Grant that a favourite file in the device is watched if a redownload fails

[pub/Android/ownCloud.git] / src / com / owncloud / android / files / services / FileObserverService.java

diff --git a/src/com/owncloud/android/files/services/FileObserverService.java b/src/com/owncloud/android/files/services/FileObserverService.java
index 25b5f1c..70b6b21 100644 (file)
--- a/src/com/owncloud/android/files/services/FileObserverService.java
+++ b/src/com/owncloud/android/files/services/FileObserverService.java
@@ -1,5 +1,24 @@
+/* ownCloud Android client application
+ *   Copyright (C) 2012 Bartek Przybylski
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
 package com.owncloud.android.files.services;
 
+import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -7,6 +26,8 @@ import com.owncloud.android.AccountUtils;
 import com.owncloud.android.datamodel.FileDataStorageManager;
 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
 import com.owncloud.android.files.OwnCloudFileObserver;
+import com.owncloud.android.files.OwnCloudFileObserver.FileObserverStatusListener;
+import com.owncloud.android.ui.activity.ConflictsResolveActivity;
 
 import android.accounts.Account;
 import android.accounts.AccountManager;
@@ -20,7 +41,7 @@ import android.os.Binder;
 import android.os.IBinder;
 import android.util.Log;
 
-public class FileObserverService extends Service {
+public class FileObserverService extends Service implements FileObserverStatusListener {
 
     public final static String KEY_FILE_CMD = "KEY_FILE_CMD";
     public final static String KEY_CMD_ARG = "KEY_CMD_ARG";
@@ -30,7 +51,7 @@ public class FileObserverService extends Service {
     public final static int CMD_DEL_OBSERVED_FILE = 3;
     public final static int CMD_ADD_DOWNLOADING_FILE = 4;
 
-    private static String TAG = "FileObserverService";
+    private static String TAG = FileObserverService.class.getSimpleName();
     private static List<OwnCloudFileObserver> mObservers;
     private static List<DownloadCompletedReceiver> mDownloadReceivers;
     private static Object mReceiverListLock = new Object();
@@ -115,6 +136,7 @@ public class FileObserverService extends Service {
             observer.setAccount(account);
             observer.setStorageManager(storage);
             observer.setOCFile(storage.getFileByPath(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PATH))));
+            observer.addObserverStatusListener(this);
             observer.startWatching();
             mObservers.add(observer);
             Log.d(TAG, "Started watching file " + path);
@@ -147,6 +169,7 @@ public class FileObserverService extends Service {
                 new FileDataStorageManager(account, getContentResolver());
         observer.setStorageManager(storage);
         observer.setOCFile(storage.getFileByLocalPath(path));
+        observer.addObserverStatusListener(this);
 
         DownloadCompletedReceiver receiver = new DownloadCompletedReceiver(path, observer);
         registerReceiver(receiver, new IntentFilter(FileDownloader.DOWNLOAD_FINISH_MESSAGE));
@@ -159,17 +182,16 @@ public class FileObserverService extends Service {
         if (path == null) return;
         if (mObservers == null) {
             initializeObservedList();
-            return;
         }
         for (int i = 0; i < mObservers.size(); ++i) {
             OwnCloudFileObserver observer = mObservers.get(i);
             if (observer.getPath().equals(path)) {
                 observer.stopWatching();
                 mObservers.remove(i);
+                Log.d(TAG, "Stopped watching " + path);
                 break;
             }
         }
-        Log.d(TAG, "Stopped watching " + path);
     }
         
     private void addDownloadingFile(String remotePath) {
@@ -201,7 +223,29 @@ public class FileObserverService extends Service {
             mDownloadReceivers.remove(r);
         }
     }
-    
+
+    @Override
+    public void OnObservedFileStatusUpdate(String localPath, String remotePath, Account account, Status status) {
+        switch (status) {
+            case CONFLICT:
+            {
+                // ISSUE 5: if the user is not running the app (this is a service!), this can be very intrusive; a notification should be preferred
+                Intent i = new Intent(getApplicationContext(), ConflictsResolveActivity.class);
+                i.setFlags(i.getFlags() | Intent.FLAG_ACTIVITY_NEW_TASK);
+                i.putExtra("remotepath", remotePath);
+                i.putExtra("localpath", localPath);
+                i.putExtra("account", account);
+                startActivity(i);
+                break;
+            }
+            case SENDING_TO_UPLOADER:
+            case INCORRECT_MASK:
+                break;
+            default:
+                Log.wtf(TAG, "Unhandled status " + status);
+        }
+    }
+
     private class DownloadCompletedReceiver extends BroadcastReceiver {
         String mPath;
         OwnCloudFileObserver mObserver;
@@ -215,11 +259,15 @@ public class FileObserverService extends Service {
         @Override
         public void onReceive(Context context, Intent intent) {
             if (mPath.equals(intent.getStringExtra(FileDownloader.EXTRA_FILE_PATH))) {
-                context.unregisterReceiver(this);
-                removeReceiverFromList(this);
-                mObserver.startWatching();
-                Log.d(TAG, "Started watching " + mPath);
-                return;
+                if ((new File(mPath)).exists()) {   
+                    // the download could be successful, or not; in both cases, the file could be down, due to a former download or upload
+                    context.unregisterReceiver(this);
+                    removeReceiverFromList(this);
+                    mObserver.startWatching();
+                    Log.d(TAG, "Started watching " + mPath);
+                    return;
+                }   // else - keep waiting for a future retry of the download ; 
+                    // mObserver.startWatching() won't ever work if the file is not in the device when it's called 
             }
         }