Synnefo » Pithos Android Client

package com.rackspace.cloud.android;

import java.io.BufferedOutputStream;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import java.util.Map.Entry;

import java.util.StringTokenizer;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import android.app.Activity;

import android.app.AlertDialog;

import android.app.Dialog;

import android.content.DialogInterface;

import android.content.Intent;

import android.graphics.Color;

import android.net.Uri;

import android.os.AsyncTask;

import android.os.Bundle;

import android.os.Environment;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuInflater;

import android.view.MenuItem;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.CompoundButton;

import android.widget.CompoundButton.OnCheckedChangeListener;

import android.widget.EditText;

import android.widget.ImageButton;

import android.widget.LinearLayout;

import android.widget.TabHost;

import android.widget.TextView;

import android.widget.Toast;

import com.rackspace.cloud.files.api.client.Container;

import com.rackspace.cloud.files.api.client.ContainerObjectManager;

import com.rackspace.cloud.files.api.client.ContainerObjects;

import com.rackspace.cloud.files.api.client.GroupResource;

import com.rackspace.cloud.files.api.client.ObjectVersion;

import com.rackspace.cloud.files.api.client.Permission;

import com.rackspace.cloud.servers.api.client.CloudServersException;

import com.rackspace.cloud.servers.api.client.http.HttpBundle;

/**

 * 

 * @author Phillip Toohill

 * 

 */

public class ContainerObjectDetails extends CloudActivity {

        private static final int DEFAULT_BUFFER_SIZE = 1024 * 4;

        private static final int deleteObject = 0;

        private static final int restoreVersion = 1;

        private final String DOWNLOAD_DIRECTORY = "PithosPlus";

        private ContainerObjects objects;

        private String containerNames;

        private String cdnURL;

        private String cdnEnabled;

        public String LOG = "ViewObject";

        private int bConver = 1048576;

        private int kbConver = 1024;

        private double megaBytes;

        private double kiloBytes;

        public Button previewButton;

        public Button downloadButton;

        private Boolean isDownloaded;

        private AndroidCloudApplication app;

        private DeleteObjectListenerTask deleteObjTask;

        private DownloadObjectListenerTask downloadObjTask;

        private List<ObjectVersion> versions = new ArrayList<ObjectVersion>();

        private boolean isReadOnly = false;

        private final List<String> metadataRemoved = new ArrayList<String>();

        private final Map<String,String> metadataAdded = new HashMap<String, String>();

        /** Called when the activity is first created. */

        @Override

        public void onCreate(Bundle savedInstanceState) {

                super.onCreate(savedInstanceState);

                trackPageView(GoogleAnalytics.PAGE_STORAGE_OBJECT);

                objects = (ContainerObjects) this.getIntent().getExtras()

                                .get("container");

                containerNames = (String) this.getIntent().getExtras()

                                .get("containerNames");

                cdnURL = (String) this.getIntent().getExtras().get("cdnUrl");

                cdnEnabled = (String) this.getIntent().getExtras().get("isCdnEnabled");

                setContentView(R.layout.viewobject);

                TabHost tabs = (TabHost) findViewById(R.id.tabhost2);

                tabs.setup();

                TabHost.TabSpec spec = tabs.newTabSpec("tag1");

                spec.setContent(R.id.details);

                spec.setIndicator("Details");

                tabs.addTab(spec);

                spec = tabs.newTabSpec("tag2");

                spec.setContent(R.id.metadata);

                spec.setIndicator("Metadata");

                tabs.addTab(spec);

                spec = tabs.newTabSpec("tag3");

                spec.setContent(R.id.sharing);

                spec.setIndicator("Sharing");

                tabs.addTab(spec);

                spec = tabs.newTabSpec("tag4");

                spec.setContent(R.id.versions);

                spec.setIndicator("Versions");

                tabs.addTab(spec);

                restoreState(savedInstanceState);

        }

        public boolean isFolder(){

                return objects.getContentType().startsWith("application/folder")||objects.getContentType().startsWith("application/directory");

