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The source code is released under:
GNU General Public License
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/** * Ace Shooting//from w ww.ja va 2 s . c om * * Copyright (c) 2014 Ace Shooting * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * */ package com.aceshooting.rssapp; import android.app.Activity; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.drawable.BitmapDrawable; import android.net.Uri; import android.preference.PreferenceManager; import android.util.TypedValue; import android.view.View; import android.view.View.OnClickListener; import android.widget.ImageView; import android.widget.ResourceCursorAdapter; import android.widget.TextView; import com.aceshooting.rssapp.provider.FeedData; import java.text.DateFormat; import java.util.Date; import java.util.Vector; public class EntriesListAdapter extends ResourceCursorAdapter { private static final int STATE_NEUTRAL = 0; private static final int STATE_ALLREAD = 1; private static final int STATE_ALLUNREAD = 2; private int titleColumnPosition; private int dateColumn; private int readDateColumn; private int favoriteColumn; private int idColumn; private int feedIconColumn; private int feedNameColumn; private int linkColumn; private static final String SQLREAD = "length(readdate) ASC, "; public static final String READDATEISNULL = FeedData.EntryColumns.READDATE+Strings.DB_ISNULL; private boolean hideRead; private Activity context; private Uri uri; private boolean showFeedInfo; private int forcedState; private Vector<Long> markedAsRead; private Vector<Long> markedAsUnread; private Vector<Long> favorited; private Vector<Long> unfavorited; private DateFormat dateFormat; private DateFormat timeFormat; public EntriesListAdapter(Activity context, Uri uri, boolean showFeedInfo, boolean autoreload, boolean hideRead) { super(context, R.layout.entrylistitem, createManagedCursor(context, uri, hideRead), autoreload); this.hideRead = hideRead; this.context = context; this.uri = uri; Cursor cursor = getCursor(); titleColumnPosition = cursor.getColumnIndex(FeedData.EntryColumns.TITLE); dateColumn = cursor.getColumnIndex(FeedData.EntryColumns.DATE); readDateColumn = cursor.getColumnIndex(FeedData.EntryColumns.READDATE); favoriteColumn = cursor.getColumnIndex(FeedData.EntryColumns.FAVORITE); idColumn = cursor.getColumnIndex(FeedData.EntryColumns._ID); linkColumn = cursor.getColumnIndex(FeedData.EntryColumns.LINK); this.showFeedInfo = showFeedInfo; if (showFeedInfo) { feedIconColumn = cursor.getColumnIndex(FeedData.FeedColumns.ICON); feedNameColumn = cursor.getColumnIndex(FeedData.FeedColumns.NAME); } forcedState = STATE_NEUTRAL; markedAsRead = new Vector<Long>(); markedAsUnread = new Vector<Long>(); favorited = new Vector<Long>(); unfavorited = new Vector<Long>(); dateFormat = android.text.format.DateFormat.getDateFormat(context); timeFormat = android.text.format.DateFormat.getTimeFormat(context); } @Override public void bindView(View view, final Context context, Cursor cursor) { TextView textView = (TextView) view.findViewById(android.R.id.text1); String link = cursor.getString(linkColumn); String title = cursor.getString(titleColumnPosition); textView.setText(title == null || title.length() == 0 ? link : title); TextView dateTextView = (TextView) view.findViewById(android.R.id.text2); final ImageView imageView = (ImageView) view.findViewById(android.R.id.icon); final long id = cursor.getLong(idColumn); view.setTag(link); final boolean favorite = !unfavorited.contains(id) && (cursor.getInt(favoriteColumn) == 1 || favorited.contains(id)); imageView.setImageResource(favorite ? android.R.drawable.star_on : android.R.drawable.star_off); imageView.setTag(favorite ? Strings.TRUE : Strings.FALSE); imageView.setOnClickListener(new OnClickListener() { public void onClick(View view) { boolean newFavorite = !Strings.TRUE.equals(view.getTag()); if (newFavorite) { view.setTag(Strings.TRUE); imageView.setImageResource(android.R.drawable.star_on); favorited.add(id); unfavorited.remove(id); } else { view.setTag(Strings.FALSE); imageView.setImageResource(android.R.drawable.star_off); unfavorited.add(id); favorited.remove(id); } ContentValues values = new ContentValues(); values.put(FeedData.EntryColumns.FAVORITE, newFavorite ? 