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mirror of https://github.com/moparisthebest/k-9 synced 2024-11-04 08:35:08 -05:00
k-9/src/com/fsck/k9/activity/ChooseFolder.java
2012-09-09 13:13:44 -07:00

421 lines
16 KiB
Java

package com.fsck.k9.activity;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;
import com.actionbarsherlock.view.Window;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.Filter;
import android.widget.ListView;
import android.widget.TextView;
import com.fsck.k9.Account;
import com.fsck.k9.Account.FolderMode;
import com.fsck.k9.K9;
import com.fsck.k9.Preferences;
import com.fsck.k9.R;
import com.fsck.k9.controller.MessagingController;
import com.fsck.k9.controller.MessagingListener;
import com.fsck.k9.mail.Folder;
import com.fsck.k9.mail.MessagingException;
public class ChooseFolder extends K9ListActivity {
public static final String EXTRA_ACCOUNT = "com.fsck.k9.ChooseFolder_account";
public static final String EXTRA_CUR_FOLDER = "com.fsck.k9.ChooseFolder_curfolder";
public static final String EXTRA_SEL_FOLDER = "com.fsck.k9.ChooseFolder_selfolder";
public static final String EXTRA_NEW_FOLDER = "com.fsck.k9.ChooseFolder_newfolder";
public static final String EXTRA_MESSAGE = "com.fsck.k9.ChooseFolder_message";
public static final String EXTRA_SHOW_CURRENT = "com.fsck.k9.ChooseFolder_showcurrent";
public static final String EXTRA_SHOW_FOLDER_NONE = "com.fsck.k9.ChooseFolder_showOptionNone";
public static final String EXTRA_SHOW_DISPLAYABLE_ONLY = "com.fsck.k9.ChooseFolder_showDisplayableOnly";
String mFolder;
String mSelectFolder;
Account mAccount;
MessageReference mMessageReference;
ArrayAdapter<String> mAdapter;
private ChooseFolderHandler mHandler = new ChooseFolderHandler();
String mHeldInbox = null;
boolean mHideCurrentFolder = true;
boolean mShowOptionNone = false;
boolean mShowDisplayableOnly = false;
/**
* What folders to display.<br/>
* Initialized to whatever is configured
* but can be overridden via {@link #onOptionsItemSelected(MenuItem)}
* while this activity is showing.
*/
private Account.FolderMode mMode;
/**
* Current filter used by our ArrayAdapter.<br/>
* Created on the fly and invalidated if a new
* set of folders is chosen via {@link #onOptionsItemSelected(MenuItem)}
*/
private FolderListFilter<String> mMyFilter = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
getListView().setFastScrollEnabled(true);
getListView().setItemsCanFocus(false);
getListView().setChoiceMode(ListView.CHOICE_MODE_NONE);
Intent intent = getIntent();
String accountUuid = intent.getStringExtra(EXTRA_ACCOUNT);
mAccount = Preferences.getPreferences(this).getAccount(accountUuid);
mMessageReference = intent.getParcelableExtra(EXTRA_MESSAGE);
mFolder = intent.getStringExtra(EXTRA_CUR_FOLDER);
mSelectFolder = intent.getStringExtra(EXTRA_SEL_FOLDER);
if (intent.getStringExtra(EXTRA_SHOW_CURRENT) != null) {
mHideCurrentFolder = false;
}
if (intent.getStringExtra(EXTRA_SHOW_FOLDER_NONE) != null) {
mShowOptionNone = true;
}
if (intent.getStringExtra(EXTRA_SHOW_DISPLAYABLE_ONLY) != null) {
mShowDisplayableOnly = true;
}
if (mFolder == null)
mFolder = "";
mAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1) {
private Filter myFilter = null;
@Override
public Filter getFilter() {
if (myFilter == null) {
myFilter = new FolderListFilter<String>(this);
}
return myFilter;
}
};
setListAdapter(mAdapter);
mMode = mAccount.getFolderTargetMode();
MessagingController.getInstance(getApplication()).listFolders(mAccount, false, mListener);
this.getListView().setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Intent result = new Intent();