        }

        @Override

        protected void onSaveInstanceState(Bundle outState) {

                super.onSaveInstanceState(outState);

                outState.putSerializable("container", objects);

                outState.putBoolean("isDownloaded", isDownloaded);

        }

        protected void restoreState(Bundle state) {

                super.restoreState(state);

                /*

                 * need reference to the app so you can access curDirFiles as well as

                 * processing status

                 */

                app = (AndroidCloudApplication) this.getApplication();

                if (state != null && state.containsKey("container")) {

                        objects = (ContainerObjects) state.getSerializable("container");

                }

                loadObjectData();

                if (cdnEnabled.equals("true")) {

                        this.previewButton = (Button) findViewById(R.id.preview_button);

                        previewButton.setOnClickListener(new MyOnClickListener());

                } else {

                        this.previewButton = (Button) findViewById(R.id.preview_button);

                        previewButton.setVisibility(View.GONE);

                }

                if (state != null && state.containsKey("isDownloaded")) {

                        isDownloaded = state.getBoolean("isDownloaded");

                } else {

                        isDownloaded = fileIsDownloaded();

                }

                this.downloadButton = (Button) findViewById(R.id.download_button);

                if (isDownloaded) {

                        downloadButton.setText("Open File");

                } else {

                        downloadButton.setText("Download File");

                }

                downloadButton.setOnClickListener(new MyOnClickListener());

                if (app.isDeletingObject()) {

                        deleteObjTask = new DeleteObjectListenerTask();

                        deleteObjTask.execute();

                }

                if (app.isDownloadingObject()) {

                        downloadObjTask = new DownloadObjectListenerTask();

                        downloadObjTask.execute();

                }

        }

        @Override

        protected void onStop() {

                super.onStop();

                /*

                 * Need to stop running listener task if we exit

                 */

                if (deleteObjTask != null) {

                        deleteObjTask.cancel(true);

                }

                if (downloadObjTask != null) {

                        downloadObjTask.cancel(true);

                }

        }

        private void loadObjectData() {

                setTitle("Details: " +objects.getCName());

                metadataRemoved.clear();

                metadataAdded.clear();

                if(Container.MYSHARED.equals(objects.getContainerName())||Container.MYSHARED.equals(containerNames)){

                        isReadOnly = true;

                }

                // Object Name

                TextView name = (TextView) findViewById(R.id.view_container_name);

                name.setText(objects.getCName().toString());

                // File size

                if (objects.getBytes() >= bConver) {

                        megaBytes = Math.abs(objects.getBytes() / bConver + 0.2);

                        TextView sublabel = (TextView) findViewById(R.id.view_file_bytes);

                        sublabel.setText(megaBytes + " MB");

                } else if (objects.getBytes() >= kbConver) {

                        kiloBytes = Math.abs(objects.getBytes() / kbConver + 0.2);

                        TextView sublabel = (TextView) findViewById(R.id.view_file_bytes);

                        sublabel.setText(kiloBytes + " KB");

                } else {

                        TextView sublabel = (TextView) findViewById(R.id.view_file_bytes);

                        sublabel.setText(objects.getBytes() + " B");

                }

                // Content Type

                TextView cType = (TextView) findViewById(R.id.view_content_type);

                cType.setText(objects.getContentType().toString());

                // Last Modification date

                String strDate = objects.getLastMod();

                strDate = strDate.substring(0, strDate.indexOf('T'));

                TextView lastmod = (TextView) findViewById(R.id.view_file_modification);

                lastmod.setText(strDate);

                rebuildMetadataList();

                if(isFolder()){

                        findViewById(R.id.download_text).setVisibility(View.GONE);

                        findViewById(R.id.linearLayout1).setVisibility(View.GONE);

                        findViewById(R.id.layoutPublic).setVisibility(View.GONE);

                }

                rebuildPermissionList();

                try {

                        versions = new ContainerObjectManager(getApplicationContext())

                                        .getObjectVersions(objects.getContainerName(),

                                                        objects.getCName());

                        rebuildVersionList();

                } catch (CloudServersException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

        }

        private void rebuildMetadataList() {

                Button newmetadata = (Button)findViewById(R.id.newMetadata);

                if(isReadOnly)

