package com.teleca.jamendo.activity;
import java.util.ArrayList;
import org.json.JSONException;
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.Gallery;
import android.widget.ListView;
import android.widget.Toast;
import android.widget.ViewFlipper;
import android.widget.AdapterView.OnItemClickListener;
import com.lilin.util.SDCardHelp;
import com.teleca.jamendo.MyApplication;
import com.teleca.jamendo.R;
import com.teleca.jamendo.activity.album.StarredAlbumsView;
import com.teleca.jamendo.activity.download.DownloadView;
import com.teleca.jamendo.activity.playlist.PlaylistView;
import com.teleca.jamendo.activity.playlist.PlaylistView.Mode;
import com.teleca.jamendo.activity.playview.PlayMethod;
import com.teleca.jamendo.activity.playview.PlayView;
import com.teleca.jamendo.activity.search.SearchView;
import com.teleca.jamendo.activity.setting.SetView;
import com.teleca.jamendo.adapter.ImgAdp;
import com.teleca.jamendo.adapter.ItemListViewAdp;
import com.teleca.jamendo.adapter.SplitListViewAdp;
import com.teleca.jamendo.api.IClickAlbumListener;
import com.teleca.jamendo.api.IListViewItemClickListener;
import com.teleca.jamendo.api.IServerApi;
import com.teleca.jamendo.api_impl.ServerApiImpl;
import com.teleca.jamendo.model.Album;
import com.teleca.jamendo.model.ErrorMsg;
import com.teleca.jamendo.model.MainItem;
import com.teleca.jamendo.ui.dialog.AboutDialog;
import com.teleca.jamendo.ui.loadDialog.HotSongLoadDialog;
import com.teleca.jamendo.widget.FailureBar;
import com.teleca.jamendo.widget.ProgressBar;
/**
* 主界面
*
* @author lilin
* @date 2011-12-12 下午11:13:20
* @ClassName: MainView
*/
public class MainView extends Activity implements IClickAlbumListener {// 继承点击相册的接口
// 控制界面的轮流显示
private ViewFlipper viewFlipper;
// 相册
private Gallery gallery;
private ProgressBar progressBar;
private FailureBar failureBar;
// 主界面的ListView：分为2部分
private ListView mainListView;
private ItemListViewAdp item1Adp;
private ItemListViewAdp item2Adp;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.mainview);
// 实例化控件
initUI();
// 初始化Gallery相册
new AsyncLoadImg().execute((Void) null);
// 相册的点击事件
gallery.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> adapterView, View view,
int position, long id) {
Album album = (Album) adapterView.getItemAtPosition(position);
// 跳转到播放界面
PlayView.launch(MainView.this, album);
}
});
}
private void initUI() {
mainListView = (ListView) findViewById(R.id.HomeListView);
gallery = (Gallery) findViewById(R.id.Gallery);
progressBar = (ProgressBar) findViewById(R.id.ProgressBar);
failureBar = (FailureBar) findViewById(R.id.FailureBar);
viewFlipper = (ViewFlipper) findViewById(R.id.ViewFlipper);
}
@Override
// 实现点击相册接口里的方法
public void onAlbumClicked(Album album) {
PlayView.launch(this, album);
}
// 用可点击的项填充主界面上的ListView
private void fillMainListView() {
item1Adp = new ItemListViewAdp(this);
item2Adp = new ItemListViewAdp(this);
ArrayList<MainItem> item1List = new ArrayList<MainItem>();
ArrayList<MainItem> item2List = new ArrayList<MainItem>();
// 热门歌曲项
item1List.add(new MainItem(R.drawable.list_top, "热门歌曲",
new IListViewItemClickListener() {
public void itemClick() {
// 异步加载热门歌曲
new HotSongLoadDialog(MainView.this, "正在努力加载热门歌曲...",
"加载失败!").execute();
}
}));
// 歌曲列表项
item1List.add(new MainItem(R.drawable.list_playlist, "歌曲列表",
new IListViewItemClickListener() {
public void itemClick() {
PlaylistView.launch(MainView.this, Mode.Normal);
}
}));
// 搜索项
item2List.add(new MainItem(R.drawable.list_search, "搜索",