result.putExtra(EXTRA_ACCOUNT, mAccount.getUuid());
result.putExtra(EXTRA_CUR_FOLDER, mFolder);
String destFolderName = (String)((TextView)view).getText();
if (mHeldInbox != null && getString(R.string.special_mailbox_name_inbox).equals(destFolderName)) {
destFolderName = mHeldInbox;
}
result.putExtra(EXTRA_NEW_FOLDER, destFolderName);
result.putExtra(EXTRA_MESSAGE, mMessageReference);
setResult(RESULT_OK, result);
finish();
}
});
}
class ChooseFolderHandler extends Handler {
private static final int MSG_PROGRESS = 1;
private static final int MSG_SET_SELECTED_FOLDER = 2;
@Override
public void handleMessage(android.os.Message msg) {
switch (msg.what) {
case MSG_PROGRESS: {
setSupportProgressBarIndeterminateVisibility(msg.arg1 != 0);
break;
}
case MSG_SET_SELECTED_FOLDER: {
getListView().setSelection(msg.arg1);
break;
}
}
}
public void progress(boolean progress) {
android.os.Message msg = new android.os.Message();
msg.what = MSG_PROGRESS;
msg.arg1 = progress ? 1 : 0;
sendMessage(msg);
}
public void setSelectedFolder(int position) {
android.os.Message msg = new android.os.Message();
msg.what = MSG_SET_SELECTED_FOLDER;
msg.arg1 = position;
sendMessage(msg);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
getSupportMenuInflater().inflate(R.menu.folder_select_option, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.display_1st_class: {
setDisplayMode(FolderMode.FIRST_CLASS);
return true;
}
case R.id.display_1st_and_2nd_class: {
setDisplayMode(FolderMode.FIRST_AND_SECOND_CLASS);
return true;
}
case R.id.display_not_second_class: {
setDisplayMode(FolderMode.NOT_SECOND_CLASS);
return true;
}
case R.id.display_all: {
setDisplayMode(FolderMode.ALL);
return true;
}
case R.id.list_folders: {
onRefresh();
return true;
}
case R.id.filter_folders: {
onEnterFilter();
return true;
}
default: {
return super.onOptionsItemSelected(item);
}
}
}
private void onRefresh() {
MessagingController.getInstance(getApplication()).listFolders(mAccount, true, mListener);
}
/**
* Show an alert with an input-field for a filter-expression.
* Filter {@link #mAdapter} with the user-input.
*/
private void onEnterFilter() {
final AlertDialog.Builder filterAlert = new AlertDialog.Builder(this);
final EditText input = new EditText(this);
input.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
mAdapter.getFilter().filter(input.getText().toString());
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
/* not used */ }
@Override
public void afterTextChanged(Editable s) { /* not used */ }
});
input.setHint(R.string.folder_list_filter_hint);
filterAlert.setView(input);
String okay = getString(R.string.okay_action);
filterAlert.setPositiveButton(okay, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
String value = input.getText().toString().trim();
mAdapter.getFilter().filter(value);
}
});
String cancel = getString(R.string.cancel_action);
filterAlert.setNegativeButton(cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
mAdapter.getFilter().filter("");
}
});
filterAlert.show();
}
private void setDisplayMode(FolderMode aMode) {
mMode = aMode;
// invalidate the current filter as it is working on an inval
if (mMyFilter != null) {
mMyFilter.invalidate();
}
//re-populate the list
MessagingController.getInstance(getApplication()).listFolders(mAccount, false, mListener);
}
private MessagingListener mListener = new MessagingListener() {
@Override
public void listFoldersStarted(Account account) {
if (!account.equals(mAccount)) {
return;
}
mHandler.progress(true);
}
@Override
public void listFoldersFailed(Account account, String message) {
