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

880 lines
24 KiB
Java
Raw Normal View History

2013-04-21 13:01:26 +00:00
package org.fox.ttrss;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.TimeZone;
import org.fox.ttrss.types.Article;
import org.fox.ttrss.types.ArticleList;
import org.fox.ttrss.types.Feed;
import org.fox.ttrss.util.HeadlinesRequest;
import org.jsoup.Jsoup;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Resources.Theme;
import android.graphics.Paint;
2013-04-21 13:01:26 +00:00
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.Fragment;
import android.text.Html;
import android.text.Html.ImageGetter;
import android.util.Log;
import android.util.TypedValue;
2013-04-21 13:01:26 +00:00
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
2013-05-18 09:19:16 +00:00
import android.widget.ImageButton;
2013-04-21 13:01:26 +00:00
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import com.google.gson.JsonElement;
public class HeadlinesFragment extends Fragment implements OnItemClickListener, OnScrollListener {
public static enum ArticlesSelection { ALL, NONE, UNREAD };
public static final int HEADLINES_REQUEST_SIZE = 30;
public static final int HEADLINES_BUFFER_MAX = 500;
private final String TAG = this.getClass().getSimpleName();
private Feed m_feed;
private Article m_activeArticle;
private String m_searchQuery = "";
private boolean m_refreshInProgress = false;
private SharedPreferences m_prefs;
private ArticleListAdapter m_adapter;
private ArticleList m_articles = GlobalState.getInstance().m_loadedArticles;
private ArticleList m_selectedArticles = new ArticleList();
private ArticleList m_readArticles = new ArticleList();
private HeadlinesEventListener m_listener;
private OnlineActivity m_activity;
private ImageGetter m_dummyGetter = new ImageGetter() {
@SuppressWarnings("deprecation")
@Override
public Drawable getDrawable(String source) {
return new BitmapDrawable();
}
};
public ArticleList getSelectedArticles() {
return m_selectedArticles;
}
2013-04-26 09:16:53 +00:00
public void initialize(Feed feed) {
2013-04-21 13:01:26 +00:00
m_feed = feed;
}
2013-04-26 09:16:53 +00:00
public void initialize(Feed feed, Article activeArticle) {
2013-04-21 13:01:26 +00:00
m_feed = feed;
if (activeArticle != null) {
m_activeArticle = getArticleById(activeArticle.id);
}
}
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
.getMenuInfo();
switch (item.getItemId()) {
case R.id.set_labels:
if (true) {
Article article = getArticleAtPosition(info.position);
if (article != null) {
m_activity.editArticleLabels(article);
}
}
return true;
case R.id.article_set_note:
if (true) {
Article article = getArticleAtPosition(info.position);
if (article != null) {
m_activity.editArticleNote(article);
}
}
return true;
case R.id.headlines_article_link_copy:
if (true) {
Article article = getArticleAtPosition(info.position);
if (article != null) {
m_activity.copyToClipboard(article.link);
}
}
return true;
case R.id.selection_toggle_marked:
if (true) {
ArticleList selected = getSelectedArticles();
if (selected.size() > 0) {
for (Article a : selected)
a.marked = !a.marked;
m_activity.toggleArticlesMarked(selected);
//updateHeadlines();
} else {
Article article = getArticleAtPosition(info.position);
if (article != null) {
article.marked = !article.marked;
m_activity.saveArticleMarked(article);
//updateHeadlines();
}
}
m_adapter.notifyDataSetChanged();
}
return true;
case R.id.selection_toggle_published:
if (true) {
ArticleList selected = getSelectedArticles();
if (selected.size() > 0) {
for (Article a : selected)
a.published = !a.published;
m_activity.toggleArticlesPublished(selected);
//updateHeadlines();
} else {
Article article = getArticleAtPosition(info.position);
if (article != null) {
article.published = !article.published;
m_activity.saveArticlePublished(article);
//updateHeadlines();
}
}
m_adapter.notifyDataSetChanged();
}
return true;
case R.id.selection_toggle_unread:
if (true) {
ArticleList selected = getSelectedArticles();
if (selected.size() > 0) {
for (Article a : selected)
a.unread = !a.unread;
m_activity.toggleArticlesUnread(selected);
//updateHeadlines();
} else {
