mirror of
https://github.com/moparisthebest/k-9
synced 2024-11-14 05:25:07 -05:00
60ea4c6ce7
possible fix for "The content of the adapter has changed but ListView did not receive a notification."
398 lines
13 KiB
Java
398 lines
13 KiB
Java
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package com.fsck.k9.activity;
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import android.content.Intent;
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import android.os.Bundle;
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import android.os.Handler;
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import android.util.Log;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.Window;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.Filter;
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import android.widget.ListView;
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import android.widget.TextView;
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import com.fsck.k9.*;
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import com.fsck.k9.Account.FolderMode;
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import com.fsck.k9.controller.MessagingController;
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import com.fsck.k9.controller.MessagingListener;
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import com.fsck.k9.mail.Folder;
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import com.fsck.k9.mail.MessagingException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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public class ChooseFolder extends K9ListActivity
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{
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String mFolder;
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String mSelectFolder;
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Account mAccount;
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MessageReference mMessageReference;
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ArrayAdapter<String> mAdapter;
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private ChooseFolderHandler mHandler = new ChooseFolderHandler();
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String heldInbox = null;
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boolean hideCurrentFolder = true;
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boolean showOptionNone = false;
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boolean showDisplayableOnly = false;
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/**
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* What folders to display.<br/>
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* Initialized to whatever is configured
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* but can be overridden via {@link #onOptionsItemSelected(MenuItem)}
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* while this activity is showing.
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*/
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private Account.FolderMode mMode;
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/**
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* Current filter used by our ArrayAdapter.<br/>
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* Created on the fly and invalidated if a new
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* set of folders is chosen via {@link #onOptionsItemSelected(MenuItem)}
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*/
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private FolderListFilter<String> myFilter = null;
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public static final String EXTRA_ACCOUNT = "com.fsck.k9.ChooseFolder_account";
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public static final String EXTRA_CUR_FOLDER = "com.fsck.k9.ChooseFolder_curfolder";
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public static final String EXTRA_SEL_FOLDER = "com.fsck.k9.ChooseFolder_selfolder";
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public static final String EXTRA_NEW_FOLDER = "com.fsck.k9.ChooseFolder_newfolder";
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public static final String EXTRA_MESSAGE = "com.fsck.k9.ChooseFolder_message";
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public static final String EXTRA_SHOW_CURRENT = "com.fsck.k9.ChooseFolder_showcurrent";
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public static final String EXTRA_SHOW_FOLDER_NONE = "com.fsck.k9.ChooseFolder_showOptionNone";
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public static final String EXTRA_SHOW_DISPLAYABLE_ONLY = "com.fsck.k9.ChooseFolder_showDisplayableOnly";
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@Override
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public void onCreate(Bundle savedInstanceState)
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{
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super.onCreate(savedInstanceState);
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requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
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getListView().setFastScrollEnabled(true);
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getListView().setItemsCanFocus(false);
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getListView().setChoiceMode(ListView.CHOICE_MODE_NONE);
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Intent intent = getIntent();
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String accountUuid = intent.getStringExtra(EXTRA_ACCOUNT);
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mAccount = Preferences.getPreferences(this).getAccount(accountUuid);
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mMessageReference = (MessageReference)intent.getSerializableExtra(EXTRA_MESSAGE);
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mFolder = intent.getStringExtra(EXTRA_CUR_FOLDER);
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mSelectFolder = intent.getStringExtra(EXTRA_SEL_FOLDER);
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if (intent.getStringExtra(EXTRA_SHOW_CURRENT) != null)
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{
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hideCurrentFolder = false;
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}
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if (intent.getStringExtra(EXTRA_SHOW_FOLDER_NONE) != null)
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{
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showOptionNone = true;
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}
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if (intent.getStringExtra(EXTRA_SHOW_DISPLAYABLE_ONLY) != null)
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{
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showDisplayableOnly = true;
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}
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if (mFolder == null)
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mFolder = "";
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mAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1)
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{
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private Filter myFilter = null;
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@Override
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public Filter getFilter()
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{
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if (myFilter == null)
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{
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myFilter = new FolderListFilter<String>(this);
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}
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return myFilter;
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}
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};
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setListAdapter(mAdapter);
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MessagingController.getInstance(getApplication()).listFolders(mAccount, false, mListener);
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this.getListView().setOnItemClickListener(new AdapterView.OnItemClickListener()
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{
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public void onItemClick(AdapterView<?> parent, View view, int position, long id)
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{
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Intent intent = new Intent();
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intent.putExtra(EXTRA_ACCOUNT, mAccount.getUuid());
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intent.putExtra(EXTRA_CUR_FOLDER, mFolder);
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String destFolderName = (String)((TextView)view).getText();
