901 lines
32 KiB
Java
901 lines
32 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.Controller;
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import com.android.email.Email;
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import com.android.email.R;
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import com.android.email.Utility;
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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 com.android.email.provider.EmailContent.Mailbox;
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import com.android.email.provider.EmailContent.MailboxColumns;
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import com.android.email.provider.EmailContent.MessageColumns;
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import com.android.email.service.MailService;
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import android.app.Activity;
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import android.app.Fragment;
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import android.app.ListFragment;
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import android.content.ContentResolver;
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import android.content.ContentUris;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.os.Handler;
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import android.view.LayoutInflater;
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import android.view.MenuInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.ListView;
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import android.widget.TextView;
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import android.widget.Toast;
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import android.widget.AdapterView.OnItemClickListener;
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import android.widget.AdapterView.OnItemLongClickListener;
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import java.security.InvalidParameterException;
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import java.util.HashSet;
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import java.util.Set;
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public class MessageListFragment extends ListFragment implements OnItemClickListener,
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OnItemLongClickListener, MessagesAdapter.Callback {
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private static final String STATE_SELECTED_ITEM_TOP =
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"com.android.email.activity.MessageList.selectedItemTop";
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private static final String STATE_SELECTED_POSITION =
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"com.android.email.activity.MessageList.selectedPosition";
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private static final String STATE_CHECKED_ITEMS =
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"com.android.email.activity.MessageList.checkedItems";
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// UI Support
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private Activity mActivity;
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private Callback mCallback = EmptyCallback.INSTANCE;
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private View mListFooterView;
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private TextView mListFooterText;
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private View mListFooterProgress;
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private static final int LIST_FOOTER_MODE_NONE = 0;
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private static final int LIST_FOOTER_MODE_REFRESH = 1;
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private static final int LIST_FOOTER_MODE_MORE = 2;
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private static final int LIST_FOOTER_MODE_SEND = 3;
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private int mListFooterMode;
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private MessagesAdapter mListAdapter;
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// DB access
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private ContentResolver mResolver;
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private long mAccountId = -1;
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private long mMailboxId = -1;
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private LoadMessagesTask mLoadMessagesTask;
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private SetFooterTask mSetFooterTask;
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/* package */ static final String[] MESSAGE_PROJECTION = new String[] {
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EmailContent.RECORD_ID, MessageColumns.MAILBOX_KEY, MessageColumns.ACCOUNT_KEY,
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MessageColumns.DISPLAY_NAME, MessageColumns.SUBJECT, MessageColumns.TIMESTAMP,
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MessageColumns.FLAG_READ, MessageColumns.FLAG_FAVORITE, MessageColumns.FLAG_ATTACHMENT,
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MessageColumns.FLAGS,
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};
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// Controller access
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private Controller mController;
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// Misc members
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private Boolean mPushModeMailbox = null;
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private int mSavedItemTop = 0;
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private int mSavedItemPosition = -1;
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private int mFirstSelectedItemTop = 0;
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private int mFirstSelectedItemPosition = -1;
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private int mFirstSelectedItemHeight = -1;
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private boolean mCanAutoRefresh;
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private boolean mStarted;
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/**
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* Callback interface that owning activities must implement
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*/
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public interface Callback {
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/**
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* Called when selected messages have been changed.
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*/
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public void onSelectionChanged();
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/**
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* Called when the specified mailbox does not exist.
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*/
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public void onMailboxNotFound();
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/**
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* Called when the user wants to open a message.
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* Note {@code mailboxId} is of the actual mailbox of the message, which is different from
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* {@link MessageListFragment#getMailboxId} if it's magic mailboxes.
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*/
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public void onMessageOpen(final long messageId, final long mailboxId);
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}
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private static final class EmptyCallback implements Callback {
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public static final Callback INSTANCE = new EmptyCallback();
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public void onMailboxNotFound() {
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}
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public void onSelectionChanged() {
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}
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public void onMessageOpen(long messageId, long mailboxId) {
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}
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mActivity = getActivity();
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mResolver = mActivity.getContentResolver();
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mController = Controller.getInstance(mActivity);
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mCanAutoRefresh = true;
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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ListView listView = getListView();
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listView.setOnItemClickListener(this);
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listView.setOnItemLongClickListener(this);
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listView.setItemsCanFocus(false);
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mListAdapter = new MessagesAdapter(mActivity, new Handler(), this);
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mListFooterView = getActivity().getLayoutInflater().inflate(
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R.layout.message_list_item_footer, listView, false);
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// TODO extend this to properly deal with multiple mailboxes, cursor, etc.
