com.synox.android.ui.activity.FileActivity.java Source code

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Here is the source code for com.synox.android.ui.activity.FileActivity.java

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/**
 * ownCloud Android client application
 *
 * @author David A. Velasco
 * Copyright (C) 2011  Bartek Przybylski
 * Copyright (C) 2015 ownCloud Inc.
 * <p/>
 * 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.
 * <p/>
 * 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.
 * <p/>
 * 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.synox.android.ui.activity;

import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AccountManagerCallback;
import android.accounts.AccountManagerFuture;
import android.accounts.AuthenticatorException;
import android.accounts.OperationCanceledException;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.content.SyncRequest;
import android.content.res.Configuration;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.preference.PreferenceManager;
import android.support.design.widget.NavigationView;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.AdapterView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import com.synox.android.BuildConfig;
import com.synox.android.MainApp;
import com.synox.android.R;
import com.synox.android.authentication.AccountUtils;
import com.synox.android.authentication.AuthenticatorActivity;
import com.synox.android.datamodel.FileDataStorageManager;
import com.synox.android.datamodel.OCFile;
import com.synox.android.files.FileOperationsHelper;
import com.synox.android.files.services.FileDownloader;
import com.synox.android.files.services.FileDownloader.FileDownloaderBinder;
import com.synox.android.files.services.FileUploader;
import com.synox.android.files.services.FileUploader.FileUploaderBinder;
import com.synox.android.lib.common.OwnCloudAccount;
import com.synox.android.lib.common.OwnCloudClient;
import com.synox.android.lib.common.OwnCloudClientManagerFactory;
import com.synox.android.lib.common.OwnCloudCredentials;
import com.synox.android.lib.common.operations.OnRemoteOperationListener;
import com.synox.android.lib.common.operations.RemoteOperation;
import com.synox.android.lib.common.operations.RemoteOperationResult;
import com.synox.android.lib.common.operations.RemoteOperationResult.ResultCode;
import com.synox.android.lib.common.utils.Log_OC;
import com.synox.android.lib.resources.status.OCCapability;
import com.synox.android.operations.CreateShareViaLinkOperation;
import com.synox.android.operations.CreateShareWithShareeOperation;
import com.synox.android.operations.GetSharesForFileOperation;
import com.synox.android.operations.SynchronizeFileOperation;
import com.synox.android.operations.SynchronizeFolderOperation;
import com.synox.android.operations.UnshareOperation;
import com.synox.android.operations.UpdateSharePermissionsOperation;
import com.synox.android.operations.UpdateShareViaLinkOperation;
import com.synox.android.services.OperationsService;
import com.synox.android.services.OperationsService.OperationsServiceBinder;
import com.synox.android.ui.NavigationDrawerItem;
import com.synox.android.ui.adapter.NavigationDrawerListAdapter;
import com.synox.android.ui.dialog.LoadingDialog;
import com.synox.android.ui.dialog.SharePasswordDialogFragment;
import com.synox.android.ui.fragment.OCFileListFragment;
import com.synox.android.utils.DisplayUtils;
import com.synox.android.utils.ErrorMessageAdapter;
import com.synox.android.utils.FileStorageUtils;
import com.synox.android.utils.ThumbnailUtils;

import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.GetMethod;
import org.json.JSONObject;

import java.io.IOException;
import java.util.ArrayList;

/**
 * Activity with common behaviour for activities handling {@link OCFile}s in ownCloud
 * {@link Account}s .
 */
public class FileActivity extends AppCompatActivity implements OnRemoteOperationListener, ComponentsGetter {

    public static final String EXTRA_FILE = "com.owncloud.android.ui.activity.FILE";
    public static final String EXTRA_ACCOUNT = "com.owncloud.android.ui.activity.ACCOUNT";
    public static final String EXTRA_FROM_NOTIFICATION = "com.owncloud.android.ui.activity.FROM_NOTIFICATION";

    public static final String TAG = FileActivity.class.getSimpleName();

    private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";

    private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
    private static final String DIALOG_SHARE_PASSWORD = "DIALOG_SHARE_PASSWORD";
    private static final String KEY_TRY_SHARE_AGAIN = "TRY_SHARE_AGAIN";
    private static final String KEY_ACTION_BAR_TITLE = "ACTION_BAR_TITLE";

    protected static final long DELAY_TO_REQUEST_OPERATIONS_LATER = 200;

    /**
     * OwnCloud {@link Account} where the main {@link OCFile} handled by the activity is located.
     */
    private Account mAccount;

    /**
     * Capabilites of the server where {@link #mAccount} lives
     */
    private OCCapability mCapabilities;

    /**
     * Main {@link OCFile} handled by the activity.
     */
    private OCFile mFile;

