131 lines
4.7 KiB
Java
131 lines
4.7 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.email.activity;
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import com.android.email.R;
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import com.android.email.data.ThrottlingCursorLoader;
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import com.android.email.provider.EmailContent;
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import com.android.email.provider.EmailContent.Account;
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import android.content.Context;
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import android.content.Loader;
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import android.database.Cursor;
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import android.database.MatrixCursor;
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import android.database.MatrixCursor.RowBuilder;
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import android.database.MergeCursor;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.CursorAdapter;
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import android.widget.TextView;
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/**
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* Adapter for the account selector on {@link MessageListXL}.
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*
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* TODO Test it!
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* TODO Use layout? Or use the standard resources that ActionBarDemo uses?
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* TODO Revisit the sort order when we get more detailed UI spec. (current sort order makes things
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* simpler for now.) Maybe we can just use SimpleCursorAdapter.
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*/
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public class AccountSelectorAdapter extends CursorAdapter {
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private static final String[] PROJECTION = new String[] {
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EmailContent.RECORD_ID,
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EmailContent.Account.DISPLAY_NAME
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};
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private static final int ID_COLUMN = 0;
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private static final int DISPLAY_NAME_COLUMN = 1;
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/** Sort order. Show the default account first. */
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private static final String ORDER_BY =
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EmailContent.Account.IS_DEFAULT + " desc, " + EmailContent.Account.RECORD_ID;
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private final LayoutInflater mInflater;
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public static Loader<Cursor> createLoader(Context context) {
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return new AccountsLoader(context);
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}
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public AccountSelectorAdapter(Context context, Cursor c) {
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super(context, c, 0 /* no auto-requery */);
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mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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}
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@Override
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public View getDropDownView(int position, View convertView, ViewGroup parent) {
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View view = mInflater.inflate(android.R.layout.simple_spinner_dropdown_item, null);
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TextView textView = (TextView) view.findViewById(android.R.id.text1);
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textView.setText(getAccountDisplayName(position));
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return view;
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}
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@Override
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public void bindView(View view, Context context, Cursor cursor) {
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TextView textView = (TextView) view.findViewById(android.R.id.text1);
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textView.setText(getAccountDisplayName(cursor));
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}
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@Override
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public View newView(Context context, Cursor cursor, ViewGroup parent) {
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return mInflater.inflate(android.R.layout.simple_spinner_item, null);
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}
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/** @return Account id extracted from a Cursor. */
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public static long getAccountId(Cursor c) {
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return c.getLong(ID_COLUMN);
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}
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private String getAccountDisplayName(int position) {
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final Cursor c = getCursor();
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return c.moveToPosition(position) ? getAccountDisplayName(c) : null;
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}
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/** @return Account name extracted from a Cursor. */
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public static String getAccountDisplayName(Cursor cursor) {
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return cursor.getString(DISPLAY_NAME_COLUMN);
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}
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/**
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* Load the account list. Also add the "Combined view" row if there's more than one account.
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*/
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private static class AccountsLoader extends ThrottlingCursorLoader {
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private final Context mContext;
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public AccountsLoader(Context context) {
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super(context, EmailContent.Account.CONTENT_URI, PROJECTION, null, null, ORDER_BY);
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mContext = context;
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}
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@Override
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public Cursor loadInBackground() {
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final Cursor accountsCursor = super.loadInBackground();
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if (accountsCursor.getCount() <= 1) {
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return accountsCursor;
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}
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// If more than 1 account, add "Combined view".
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final MatrixCursor combinedViewRow = new MatrixCursor(PROJECTION);
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RowBuilder rb = combinedViewRow.newRow();
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// Add ID and display name
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rb.add(Account.ACCOUNT_ID_COMBINED_VIEW);
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rb.add(mContext.getResources().getString(
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R.string.mailbox_list_account_selector_combined_view));
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return new MergeCursor(new Cursor[] {accountsCursor, combinedViewRow});
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}
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}
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}
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