new IListViewItemClickListener() {
public void itemClick() {
SearchView.launch(MainView.this);
}
}));
// 获得配置参数：用户名
final String userName = PreferenceManager.getDefaultSharedPreferences(
this).getString("user_name", null);
// 如果用户名不空，添加相册项
if (userName != null && userName.length() > 0) {
item2List.add(new MainItem(R.drawable.list_cd, "相册",
new IListViewItemClickListener() {
public void itemClick() {
StarredAlbumsView.launch(MainView.this, userName);
}
}));
}
// 如果内存卡存在，添加相册项
if (SDCardHelp.hasSDcard()) {
item2List.add(new MainItem(R.drawable.list_download, "下载",
new IListViewItemClickListener() {
public void itemClick() {
DownloadView.launch(MainView.this);
}
}));
}
// 电台项
// item1List.add(new MainItemModel(R.drawable.list_radio, "电台",
// new IListViewItemClickListener() {
// public void itemClick() {
// RadioView.launch(MainView.this);
// }
// }));
item1Adp.setList(item1List);
item2Adp.setList(item2List);
// MainListView的适配器
SplitListViewAdp splitAdp = new SplitListViewAdp(this);
splitAdp.addSection("我的歌曲", item1Adp);
splitAdp.addSection("常用工具", item2Adp);
mainListView.setAdapter(splitAdp);
mainListView.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> adapterView, View view,
int index, long time) {
IListViewItemClickListener listener = ((MainItem) adapterView
.getAdapter().getItem(index)).getListener();
if (listener != null) {
listener.itemClick();
}
}
});
}
// 异步加载图片到gallery
private class AsyncLoadImg extends AsyncTask<Void, ErrorMsg, Album[]> {
public void onPreExecute() {
viewFlipper.setDisplayedChild(0);
progressBar.setText("正在努力加载...");
super.onPreExecute();
}
public Album[] doInBackground(Void... params) {
IServerApi server = new ServerApiImpl();
Album[] albums = null;
try {
albums = server.getPopularAlbumsWeek();
} catch (JSONException e) {
e.printStackTrace();
} catch (ErrorMsg e) {
publishProgress(e);
}
return albums;
}
public void onPostExecute(Album[] albums) {
if (albums != null && albums.length > 0) {
viewFlipper.setDisplayedChild(1);
ImgAdp albumsAdapter = new ImgAdp(MainView.this);
albumsAdapter.setList(albums);
gallery.setAdapter(albumsAdapter);
// animate to center
gallery.setSelection(albums.length / 2, true);
} else {
viewFlipper.setDisplayedChild(2);
failureBar.setOnRetryListener(new OnClickListener() {
public void onClick(View v) {
new AsyncLoadImg().execute((Void) null);
}
});
failureBar.setText("服务器连接失败！");
}
super.onPostExecute(albums);
}
protected void onProgressUpdate(ErrorMsg... values) {
Toast.makeText(MainView.this, values[0].getMessage(), 5000).show();
super.onProgressUpdate(values);
}
}
// 菜单-----------------------------------------------------------
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.mainmenu, menu);
return super.onCreateOptionsMenu(menu);
}
public boolean onPrepareOptionsMenu(Menu menu) {
if (MyApplication.getInstance().getPlayerEngineInterface() == null
|| MyApplication.getInstance().getPlayerEngineInterface()
.getPlaylist() == null) {
menu.findItem(R.id.player_menu_item).setVisible(false);
} else {
menu.findItem(R.id.player_menu_item).setVisible(true);
}
return super.onPrepareOptionsMenu(menu);
}
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.player_menu_item:
// 播放界面
{
PlayView.launch(this, (PlayMethod) null);
}
break;
case R.id.about_menu_item:
// 关于
{
new AboutDialog(this).show();
}
break;
case R.id.settings_menu_item:
// 设置
{
SetView.launch(this);
}
break;
default:
}
return super.onOptionsItemSelected(item);
}
protected void onResume() {
fillMainListView();
super.onResume();
}
}