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if (savedInstanceState != null) {
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// Fragment doesn't have this method. Call it manually.
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onRestoreInstanceState(savedInstanceState);
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}
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}
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@Override
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public void onStart() {
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super.onStart();
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mStarted = true;
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if (mAccountId != -1) {
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startLoading();
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}
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}
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@Override
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public void onStop() {
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mStarted = false;
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super.onStop();
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}
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@Override
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public void onResume() {
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super.onResume();
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restoreListPosition();
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autoRefreshStaleMailbox();
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}
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@Override
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public void onDestroy() {
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Utility.cancelTaskInterrupt(mLoadMessagesTask);
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mLoadMessagesTask = null;
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Utility.cancelTaskInterrupt(mSetFooterTask);
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mSetFooterTask = null;
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if (mListAdapter != null) {
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mListAdapter.changeCursor(null);
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}
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super.onDestroy();
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}
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@Override
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public void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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saveListPosition();
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outState.putInt(STATE_SELECTED_POSITION, mSavedItemPosition);
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outState.putInt(STATE_SELECTED_ITEM_TOP, mSavedItemTop);
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Set<Long> checkedset = mListAdapter.getSelectedSet();
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long[] checkedarray = new long[checkedset.size()];
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int i = 0;
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for (Long l : checkedset) {
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checkedarray[i] = l;
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i++;
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}
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outState.putLongArray(STATE_CHECKED_ITEMS, checkedarray);
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}
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// Unit tests use it
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/* package */ void onRestoreInstanceState(Bundle savedInstanceState) {
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mSavedItemTop = savedInstanceState.getInt(STATE_SELECTED_ITEM_TOP, 0);
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mSavedItemPosition = savedInstanceState.getInt(STATE_SELECTED_POSITION, -1);
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Set<Long> checkedset = mListAdapter.getSelectedSet();
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for (long l: savedInstanceState.getLongArray(STATE_CHECKED_ITEMS)) {
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checkedset.add(l);
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}
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}
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public void setCallback(Callback callback) {
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mCallback = (callback != null) ? callback : EmptyCallback.INSTANCE;
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}
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/**
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* Called by an Activity to open an mailbox.
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*
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* @param accountId account id of the mailbox, if already known. Pass -1 if unknown or
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* {@code mailboxId} is of a special mailbox. If -1 is passed, this fragment will find it
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* using {@code mailboxId}, which the activity can get later with {@link #getAccountId()}.
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* Passing -1 is always safe, but we can skip a database lookup if specified.
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*
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* @param mailboxId the ID of a mailbox, or one of "special" mailbox IDs like
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* {@link Mailbox#QUERY_ALL_INBOXES}. -1 is not allowed.
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*/
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public void openMailbox(long accountId, long mailboxId) {
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if (mailboxId == -1) {
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throw new InvalidParameterException();
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}
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mAccountId = accountId;
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mMailboxId = mailboxId;
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if (mStarted) {
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startLoading();
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}
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}
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private void startLoading() {
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Utility.cancelTaskInterrupt(mLoadMessagesTask);
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mLoadMessagesTask = new LoadMessagesTask(mMailboxId, mAccountId);
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mLoadMessagesTask.execute();
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}
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/* package */ MessagesAdapter getAdapterForTest() {
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return mListAdapter;
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}
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/**
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* @return the account id or -1 if it's unknown yet. It's also -1 if it's a magic mailbox.
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*/
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public long getAccountId() {
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return mAccountId;
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}
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/**
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* @return the mailbox id, which is the value set to {@link #openMailbox(long, long)}.
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* (Meaning it will never return -1, but may return special values,
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* eg {@link Mailbox#QUERY_ALL_INBOXES}).
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*/
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public long getMailboxId() {
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return mMailboxId;
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}
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/**
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* @return true if the mailbox is a "special" box. (e.g. combined inbox, all starred, etc.)
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*/
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public boolean isMagicMailbox() {
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return mMailboxId < 0;
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}
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/**
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* @return if it's an outbox.
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*/
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public boolean isOutbox() {
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return mListFooterMode == LIST_FOOTER_MODE_SEND;
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}
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/**
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* @return the number of messages that are currently selecteed.