Article article = getArticleAtPosition(info.position);
if (article != null) {
article.unread = !article.unread;
m_activity.saveArticleUnread(article);
//updateHeadlines();
}
}
m_adapter.notifyDataSetChanged();
}
return true;
case R.id.headlines_share_article:
if (true) {
Article article = getArticleAtPosition(info.position);
if (article != null)
m_activity.shareArticle(article);
}
return true;
case R.id.catchup_above:
if (true) {
Article article = getArticleAtPosition(info.position);
if (article != null) {
ArticleList articles = getAllArticles();
ArticleList tmp = new ArticleList();
for (Article a : articles) {
if (a.unread) {
if (article.id == a.id)
break;
a.unread = false;
tmp.add(a);
}
}
if (tmp.size() > 0) {
m_activity.toggleArticlesUnread(tmp);
//updateHeadlines();
}
}
m_adapter.notifyDataSetChanged();
}
return true;
default:
Log.d(TAG, "onContextItemSelected, unhandled id=" + item.getItemId());
return super.onContextItemSelected(item);
}
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
getActivity().getMenuInflater().inflate(R.menu.headlines_context_menu, menu);
if (m_selectedArticles.size() > 0) {
menu.setHeaderTitle(R.string.headline_context_multiple);
menu.setGroupVisible(R.id.menu_group_single_article, false);
} else {
AdapterContextMenuInfo info = (AdapterContextMenuInfo)menuInfo;
Article article = getArticleAtPosition(info.position);
menu.setHeaderTitle(Html.fromHtml(article.title));
2013-04-21 13:01:26 +00:00
menu.setGroupVisible(R.id.menu_group_single_article, true);
}
menu.findItem(R.id.set_labels).setEnabled(m_activity.getApiLevel() >= 1);
menu.findItem(R.id.article_set_note).setEnabled(m_activity.getApiLevel() >= 1);
super.onCreateContextMenu(menu, v, menuInfo);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (savedInstanceState != null) {
m_feed = savedInstanceState.getParcelable("feed");
//m_articles = savedInstanceState.getParcelable("articles");
m_activeArticle = savedInstanceState.getParcelable("activeArticle");
m_selectedArticles = savedInstanceState.getParcelable("selectedArticles");
m_searchQuery = (String) savedInstanceState.getCharSequence("searchQuery");
}
View view = inflater.inflate(R.layout.headlines_fragment, container, false);
ListView list = (ListView)view.findViewById(R.id.headlines);
m_adapter = new ArticleListAdapter(getActivity(), R.layout.headlines_row, (ArrayList<Article>)m_articles);
list.setAdapter(m_adapter);
list.setOnItemClickListener(this);
list.setOnScrollListener(this);
//list.setEmptyView(view.findViewById(R.id.no_headlines));
registerForContextMenu(list);
if (m_activity.isSmallScreen() || m_activity.isPortrait())
view.findViewById(R.id.headlines_fragment).setPadding(0, 0, 0, 0);
Log.d(TAG, "onCreateView, feed=" + m_feed);
return view;
}
@Override
public void onResume() {
super.onResume();
if (GlobalState.getInstance().m_activeArticle != null) {
m_activeArticle = GlobalState.getInstance().m_activeArticle;
GlobalState.getInstance().m_activeArticle = null;
}
if (m_activeArticle != null) {
setActiveArticle(m_activeArticle);
}
if (m_articles.size() == 0 || !m_feed.equals(GlobalState.getInstance().m_activeFeed)) {
if (m_activity.getSupportFragmentManager().findFragmentByTag(CommonActivity.FRAG_ARTICLE) == null) {
refresh(false);
GlobalState.getInstance().m_activeFeed = m_feed;
}
} else {
notifyUpdated();
}
m_activity.initMenu();
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
m_activity = (OnlineActivity) activity;
m_listener = (HeadlinesEventListener) activity;
}
@Override
public void onItemClick(AdapterView<?> av, View view, int position, long id) {
ListView list = (ListView)av;
Log.d(TAG, "onItemClick=" + position);
if (list != null) {
Article article = (Article)list.getItemAtPosition(position);
if (article.id >= 0) {
m_listener.onArticleSelected(article);
// only set active article when it makes sense (in HeadlinesActivity)
if (getActivity().findViewById(R.id.article_fragment) != null) {
m_activeArticle = article;
}
m_adapter.notifyDataSetChanged();
}
}
}
@SuppressWarnings({ "unchecked", "serial" })
public void refresh(boolean append) {
if (m_activity != null) {
m_refreshInProgress = true;
m_activity.setProgressBarVisibility(true);
