src/com/owncloud/android/files/OwnCloudFileObserver.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012 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 com.owncloud.android.files;
  20
  21 import java.io.File;
  22 import java.util.LinkedList;
  23 import java.util.List;
  24
  25 import com.owncloud.android.datamodel.DataStorageManager;
  26 import com.owncloud.android.datamodel.OCFile;
  27 import com.owncloud.android.network.OwnCloudClientUtils;
  28 import com.owncloud.android.operations.RemoteOperationResult;
  29 import com.owncloud.android.operations.SynchronizeFileOperation;
  30
  31 import eu.alefzero.webdav.WebdavClient;
  32
  33 import android.accounts.Account;
  34 import android.content.Context;
  35 import android.os.FileObserver;
  36 import android.util.Log;
  37
  38 public class OwnCloudFileObserver extends FileObserver {
  39
  40     public static int CHANGES_ONLY = CLOSE_WRITE;
  41
  42     private static String TAG = OwnCloudFileObserver.class.getSimpleName();
  43     private String mPath;
  44     private int mMask;
  45     private DataStorageManager mStorage;
  46     private Account mOCAccount;
  47     private OCFile mFile;
  48     private Context mContext;
  49     private List<FileObserverStatusListener> mListeners;
  50
  51     public OwnCloudFileObserver(String path) {
  52         this(path, ALL_EVENTS);
  53     }
  54
  55     public OwnCloudFileObserver(String path, int mask) {
  56         super(path, mask);
  57         mPath = path;
  58         mMask = mask;
  59         mListeners = new LinkedList<FileObserverStatusListener>();
  60     }
  61
  62     public void setAccount(Account account) {
  63         mOCAccount = account;
  64     }
  65
  66     public void setStorageManager(DataStorageManager manager) {
  67         mStorage = manager;
  68     }
  69
  70     public void setOCFile(OCFile file) {
  71         mFile = file;
  72     }
  73
  74     public void setContext(Context context) {
  75         mContext = context;
  76     }
  77
  78     public String getPath() {
  79         return mPath;
  80     }
  81
  82     public String getRemotePath() {
  83         return mFile.getRemotePath();
  84     }
  85
  86     public void addObserverStatusListener(FileObserverStatusListener listener) {
  87         mListeners.add(listener);
  88     }
  89
  90     @Override
  91     public void onEvent(int event, String path) {
  92         Log.d(TAG, "Got file modified with event " + event + " and path " + mPath + ((path != null) ? File.separator + path : ""));
  93         if ((event & mMask) == 0) {
  94             Log.wtf(TAG, "Incorrect event " + event + " sent for file " + mPath + ((path != null) ? File.separator + path : "") +
  95                          " with registered for " + mMask + " and original path " +
  96                          mPath);
  97             /* Unexpected event that will be ignored; no reason to propagate it
  98             for (FileObserverStatusListener l : mListeners)
  99                 l.OnObservedFileStatusUpdate(mPath, getRemotePath(), mOCAccount, Status.INCORRECT_MASK);
 100             */
 101             return;
 102         }
 103         WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mOCAccount, mContext);
 104         SynchronizeFileOperation sfo = new SynchronizeFileOperation(getRemotePath(), mStorage, mOCAccount, true, false, mContext);
 105         RemoteOperationResult result = sfo.execute(wc);
 106         for (FileObserverStatusListener l : mListeners) {
 107             l.onObservedFileStatusUpdate(mPath, getRemotePath(), mOCAccount, result);
 108         }
 109
 110     }
 111
 112     public interface FileObserverStatusListener {
 113         public void onObservedFileStatusUpdate(String localPath,
 114                                                String remotePath,
 115                                                Account account,
 116                                                RemoteOperationResult result);
 117     }
 118
 119     public OCFile getOCFile() {
 120         return mFile;
 121     }
 122
 123     public Account getAccount() {
 124         return mOCAccount;
 125     }
 126
 127 }