Merge branch 'develop' into refresh_folder_contents_when_browsed_into
authorDavid A. Velasco <dvelasco@solidgear.es>
Tue, 8 Oct 2013 06:52:14 +0000 (08:52 +0200)
committerDavid A. Velasco <dvelasco@solidgear.es>
Tue, 8 Oct 2013 06:52:14 +0000 (08:52 +0200)
16 files changed:
res/values/strings.xml
src/com/owncloud/android/datamodel/FileDataStorageManager.java
src/com/owncloud/android/datamodel/OCFile.java
src/com/owncloud/android/db/ProviderMeta.java
src/com/owncloud/android/operations/RemoteOperation.java
src/com/owncloud/android/operations/RemoteOperationResult.java
src/com/owncloud/android/operations/SynchronizeFileOperation.java
src/com/owncloud/android/operations/SynchronizeFolderOperation.java
src/com/owncloud/android/providers/FileContentProvider.java
src/com/owncloud/android/syncadapter/AbstractOwnCloudSyncAdapter.java
src/com/owncloud/android/syncadapter/FileSyncAdapter.java
src/com/owncloud/android/syncadapter/FileSyncService.java
src/com/owncloud/android/ui/activity/FileDisplayActivity.java
src/com/owncloud/android/ui/fragment/FileDetailFragment.java
src/com/owncloud/android/ui/fragment/OCFileListFragment.java
src/eu/alefzero/webdav/WebdavEntry.java

index 0872084..f36f7d7 100644 (file)
     <string name="sync_foreign_files_forgotten_ticker">Some local files were forgotten</string>
     <string name="sync_foreign_files_forgotten_content">%1$d files out of the %2$s directory could not be copied into</string>
     <string name="sync_foreign_files_forgotten_explanation">As of version 1.3.16, files uploaded from this device are copied into the local %1$s folder to prevent data loss when a single file is synced with multiple accounts.\n\nDue to this change, all files uploaded in previous versions of this app were copied into the %2$s folder. However, an error prevented the completion of this operation during account synchronization. You may either leave the file(s) as is and remove the link to %3$s, or move the file(s) into the %1$s directory and retain the link to %4$s.\n\nListed below are the local file(s), and the the remote file(s) in %5$s they were linked to.</string>
+       <string name="sync_current_folder_was_removed">Current folder does not exist</string>    
     <string name="foreign_files_move">"Move all"</string>
     <string name="foreign_files_success">"All files were moved"</string>
     <string name="foreign_files_fail">"Some files could not be moved"</string>
index 5f6321d..1c9ff7a 100644 (file)
@@ -126,7 +126,7 @@ public class FileDataStorageManager implements DataStorageManager {
         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
-        if (file.getParentId() != 0)
+        //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
             cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
         if (!file.isDirectory())
@@ -135,6 +135,7 @@ public class FileDataStorageManager implements DataStorageManager {
         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
+        cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 
         boolean sameRemotePath = fileExists(file.getRemotePath());
         boolean changesSizeOfAncestors = false;
@@ -222,7 +223,7 @@ public class FileDataStorageManager implements DataStorageManager {
             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
-            if (file.getParentId() != 0)
+            if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
             if (!file.isDirectory())
@@ -231,6 +232,7 @@ public class FileDataStorageManager implements DataStorageManager {
             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
+            cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 
             if (fileExists(file.getRemotePath())) {
                 OCFile oldFile = getFileByPath(file.getRemotePath());
@@ -472,6 +474,8 @@ public class FileDataStorageManager implements DataStorageManager {
                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
             file.setKeepInSync(c.getInt(
                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
+            file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
+                    
         }
         return file;
     }
@@ -674,7 +678,7 @@ public class FileDataStorageManager implements DataStorageManager {
         
         OCFile file; 
 
-        while (parentId != 0) {
+        while (parentId != DataStorageManager.ROOT_PARENT_ID) {
             
             // Update the size of the parent
             calculateFolderSize(parentId);
index 6b8e178..87a38a6 100644 (file)
@@ -60,6 +60,7 @@ public class OCFile implements Parcelable, Comparable<OCFile> {
 
     private String mEtag;
 
+
     /**
      * Create new {@link OCFile} with given path.
      * 
@@ -95,6 +96,7 @@ public class OCFile implements Parcelable, Comparable<OCFile> {
         mKeepInSync = source.readInt() == 1;
         mLastSyncDateForProperties = source.readLong();
         mLastSyncDateForData = source.readLong();
+        mEtag = source.readString();
     }
 
     @Override
@@ -112,6 +114,7 @@ public class OCFile implements Parcelable, Comparable<OCFile> {
         dest.writeInt(mKeepInSync ? 1 : 0);
         dest.writeLong(mLastSyncDateForProperties);
         dest.writeLong(mLastSyncDateForData);
+        dest.writeString(mEtag);
     }
     
     /**
@@ -319,6 +322,7 @@ public class OCFile implements Parcelable, Comparable<OCFile> {
         mLastSyncDateForData = 0;
         mKeepInSync = false;
         mNeedsUpdating = false;
+        mEtag = null;
     }
 
     /**
@@ -439,8 +443,8 @@ public class OCFile implements Parcelable, Comparable<OCFile> {
 
     @Override
     public String toString() {
-        String asString = "[id=%s, name=%s, mime=%s, downloaded=%s, local=%s, remote=%s, parentId=%s, keepInSinc=%s]";
-        asString = String.format(asString, Long.valueOf(mId), getFileName(), mMimeType, isDown(), mLocalPath, mRemotePath, Long.valueOf(mParentId), Boolean.valueOf(mKeepInSync));
+        String asString = "[id=%s, name=%s, mime=%s, downloaded=%s, local=%s, remote=%s, parentId=%s, keepInSinc=%s etag=%s]";
+        asString = String.format(asString, Long.valueOf(mId), getFileName(), mMimeType, isDown(), mLocalPath, mRemotePath, Long.valueOf(mParentId), Boolean.valueOf(mKeepInSync), mEtag);
         return asString;
     }
 
@@ -448,6 +452,10 @@ public class OCFile implements Parcelable, Comparable<OCFile> {
         return mEtag;
     }
 
+    public void setEtag(String etag) {
+        this.mEtag = etag;
+    }
+    
     public long getLocalModificationTimestamp() {
         if (mLocalPath != null && mLocalPath.length() > 0) {
             File f = new File(mLocalPath);
index b8058b8..521d4bb 100644 (file)
@@ -31,7 +31,7 @@ public class ProviderMeta {
     public static final String AUTHORITY_FILES = "org.owncloud";\r
     public static final String DB_FILE = "owncloud.db";\r
     public static final String DB_NAME = "filelist";\r
-    public static final int DB_VERSION = 4;\r
+    public static final int DB_VERSION = 5;\r
 \r
     private ProviderMeta() {\r
     }\r
@@ -61,6 +61,7 @@ public class ProviderMeta {
         public static final String FILE_LAST_SYNC_DATE = "last_sync_date";  // _for_properties, but let's keep it as it is\r
         public static final String FILE_LAST_SYNC_DATE_FOR_DATA = "last_sync_date_for_data";\r
         public static final String FILE_KEEP_IN_SYNC = "keep_in_sync";\r
+        public static final String FILE_ETAG = "etag";\r
 \r
         public static final String DEFAULT_SORT_ORDER = FILE_NAME\r
                 + " collate nocase asc";\r
index 4d7bcee..e05dadf 100644 (file)
@@ -136,14 +136,8 @@ public abstract class RemoteOperation implements Runnable {
         mCallerActivity = callerActivity;
         mClient = null;     // the client instance will be created from mAccount and mContext in the runnerThread to create below
         
-        if (listener == null) {
-            throw new IllegalArgumentException("Trying to execute a remote operation asynchronously without a listener to notiy the result");
-        }
         mListener = listener;
         