if (!m_feed.equals(GlobalState.getInstance().m_activeFeed)) {
append = false;
}
final boolean fappend = append;
final String sessionId = m_activity.getSessionId();
final boolean isCat = m_feed.is_cat;
HeadlinesRequest req = new HeadlinesRequest(getActivity().getApplicationContext(), m_activity) {
@Override
protected void onProgressUpdate(Integer... progress) {
m_activity.setProgress(Math.round((((float)progress[0] / (float)progress[1]) * 10000)));
}
@Override
protected void onPostExecute(JsonElement result) {
if (isDetached()) return;
if (getView() != null) {
ListView list = (ListView)getView().findViewById(R.id.headlines);
if (list != null) {
list.setEmptyView(getView().findViewById(R.id.no_headlines));
}
}
m_activity.setProgressBarVisibility(false);
super.onPostExecute(result);
if (result != null) {
m_refreshInProgress = false;
if (m_articles.indexOf(m_activeArticle) == -1)
m_activeArticle = null;
m_adapter.notifyDataSetChanged();
m_listener.onHeadlinesLoaded(fappend);
} else {
if (m_lastError == ApiError.LOGIN_FAILED) {
m_activity.login();
} else {
m_activity.setLoadingStatus(getErrorMessage(), false);
}
}
}
};
int skip = 0;
if (append) {
for (Article a : m_articles) {
if (a.unread) ++skip;
}
if (skip == 0) skip = m_articles.size();
} else {
m_activity.setLoadingStatus(R.string.blank, true);
}
final int fskip = skip;
req.setOffset(skip);
HashMap<String,String> map = new HashMap<String,String>() {
{
put("op", "getHeadlines");
put("sid", sessionId);
put("feed_id", String.valueOf(m_feed.id));
put("show_content", "true");
put("include_attachments", "true");
put("view_mode", m_activity.getViewMode());
put("limit", String.valueOf(HEADLINES_REQUEST_SIZE));
put("offset", String.valueOf(0));
put("skip", String.valueOf(fskip));
put("include_nested", "true");
put("order_by", m_prefs.getBoolean("oldest_first", false) ? "date_reverse" : "");
if (isCat) put("is_cat", "true");
if (m_searchQuery != null && m_searchQuery.length() != 0) {
put("search", m_searchQuery);
put("search_mode", "");
put("match_on", "both");
}
}
};
req.execute(map);
}
}
@Override
public void onSaveInstanceState (Bundle out) {
super.onSaveInstanceState(out);
out.putParcelable("feed", m_feed);
//out.putParcelable("articles", m_articles);
out.putParcelable("activeArticle", m_activeArticle);
out.putParcelable("selectedArticles", m_selectedArticles);
out.putCharSequence("searchQuery", m_searchQuery);
}
/* private void setLoadingStatus(int status, boolean showProgress) {
if (getView() != null) {
TextView tv = (TextView)getView().findViewById(R.id.loading_message);
if (tv != null) {
tv.setText(status);
}
}
if (getActivity() != null)
getActivity().setProgressBarIndeterminateVisibility(showProgress);
} */
/* private class HeadlinesRequest extends ApiRequest {
int m_offset = 0;
public HeadlinesRequest(Context context) {
super(context);
}
protected void onPostExecute(JsonElement result) {
if (result != null) {
try {
JsonArray content = result.getAsJsonArray();
if (content != null) {
Type listType = new TypeToken<List<Article>>() {}.getType();
final List<Article> articles = new Gson().fromJson(content, listType);
while (m_articles.size() > HEADLINES_BUFFER_MAX)
m_articles.remove(0);
if (m_offset == 0)
m_articles.clear();
else
m_articles.remove(m_articles.size()-1); // remove previous placeholder
for (Article f : articles)
m_articles.add(f);
if (articles.size() == HEADLINES_REQUEST_SIZE) {
Article placeholder = new Article(-1);
m_articles.add(placeholder);
m_canLoadMore = true;
} else {
m_canLoadMore = false;
}
m_adapter.notifyDataSetChanged();
if (m_articles.size() == 0)
setLoadingStatus(R.string.no_headlines_to_display, false);
else
setLoadingStatus(R.string.blank, false);
m_refreshInProgress = false;
return;
}
} catch (Exception e) {
e.printStackTrace();
}
}
if (m_lastError == ApiError.LOGIN_FAILED) {
m_activity.login();
} else {
setLoadingStatus(getErrorMessage(), false);
}
m_refreshInProgress = false;
}
public void setOffset(int skip) {
m_offset = skip;
}
} */
private class ArticleListAdapter extends ArrayAdapter<Article> {
private ArrayList<Article> items;
public static final int VIEW_NORMAL = 0;
