tt-rss-android/src/org/fox/ttrss/ArticleFragment.java

466 lines
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Java
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package org.fox.ttrss;
import java.net.MalformedURLException;
import java.net.URI;
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import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.fox.ttrss.types.Article;
import org.fox.ttrss.types.Attachment;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Typeface;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
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import android.preference.PreferenceManager;
import android.support.v4.app.Fragment;
import android.text.Html;
import android.util.Log;
import android.util.TypedValue;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.GestureDetector;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebSettings.LayoutAlgorithm;
import android.webkit.WebView;
import android.webkit.WebView.HitTestResult;
import android.widget.TextView;
import android.widget.AdapterView.AdapterContextMenuInfo;
public class ArticleFragment extends Fragment implements GestureDetector.OnDoubleTapListener {
private final String TAG = this.getClass().getSimpleName();
private SharedPreferences m_prefs;
private Article m_article;
private OnlineActivity m_activity;
private GestureDetector m_detector;
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public void initialize(Article article) {
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m_article = article;
}
private View.OnTouchListener m_gestureListener;
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
if (v.getId() == R.id.content) {
HitTestResult result = ((WebView)v).getHitTestResult();
if (result != null && (result.getType() == HitTestResult.IMAGE_TYPE || result.getType() == HitTestResult.SRC_IMAGE_ANCHOR_TYPE)) {
menu.setHeaderTitle(result.getExtra());
getActivity().getMenuInflater().inflate(R.menu.article_content_img_context_menu, menu);
/* FIXME I have no idea how to do this correctly ;( */
m_activity.setLastContentImageHitTestUrl(result.getExtra());
} else {
menu.setHeaderTitle(m_article.title);
getActivity().getMenuInflater().inflate(R.menu.article_link_context_menu, menu);
}
} else {
menu.setHeaderTitle(m_article.title);
getActivity().getMenuInflater().inflate(R.menu.article_link_context_menu, menu);
}
super.onCreateContextMenu(menu, v, menuInfo);
}
@SuppressLint("NewApi")
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
m_activity.setProgressBarVisibility(true);
if (savedInstanceState != null) {
m_article = savedInstanceState.getParcelable("article");
}
final View view = inflater.inflate(R.layout.article_fragment, container, false);
View content = view.findViewById(R.id.content);
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if (content != null) content.setVisibility(View.INVISIBLE);
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new Handler().postDelayed(new Runnable() {
@Override
public void run() {
if (isAdded()) {
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if (m_article != null) {
TextView title = (TextView)view.findViewById(R.id.title);
if (title != null) {
String titleStr;
if (m_article.title.length() > 200)
titleStr = m_article.title.substring(0, 200) + "...";
else
titleStr = m_article.title;
title.setText(Html.fromHtml(titleStr));
//title.setPaintFlags(title.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);
title.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
try {
URL url = new URL(m_article.link.trim());
String uri = new URI(url.getProtocol(), url.getUserInfo(), url.getHost(),
url.getPort(), url.getPath(), url.getQuery(), url.getRef()).toString();
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
startActivity(intent);
} catch (Exception e) {
e.printStackTrace();
m_activity.toast(R.string.error_other_error);
}
}
});
registerForContextMenu(title);
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}
TextView comments = (TextView)view.findViewById(R.id.comments);
if (comments != null) {
if (m_activity.getApiLevel() >= 4 && m_article.comments_count > 0) {
String commentsTitle = getString(R.string.article_comments, m_article.comments_count);
comments.setText(commentsTitle);
//comments.setPaintFlags(title.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);
comments.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
try {
URL url = new URL((m_article.comments_link != null && m_article.comments_link.length() > 0) ?
