/**
* Flym
* <p/>
* Copyright (c) 2012-2015 Frederic Julian
* <p/>
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* <p/>
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* <p/>
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.fred.feedex.adapter;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import net.fred.feedex.MainApplication;
import net.fred.feedex.R;
import net.fred.feedex.provider.FeedData;
import net.fred.feedex.provider.FeedData.EntryColumns;
import net.fred.feedex.utils.StringUtils;
import net.fred.feedex.utils.UiUtils;
import java.util.LinkedHashMap;
import java.util.Map;
public class DrawerAdapter extends BaseAdapter {
private static final int POS_ID = 0;
private static final int POS_URL = 1;
private static final int POS_NAME = 2;
private static final int POS_IS_GROUP = 3;
private static final int POS_ICON = 4;
private static final int POS_LAST_UPDATE = 5;
private static final int POS_ERROR = 6;
private static final int POS_UNREAD = 7;
private static final int NORMAL_TEXT_COLOR = Color.parseColor("#EEEEEE");
private static final int GROUP_TEXT_COLOR = Color.parseColor("#BBBBBB");
private static final String COLON = MainApplication.getContext().getString(R.string.colon);
private static final int CACHE_MAX_ENTRIES = 100;
private final Map<Long, String> mFormattedDateCache = new LinkedHashMap<Long, String>(CACHE_MAX_ENTRIES + 1, .75F, true) {
@Override
public boolean removeEldestEntry(Map.Entry<Long, String> eldest) {
return size() > CACHE_MAX_ENTRIES;
}
};
private final Context mContext;
private Cursor mFeedsCursor;
private int mAllUnreadNumber, mFavoritesNumber;
public DrawerAdapter(Context context, Cursor feedCursor) {
mContext = context;
mFeedsCursor = feedCursor;
updateNumbers();
}
public void setCursor(Cursor feedCursor) {
mFeedsCursor = feedCursor;
updateNumbers();
notifyDataSetChanged();
}
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = inflater.inflate(R.layout.item_drawer_list, parent, false);
ViewHolder holder = new ViewHolder();
holder.iconView = (ImageView) convertView.findViewById(android.R.id.icon);
holder.titleTxt = (TextView) convertView.findViewById(android.R.id.text1);
holder.stateTxt = (TextView) convertView.findViewById(android.R.id.text2);
holder.unreadTxt = (TextView) convertView.findViewById(R.id.unread_count);
holder.separator = convertView.findViewById(R.id.separator);
convertView.setTag(R.id.holder, holder);
}
ViewHolder holder = (ViewHolder) convertView.getTag(R.id.holder);
// default init
holder.iconView.setImageDrawable(null);
holder.titleTxt.setText("");
holder.titleTxt.setTextColor(NORMAL_TEXT_COLOR);
holder.titleTxt.setAllCaps(false);
holder.stateTxt.setVisibility(View.GONE);
holder.unreadTxt.setText("");
convertView.setPadding(0, 0, 0, 0);
holder.separator.setVisibility(View.GONE);
if (position == 0 || position == 1 || position == 2) {
switch (position) {
case 0:
holder.titleTxt.setText(R.string.unread_entries);
holder.iconView.setImageResource(R.drawable.ic_statusbar_rss);
if (mAllUnreadNumber != 0) {
holder.unreadTxt.setText(String.valueOf(mAllUnreadNumber));
}
break;
case 1:
holder.titleTxt.setText(R.string.all_entries);
holder.iconView.setImageResource(R.drawable.ic_statusbar_rss);
break;
case 2:
holder.titleTxt.setText(R.string.favorites);
holder.iconView.setImageResource(R.drawable.rating_important);
if (mFavoritesNumber != 0) {
holder.unreadTxt.setText(String.valueOf(mFavoritesNumber));
}
break;
}
}
if (mFeedsCursor != null && mFeedsCursor.moveToPosition(position - 3)) {
holder.titleTxt.setText((mFeedsCursor.isNull(POS_NAME) ? mFeedsCursor.getString(POS_URL) : mFeedsCursor.getString(POS_NAME)));
if (mFeedsCursor.getInt(POS_IS_GROUP) == 1) {
holder.titleTxt.setTextColor(GROUP_TEXT_COLOR);
holder.titleTxt.setAllCaps(true);
holder.separator.setVisibility(View.VISIBLE);
} else {
holder.stateTxt.setVisibility(View.VISIBLE);
if (mFeedsCursor.isNull(POS_ERROR)) {
long timestamp = mFeedsCursor.getLong(POS_LAST_UPDATE);
// Date formatting is expensive, look at the cache
String formattedDate = mFormattedDateCache.get(timestamp);
if (formattedDate == null) {
formattedDate = mContext.getString(R.string.update) + COLON;
if (timestamp == 0) {
formattedDate += mContext.getString(R.string.never);
} else {
formattedDate += StringUtils.getDateTimeString(timestamp);
}
mFormattedDateCache.put(timestamp, formattedDate);
}
holder.stateTxt.setText(formattedDate);
} else {
holder.stateTxt.setText(new StringBuilder(mContext.getString(R.string.error)).append(COLON).append(mFeedsCursor.getString(POS_ERROR)));
}
final long feedId = mFeedsCursor.getLong(POS_ID);
Bitmap bitmap = UiUtils.getFaviconBitmap(feedId, mFeedsCursor, POS_ICON);
if (bitmap != null) {
holder.iconView.setImageBitmap(bitmap);
} else {
holder.iconView.setImageResource(R.mipmap.ic_launcher);
}
int unread = mFeedsCursor.getInt(POS_UNREAD);
if (unread != 0) {
holder.unreadTxt.setText(String.valueOf(unread));
}
}
}
return convertView;
}
@Override
public int getCount() {
if (mFeedsCursor != null) {
return mFeedsCursor.getCount() + 3;
}
return 0;
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
if (mFeedsCursor != null && mFeedsCursor.moveToPosition(position - 3)) {
return mFeedsCursor.getLong(POS_ID);
}
return -1;
}
public byte[] getItemIcon(int position) {
if (mFeedsCursor != null && mFeedsCursor.moveToPosition(position - 3)) {
return mFeedsCursor.getBlob(POS_ICON);
}
return null;
}
public String getItemName(int position) {
if (mFeedsCursor != null && mFeedsCursor.moveToPosition(position - 3)) {
return mFeedsCursor.isNull(POS_NAME) ? mFeedsCursor.getString(POS_URL) : mFeedsCursor.getString(POS_NAME);
}
return null;
}
public boolean isItemAGroup(int position) {
return mFeedsCursor != null && mFeedsCursor.moveToPosition(position - 3) && mFeedsCursor.getInt(POS_IS_GROUP) == 1;
}
private void updateNumbers() {
mAllUnreadNumber = mFavoritesNumber = 0;
// Gets the numbers of entries (should be in a thread, but it's way easier like this and it shouldn't be so slow)
Cursor numbers = mContext.getContentResolver().query(EntryColumns.CONTENT_URI, new String[]{FeedData.ALL_UNREAD_NUMBER, FeedData.FAVORITES_NUMBER}, null, null, null);
if (numbers != null) {
if (numbers.moveToFirst()) {
mAllUnreadNumber = numbers.getInt(0);
mFavoritesNumber = numbers.getInt(1);
}
numbers.close();
}
}
private static class ViewHolder {
public ImageView iconView;
public TextView titleTxt;
public TextView stateTxt;
public TextView unreadTxt;
public View separator;
}
}