                        newmetadata.setVisibility(View.GONE);

                newmetadata.setOnClickListener(new OnClickListener() {

                        @Override

                        public void onClick(View arg0) {

                                final AlertDialog.Builder alert = new AlertDialog.Builder(ContainerObjectDetails.this);

                                alert.setTitle("Add Metadata");

                                LinearLayout ll = new LinearLayout(ContainerObjectDetails.this);

                                ll.setOrientation(LinearLayout.VERTICAL);

                                final EditText input = new EditText(ContainerObjectDetails.this);

                                final EditText input2 = new EditText(ContainerObjectDetails.this);

                                ll.addView(input);

                                ll.addView(input2);

                                alert.setView(ll);

                                alert.setPositiveButton("Create", new DialogInterface.OnClickListener() {

                                        public void onClick(DialogInterface dialog, int whichButton) {

                                                String key = input.getText().toString().trim();

                                                String value = input2.getText().toString().trim();

                                                addMetatadata(key, value);

                                        }

                                });

                                alert.setNegativeButton("Cancel",

                                                new DialogInterface.OnClickListener() {

                                        public void onClick(DialogInterface dialog, int whichButton) {

                                                dialog.cancel();

                                        }

                                });

                                alert.show();

                        }

                });

                LayoutInflater layoutInflater = LayoutInflater

                                .from(ContainerObjectDetails.this);

                final LinearLayout metadata = (LinearLayout) findViewById(R.id.metadataList);

                if (metadata.getChildCount() > 0)

                        metadata.removeViews(0, metadata.getChildCount());

                metadata.removeAllViews();

                if (objects.getMetadata() != null) {

                        int i = 0;

                        Iterator<Entry<String, String>> it = objects.getMetadata()

                                        .entrySet().iterator();

                        while (it.hasNext()) {

                                final Entry<String, String> perm = it.next();

                                final View v = layoutInflater.inflate(R.layout.metadatarow,

                                                null);

                                populateMetadataList(perm, v, metadata, i);

                                i++;

                        }

                }

        }

        private void addMetatadata(String key, String value){

                if(objects.getMetadata()==null)

                        objects.setMetadata(new HashMap<String, String>());

                metadataAdded.put(key,value);

                objects.getMetadata().put(key, value);

                rebuildMetadataList();

        }

        private void populateMetadataList(final Entry<String, String> metadata,

                        final View v, final LinearLayout properties, int i) {

                properties.addView(v, i);

                Log.d(LOG, i + " " + metadata.getKey() + " " + metadata.getValue());

                ((TextView) v.findViewById(R.id.mkey)).setText(metadata.getKey());

                ((TextView) v.findViewById(R.id.mvalue)).setText(metadata.getValue());

                if(isReadOnly)

                        v.findViewById(R.id.remove).setVisibility(View.GONE);

                ((ImageButton) v.findViewById(R.id.remove))

                .setOnClickListener(new OnClickListener() {

                        @Override

                        public void onClick(View v1) {

                                properties.removeView(v);

                                metadataRemoved.add(metadata.getKey());

                                objects.getMetadata().remove(metadata.getKey());

                        }

                });

        }

        private void rebuildPermissionList() {

                Button newmetadata = (Button)findViewById(R.id.newPermission);

                CheckBox readForAll = (CheckBox)findViewById(R.id.folderPublic);

                if(isReadOnly){

                        newmetadata.setVisibility(View.GONE);

                        readForAll.setEnabled(false);

                }

                objects.setPublicf(objects.getIsPublic()!=null);

                readForAll.setChecked(objects.isPublicf());

                readForAll.setOnCheckedChangeListener(new OnCheckedChangeListener() {

                                        @Override

                                        public void onCheckedChanged(CompoundButton buttonView,

                                                        boolean isChecked) {

                                                objects.setPublicf(isChecked);

                                        }

                                });

                newmetadata.setOnClickListener(new OnClickListener() {

                        @Override

                        public void onClick(View v) {

                                showAddDialog();                                

                        }

                });