public static final int VIEW_UNREAD = 1;
public static final int VIEW_SELECTED = 2;
public static final int VIEW_SELECTED_UNREAD = 3;
public static final int VIEW_LOADMORE = 4;
public static final int VIEW_COUNT = VIEW_LOADMORE+1;
private final Integer[] origTitleColors = new Integer[VIEW_COUNT];
private final int titleHighScoreUnreadColor;
2013-04-21 13:01:26 +00:00
public ArticleListAdapter(Context context, int textViewResourceId, ArrayList<Article> items) {
super(context, textViewResourceId, items);
this.items = items;
2013-04-25 15:54:52 +00:00
Theme theme = context.getTheme();
TypedValue tv = new TypedValue();
theme.resolveAttribute(R.attr.headlineTitleHighScoreUnreadTextColor, tv, true);
titleHighScoreUnreadColor = tv.data;
2013-04-21 13:01:26 +00:00
}
public int getViewTypeCount() {
return VIEW_COUNT;
}
@Override
public int getItemViewType(int position) {
Article a = items.get(position);
if (a.id == -1) {
return VIEW_LOADMORE;
} else if (m_activeArticle != null && a.id == m_activeArticle.id && a.unread) {
return VIEW_SELECTED_UNREAD;
} else if (m_activeArticle != null && a.id == m_activeArticle.id) {
return VIEW_SELECTED;
} else if (a.unread) {
return VIEW_UNREAD;
} else {
return VIEW_NORMAL;
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
final Article article = items.get(position);
if (v == null) {
int layoutId = R.layout.headlines_row;
switch (getItemViewType(position)) {
case VIEW_LOADMORE:
layoutId = R.layout.headlines_row_loadmore;
break;
case VIEW_UNREAD:
layoutId = R.layout.headlines_row_unread;
break;
case VIEW_SELECTED:
layoutId = R.layout.headlines_row_selected;
break;
case VIEW_SELECTED_UNREAD:
layoutId = R.layout.headlines_row_selected_unread;
break;
}
LayoutInflater vi = (LayoutInflater)getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
v = vi.inflate(layoutId, null);
// http://code.google.com/p/android/issues/detail?id=3414
((ViewGroup)v).setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
}
TextView tt = (TextView)v.findViewById(R.id.title);
if (tt != null) {
tt.setText(Html.fromHtml(article.title));
2013-04-25 16:03:43 +00:00
adjustTitleTextView(article.score, tt, position);
2013-04-21 13:01:26 +00:00
}
TextView ft = (TextView)v.findViewById(R.id.feed_title);
if (ft != null) {
if (article.feed_title != null && (m_feed.is_cat || m_feed.id < 0)) {
/* if (article.feed_title.length() > 20)
ft.setText(article.feed_title.substring(0, 20) + "...");
else */
ft.setText(article.feed_title);
} else {
ft.setVisibility(View.GONE);
}
}
ImageView marked = (ImageView)v.findViewById(R.id.marked);
if (marked != null) {
marked.setImageResource(article.marked ? android.R.drawable.star_on : android.R.drawable.star_off);
marked.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
article.marked = !article.marked;
m_adapter.notifyDataSetChanged();
m_activity.saveArticleMarked(article);
}
});
}
ImageView published = (ImageView)v.findViewById(R.id.published);
if (published != null) {
published.setImageResource(article.published ? R.drawable.ic_rss : R.drawable.ic_rss_bw);
published.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
article.published = !article.published;
m_adapter.notifyDataSetChanged();
m_activity.saveArticlePublished(article);
}
});
}
TextView te = (TextView)v.findViewById(R.id.excerpt);
String articleContent = article.content != null ? article.content : "";
if (te != null) {
if (!m_prefs.getBoolean("headlines_show_content", true)) {
te.setVisibility(View.GONE);
} else {
String excerpt = Jsoup.parse(articleContent).text();
if (excerpt.length() > 200)
excerpt = excerpt.substring(0, 200) + "...";
te.setText(excerpt);
}
}
String articleAuthor = article.author != null ? article.author : "";
TextView author = (TextView)v.findViewById(R.id.author);
if (author != null) {
author.setText(articleAuthor);
}
/* ImageView separator = (ImageView)v.findViewById(R.id.headlines_separator);
if (separator != null && m_onlineServices.isSmallScreen()) {
separator.setVisibility(View.GONE);
} */
TextView dv = (TextView) v.findViewById(R.id.date);
if (dv != null) {
Date d = new Date((long)article.updated * 1000);
DateFormat df = new SimpleDateFormat("MMM dd, HH:mm");
