com.android.mms.ui.ConversationList.java Source code

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/*
 * Copyright (C) 2008 Esmertec AG.
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.mms.ui;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.Reader;

import org.apache.http.util.EncodingUtils;

import com.android.internal.telephony.TelephonyIntents;
import com.android.mms.LogTag;
import com.android.mms.MmsApp;
import com.android.mms.R;
import com.android.mms.data.Contact;
import com.android.mms.data.ContactList;
import com.android.mms.data.Conversation;
import com.android.mms.transaction.MessagingNotification;
import com.android.mms.transaction.SmsRejectedReceiver;
import com.android.mms.util.DraftCache;
import com.android.mms.util.Recycler;
import com.google.android.mms.pdu.PduHeaders;
import android.database.sqlite.SqliteWrapper;

import android.app.AlertDialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.AsyncQueryHandler;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.DialogInterface.OnClickListener;
import android.content.res.Configuration;
import android.database.Cursor;
import android.database.sqlite.SQLiteException;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.provider.ContactsContract;
import android.provider.ContactsContract.Contacts;
import android.provider.Telephony.Mms;
import android.util.Log;
import android.view.ContextMenu;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View.OnCreateContextMenuListener;
import android.view.View.OnKeyListener;
import android.widget.AdapterView;
import android.widget.CheckBox;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import android.telephony.TelephonyManager;

import android.view.ViewGroup.LayoutParams; //by lai

/**
 * This activity provides a list view of existing conversations.
 */
public class ConversationList extends ListActivity implements DraftCache.OnDraftChangedListener {
    private static final String TAG = "ConversationList";
    private static final boolean DEBUG = false;
    private static final boolean LOCAL_LOGV = DEBUG;

    private static final int THREAD_LIST_QUERY_TOKEN = 1701;
    public static final int DELETE_CONVERSATION_TOKEN = 1801;
    public static final int HAVE_LOCKED_MESSAGES_TOKEN = 1802;
    private static final int DELETE_OBSOLETE_THREADS_TOKEN = 1803;

    // IDs of the main menu items.
    public static final int MENU_COMPOSE_NEW = 0;
    public static final int MENU_SEARCH = 1;
    public static final int MENU_DELETE_ALL = 3;
    public static final int MENU_PREFERENCES = 4;
    public static final int MENU_CBSMS = 5;
    public static final int MENU_MSG_FOLDER = 6;

    // IDs of the context menu items for the list of conversations.
    public static final int MENU_DELETE = 0;
    public static final int MENU_VIEW = 1;
    public static final int MENU_VIEW_CONTACT = 2;
    public static final int MENU_ADD_TO_CONTACTS = 3;

    private ThreadListQueryHandler mQueryHandler;
    private ConversationListAdapter mListAdapter;
    private CharSequence mTitle;
    private SharedPreferences mPrefs;
    private Handler mHandler;
    private boolean mNeedToMarkAsSeen;
    private boolean[] mSmsReady = { false, false };
    private boolean fromFolder = false;

    private static boolean notDeleting = true;

    private ListView listView;
    static private final String CHECKED_MESSAGE_LIMITS = "checked_message_limits";
    static final String MMS_LAUNCH_MODE_PATH = "/data/data/com.android.mms/launchmode";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        String launchMode = getLaunchMode(MMS_LAUNCH_MODE_PATH);
        if (!"folder".equals(launchMode)) {
            setLaunchMode(MMS_LAUNCH_MODE_PATH, "conversation");

            requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
            setContentView(R.layout.conversation_list_screen);

            mQueryHandler = new ThreadListQueryHandler(getContentResolver());

            //            ListView
            listView = getListView();
            LayoutInflater inflater = LayoutInflater.from(this);
            ConversationListItem headerView = (ConversationListItem) inflater
                    .inflate(R.layout.conversation_list_item, listView, false);