-        if (listenerHandler == null) {
-            throw new IllegalArgumentException("Trying to execute a remote operation asynchronously without a handler to the listener's thread");
-        }
         mListenerHandler = listenerHandler;
         
         Thread runnerThread = new Thread(this);
index 999974c..ca88210 100644 (file)
@@ -60,6 +60,7 @@ public class RemoteOperationResult implements Serializable {
         OK,
         OK_SSL,
         OK_NO_SSL,
+        OK_NO_CHANGES_ON_DIR,
         UNHANDLED_HTTP_CODE,
         UNAUTHORIZED,        
         FILE_NOT_FOUND, 
@@ -98,7 +99,7 @@ public class RemoteOperationResult implements Serializable {
 
     public RemoteOperationResult(ResultCode code) {
         mCode = code;
-        mSuccess = (code == ResultCode.OK || code == ResultCode.OK_SSL || code == ResultCode.OK_NO_SSL);
+        mSuccess = (code == ResultCode.OK || code == ResultCode.OK_SSL || code == ResultCode.OK_NO_SSL || code == ResultCode.OK_NO_CHANGES_ON_DIR);
     }
 
     private RemoteOperationResult(boolean success, int httpCode) {
index 5be116b..cb4485e 100644 (file)
@@ -215,6 +215,8 @@ public class SynchronizeFileOperation extends RemoteOperation {
         file.setFileLength(we.contentLength());
         file.setMimetype(we.contentType());
         file.setModificationTimestamp(we.modifiedTimestamp());
+        file.setEtag(we.etag());
+        
         return file;
     }
 
index 67c7389..433a090 100644 (file)
@@ -28,18 +28,19 @@ import java.util.List;
 import java.util.Map;
 import java.util.Vector;
 
-import org.apache.commons.httpclient.Header;
 import org.apache.http.HttpStatus;
 import org.apache.jackrabbit.webdav.MultiStatus;
 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
 
 import android.accounts.Account;
 import android.content.Context;
+import android.content.Intent;
 
 import com.owncloud.android.Log_OC;
 import com.owncloud.android.datamodel.DataStorageManager;
 import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
+import com.owncloud.android.syncadapter.FileSyncService;
 import com.owncloud.android.utils.FileStorageUtils;
 
 import eu.alefzero.webdav.WebdavClient;
@@ -48,51 +49,78 @@ import eu.alefzero.webdav.WebdavUtils;
 
 
 /**
- * Remote operation performing the synchronization a the contents of a remote folder with the local database
+ *  Remote operation performing the synchronization of the list of files contained 
+ *  in a folder identified with its remote path.
+ *  
+ *  Fetches the list and properties of the files contained in the given folder, including their 
+ *  properties, and updates the local database with them.
+ *  
+ *  Does NOT enter in the child folders to synchronize their contents also.
  * 
- * @author David A. Velasco
+ *  @author David A. Velasco
  */
 public class SynchronizeFolderOperation extends RemoteOperation {
 
     private static final String TAG = SynchronizeFolderOperation.class.getSimpleName();
 
-    /** Remote folder to synchronize */
-    private String mRemotePath;
     
-    /** Timestamp for the synchronization in progress */
+    /** Time stamp for the synchronization process in progress */
     private long mCurrentSyncTime;
     
-    /** Id of the folder to synchronize in the local database */
-    private long mParentId;
+    /** Remote folder to synchronize */
+    private OCFile mLocalFolder;
     
+    /** 'True' means that the properties of the folder should be updated also, not just its content */
+    private boolean mUpdateFolderProperties;
+
     /** Access to the local database */
     private DataStorageManager mStorageManager;
     
     /** Account where the file to synchronize belongs */
     private Account mAccount;
     
-    /** Android context; necessary to send requests to the download service; maybe something to refactor */
+    /** Android context; necessary to send requests to the download service */
     private Context mContext;
     
-    /** Files and folders contained in the synchronized folder */
+    /** Files and folders contained in the synchronized folder after a successful operation */
     private List<OCFile> mChildren;
 
+    /** Counter of conflicts found between local and remote files */
     private int mConflictsFound;
 
+    /** Counter of failed operations in synchronization of kept-in-sync files */
     private int mFailsInFavouritesFound;
 
+    /** Map of remote and local paths to files that where locally stored in a location out of the ownCloud folder and couldn't be copied automatically into it */
     private Map<String, String> mForgottenLocalFiles;
+
+    /** 'True' means that this operation is part of a full account synchronization */ 
+    private boolean mSyncFullAccount;
     
     
-    public SynchronizeFolderOperation(  String remotePath, 
+    /**
+     * Creates a new instance of {@link SynchronizeFolderOperation}.
+     * 
+     * @param   remoteFolderPath        Remote folder to synchronize.
+     * @param   currentSyncTime         Time stamp for the synchronization process in progress.
+     * @param   localFolderId           Identifier in the local database of the folder to synchronize.
+     * @param   updateFolderProperties  'True' means that the properties of the folder should be updated also, not just its content.
+     * @param   syncFullAccount         'True' means that this operation is part of a full account synchronization.
+     * @param   dataStorageManager      Interface with the local database.
+     * @param   account                 ownCloud account where the folder is located. 
+     * @param   context                 Application context.
+     */
+    public SynchronizeFolderOperation(  OCFile folder, 
                                         long currentSyncTime, 
-                                        long parentId, 
+                                        boolean updateFolderProperties,
+                                        boolean syncFullAccount,
                                         DataStorageManager dataStorageManager, 
                                         Account account, 
                                         Context context ) {
-        mRemotePath = remotePath;
+        mLocalFolder = folder;
         mCurrentSyncTime = currentSyncTime;
-        mParentId = parentId;
+        mUpdateFolderProperties = updateFolderProperties;
+        mSyncFullAccount = syncFullAccount;
         mStorageManager = dataStorageManager;
         mAccount = account;
         mContext = context;
@@ -115,142 +143,58 @@ public class SynchronizeFolderOperation extends RemoteOperation {
     /**
      * Returns the list of files and folders contained in the synchronized folder, if called after synchronization is complete.
      * 
-     * @return      List of files and folders contained in the synchronized folder.
+     * @return  List of files and folders contained in the synchronized folder.
      */
     public List<OCFile> getChildren() {
         return mChildren;
     }
     