                LayoutInflater layoutInflater = LayoutInflater

                                .from(ContainerObjectDetails.this);

                final LinearLayout properties = (LinearLayout) findViewById(R.id.permissionsList);

                if (properties.getChildCount() > 0)

                        properties.removeViews(0, properties.getChildCount());

                properties.removeAllViews();

                Iterator<Permission> it = null;

                if (objects.getPermissions() != null) {

                        it = objects.getPermissions().iterator();

                        int i = 0;

                        while (it.hasNext()) {

                                final Permission perm = it.next();

                                final View v = layoutInflater.inflate(R.layout.propertiesrow,

                                                null);

                                populatePermissionList(perm, v, properties, i);

                                i++;

                        }

                }

        }

        private void populatePermissionList(final Permission perm, final View v,

                        final LinearLayout properties, int i) {

                properties.addView(v, i);

                if(isReadOnly){

                        v.findViewById(R.id.remove).setVisibility(View.GONE);

                        ((CheckBox) v.findViewById(R.id.read)).setEnabled(false);

                        ((CheckBox) v.findViewById(R.id.write)).setEnabled(false);

                }

                ((TextView) v.findViewById(R.id.ownerName)).setText(perm.getUser()==null?perm.getGroup()+":":perm.getUser());

                ((CheckBox) v.findViewById(R.id.read)).setChecked(perm.isRead());

                ((CheckBox) v.findViewById(R.id.write)).setChecked(perm.isWrite());

                ((CheckBox) v.findViewById(R.id.read))

                                .setOnCheckedChangeListener(new OnCheckedChangeListener() {

                                        @Override

                                        public void onCheckedChanged(CompoundButton buttonView,

                                                        boolean isChecked) {

                                                perm.setRead(isChecked);

                                        }

                                });

                ((CheckBox) v.findViewById(R.id.write))

                                .setOnCheckedChangeListener(new OnCheckedChangeListener() {

                                        @Override

                                        public void onCheckedChanged(CompoundButton buttonView,

                                                        boolean isChecked) {

                                                perm.setWrite(isChecked);

                                        }

                                });

                ((Button) v.findViewById(R.id.remove))

                                .setOnClickListener(new OnClickListener() {

                                        @Override

                                        public void onClick(View v1) {

                                                properties.removeView(v);

                                                objects.getPermissions().remove(perm);

                                        }

                                });

        }

        private void addPermission(boolean group, String userOrGroup){

                if(objects.getPermissions()==null)

                        objects.setPermissions(new ArrayList<Permission>());

                Permission np = new Permission();

                if(group)

                        np.setGroup(userOrGroup);

                else

                        np.setUser(userOrGroup);

                objects.getPermissions().add(np);

                rebuildPermissionList();

        }

        private void showAddDialog(){

                final CharSequence[] items = {"Add User", "Add Group"};

                AlertDialog.Builder builder = new AlertDialog.Builder(this);

                builder.setTitle("User Or Group");

                builder.setSingleChoiceItems(items, -1, new DialogInterface.OnClickListener() {

                    public void onClick(DialogInterface dialog, int item) {

                            boolean user;

                       if(item ==0){

                               user=true;

                       }

                       else

                               user=false;

                       populateAddDialog(user);

                       dialog.dismiss();

                    }

                });

                AlertDialog alert2 = builder.create();

                alert2.show();

        }

        private void populateAddDialog(final boolean user){

                final AlertDialog.Builder alert = new AlertDialog.Builder(ContainerObjectDetails.this);

               if(user){

                       alert.setTitle("Add User");

                       final EditText input = new EditText(ContainerObjectDetails.this);

                input.setTextColor(Color.BLACK);

                    alert.setView(input);

                    alert.setPositiveButton("Add", new DialogInterface.OnClickListener() {

                            public void onClick(DialogInterface dialog, int whichButton) {

                                    String value = input.getText().toString().trim();

                                    addPermission(false, value);

                            }

                    });

                    alert.setNegativeButton("Cancel",

                                    new DialogInterface.OnClickListener() {

                                            public void onClick(DialogInterface dialog, int whichButton) {

                                                    dialog.cancel();

                                            }

                                    });

                    alert.show();