df.setTimeZone(TimeZone.getDefault());
dv.setText(df.format(d));
}
CheckBox cb = (CheckBox) v.findViewById(R.id.selected);
if (cb != null) {
cb.setChecked(m_selectedArticles.contains(article));
cb.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
CheckBox cb = (CheckBox)view;
if (cb.isChecked()) {
if (!m_selectedArticles.contains(article))
m_selectedArticles.add(article);
} else {
m_selectedArticles.remove(article);
}
m_listener.onArticleListSelectionChange(m_selectedArticles);
Log.d(TAG, "num selected: " + m_selectedArticles.size());
}
});
}
2013-05-18 09:19:16 +00:00
ImageButton ib = (ImageButton) v.findViewById(R.id.article_menu_button);
2013-04-21 13:01:26 +00:00
if (ib != null) {
2013-05-18 09:19:16 +00:00
if (m_activity.isDarkTheme())
ib.setImageResource(R.drawable.ic_mailbox_collapsed_holo_dark);
2013-04-21 13:01:26 +00:00
ib.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
getActivity().openContextMenu(v);
}
});
2013-05-18 09:19:16 +00:00
}
2013-04-21 13:01:26 +00:00
return v;
}
2013-04-25 16:03:43 +00:00
private void adjustTitleTextView(int score, TextView tv, int position) {
int viewType = getItemViewType(position);
2013-04-25 15:54:52 +00:00
if (origTitleColors[viewType] == null)
// store original color
origTitleColors[viewType] = Integer.valueOf(tv.getCurrentTextColor());
2013-04-25 16:03:43 +00:00
if (score < -500) {
tv.setPaintFlags(tv.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
2013-04-25 15:54:52 +00:00
} else if (score > 500) {
2013-04-25 16:03:43 +00:00
tv.setTextColor(titleHighScoreUnreadColor);
tv.setPaintFlags(tv.getPaintFlags() & ~Paint.STRIKE_THRU_TEXT_FLAG);
} else {
tv.setTextColor(origTitleColors[viewType].intValue());
tv.setPaintFlags(tv.getPaintFlags() & ~Paint.STRIKE_THRU_TEXT_FLAG);
}
}
2013-04-21 13:01:26 +00:00
}
public void notifyUpdated() {
m_adapter.notifyDataSetChanged();
}
public ArticleList getAllArticles() {
return m_articles;
}
public void setActiveArticle(Article article) {
if (article != m_activeArticle) {
m_activeArticle = article;
m_adapter.notifyDataSetChanged();
ListView list = (ListView)getView().findViewById(R.id.headlines);
if (list != null && article != null) {
int position = m_adapter.getPosition(article);
list.setSelection(position);
}
}
}
public void setSelection(ArticlesSelection select) {
m_selectedArticles.clear();
if (select != ArticlesSelection.NONE) {
for (Article a : m_articles) {
if (select == ArticlesSelection.ALL || select == ArticlesSelection.UNREAD && a.unread) {
m_selectedArticles.add(a);
}
}
}
m_adapter.notifyDataSetChanged();
}
public Article getArticleAtPosition(int position) {
try {
return m_adapter.getItem(position);
} catch (IndexOutOfBoundsException e) {
return null;
} catch (NullPointerException e) {
return null;
}
}
public Article getArticleById(int id) {
for (Article a : m_articles) {
if (a.id == id)
return a;
}
return null;
}
public ArticleList getUnreadArticles() {
ArticleList tmp = new ArticleList();
for (Article a : m_articles) {
if (a.unread) tmp.add(a);
}
return tmp;
}
@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
if (!m_refreshInProgress && m_articles.findById(-1) != null && firstVisibleItem + visibleItemCount == m_articles.size()) {
refresh(true);
}
if (m_prefs.getBoolean("headlines_mark_read_scroll", false) && firstVisibleItem > 0) {
Article a = m_articles.get(firstVisibleItem - 1);
if (a != null && a.unread) {
a.unread = false;
m_readArticles.add(a);
m_feed.unread--;
}
}
}
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
if (scrollState == SCROLL_STATE_IDLE && m_prefs.getBoolean("headlines_mark_read_scroll", false)) {
if (!m_readArticles.isEmpty()) {
m_activity.toggleArticlesUnread(m_readArticles);
m_activity.refresh(false);
m_readArticles.clear();
}
}
}
public Article getActiveArticle() {
return m_activeArticle;
}
public int getArticlePosition(Article article) {
try {
return m_adapter.getPosition(article);
} catch (NullPointerException e) {
return -1;
}
}
public String getSearchQuery() {
return m_searchQuery;
}
public void setSearchQuery(String query) {
if (!m_searchQuery.equals(query)) {
m_searchQuery = query;
refresh(false);
}
}
public Feed getFeed() {
return m_feed;
}
}