            /*---------------------by lai----------------------------*/
            headerView.setVisibility(View.GONE);
            LayoutParams laParams = (LayoutParams) headerView.getLayoutParams();
            laParams.height = 1;//
            headerView.setLayoutParams(laParams);//
            /*---------------------by lai----------------------------*/

            headerView.bind(getString(R.string.new_message), getString(R.string.create_new_message));
            listView.addHeaderView(headerView, null, true);

            listView.setOnCreateContextMenuListener(mConvListOnCreateContextMenuListener);
            listView.setOnKeyListener(mThreadListKeyListener);

            initListAdapter();

            mTitle = getString(R.string.app_label);

            mHandler = new Handler();
            mPrefs = PreferenceManager.getDefaultSharedPreferences(this);
            boolean checkedMessageLimits = mPrefs.getBoolean(CHECKED_MESSAGE_LIMITS, false);
            if (DEBUG)
                Log.v(TAG, "checkedMessageLimits: " + checkedMessageLimits);
            if (!checkedMessageLimits || DEBUG) {
                runOneTimeStorageLimitCheckForLegacyMessages();
            }

            // fixed bug for 19102 19105 start
            if (MmsApp.initMms) {
                Conversation.init(this, true);
            }
            // fixed bug for 19102 19105 end
        } else {
            Intent it = new Intent(this, MessageFolderActivity.class);
            startActivity(it);
            this.finish();
        }
    }

    private final ConversationListAdapter.OnContentChangedListener mContentChangedListener = new ConversationListAdapter.OnContentChangedListener() {
        public void onContentChanged(ConversationListAdapter adapter) {
            startAsyncQuery();
        }
    };

    private void initListAdapter() {
        if (mListAdapter == null) {
            mListAdapter = new ConversationListAdapter(this.getBaseContext(), null);
        }
        mListAdapter.setOnContentChangedListener(mContentChangedListener);
        setListAdapter(mListAdapter);
        listView.setRecyclerListener(mListAdapter);
        //        getListView().setRecyclerListener(mListAdapter);
    }

    /**
     * Checks to see if the number of MMS and SMS messages are under the limits for the
     * recycler. If so, it will automatically turn on the recycler setting. If not, it
     * will prompt the user with a message and point them to the setting to manually
     * turn on the recycler.
     */
    public synchronized void runOneTimeStorageLimitCheckForLegacyMessages() {
        if (Recycler.isAutoDeleteEnabled(this)) {
            if (DEBUG)
                Log.v(TAG, "recycler is already turned on");
            // The recycler is already turned on. We don't need to check anything or warn
            // the user, just remember that we've made the check.
            markCheckedMessageLimit();
            return;
        }
        new Thread(new Runnable() {
            public void run() {
                if (Recycler.checkForThreadsOverLimit(ConversationList.this)) {
                    if (DEBUG)
                        Log.v(TAG, "checkForThreadsOverLimit TRUE");
                    // Dang, one or more of the threads are over the limit. Show an activity
                    // that'll encourage the user to manually turn on the setting. Delay showing
                    // this activity until a couple of seconds after the conversation list appears.
                    mHandler.postDelayed(new Runnable() {
                        public void run() {
                            Intent intent = new Intent(ConversationList.this, WarnOfStorageLimitsActivity.class);
                            startActivity(intent);
                        }
                    }, 2000);
                } else {
                    if (DEBUG)
                        Log.v(TAG, "checkForThreadsOverLimit silently turning on recycler");
                    // No threads were over the limit. Turn on the recycler by default.
                    runOnUiThread(new Runnable() {
                        public void run() {
                            SharedPreferences.Editor editor = mPrefs.edit();
                            editor.putBoolean(MessagingPreferenceActivity.AUTO_DELETE, true);
                            editor.apply();
                        }
                    });
                }
                // Remember that we don't have to do the check anymore when starting MMS.
                runOnUiThread(new Runnable() {
                    public void run() {
                        markCheckedMessageLimit();
                    }
                });
            }
        }).start();
    }

    /**
     * Mark in preferences that we've checked the user's message limits. Once checked, we'll
     * never check them again, unless the user wipe-data or resets the device.
     */
    private void markCheckedMessageLimit() {
        if (DEBUG)
            Log.v(TAG, "markCheckedMessageLimit");
        SharedPreferences.Editor editor = mPrefs.edit();
        editor.putBoolean(CHECKED_MESSAGE_LIMITS, true);
        editor.apply();
    }

    @Override
    protected void onNewIntent(Intent intent) {
        // Handle intents that occur after the activity has already been created.
        startAsyncQuery();
    }