               }

               else{

                       AlertDialog.Builder builder = new AlertDialog.Builder(this);

                    builder.setTitle("Add Group");

                    builder.setSingleChoiceItems(getGroupNames().toArray(new String[0]), -1, new DialogInterface.OnClickListener() {

                        public void onClick(DialogInterface dialog, int item) {

                                addPermission(true, getGroupNames().get(item));

                           dialog.dismiss();

                        }

                    });

                    AlertDialog alert2 = builder.create();

                    alert2.show();

               }

        }

        public List<String> getGroupNames(){

                List<String> result = new ArrayList<String>();

                List<GroupResource> groups = ((AndroidCloudApplication)getApplication()).getGroups();

                for(GroupResource g : groups){

                        result.add(g.getName());

                }

                return result;

        }

        private void rebuildVersionList() {

                LayoutInflater layoutInflater = LayoutInflater

                                .from(ContainerObjectDetails.this);

                final LinearLayout properties = (LinearLayout) findViewById(R.id.versionsList);

                if (properties.getChildCount() > 0)

                        properties.removeViews(0, properties.getChildCount());

                properties.removeAllViews();

                Iterator<ObjectVersion> it;

                // Collections.reverse(versions);

                it = versions.iterator();

                int i = 0;

                while (it.hasNext()) {

                        final ObjectVersion perm = it.next();

                        final View v = layoutInflater.inflate(R.layout.versionsrow, null);

                        populateVersionList(perm, v, properties, i);

                        i++;

                }

        }

        String selectedVersion=null;

        private void populateVersionList(final ObjectVersion perm, final View v,

                        final LinearLayout properties, int i) {

                properties.addView(v, i);

                ((TextView) v.findViewById(R.id.versionName)).setText("Version: "

                                + perm.getVersion());

                ((TextView) v.findViewById(R.id.versionModified)).setText("Modified: "

                                + perm.getDateString());

                if (versions.size() == 1 || isReadOnly) {

                        // ((Button)

                        // v.findViewById(R.id.vremove)).setVisibility(View.INVISIBLE);

                        ((Button) v.findViewById(R.id.vrestore))

                                        .setVisibility(View.INVISIBLE);

                }

                /*

                 * ((Button) v.findViewById(R.id.vremove)) .setOnClickListener(new

                 * OnClickListener() {

                 * 

                 * @Override public void onClick(View v1) { Log.d("PERMS",

                 * perm.getUri()); try { new GssHttpCommands(getDroidApplication()

                 * .getUserDetails

                 * ()).deleteFolder(perm.getUri()+"?version="+perm.getVersion()); }

                 * catch (SystemErrorException e) { // TODO Auto-generated catch block

                 * e.printStackTrace(); } catch (GssHttpException e) { // TODO

                 * Auto-generated catch block e.printStackTrace(); }

                 * getFileTask().execute(res.getUri()); //properties.removeView(v);

                 * 

                 * } });

                 */

                ((Button) v.findViewById(R.id.vrestore))

                                .setOnClickListener(new OnClickListener() {

                                        @Override

                                        public void onClick(View v1) {

                                                selectedVersion = String.valueOf(perm.getVersion());

                                                showDialog(restoreVersion);

                                        }

                                });

                ((Button) v.findViewById(R.id.vdownload))

                                .setOnClickListener(new OnClickListener() {

                                        @Override

                                        public void onClick(View v1) {

                                                // getDownloadTask().execute(perm.getUri()+"?version="+perm.getVersion());

                                                // properties.removeView(v);

                                        }

                                });

        }

        private class MyOnClickListener implements View.OnClickListener {

                @Override

                public void onClick(View v) {

                        if (v.equals(findViewById(R.id.preview_button))) {

                                Intent viewIntent = new Intent("android.intent.action.VIEW",

                                                Uri.parse(cdnURL + "/" + objects.getCName()));

                                startActivity(viewIntent);

                        }

                        /*

                         * need to perform different functions based on if the file is in

                         * the devices filesystem

                         */

                        if (v.equals(findViewById(R.id.download_button))) {

                                if (!isDownloaded) {

                                        if (storageIsReady()) {

                                                new ContainerObjectDownloadTask().execute();