-    
+    /**
+     * Performs the synchronization.
+     * 
+     * {@inheritDoc}
+     */
     @Override
     protected RemoteOperationResult run(WebdavClient client) {
         RemoteOperationResult result = null;
         mFailsInFavouritesFound = 0;
         mConflictsFound = 0;
         mForgottenLocalFiles.clear();
-        
-        // code before in FileSyncAdapter.fetchData
+        String remotePath = null;
         PropFindMethod query = null;
         try {
-            Log_OC.d(TAG, "Synchronizing " + mAccount.name + ", fetching files in " + mRemotePath);
-            
+            remotePath = mLocalFolder.getRemotePath();
+            Log_OC.d(TAG, "Synchronizing " + mAccount.name + remotePath);
+
             // remote request 
-            query = new PropFindMethod(client.getBaseUri() + WebdavUtils.encodePath(mRemotePath));
+            query = new PropFindMethod(client.getBaseUri() + WebdavUtils.encodePath(remotePath));
             int status = client.executeMethod(query);
-            
-            // check and process response   - /// TODO take into account all the possible status per child-resource
-            if (isMultiStatus(status)) { 
-                MultiStatus resp = query.getResponseBodyAsMultiStatus();
-            
-                // synchronize properties of the parent folder, if necessary
-                if (mParentId == DataStorageManager.ROOT_PARENT_ID) {
-                    WebdavEntry we = new WebdavEntry(resp.getResponses()[0], client.getBaseUri().getPath());
-                    OCFile parent = fillOCFile(we);
-                    mStorageManager.saveFile(parent);
-                    mParentId = parent.getFileId();
-                }
-                
-                // read contents in folder
-                List<OCFile> updatedFiles = new Vector<OCFile>(resp.getResponses().length - 1);
-                List<SynchronizeFileOperation> filesToSyncContents = new Vector<SynchronizeFileOperation>();
-                for (int i = 1; i < resp.getResponses().length; ++i) {
-                    /// new OCFile instance with the data from the server
-                    WebdavEntry we = new WebdavEntry(resp.getResponses()[i], client.getBaseUri().getPath());
-                    OCFile file = fillOCFile(we);
-                    
-                    /// set data about local state, keeping unchanged former data if existing
-                    file.setLastSyncDateForProperties(mCurrentSyncTime);
-                    OCFile oldFile = mStorageManager.getFileByPath(file.getRemotePath());
-                    if (oldFile != null) {
-                        file.setKeepInSync(oldFile.keepInSync());
-                        file.setLastSyncDateForData(oldFile.getLastSyncDateForData());
-                        file.setModificationTimestampAtLastSyncForData(oldFile.getModificationTimestampAtLastSyncForData());    // must be kept unchanged when the file contents are not updated
-                        checkAndFixForeignStoragePath(oldFile);
-                        file.setStoragePath(oldFile.getStoragePath());
-                    }
-
-                    /// scan default location if local copy of file is not linked in OCFile instance
-                    if (file.getStoragePath() == null && !file.isDirectory()) {
-                        File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
-                        if (f.exists()) {
-                            file.setStoragePath(f.getAbsolutePath());
-                            file.setLastSyncDateForData(f.lastModified());
-                        }
-                    }
-                    
-                    /// prepare content synchronization for kept-in-sync files
-                    if (file.keepInSync()) {
-                        SynchronizeFileOperation operation = new SynchronizeFileOperation(  oldFile,        
-                                                                                            file, 
-                                                                                            mStorageManager,
-                                                                                            mAccount,       
-                                                                                            true, 
-                                                                                            false,          
-                                                                                            mContext
-                                                                                            );
-                        filesToSyncContents.add(operation);
-                    }
-                
-                    updatedFiles.add(file);
-                }
-                                
-                // save updated contents in local database; all at once, trying to get a best performance in database update (not a big deal, indeed)
-                mStorageManager.saveFiles(updatedFiles);
-                
-                // request for the synchronization of files AFTER saving last properties
-                SynchronizeFileOperation op = null;
-                RemoteOperationResult contentsResult = null;
-                for (int i=0; i < filesToSyncContents.size(); i++) {
-                    op = filesToSyncContents.get(i);
-                    contentsResult = op.execute(client);   // returns without waiting for upload or download finishes
-                    if (!contentsResult.isSuccess()) {
-                        if (contentsResult.getCode() == ResultCode.SYNC_CONFLICT) {
-                            mConflictsFound++;
-                        } else {
-                            mFailsInFavouritesFound++;
-                            if (contentsResult.getException() != null) {
-                                Log_OC.e(TAG, "Error while synchronizing favourites : " +  contentsResult.getLogMessage(), contentsResult.getException());
-                            } else {
-                                Log_OC.e(TAG, "Error while synchronizing favourites : " + contentsResult.getLogMessage());
-                            }
-                        }
-                    }   // won't let these fails break the synchronization process
-                }
 
-                    
-                // removal of obsolete files
-                mChildren = mStorageManager.getDirectoryContent(mStorageManager.getFileById(mParentId));
-                OCFile file;
-                String currentSavePath = FileStorageUtils.getSavePath(mAccount.name);
-                for (int i=0; i < mChildren.size(); ) {
-                    file = mChildren.get(i);
-                    if (file.getLastSyncDateForProperties() != mCurrentSyncTime) {
-                        Log_OC.d(TAG, "removing file: " + file);
-                        mStorageManager.removeFile(file, (file.isDown() && file.getStoragePath().startsWith(currentSavePath)));
-                        mChildren.remove(i);
+            // check and process response
+            if (isMultiStatus(status)) {
+                boolean folderChanged = synchronizeData(query.getResponseBodyAsMultiStatus(), client);
+                if (folderChanged) {
+                    if (mConflictsFound > 0  || mFailsInFavouritesFound > 0) { 
+                        result = new RemoteOperationResult(ResultCode.SYNC_CONFLICT);   // should be different result, but will do the job
                     } else {
-                        i++;
+                        result = new RemoteOperationResult(true, status, query.getResponseHeaders());
                     }
+                } else {
+                    result = new RemoteOperationResult(ResultCode.OK_NO_CHANGES_ON_DIR);
                 }
                 
             } else {
+                // synchronization failed
                 client.exhaustResponse(query.getResponseBodyAsStream());
-            }
-            
-            // prepare result object
-            if (isMultiStatus(status)) {
-                if (mConflictsFound > 0  || mFailsInFavouritesFound > 0) { 
-                    result = new RemoteOperationResult(ResultCode.SYNC_CONFLICT);   // should be different result, but will do the job
-                            
-                } else {
-                    result = new RemoteOperationResult(true, status, query.getResponseHeaders());
+                if (status == HttpStatus.SC_NOT_FOUND) {
+                    if (mStorageManager.fileExists(mLocalFolder.getFileId())) {
+                        String currentSavePath = FileStorageUtils.getSavePath(mAccount.name);
+                        mStorageManager.removeDirectory(mLocalFolder, true, (mLocalFolder.isDown() && mLocalFolder.getStoragePath().startsWith(currentSavePath)));
+                    }
                 }
-            } else {
                 result = new RemoteOperationResult(false, status, query.getResponseHeaders());
             }
-            
-            
-            
+
         } catch (Exception e) {
             result = new RemoteOperationResult(e);
             