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*/
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public int getSelectedCount() {
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return mListAdapter.getSelectedSet().size();
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}
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/**
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* @return true if the list is in the "selection" mode.
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*/
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private boolean isInSelectionMode() {
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return getSelectedCount() > 0;
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}
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/**
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* Save the focused list item.
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*
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* TODO It's not really working. Fix it.
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*/
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private void saveListPosition() {
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mSavedItemPosition = getListView().getSelectedItemPosition();
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if (mSavedItemPosition >= 0 && getListView().isSelected()) {
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mSavedItemTop = getListView().getSelectedView().getTop();
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} else {
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mSavedItemPosition = getListView().getFirstVisiblePosition();
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if (mSavedItemPosition >= 0) {
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mSavedItemTop = 0;
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View topChild = getListView().getChildAt(0);
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if (topChild != null) {
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mSavedItemTop = topChild.getTop();
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}
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}
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}
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}
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/**
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* Restore the focused list item.
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*
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* TODO It's not really working. Fix it.
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*/
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private void restoreListPosition() {
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if (mSavedItemPosition >= 0 && mSavedItemPosition < getListView().getCount()) {
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getListView().setSelectionFromTop(mSavedItemPosition, mSavedItemTop);
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mSavedItemPosition = -1;
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mSavedItemTop = 0;
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}
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}
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/**
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* Called when a message is clicked.
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*/
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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if (view != mListFooterView) {
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MessageListItem itemView = (MessageListItem) view;
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if (isInSelectionMode()) {
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toggleSelection(itemView);
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} else {
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mCallback.onMessageOpen(id, itemView.mMailboxId);
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}
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} else {
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doFooterClick();
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}
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}
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public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
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if (view != mListFooterView) {
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if (isInSelectionMode()) {
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// Already in selection mode. Ignore.
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} else {
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toggleSelection((MessageListItem) view);
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return true;
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}
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}
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return false;
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}
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private void toggleSelection(MessageListItem itemView) {
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mListAdapter.updateSelected(itemView, !mListAdapter.isSelected(itemView));
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}
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public void onMultiToggleRead() {
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onMultiToggleRead(mListAdapter.getSelectedSet());
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}
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public void onMultiToggleFavorite() {
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onMultiToggleFavorite(mListAdapter.getSelectedSet());
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}
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public void onMultiDelete() {
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onMultiDelete(mListAdapter.getSelectedSet());
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}
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/**
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* Refresh the list. NOOP for special mailboxes (e.g. combined inbox).
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*/
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public void onRefresh() {
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if (!isMagicMailbox()) {
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// Note we can use mAccountId here because it's not a magic mailbox, which doesn't have
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// a specific account id.
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mController.updateMailbox(mAccountId, mMailboxId);
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}
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}
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public void onDeselectAll() {
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mListAdapter.getSelectedSet().clear();
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getListView().invalidateViews();
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mCallback.onSelectionChanged();
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}
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/**
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* Load more messages. NOOP for special mailboxes (e.g. combined inbox).
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*/
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private void onLoadMoreMessages() {
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if (!isMagicMailbox()) {
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mController.loadMoreMessages(mMailboxId);
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}
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}
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public void onSendPendingMessages() {
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if (getMailboxId() == Mailbox.QUERY_ALL_OUTBOX) {
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mController.sendPendingMessagesForAllAccounts(mActivity);
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} else if (!isMagicMailbox()) { // Magic boxes don't have a specific account id.
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mController.sendPendingMessages(getAccountId());
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}
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}
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private void onSetMessageRead(long messageId, boolean newRead) {
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mController.setMessageRead(messageId, newRead);
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}
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private void onSetMessageFavorite(long messageId, boolean newFavorite) {
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mController.setMessageFavorite(messageId, newFavorite);
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}
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/**
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* Toggles a set read/unread states. Note, the default behavior is "mark unread", so the
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* sense of the helper methods is "true=unread".
