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.files.OwnCloudFileObserver.FileObserverStatusListener.Status;
  28 import com.owncloud.android.files.services.FileUploader;
  29 import com.owncloud.android.network.OwnCloudClientUtils;
  30 import com.owncloud.android.operations.RemoteOperationResult;
  31 import com.owncloud.android.operations.SynchronizeFileOperation;
  32
  33 import eu.alefzero.webdav.WebdavClient;
  34
  35 import android.accounts.Account;
  36 import android.content.Context;
  37 import android.content.Intent;
  38 import android.os.FileObserver;
  39 import android.util.Log;
  40
  41 public class OwnCloudFileObserver extends FileObserver {
  42
  43     public static int CHANGES_ONLY = CLOSE_WRITE;
  44
  45     private static String TAG = OwnCloudFileObserver.class.getSimpleName();
  46     private String mPath;
  47     private int mMask;
  48     private DataStorageManager mStorage;
  49     private Account mOCAccount;
  50     private OCFile mFile;
  51     private Context mContext;
  52     private List<FileObserverStatusListener> mListeners;
  53
  54     public OwnCloudFileObserver(String path) {
  55         this(path, ALL_EVENTS);
  56     }
  57
  58     public OwnCloudFileObserver(String path, int mask) {
  59         super(path, mask);
  60         mPath = path;
  61         mMask = mask;
  62         mListeners = new LinkedList<FileObserverStatusListener>();
  63     }
  64
  65     public void setAccount(Account account) {
  66         mOCAccount = account;
  67     }
  68
  69     public void setStorageManager(DataStorageManager manager) {
  70         mStorage = manager;
  71     }
  72
  73     public void setOCFile(OCFile file) {
  74         mFile = file;
  75     }
  76
  77     public void setContext(Context context) {
  78         mContext = context;
  79     }
  80
  81     public String getPath() {
  82         return mPath;
  83     }
  84
  85     public String getRemotePath() {
  86         return mFile.getRemotePath();
  87     }
  88
  89     public void addObserverStatusListener(FileObserverStatusListener listener) {
  90         mListeners.add(listener);
  91     }
  92
  93     @Override
  94     public void onEvent(int event, String path) {
  95         Log.d(TAG, "Got file modified with event " + event + " and path " + mPath + ((path != null) ? File.separator + path : ""));
  96         if ((event & mMask) == 0) {
  97             Log.wtf(TAG, "Incorrect event " + event + " sent for file " + mPath + ((path != null) ? File.separator + path : "") +
  98                          " with registered for " + mMask + " and original path " +
  99                          mPath);
 100             for (FileObserverStatusListener l : mListeners)
 101                 l.OnObservedFileStatusUpdate(mPath, getRemotePath(), mOCAccount, Status.INCORRECT_MASK);
 102             return;
 103         }
 104         WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mOCAccount, mContext);
 105         SynchronizeFileOperation sfo = new SynchronizeFileOperation(mFile.getRemotePath(), mStorage, mOCAccount);
 106         RemoteOperationResult result = sfo.execute(wc);
 107
 108         if (result.getExtraData() == Boolean.TRUE) {
 109             // inform user about conflict and let him decide what to do
 110             for (FileObserverStatusListener l : mListeners)
 111                 l.OnObservedFileStatusUpdate(mPath, getRemotePath(), mOCAccount, Status.CONFLICT);
 112             return;
 113         }
 114
 115         for (FileObserverStatusListener l : mListeners)
 116             l.OnObservedFileStatusUpdate(mPath, getRemotePath(), mOCAccount, Status.SENDING_TO_UPLOADER);
 117
 118         Intent i = new Intent(mContext, FileUploader.class);
 119         i.putExtra(FileUploader.KEY_ACCOUNT, mOCAccount);
 120         i.putExtra(FileUploader.KEY_REMOTE_FILE, mFile.getRemotePath());
 121         i.putExtra(FileUploader.KEY_LOCAL_FILE, mPath);
 122         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 123         i.putExtra(FileUploader.KEY_FORCE_OVERWRITE, true);
 124         mContext.startService(i);
 125     }
 126
 127     public interface FileObserverStatusListener {
 128         public enum Status {
 129             SENDING_TO_UPLOADER,
 130             CONFLICT,
 131             INCORRECT_MASK
 132         }
 133
 134         public void OnObservedFileStatusUpdate(String localPath,
 135                                                String remotePath,
 136                                                Account account,
 137                                                FileObserverStatusListener.Status status);
 138     }
 139
 140 }