tt-rss-android/src/org/fox/ttrss/offline/OfflineHeadlinesFragment.java

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package org.fox.ttrss.offline;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
import org.fox.ttrss.CommonActivity;
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import org.fox.ttrss.GlobalState;
import org.fox.ttrss.R;
import org.jsoup.Jsoup;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Resources.Theme;
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import android.database.Cursor;
import android.database.sqlite.SQLiteStatement;
import android.graphics.Paint;
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import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.provider.BaseColumns;
import android.support.v4.app.Fragment;
import android.support.v4.widget.SimpleCursorAdapter;
import android.text.Html;
import android.text.Html.ImageGetter;
import android.util.Log;
import android.util.TypedValue;
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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.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.LayoutAnimationController;
import android.view.animation.TranslateAnimation;
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import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.CheckBox;
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import android.widget.ImageButton;
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import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
public class OfflineHeadlinesFragment extends Fragment implements OnItemClickListener {
public static enum ArticlesSelection { ALL, NONE, UNREAD };
private final String TAG = this.getClass().getSimpleName();
private int m_feedId;
private boolean m_feedIsCat = false;
private int m_activeArticleId;
private String m_searchQuery = "";
private SharedPreferences m_prefs;
private Cursor m_cursor;
private ArticleListAdapter m_adapter;
private OfflineHeadlinesEventListener m_listener;
private OfflineActivity m_activity;
private ImageGetter m_dummyGetter = new ImageGetter() {
@SuppressWarnings("deprecation")
@Override
public Drawable getDrawable(String source) {
return new BitmapDrawable();
}
};
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public void initialize(int feedId, boolean isCat) {
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m_feedId = feedId;
m_feedIsCat = isCat;
}
@Override
public void onDestroy() {
super.onDestroy();
if (m_cursor != null && !m_cursor.isClosed()) m_cursor.close();
}
public int getSelectedArticleCount() {
Cursor c = m_activity.getReadableDb().query("articles",
new String[] { "COUNT(*)" }, "selected = 1", null, null, null, null);
c.moveToFirst();
int selected = c.getInt(0);
c.close();
return selected;
}
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
.getMenuInfo();
switch (item.getItemId()) {
case R.id.article_link_copy:
if (true) {
int articleId = getArticleIdAtPosition(info.position);
Cursor article = m_activity.getArticleById(articleId);
if (article != null) {
m_activity.copyToClipboard(article.getString(article.getColumnIndex("link")));
article.close();
}
}
return true;
case R.id.selection_toggle_marked:
if (getSelectedArticleCount() > 0) {
SQLiteStatement stmt = m_activity.getWritableDb()
.compileStatement(
"UPDATE articles SET modified = 1, marked = NOT marked WHERE selected = 1");
stmt.execute();
stmt.close();
} else {
int articleId = getArticleIdAtPosition(info.position);
SQLiteStatement stmt = m_activity.getWritableDb().compileStatement(
"UPDATE articles SET modified = 1, marked = NOT marked WHERE "
+ BaseColumns._ID + " = ?");
stmt.bindLong(1, articleId);
stmt.execute();
stmt.close();
}
refresh();
return true;
case R.id.selection_toggle_published:
if (getSelectedArticleCount() > 0) {
SQLiteStatement stmt = m_activity.getWritableDb()
.compileStatement(
"UPDATE articles SET modified = 1, published = NOT published WHERE selected = 1");