    /**
     * Flag to signal that the activity will is finishing to enforce the creation of an ownCloud
     * {@link Account}
     */
    private boolean mRedirectingToSetupAccount = false;

    /**
     * Flag to signal when the value of mAccount was set
     */
    protected boolean mAccountWasSet;

    /**
     * Flag to signal when the value of mAccount was restored from a saved state
     */
    protected boolean mAccountWasRestored;

    /**
     * Flag to signal if the activity is launched by a notification
     */
    private boolean mFromNotification;

    /**
     * Messages handler associated to the main thread and the life cycle of the activity
     */
    private Handler mHandler;

    /**
     * Access point to the cached database for the current ownCloud {@link Account}
     */
    private FileDataStorageManager mStorageManager = null;

    private FileOperationsHelper mFileOperationsHelper;

    private ServiceConnection mOperationsServiceConnection = null;

    private OperationsServiceBinder mOperationsServiceBinder = null;

    private boolean mResumed = false;

    protected FileDownloaderBinder mDownloaderBinder = null;
    protected FileUploaderBinder mUploaderBinder = null;
    private ServiceConnection mDownloadServiceConnection, mUploadServiceConnection = null;

    // Navigation Drawer
    protected DrawerLayout mDrawerLayout;
    protected ActionBarDrawerToggle mDrawerToggle;
    protected ListView mDrawerList;

    // Slide menu items
    protected String[] mDrawerTitles;
    protected String[] mDrawerContentDescriptions;

    protected ArrayList<NavigationDrawerItem> mDrawerItems;

    protected NavigationDrawerListAdapter mNavigationDrawerAdapter = null;

    // TODO re-enable when "Accounts" is available in Navigation Drawer
    //    protected boolean mShowAccounts = false;

    /**
     * Loads the ownCloud {@link Account} and main {@link OCFile} to be handled by the instance of
     * the {@link FileActivity}.
     * <p/>
     * Grants that a valid ownCloud {@link Account} is associated to the instance, or that the user
     * is requested to create a new one.
     */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mHandler = new Handler();
        mFileOperationsHelper = new FileOperationsHelper(this);
        Account account = null;
        if (savedInstanceState != null) {
            mFile = savedInstanceState.getParcelable(FileActivity.EXTRA_FILE);
            mFromNotification = savedInstanceState.getBoolean(FileActivity.EXTRA_FROM_NOTIFICATION);
            mFileOperationsHelper
                    .setOpIdWaitingFor(savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID, Long.MAX_VALUE));
            if (getSupportActionBar() != null) {
                getSupportActionBar().setTitle(savedInstanceState.getString(KEY_ACTION_BAR_TITLE));
            }
        } else {
            account = getIntent().getParcelableExtra(FileActivity.EXTRA_ACCOUNT);
            mFile = getIntent().getParcelableExtra(FileActivity.EXTRA_FILE);
            mFromNotification = getIntent().getBooleanExtra(FileActivity.EXTRA_FROM_NOTIFICATION, false);
        }

        AccountUtils.updateAccountVersion(this); // best place, before any access to AccountManager
        // or database

        setAccount(account, savedInstanceState != null);

        mOperationsServiceConnection = new OperationsServiceConnection();
        bindService(new Intent(this, OperationsService.class), mOperationsServiceConnection,
                Context.BIND_AUTO_CREATE);

        mDownloadServiceConnection = newTransferenceServiceConnection();
        if (mDownloadServiceConnection != null) {
            bindService(new Intent(this, FileDownloader.class), mDownloadServiceConnection,
                    Context.BIND_AUTO_CREATE);
        }
        mUploadServiceConnection = newTransferenceServiceConnection();
        if (mUploadServiceConnection != null) {
            bindService(new Intent(this, FileUploader.class), mUploadServiceConnection, Context.BIND_AUTO_CREATE);
        }

    }

    @Override
    protected void onNewIntent(Intent intent) {
        Log_OC.v(TAG, "onNewIntent() start");
        Account current = AccountUtils.getCurrentOwnCloudAccount(this);
        if (current != null && mAccount != null && !mAccount.name.equals(current.name)) {
            mAccount = current;
        }
        Log_OC.v(TAG, "onNewIntent() stop");
    }

    /**
     * Since ownCloud {@link Account}s can be managed from the system setting menu,
     * the existence of the {@link Account} associated to the instance must be checked
     * every time it is restarted.
     */
    @Override
    protected void onRestart() {
        Log_OC.v(TAG, "onRestart() start");
        super.onRestart();
        boolean validAccount = (mAccount != null && AccountUtils.exists(mAccount, this));
        if (!validAccount) {
            swapToDefaultAccount();
        }
        Log_OC.v(TAG, "onRestart() end");
    }

