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

393 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;
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import java.text.DateFormat;
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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.Color;
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import android.net.Uri;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.Fragment;
import android.text.Html;
import android.util.TypedValue;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.KeyEvent;
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import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebView.HitTestResult;
import android.widget.TextView;
public class ArticleFragment extends Fragment {
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private final String TAG = this.getClass().getSimpleName();
private SharedPreferences m_prefs;
private Article m_article;
private OnlineActivity m_activity;
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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");
}
boolean useTitleWebView = m_prefs.getBoolean("article_compat_view", false);
View view = inflater.inflate(useTitleWebView ? R.layout.article_fragment_compat : R.layout.article_fragment, container, false);
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if (m_article != null) {
TextView title = (TextView)view.findViewById(R.id.title);
if (title != null) {
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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);
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}
}
});
registerForContextMenu(title);
}
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);
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}
}
});
} else {
comments.setVisibility(View.GONE);
}
}
TextView note = (TextView)view.findViewById(R.id.note);
if (note != null) {
if (m_article.note != null && !"".equals(m_article.note)) {
note.setText(m_article.note);
} else {
note.setVisibility(View.GONE);
}
}
final WebView web = (WebView)view.findViewById(R.id.content);
if (web != null) {
web.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
HitTestResult result = ((WebView)v).getHitTestResult();
if (result != null && (result.getType() == HitTestResult.IMAGE_TYPE || result.getType() == HitTestResult.SRC_IMAGE_ANCHOR_TYPE)) {
registerForContextMenu(web);
m_activity.openContextMenu(web);
unregisterForContextMenu(web);
return true;
} else {
if (m_activity.isCompatMode()) {
KeyEvent shiftPressEvent = new KeyEvent(0, 0, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_SHIFT_LEFT, 0, 0);
shiftPressEvent.dispatch(web);
}
return false;
}
}
});
// prevent flicker in ics
if (!m_prefs.getBoolean("webview_hardware_accel", true) || useTitleWebView) {
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
web.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
}
}
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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);
}
}
});
String content;
String cssOverride = "";
WebSettings ws = web.getSettings();
ws.setSupportZoom(false);
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TypedValue tv = new TypedValue();
getActivity().getTheme().resolveAttribute(R.attr.linkColor, tv, true);
String theme = m_prefs.getString("theme", "THEME_DARK");
if ("THEME_DARK".equals(theme) || "THEME_SYSTEM".equals(theme)) {
cssOverride = "body { background : transparent; color : #e0e0e0}";
} else if ("THEME_DARK_GRAY".equals(theme)) {
cssOverride = "body { background : transparent; color : #e0e0e0}";
} else {
cssOverride = "body { background : transparent; }";
}
if (useTitleWebView || android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.HONEYCOMB) {
web.setBackgroundColor(Color.TRANSPARENT);
} else {
// seriously?
web.setBackgroundColor(Color.argb(1, 0, 0, 0));
}
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();
}
if (m_prefs.getBoolean("justify_article_text", true)) {
cssOverride += "body { text-align : justify; } ";
}
ws.setDefaultFontSize(Integer.parseInt(m_prefs.getString("article_font_size_sp", "16")));
content =
"<html>" +
"<head>" +
"<meta content=\"text/html; charset=utf-8\" http-equiv=\"content-type\">" +
"<meta name=\"viewport\" content=\"width=device-width, user-scalable=no\" />" +
"<style type=\"text/css\">" +
"body { padding : 0px; margin : 0px; line-height : 120%; }" +
"img { max-width : 100%; width : auto; height : auto; }" +
cssOverride +
"</style>" +
"</head>" +
"<body>" + articleContent;
if (useTitleWebView) {
content += "<p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>";
}
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>";
}
} catch (MalformedURLException e) {
//
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
content += "</body></html>";
try {
String baseUrl = null;
try {
URL url = new URL(m_article.link);
baseUrl = url.getProtocol() + "://" + url.getHost();
} catch (MalformedURLException e) {
//
}
web.loadDataWithBaseURL(baseUrl, content, "text/html", "utf-8", null);
} catch (RuntimeException e) {
e.printStackTrace();
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}
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);
DateFormat df = new SimpleDateFormat("MMM dd, 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);
if (author != null) {
if (m_article.author != null && m_article.author.length() > 0) {
author.setText(getString(R.string.author_formatted, m_article.author));
} else {
author.setVisibility(View.GONE);
}
}
}
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return view;
}
@Override
public void onDestroy() {
super.onDestroy();
}
@Override
public void onSaveInstanceState (Bundle out) {
super.onSaveInstanceState(out);
out.setClassLoader(getClass().getClassLoader());
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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();
}
}