stmt.execute();
stmt.close();
} else {
int articleId = getArticleIdAtPosition(info.position);
SQLiteStatement stmt = m_activity.getWritableDb().compileStatement(
"UPDATE articles SET modified = 1, published = NOT published WHERE "
+ BaseColumns._ID + " = ?");
stmt.bindLong(1, articleId);
stmt.execute();
stmt.close();
}
refresh();
return true;
case R.id.selection_toggle_unread:
if (getSelectedArticleCount() > 0) {
SQLiteStatement stmt = m_activity.getWritableDb()
.compileStatement(
"UPDATE articles SET modified = 1, unread = NOT unread WHERE selected = 1");
stmt.execute();
stmt.close();
} else {
int articleId = getArticleIdAtPosition(info.position);
SQLiteStatement stmt = m_activity.getWritableDb().compileStatement(
"UPDATE articles SET modified = 1, unread = NOT unread WHERE "
+ BaseColumns._ID + " = ?");
stmt.bindLong(1, articleId);
stmt.execute();
stmt.close();
}
refresh();
return true;
case R.id.share_article:
if (true) {
int articleId = getArticleIdAtPosition(info.position);
m_activity.shareArticle(articleId);
}
return true;
case R.id.catchup_above:
if (true) {
int articleId = getArticleIdAtPosition(info.position);
SQLiteStatement stmt = null;
String updatedOperator = (m_prefs.getBoolean("offline_oldest_first", false)) ? "<" : ">";
if (m_feedIsCat) {
stmt = m_activity.getWritableDb().compileStatement(
"UPDATE articles SET modified = 1, unread = 0 WHERE " +
"updated "+updatedOperator+" (SELECT updated FROM articles WHERE " + BaseColumns._ID + " = ?) " +
"AND unread = 1 AND feed_id IN (SELECT "+BaseColumns._ID+" FROM feeds WHERE cat_id = ?)");
} else {
stmt = m_activity.getWritableDb().compileStatement(
"UPDATE articles SET modified = 1, unread = 0 WHERE " +
"updated "+updatedOperator+" (SELECT updated FROM articles WHERE " + BaseColumns._ID + " = ?) " +
"AND unread = 1 AND feed_id = ?");
}
stmt.bindLong(1, articleId);
stmt.bindLong(2, m_feedId);
stmt.execute();
stmt.close();
}
refresh();
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 (getSelectedArticleCount() > 0) {
menu.setHeaderTitle(R.string.headline_context_multiple);
menu.setGroupVisible(R.id.menu_group_single_article, false);
} else {
AdapterContextMenuInfo info = (AdapterContextMenuInfo)menuInfo;
Cursor c = getArticleAtPosition(info.position);
menu.setHeaderTitle(c.getString(c.getColumnIndex("title")));
//c.close();
menu.setGroupVisible(R.id.menu_group_single_article, true);
menu.findItem(R.id.set_labels).setVisible(false);
menu.findItem(R.id.article_set_note).setVisible(false);
}
super.onCreateContextMenu(menu, v, menuInfo);
}
@Override
public void onResume() {
super.onResume();
if (GlobalState.getInstance().m_selectedArticleId != 0) {
m_activeArticleId = GlobalState.getInstance().m_selectedArticleId;
GlobalState.getInstance().m_selectedArticleId = 0;
}
if (m_activeArticleId != 0) {
setActiveArticleId(m_activeArticleId);
}
refresh();
m_activity.initMenu();
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}
public void refresh() {
try {
if (!isAdded()) return;
if (m_cursor != null && !m_cursor.isClosed()) m_cursor.close();
m_cursor = createCursor();
if (m_cursor != null && m_adapter != null) {
m_adapter.changeCursor(m_cursor);
m_adapter.notifyDataSetChanged();
}
} catch (NullPointerException e) {
e.printStackTrace();
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}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (savedInstanceState != null) {
m_feedId = savedInstanceState.getInt("feedId");
m_activeArticleId = savedInstanceState.getInt("activeArticleId");
//m_selectedArticles = savedInstanceState.getParcelableArrayList("selectedArticles");
m_searchQuery = (String) savedInstanceState.getCharSequence("searchQuery");
m_feedIsCat = savedInstanceState.getBoolean("feedIsCat");
} else {
m_activity.getWritableDb().execSQL("UPDATE articles SET selected = 0 ");
}
View view = inflater.inflate(R.layout.headlines_fragment, container, false);
m_cursor = createCursor();
ListView list = (ListView)view.findViewById(R.id.headlines);