    @Override
    protected void onStart() {
        super.onStart();
        if (mAccountWasSet) {
            onAccountSet(mAccountWasRestored);
        }
    }

    @Override
    protected void onResume() {
        super.onResume();
        mResumed = true;
        if (mOperationsServiceBinder != null) {
            doOnResumeAndBound();
        }
    }

    @Override
    protected void onPause() {
        if (mOperationsServiceBinder != null) {
            mOperationsServiceBinder.removeOperationListener(this);
        }
        mResumed = false;
        super.onPause();
    }

    @Override
    protected void onDestroy() {
        if (mOperationsServiceConnection != null) {
            unbindService(mOperationsServiceConnection);
            mOperationsServiceBinder = null;
        }
        if (mDownloadServiceConnection != null) {
            unbindService(mDownloadServiceConnection);
            mDownloadServiceConnection = null;
        }
        if (mUploadServiceConnection != null) {
            unbindService(mUploadServiceConnection);
            mUploadServiceConnection = null;
        }

        super.onDestroy();
    }

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        // Sync the toggle state after onRestoreInstanceState has occurred.
        if (mDrawerToggle != null) {
            mDrawerToggle.syncState();
            if (isDrawerOpen()) {
                getSupportActionBar().setTitle(R.string.app_name);
                mDrawerToggle.setDrawerIndicatorEnabled(true);
            }
        }
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        if (mDrawerToggle != null) {
            mDrawerToggle.onConfigurationChanged(newConfig);
        }
    }

    @Override
    public void onBackPressed() {
        if (isDrawerOpen()) {
            closeNavDrawer();
            return;
        }
        super.onBackPressed();
    }

    /**
     * checks if the drawer exists and is opened.
     *
     * @return <code>true</code> if the drawer is open, else <code>false</code>
     */
    public boolean isDrawerOpen() {
        return mDrawerLayout != null && mDrawerLayout.isDrawerOpen(GravityCompat.START);
    }

    /**
     * closes the navigation drawer.
     */
    public void closeNavDrawer() {
        if (mDrawerLayout != null) {
            mDrawerLayout.closeDrawer(GravityCompat.START);
        }
    }

    protected void initDrawer() {
        // constant settings for action bar when navigation drawer is inited
        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        // Notification Drawer
        final NavigationView navigationDrawerLayout = (NavigationView) findViewById(R.id.left_drawer);
        mDrawerList = (ListView) navigationDrawerLayout.findViewById(R.id.drawer_list);

        // Display username in drawer
        setUsernameInDrawer(navigationDrawerLayout,
                AccountUtils.getCurrentOwnCloudAccount(getApplicationContext()));

        // load slide menu items
        mDrawerTitles = getResources().getStringArray(R.array.drawer_items);

        // nav drawer content description from resources
        mDrawerContentDescriptions = getResources().getStringArray(R.array.drawer_content_descriptions);

        // nav drawer items
        mDrawerItems = new ArrayList<>();
        // All Files
        mDrawerItems
                .add(new NavigationDrawerItem(mDrawerTitles[0], mDrawerContentDescriptions[0], R.drawable.ic_home));

        // Sync
        mDrawerItems.add(
                new NavigationDrawerItem(mDrawerTitles[1], mDrawerContentDescriptions[1], R.drawable.ic_refresh));

        // Sort
        mDrawerItems
                .add(new NavigationDrawerItem(mDrawerTitles[2], mDrawerContentDescriptions[2], R.drawable.ic_sort));

        // Settings
        mDrawerItems.add(
                new NavigationDrawerItem(mDrawerTitles[3], mDrawerContentDescriptions[3], R.drawable.ic_settings));
        // Logs
        if (BuildConfig.DEBUG) {
            mDrawerItems.add(
                    new NavigationDrawerItem(mDrawerTitles[4], mDrawerContentDescriptions[4], R.drawable.ic_debug));
        }

        // setting the nav drawer list adapter
        mNavigationDrawerAdapter = new NavigationDrawerListAdapter(getApplicationContext(), this, mDrawerItems);
        mDrawerList.setAdapter(mNavigationDrawerAdapter);

        mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.drawer_open,
                R.string.drawer_close) {

            /** Called when a drawer has settled in a completely closed state. */
            public void onDrawerClosed(View view) {
                super.onDrawerClosed(view);
                updateActionBarTitleAndHomeButton(null);
                invalidateOptionsMenu();
            }

            /** Called when a drawer has settled in a completely open state. */
            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
                getSupportActionBar().setTitle(R.string.drawer_item_all_files);
                mDrawerToggle.setDrawerIndicatorEnabled(true);

                // Display username in drawer
                setUsernameInDrawer(navigationDrawerLayout,
                        AccountUtils.getCurrentOwnCloudAccount(getApplicationContext()));
                invalidateOptionsMenu();
            }
        };