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*
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* @param selectedSet The current list of selected items
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*/
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private void onMultiToggleRead(Set<Long> selectedSet) {
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toggleMultiple(selectedSet, new MultiToggleHelper() {
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public boolean getField(long messageId, Cursor c) {
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return c.getInt(MessagesAdapter.COLUMN_READ) == 0;
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}
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public boolean setField(long messageId, Cursor c, boolean newValue) {
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boolean oldValue = getField(messageId, c);
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if (oldValue != newValue) {
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onSetMessageRead(messageId, !newValue);
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return true;
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}
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return false;
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}
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});
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}
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/**
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* Toggles a set of favorites (stars)
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*
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* @param selectedSet The current list of selected items
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*/
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private void onMultiToggleFavorite(Set<Long> selectedSet) {
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toggleMultiple(selectedSet, new MultiToggleHelper() {
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public boolean getField(long messageId, Cursor c) {
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return c.getInt(MessagesAdapter.COLUMN_FAVORITE) != 0;
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}
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public boolean setField(long messageId, Cursor c, boolean newValue) {
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boolean oldValue = getField(messageId, c);
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if (oldValue != newValue) {
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onSetMessageFavorite(messageId, newValue);
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return true;
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}
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return false;
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}
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});
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}
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private void onMultiDelete(Set<Long> selectedSet) {
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// Clone the set, because deleting is going to thrash things
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HashSet<Long> cloneSet = new HashSet<Long>(selectedSet);
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for (Long id : cloneSet) {
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mController.deleteMessage(id, -1);
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}
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Toast.makeText(mActivity, mActivity.getResources().getQuantityString(
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R.plurals.message_deleted_toast, cloneSet.size()), Toast.LENGTH_SHORT).show();
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selectedSet.clear();
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mCallback.onSelectionChanged();
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}
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private interface MultiToggleHelper {
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/**
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* Return true if the field of interest is "set". If one or more are false, then our
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* bulk action will be to "set". If all are set, our bulk action will be to "clear".
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* @param messageId the message id of the current message
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* @param c the cursor, positioned to the item of interest
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* @return true if the field at this row is "set"
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*/
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public boolean getField(long messageId, Cursor c);
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/**
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* Set or clear the field of interest. Return true if a change was made.
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* @param messageId the message id of the current message
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* @param c the cursor, positioned to the item of interest
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* @param newValue the new value to be set at this row
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* @return true if a change was actually made
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*/
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public boolean setField(long messageId, Cursor c, boolean newValue);
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}
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/**
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* Toggle multiple fields in a message, using the following logic: If one or more fields
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* are "clear", then "set" them. If all fields are "set", then "clear" them all.
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*
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* @param selectedSet the set of messages that are selected
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* @param helper functions to implement the specific getter & setter
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* @return the number of messages that were updated
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*/
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private int toggleMultiple(Set<Long> selectedSet, MultiToggleHelper helper) {
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Cursor c = mListAdapter.getCursor();
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boolean anyWereFound = false;
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boolean allWereSet = true;
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c.moveToPosition(-1);
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while (c.moveToNext()) {
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long id = c.getInt(MessagesAdapter.COLUMN_ID);
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if (selectedSet.contains(Long.valueOf(id))) {
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anyWereFound = true;
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if (!helper.getField(id, c)) {
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allWereSet = false;
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break;
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}
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}
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}
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int numChanged = 0;
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if (anyWereFound) {
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boolean newValue = !allWereSet;
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c.moveToPosition(-1);
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|
while (c.moveToNext()) {
|
|
long id = c.getInt(MessagesAdapter.COLUMN_ID);
|
|
if (selectedSet.contains(Long.valueOf(id))) {
|
|
if (helper.setField(id, c, newValue)) {
|
|
++numChanged;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return numChanged;
|
|
}
|
|
|
|
/**
|
|
* Test selected messages for showing appropriate labels
|
|
* @param selectedSet
|
|
* @param column_id
|
|
* @param defaultflag
|
|
* @return true when the specified flagged message is selected
|
|
*/
|
|
private boolean testMultiple(Set<Long> selectedSet, int column_id, boolean defaultflag) {
|
|
Cursor c = mListAdapter.getCursor();
|
|
if (c == null || c.isClosed()) {
|
|
return false;
|
|
}
|
|
c.moveToPosition(-1);
|
|
while (c.moveToNext()) {
|
|
long id = c.getInt(MessagesAdapter.COLUMN_ID);
|
|
if (selectedSet.contains(Long.valueOf(id))) {
|
|
if (c.getInt(column_id) == (defaultflag? 1 : 0)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @return true if one or more non-starred messages are selected.
|
|
*/
|
|
public boolean doesSelectionContainNonStarredMessage() {
|
|
return testMultiple(mListAdapter.getSelectedSet(), MessagesAdapter.COLUMN_FAVORITE,
|
|
false);
|
|
}
|
|
|
|
/**
|
|
* @return true if one or more read messages are selected.