if (!account.equals(mAccount)) {
return;
}
mHandler.progress(false);
}
@Override
public void listFoldersFinished(Account account) {
if (!account.equals(mAccount)) {
return;
}
mHandler.progress(false);
}
@Override
public void listFolders(Account account, Folder[] folders) {
if (!account.equals(mAccount)) {
return;
}
Account.FolderMode aMode = mMode;
Preferences prefs = Preferences.getPreferences(getApplication().getApplicationContext());
List<String> newFolders = new ArrayList<String>();
List<String> topFolders = new ArrayList<String>();
for (Folder folder : folders) {
String name = folder.getName();
// Inbox needs to be compared case-insensitively
if (mHideCurrentFolder && (name.equals(mFolder) || (
mAccount.getInboxFolderName().equalsIgnoreCase(mFolder) &&
mAccount.getInboxFolderName().equalsIgnoreCase(name)))) {
continue;
}
try {
folder.refresh(prefs);
Folder.FolderClass fMode = folder.getDisplayClass();
if ((aMode == Account.FolderMode.FIRST_CLASS &&
fMode != Folder.FolderClass.FIRST_CLASS) || (
aMode == Account.FolderMode.FIRST_AND_SECOND_CLASS &&
fMode != Folder.FolderClass.FIRST_CLASS &&
fMode != Folder.FolderClass.SECOND_CLASS) || (
aMode == Account.FolderMode.NOT_SECOND_CLASS &&
fMode == Folder.FolderClass.SECOND_CLASS)) {
continue;
}
} catch (MessagingException me) {
Log.e(K9.LOG_TAG, "Couldn't get prefs to check for displayability of folder " +
folder.getName(), me);
}
if (folder.isInTopGroup()) {
topFolders.add(name);
} else {
newFolders.add(name);
}
}
final Comparator<String> comparator = new Comparator<String>() {
@Override
public int compare(String s1, String s2) {
int ret = s1.compareToIgnoreCase(s2);
return (ret != 0) ? ret : s1.compareTo(s2);
}
};
Collections.sort(topFolders, comparator);
Collections.sort(newFolders, comparator);
List<String> localFolders = new ArrayList<String>(newFolders.size() +
topFolders.size() + ((mShowOptionNone) ? 1 : 0));
if (mShowOptionNone) {
localFolders.add(K9.FOLDER_NONE);
}
localFolders.addAll(topFolders);
localFolders.addAll(newFolders);
int selectedFolder = -1;
/*
* We're not allowed to change the adapter from a background thread, so we collect the
* folder names and update the adapter in the UI thread (see finally block).
*/
final List<String> folderList = new ArrayList<String>();
try {
int position = 0;
for (String name : localFolders) {
if (mAccount.getInboxFolderName().equalsIgnoreCase(name)) {
folderList.add(getString(R.string.special_mailbox_name_inbox));
mHeldInbox = name;
} else if (!K9.ERROR_FOLDER_NAME.equals(name) &&
!account.getOutboxFolderName().equals(name)) {
folderList.add(name);
}
if (mSelectFolder != null) {
/*
* Never select EXTRA_CUR_FOLDER (mFolder) if EXTRA_SEL_FOLDER
* (mSelectedFolder) was provided.
*/
if (name.equals(mSelectFolder)) {
selectedFolder = position;
}
} else if (name.equals(mFolder) || (
mAccount.getInboxFolderName().equalsIgnoreCase(mFolder) &&
mAccount.getInboxFolderName().equalsIgnoreCase(name))) {
selectedFolder = position;
}
position++;
}
} finally {
runOnUiThread(new Runnable() {
@Override
public void run() {
// Now we're in the UI-thread, we can safely change the contents of the adapter.
mAdapter.clear();
for (String folderName: folderList) {
mAdapter.add(folderName);
}
mAdapter.notifyDataSetChanged();
/*
* Only enable the text filter after the list has been
* populated to avoid possible race conditions because our
* FolderListFilter isn't really thread-safe.
*/
getListView().setTextFilterEnabled(true);
}
});
}
if (selectedFolder != -1) {
mHandler.setSelectedFolder(selectedFolder);
}
}
};
}