package com.fsck.k9.activity; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import android.os.AsyncTask; import android.os.Bundle; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TextView; import com.fsck.k9.Account; import com.fsck.k9.BaseAccount; import com.fsck.k9.FontSizes; import com.fsck.k9.K9; import com.fsck.k9.Preferences; import com.fsck.k9.R; import com.fsck.k9.search.SearchAccount; /** * Activity displaying the list of accounts. * *

* Classes extending this abstract class have to provide an {@link #onAccountSelected(BaseAccount)} * method to perform an action when an account is selected. *

*/ public abstract class AccountList extends K9ListActivity implements OnItemClickListener { private FontSizes mFontSizes = K9.getFontSizes(); @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setResult(RESULT_CANCELED); setContentView(R.layout.account_list); ListView listView = getListView(); listView.setOnItemClickListener(this); listView.setItemsCanFocus(false); } /** * Reload list of accounts when this activity is resumed. */ @Override public void onResume() { super.onResume(); new LoadAccounts().execute(); } @Override public void onItemClick(AdapterView parent, View view, int position, long id) { BaseAccount account = (BaseAccount) parent.getItemAtPosition(position); onAccountSelected(account); } /** * Create a new {@link AccountsAdapter} instance and assign it to the {@link ListView}. * * @param realAccounts * An array of accounts to display. */ public void populateListView(Account[] realAccounts) { List accounts = new ArrayList(); if (displaySpecialAccounts() && !K9.isHideSpecialAccounts()) { BaseAccount unifiedInboxAccount = SearchAccount.createUnifiedInboxAccount(this); BaseAccount allMessagesAccount = SearchAccount.createAllMessagesAccount(this); accounts.add(unifiedInboxAccount); accounts.add(allMessagesAccount); } accounts.addAll(Arrays.asList(realAccounts)); AccountsAdapter adapter = new AccountsAdapter(accounts); ListView listView = getListView(); listView.setAdapter(adapter); listView.invalidate(); } /** * Implementing decide whether or not to display special accounts in the list. * * @return {@code true}, if special accounts should be listed. {@code false}, otherwise. */ protected abstract boolean displaySpecialAccounts(); /** * This method will be called when an account was selected. * * @param account * The account the user selected. */ protected abstract void onAccountSelected(BaseAccount account); class AccountsAdapter extends ArrayAdapter { public AccountsAdapter(List accounts) { super(AccountList.this, 0, accounts); } @Override public View getView(int position, View convertView, ViewGroup parent) { final BaseAccount account = getItem(position); final View view; if (convertView != null) { view = convertView; } else { view = getLayoutInflater().inflate(R.layout.accounts_item, parent, false); view.findViewById(R.id.active_icons).setVisibility(View.GONE); view.findViewById(R.id.folders).setVisibility(View.GONE); } AccountViewHolder holder = (AccountViewHolder) view.getTag(); if (holder == null) { holder = new AccountViewHolder(); holder.description = (TextView) view.findViewById(R.id.description); holder.email = (TextView) view.findViewById(R.id.email); holder.chip = view.findViewById(R.id.chip); view.setTag(holder); } String description = account.getDescription(); if (account.getEmail().equals(description)) { holder.email.setVisibility(View.GONE); } else { holder.email.setVisibility(View.VISIBLE); holder.email.setText(account.getEmail()); } if (description == null || description.length() == 0) { description = account.getEmail(); } holder.description.setText(description); if (account instanceof Account) { Account realAccount = (Account) account; holder.chip.setBackgroundColor(realAccount.getChipColor()); } else { holder.chip.setBackgroundColor(0xff999999); } holder.chip.getBackground().setAlpha(255); mFontSizes.setViewTextSize(holder.description, mFontSizes.getAccountName()); mFontSizes.setViewTextSize(holder.email, mFontSizes.getAccountDescription()); return view; } class AccountViewHolder { public TextView description; public TextView email; public View chip; } } /** * Load accounts in a background thread */ class LoadAccounts extends AsyncTask { @Override protected Account[] doInBackground(Void... params) { Account[] accounts = Preferences.getPreferences(getApplicationContext()).getAccounts(); return accounts; } @Override protected void onPostExecute(Account[] accounts) { populateListView(accounts); } } }