|
|
*/
|
|
public boolean doesSelectionContainReadMessage() {
|
|
return testMultiple(mListAdapter.getSelectedSet(), MessagesAdapter.COLUMN_READ, true);
|
|
}
|
|
|
|
/**
|
|
* Implements a timed refresh of "stale" mailboxes. This should only happen when
|
|
* multiple conditions are true, including:
|
|
* Only when the user explicitly opens the mailbox (not onResume, for example)
|
|
* Only for real, non-push mailboxes
|
|
* Only when the mailbox is "stale" (currently set to 5 minutes since last refresh)
|
|
*/
|
|
private void autoRefreshStaleMailbox() {
|
|
if (!mCanAutoRefresh
|
|
|| (mListAdapter.getCursor() == null) // Check if messages info is loaded
|
|
|| (mPushModeMailbox != null && mPushModeMailbox) // Check the push mode
|
|
|| isMagicMailbox()) { // Check if this mailbox is synthetic/combined
|
|
return;
|
|
}
|
|
mCanAutoRefresh = false;
|
|
if (!Email.mailboxRequiresRefresh(mMailboxId)) {
|
|
return;
|
|
}
|
|
onRefresh();
|
|
}
|
|
|
|
public void updateListPosition() { // TODO give it a better name
|
|
int listViewHeight = getListView().getHeight();
|
|
if (mListAdapter.getSelectedSet().size() == 1 && mFirstSelectedItemPosition >= 0
|
|
&& mFirstSelectedItemPosition < getListView().getCount()
|
|
&& listViewHeight < mFirstSelectedItemTop) {
|
|
getListView().setSelectionFromTop(mFirstSelectedItemPosition,
|
|
listViewHeight - mFirstSelectedItemHeight);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Show/hide the progress icon on the list footer. It's called by the host activity.
|
|
* TODO: It might be cleaner if the fragment listen to the controller events and show it by
|
|
* itself, rather than letting the activity controll this.
|
|
*/
|
|
public void showProgressIcon(boolean show) {
|
|
if (mListFooterProgress != null) {
|
|
mListFooterProgress.setVisibility(show ? View.VISIBLE : View.GONE);
|
|
}
|
|
setListFooterText(show);
|
|
}
|
|
|
|
// Adapter callbacks
|
|
public void onAdapterFavoriteChanged(MessageListItem itemView, boolean newFavorite) {
|
|
onSetMessageFavorite(itemView.mMessageId, newFavorite);
|
|
}
|
|
|
|
public void onAdapterRequery() {
|
|
// This updates the "multi-selection" button labels.
|
|
mCallback.onSelectionChanged();
|
|
}
|
|
|
|
public void onAdapterSelectedChanged(MessageListItem itemView, boolean newSelected,
|
|
int mSelectedCount) {
|
|
if (mSelectedCount == 1 && newSelected) {
|
|
mFirstSelectedItemPosition = getListView().getPositionForView(itemView);
|
|
mFirstSelectedItemTop = itemView.getBottom();
|
|
mFirstSelectedItemHeight = itemView.getHeight();
|
|
} else {
|
|
mFirstSelectedItemPosition = -1;
|
|
}
|
|
mCallback.onSelectionChanged();
|
|
}
|
|
|
|
/**
|
|
* Add the fixed footer view if appropriate (not always - not all accounts & mailboxes).
