chooseaccountactivity.java

Android平台上即时通讯聊天工具源代码。 支持手机聊天。

/*
 * 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.im.app;

import android.app.ListActivity;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Message;
import android.os.RemoteException;
import android.provider.Im;
import android.util.Log;
import android.util.AttributeSet;
import android.view.ContextMenu;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.LayoutInflater;
import android.view.ContextMenu.ContextMenuInfo;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.CursorAdapter;

import com.android.im.IImConnection;
import com.android.im.R;
import com.android.im.engine.ImConnection;
import com.android.im.plugin.BrandingResourceIDs;
import com.android.im.service.ImServiceConstants;

public class ChooseAccountActivity extends ListActivity implements
        View.OnCreateContextMenuListener {

    private static final int ID_SIGN_IN = Menu.FIRST + 1;
    private static final int ID_SIGN_OUT = Menu.FIRST + 2;
    private static final int ID_EDIT_ACCOUNT = Menu.FIRST + 3;
    private static final int ID_REMOVE_ACCOUNT = Menu.FIRST + 4;
    private static final int ID_SIGN_OUT_ALL = Menu.FIRST + 5;
    private static final int ID_ADD_ACCOUNT = Menu.FIRST + 6;
    private static final int ID_VIEW_CONTACT_LIST = Menu.FIRST + 7;
    private static final int ID_SETTINGS = Menu.FIRST + 8;

    ImApp mApp;

    MyHandler mHandler;
    private ProviderAdapter mAdapter;
    private Cursor mProviderCursor;

    private static final String[] PROVIDER_PROJECTION = {
        Im.Provider._ID,
        Im.Provider.NAME,
        Im.Provider.FULLNAME,
        Im.Provider.ACTIVE_ACCOUNT_ID,
        Im.Provider.ACTIVE_ACCOUNT_USERNAME,
        Im.Provider.ACTIVE_ACCOUNT_PW,
    };

    static final int PROVIDER_ID_COLUMN = 0;
    static final int PROVIDER_NAME_COLUMN = 1;
    static final int PROVIDER_FULLNAME_COLUMN = 2;
    static final int ACTIVE_ACCOUNT_ID_COLUMN = 3;
    static final int ACTIVE_ACCOUNT_USERNAME_COLUMN = 4;
    static final int ACTIVE_ACCOUNT_PW_COLUMN = 5;


    @Override
    protected void onCreate(Bundle icicle) {
        super.onCreate(icicle);

        setTitle(R.string.choose_account_title);

        mApp = ImApp.getApplication(this);

        mHandler = new MyHandler();
        mApp.registerForBroadcastEvent(ImApp.EVENT_SERVICE_CONNECTED, mHandler);
        mApp.registerForConnEvents(mHandler);

        mApp.startImServiceIfNeed();

        // (for open source) for now exclude GTalk on the landing page until we can load
        // it in an abstract way
        String selection = "providers.name != ?";
        String[] selectionArgs = new String[] { Im.ProviderNames.GTALK };
        mProviderCursor = managedQuery(Im.Provider.CONTENT_URI_WITH_ACCOUNT,
                PROVIDER_PROJECTION,
                selection,
                selectionArgs,
                Im.Provider.DEFAULT_SORT_ORDER);
        mAdapter = new ProviderAdapter(this, mProviderCursor);
        mApp.callWhenServiceConnected(mHandler, new Runnable() {
            public void run() {
                setListAdapter(mAdapter);
            }
        });
        registerForContextMenu(getListView());
    }

    private boolean allAccountsSignedOut() {
        if (!mProviderCursor.moveToFirst()) return true;

        do {
            long accountId = mProviderCursor.getLong(ACTIVE_ACCOUNT_ID_COLUMN);
            if (isSignedIn(accountId)) return false;
        } while (mProviderCursor.moveToNext()) ;

        return true;
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        super.onPrepareOptionsMenu(menu);
        menu.findItem(ID_SIGN_OUT_ALL).setVisible(!allAccountsSignedOut());
        return true;
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        menu.add(0, ID_SIGN_OUT_ALL, 0, R.string.menu_sign_out_all)
                .setIcon(android.R.drawable.ic_menu_close_clear_cancel);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case ID_SIGN_OUT_ALL:
                // Sign out MSN/AIM/YAHOO account
                if (mApp.serviceConnected()) {
                    for (IImConnection conn : mApp.getActiveConnections()) {
                        try {
                            conn.logout();
                        } catch (RemoteException e) {
                        }
                    }
                }
                return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
        AdapterView.AdapterContextMenuInfo info;
        try {
            info = (AdapterView.AdapterContextMenuInfo) menuInfo;
        } catch (ClassCastException e) {
            Log.e(ImApp.LOG_TAG, "bad menuInfo", e);
            return;
        }

        Cursor providerCursor = (Cursor) getListAdapter().getItem(info.position);
        menu.setHeaderTitle(providerCursor.getString(PROVIDER_FULLNAME_COLUMN));

        if (providerCursor.isNull(ACTIVE_ACCOUNT_ID_COLUMN)) {
            menu.add(0, ID_ADD_ACCOUNT, 0, R.string.menu_add_account);
            return;
        }
        long providerId = providerCursor.getLong(PROVIDER_ID_COLUMN);
        long accountId = providerCursor.getLong(ACTIVE_ACCOUNT_ID_COLUMN);
        boolean isLoggingIn = isSigningIn(accountId);
        boolean isLoggedIn = isSignedIn(accountId);

        if (!isLoggedIn) {
            menu.add(0, ID_SIGN_IN, 0, R.string.sign_in)
                .setIcon(R.drawable.ic_menu_login);
        } else {
            BrandingResources brandingRes = mApp.getBrandingResource(providerId);
            menu.add(0, ID_VIEW_CONTACT_LIST, 0,
                    brandingRes.getString(BrandingResourceIDs.STRING_MENU_CONTACT_LIST));
            menu.add(0, ID_SIGN_OUT, 0, R.string.menu_sign_out)
                .setIcon(android.R.drawable.ic_menu_close_clear_cancel);
        }

        if (!isLoggingIn && !isLoggedIn) {
            menu.add(0, ID_EDIT_ACCOUNT, 0, R.string.menu_edit_account)
                .setIcon(android.R.drawable.ic_menu_edit);
            menu.add(0, ID_REMOVE_ACCOUNT, 0, R.string.menu_remove_account)
                .setIcon(android.R.drawable.ic_menu_delete);
        }

        // always add a settings menu item
        menu.add(0, ID_SETTINGS, 0, R.string.menu_settings);
    }

    @Override
    public boolean onContextItemSelected(MenuItem item) {
        AdapterView.AdapterContextMenuInfo info;
        try {
            info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
        } catch (ClassCastException e) {
            Log.e(ImApp.LOG_TAG, "bad menuInfo", e);
            return false;
        }
        int position = info.position;
        long providerId = info.id;

        switch (item.getItemId()) {
        case ID_EDIT_ACCOUNT:
        {
            Cursor c = (Cursor)mAdapter.getItem(position);
            if (c != null) {
                Intent i = new Intent(ChooseAccountActivity.this, AccountActivity.class);
                i.setAction(Intent.ACTION_EDIT);
                i.setData(ContentUris.withAppendedId(Im.Account.CONTENT_URI,
                        c.getLong(ACTIVE_ACCOUNT_ID_COLUMN)));
                c.close();
                startActivity(i);
            }
            return true;