1 : 0); view.getContext().getContentResolver().update(uri, values, new StringBuilder(FeedData.EntryColumns._ID).append(Strings.DB_ARG).toString(), new String[] {Long.toString(id)}); context.getContentResolver().notifyChange(FeedData.EntryColumns.FAVORITES_CONTENT_URI, null); } }); Date date = new Date(cursor.getLong(dateColumn)); if (showFeedInfo && feedIconColumn > -1 && feedNameColumn > -1) { byte[] iconBytes = cursor.getBlob(feedIconColumn); if (iconBytes != null && iconBytes.length > 0) { Bitmap bitmap = BitmapFactory.decodeByteArray(iconBytes, 0, iconBytes.length); if (bitmap != null) { int bitmapSizeInDip = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 18f, context.getResources().getDisplayMetrics()); if (bitmap.getHeight() != bitmapSizeInDip) { bitmap = Bitmap.createScaledBitmap(bitmap, bitmapSizeInDip, bitmapSizeInDip, false); } dateTextView.setText(new StringBuilder().append(' ').append(dateFormat.format(date)).append(' ').append(timeFormat.format(date)).append(Strings.COMMASPACE).append(cursor.getString(feedNameColumn))); // bad style } else { dateTextView.setText(new StringBuilder(dateFormat.format(date)).append(' ').append(timeFormat.format(date)).append(Strings.COMMASPACE).append(cursor.getString(feedNameColumn))); } dateTextView.setCompoundDrawablesWithIntrinsicBounds(new BitmapDrawable(bitmap), null, null, null); } else { dateTextView.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null); dateTextView.setText(new StringBuilder(dateFormat.format(date)).append(' ').append(timeFormat.format(date)).append(Strings.COMMASPACE).append(cursor.getString(feedNameColumn))); } } else { dateTextView.setText(new StringBuilder(dateFormat.format(date)).append(' ').append(timeFormat.format(date))); } if (forcedState == STATE_ALLUNREAD && !markedAsRead.contains(id) || (forcedState != STATE_ALLREAD && cursor.isNull(readDateColumn) && !markedAsRead.contains(id)) || markedAsUnread.contains(id)) { textView.setEnabled(true); } else { textView.setEnabled(false); } } public boolean isHideRead() { return hideRead; } public void setHideRead(boolean hideRead) { if (hideRead != this.hideRead) { this.hideRead = hideRead; reloadCursor(); } } public void reloadCursor() { markedAsRead.clear(); markedAsUnread.clear(); favorited.clear(); unfavorited.clear(); context.stopManagingCursor(getCursor()); forcedState = STATE_NEUTRAL; changeCursor(createManagedCursor(context, uri, hideRead)); notifyDataSetInvalidated(); } private static Cursor createManagedCursor(Activity context, Uri uri, boolean hideRead) { return context.managedQuery(uri, null, hideRead ? READDATEISNULL : null, null, new StringBuilder(PreferenceManager.getDefaultSharedPreferences(context).getBoolean(Strings.SETTINGS_PRIORITIZE, false) ? SQLREAD : Strings.EMPTY).append(FeedData.EntryColumns.DATE).append(Strings.DB_DESC).toString()); } public void markAsRead() { if (hideRead) { reloadCursor(); // well, the cursor should be empty } else { forcedState = STATE_ALLREAD; markedAsRead.clear(); markedAsUnread.clear(); notifyDataSetInvalidated(); } } public void markAsUnread() { forcedState = STATE_ALLUNREAD; markedAsRead.clear(); markedAsUnread.clear(); notifyDataSetInvalidated(); } public void neutralizeReadState() { forcedState = STATE_NEUTRAL; } public void markAsRead(long id) { if (hideRead) { reloadCursor(); } else { markedAsRead.add(id); markedAsUnread.remove(id); notifyDataSetInvalidated(); } } public void markAsUnread(long id) { markedAsUnread.add(id); markedAsRead.remove(id); notifyDataSetInvalidated(); } }