    @Override
    protected void onStart() {
        super.onStart();
        if (notDeleting) {
            MessagingNotification.cancelNotification(getApplicationContext(),
                    SmsRejectedReceiver.SMS_REJECTED_NOTIFICATION_ID);

            DraftCache.getInstance().addOnDraftChangedListener(this);

            Intent it = getIntent();
            Bundle bundle = it.getExtras();
            if (bundle != null) {
                fromFolder = bundle.getBoolean("fromFolder", false);
            }
            if (fromFolder) {
                mNeedToMarkAsSeen = false;
            } else {
                mNeedToMarkAsSeen = true;
            }

            int dropNum = Conversation.cleanExpiredWapPush(this);
            if (0 < dropNum) {
                Toast.makeText(this, getResources().getString(R.string.dl_expired_wap_push, dropNum),
                        Toast.LENGTH_LONG).show();
            }

            startAsyncQuery();

            // We used to refresh the DraftCache here, but
            // refreshing the DraftCache each time we go to the ConversationList seems overly
            // aggressive. We already update the DraftCache when leaving CMA in onStop() and
            // onNewIntent(), and when we delete threads or delete all in CMA or this activity.
            // I hope we don't have to do such a heavy operation each time we enter here.

            // we invalidate the contact cache here because we want to get updated presence
            // and any contact changes. We don't invalidate the cache by observing presence and contact
            // changes (since that's too untargeted), so as a tradeoff we do it here.
            // If we're in the middle of the app initialization where we're loading the conversation
            // threads, don't invalidate the cache because we're in the process of building it.
            // TODO: think of a better way to invalidate cache more surgically or based on actual
            // TODO: changes we care about
            if (!Conversation.loadingThreads()) {
                Contact.invalidateCache();
            }

            // Listen for broadcast intents that indicate the SMS is ready
            IntentFilter filter = new IntentFilter(TelephonyIntents.ACTION_IS_SIM_SMS_READY);
            //===== fixed CR<NEWMS00127040> by luning at 11-10-07 begin =====
            filter.addAction(TelephonyIntents.ACTION_IS_SIM_SMS_READY1);
            registerReceiver(mReceiver, filter);
        }
    }

    @Override
    protected void onStop() {
        super.onStop();

        if (notDeleting) {
            DraftCache.getInstance().removeOnDraftChangedListener(this);
            mListAdapter.changeCursor(null);
        }

    }

    public void onDraftChanged(final long threadId, final boolean hasDraft) {
        // Run notifyDataSetChanged() on the main thread.
        mQueryHandler.post(new Runnable() {
            public void run() {
                if (Log.isLoggable(LogTag.APP, Log.VERBOSE)) {
                    log("onDraftChanged: threadId=" + threadId + ", hasDraft=" + hasDraft);
                }
                mListAdapter.notifyDataSetChanged();
            }
        });
    }

    private void startAsyncQuery() {
        if (mListAdapter == null) {
            mListAdapter = new ConversationListAdapter(this.getBaseContext(), null);
            mListAdapter.setOnContentChangedListener(mContentChangedListener);
            setListAdapter(mListAdapter);
            listView.setRecyclerListener(mListAdapter);
        }
        try {
            setTitle(getString(R.string.refreshing));
            setProgressBarIndeterminateVisibility(true);

            Conversation.startQueryForAll(mQueryHandler, THREAD_LIST_QUERY_TOKEN);
        } catch (SQLiteException e) {
            SqliteWrapper.checkSQLiteException(this, e);
            synchronized (Conversation.cacheThreadLock) {
                Conversation.cacheThreadLock.notify();
            }
        }
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        menu.clear();

        menu.add(0, MENU_MSG_FOLDER, 0, R.string.menu_msg_folder).setIcon(R.drawable.ic_menu_folder);

        menu.add(0, MENU_COMPOSE_NEW, 0, R.string.menu_compose_new)
                .setIcon(com.android.internal.R.drawable.ic_menu_compose);

        if (mListAdapter.getCount() > 0) {
            menu.add(0, MENU_DELETE_ALL, 0, R.string.menu_delete_all).setIcon(android.R.drawable.ic_menu_delete);
        }