@@ -259,19 +203,172 @@ public class SynchronizeFolderOperation extends RemoteOperation {
             if (query != null)
                 query.releaseConnection();  // let the connection available for other methods
             if (result.isSuccess()) {
-                Log_OC.i(TAG, "Synchronizing " + mAccount.name + ", folder " + mRemotePath + ": " + result.getLogMessage());
+                Log_OC.i(TAG, "Synchronized " + mAccount.name + remotePath + ": " + result.getLogMessage());
             } else {
                 if (result.isException()) {
-                    Log_OC.e(TAG, "Synchronizing " + mAccount.name + ", folder " + mRemotePath + ": " + result.getLogMessage(), result.getException());
+                    Log_OC.e(TAG, "Synchroned " + mAccount.name + remotePath  + ": " + result.getLogMessage(), result.getException());
                 } else {
-                    Log_OC.e(TAG, "Synchronizing " + mAccount.name + ", folder " + mRemotePath + ": " + result.getLogMessage());
+                    Log_OC.e(TAG, "Synchroned " + mAccount.name + remotePath + ": " + result.getLogMessage());
                 }
             }
+            
+            if (!mSyncFullAccount) {            
+                sendStickyBroadcast(false, remotePath, result);
+            }
         }
-        
+
         return result;
     }
-    
+
+
+    /**
+     *  Synchronizes the data retrieved from the server about the contents of the target folder 
+     *  with the current data in the local database.
+     *  
+     *  Grants that mChildren is updated with fresh data after execution.
+     * 
+     *  @param dataInServer     Full response got from the server with the data of the target 
+     *                          folder and its direct children.
+     *  @param client           Client instance to the remote server where the data were 
+     *                          retrieved.  
+     *  @return                 'True' when any change was made in the local data, 'false' otherwise.
+     */
+    private boolean synchronizeData(MultiStatus dataInServer, WebdavClient client) {
+        // get 'fresh data' from the database
+        mLocalFolder = mStorageManager.getFileById(mLocalFolder.getFileId());
+        
+        // parse data from remote folder 
+        WebdavEntry we = new WebdavEntry(dataInServer.getResponses()[0], client.getBaseUri().getPath());
+        OCFile remoteFolder = fillOCFile(we);
+        remoteFolder.setParentId(mLocalFolder.getParentId());
+        remoteFolder.setFileId(mLocalFolder.getFileId());
+        
+        // check if remote and local folder are different
+        boolean folderChanged = !(remoteFolder.getEtag().equalsIgnoreCase(mLocalFolder.getEtag()));
+        
+        if (!folderChanged) {
+            if (mUpdateFolderProperties) {  // TODO check if this is really necessary
+                mStorageManager.saveFile(remoteFolder);
+            }
+            
+            mChildren = mStorageManager.getDirectoryContent(mLocalFolder);
+            
+        } else {
+            // read info of folder contents
+            List<OCFile> updatedFiles = new Vector<OCFile>(dataInServer.getResponses().length - 1);
+            List<SynchronizeFileOperation> filesToSyncContents = new Vector<SynchronizeFileOperation>();
+            
+            // loop to update every child
+            OCFile remoteFile = null, localFile = null;
+            for (int i = 1; i < dataInServer.getResponses().length; ++i) {
+                /// new OCFile instance with the data from the server
+                we = new WebdavEntry(dataInServer.getResponses()[i], client.getBaseUri().getPath());                        
+                remoteFile = fillOCFile(we);
+                remoteFile.setParentId(mLocalFolder.getFileId());
+
+                /// retrieve local data for the read file 
+                localFile = mStorageManager.getFileByPath(remoteFile.getRemotePath());
+                
+                /// add to the remoteFile (the new one) data about LOCAL STATE (not existing in the server side)
+                remoteFile.setLastSyncDateForProperties(mCurrentSyncTime);
+                if (localFile != null) {
+                    // properties of local state are kept unmodified 
+                    remoteFile.setKeepInSync(localFile.keepInSync());
+                    remoteFile.setLastSyncDateForData(localFile.getLastSyncDateForData());
+                    remoteFile.setModificationTimestampAtLastSyncForData(localFile.getModificationTimestampAtLastSyncForData());
+                    remoteFile.setStoragePath(localFile.getStoragePath());
+                    remoteFile.setEtag(localFile.getEtag());    // eTag will not be updated unless contents are synchronized (Synchronize[File|Folder]Operation with remoteFile as parameter)
+                } else {
+                    remoteFile.setEtag(""); // remote eTag will not be updated unless contents are synchronized (Synchronize[File|Folder]Operation with remoteFile as parameter)
+                }
+
+                /// check and fix, if need, local storage path
+                checkAndFixForeignStoragePath(remoteFile);      // fixing old policy - now local files must be copied into the ownCloud local folder 
+                searchForLocalFileInDefaultPath(remoteFile);    // legacy   
+
+                /// prepare content synchronization for kept-in-sync files
+                if (remoteFile.keepInSync()) {
+                    SynchronizeFileOperation operation = new SynchronizeFileOperation(  localFile,        
+                                                                                        remoteFile, 
+                                                                                        mStorageManager,
+                                                                                        mAccount,       
+                                                                                        true, 
+                                                                                        false,          
+                                                                                        mContext
+                                                                                        );
+                    filesToSyncContents.add(operation);
+                }
+                
+                updatedFiles.add(remoteFile);
+            }
+
+            // save updated contents in local database; all at once, trying to get a best performance in database update (not a big deal, indeed)
+            mStorageManager.saveFiles(updatedFiles);
+
+            // request for the synchronization of file contents AFTER saving current remote properties
+            startContentSynchronizations(filesToSyncContents, client);
+
+            // removal of obsolete files
+            removeObsoleteFiles();
+           
+            // must be done AFTER saving all the children information, so that eTag is not updated in the database in case of unexpected exceptions
+            mStorageManager.saveFile(remoteFolder);
+            
+        }
+        
+        return folderChanged;
+        
+    }
+
+
+    /**
+     *  Removes obsolete children in the folder after saving all the new data.
+     */
+    private void removeObsoleteFiles() {
+        mChildren = mStorageManager.getDirectoryContent(mLocalFolder);
+        OCFile file;
+        String currentSavePath = FileStorageUtils.getSavePath(mAccount.name);
+        for (int i=0; i < mChildren.size(); ) {
+            file = mChildren.get(i);
+            if (file.getLastSyncDateForProperties() != mCurrentSyncTime) {
+                Log_OC.d(TAG, "removing file: " + file);
+                mStorageManager.removeFile(file, (file.isDown() && file.getStoragePath().startsWith(currentSavePath)));
+                mChildren.remove(i);
+            } else {
+                i++;
+            }
+        }
+    }
+
+
+    /**
+     * Performs a list of synchronization operations, determining if a download or upload is needed or
+     * if exists conflict due to changes both in local and remote contents of the each file.
+     * 
+     * If download or upload is needed, request the operation to the corresponding service and goes on.
+     * 
+     * @param filesToSyncContents       Synchronization operations to execute.
+     * @param client                    Interface to the remote ownCloud server.
+     */
+    private void startContentSynchronizations(List<SynchronizeFileOperation> filesToSyncContents, WebdavClient client) {
+        RemoteOperationResult contentsResult = null;
+        for (SynchronizeFileOperation op: filesToSyncContents) {
+            contentsResult = op.execute(client);   // returns without waiting for upload or download finishes
+            if (!contentsResult.isSuccess()) {
+                if (contentsResult.getCode() == ResultCode.SYNC_CONFLICT) {
+                    mConflictsFound++;
+                } else {
+                    mFailsInFavouritesFound++;
+                    if (contentsResult.getException() != null) {
+                        Log_OC.e(TAG, "Error while synchronizing favourites : " +  contentsResult.getLogMessage(), contentsResult.getException());
+                    } else {
+                        Log_OC.e(TAG, "Error while synchronizing favourites : " + contentsResult.getLogMessage());
+                    }
+                }
+            }   // won't let these fails break the synchronization process
+        }
+    }
+
 
     public boolean isMultiStatus(int status) {
         return (status == HttpStatus.SC_MULTI_STATUS); 
@@ -290,7 +387,7 @@ public class SynchronizeFolderOperation extends RemoteOperation {
         file.setFileLength(we.contentLength());
         file.setMimetype(we.contentType());
         file.setModificationTimestamp(we.modifiedTimestamp());
-        file.setParentId(mParentId);
+        file.setEtag(we.etag());
         return file;
     }
     
@@ -301,7 +398,7 @@ public class SynchronizeFolderOperation extends RemoteOperation {
      * 
      * If the copy fails, the link to the local file is nullified. The account of forgotten files is kept in 
      * {@link #mForgottenLocalFiles}
-     * 
+     *) 
      * @param file      File to check and fix.
      */
     private void checkAndFixForeignStoragePath(OCFile file) {
@@ -359,4 +456,41 @@ public class SynchronizeFolderOperation extends RemoteOperation {
     }
 
 
+    /**
+     * Scans the default location for saving local copies of files searching for
+     * a 'lost' file with the same full name as the {@link OCFile} received as 
+     * parameter.
+     *  
+     * @param file      File to associate a possible 'lost' local file.
+     */
+    private void searchForLocalFileInDefaultPath(OCFile file) {
+        if (file.getStoragePath() == null && !file.isDirectory()) {
+            File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
+            if (f.exists()) {
+                file.setStoragePath(f.getAbsolutePath());
+                file.setLastSyncDateForData(f.lastModified());
+            }
+        }
+    }
+
+    
+    /**
+     * Sends a message to any application component interested in the progress of the synchronization.
+     * 
+     * @param inProgress        'True' when the synchronization progress is not finished.
+     * @param dirRemotePath     Remote path of a folder that was just synchronized (with or without success)
+     */
+    private void sendStickyBroadcast(boolean inProgress, String dirRemotePath, RemoteOperationResult result) {
+        Intent i = new Intent(FileSyncService.SYNC_MESSAGE);
+        i.putExtra(FileSyncService.IN_PROGRESS, inProgress);
+        i.putExtra(FileSyncService.ACCOUNT_NAME, mAccount.name);
+        if (dirRemotePath != null) {
+            i.putExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH, dirRemotePath);
+        }
+        if (result != null) {
+            i.putExtra(FileSyncService.SYNC_RESULT, result);
+        }
+        mContext.sendStickyBroadcast(i);
+    }
+
 }
index bd2b807..cc70d63 100644 (file)
@@ -78,6 +78,8 @@ public class FileContentProvider extends ContentProvider {
                 ProviderTableMeta.FILE_KEEP_IN_SYNC);
         mProjectionMap.put(ProviderTableMeta.FILE_ACCOUNT_OWNER,
                 ProviderTableMeta.FILE_ACCOUNT_OWNER);
+        mProjectionMap.put(ProviderTableMeta.FILE_ETAG, 
+                ProviderTableMeta.FILE_ETAG);
     }
 