        // Set the list's click listener
        mDrawerList.setOnItemClickListener(new DrawerItemClickListener());

        // Set the drawer toggle as the DrawerListener
        mDrawerLayout.setDrawerListener(mDrawerToggle);
        mDrawerToggle.setDrawerIndicatorEnabled(false);
    }

    /**
     * sets the given account name in the drawer in case the drawer is available. The account name
     * is shortened beginning from the @-sign in the username.
     *
     * @param navigationDrawerLayout the drawer layout to be used
     * @param account                the account to be set in the drawer
     */
    protected void setUsernameInDrawer(final NavigationView navigationDrawerLayout, Account account) {
        if (navigationDrawerLayout != null && account != null) {
            TextView username = (TextView) navigationDrawerLayout.findViewById(R.id.drawer_username);
            TextView serverName = (TextView) navigationDrawerLayout.findViewById(R.id.drawer_server);
            int lastAtPos = account.name.lastIndexOf("@");
            String user = account.name.substring(0, lastAtPos);
            username.setText(user);
            serverName.setText(account.name.substring(lastAtPos, account.name.length()));

            // set user avatar
            ImageView userIcon = (ImageView) navigationDrawerLayout.findViewById(R.id.userIcon);
            ThumbnailUtils.processAvatar(getBaseContext(), mAccount, userIcon, R.drawable.ic_account_circle);

            // set user quota information
            getUserQuota(navigationDrawerLayout, user);
        }
    }

    /**
     * Updates title bar and home buttons (state and icon).
     * <p/>
     * Assumes that navigation drawer is NOT visible.
     */
    protected void updateActionBarTitleAndHomeButton(OCFile chosenFile) {
        String title = getString(R.string.default_display_name_for_root_folder); // default
        boolean inRoot;

        /// choose the appropiate title
        if (chosenFile == null) {
            chosenFile = mFile; // if no file is passed, current file decides
        }
        inRoot = (chosenFile == null
                || (chosenFile.isFolder() && chosenFile.getParentId() == FileDataStorageManager.ROOT_PARENT_ID));
        if (!inRoot) {
            title = chosenFile.getFileName();
        }

        /// set the chosen title
        getSupportActionBar().setTitle(title);
        /// also as content description
        View actionBarTitleView = getWindow().getDecorView()
                .findViewById(getResources().getIdentifier("action_bar_title", "id", "android"));
        if (actionBarTitleView != null) { // it's null in Android 2.x
            actionBarTitleView.setContentDescription(title);
        }

        /// set home button properties
        mDrawerToggle.setDrawerIndicatorEnabled(inRoot);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setDisplayShowTitleEnabled(true);

    }

    /**
     * Sets and validates the ownCloud {@link Account} associated to the Activity.
     * <p/>
     * If not valid, tries to swap it for other valid and existing ownCloud {@link Account}.
     * <p/>
     * POSTCONDITION: updates {@link #mAccountWasSet} and {@link #mAccountWasRestored}.
     *
     * @param account      New {@link Account} to set.
     * @param savedAccount When 'true', account was retrieved from a saved instance state.
     */
    protected void setAccount(Account account, boolean savedAccount) {
        Account oldAccount = mAccount;
        boolean validAccount = (account != null
                && AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), account.name));
        if (validAccount) {
            mAccount = account;
            mAccountWasSet = true;
            mAccountWasRestored = (savedAccount || mAccount.equals(oldAccount));
        } else {
            swapToDefaultAccount();
        }
    }

    /**
     * Tries to swap the current ownCloud {@link Account} for other valid and existing.
     * <p/>
     * If no valid ownCloud {@link Account} exists, the the user is requested
     * to create a new ownCloud {@link Account}.
     * <p/>
     * POSTCONDITION: updates {@link #mAccountWasSet} and {@link #mAccountWasRestored}.
     */
    private void swapToDefaultAccount() {
        // default to the most recently used account
        Account newAccount = AccountUtils.getCurrentOwnCloudAccount(getApplicationContext());
        if (newAccount == null) {
            /// no account available: force account creation
            createFirstAccount();
            mRedirectingToSetupAccount = true;
            mAccountWasSet = false;
            mAccountWasRestored = false;

        } else {
            mAccountWasSet = true;
            mAccountWasRestored = (newAccount.equals(mAccount));
            mAccount = newAccount;
        }
    }

