+++ /dev/null
-/* ownCloud Android client application
- * Copyright (C) 2012 Bartek Przybylski
- * Copyright (C) 2012-2014 ownCloud Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2,
- * as published by the Free Software Foundation.
- *
- * 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;
-
-import java.io.File;
-
-import android.accounts.Account;
-import android.content.Context;
-import android.content.Intent;
-import android.os.FileObserver;
-import android.os.Handler;
-
-import com.owncloud.android.datamodel.FileDataStorageManager;
-import com.owncloud.android.datamodel.OCFile;
-import com.owncloud.android.lib.common.operations.RemoteOperationResult;
-import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
-import com.owncloud.android.operations.SynchronizeFileOperation;
-import com.owncloud.android.ui.activity.ConflictsResolveActivity;
-import com.owncloud.android.utils.Log_OC;
-
-public class OwnCloudFileObserver extends FileObserver {
-
- //private static int MASK = (FileObserver.MODIFY | FileObserver.CLOSE_WRITE);
- public static int IN_IGNORE = 32768;
- public static int ALL_EVENTS_AND_MORE = 0xffffffff;
-
- private static String TAG = OwnCloudFileObserver.class.getSimpleName();
-
- private String mPath;
- //private int mMask;
- private Account mOCAccount;
- private Context mContext;
- private boolean mModified;
- private long mFileLastModified;
- //private boolean mRestartWatching;
- //private Handler mHandler;
-
- public OwnCloudFileObserver(String path, Account account, Context context, Handler handler) {
- super(path, ALL_EVENTS);
- if (path == null)
- throw new IllegalArgumentException("NULL path argument received");
- if (account == null)
- throw new IllegalArgumentException("NULL account argument received");
- if (context == null)
- throw new IllegalArgumentException("NULL context argument received");
- mPath = path;
- mOCAccount = account;
- mContext = context;
- mModified = false;
- mFileLastModified = new File(path).lastModified();
- //mHandler = handler;
- Log_OC.d(TAG, "Create Observer - FileLastModified: " + mFileLastModified);
- }
-
- @Override
- public void onEvent(int event, String path) {
- Log_OC.v(TAG, "Got event " + event + " on FILE " + mPath + " about "
- + ((path != null) ? path : ""));
-
- /*
- if ((event & MASK) == 0) {
- Log_OC.wtf(TAG, "Incorrect event " + event + " sent for file " + mPath
- + ((path != null) ? File.separator + path : "") + " with registered for " + mMask
- + " and original path " + mPath);
-
- // in case need start watching again
- if ((event & IN_IGNORE) != 0 && mRestartWatching) {
- mRestartWatching = false;
-
- mHandler.postDelayed(new Runnable() {
- public void run() {
- startWatching();
- }
- }, 5000);
-
- }
- } else {
- */
- if ((event & FileObserver.MODIFY) != 0) {
- // file changed
- mModified = true;
- }
- // not sure if it's possible, but let's assume that both kind of
- // events can be received at the same time
- if ((event & FileObserver.CLOSE_WRITE) != 0) {
- // file closed
- if (mModified) {
- mModified = false;
- //mRestartWatching = false;
- startSyncOperation();
-
- } else if (isFileUpdated()) {
- // if file has been modified but Modify event type has not
- // been launched
- //mRestartWatching = true;
- mFileLastModified = new File(mPath).lastModified();
- Log_OC.d(TAG, "CLOSE_WRITE - New FileLastModified: " + mFileLastModified);
- startSyncOperation();
- }
- }
- //}
- }
-
- private void startSyncOperation() {
- FileDataStorageManager storageManager = new FileDataStorageManager(mOCAccount, mContext.getContentResolver());
- // a fresh object is needed; many things could have occurred to the file
- // since it was registered to observe again, assuming that local files
- // are linked to a remote file AT MOST, SOMETHING TO BE DONE;
- OCFile file = storageManager.getFileByLocalPath(mPath);
- SynchronizeFileOperation sfo = new SynchronizeFileOperation(file, null, mOCAccount, true, mContext);
- RemoteOperationResult result = sfo.execute(storageManager, mContext);
- if (result.getCode() == ResultCode.SYNC_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(mContext, ConflictsResolveActivity.class);
- i.setFlags(i.getFlags() | Intent.FLAG_ACTIVITY_NEW_TASK);
- i.putExtra(ConflictsResolveActivity.EXTRA_FILE, file);
- i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mOCAccount);
- mContext.startActivity(i);
- }
- // TODO save other errors in some point where the user can inspect them
- // later;
- // or maybe just toast them;
- // or nothing, very strange fails
- }
-
- /**
- * Check if the timestamp of last file modification in local is more current
- * that the timestamp when setting observer to the file
- *
- * @return boolean: True if file is updated, False if not
- */
- private boolean isFileUpdated() {
- Log_OC.d(TAG, "FileLastModified: " + mFileLastModified);
- return (new File(mPath).lastModified() > mFileLastModified);
- }
-}