     private static final int SINGLE_FILE = 1;
@@ -229,7 +231,8 @@ public class FileContentProvider extends ContentProvider {
                     + ProviderTableMeta.FILE_LAST_SYNC_DATE + " INTEGER, "
                     + ProviderTableMeta.FILE_KEEP_IN_SYNC + " INTEGER, "
                     + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " INTEGER, "
-                    + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " INTEGER );"
+                    + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " INTEGER, "
+                    + ProviderTableMeta.FILE_ETAG + " TEXT );"
                     );
         }
 
@@ -283,8 +286,24 @@ public class FileContentProvider extends ContentProvider {
             }
             if (!upgraded)
                 Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion + ", newVersion == " + newVersion);
+        
+            if (oldVersion < 5 && newVersion >= 5) {
+                Log_OC.i("SQL", "Entering in the #4 ADD in onUpgrade");
+                db.beginTransaction();
+                try {
+                    db .execSQL("ALTER TABLE " + ProviderTableMeta.DB_NAME +
+                            " ADD COLUMN " + ProviderTableMeta.FILE_ETAG + " TEXT " +
+                            " DEFAULT NULL");
+                    
+                    upgraded = true;
+                    db.setTransactionSuccessful();
+                } finally {
+                    db.endTransaction();
+                }
+            }
+            if (!upgraded)
+                Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion + ", newVersion == " + newVersion);
         }
-
     }
 
 }
index e9f7a9b..26bfff7 100644 (file)
 package com.owncloud.android.syncadapter;\r
 \r
 import java.io.IOException;\r
-import java.net.UnknownHostException;\r
-import java.util.Date;\r
+//import java.net.UnknownHostException;\r
+//import java.util.Date;\r
 \r
 import org.apache.http.HttpRequest;\r
 import org.apache.http.HttpResponse;\r
 import org.apache.http.client.ClientProtocolException;\r
-import org.apache.http.conn.ConnectionKeepAliveStrategy;\r
-import org.apache.http.protocol.HttpContext;\r
+//import org.apache.http.conn.ConnectionKeepAliveStrategy;\r
+//import org.apache.http.protocol.HttpContext;\r
 \r
 import com.owncloud.android.authentication.AccountUtils;\r
 import com.owncloud.android.authentication.AccountUtils.AccountNotFoundException;\r
@@ -43,11 +43,13 @@ import android.content.Context;
 import eu.alefzero.webdav.WebdavClient;\r
 \r
 /**\r
- * Base SyncAdapter for OwnCloud Designed to be subclassed for the concrete\r
- * SyncAdapter, like ConcatsSync, CalendarSync, FileSync etc..\r
+ * Base synchronization adapter for ownCloud designed to be subclassed for different\r
+ * resource types, like FileSync, ConcatsSync, CalendarSync, etc..\r
  * \r
- * @author sassman\r
+ * Implements the standard {@link AbstractThreadedSyncAdapter}.\r
  * \r
+ * @author sassman\r
+ * @author David A. Velasco\r
  */\r
 public abstract class AbstractOwnCloudSyncAdapter extends\r
         AbstractThreadedSyncAdapter {\r
@@ -55,7 +57,7 @@ public abstract class AbstractOwnCloudSyncAdapter extends
     private AccountManager accountManager;\r
     private Account account;\r
     private ContentProviderClient contentProvider;\r
-    private Date lastUpdated;\r
+    //private Date lastUpdated;\r
     private DataStorageManager mStoreManager;\r
 \r
     private WebdavClient mClient = null;\r
@@ -89,14 +91,6 @@ public abstract class AbstractOwnCloudSyncAdapter extends
         this.contentProvider = contentProvider;\r
     }\r
 \r
-    public Date getLastUpdated() {\r
-        return lastUpdated;\r
-    }\r
-\r
-    public void setLastUpdated(Date lastUpdated) {\r
-        this.lastUpdated = lastUpdated;\r
-    }\r
-\r
     public void setStorageManager(DataStorageManager storage_manager) {\r
         mStoreManager = storage_manager;\r
     }\r
@@ -105,6 +99,41 @@ public abstract class AbstractOwnCloudSyncAdapter extends
         return mStoreManager;\r
     }\r
 \r
+    protected void initClientForCurrentAccount() throws OperationCanceledException, AuthenticatorException, IOException, AccountNotFoundException {\r
+        AccountUtils.constructFullURLForAccount(getContext(), account);\r
+        mClient = OwnCloudClientUtils.createOwnCloudClient(account, getContext());\r
+    }\r
+    \r
+    protected WebdavClient getClient() {\r
+        return mClient;\r
+    }\r
+    \r
+    \r
+    /* method called by ContactSyncAdapter, that is never used */\r
+    protected HttpResponse fireRawRequest(HttpRequest query)\r
+            throws ClientProtocolException, OperationCanceledException,\r
+            AuthenticatorException, IOException {\r
+        /*\r
+         * BasicHttpContext httpContext = new BasicHttpContext(); BasicScheme\r
+         * basicAuth = new BasicScheme();\r
+         * httpContext.setAttribute("preemptive-auth", basicAuth);\r
+         * \r
+         * HttpResponse response = getClient().execute(mHost, query,\r
+         * httpContext);\r
+         */\r
+        return null;\r
+    }\r
+\r
+    /* methods never used  below */\r
+    /*\r
+    public Date getLastUpdated() {\r
+        return lastUpdated;\r
+    }\r
+\r
+    public void setLastUpdated(Date lastUpdated) {\r
+        this.lastUpdated = lastUpdated;\r
+    }\r
+\r
     protected ConnectionKeepAliveStrategy getKeepAliveStrategy() {\r
         return new ConnectionKeepAliveStrategy() {\r
             public long getKeepAliveDuration(HttpResponse response,\r
@@ -128,27 +157,5 @@ public abstract class AbstractOwnCloudSyncAdapter extends
             }\r
         };\r
     }\r
-\r
-    protected HttpResponse fireRawRequest(HttpRequest query)\r
-            throws ClientProtocolException, OperationCanceledException,\r
-            AuthenticatorException, IOException {\r
-        /*\r
-         * BasicHttpContext httpContext = new BasicHttpContext(); BasicScheme\r
-         * basicAuth = new BasicScheme();\r
-         * httpContext.setAttribute("preemptive-auth", basicAuth);\r
-         * \r
-         * HttpResponse response = getClient().execute(mHost, query,\r
-         * httpContext);\r
-         */\r
-        return null;\r
-    }\r
-\r
-    protected void initClientForCurrentAccount() throws OperationCanceledException, AuthenticatorException, IOException, AccountNotFoundException {\r
-        AccountUtils.constructFullURLForAccount(getContext(), account);\r
-        mClient = OwnCloudClientUtils.createOwnCloudClient(account, getContext());\r
-    }\r
-    \r
-    protected WebdavClient getClient() {\r
-        return mClient;\r
-    }\r
+     */\r
 }
\ No newline at end of file
index 49f88f9..4b40ff4 100644 (file)
@@ -30,7 +30,6 @@ import com.owncloud.android.Log_OC;
 import com.owncloud.android.R;
 import com.owncloud.android.authentication.AccountAuthenticator;
 import com.owncloud.android.authentication.AuthenticatorActivity;
-import com.owncloud.android.datamodel.DataStorageManager;
 import com.owncloud.android.datamodel.FileDataStorageManager;
 import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.operations.RemoteOperationResult;
@@ -38,13 +37,13 @@ import com.owncloud.android.operations.SynchronizeFolderOperation;
 import com.owncloud.android.operations.UpdateOCVersionOperation;
 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
 import com.owncloud.android.ui.activity.ErrorsWhileCopyingHandlerActivity;
-import com.owncloud.android.utils.FileStorageUtils;
 
 import android.accounts.Account;
 import android.accounts.AccountsException;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
+import android.content.AbstractThreadedSyncAdapter;
 import android.content.ContentProviderClient;
 import android.content.ContentResolver;
 import android.content.Context;
@@ -53,36 +52,60 @@ import android.content.SyncResult;
 import android.os.Bundle;
 