|
|
*
|
|
* Here are some rules (finish this list):
|
|
*
|
|
* Any merged, synced box (except send): refresh
|
|
* Any push-mode account: refresh
|
|
* Any non-push-mode account: load more
|
|
* Any outbox (send again):
|
|
*
|
|
* @param mailboxId the ID of the mailbox
|
|
* @param accountId the ID of the account
|
|
*/
|
|
private void addFooterView(long mailboxId, long accountId) {
|
|
// first, look for shortcuts that don't need us to spin up a DB access task
|
|
if (mailboxId == Mailbox.QUERY_ALL_INBOXES
|
|
|| mailboxId == Mailbox.QUERY_ALL_UNREAD
|
|
|| mailboxId == Mailbox.QUERY_ALL_FAVORITES) {
|
|
finishFooterView(LIST_FOOTER_MODE_REFRESH);
|
|
return;
|
|
}
|
|
if (mailboxId == Mailbox.QUERY_ALL_DRAFTS) {
|
|
finishFooterView(LIST_FOOTER_MODE_NONE);
|
|
return;
|
|
}
|
|
if (mailboxId == Mailbox.QUERY_ALL_OUTBOX) {
|
|
finishFooterView(LIST_FOOTER_MODE_SEND);
|
|
return;
|
|
}
|
|
|
|
// We don't know enough to select the footer command type (yet), so we'll
|
|
// launch an async task to do the remaining lookups and decide what to do
|
|
mSetFooterTask = new SetFooterTask();
|
|
mSetFooterTask.execute(mailboxId, accountId);
|
|
}
|
|
|
|
private final static String[] MAILBOX_ACCOUNT_AND_TYPE_PROJECTION =
|
|
new String[] { MailboxColumns.ACCOUNT_KEY, MailboxColumns.TYPE };
|
|
|
|
private class SetFooterTask extends AsyncTask<Long, Void, Integer> {
|
|
/**
|
|
* There are two operational modes here, requiring different lookup.
|
|
* mailboxIs != -1: A specific mailbox - check its type, then look up its account
|
|
* accountId != -1: A specific account - look up the account
|
|
*/
|
|
@Override
|
|
protected Integer doInBackground(Long... params) {
|
|
long mailboxId = params[0];
|
|
long accountId = params[1];
|
|
int mailboxType = -1;
|
|
if (mailboxId != -1) {
|
|
try {
|
|
Uri uri = ContentUris.withAppendedId(Mailbox.CONTENT_URI, mailboxId);
|
|
Cursor c = mResolver.query(uri, MAILBOX_ACCOUNT_AND_TYPE_PROJECTION,
|
|
null, null, null);
|
|
if (c.moveToFirst()) {
|
|
try {
|
|
accountId = c.getLong(0);
|
|
mailboxType = c.getInt(1);
|
|
} finally {
|
|
c.close();
|
|
}
|
|
}
|
|
} catch (IllegalArgumentException iae) {
|
|
// can't do any more here
|
|
return LIST_FOOTER_MODE_NONE;
|
|
}
|
|
}
|
|
switch (mailboxType) {
|
|
case Mailbox.TYPE_OUTBOX:
|
|
return LIST_FOOTER_MODE_SEND;
|
|
case Mailbox.TYPE_DRAFTS:
|
|
return LIST_FOOTER_MODE_NONE;
|
|
}
|
|
if (accountId != -1) {
|
|
// This is inefficient but the best fix is not here but in isMessagingController
|
|
Account account = Account.restoreAccountWithId(mActivity, accountId);
|
|
if (account != null) {
|
|
// TODO move this to more appropriate place
|
|
// (don't change member fields on a worker thread.)
|
|
mPushModeMailbox = account.mSyncInterval == Account.CHECK_INTERVAL_PUSH;
|
|
if (mController.isMessagingController(account)) {
|
|
return LIST_FOOTER_MODE_MORE; // IMAP or POP
|
|
} else {
|
|
return LIST_FOOTER_MODE_NONE; // EAS
|
|
}
|
|
}
|
|
}
|
|
return LIST_FOOTER_MODE_NONE;
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(Integer listFooterMode) {
|
|
if (isCancelled()) {
|
|
return;
|
|
}
|
|
if (listFooterMode == null) {
|
|
return;
|
|
}
|
|
finishFooterView(listFooterMode);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add the fixed footer view as specified, and set up the test as well.
|
|
*
|
|
* @param listFooterMode the footer mode we've determined should be used for this list
|
|
*/
|
|
private void finishFooterView(int listFooterMode) {
|
|
mListFooterMode = listFooterMode;
|
|
if (mListFooterMode != LIST_FOOTER_MODE_NONE) {
|
|
getListView().addFooterView(mListFooterView);
|
|
getListView().setAdapter(mListAdapter);
|
|
|
|
mListFooterProgress = mListFooterView.findViewById(R.id.progress);
|
|
mListFooterText = (TextView) mListFooterView.findViewById(R.id.main_text);
|
|
setListFooterText(false);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the list footer text based on mode and "active" status
|
|
*/
|
|
private void setListFooterText(boolean active) {
|
|
if (mListFooterMode != LIST_FOOTER_MODE_NONE) {
|
|
int footerTextId = 0;
|
|
switch (mListFooterMode) {
|
|
case LIST_FOOTER_MODE_REFRESH:
|
|
footerTextId = active ? R.string.status_loading_more
|
|
: R.string.refresh_action;
|
|
break;
|
|
case LIST_FOOTER_MODE_MORE:
|
|
footerTextId = active ? R.string.status_loading_more
|
|
: R.string.message_list_load_more_messages_action;
|
|
break;
|
|
case LIST_FOOTER_MODE_SEND:
|
|
footerTextId = active ? R.string.status_sending_messages
|
|
: R.string.message_list_send_pending_messages_action;
|
|
break;
|
|
}
|
|
mListFooterText.setText(footerTextId);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handle a click in the list footer, which changes meaning depending on what we're looking at.