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if (heldInbox != null && getString(R.string.special_mailbox_name_inbox).equals(destFolderName))
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{
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destFolderName = heldInbox;
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}
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intent.putExtra(EXTRA_NEW_FOLDER, destFolderName);
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intent.putExtra(EXTRA_MESSAGE, mMessageReference);
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setResult(RESULT_OK, intent);
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finish();
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}
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});
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}
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class ChooseFolderHandler extends Handler
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{
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private static final int MSG_PROGRESS = 2;
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private static final int MSG_DATA_CHANGED = 3;
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private static final int MSG_SET_SELECTED_FOLDER = 4;
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@Override
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public void handleMessage(android.os.Message msg)
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{
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switch (msg.what)
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{
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case MSG_PROGRESS:
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setProgressBarIndeterminateVisibility(msg.arg1 != 0);
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break;
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case MSG_DATA_CHANGED:
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mAdapter.notifyDataSetChanged();
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/*
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* Only enable the text filter after the list has been
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* populated to avoid possible race conditions because our
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* FolderListFilter isn't really thread-safe.
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*/
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getListView().setTextFilterEnabled(true);
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break;
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case MSG_SET_SELECTED_FOLDER:
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getListView().setSelection(msg.arg1);
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break;
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}
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}
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public void progress(boolean progress)
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{
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android.os.Message msg = new android.os.Message();
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msg.what = MSG_PROGRESS;
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msg.arg1 = progress ? 1 : 0;
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sendMessage(msg);
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}
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public void setSelectedFolder(int position)
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{
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android.os.Message msg = new android.os.Message();
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msg.what = MSG_SET_SELECTED_FOLDER;
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msg.arg1 = position;
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sendMessage(msg);
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}
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public void dataChanged()
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{
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sendEmptyMessage(MSG_DATA_CHANGED);
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}
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}
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@Override public boolean onCreateOptionsMenu(Menu menu)
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{
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super.onCreateOptionsMenu(menu);
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getMenuInflater().inflate(R.menu.folder_select_option, menu);
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return true;
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}
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@Override public boolean onOptionsItemSelected(MenuItem item)
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{
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switch (item.getItemId())
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{
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case R.id.display_1st_class:
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{
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setDisplayMode(FolderMode.FIRST_CLASS);
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return true;
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}
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case R.id.display_1st_and_2nd_class:
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{
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setDisplayMode(FolderMode.FIRST_AND_SECOND_CLASS);
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return true;
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}
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case R.id.display_not_second_class:
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{
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setDisplayMode(FolderMode.NOT_SECOND_CLASS);
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return true;
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}
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case R.id.display_all:
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{
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setDisplayMode(FolderMode.ALL);
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return true;
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}
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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private void setDisplayMode(FolderMode aMode)
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{
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mMode = aMode;
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// invalidate the current filter as it is working on an inval
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if (myFilter != null)
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{
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myFilter.invalidate();
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}
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//re-populate the list
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MessagingController.getInstance(getApplication()).listFolders(mAccount,
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false, mListener);
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}
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private MessagingListener mListener = new MessagingListener()
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{
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@Override
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public void listFoldersStarted(Account account)
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{
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if (!account.equals(mAccount))
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{
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return;
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}
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mHandler.progress(true);
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}
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@Override
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public void listFoldersFailed(Account account, String message)
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{
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if (!account.equals(mAccount))
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{
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return;
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}
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mHandler.progress(false);
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}
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@Override
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public void listFoldersFinished(Account account)
