package com.mboarder.app;
/*
*
* 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.
*/
import java.net.URL;
import java.util.ArrayList;
import com.mboarder.app.R;
import com.mboarder.app.adapter.BoardListAdapter;
import com.mboarder.app.adapter.TopicListAdapter;
import com.mboarder.bean.Board;
import com.mboarder.bean.Topic;
import com.mboarder.bean.TopicPage;
import com.mboarder.bean.TopicPost;
import com.mboarder.data.FetchWebpage;
import com.mboarder.gesture.SimpleGestureFilter;
import com.mboarder.gesture.SimpleGestureFilter.SimpleGestureListener;
import com.mboarder.util.Translate;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ListActivity;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.SystemClock;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.LayoutAnimationController;
import android.view.animation.TranslateAnimation;
import android.widget.AdapterView;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ProgressBar;
/**
*
*
* @Author Luyi Wang (storageincharge@gmail.com)
* @author feinan (nan.26505@gmail.com)
*
* Used to load mitbbs page.
*
*/
public class PageLoader extends ListActivity implements SimpleGestureListener {
private static final String TAG = "PageLoader";
private TopicPage currentPage;
private String pageUrl;
private static FetchWebpage fw;
protected static final int STATE_GOT_CURSOR = 0;
protected static final int STATE_ERROR = 1;
private static final int MENU_REFRESH = 0;
private static final int MENU_CLOSE = 1;
private static final int MENU_NEXT = 2;
private static final int MENU_PREVIOUS = 3;
private static final int MENU_ABOUT = 4;
private TopicListAdapter topicListAdatper;
private Context mContext;
private ListView own;
private SimpleGestureFilter detector;
private ImageButton leftarrow;
private ImageButton rightarrow;
private ImageButton refresharrow;
private ProgressBar pageProgressbar;
public Handler mHandler = new Handler() {
public void handleMessage(Message msg) {
switch (msg.what) {
case STATE_ERROR:
Log.w(TAG, "handleMessage Error");
popDialog().show();
break;
case STATE_GOT_CURSOR:
try {
setListAdapter(topicListAdatper);
setProgressBarVisibility(false);
setProgressBarIndeterminateVisibility(false);
ListView lv = getListView();
lv.setLayoutAnimation( getLayoutAnimationController() );
lv.setTextFilterEnabled(true);
} catch (Exception e) {
Log.w(TAG, "handleMessage Exception");
}
break;
}
}
};
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
detector = new SimpleGestureFilter(this,this);
mContext = this;
own = getListView();
// Request for the progress bar to be shown in the title
initialPage();
initialBanner();
}//onCreate
private void initialPage() {
setContentView(R.layout.topiclist);
setProgressBarVisibility(true);
setProgressBarIndeterminateVisibility(true);
Bundle current= getIntent().getExtras();
if(current!=null)
{
pageUrl= current.getString("url");
currentPage =(TopicPage) current.getSerializable("page");
setTitle("mitbbs - "+current.getString("title"));
}
if(pageUrl==null)
{
pageUrl ="http://www.mitbbs.com/mobile/marticle.php?board=Soccer&id=31911917&ftype=0&p=tp";
}
(new Thread() {
public void run() {
try{
fw = new FetchWebpage(pageUrl);
Log.i(TAG,pageUrl);
if(currentPage==null)
{
currentPage = new TopicPage(pageUrl);
refreshPage();
}
else
{
if(currentPage.getPosts()!=null)
{
topicListAdatper= new TopicListAdapter(mContext, currentPage.getPosts());
}else
{
refreshPage();
}
}
Message.obtain(mHandler, STATE_GOT_CURSOR, null).sendToTarget();
}catch(Exception ex)
{
Log.i(TAG,ex.toString());
Message.obtain(mHandler, STATE_ERROR, null).sendToTarget();
}
}
}).start();
}//initialPage
public void initialBanner()
{
leftarrow = (ImageButton) findViewById(R.id.topicleft_button);
rightarrow = (ImageButton) findViewById(R.id.topicright_button);
refresharrow = (ImageButton) findViewById(R.id.topicrefresh_button);
leftarrow.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
try {
currentPage = currentPage.getPrevious();
refreshPage();
} catch (Exception e) {
Log.i(TAG,e.toString());
e.printStackTrace();
}
}
});
rightarrow.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
try {
currentPage = currentPage.getNext();
refreshPage();
} catch (Exception e) {
Log.i(TAG,e.toString());
e.printStackTrace();
}
}
});
refresharrow.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
try {
refreshPage();
} catch (Exception e) {
Log.i(TAG,e.toString());
e.printStackTrace();
}
}
});
}
@Override
protected void onResume() {
super.onResume();
try {
refreshPage();
} catch (Exception e) {
Log.i(TAG,e.toString());
e.printStackTrace();
}
}
public Dialog popDialog()
{
Dialog errorDialog = new AlertDialog.Builder(PageLoader.this)
.setIcon(R.drawable.ic_menu_info_details)
.setTitle("Error!")