                                        } else {

                                                showAlert("Error", "Storage not found.");

                                        }

                                } else {

                                        openFile();

                                }

                        }

                }

        }

        // Create the Menu options

        @Override

        public boolean onCreateOptionsMenu(Menu menu) {

                super.onCreateOptionsMenu(menu);

                MenuInflater inflater = getMenuInflater();

                inflater.inflate(R.menu.container_object_list_menu, menu);

                menu.findItem(R.id.delete_object).setVisible(!isReadOnly);

                menu.findItem(R.id.save).setVisible(!isReadOnly);

                return true;

        }

        @Override

        public boolean onOptionsItemSelected(MenuItem item) {

                switch (item.getItemId()) {

                case R.id.delete_object:

                        showDialog(deleteObject);

                        return true;

                case R.id.refresh:

                        loadObjectData();

                        return true;

                case R.id.save:

                        new ContainerObjectUpdateTask().execute();

                        return true;

                }

                return false;

        }

        @Override

        protected Dialog onCreateDialog(int id) {

                switch (id) {

                case deleteObject:

                        return new AlertDialog.Builder(ContainerObjectDetails.this)

                                        .setIcon(R.drawable.alert_dialog_icon)

                                        .setTitle("Delete File")

                                        .setMessage("Are you sure you want to delete this file?")

                                        .setPositiveButton("Delete File",

                                                        new DialogInterface.OnClickListener() {

                                                                public void onClick(DialogInterface dialog,

                                                                                int whichButton) {

                                                                        // User clicked OK so do some stuff

                                                                        trackEvent(GoogleAnalytics.CATEGORY_FILE,

                                                                                        GoogleAnalytics.EVENT_DELETE, "",

                                                                                        -1);

                                                                        new ContainerObjectDeleteTask()

                                                                                        .execute((Void[]) null);

                                                                }

                                                        })

                                        .setNegativeButton("Cancel",

                                                        new DialogInterface.OnClickListener() {

                                                                public void onClick(DialogInterface dialog,

                                                                                int whichButton) {

                                                                        // User clicked Cancel so do some stuff

                                                                }

                                                        }).create();

                case restoreVersion:

                        return new AlertDialog.Builder(ContainerObjectDetails.this)

                                        .setIcon(R.drawable.alert_dialog_icon)

                                        .setTitle("Restore Version")

                                        .setMessage("Are you sure you want to restore this version?")

                                        .setPositiveButton("Restore Version",

                                                        new DialogInterface.OnClickListener() {

                                                                public void onClick(DialogInterface dialog,

                                                                                int whichButton) {

                                                                        // User clicked OK so do some stuff

                                                                        /*trackEvent(GoogleAnalytics.CATEGORY_FILE,

                                                                                        GoogleAnalytics.EVENT_DELETE, "",

                                                                                        -1);*/

                                                                        new VersionRestoreTask()

                                                                                        .execute(selectedVersion);

                                                                }

                                                        })

                                        .setNegativeButton("Cancel",

                                                        new DialogInterface.OnClickListener() {

                                                                public void onClick(DialogInterface dialog,

                                                                                int whichButton) {

                                                                        // User clicked Cancel so do some stuff

                                                                }

                                                        }).create();

                }

                return null;

        }

        /**

         * @return the file

         */

        public ContainerObjects getViewFile() {

                return objects;

        }

        /**

         * @param File

         *            the file to set

         */

        public void setViewFile(ContainerObjects object) {

                this.objects = object;

        }

        /*

         * returns false if external storage is not avaliable (if its mounted,

         * missing, read-only, etc) from:

         * http://developer.android.com/guide/topics/data

         * /data-storage.html#filesExternal

         */

        private boolean storageIsReady() {

                boolean mExternalStorageAvailable = false;

                boolean mExternalStorageWriteable = false;

                String state = Environment.getExternalStorageState();

                if (Environment.MEDIA_MOUNTED.equals(state)) {

                        // We can read and write the media

                        mExternalStorageAvailable = mExternalStorageWriteable = true;