        menu.add(0, MENU_SEARCH, 0, android.R.string.search_go).setIcon(android.R.drawable.ic_menu_search)
                .setAlphabeticShortcut(android.app.SearchManager.MENU_KEY);

        menu.add(0, MENU_PREFERENCES, 0, R.string.menu_preferences).setIcon(android.R.drawable.ic_menu_preferences);

        menu.add(0, MENU_CBSMS, 0, R.string.cell_broadcast_sms).setIcon(R.drawable.menu_cb);

        return true;
    }

    public boolean isAnySmsReady() {
        if ((TelephonyManager.getPhoneCount() <= 1 && mSmsReady[0])
                || (TelephonyManager.getPhoneCount() > 1 && (mSmsReady[0] || mSmsReady[1]))) {
            return true;
        } else {
            return false;
        }
    }

    @Override
    public boolean onSearchRequested() {
        startSearch(null, false, null /*appData*/, false);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case MENU_COMPOSE_NEW:
            createNewMessage();
            break;
        case MENU_SEARCH:
            onSearchRequested();
            break;
        case MENU_DELETE_ALL:
            // The invalid threadId of -1 means all threads here.
            //confirmDeleteThread(-1L, mQueryHandler);
            Intent intentDelete = new Intent(this, MultiSelectSmsDeleteActivity.class);
            startActivity(intentDelete);

            break;
        case MENU_PREFERENCES:
            Log.d(TAG, "[sms]onOptionsItemSelected mSmsReady[0]=" + mSmsReady[0] + " mSmsReady[1]=" + mSmsReady[1]);
            if (MessageUtils.isMSMS) {
                Intent intent = new Intent(this, MessagingPreferenceActivity.class);
                Bundle bundle = new Bundle();
                bundle.putString("mode", "conversation");
                intent.putExtras(bundle);
                startActivityIfNeeded(intent, -1);
            } else {
                if (isAnySmsReady()) {
                    Intent intent = new Intent(this, MessagingPreferenceActivity.class);
                    Bundle bundle = new Bundle();
                    bundle.putString("mode", "conversation");
                    intent.putExtras(bundle);
                    startActivityIfNeeded(intent, -1);
                } else {
                    Toast.makeText(this, this.getResources().getString(R.string.sim_no_ready), Toast.LENGTH_LONG)
                            .show();
                }
            }
            break;

        case MENU_CBSMS:
            //Intent intent = new Intent(Intent.ACTION_VIEW);
            // XXX We need to specify the component here because if we don't
            // the activity manager will try to resolve the type by calling
            // the content provider, which causes it to be loaded in a process
            // other than the Dialer process, which causes a lot of stuff to
            // break.
            final Intent intent = new Intent(ConversationList.this, CellBroadcastSmsActivity.class);
            startActivity(intent);
            break;

        case MENU_MSG_FOLDER:
            unregisterReceiver(mReceiver);
            setLaunchMode(MMS_LAUNCH_MODE_PATH, "folder");
            Intent it = new Intent(this, MessageFolderActivity.class);
            startActivity(it);
            this.finish();
            break;
        default:
            return true;
        }
        return false;
    }

    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
        if (position == 0) {
            createNewMessage();
        } else {
            // Note: don't read the thread id data from the ConversationListItem view passed in.
            // It's unreliable to read the cached data stored in the view because the ListItem
            // can be recycled, and the same view could be assigned to a different position
            // if you click the list item fast enough. Instead, get the cursor at the position
            // clicked and load the data from the cursor.
            // (ConversationListAdapter extends CursorAdapter, so getItemAtPosition() should
            // return the cursor object, which is moved to the position passed in)
            Cursor cursor = (Cursor) getListView().getItemAtPosition(position);
            Conversation conv = Conversation.from(this, cursor);
            long tid = conv.getThreadId();

            if (LogTag.VERBOSE) {
                Log.d(TAG, "onListItemClick: pos=" + position + ", view=" + v + ", tid=" + tid);
            }

            openThread(tid);
        }
    }

    private void createNewMessage() {
        startActivity(createIntent(this, 0));
    }

    private void openThread(long threadId) {
        startActivity(createIntent(this, threadId));
    }

    private Intent createIntent(Context context, long threadId) {
        Intent intent = new Intent(context, ComposeMessageActivity.class);