.setMessage("Gosh, there is a problem with network!")
.setPositiveButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
/* User clicked OK so do some stuff */
}
})
.create();
Log.i(TAG,"errorDialog created");
return errorDialog;
}
private void refreshPage() throws Exception {
setProgressBarVisibility(true);
setProgressBarIndeterminateVisibility(true);
(new Thread() {
public void run() {
try{
Log.i(TAG,"start page refreshing ");
currentPage.setPosts((fw.parsePage(currentPage.getAddress())));
ArrayList<URL> pageLinks= fw.getPageLinks(currentPage.getAddress());
URL next = pageLinks.get(pageLinks.size()-1);
URL previous = pageLinks.get(pageLinks.size()-2);
currentPage.setNext(new TopicPage(next));
currentPage.setPrevious(new TopicPage(previous));
topicListAdatper = new TopicListAdapter(mContext,currentPage.getPosts());
Log.i(TAG,"Refreshing stop");
Message.obtain(mHandler, STATE_GOT_CURSOR, null).sendToTarget();
}catch(Exception ex)
{
Log.i(TAG,ex.toString());
Message.obtain(mHandler, STATE_ERROR, null).sendToTarget();
}
}
}).start();
}
private LayoutAnimationController getLayoutAnimationController()
{
// Start Animation
AnimationSet set = new AnimationSet(true);
Animation animation = new AlphaAnimation(0.0f, 1.0f);
animation.setDuration(50);
set.addAnimation(animation);
animation = new TranslateAnimation(Animation.RELATIVE_TO_SELF, 0.0f,
Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF,
-1.0f, Animation.RELATIVE_TO_SELF, 0.0f);
animation.setDuration(100);
set.addAnimation(animation);
LayoutAnimationController controller = new LayoutAnimationController(
set, 0.5f);
// End Animation
return controller;
}
/* Creates the menu items */
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(0, MENU_REFRESH, 0, "\u5237\u65B0").setIcon(R.drawable.ic_menu_refresh);
menu.add(0, MENU_ABOUT, 0, "\u5173\u4E8E").setIcon(R.drawable.ic_menu_info_details);
menu.add(0, MENU_PREVIOUS, 0, "\u4E0A\u9875").setIcon(R.drawable.ic_menu_back);
menu.add(0, MENU_CLOSE, 0, "\u8FD4\u56DE").setIcon(R.drawable.ic_menu_close_clear_cancel);
menu.add(0, MENU_NEXT, 0, "\u4E0B\u9875").setIcon(R.drawable.ic_menu_forward);
return true;
}
/* Handles item selections */
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_REFRESH:
MenuRefresh();
return true;
case MENU_CLOSE:
Quit();
return true;
case MENU_NEXT:
MenuNext();
return true;
case MENU_PREVIOUS:
MenuPrevious();
return true;
case MENU_ABOUT:
MenuAbout();
return true;
}
return false;
}
public void Quit() {
//finishFromChild(this);
finish();
}
public void MenuRefresh() {
try {
refreshPage();
} catch (Exception e) {
Log.i(TAG,e.toString());
e.printStackTrace();
}
}
public void MenuNext() {
try {
currentPage = currentPage.getNext();
refreshPage();
} catch (Exception e) {
Log.i(TAG, e.toString());
e.printStackTrace();
}
}
public void MenuPrevious() {
try {
currentPage = currentPage.getPrevious();
refreshPage();
} catch (Exception e) {
Log.i(TAG,e.toString());
e.printStackTrace();
}
}
public void MenuAbout() {
AlertDialog alertDialog = new AlertDialog.Builder(this).create();
alertDialog.setTitle(Translate.ABOUT_APP_TITLE);
alertDialog.setMessage(Translate.ABOUT_APP);
alertDialog.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
return;
} });
alertDialog.show();
}
@Override
public boolean dispatchTouchEvent(MotionEvent me){
this.detector.onTouchEvent(me);
return super.dispatchTouchEvent(me);
}
@Override
public void onSwipe(int direction) {
String str = "";
switch (direction) {
case SimpleGestureFilter.SWIPE_RIGHT : str = "loading previous page ..."; MenuPrevious();
break;
case SimpleGestureFilter.SWIPE_LEFT : str = "loading next page ..."; MenuNext();
break;
/*case SimpleGestureFilter.SWIPE_DOWN : str = "Swipe Down";
break;
case SimpleGestureFilter.SWIPE_UP : str = "Swipe Up";
break;*/
}
if(str!=null && str.length()>0)
{
Toast.makeText(this, str, Toast.LENGTH_SHORT).show();
}
Log.w(TAG, str);
}
@Override
public void onDoubleTap() {
Toast.makeText(this, "\u53CC\u51FB\u4EC0\u4E48\u4E5F\u6CA1\u6709 ^_^", Toast.LENGTH_SHORT).show();
}
}