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{
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if (!account.equals(mAccount))
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{
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return;
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}
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mHandler.progress(false);
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}
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@Override
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public void listFolders(Account account, Folder[] folders)
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{
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if (!account.equals(mAccount))
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{
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return;
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}
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Account.FolderMode aMode = mMode;
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Preferences prefs = Preferences.getPreferences(getApplication().getApplicationContext());
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ArrayList<String> localFolders = new ArrayList<String>();
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for (Folder folder : folders)
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{
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String name = folder.getName();
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// Inbox needs to be compared case-insensitively
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if (hideCurrentFolder && (name.equals(mFolder) || (K9.INBOX.equalsIgnoreCase(mFolder) && K9.INBOX.equalsIgnoreCase(name))))
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{
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continue;
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}
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try
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{
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folder.refresh(prefs);
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Folder.FolderClass fMode = folder.getDisplayClass();
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if ((aMode == Account.FolderMode.FIRST_CLASS && fMode != Folder.FolderClass.FIRST_CLASS)
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|| (aMode == Account.FolderMode.FIRST_AND_SECOND_CLASS &&
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fMode != Folder.FolderClass.FIRST_CLASS &&
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fMode != Folder.FolderClass.SECOND_CLASS)
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|| (aMode == Account.FolderMode.NOT_SECOND_CLASS && fMode == Folder.FolderClass.SECOND_CLASS))
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{
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continue;
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}
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}
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catch (MessagingException me)
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{
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Log.e(K9.LOG_TAG, "Couldn't get prefs to check for displayability of folder " + folder.getName(), me);
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}
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localFolders.add(folder.getName());
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}
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if (showOptionNone)
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{
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localFolders.add(K9.FOLDER_NONE);
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}
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Collections.sort(localFolders, new Comparator<String>()
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{
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public int compare(String aName, String bName)
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{
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if (K9.FOLDER_NONE.equalsIgnoreCase(aName))
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{
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return -1;
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}
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if (K9.FOLDER_NONE.equalsIgnoreCase(bName))
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{
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return 1;
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}
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if (K9.INBOX.equalsIgnoreCase(aName))
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{
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return -1;
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}
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if (K9.INBOX.equalsIgnoreCase(bName))
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{
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return 1;
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}
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return aName.compareToIgnoreCase(bName);
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}
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});
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mAdapter.setNotifyOnChange(false);
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int selectedFolder = -1;
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try {
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mAdapter.clear();
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int position = 0;
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for (String name : localFolders)
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{
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if (K9.INBOX.equalsIgnoreCase(name))
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{
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mAdapter.add(getString(R.string.special_mailbox_name_inbox));
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heldInbox = name;
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}
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else if (!K9.ERROR_FOLDER_NAME.equals(name))
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{
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mAdapter.add(name);
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}
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if (mSelectFolder != null)
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{
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/*
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* Never select EXTRA_CUR_FOLDER (mFolder) if EXTRA_SEL_FOLDER
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* (mSelectedFolder) was provided.
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*/
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if (name.equals(mSelectFolder))
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{
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selectedFolder = position;
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}
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}
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else if (name.equals(mFolder) ||
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(K9.INBOX.equalsIgnoreCase(mFolder) && K9.INBOX.equalsIgnoreCase(name)))
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{
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selectedFolder = position;
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}
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position++;
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}
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} finally {
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mAdapter.setNotifyOnChange(true);
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runOnUiThread(new Runnable() {
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public void run() {
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// runOnUiThread(
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mAdapter.notifyDataSetChanged();
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}
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});
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}
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mHandler.dataChanged();
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if (selectedFolder != -1)
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{
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mHandler.setSelectedFolder(selectedFolder);
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}
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}
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};
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}
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