1 files changed, 298 insertions, 0 deletions
diff --git a/org.fox.ttrss/src/main/java/org/fox/ttrss/offline/OfflineArticlePager.java b/org.fox.ttrss/src/main/java/org/fox/ttrss/offline/OfflineArticlePager.java
new file mode 100644
index 00000000..510ab97b
--- /dev/null
+++ b/org.fox.ttrss/src/main/java/org/fox/ttrss/offline/OfflineArticlePager.java
@@ -0,0 +1,298 @@
+package org.fox.ttrss.offline;
+
+import org.fox.ttrss.R;
+
+import com.viewpagerindicator.UnderlinePageIndicator;
+
+import android.app.Activity;
+import android.content.SharedPreferences;
+import android.database.Cursor;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.provider.BaseColumns;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentStatePagerAdapter;
+import android.support.v4.view.ViewPager;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.WindowManager;
+
+public class OfflineArticlePager extends Fragment {
+	private final String TAG = this.getClass().getSimpleName();
+
+	private PagerAdapter m_adapter;
+	private OfflineActivity m_activity;
+	private OfflineHeadlinesEventListener m_listener;
+	private boolean m_isCat;
+	private int m_feedId;
+	private int m_articleId;
+	private String m_searchQuery = "";
+	private Cursor m_cursor;
+	private SharedPreferences m_prefs;
+	
+	public int getFeedId() {
+		return m_feedId;
+	}
+	
+	public boolean getFeedIsCat() {
+		return m_isCat;
+	}
+	
+	public Cursor createCursor() {
+		String feedClause = null;
+		
+		if (m_isCat) {
+			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
+			//
+		}
+		
+		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."+BaseColumns._ID, "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."+BaseColumns._ID },
+					feedClause + " AND (articles.title LIKE '%' || ? || '%' OR content LIKE '%' || ? || '%')", 
+					new String[] { String.valueOf(m_feedId), m_searchQuery, m_searchQuery }, null, null, orderBy);
+		}
+	}
+	
+	@Override
+	public void onDestroy() {
+		super.onDestroy();
+		
+		if (m_cursor != null && !m_cursor.isClosed()) m_cursor.close();
+	}
+	
+	private class PagerAdapter extends FragmentStatePagerAdapter {
+		public PagerAdapter(FragmentManager fm) {
+			super(fm);
+		}
+
+		@Override
+		public Fragment getItem(int position) {
+			Log.d(TAG, "getItem: " + position);
+			
+			if (m_cursor.moveToPosition(position)) {
+				
+				if (m_prefs.getBoolean("dim_status_bar", false) && getView() != null && !m_activity.isCompatMode()) {
+					getView().setSystemUiVisibility(View.STATUS_BAR_HIDDEN);
+				}
+				
+				OfflineArticleFragment oaf = new OfflineArticleFragment();
+				oaf.initialize(m_cursor.getInt(m_cursor.getColumnIndex(BaseColumns._ID)));
+				
+				return oaf;
+			} 
+			
+			return null; 
+		}
+		
+		@Override
+		public int getCount() {
+			return m_cursor.getCount();
+		}
+	}
+	
+	@Override
+	public void onResume() {
+		super.onResume();
+		
+		if (!m_activity.isCompatMode() && m_prefs.getBoolean("dim_status_bar", false)) {
+			getView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
+		}
+		
+		if (m_prefs.getBoolean("full_screen_mode", false)) {
+			m_activity.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
+                    WindowManager.LayoutParams.FLAG_FULLSCREEN);
+			
+			/* if (!m_activity.isCompatMode()) {
+	            m_activity.getSupportActionBar().hide();
+	         } */
+		}
+	}
+	
+	public void initialize(int articleId, int feedId, boolean isCat) {
+		m_feedId = feedId;
+		m_isCat = isCat;
+		m_articleId = articleId;
+
+	}
+	
+	@Override
+	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {    	
+		View view = inflater.inflate(R.layout.article_pager, container, false);
+	
+		if (savedInstanceState != null) {