        if (threadId > 0) {
            intent.putExtra("thread_id", threadId);
        } else {
            intent.putExtra("create", true);
        }

        return intent;
    }

    public static Intent createAddContactIntent(String address) {
        // address must be a single recipient
        Intent intent = new Intent(Intent.ACTION_INSERT_OR_EDIT);
        intent.setType(Contacts.CONTENT_ITEM_TYPE);
        if (Mms.isEmailAddress(address)) {
            intent.putExtra(ContactsContract.Intents.Insert.EMAIL, address);
        } else {
            intent.putExtra(ContactsContract.Intents.Insert.PHONE, address);
            intent.putExtra(ContactsContract.Intents.Insert.PHONE_TYPE,
                    ContactsContract.CommonDataKinds.Phone.TYPE_MOBILE);
        }
        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);

        return intent;
    }

    private final OnCreateContextMenuListener mConvListOnCreateContextMenuListener = new OnCreateContextMenuListener() {
        public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
            Cursor cursor = mListAdapter.getCursor();
            if (cursor == null || cursor.getPosition() < 0) {
                return;
            }
            Conversation conv = Conversation.from(ConversationList.this, cursor);
            ContactList recipients = conv.getRecipients();
            menu.setHeaderTitle(recipients.formatNames(","));

            AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
            if (info.position > 0) {
                menu.add(0, MENU_VIEW, 0, R.string.menu_view);

                // Only show if there's a single recipient
                if (recipients.size() == 1) {
                    // do we have this recipient in contacts?
                    if (recipients.get(0).existsInDatabase()) {
                        menu.add(0, MENU_VIEW_CONTACT, 0, R.string.menu_view_contact);
                    } else {
                        menu.add(0, MENU_ADD_TO_CONTACTS, 0, R.string.menu_add_to_contacts);
                    }
                }
                menu.add(0, MENU_DELETE, 0, R.string.menu_delete);
            }
        }
    };

    @Override
    public boolean onContextItemSelected(MenuItem item) {
        Cursor cursor = mListAdapter.getCursor();
        if (cursor != null && cursor.getPosition() >= 0) {
            Conversation conv = Conversation.from(ConversationList.this, cursor);
            long threadId = conv.getThreadId();
            switch (item.getItemId()) {
            case MENU_DELETE: {
                confirmDeleteThread(threadId, mQueryHandler);
                break;
            }
            case MENU_VIEW: {
                openThread(threadId);
                break;
            }
            case MENU_VIEW_CONTACT: {
                Contact contact = conv.getRecipients().get(0);
                Intent intent = new Intent(Intent.ACTION_VIEW, contact.getUri());
                intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
                startActivity(intent);
                break;
            }
            case MENU_ADD_TO_CONTACTS: {
                String address = conv.getRecipients().get(0).getNumber();
                startActivity(createAddContactIntent(address));
                break;
            }
            default:
                break;
            }
        }
        return super.onContextItemSelected(item);
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        // We override this method to avoid restarting the entire
        // activity when the keyboard is opened (declared in
        // AndroidManifest.xml).  Because the only translatable text
        // in this activity is "New Message", which has the full width
        // of phone to work with, localization shouldn't be a problem:
        // no abbreviated alternate words should be needed even in
        // 'wide' languages like German or Russian.

        super.onConfigurationChanged(newConfig);
        if (DEBUG)
            Log.v(TAG, "onConfigurationChanged: " + newConfig);
    }

    /**
     * Start the process of putting up a dialog to confirm deleting a thread,
     * but first start a background query to see if any of the threads or thread
     * contain locked messages so we'll know how detailed of a UI to display.
     * @param threadId id of the thread to delete or -1 for all threads
     * @param handler query handler to do the background locked query
     */
    public static void confirmDeleteThread(long threadId, AsyncQueryHandler handler) {
        Conversation.startQueryHaveLockedMessages(handler, threadId, HAVE_LOCKED_MESSAGES_TOKEN);
    }

