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; 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 + ""; 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; } }; }