 /**
- * SyncAdapter implementation for syncing sample SyncAdapter contacts to the
- * platform ContactOperations provider.
+ * Implementation of {@link AbstractThreadedSyncAdapter} responsible for synchronizing 
+ * ownCloud files.
+ * 
+ * Performs a full synchronization of the account recieved in {@link #onPerformSync(Account, Bundle, String, ContentProviderClient, SyncResult)}.
  * 
  * @author Bartek Przybylski
  * @author David A. Velasco
  */
 public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
 
-    private final static String TAG = "FileSyncAdapter";
+    private final static String TAG = FileSyncAdapter.class.getSimpleName();
 
-    /** 
-     * Maximum number of failed folder synchronizations that are supported before finishing the synchronization operation
-     */
+    /** Maximum number of failed folder synchronizations that are supported before finishing the synchronization operation */
     private static final int MAX_FAILED_RESULTS = 3; 
     
+    
+    /** Time stamp for the current synchronization process, used to distinguish fresh data */
     private long mCurrentSyncTime;
+    
+    /** Flag made 'true' when a request to cancel the synchronization is received */
     private boolean mCancellation;
+    
+    /** When 'true' the process was requested by the user through the user interface; when 'false', it was requested automatically by the system */
     private boolean mIsManualSync;
-    private int mFailedResultsCounter;    
+    
+    /** Counter for failed operations in the synchronization process */
+    private int mFailedResultsCounter;
+    
+    /** Result of the last failed operation */
     private RemoteOperationResult mLastFailedResult;
-    private SyncResult mSyncResult;
+    
+    /** Counter of conflicts found between local and remote files */
     private int mConflictsFound;
+    
+    /** Counter of failed operations in synchronization of kept-in-sync files */
     private int mFailsInFavouritesFound;
+    
+    /** Map of remote and local paths to files that where locally stored in a location out of the ownCloud folder and couldn't be copied automatically into it */
     private Map<String, String> mForgottenLocalFiles;
 
+    /** {@link SyncResult} instance to return to the system when the synchronization finish */
+    private SyncResult mSyncResult;
     
+    
+    /**
+     * Creates an {@link FileSyncAdapter}
+     *
+     * {@inheritDoc}
+     */
     public FileSyncAdapter(Context context, boolean autoInitialize) {
         super(context, autoInitialize);
     }
 
+    
     /**
      * {@inheritDoc}
      */
@@ -100,20 +123,20 @@ public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
         mForgottenLocalFiles = new HashMap<String, String>();
         mSyncResult = syncResult;
         mSyncResult.fullSyncRequested = false;
-        mSyncResult.delayUntil = 60*60*24; // sync after 24h
+        mSyncResult.delayUntil = 60*60*24; // avoid too many automatic synchronizations
 
         this.setAccount(account);
         this.setContentProvider(provider);
-        this.setStorageManager(new FileDataStorageManager(account, getContentProvider()));
+        this.setStorageManager(new FileDataStorageManager(account, provider));
         try {
             this.initClientForCurrentAccount();
         } catch (IOException e) {
-            /// the account is unknown for the Synchronization Manager, or unreachable for this context; don't try this again
+            /// the account is unknown for the Synchronization Manager, unreachable this context, or can not be authenticated; don't try this again
             mSyncResult.tooManyRetries = true;
             notifyFailedSynchronization();
             return;
         } catch (AccountsException e) {
-            /// the account is unknown for the Synchronization Manager, or unreachable for this context; don't try this again
+            /// the account is unknown for the Synchronization Manager, unreachable this context, or can not be authenticated; don't try this again
             mSyncResult.tooManyRetries = true;
             notifyFailedSynchronization();
             return;
@@ -126,10 +149,10 @@ public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
             updateOCVersion();
             mCurrentSyncTime = System.currentTimeMillis();
             if (!mCancellation) {
-                fetchData(OCFile.PATH_SEPARATOR, DataStorageManager.ROOT_PARENT_ID);
+                synchronizeFolder(getStorageManager().getFileByPath(OCFile.PATH_SEPARATOR), true);
                 
             } else {
-                Log_OC.d(TAG, "Leaving synchronization before any remote request due to cancellation was requested");
+                Log_OC.d(TAG, "Leaving synchronization before synchronizing the root folder because cancelation request");
             }
             
             
@@ -143,14 +166,12 @@ public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
                 
                 /// notify the user about the failure of MANUAL synchronization
                 notifyFailedSynchronization();
-                
             }
             if (mConflictsFound > 0 || mFailsInFavouritesFound > 0) {
                 notifyFailsInFavourites();
             }
             if (mForgottenLocalFiles.size() > 0) {
                 notifyForgottenLocalFiles();
-                
             }
             sendStickyBroadcast(false, null, mLastFailedResult);        // message to signal the end to the UI
         }
@@ -160,8 +181,12 @@ public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
     /**
      * Called by system SyncManager when a synchronization is required to be cancelled.
      * 
-     * Sets the mCancellation flag to 'true'. THe synchronization will be stopped when before a new folder is fetched. Data of the last folder
-     * fetched will be still saved in the database. See onPerformSync implementation.
+     * Sets the mCancellation flag to 'true'. THe synchronization will be stopped later, 
+     * before a new folder is fetched. Data of the last folder synchronized will be still 
+     * locally saved. 
+     * 
+     * See {@link #onPerformSync(Account, Bundle, String, ContentProviderClient, SyncResult)}
+     * and {@link #synchronizeFolder(String, long)}.
      */
     @Override
     public void onSyncCanceled() {
@@ -184,20 +209,38 @@ public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
     
     
     /**
-     * Synchronize the properties of files and folders contained in a remote folder given by remotePath.
+     *  Synchronizes the list of files contained in a folder identified with its remote path.
+     *  
+     *  Fetches the list and properties of the files contained in the given folder, including their 
+     *  properties, and updates the local database with them.
+     *  
+     *  Enters in the child folders to synchronize their contents also, following a recursive
+     *  depth first strategy. 
      * 
-     * @param remotePath        Remote path to the folder to synchronize.
-     * @param parentId          Database Id of the folder to synchronize.
+     *  @param folder                   Folder to synchronize.
+     *  @param updateFolderProperties   When 'true', updates also the properties of the of the target folder.
      */
-    private void fetchData(String remotePath, long parentId) {
+    private void synchronizeFolder(OCFile folder, boolean updateFolderProperties) {
         
         if (mFailedResultsCounter > MAX_FAILED_RESULTS || isFinisher(mLastFailedResult))
             return;
         
-        // perform folder synchronization
-        SynchronizeFolderOperation synchFolderOp = new SynchronizeFolderOperation(  remotePath, 
+        /*
+        OCFile folder, 
+        long currentSyncTime, 
+        boolean updateFolderProperties,
+        boolean syncFullAccount,
+        DataStorageManager dataStorageManager, 
+        Account account, 
+        Context context ) {
+            
+        }
+        */
+        // folder synchronization
+        SynchronizeFolderOperation synchFolderOp = new SynchronizeFolderOperation(  folder, 
                                                                                     mCurrentSyncTime, 
-                                                                                    parentId, 
+                                                                                    updateFolderProperties,
+                                                                                    true,
                                                                                     getStorageManager(), 
                                                                                     getAccount(), 
                                                                                     getContext()
@@ -206,8 +249,9 @@ public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
         
         
         // synchronized folder -> notice to UI - ALWAYS, although !result.isSuccess
-        sendStickyBroadcast(true, remotePath, null);
+        sendStickyBroadcast(true, folder.getRemotePath(), null);
         
+        // check the result of synchronizing the folder
         if (result.isSuccess() || result.getCode() == ResultCode.SYNC_CONFLICT) {
             
             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
@@ -221,11 +265,13 @@ public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
             List<OCFile> children = synchFolderOp.getChildren();
             fetchChildren(children);    // beware of the 'hidden' recursion here!
             
