tt-rss-android/src/org/fox/ttrss/OfflineArticleFragment.java
2011-12-06 15:52:33 +03:00

271 lines
8.7 KiB
Java

package org.fox.ttrss;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.fox.ttrss.OnlineServices.RelativeArticle;
import android.app.Activity;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.provider.BaseColumns;
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.AdView;
public class OfflineArticleFragment extends Fragment implements OnClickListener {
@SuppressWarnings("unused")
private final String TAG = this.getClass().getSimpleName();
private SharedPreferences m_prefs;
private int m_articleId;
private int m_nextArticleId;
private int m_prevArticleId;
private GestureDetector m_gestureDetector;
private View.OnTouchListener m_gestureListener;
private Cursor m_cursor;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (savedInstanceState != null) {
m_articleId = savedInstanceState.getInt("articleId");
m_prevArticleId = savedInstanceState.getInt("prevArticleId");
m_nextArticleId = savedInstanceState.getInt("nextArticleId");
}
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?
OfflineActivity activity = (OfflineActivity)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);
}
m_cursor = ((OfflineActivity)getActivity()).getReadableDb().query("articles", null, BaseColumns._ID + "=?",
new String[] { String.valueOf(m_articleId) }, null, null, null);
m_cursor.moveToFirst();
if (m_cursor.isFirst()) {
TextView title = (TextView)view.findViewById(R.id.title);
if (title != null) {
String titleStr;
if (m_cursor.getString(m_cursor.getColumnIndex("title")).length() > 200)
titleStr = m_cursor.getString(m_cursor.getColumnIndex("title")).substring(0, 200) + "...";
else
titleStr = m_cursor.getString(m_cursor.getColumnIndex("title"));
title.setMovementMethod(LinkMovementMethod.getInstance());
title.setText(Html.fromHtml("<a href=\""+m_cursor.getString(m_cursor.getColumnIndex("link")).replace("\"", "\\\"")+"\">" + titleStr + "</a>"));
}
WebView web = (WebView)view.findViewById(R.id.content);
if (web != null) {
String content;
String cssOverride = "";
//WebSettings ws = web.getSettings();
//ws.setSupportZoom(true);
//ws.setBuiltInZoomControls(true);
if (m_prefs.getString("theme", "THEME_DARK").equals("THEME_DARK")) {
cssOverride = "body { background : black; color : #e0e0e0}\n";
web.setBackgroundColor(android.R.color.black);
} else {
cssOverride = "";
}
content =
"<html>" +
"<head>" +
"<meta content=\"text/html; charset=utf-8\" http-equiv=\"content-type\">" +
//"<meta name=\"viewport\" content=\"target-densitydpi=device-dpi\" />" +
"<style type=\"text/css\">" +
cssOverride +
"img { max-width : 98%; height : auto; }" +
"body { text-align : justify; }" +
"</style>" +
"</head>" +
"<body>" + m_cursor.getString(m_cursor.getColumnIndex("content")) + "</body></html>";
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_cursor.getInt(m_cursor.getColumnIndex("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) {
String tagsStr = m_cursor.getString(m_cursor.getColumnIndex("tags"));
tagv.setText(tagsStr);
}
AdView av = (AdView)view.findViewById(R.id.ad);
if (av != null) {
av.setVisibility(View.GONE);
}
ImageView next = (ImageView)view.findViewById(R.id.next_article);
if (next != null) {
if (m_nextArticleId != 0) {
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_prevArticleId != 0) {
prev.setOnClickListener(this);
} else {
prev.setImageResource(R.drawable.ic_prev_article_disabled);
}
}
}
return view;
}
@Override
public void onDestroy() {
super.onDestroy();
m_cursor.close();
}
@Override
public void onSaveInstanceState (Bundle out) {
super.onSaveInstanceState(out);
out.putInt("articleId", m_articleId);
out.putInt("prevArticleId", m_prevArticleId);
out.putInt("nextArticleId", m_nextArticleId);
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
OfflineActivity oa = (OfflineActivity)activity;
m_articleId = oa.getSelectedArticleId();
m_prevArticleId = oa.getRelativeArticleId(m_articleId, oa.getActiveFeedId(), RelativeArticle.BEFORE);
m_nextArticleId = oa.getRelativeArticleId(m_articleId, oa.getActiveFeedId(), RelativeArticle.AFTER);
}
@Override
public void onClick(View v) {
if (v.getId() == R.id.next_article) {
((OfflineActivity)getActivity()).openArticle(m_nextArticleId, 0);
} else if (v.getId() == R.id.prev_article) {
((OfflineActivity)getActivity()).openArticle(m_prevArticleId, 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 = 100;
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_MAX_OFF_PATH &&
Math.abs(velocityX)>=SWIPE_THRESHOLD_VELOCITY &&
Math.abs(dX)>=SWIPE_MIN_DISTANCE ) {
if (dX>0) {
//Log.d(TAG, "Right swipe");
if (m_prevArticleId != 0)
((OfflineActivity)getActivity()).openArticle(m_prevArticleId, 0);
} else {
//Log.d(TAG, "Left swipe");
if (m_nextArticleId != 0)
((OfflineActivity)getActivity()).openArticle(m_nextArticleId, 0);
}
return true;
/* } else if (Math.abs(dX)<SWIPE_MAX_OFF_PATH &&
Math.abs(velocityY)>=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;
}
};
}