m_adapter = new ArticleListAdapter(getActivity(), R.layout.headlines_row, m_cursor,
new String[] { "title" }, new int[] { R.id.title }, 0);
/* if (!m_activity.isCompatMode()) {
AnimationSet set = new AnimationSet(true);
Animation animation = new AlphaAnimation(0.0f, 1.0f);
animation.setDuration(500);
set.addAnimation(animation);
animation = new TranslateAnimation(
Animation.RELATIVE_TO_SELF, 50.0f,Animation.RELATIVE_TO_SELF, 0.0f,
Animation.RELATIVE_TO_SELF, 0.0f,Animation.RELATIVE_TO_SELF, 0.0f
);
animation.setDuration(1000);
set.addAnimation(animation);
LayoutAnimationController controller = new LayoutAnimationController(set, 0.5f);
list.setLayoutAnimation(controller);
} */
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list.setAdapter(m_adapter);
list.setOnItemClickListener(this);
list.setEmptyView(view.findViewById(R.id.no_headlines));
registerForContextMenu(list);
if (m_activity.isSmallScreen())
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view.findViewById(R.id.headlines_fragment).setPadding(0, 0, 0, 0);
getActivity().setProgressBarIndeterminateVisibility(false);
return view;
}
public Cursor createCursor() {
String feedClause = null;
if (m_feedIsCat) {
feedClause = "feed_id IN (SELECT "+BaseColumns._ID+" FROM feeds WHERE cat_id = ?)";
} else {
feedClause = "feed_id = ?";
}
String viewMode = m_activity.getViewMode();
if ("adaptive".equals(viewMode)) {
// TODO: implement adaptive
} else if ("marked".equals(viewMode)) {
feedClause += "AND (marked = 1)";
} else if ("published".equals(viewMode)) {
feedClause += "AND (published = 1)";
} else if ("unread".equals(viewMode)) {
feedClause += "AND (unread = 1)";
} else { // all_articles
//
}
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String orderBy = (m_prefs.getBoolean("offline_oldest_first", false)) ? "updated" : "updated DESC";
if (m_searchQuery == null || m_searchQuery.equals("")) {
return m_activity.getReadableDb().query("articles LEFT JOIN feeds ON (feed_id = feeds."+BaseColumns._ID+")",
new String[] { "articles.*", "feeds.title AS feed_title" }, feedClause,
new String[] { String.valueOf(m_feedId) }, null, null, orderBy);
} else {
return m_activity.getReadableDb().query("articles LEFT JOIN feeds ON (feed_id = feeds."+BaseColumns._ID+")",
new String[] { "articles.*", "feeds.title AS feed_title" },
feedClause + " AND (articles.title LIKE '%' || ? || '%' OR content LIKE '%' || ? || '%')",
new String[] { String.valueOf(m_feedId), m_searchQuery, m_searchQuery }, null, null, orderBy);
}
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
m_listener = (OfflineHeadlinesEventListener) activity;
m_activity = (OfflineActivity) activity;
m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
}
@Override
public void onItemClick(AdapterView<?> av, View view, int position, long id) {
ListView list = (ListView)av;
Log.d(TAG, "onItemClick=" + position);
if (list != null) {
/* Cursor cursor = (Cursor)list.getItemAtPosition(position);
int articleId = cursor.getInt(0); */
int articleId = getArticleIdAtPosition(position);
if (getActivity().findViewById(R.id.article_fragment) != null) {
m_activeArticleId = articleId;
}
m_listener.onArticleSelected(articleId);
refresh();
}
}
@Override
public void onSaveInstanceState (Bundle out) {
super.onSaveInstanceState(out);
out.putInt("feedId", m_feedId);
out.putInt("activeArticleId", m_activeArticleId);
//out.putParcelableArrayList("selectedArticles", m_selectedArticles);
out.putCharSequence("searchQuery", m_searchQuery);
out.putBoolean("feedIsCat", m_feedIsCat);
}
/* public void setLoadingStatus(int status, boolean showProgress) {
if (getView() != null) {
TextView tv = (TextView)getView().findViewById(R.id.loading_message);
if (tv != null) {
tv.setText(status);
}
}
getActivity().setProgressBarIndeterminateVisibility(showProgress);
} */
private class ArticleListAdapter extends SimpleCursorAdapter {
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;