+			m_articleId = savedInstanceState.getInt("articleId", 0);
+			m_feedId = savedInstanceState.getInt("feedId", 0);
+			m_isCat = savedInstanceState.getBoolean("isCat", false);
+		}
+		
+		Log.d(TAG, "feed=" + m_feedId + "; iscat=" + m_isCat);
+		
+		m_cursor = createCursor();
+		
+		m_adapter = new PagerAdapter(getActivity().getSupportFragmentManager());
+		
+		int position = 0;
+		
+		Log.d(TAG, "maId=" + m_articleId);
+		
+		if (m_articleId != 0) {
+			if (m_cursor.moveToFirst()) {
+				
+				while (!m_cursor.isAfterLast()) {
+					if (m_cursor.getInt(m_cursor.getColumnIndex(BaseColumns._ID)) == m_articleId) {
+						position = m_cursor.getPosition();
+						break;
+					}				
+					m_cursor.moveToNext();
+				}
+				
+				Log.d(TAG, "(1)maId=" + m_articleId);
+				m_listener.onArticleSelected(m_articleId, false);
+			}
+		} else {
+			if (m_cursor.moveToFirst()) {
+				m_articleId = m_cursor.getInt(m_cursor.getColumnIndex(BaseColumns._ID));
+				m_listener.onArticleSelected(m_articleId, false);
+				
+				Log.d(TAG, "(2)maId=" + m_articleId);
+			}
+		}
+		
+		
+		ViewPager pager = (ViewPager) view.findViewById(R.id.article_pager);
+		
+		pager.setAdapter(m_adapter);
+		
+		UnderlinePageIndicator indicator = (UnderlinePageIndicator)view.findViewById(R.id.article_titles);
+		indicator.setViewPager(pager);
+		
+		pager.setCurrentItem(position);
+		indicator.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
+
+			@Override
+			public void onPageScrollStateChanged(int arg0) {
+			}
+
+			@Override
+			public void onPageScrolled(int arg0, float arg1, int arg2) {
+			}
+
+			@Override
+			public void onPageSelected(int position) {
+				if (m_cursor.moveToPosition(position)) {
+					int articleId = m_cursor.getInt(m_cursor.getColumnIndex(BaseColumns._ID));
+					
+					m_articleId = articleId;
+					m_listener.onArticleSelected(articleId, false);
+				}
+			}
+		});
+
+		return view;
+	}
+	
+	@Override
+	public void onAttach(Activity activity) {
+		super.onAttach(activity);		
+		
+		m_activity = (OfflineActivity)activity;
+		m_listener = (OfflineHeadlinesEventListener)activity;
+		
+		m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
+			
+	}
+	
+	public void refresh() {
+		if (m_cursor != null && !m_cursor.isClosed()) m_cursor.close();
+		
+		m_cursor = createCursor();
+		
+		if (m_cursor != null) {
+			m_adapter.notifyDataSetChanged();
+		}
+	}
+
+	public int getSelectedArticleId() {
+		return m_articleId;
+	}
+
+	@Override
+	public void onSaveInstanceState(Bundle out) {
+		super.onSaveInstanceState(out);
+		
+		out.putInt("articleId", m_articleId);
+		out.putInt("feedId", m_feedId);
+		out.putBoolean("isCat", m_isCat);
+		
+	}
+
+	public void setSearchQuery(String searchQuery) {
+		m_searchQuery = searchQuery;
+	}
+
+	public void setArticleId(int articleId) {
+		m_articleId = articleId;		
+		
+		int position = getArticleIdPosition(articleId);
+		
+		ViewPager pager = (ViewPager) getView().findViewById(R.id.article_pager);
+		
+		pager.setCurrentItem(position);
+		
+	}
+	
+	public int getArticleIdPosition(int articleId) {
+		m_cursor.moveToFirst();
+		
+		while (!m_cursor.isAfterLast()) {
+			if (m_cursor.getInt(m_cursor.getColumnIndex(BaseColumns._ID)) == articleId) {
+				return m_cursor.getPosition();
+			}				
+			m_cursor.moveToNext();
+		}
+		
+		return -1;
+	}
+
+	public void selectArticle(boolean next) {
+		int position = getArticleIdPosition(m_articleId);
+		
+		if (position != -1) {
+			if (next) 
+				position++;
+			else
+				position--;
+	
+			Log.d(TAG, "pos=" + position);
+			
+			if (m_cursor.moveToPosition(position)) {
+				setArticleId(m_cursor.getInt(m_cursor.getColumnIndex(BaseColumns._ID)));			
+			}
+		}
+	}
+}