                } else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {

                        // We can only read the media

                        mExternalStorageAvailable = true;

                        mExternalStorageWriteable = false;

                } else {

                        // Something else is wrong. It may be one of many other states, but

                        // all we need

                        // to know is we can neither read nor write

                        mExternalStorageAvailable = mExternalStorageWriteable = false;

                }

                return mExternalStorageAvailable && mExternalStorageWriteable;

        }

        private boolean fileIsDownloaded() {

                if (storageIsReady()) {

                        String fileName = Environment.getExternalStorageDirectory()

                                        .getPath() + "/PithosPlus/" + objects.getCName();

                        File f = new File(fileName);

                        return f.isFile();

                }

                return false;

        }

        private void openFile() {

                File object = new File(Environment.getExternalStorageDirectory()

                                .getPath() + "/PithosPlus/" + objects.getCName());

                Intent myIntent = new Intent(android.content.Intent.ACTION_VIEW);

                File file = new File(object.getAbsolutePath());

                String extension = android.webkit.MimeTypeMap

                                .getFileExtensionFromUrl(Uri.fromFile(file).toString());

                String mimetype = android.webkit.MimeTypeMap.getSingleton()

                                .getMimeTypeFromExtension(extension);

                myIntent.setDataAndType(Uri.fromFile(file), mimetype);

                // myIntent.setData(Uri.fromFile(file));

                try {

                        startActivity(myIntent);

                } catch (Exception e) {

                        Toast.makeText(this, "Could not open file.", Toast.LENGTH_SHORT)

                                        .show();

                }

        }

        // Task's

        private class ContainerObjectDeleteTask extends

                        AsyncTask<Void, Void, HttpBundle> {

                private CloudServersException exception;

                protected void onPreExecute() {

                        showDialog();

                        app.setDeleteingObject(true);

                        deleteObjTask = new DeleteObjectListenerTask();

                        deleteObjTask.execute();

                }

                @Override

                protected HttpBundle doInBackground(Void... arg0) {

                        HttpBundle bundle = null;

                        try {

                                bundle = (new ContainerObjectManager(getContext()))

                                                .deleteObject(containerNames, objects.getCName());

                        } catch (CloudServersException e) {

                                exception = e;

                        }

                        return bundle;

                }

                @Override

                protected void onPostExecute(HttpBundle bundle) {

                        app.setDeleteingObject(false);

                        hideDialog();

                        HttpResponse response = bundle.getResponse();

                        if (response != null) {

                                int statusCode = response.getStatusLine().getStatusCode();

                                if (statusCode == 204) {

                                        // handled by listener

                                } else {

                                        CloudServersException cse = parseCloudServersException(response);

                                        if ("".equals(cse.getMessage())) {

                                                showError("There was a problem deleting your File.",

                                                                bundle);

                                        } else {

                                                showError("There was a problem deleting your file: "

                                                                + cse.getMessage(), bundle);

                                        }

                                }

                        } else if (exception != null) {

                                showError("There was a problem deleting your file: "

                                                + exception.getMessage(), bundle);

                        }

                }

        }

        private class ContainerObjectDownloadTask extends

                        AsyncTask<Void, Void, HttpBundle> {

                private CloudServersException exception;

                @Override

                protected void onPreExecute() {

                        showDialog();

                        app.setDownloadingObject(true);

                        downloadObjTask = new DownloadObjectListenerTask();

                        downloadObjTask.execute();

                }

                @Override

                protected HttpBundle doInBackground(Void... arg0) {

                        HttpBundle bundle = null;

                        try {

                                bundle = (new ContainerObjectManager(getContext())).getObject(

                                                containerNames, objects.getCName());

                        } catch (CloudServersException e) {

                                exception = e;

                        }

                        return bundle;

                }

                @Override

                protected void onPostExecute(HttpBundle bundle) {

                        HttpResponse response = bundle.getResponse();

                        if (response != null) {

                                int statusCode = response.getStatusLine().getStatusCode();

                                if (statusCode == 200) {

                                        setResult(Activity.RESULT_OK);

                                        HttpEntity entity = response.getEntity();