    /**
     * Launches the account creation activity. To use when no ownCloud account is available
     */
    private void createFirstAccount() {
        AccountManager am = AccountManager.get(getApplicationContext());
        am.addAccount(MainApp.getAccountType(), null, null, null, this, new AccountCreationCallback(), null);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void onSaveInstanceState(Bundle outState) {
        outState.putParcelable(FileActivity.EXTRA_FILE, mFile);
        outState.putBoolean(FileActivity.EXTRA_FROM_NOTIFICATION, mFromNotification);
        outState.putLong(KEY_WAITING_FOR_OP_ID, mFileOperationsHelper.getOpIdWaitingFor());
        if (getSupportActionBar() != null && getSupportActionBar().getTitle() != null) {
            // Null check in case the actionbar is used in ActionBar.NAVIGATION_MODE_LIST
            // since it doesn't have a title then
            outState.putString(KEY_ACTION_BAR_TITLE, getSupportActionBar().getTitle().toString());
        }
        super.onSaveInstanceState(outState);
    }

    /**
     * Getter for the main {@link OCFile} handled by the activity.
     *
     * @return Main {@link OCFile} handled by the activity.
     */
    public OCFile getFile() {
        return mFile;
    }

    /**
     * Setter for the main {@link OCFile} handled by the activity.
     *
     * @param file Main {@link OCFile} to be handled by the activity.
     */
    public void setFile(OCFile file) {
        mFile = file;
    }

    /**
     * Getter for the ownCloud {@link Account} where the main {@link OCFile} handled by the activity
     * is located.
     *
     * @return OwnCloud {@link Account} where the main {@link OCFile} handled by the activity
     * is located.
     */
    public Account getAccount() {
        return mAccount;
    }

    protected void setAccount(Account account) {
        mAccount = account;
    }

    /**
     * Getter for the capabilities of the server where the current OC account lives.
     *
     * @return Capabilities of the server where the current OC account lives. Null if the account is not
     * set yet.
     */
    public OCCapability getCapabilities() {
        return mCapabilities;
    }

    /**
     * @return Value of mFromNotification: True if the Activity is launched by a notification
     */
    public boolean fromNotification() {
        return mFromNotification;
    }

    /**
     * @return 'True' when the Activity is finishing to enforce the setup of a new account.
     */
    protected boolean isRedirectingToSetupAccount() {
        return mRedirectingToSetupAccount;
    }

    public OperationsServiceBinder getOperationsServiceBinder() {
        return mOperationsServiceBinder;
    }

    protected ServiceConnection newTransferenceServiceConnection() {
        return null;
    }

    /**
     * Helper class handling a callback from the {@link AccountManager} after the creation of
     * a new ownCloud {@link Account} finished, successfully or not.
     * <p/>
     * At this moment, only called after the creation of the first account.
     */
    public class AccountCreationCallback implements AccountManagerCallback<Bundle> {

        @Override
        public void run(AccountManagerFuture<Bundle> future) {
            FileActivity.this.mRedirectingToSetupAccount = false;
            boolean accountWasSet = false;
            if (future != null) {
                try {
                    Bundle result;
                    result = future.getResult();
                    String name = result.getString(AccountManager.KEY_ACCOUNT_NAME);
                    String type = result.getString(AccountManager.KEY_ACCOUNT_TYPE);
                    if (AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), name)) {
                        setAccount(new Account(name, type), false);
                        accountWasSet = true;
                    }
                } catch (OperationCanceledException e) {
                    Log_OC.d(TAG, "Account creation canceled");

                } catch (Exception e) {
                    Log_OC.e(TAG, "Account creation finished in exception: ", e);
                }

            } else {
                Log_OC.e(TAG, "Account creation callback with null bundle");
            }
            if (!accountWasSet) {
                moveTaskToBack(true);
            }
        }

    }

    /**
     * Called when the ownCloud {@link Account} associated to the Activity was just updated.
     * <p/>
     * Child classes must grant that state depending on the {@link Account} is updated.
     */
    protected void onAccountSet(boolean stateWasRecovered) {
        if (getAccount() != null) {
            mStorageManager = new FileDataStorageManager(getAccount(), getContentResolver());
            mCapabilities = mStorageManager.getCapability(mAccount.name);

        } else {
            Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
        }
    }

    public FileDataStorageManager getStorageManager() {
        return mStorageManager;
    }

    public OnRemoteOperationListener getRemoteOperationListener() {
        return this;
    }

    public Handler getHandler() {
        return mHandler;
    }

    public FileOperationsHelper getFileOperationsHelper() {
        return mFileOperationsHelper;
    }

    /**
     * @param operation Removal operation performed.
     * @param result    Result of the removal.
     */
    @Override
    public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
        Log_OC.d(TAG,
                "Received result of operation in FileActivity - common behaviour for all the " + "FileActivities ");

        mFileOperationsHelper.setOpIdWaitingFor(Long.MAX_VALUE);

        dismissLoadingDialog();

        if (!result.isSuccess() && (result.getCode() == ResultCode.UNAUTHORIZED || result.isIdPRedirection()
                || (result.isException() && result.getException() instanceof AuthenticatorException))) {

            requestCredentialsUpdate(this);

            if (result.getCode() == ResultCode.UNAUTHORIZED) {
                dismissLoadingDialog();
                Toast t = Toast.makeText(this,
                        ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
                        Toast.LENGTH_LONG);
                t.show();
            }

