contactlistactivity.java

Android平台上即时通讯聊天工具源代码。 支持手机聊天。

/*
 * Copyright (C) 2007-2008 Esmertec AG.
 * Copyright (C) 2007-2008 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 com.android.im.IImConnection;
import com.android.im.R;
import com.android.im.plugin.BrandingResourceIDs;
import com.android.im.service.ImServiceConstants;

import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentUris;
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.view.ContextMenu;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.view.ContextMenu.ContextMenuInfo;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.ExpandableListView.ExpandableListContextMenuInfo;

import java.util.Observable;
import java.util.Observer;

public class ContactListActivity extends Activity implements View.OnCreateContextMenuListener{

    private static final int MENU_START_CONVERSATION = Menu.FIRST;
    private static final int MENU_VIEW_PROFILE       = Menu.FIRST + 1;
    private static final int MENU_BLOCK_CONTACT      = Menu.FIRST + 2;
    private static final int MENU_DELETE_CONTACT     = Menu.FIRST + 3;
    private static final int MENU_END_CONVERSATION   = Menu.FIRST + 4;

    private static final String FILTER_STATE_KEY = "Filtering";

    ImApp mApp;

    long mProviderId;
    long mAccountId;
    IImConnection mConn;
    ContactListView mContactListView;
    ContactListFilterView mFilterView;
    SimpleAlertHandler mHandler;

    ContextMenuHandler mContextMenuHandler;

    boolean mIsFiltering;

    Im.ProviderSettings.QueryMap mSettingMap;
    boolean mDestroyed;

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

        getWindow().requestFeature(Window.FEATURE_LEFT_ICON);

        LayoutInflater inflate = getLayoutInflater();
        mContactListView = (ContactListView) inflate.inflate(
                R.layout.contact_list_view, null);

        setContentView(mContactListView);

        Intent intent = getIntent();
        mAccountId = intent.getLongExtra(ImServiceConstants.EXTRA_INTENT_ACCOUNT_ID, -1);
        if (mAccountId == -1) {
            finish();
            return;
        }
        mApp = ImApp.getApplication(this);

        ContentResolver cr = getContentResolver();
        Cursor c = cr.query(ContentUris.withAppendedId(Im.Account.CONTENT_URI, mAccountId),
                null, null, null, null);
        if (c == null) {
            finish();
            return;
        }
        if (!c.moveToFirst()) {
            c.close();
            finish();
            return;
        }

        mProviderId = c.getLong(c.getColumnIndexOrThrow(Im.Account.PROVIDER));
        mHandler = new MyHandler(this);
        String username = c.getString(c.getColumnIndexOrThrow(Im.Account.USERNAME));

        BrandingResources brandingRes = mApp.getBrandingResource(mProviderId);
        setTitle(brandingRes.getString(BrandingResourceIDs.STRING_BUDDY_LIST_TITLE, username));
        getWindow().setFeatureDrawable(Window.FEATURE_LEFT_ICON,
                brandingRes.getDrawable(BrandingResourceIDs.DRAWABLE_LOGO));

        mSettingMap = new Im.ProviderSettings.QueryMap(getContentResolver(), mProviderId, true, null);

        mApp.callWhenServiceConnected(mHandler, new Runnable(){
            public void run() {
                if (!mDestroyed) {
                    mApp.dismissNotifications(mProviderId);
                    mConn = mApp.getConnection(mProviderId);
                    mContactListView.setConnection(mConn);
                    mContactListView.setHideOfflineContacts(mSettingMap.getHideOfflineContacts());
                }
            }
        });

        mContextMenuHandler = new ContextMenuHandler();
        mContactListView.getListView().setOnCreateContextMenuListener(this);

        mSettingMap.addObserver(new Observer() {
            public void update(Observable observed, Object updateData) {
                if (!mDestroyed) {
                    mContactListView.setHideOfflineContacts(mSettingMap.getHideOfflineContacts());
                }
            }
        });
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.contact_list_menu, menu);

        BrandingResources brandingRes = mApp.getBrandingResource(mProviderId);
        menu.findItem(R.id.menu_invite_user).setTitle(
            brandingRes.getString(BrandingResourceIDs.STRING_MENU_ADD_CONTACT));

        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.menu_invite_user:
                Intent i = new Intent(ContactListActivity.this, AddContactActivity.class);
                i.putExtra(ImServiceConstants.EXTRA_INTENT_PROVIDER_ID, mProviderId);
                i.putExtra(ImServiceConstants.EXTRA_INTENT_LIST_NAME,
                        mContactListView.getSelectedContactList());
                startActivity(i);
                return true;

            case R.id.menu_blocked_contacts:
                Uri.Builder builder = Im.BlockedList.CONTENT_URI.buildUpon();
                ContentUris.appendId(builder, mProviderId);
                ContentUris.appendId(builder, mAccountId);
                startActivity(new Intent(Intent.ACTION_VIEW, builder.build()));
                return true;

            case R.id.menu_view_accounts:
                Intent intent = new Intent(this, ChooseAccountActivity.class);
                startActivity(intent);
                finish();
                return true;

            case R.id.menu_settings:
                intent = new Intent(this, SettingActivity.class);
                intent.putExtra(ImServiceConstants.EXTRA_INTENT_PROVIDER_ID, mProviderId);
                startActivity(intent);
                return true;

            case R.id.menu_sign_out:
                try {
                    mConn.logout();
                } catch (RemoteException e) {
                }
                return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putBoolean(FILTER_STATE_KEY, mIsFiltering);

    }

    @Override
    protected void onRestoreInstanceState(Bundle savedInstanceState) {
        boolean isFiltering = savedInstanceState.getBoolean(FILTER_STATE_KEY);
        if (isFiltering) {
            showFilterView();
        }
        super.onRestoreInstanceState(savedInstanceState);
    }

    @Override
    public boolean dispatchKeyEvent(KeyEvent event) {
        int keyCode = event.getKeyCode();

        boolean handled = false;
        if (mIsFiltering) {
            handled = mFilterView.dispatchKeyEvent(event);
            if (!handled && (KeyEvent.KEYCODE_BACK == keyCode)
                    && (KeyEvent.ACTION_DOWN == event.getAction())) {
                showContactListView();
                handled = true;
            }
        } else {