package org.fox.ttrss;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.fox.ttrss.ArticleOps.RelativeArticle;
import android.app.Activity;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.Fragment;
import android.text.Html;
import android.text.method.LinkMovementMethod;
import android.view.GestureDetector;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.webkit.WebView;
import android.widget.ImageView;
import android.widget.TextView;
import com.google.ads.AdRequest;
import com.google.ads.AdView;
public class ArticleFragment extends Fragment implements OnClickListener {
@SuppressWarnings("unused")
private final String TAG = this.getClass().getSimpleName();
private SharedPreferences m_prefs;
private Article m_article;
private ArticleOps m_articleOps;
private Article m_nextArticle;
private Article m_prevArticle;
private GestureDetector m_gestureDetector;
private View.OnTouchListener m_gestureListener;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (savedInstanceState != null) {
m_article = savedInstanceState.getParcelable("article");
}
View view = inflater.inflate(R.layout.article_fragment, container, false);
m_gestureDetector = new GestureDetector(new MyGestureDetector());
m_gestureListener = new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent aEvent) {
if (m_gestureDetector.onTouchEvent(aEvent))
return true;
else
return false;
}
};
// TODO change to interface?
MainActivity activity = (MainActivity)getActivity();
if (activity != null) {
int orientation = activity.getWindowManager().getDefaultDisplay().getOrientation();
if (!activity.isSmallScreen()) {
if (orientation % 2 == 0) {
view.findViewById(R.id.splitter_horizontal).setVisibility(View.GONE);
} else {
view.findViewById(R.id.splitter_vertical).setVisibility(View.GONE);
}
} else {
view.findViewById(R.id.splitter_vertical).setVisibility(View.GONE);
view.findViewById(R.id.splitter_horizontal).setVisibility(View.GONE);
}
} else {
view.findViewById(R.id.splitter_horizontal).setVisibility(View.GONE);
}
if (m_article != null) {
TextView title = (TextView)view.findViewById(R.id.title);
if (title != null) {
title.setMovementMethod(LinkMovementMethod.getInstance());
title.setText(Html.fromHtml("" + m_article.title + ""));
}
WebView web = (WebView)view.findViewById(R.id.content);
if (web != null) {
// this is ridiculous
// TODO white on black style for dark theme
String content;
try {
String cssOverride = "";
if (m_prefs.getString("theme", "THEME_DARK").equals("THEME_DARK")) {
web.setBackgroundColor(android.R.color.black);
cssOverride = "body { background : black; color : #f0f0f0}\n";
}
content =
"" +
"" +
"" +
"" +
"" +
"" + m_article.content + "";
} catch (Exception e) {
content = getString(R.string.could_not_decode_content);
e.printStackTrace();
}
web.loadDataWithBaseURL(null, content, "text/html", "utf-8", null);
if (activity.isSmallScreen())
web.setOnTouchListener(m_gestureListener);
}
TextView dv = (TextView)view.findViewById(R.id.date);
if (dv != null) {
Date d = new Date(m_article.updated * 1000L);
SimpleDateFormat df = new SimpleDateFormat("EEE, dd MMM yyyy, HH:mm");
dv.setText(df.format(d));
}
TextView tagv = (TextView)view.findViewById(R.id.tags);
if (tagv != null) {
if (m_article.tags != null) {
String tagsStr = "";
for (String tag : m_article.tags)
tagsStr += tag + ", ";
tagsStr = tagsStr.replaceAll(", $", "");
tagv.setText(tagsStr);
} else {
tagv.setVisibility(View.GONE);
}
}
AdView av = (AdView)view.findViewById(R.id.ad);
boolean enableAds = m_prefs.getBoolean("enable_ads", false);
if (av != null) {
if (enableAds) {
AdRequest request = new AdRequest();
request.addTestDevice(AdRequest.TEST_EMULATOR);
av.loadAd(request);
} else {
av.setVisibility(View.GONE);
}
}
ImageView next = (ImageView)view.findViewById(R.id.next_article);
if (next != null) {
if (m_nextArticle != null) {
next.setOnClickListener(this);
} else {
next.setImageResource(R.drawable.ic_next_article_disabled);
}
}
ImageView prev = (ImageView)view.findViewById(R.id.prev_article);
if (prev != null) {
if (m_prevArticle != null) {
prev.setOnClickListener(this);
} else {
prev.setImageResource(R.drawable.ic_prev_article_disabled);
}
}
}
return view;
}
@Override
public void onDestroy() {
super.onDestroy();
}
@Override
public void onSaveInstanceState (Bundle out) {
super.onSaveInstanceState(out);
out.putParcelable("article", m_article);
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
m_articleOps = (ArticleOps)activity;
m_article = m_articleOps.getSelectedArticle();
m_prevArticle = m_articleOps.getRelativeArticle(m_article, RelativeArticle.BEFORE);
m_nextArticle = m_articleOps.getRelativeArticle(m_article, RelativeArticle.AFTER);
}
@Override
public void onClick(View v) {
if (v.getId() == R.id.next_article) {
m_articleOps.openArticle(m_nextArticle, 0);
} else if (v.getId() == R.id.prev_article) {
m_articleOps.openArticle(m_prevArticle, R.anim.slide_right);
}
}
// http://blog.blackmoonit.com/2010/07/gesture-detection-swipe-detection_4292.html
class MyGestureDetector extends SimpleOnGestureListener {
private static final int SWIPE_MIN_DISTANCE = 150;
private static final int SWIPE_MAX_OFF_PATH = 100;
private static final int SWIPE_THRESHOLD_VELOCITY = 100;
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
float dX = e2.getX()-e1.getX();
float dY = e1.getY()-e2.getY();
if (Math.abs(dY)=SWIPE_THRESHOLD_VELOCITY &&
Math.abs(dX)>=SWIPE_MIN_DISTANCE ) {
if (dX>0) {
//Log.d(TAG, "Right swipe");
if (m_prevArticle != null)
m_articleOps.openArticle(m_prevArticle, R.anim.slide_right);
} else {
//Log.d(TAG, "Left swipe");
if (m_nextArticle != null)
m_articleOps.openArticle(m_nextArticle, 0);
}
return true;
/* } else if (Math.abs(dX)=SWIPE_THRESHOLD_VELOCITY &&
Math.abs(dY)>=SWIPE_MIN_DISTANCE ) {
if (dY>0) {
Log.d(TAG, "Up swipe");
} else {
Log.d(TAG, "Down swipe");
}
return true; */
}
return false;
}
};
}