m_article.comments_link : m_article.link);
String uri = new URI(url.getProtocol(), url.getUserInfo(), url.getHost(),
url.getPort(), url.getPath(), url.getQuery(), url.getRef()).toString();
Intent intent = new Intent(Intent.ACTION_VIEW,
Uri.parse(uri));
startActivity(intent);
} catch (Exception e) {
e.printStackTrace();
m_activity.toast(R.string.error_other_error);
}
}
});
} else {
comments.setVisibility(View.GONE);
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}
}
WebView web = (WebView)view.findViewById(R.id.content);
if (web != null) {
registerForContextMenu(web);
web.setWebChromeClient(new WebChromeClient() {
@Override
public void onProgressChanged(WebView view, int progress) {
m_activity.setProgress(Math.round(((float)progress / 100f) * 10000));
if (progress == 100) {
m_activity.setProgressBarVisibility(false);
}
}
});
web.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
return m_detector.onTouchEvent(event);
}
});
String content;
String cssOverride = "";
WebSettings ws = web.getSettings();
ws.setSupportZoom(true);
ws.setBuiltInZoomControls(false);
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web.getSettings().setLayoutAlgorithm(LayoutAlgorithm.SINGLE_COLUMN);
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TypedValue tv = new TypedValue();
getActivity().getTheme().resolveAttribute(R.attr.linkColor, tv, true);
// prevent flicker in ics
if (android.os.Build.VERSION.SDK_INT >= 11) {
web.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
}
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if (m_prefs.getString("theme", "THEME_DARK").equals("THEME_DARK")) {
cssOverride = "body { background : transparent; color : #e0e0e0}";
} else if (m_prefs.getString("theme", "THEME_DARK").equals("THEME_DARK_GRAY")) {
cssOverride = "body { background : transparent; color : #e0e0e0}";
} else {
cssOverride = "body { background : transparent; }";
}
web.setBackgroundColor(getResources().getColor(android.R.color.transparent));
String hexColor = String.format("#%06X", (0xFFFFFF & tv.data));
cssOverride += " a:link {color: "+hexColor+";} a:visited { color: "+hexColor+";}";
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cssOverride += " table { width : 100%; }";
String articleContent = m_article.content != null ? m_article.content : "";
Document doc = Jsoup.parse(articleContent);
if (doc != null) {
// thanks webview for crashing on <video> tag
Elements videos = doc.select("video");
for (Element video : videos)
video.remove();
articleContent = doc.toString();
}
String align = m_prefs.getBoolean("justify_article_text", true) ? "text-align : justify;" : "";
switch (Integer.parseInt(m_prefs.getString("font_size", "0"))) {
case 0:
cssOverride += "body { "+align+" font-size : 14px; } ";
break;
case 1:
cssOverride += "body { "+align+" font-size : 18px; } ";
break;
case 2:
cssOverride += "body { "+align+" font-size : 21px; } ";
break;
}
content =
"<html>" +
"<head>" +
"<meta content=\"text/html; charset=utf-8\" http-equiv=\"content-type\">" +
"<style type=\"text/css\">" +
"body { padding : 0px; margin : 0px; }" +
cssOverride +
/* "img { max-width : 98%; height : auto; }" + */
"</style>" +
"</head>" +
"<body>" + articleContent;
if (m_article.attachments != null && m_article.attachments.size() != 0) {
String flatContent = articleContent.replaceAll("[\r\n]", "");
boolean hasImages = flatContent.matches(".*?<img[^>+].*?");
for (Attachment a : m_article.attachments) {
if (a.content_type != null && a.content_url != null) {
try {
if (a.content_type.indexOf("image") != -1 &&
(!hasImages || m_article.always_display_attachments)) {
URL url = new URL(a.content_url.trim());
String strUrl = url.toString().trim();
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content += "<p><img src=\"" + strUrl.replace("\"", "\\\"") + "\"></p>";
}
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} catch (MalformedURLException e) {
//
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
content += "<p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p></body></html>";
try {
web.loadDataWithBaseURL(null, content, "text/html", "utf-8", null);
} catch (RuntimeException e) {
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e.printStackTrace();
}
if (m_activity.isSmallScreen())
web.setOnTouchListener(m_gestureListener);
web.setVisibility(View.VISIBLE);
}
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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.feed_title != null) {
tagv.setText(m_article.feed_title);
} else 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);
}
}
TextView author = (TextView)view.findViewById(R.id.author);
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if (author != null) {
if (m_article.author != null && m_article.author.length() > 0) {
author.setText(m_article.author);
} else {
author.setVisibility(View.GONE);
}
}
}
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}
}
}, 50);
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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_activity = (OnlineActivity)activity;
//m_article = m_onlineServices.getSelectedArticle();
m_detector = new GestureDetector(m_activity, new GestureDetector.OnGestureListener() {
@Override
public boolean onSingleTapUp(MotionEvent e) {
// TODO Auto-generated method stub
return false;
}
@Override
public void onShowPress(MotionEvent e) {
// TODO Auto-generated method stub
}
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,
float distanceY) {
// TODO Auto-generated method stub
return false;
}
@Override
public void onLongPress(MotionEvent e) {
m_activity.openContextMenu(getView());
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
float velocityY) {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean onDown(MotionEvent e) {
// TODO Auto-generated method stub
return false;
}
});
m_detector.setOnDoubleTapListener(this);
}
@Override
public boolean onDoubleTap(MotionEvent arg0) {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean onDoubleTapEvent(MotionEvent arg0) {
// TODO Auto-generated method stub
return false;
}
private void onLeftSideTapped() {
ArticlePager ap = (ArticlePager) m_activity.getSupportFragmentManager().findFragmentByTag(CommonActivity.FRAG_ARTICLE);
if (ap != null && ap.isAdded()) {
ap.selectArticle(false);
}
}
private void onRightSideTapped() {
ArticlePager ap = (ArticlePager) m_activity.getSupportFragmentManager().findFragmentByTag(CommonActivity.FRAG_ARTICLE);
if (ap != null && ap.isAdded()) {
ap.selectArticle(true);
}
}
@Override
public boolean onSingleTapConfirmed(MotionEvent e) {
int width = getView().getWidth();
int x = Math.round(e.getX());
if (x <= width/15) {
onLeftSideTapped();
return true;
} else if (x >= width-(width/15)) {
onRightSideTapped();
return true;
} /* else if (!m_activity.isCompatMode()) {
ActionBar bar = m_activity.getSupportActionBar();
if (bar.isShowing()) {
bar.hide();
} else {
bar.show();
}
} */
return false;
}
}