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public ArticleListAdapter(Context context, int layout, Cursor c,
String[] from, int[] to, int flags) {
super(context, layout, c, from, to, flags);
Theme theme = context.getTheme();
TypedValue tv = new TypedValue();
theme.resolveAttribute(R.attr.headlineTitleHighScoreUnreadTextColor, tv, true);
titleHighScoreUnreadColor = tv.data;
}
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public int getViewTypeCount() {
return VIEW_COUNT;
}
@Override
public int getItemViewType(int position) {
Cursor c = (Cursor) getItem(position);
//Log.d(TAG, "@gIVT " + position + " " + c.getInt(0) + " vs " + m_activeArticleId);
if (c.getInt(0) == m_activeArticleId && c.getInt(c.getColumnIndex("unread")) == 1) {
return VIEW_SELECTED_UNREAD;
} else if (c.getInt(0) == m_activeArticleId) {
return VIEW_SELECTED;
} else if (c.getInt(c.getColumnIndex("unread")) == 1) {
return VIEW_UNREAD;
} else {
return VIEW_NORMAL;
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
Cursor article = (Cursor)getItem(position);
final int articleId = article.getInt(0);
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_UNREAD:
layoutId = R.layout.headlines_row_selected_unread;
break;
case VIEW_SELECTED:
layoutId = R.layout.headlines_row_selected;
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.getString(article.getColumnIndex("title"))));
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int scoreIndex = article.getColumnIndex("score");
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if (scoreIndex >= 0)
adjustTitleTextView(article.getInt(scoreIndex), tt, position);
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}
TextView ft = (TextView)v.findViewById(R.id.feed_title);
int feedTitleIndex = article.getColumnIndex("feed_title");
if (ft != null && feedTitleIndex != -1 && m_feedIsCat) {
String feedTitle = article.getString(feedTitleIndex);
if (feedTitle.length() > 20)
feedTitle = feedTitle.substring(0, 20) + "...";
if (feedTitle.length() > 0) {
ft.setText(feedTitle);
} else {
ft.setVisibility(View.GONE);
}
} else if (ft != null) {
ft.setVisibility(View.GONE);
}
ImageView marked = (ImageView)v.findViewById(R.id.marked);
if (marked != null) {
marked.setImageResource(article.getInt(article.getColumnIndex("marked")) == 1 ? android.R.drawable.star_on : android.R.drawable.star_off);
marked.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
SQLiteStatement stmtUpdate = m_activity.getWritableDb().compileStatement("UPDATE articles SET modified = 1, marked = NOT marked " +
"WHERE " + BaseColumns._ID + " = ?");
stmtUpdate.bindLong(1, articleId);
stmtUpdate.execute();
stmtUpdate.close();
refresh();
}
});
}
ImageView published = (ImageView)v.findViewById(R.id.published);
if (published != null) {
published.setImageResource(article.getInt(article.getColumnIndex("published")) == 1 ? R.drawable.ic_rss : R.drawable.ic_rss_bw);
published.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
SQLiteStatement stmtUpdate = m_activity.getWritableDb().compileStatement("UPDATE articles SET modified = 1, published = NOT published " +
"WHERE " + BaseColumns._ID + " = ?");
stmtUpdate.bindLong(1, articleId);
stmtUpdate.execute();
stmtUpdate.close();
refresh();
}
});
}
TextView te = (TextView)v.findViewById(R.id.excerpt);
if (te != null) {
String excerpt = Jsoup.parse(article.getString(article.getColumnIndex("content"))).text();
if (excerpt.length() > CommonActivity.EXCERPT_MAX_SIZE)
excerpt = excerpt.substring(0, CommonActivity.EXCERPT_MAX_SIZE) + "...";
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int fontSize = -1;
switch (Integer.parseInt(m_prefs.getString("headlines_font_size", "0"))) {
case 0:
fontSize = 13;
break;
case 1:
fontSize = 16;
break;
case 2:
fontSize = 18;
break;
}
te.setTextSize(TypedValue.COMPLEX_UNIT_SP, fontSize);
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te.setText(excerpt);
}
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TextView ta = (TextView)v.findViewById(R.id.author);