        } else if (operation == null || operation instanceof CreateShareWithShareeOperation
                || operation instanceof UnshareOperation || operation instanceof SynchronizeFolderOperation
                || operation instanceof UpdateShareViaLinkOperation
                || operation instanceof UpdateSharePermissionsOperation) {
            if (result.isSuccess()) {
                updateFileFromDB();

            } else if (result.getCode() != ResultCode.CANCELLED) {
                Toast t = Toast.makeText(this,
                        ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
                        Toast.LENGTH_LONG);
                t.show();
            }

        } else if (operation instanceof CreateShareViaLinkOperation) {
            onCreateShareViaLinkOperationFinish((CreateShareViaLinkOperation) operation, result);

        } else if (operation instanceof SynchronizeFileOperation) {
            onSynchronizeFileOperationFinish((SynchronizeFileOperation) operation, result);

        } else if (operation instanceof GetSharesForFileOperation) {
            if (result.isSuccess() || result.getCode() == ResultCode.SHARE_NOT_FOUND) {
                updateFileFromDB();

            } else {
                Toast t = Toast.makeText(this,
                        ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
                        Toast.LENGTH_LONG);
                t.show();
            }
        }
    }

    /**
     * Invalidates the credentials stored for the current OC account and requests new credentials to the user,
     * navigating to {@link AuthenticatorActivity}
     *
     * @param context Android Context needed to access the {@link AccountManager}. Received as a parameter
     *                to make the method accessible to {@link android.content.BroadcastReceiver}s.
     */
    protected void requestCredentialsUpdate(Context context) {

        try {
            /// step 1 - invalidate credentials of current account
            OwnCloudClient client;
            OwnCloudAccount ocAccount = new OwnCloudAccount(getAccount(), context);
            client = (OwnCloudClientManagerFactory.getDefaultSingleton().removeClientFor(ocAccount));
            if (client != null) {
                OwnCloudCredentials cred = client.getCredentials();
                if (cred != null) {
                    AccountManager am = AccountManager.get(context);
                    if (cred.authTokenExpires()) {
                        am.invalidateAuthToken(getAccount().type, cred.getAuthToken());
                    } else {
                        am.clearPassword(getAccount());
                    }
                }
            }

            /// step 2 - request credentials to user
            Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
            updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, getAccount());
            updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACTION,
                    AuthenticatorActivity.ACTION_UPDATE_EXPIRED_TOKEN);
            updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
            startActivity(updateAccountCredentials);

        } catch (com.synox.android.lib.common.accounts.AccountUtils.AccountNotFoundException e) {
            Toast.makeText(context, R.string.auth_account_does_not_exist, Toast.LENGTH_SHORT).show();
        }

    }

    private void onCreateShareViaLinkOperationFinish(CreateShareViaLinkOperation operation,
            RemoteOperationResult result) {
        if (result.isSuccess()) {
            updateFileFromDB();

            Intent sendIntent = operation.getSendIntentWithSubject(this);
            if (sendIntent != null) {
                startActivity(sendIntent);
            }

        } else {
            // Detect Failure (403) --> needs Password
            if (result.getCode() == ResultCode.SHARE_FORBIDDEN) {
                String password = operation.getPassword();
                if ((password == null || password.length() == 0)
                        && getCapabilities().getFilesSharingPublicEnabled().isUnknown()) {
                    // Was tried without password, but not sure that it's optional. Try with password.
                    // Try with password before giving up.
                    // See also ShareFileFragment#OnShareViaLinkListener
                    SharePasswordDialogFragment dialog = SharePasswordDialogFragment
                            .newInstance(new OCFile(operation.getPath()), true);
                    dialog.show(getSupportFragmentManager(), DIALOG_SHARE_PASSWORD);
                } else {
                    Toast t = Toast.makeText(this,
                            ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
                            Toast.LENGTH_LONG);
                    t.show();
                }
            } else {
                Toast t = Toast.makeText(this,
                        ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
                        Toast.LENGTH_LONG);
                t.show();
            }
        }
    }

    private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation,
            RemoteOperationResult result) {
        OCFile syncedFile = operation.getLocalFile();
        if (!result.isSuccess()) {
            if (result.getCode() == ResultCode.SYNC_CONFLICT) {
                Intent i = new Intent(this, ConflictsResolveActivity.class);
                i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
                i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
                startActivity(i);
            }