    /**
     * Build and show the proper delete thread dialog. The UI is slightly different
     * depending on whether there are locked messages in the thread(s) and whether we're
     * deleting a single thread or all threads.
     * @param listener gets called when the delete button is pressed
     * @param deleteAll whether to show a single thread or all threads UI
     * @param hasLockedMessages whether the thread(s) contain locked messages
     * @param context used to load the various UI elements
     */
    public static void confirmDeleteThreadDialog(final DeleteThreadListener listener, boolean deleteAll,
            boolean hasLockedMessages, Context context) {
        View contents = View.inflate(context, R.layout.delete_thread_dialog_view, null);
        TextView msg = (TextView) contents.findViewById(R.id.message);
        msg.setText(deleteAll ? R.string.confirm_delete_all_conversations : R.string.confirm_delete_conversation);
        final CheckBox checkbox = (CheckBox) contents.findViewById(R.id.delete_locked);
        if (!hasLockedMessages) {
            checkbox.setVisibility(View.GONE);
        } else {
            listener.setDeleteLockedMessage(checkbox.isChecked());
            checkbox.setOnClickListener(new View.OnClickListener() {
                public void onClick(View v) {
                    listener.setDeleteLockedMessage(checkbox.isChecked());
                }
            });
        }

        AlertDialog.Builder builder = new AlertDialog.Builder(context);
        builder.setTitle(R.string.confirm_dialog_title).setIcon(android.R.drawable.ic_dialog_alert)
                .setCancelable(true).setPositiveButton(R.string.delete, listener)
                .setNegativeButton(R.string.no, null).setView(contents).show();
    }

    private final OnKeyListener mThreadListKeyListener = new OnKeyListener() {
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            if (event.getAction() == KeyEvent.ACTION_DOWN) {
                switch (keyCode) {
                case KeyEvent.KEYCODE_DEL: {
                    long id = getListView().getSelectedItemId();
                    if (id > 0) {
                        confirmDeleteThread(id, mQueryHandler);
                    }
                    return true;
                }
                }
            }
            return false;
        }
    };

    public static class DeleteThreadListener implements OnClickListener {
        private final long mThreadId;
        private final AsyncQueryHandler mHandler;
        private final Context mContext;
        private boolean mDeleteLockedMessages;

        private ProgressDialog mDelMessProDialog;

        public DeleteThreadListener(long threadId, AsyncQueryHandler handler, Context context) {
            mThreadId = threadId;
            mHandler = handler;
            mContext = context;
        }

        public void setDeleteLockedMessage(boolean deleteLockedMessages) {
            mDeleteLockedMessages = deleteLockedMessages;
        }

        public void onClick(DialogInterface dialog, final int whichButton) {
            MessageUtils.handleReadReport(mContext, mThreadId, PduHeaders.READ_STATUS__DELETED_WITHOUT_BEING_READ,
                    new Runnable() {
                        public void run() {
                            int token = DELETE_CONVERSATION_TOKEN;
                            if (mThreadId == -1) {
                                Conversation.startDeleteAll(mHandler, token, mDeleteLockedMessages);
                                DraftCache.getInstance().refresh();
                            } else {
                                if (mDelMessProDialog == null) {
                                    mDelMessProDialog = new ProgressDialog(mContext);
                                    mDelMessProDialog.setTitle(mContext.getString(R.string.delete_message));
                                    mDelMessProDialog.setMessage(mContext.getText(R.string.wait_message));
                                    mDelMessProDialog.setCancelable(false);
                                    mDelMessProDialog.show();
                                }
                                notDeleting = false;
                                new DeleteThreadsTask().execute((Void) null);
                            }
                        }
                    });
            dialog.dismiss();
        }

        private class DeleteThreadsTask extends AsyncTask<Void, Void, Void> {
            @Override
            protected Void doInBackground(Void... params) {
                //                Conversation.startDelete(mContext, mDeleteLockedMessages, mThreadId);
                //Pass the token <DELETE_CONVERSATION_TOKEN> to the handler which will be
                //passed to onDeleteComplete.
                Conversation.startDelete(mHandler, DELETE_CONVERSATION_TOKEN, mDeleteLockedMessages, mThreadId);
                return null;
            }

            @Override
            protected void onPostExecute(Void result) {
                super.onPostExecute(result);

                DraftCache.getInstance().setDraftState(mThreadId, false);
                mDelMessProDialog.dismiss();
                notDeleting = true;
            }
        }
    }

    private final class ThreadListQueryHandler extends AsyncQueryHandler {
        public ThreadListQueryHandler(ContentResolver contentResolver) {
            super(contentResolver);
        }