if (ta != null) {
int authorIndex = article.getColumnIndex("author");
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if (authorIndex >= 0) {
String author = article.getString(authorIndex);
if (author != null && author.length() > 0)
ta.setText(getString(R.string.author_formatted, author));
else
ta.setText("");
}
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}
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/* ImageView separator = (ImageView)v.findViewById(R.id.headlines_separator);
if (separator != null && m_offlineServices.isSmallScreen()) {
separator.setVisibility(View.GONE);
} */
TextView dv = (TextView) v.findViewById(R.id.date);
if (dv != null) {
Date d = new Date((long)article.getInt(article.getColumnIndex("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(article.getInt(article.getColumnIndex("selected")) == 1);
cb.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
CheckBox cb = (CheckBox)view;
SQLiteStatement stmtUpdate = m_activity.getWritableDb().compileStatement("UPDATE articles SET selected = ? " +
"WHERE " + BaseColumns._ID + " = ?");
stmtUpdate.bindLong(1, cb.isChecked() ? 1 : 0);
stmtUpdate.bindLong(2, articleId);
stmtUpdate.execute();
stmtUpdate.close();
refresh();
m_activity.initMenu();
}
});
}
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ImageButton ib = (ImageButton) v.findViewById(R.id.article_menu_button);
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if (ib != null) {
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if (m_activity.isDarkTheme())
ib.setImageResource(R.drawable.ic_mailbox_collapsed_holo_dark);
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ib.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
getActivity().openContextMenu(v);
}
});
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}
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return v;
}
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private void adjustTitleTextView(int score, TextView tv, int position) {
int viewType = getItemViewType(position);
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if (origTitleColors[viewType] == null)
// store original color
origTitleColors[viewType] = Integer.valueOf(tv.getCurrentTextColor());
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if (score < -500) {
tv.setPaintFlags(tv.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
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} else if (score > 500) {
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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);
}
}
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}
public void notifyUpdated() {
m_adapter.notifyDataSetChanged();
}
public void setActiveArticleId(int articleId) {
m_activeArticleId = articleId;
try {
m_adapter.notifyDataSetChanged();
ListView list = (ListView)getView().findViewById(R.id.headlines);
Log.d(TAG, articleId + " position " + getArticleIdPosition(articleId));
if (list != null) {
list.setSelection(getArticleIdPosition(articleId));
}
} catch (NullPointerException e) {
// invoked before view is created, nvm
}
}
public Cursor getArticleAtPosition(int position) {
return (Cursor) m_adapter.getItem(position);
}
public int getArticleIdAtPosition(int position) {
/*Cursor c = getArticleAtPosition(position);
if (c != null) {
int id = c.getInt(0);
return id;
} */
return (int) m_adapter.getItemId(position);
}
public int getActiveArticleId() {
return m_activeArticleId;
}
public int getArticleIdPosition(int articleId) {
for (int i = 0; i < m_adapter.getCount(); i++) {
if (articleId == m_adapter.getItemId(i))
return i;
}
return -1;
}
public int getArticleCount() {
return m_adapter.getCount();
}
public void setSearchQuery(String query) {
if (!m_searchQuery.equals(query)) {
m_searchQuery = query;
}
}
public int getFeedId() {
return m_feedId;
}
public boolean getFeedIsCat() {
return m_feedIsCat;
}
public String getSearchQuery() {
return m_searchQuery;
}
}