-            sendStickyBroadcast(true, remotePath, null);
+            // update folder size again after recursive synchronization
+            getStorageManager().calculateFolderSize(folder.getFileId());  
+            sendStickyBroadcast(true, folder.getRemotePath(), null);        // notify again
             
         } else {
+            // in failures, the statistics for the global result are updated
             if (result.getCode() == RemoteOperationResult.ResultCode.UNAUTHORIZED ||
-                   // (result.isTemporalRedirection() && result.isIdPRedirection() &&
                     ( result.isIdPRedirection() && 
                             AccountAuthenticator.AUTH_TOKEN_TYPE_SAML_WEB_SSO_SESSION_COOKIE.equals(getClient().getAuthTokenType()))) {
                 mSyncResult.stats.numAuthExceptions++;
@@ -261,23 +307,20 @@ public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
     }
 
     /**
-     * Synchronize data of folders in the list of received files
+     * Triggers the synchronization of any folder contained in the list of received files.
      * 
-     * @param files         Files to recursively fetch 
+     * @param files         Files to recursively synchronize.
      */
     private void fetchChildren(List<OCFile> files) {
         int i;
         for (i=0; i < files.size() && !mCancellation; i++) {
             OCFile newFile = files.get(i);
             if (newFile.isDirectory()) {
-                fetchData(newFile.getRemotePath(), newFile.getFileId());
-                
-                // Update folder size on DB
-                getStorageManager().calculateFolderSize(newFile.getFileId());                   
+                synchronizeFolder(newFile, false);
             }
         }
        
-        if (mCancellation && i <files.size()) Log_OC.d(TAG, "Leaving synchronization before synchronizing " + files.get(i).getRemotePath() + " because cancelation request");
+        if (mCancellation && i <files.size()) Log_OC.d(TAG, "Leaving synchronization before synchronizing " + files.get(i).getRemotePath() + " due to cancelation request");
     }
 
     
index f6c70dc..abb3657 100644 (file)
@@ -22,12 +22,15 @@ import android.content.Intent;
 import android.os.IBinder;\r
 \r
 /**\r
- * Background service for syncing files to our local Database\r
+ * Background service for synchronizing remote files with their local state.\r
  * \r
- * @author Bartek Przybylski\r
+ * Serves as a connector to an instance of {@link FileSyncAdapter}, as required by standard Android APIs. \r
  * \r
+ * @author Bartek Przybylski\r
+ * @author David A. Velasco\r
  */\r
 public class FileSyncService extends Service {\r
+    \r
     public static final String SYNC_MESSAGE = "ACCOUNT_SYNC";\r
     public static final String SYNC_FOLDER_REMOTE_PATH = "SYNC_FOLDER_REMOTE_PATH";\r
     public static final String IN_PROGRESS = "SYNC_IN_PROGRESS";\r
@@ -48,4 +51,5 @@ public class FileSyncService extends Service {
     public IBinder onBind(Intent intent) {\r
        return new FileSyncAdapter(getApplicationContext(), true).getSyncAdapterBinder();\r
     }\r
+    \r
 }\r
index db47d46..1e41889 100644 (file)
@@ -22,8 +22,8 @@ import java.io.File;
 
 import android.accounts.Account;
 import android.app.AlertDialog;
-import android.app.ProgressDialog;
 import android.app.Dialog;
+import android.app.ProgressDialog;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.ContentResolver;
@@ -72,15 +72,16 @@ import com.owncloud.android.operations.CreateFolderOperation;
 import com.owncloud.android.operations.OnRemoteOperationListener;
 import com.owncloud.android.operations.RemoteOperation;
 import com.owncloud.android.operations.RemoteOperationResult;
+import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
 import com.owncloud.android.operations.RemoveFileOperation;
 import com.owncloud.android.operations.RenameFileOperation;
 import com.owncloud.android.operations.SynchronizeFileOperation;
-import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
+import com.owncloud.android.operations.SynchronizeFolderOperation;
 import com.owncloud.android.syncadapter.FileSyncService;
 import com.owncloud.android.ui.dialog.EditNameDialog;
+import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
 import com.owncloud.android.ui.dialog.LoadingDialog;
 import com.owncloud.android.ui.dialog.SslValidatorDialog;
-import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
 import com.owncloud.android.ui.fragment.FileDetailFragment;
 import com.owncloud.android.ui.fragment.FileFragment;
@@ -117,6 +118,7 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
     private View mRightFragmentContainer;
 
     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
+    private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 
     public static final int DIALOG_SHORT_WAIT = 0;
     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
@@ -137,6 +139,8 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
 
     private OCFile mWaitingToPreview;
     private Handler mHandler;
+    
+    private boolean mSyncInProgress = false;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -166,10 +170,12 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
         /// Load of saved instance state
         if(savedInstanceState != null) {
             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
-
+            mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
+           
         } else {
             mWaitingToPreview = null;
-        }
+            mSyncInProgress = false;
+        }        
 
         /// USER INTERFACE
 
@@ -185,7 +191,7 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
         // Action bar setup
         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
-        setSupportProgressBarIndeterminateVisibility(false);    // always AFTER setContentView(...) ; to work around bug in its implementation
+        setSupportProgressBarIndeterminateVisibility(mSyncInProgress);    // always AFTER setContentView(...) ; to work around bug in its implementation        
         
         Log_OC.d(TAG, "onCreate() end");
     }
@@ -458,8 +464,9 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
             FileFragment second = getSecondFragment();
             OCFile currentDir = getCurrentDir();
             if((currentDir != null && currentDir.getParentId() != 0) || 
-                    (second != null && second.getFile() != null)) {
+                    (second != null && second.getFile() != null)) {                
                 onBackPressed(); 
+                
             }
             break;
         }
@@ -602,6 +609,7 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
             setFile(listOfFiles.getCurrentFile());
         }
         cleanSecondFragment();
+
     }
 
     @Override
@@ -610,6 +618,8 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
         Log_OC.e(TAG, "onSaveInstanceState() start");
         super.onSaveInstanceState(outState);
         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
+        outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
+
         Log_OC.d(TAG, "onSaveInstanceState() end");
     }
     
@@ -852,38 +862,45 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
         public void onReceive(Context context, Intent intent) {
             boolean inProgress = intent.getBooleanExtra(FileSyncService.IN_PROGRESS, false);
             String accountName = intent.getStringExtra(FileSyncService.ACCOUNT_NAME);
+            RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncService.SYNC_RESULT);
 
             Log_OC.d(TAG, "sync of account " + accountName + " is in_progress: " + inProgress);
-
+            
             if (getAccount() != null && accountName.equals(getAccount().name)) {  
 
                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH); 
 
-                boolean fillBlankRoot = false;
-                OCFile currentDir = getCurrentDir();
-                if (currentDir == null) {
-                    currentDir = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
-                    fillBlankRoot = (currentDir != null);                   
-                }
+                OCFile currentFile = mStorageManager.getFileById(getFile().getFileId());
+                OCFile currentDir = mStorageManager.getFileById(getCurrentDir().getFileId());
 