        @Override
        protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
            switch (token) {
            case THREAD_LIST_QUERY_TOKEN:
                mListAdapter.changeCursor(cursor);
                setTitle(mTitle);
                setProgressBarIndeterminateVisibility(false);
                synchronized (Conversation.cacheThreadLock) {
                    Conversation.cacheThreadLock.notify();
                }

                if (mNeedToMarkAsSeen) {
                    mNeedToMarkAsSeen = false;
                    Conversation.markAllConversationsAsSeen(getApplicationContext());

                    // Delete any obsolete threads. Obsolete threads are threads that aren't
                    // referenced by at least one message in the pdu or sms tables.
                    synchronized (Conversation.ensureThreadIdLock) {
                        Conversation.asyncDeleteObsoleteThreads(mQueryHandler, DELETE_OBSOLETE_THREADS_TOKEN);
                    }
                }

                break;

            case HAVE_LOCKED_MESSAGES_TOKEN:
                long threadId = (Long) cookie;
                confirmDeleteThreadDialog(new DeleteThreadListener(threadId, mQueryHandler, ConversationList.this),
                        threadId == -1, cursor != null && cursor.getCount() > 0, ConversationList.this);
                if (cursor != null) {
                    cursor.close();
                }
                break;

            default:
                Log.e(TAG, "onQueryComplete called with unknown token " + token);
            }
        }

        @Override
        protected void onDeleteComplete(int token, Object cookie, int result) {
            switch (token) {
            case DELETE_CONVERSATION_TOKEN:
                // Make sure the conversation cache reflects the threads in the DB.
                Conversation.init(ConversationList.this, false);

                // Update the notification for new messages since they
                // may be deleted.
                MessagingNotification.nonBlockingUpdateNewMessageIndicator(ConversationList.this, false, false);
                // Update the notification for failed messages since they
                // may be deleted.
                MessagingNotification.updateSendFailedNotification(ConversationList.this);

                // Make sure the list reflects the delete
                startAsyncQuery();
                break;

            case DELETE_OBSOLETE_THREADS_TOKEN:
                // Nothing to do here.
                break;
            }
        }
    }

    private void log(String format, Object... args) {
        String s = String.format(format, args);
        Log.d(TAG, "[" + Thread.currentThread().getId() + "] " + s);
    }

    @Override
    protected void onDestroy() {
        // TODO Auto-generated method stub
        super.onDestroy();
        //      Contact.removeAllListener();
        //      ActivityManager am = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE);
        //      am.killBackgroundProcesses(getPackageName());
        String launchMode = getLaunchMode(MMS_LAUNCH_MODE_PATH);
        if (!"folder".equals(launchMode)) {
            unregisterReceiver(mReceiver);
            Conversation.dismissInitConcatCacheDialog();
        }

        //clear mListeners,because of it cause of OutOfMemoryException.
        Contact.removeAllListener();
    }

    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            if (action.equals(TelephonyIntents.ACTION_IS_SIM_SMS_READY)) {
                mSmsReady[0] = intent.getBooleanExtra("isReady", false);
                Log.d(TAG, "[sms]onReceive ACTION_IS_SIM_SMS_READY mSmsReady[0]=" + mSmsReady[0]);
            } else if (action.equals(TelephonyIntents.ACTION_IS_SIM_SMS_READY1)) {
                mSmsReady[1] = intent.getBooleanExtra("isReady", false);
                Log.d(TAG, "[sms]onReceive ACTION_IS_SIM_SMS_READY mSmsReady[1]=" + mSmsReady[1]);
            }
        }
    };

    private String getLaunchMode(String filename) {
        String launchMode = "";
        try {
            File mFile = new File(filename);
            if (mFile.exists()) {
                FileInputStream is = new FileInputStream(filename);
                int length = is.available();
                byte buffer[] = new byte[length];
                is.read(buffer);
                launchMode = EncodingUtils.getString(buffer, "UTF-8");
                is.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return launchMode;
    }

    private void setLaunchMode(String filename, String mode) {
        try {
            FileOutputStream is = new FileOutputStream(filename);
            byte buffer[] = mode.getBytes();
            is.write(buffer);
            is.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}