|
|
*/
|
|
private void doFooterClick() {
|
|
switch (mListFooterMode) {
|
|
case LIST_FOOTER_MODE_NONE: // should never happen
|
|
break;
|
|
case LIST_FOOTER_MODE_REFRESH:
|
|
onRefresh();
|
|
break;
|
|
case LIST_FOOTER_MODE_MORE:
|
|
onLoadMoreMessages();
|
|
break;
|
|
case LIST_FOOTER_MODE_SEND:
|
|
onSendPendingMessages();
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Async task for loading a single folder out of the UI thread
|
|
*
|
|
* The code here (for merged boxes) is a placeholder/hack and should be replaced. Some
|
|
* specific notes:
|
|
* TODO: Move the double query into a specialized URI that returns all inbox messages
|
|
* and do the dirty work in raw SQL in the provider.
|
|
* TODO: Generalize the query generation so we can reuse it in MessageView (for next/prev)
|
|
*/
|
|
private class LoadMessagesTask extends AsyncTask<Void, Void, Cursor> {
|
|
|
|
private final long mMailboxKey;
|
|
private long mAccountKey;
|
|
|
|
/**
|
|
* Special constructor to cache some local info
|
|
*/
|
|
public LoadMessagesTask(long mailboxKey, long accountKey) {
|
|
mMailboxKey = mailboxKey;
|
|
mAccountKey = accountKey;
|
|
}
|
|
|
|
@Override
|
|
protected Cursor doInBackground(Void... params) {
|
|
// First, determine account id, if unknown
|
|
if (mAccountKey == -1) { // TODO Use constant instead of -1
|
|
if (isMagicMailbox()) {
|
|
// Magic mailbox. No accountid.
|
|
} else {
|
|
EmailContent.Mailbox mailbox =
|
|
EmailContent.Mailbox.restoreMailboxWithId(mActivity, mMailboxKey);
|
|
if (mailbox != null) {
|
|
mAccountKey = mailbox.mAccountKey;
|
|
} else {
|
|
// Mailbox not found.
|
|
// TODO We used to close the activity in this case, but what to do now??
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Load messages
|
|
String selection =
|
|
Utility.buildMailboxIdSelection(mResolver, mMailboxKey);
|
|
Cursor c = mActivity.managedQuery(EmailContent.Message.CONTENT_URI, MESSAGE_PROJECTION,
|
|
selection, null, EmailContent.MessageColumns.TIMESTAMP + " DESC");
|
|
return c;
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(Cursor cursor) {
|
|
if (isCancelled()) {
|
|
return;
|
|
}
|
|
if (cursor == null || cursor.isClosed()) {
|
|
mCallback.onMailboxNotFound();
|
|
return;
|
|
}
|
|
MessageListFragment.this.mAccountId = mAccountKey;
|
|
|
|
addFooterView(mMailboxKey, mAccountKey);
|
|
|
|
// TODO changeCursor(null)??
|
|
mListAdapter.changeCursor(cursor);
|
|
setListAdapter(mListAdapter);
|
|
|
|
// changeCursor occurs the jumping of position in ListView, so it's need to restore
|
|
// the position;
|
|
restoreListPosition();
|
|
autoRefreshStaleMailbox();
|
|
// Reset the "new messages" count in the service, since we're seeing them now
|
|
if (mMailboxKey == Mailbox.QUERY_ALL_INBOXES) {
|
|
MailService.resetNewMessageCount(mActivity, -1);
|
|
} else if (mMailboxKey >= 0 && mAccountKey != -1) {
|
|
MailService.resetNewMessageCount(mActivity, mAccountKey);
|
|
}
|
|
}
|
|
}
|
|
}
|