        } else {
            if (!operation.transferWasRequested()) {
                Toast msg = Toast.makeText(this,
                        ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
                        Toast.LENGTH_LONG);
                msg.show();
            }
            invalidateOptionsMenu();
        }
    }

    protected void updateFileFromDB() {
        OCFile file = getFile();
        if (file != null) {
            file = getStorageManager().getFileByPath(file.getRemotePath());
            setFile(file);
        }
    }

    /**
     * Show loading dialog
     */
    public void showLoadingDialog(String message) {
        // grant that only one waiting dialog is shown
        dismissLoadingDialog();
        // Construct dialog
        LoadingDialog loading = new LoadingDialog(message);
        FragmentManager fm = getSupportFragmentManager();
        FragmentTransaction ft = fm.beginTransaction();
        loading.show(ft, DIALOG_WAIT_TAG);

    }

    /**
     * Dismiss loading dialog
     */
    public void dismissLoadingDialog() {
        Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
        if (frag != null) {
            LoadingDialog loading = (LoadingDialog) frag;
            loading.dismiss();
        }
    }

    private void doOnResumeAndBound() {
        mOperationsServiceBinder.addOperationListener(FileActivity.this, mHandler);
        long waitingForOpId = mFileOperationsHelper.getOpIdWaitingFor();
        if (waitingForOpId <= Integer.MAX_VALUE) {
            boolean wait = mOperationsServiceBinder.dispatchResultIfFinished((int) waitingForOpId, this);
            if (!wait) {
                dismissLoadingDialog();
            }
        }
    }

    /**
     * Implements callback methods for service binding. Passed as a parameter to {
     */
    private class OperationsServiceConnection implements ServiceConnection {

        @Override
        public void onServiceConnected(ComponentName component, IBinder service) {
            if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
                Log_OC.d(TAG, "Operations service connected");
                mOperationsServiceBinder = (OperationsServiceBinder) service;
                /*if (!mOperationsServiceBinder.isPerformingBlockingOperation()) {
                dismissLoadingDialog();
                }*/
                if (mResumed) {
                    doOnResumeAndBound();
                }

            } else {
                return;
            }
        }

        @Override
        public void onServiceDisconnected(ComponentName component) {
            if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
                Log_OC.d(TAG, "Operations service disconnected");
                mOperationsServiceBinder = null;
                // TODO whatever could be waiting for the service is unbound
            }
        }
    }

    @Override
    public FileDownloaderBinder getFileDownloaderBinder() {
        return mDownloaderBinder;
    }

    @Override
    public FileUploaderBinder getFileUploaderBinder() {
        return mUploaderBinder;
    }

    public void restart() {
        Intent i = new Intent(this, FileDisplayActivity.class);
        i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        startActivity(i);
    }

    //    TODO re-enable when "Accounts" is available in Navigation Drawer
    //    public void closeDrawer() {
    //        mDrawerLayout.closeDrawers();
    //    }

    public void allFilesOption() {
        restart();
    }

    protected void startSynchronization() {
        Log_OC.d(TAG, "Got to start sync");
        if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
            Log_OC.d(TAG, "Canceling all syncs for " + MainApp.getAuthority());
            ContentResolver.cancelSync(null, MainApp.getAuthority());
            // cancel the current synchronizations of any ownCloud account
            Bundle bundle = new Bundle();
            bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
            bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
            Log_OC.d(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
            ContentResolver.requestSync(getAccount(), MainApp.getAuthority(), bundle);
        } else {
            Log_OC.d(TAG,
                    "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
            SyncRequest.Builder builder = new SyncRequest.Builder();
            builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
            builder.setExpedited(true);
            builder.setManual(true);
            builder.syncOnce();

            // Fix bug in Android Lollipop when you click on refresh the whole account
            Bundle extras = new Bundle();
            builder.setExtras(extras);

            SyncRequest request = builder.build();
            ContentResolver.requestSync(request);
        }
    }

    private class DrawerItemClickListener implements ListView.OnItemClickListener {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, final int position, long id) {
            // TODO re-enable when "Accounts" is available in Navigation Drawer
            //            if (mShowAccounts && position > 0){
            //                position = position - 1;
            //            }

            mDrawerLayout.closeDrawers();
            new Handler().postDelayed(new Runnable() {
                @Override
                public void run() {
                    switch (position) {

                    case 0: // All Files
                        allFilesOption();
                        break;

                    case 1: // Sync
                        startSynchronization();
                        break;

                    case 2: // Sort

                        SharedPreferences appPreferences = PreferenceManager
                                .getDefaultSharedPreferences(getBaseContext());

                        // Read sorting order, default to sort by name ascending
                        Integer sortOrder = appPreferences.getInt("sortOrder", FileStorageUtils.SORT_NAME);
                        final OCFileListFragment listOfFiles = (OCFileListFragment) getSupportFragmentManager()
                                .findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);

