         }
 257         default:
 258             dialog = null;
 259         }
 260         return dialog;
 261     }
 262
 263
 264     /**
 265      * {@inheritDoc}
 266      */
 267     @Override
 268     public void onFileStateChanged() {
 269         // nothing to do here!
 270     }
 271
 272
 273     /**
 274      * {@inheritDoc}
 275      */
 276     @Override
 277     public FileDownloaderBinder getFileDownloaderBinder() {
 278         return mDownloaderBinder;
 279     }
 280
 281
 282     @Override
 283     public FileUploaderBinder getFileUploaderBinder() {
 284         return mUploaderBinder;
 285     }
 286
 287
 288     @Override
 289     public void showFragmentWithDetails(OCFile file) {
 290         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 291         transaction.replace(R.id.fragment, new FileDetailFragment(file, mAccount), FileDetailFragment.FTAG);
 292         transaction.commit();
 293     }
 294
 295
 296     private void requestForDownload() {
 297         if (!mDownloaderBinder.isDownloading(mAccount, mFile)) {
 298             Intent i = new Intent(this, FileDownloader.class);
 299             i.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
 300             i.putExtra(FileDownloader.EXTRA_FILE, mFile);
 301             startService(i);
 302         }
 303     }
 304
 305     @Override
 306     public void notifySuccessfulDownload(OCFile file, Intent intent, boolean success) {
 307         if (success) {
 308             if (mWaitingToPreview) {
 309                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 310                 transaction.replace(R.id.fragment, new PreviewMediaFragment(file, mAccount), FileDetailFragment.FTAG);
 311                 transaction.commit();
 312                 mWaitingToPreview = false;
 313             }
 314         }
 315     }
 316
 317 }