-                if ((synchFolderRemotePath != null && currentDir != null && (currentDir.getRemotePath().equals(synchFolderRemotePath)))
-                        || fillBlankRoot ) {
-                    if (!fillBlankRoot) 
-                        currentDir = getStorageManager().getFileByPath(synchFolderRemotePath);
-                    OCFileListFragment fileListFragment = getListOfFilesFragment();
-                    if (fileListFragment != null) {
-                        fileListFragment.listDirectory(currentDir);
+                if (currentDir == null) {
+                    // current folder was removed from the server 
+                    Toast.makeText(FileDisplayActivity.this, getString(R.string.sync_current_folder_was_removed), Toast.LENGTH_LONG)
+                        .show();
+                    onBackPressed();
+                    
+                } else {
+                    if (currentFile == null && !getFile().isDirectory()) {
+                        // currently selected file was removed in the server, and now we know it
+                        cleanSecondFragment();
+                        currentFile = currentDir;
                     }
-                    if (getSecondFragment() == null)
-                        setFile(currentDir);
+                
+                    if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
+                        OCFileListFragment fileListFragment = getListOfFilesFragment();
+                        if (fileListFragment != null) {
+                            fileListFragment.listDirectory(currentDir);
+                        }
+                    }
+                    setFile(currentFile);
                 }
                 
                 setSupportProgressBarIndeterminateVisibility(inProgress);
                 removeStickyBroadcast(intent);
+                mSyncInProgress = inProgress;
 
             }
-
-            RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncService.SYNC_RESULT);
+            
             if (synchResult != null) {
                 if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
                     mLastSslUntrustedServerResult = synchResult;
@@ -892,7 +909,7 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
             }
         }
     }
-
+    
 
     private class UploadFinishReceiver extends BroadcastReceiver {
         /**
@@ -966,6 +983,10 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
     public void onBrowsedDownTo(OCFile directory) {
         pushDirname(directory);
         cleanSecondFragment();
+        
+        // Sync Folder
+        startSyncFolderOperation(directory);
+        
     }
 
     /**
@@ -1054,6 +1075,19 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
     }
 
 
+//    private void updateDisplayHomeAtSync(){
+//        ActionBar actionBar = getSupportActionBar();
+//        OCFile currentDir = getCurrentDir();
+//        if (currentDir.getParentId() != DataStorageManager.ROOT_PARENT_ID) {
+//            actionBar.setHomeButtonEnabled(!mSyncInProgress);
+//            actionBar.setDisplayHomeAsUpEnabled(!mSyncInProgress);
+//        }
+//        else {
+//            actionBar.setHomeButtonEnabled(true);
+//            actionBar.setDisplayHomeAsUpEnabled(false);
+//        }
+//    }
+//    
     /**
      * {@inheritDoc}
      */
@@ -1174,7 +1208,8 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
 
         } else if (operation instanceof CreateFolderOperation) {
             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
-        }
+            
+        } 
     }
 
 
@@ -1222,7 +1257,6 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
             refeshListOfFilesFragment();
 
         } else {
-            //dismissDialog(DIALOG_SHORT_WAIT);
             dismissLoadingDialog();
             try {
                 Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG); 
@@ -1283,10 +1317,7 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
                 startActivity(i);
 
-            } else {
-                Toast msg = Toast.makeText(this, R.string.sync_file_fail_msg, Toast.LENGTH_LONG); 
-                msg.show();
-            }
+            } 
 
         } else {
             if (operation.transferWasRequested()) {
@@ -1363,5 +1394,36 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
         }
         return null;
     }
+    
+    public void startSyncFolderOperation(OCFile folder) {
+        long currentSyncTime = System.currentTimeMillis(); 
+        
+        mSyncInProgress = true;
+                
+        // perform folder synchronization
+        RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,  
+                                                                        currentSyncTime, 
+                                                                        false,
+                                                                        false,
+                                                                        getStorageManager(), 
+                                                                        getAccount(), 
+                                                                        getApplicationContext()
+                                                                      );
+        synchFolderOp.execute(getAccount(), this, null, null, this);
+        
+        setSupportProgressBarIndeterminateVisibility(true);
+    }
 
+    
+//    public void enableDisableViewGroup(ViewGroup viewGroup, boolean enabled) {
+//        int childCount = viewGroup.getChildCount();
+//        for (int i = 0; i < childCount; i++) {
+//          View view = viewGroup.getChildAt(i);
+//          view.setEnabled(enabled);
+//          view.setClickable(!enabled);
+//          if (view instanceof ViewGroup) {
+//            enableDisableViewGroup((ViewGroup) view, enabled);
+//          }
+//        }
+//      }
 }
index 5380a88..b5f1186 100644 (file)
@@ -829,10 +829,7 @@ public class FileDetailFragment extends FileFragment implements
                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
                 startActivity(i);
                 
-            } else {
-                Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG); 
-                msg.show();
-            }
+            } 
             
             if (file.isDown()) {
                 setButtonsForDown();
index be596eb..58ad639 100644 (file)
@@ -128,10 +128,22 @@ public class OCFileListFragment extends ExtendedListFragment implements EditName
         
         if(mFile != null){
             DataStorageManager storageManager = mContainerActivity.getStorageManager();
-            parentDir = storageManager.getFileById(mFile.getParentId());
-            mFile = parentDir;
+            if (mFile.getParentId() == 0) {
+                parentDir = storageManager.getFileById(1);
+            }
+            else {
+                parentDir = storageManager.getFileById(mFile.getParentId());
+            }            
+            
+            mFile = parentDir;           
         }
-        listDirectory(parentDir);
+        
+        if (mFile != null) {
+            listDirectory(mFile);
+
+            mContainerActivity.startSyncFolderOperation(mFile);
+        }
+   
     }
     
     @Override
@@ -371,7 +383,6 @@ public class OCFileListFragment extends ExtendedListFragment implements EditName
                 mList.setSelectionFromTop(0, 0);
             }
             mFile = directory;
-
         }
     }
     
@@ -396,6 +407,8 @@ public class OCFileListFragment extends ExtendedListFragment implements EditName
         public void startMediaPreview(OCFile file, int i, boolean b);
 
         public void startImagePreview(OCFile file);
+        
+        public void startSyncFolderOperation(OCFile folder);
 
         /**
          * Getter for the current DataStorageManager in the container activity
index 46923c6..665a850 100644 (file)
@@ -28,7 +28,7 @@ import com.owncloud.android.Log_OC;
 import android.net.Uri;
 
 public class WebdavEntry {
-    private String mName, mPath, mUri, mContentType;
+    private String mName, mPath, mUri, mContentType, mEtag;
     private long mContentLength, mCreateTimestamp, mModifiedTimestamp;
 
     public WebdavEntry(MultiStatusResponse ms, String splitElement) {
@@ -42,8 +42,10 @@ public class WebdavEntry {
             DavPropertySet propSet = ms.getProperties(status);
             @SuppressWarnings("rawtypes")
             DavProperty prop = propSet.get(DavPropertyName.DISPLAYNAME);
-            if (prop != null)
+            if (prop != null) {
                 mName = (String) prop.getName().toString();
+                mName = mName.substring(1, mName.length()-1);
+            }
             else {
                 String[] tmp = mPath.split("/");
                 if (tmp.length > 0)
@@ -87,6 +89,12 @@ public class WebdavEntry {
                         .parseResponseDate((String) prop.getValue());
                 mCreateTimestamp = (d != null) ? d.getTime() : 0;
             }
+            
+            prop = propSet.get(DavPropertyName.GETETAG);
+            if (prop != null) {
+                mEtag = (String) prop.getValue();
+                mEtag = mEtag.substring(1, mEtag.length()-1);
+            }
 
         } else {
             Log_OC.e("WebdavEntry",
@@ -129,6 +137,10 @@ public class WebdavEntry {
     public long modifiedTimestamp() {
         return mModifiedTimestamp;
     }
+    
+    public String etag() {
+        return mEtag;
+    }
 
     private void resetData() {
         mName = mUri = mContentType = null;