                        AlertDialog.Builder builder = new AlertDialog.Builder(FileActivity.this);
                        builder.setTitle(R.string.actionbar_sort_title).setSingleChoiceItems(
                                R.array.actionbar_sortby, sortOrder, new DialogInterface.OnClickListener() {
                                    public void onClick(DialogInterface dialog, int which) {
                                        switch (which) {
                                        case 0:
                                            listOfFiles.sortByName(true);
                                            break;
                                        case 1:
                                            listOfFiles.sortByDate(false);
                                            break;
                                        }

                                        dialog.dismiss();
                                    }
                                });
                        builder.create().show();
                        break;

                    case 3: // Settings
                        Intent settingsIntent = new Intent(getApplicationContext(), Preferences.class);
                        startActivity(settingsIntent);
                        break;

                    case 4: // Logs
                        Intent loggerIntent = new Intent(getApplicationContext(), LogHistoryActivity.class);
                        startActivity(loggerIntent);
                        break;
                    }
                }
            }, 300);
        }
    }

    public ActionBarDrawerToggle getDrawerToogle() {
        return mDrawerToggle;
    }

    /**
     * Retrieves user quota if available
     *
     * @param navigationDrawerLayout
     */
    private void getUserQuota(final NavigationView navigationDrawerLayout, final String user) {
        // set user space information
        Thread t = new Thread(new Runnable() {
            public void run() {

                try {
                    OwnCloudAccount ocAccount = new OwnCloudAccount(mAccount, MainApp.getAppContext());

                    OwnCloudClient client = OwnCloudClientManagerFactory.getDefaultSingleton()
                            .getClientFor(ocAccount, MainApp.getAppContext());
                    GetMethod get = null;

                    final ProgressBar quotaProgress = (ProgressBar) navigationDrawerLayout
                            .findViewById(R.id.usage_progress);
                    final LinearLayout quotaInformation = (LinearLayout) navigationDrawerLayout
                            .findViewById(R.id.quotaInformation);

                    try {
                        get = new GetMethod(
                                client.getBaseUri() + "/ocs/v1.php/cloud/users/" + user + "?format=json");
                        int status = client.executeMethod(get);
                        if (status == HttpStatus.SC_OK) {
                            JSONObject json = new JSONObject(get.getResponseBodyAsString());
                            JSONObject ocs = json.getJSONObject("ocs");
                            JSONObject meta = ocs.getJSONObject("meta");
                            JSONObject data = ocs.getJSONObject("data");
                            JSONObject quota = data.getJSONObject("quota");
                            if (meta.getString("statuscode").equals("100")) {

                                try {
                                    final long used = Long.parseLong(quota.getString("used"));
                                    final long total = Long.parseLong(quota.getString("total"));
                                    final int relative = (int) Math.ceil(quota.getDouble("relative"));

                                    runOnUiThread(new Runnable() {
                                        @Override
                                        public void run() {
                                            if (quotaProgress != null) {

                                                if (quotaInformation.getVisibility() == View.INVISIBLE) {
                                                    Animation animation = AnimationUtils.loadAnimation(
                                                            navigationDrawerLayout.getContext(),
                                                            R.anim.abc_slide_in_bottom);
                                                    quotaInformation.setAnimation(animation);
                                                }
                                                quotaInformation.setVisibility(View.VISIBLE);
                                                quotaProgress.setProgress(relative);
                                            } else {
                                                quotaInformation.setVisibility(View.INVISIBLE);
                                            }

                                            TextView usageText = (TextView) navigationDrawerLayout
                                                    .findViewById(R.id.usage_text);
                                            usageText.setText(String.format(getString(R.string.usage_text),
                                                    DisplayUtils.bytesToHumanReadable(used),
                                                    DisplayUtils.bytesToHumanReadable(total)));

                                        }
                                    });

                                } catch (NumberFormatException nfe) {
                                    Log_OC.e(this.getClass().getName(),
                                            "Error retrieving quota usage from server.");
                                }
                            }
                        } else {
                            client.exhaustResponse(get.getResponseBodyAsStream());
                        }
                    } catch (final Exception e) {
                        runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                quotaInformation.setVisibility(View.INVISIBLE);
                                e.printStackTrace();
                            }
                        });
                    } finally

                    {
                        if (get != null) {
                            get.releaseConnection();
                        }
                    }

                } catch (com.synox.android.lib.common.accounts.AccountUtils.AccountNotFoundException e) {
                    Log_OC.e(this.getClass().getName(), e.getMessage());
                } catch (AuthenticatorException | OperationCanceledException | IOException e) {
                    Log_OC.e(this.getClass().getName(), e.getMessage());
                }
            }
        });
        t.start();
    }

}