add loading progressbars to feeds/cats fragments

replace open parent button with a more familiar to msdos users ".." mnemonic near the listview top

org.fox.ttrss/src/main/java/org/fox/ttrss/FeedCategoriesFragment.java

@@ -235,6 +235,9 @@ public class FeedCategoriesFragment extends Fragment implements OnItemClickListe
 		list.setOnItemClickListener(this);
 		registerForContextMenu(list);
 
+        View loadingBar = (View) view.findViewById(R.id.feeds_loading_bar);
+        loadingBar.setVisibility(View.VISIBLE);
+
 		//m_activity.m_pullToRefreshAttacher.addRefreshableView(list, this);
 		
 		return view; 
@@ -332,6 +335,12 @@ public class FeedCategoriesFragment extends Fragment implements OnItemClickListe
 				if (list != null) {
 					list.setEmptyView(getView().findViewById(R.id.no_feeds));
 				}
+
+                View loadingBar = getView().findViewById(R.id.feeds_loading_bar);
+
+                if (loadingBar != null) {
+                    loadingBar.setVisibility(View.GONE);
+                }
             }
 			
 			if (result != null) {

org.fox.ttrss/src/main/java/org/fox/ttrss/FeedsActivity.java

@@ -296,14 +296,6 @@ public class FeedsActivity extends OnlineActivity implements HeadlinesEventListe
 
 	@Override
 	public boolean onOptionsItemSelected(MenuItem item) {
-
-        if (item.getItemId() == android.R.id.home && getSupportFragmentManager().getBackStackEntryCount() > 0) {
-            if (m_drawerLayout != null && m_drawerLayout.isDrawerOpen(Gravity.START)) {
-                getSupportFragmentManager().popBackStack();
-                return true;
-            }
-        }
-
         if (m_drawerToggle != null && m_drawerToggle.onOptionsItemSelected(item)) {
             return true;
         }

org.fox.ttrss/src/main/java/org/fox/ttrss/FeedsFragment.java

@@ -31,7 +31,6 @@ import android.widget.AdapterView;
 import android.widget.AdapterView.AdapterContextMenuInfo;
 import android.widget.AdapterView.OnItemClickListener;
 import android.widget.ArrayAdapter;
-import android.widget.Button;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.ListView;
@@ -297,7 +296,7 @@ public class FeedsFragment extends Fragment implements OnItemClickListener, OnSh
 	            android.R.color.holo_orange_dark);
 	    }
 
-        Button parentBtn = (Button) view.findViewById(R.id.open_parent);
+        /* Button parentBtn = (Button) view.findViewById(R.id.open_parent);
 
         if (parentBtn != null) {
             if (m_enableParentBtn) {
@@ -310,9 +309,26 @@ public class FeedsFragment extends Fragment implements OnItemClickListener, OnSh
             } else {
                 parentBtn.setVisibility(View.GONE);
             }
-        }
+        } */
 
 		ListView list = (ListView)view.findViewById(R.id.feeds);
+
+        if (m_enableParentBtn) {
+            View layout = inflater.inflate(R.layout.feeds_goback, container, false);
+
+            layout.setLayoutParams(new ListView.LayoutParams(ListView.LayoutParams.MATCH_PARENT,
+                    ListView.LayoutParams.WRAP_CONTENT));
+
+            layout.setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View view) {
+                    m_activity.getSupportFragmentManager().popBackStack();
+                }
+            });
+
+            list.addHeaderView(layout, null, false);
+        }
+
         m_adapter = new FeedListAdapter(getActivity(), R.layout.feeds_row, (ArrayList<Feed>)m_feeds);
 		list.setAdapter(m_adapter);
 		//list.setEmptyView(view.findViewById(R.id.no_feeds));
@@ -322,6 +338,9 @@ public class FeedsFragment extends Fragment implements OnItemClickListener, OnSh
 		
 		m_enableFeedIcons = m_prefs.getBoolean("download_feed_icons", false);
 
+        View loadingBar = (View) view.findViewById(R.id.feeds_loading_bar);
+        loadingBar.setVisibility(View.VISIBLE);
+
         //Log.d(TAG, "mpTRA=" + m_activity.m_pullToRefreshAttacher);
 		//m_activity.m_pullToRefreshAttacher.addRefreshableView(list, this);
 		
@@ -517,6 +536,12 @@ public class FeedsFragment extends Fragment implements OnItemClickListener, OnSh
 				if (list != null) {
 					list.setEmptyView(getView().findViewById(R.id.no_feeds));
 				}
+
+                View loadingBar = getView().findViewById(R.id.feeds_loading_bar);
+
+                if (loadingBar != null) {
+                    loadingBar.setVisibility(View.GONE);
+                }
             }
 			
             if (m_swipeLayout != null) m_swipeLayout.setRefreshing(false);
@@ -569,6 +594,7 @@ public class FeedsFragment extends Fragment implements OnItemClickListener, OnSh
 
 		public static final int VIEW_NORMAL = 0;
 		public static final int VIEW_SELECTED = 1;
+        //public static final int VIEW_GOBACK = 2;
 		
 		public static final int VIEW_COUNT = VIEW_SELECTED+1;
 
@@ -585,7 +611,9 @@ public class FeedsFragment extends Fragment implements OnItemClickListener, OnSh
 		public int getItemViewType(int position) {
 			Feed feed = items.get(position);
 
-			if (m_selectedFeed != null && feed.id == m_selectedFeed.id) {
+            /* if (m_enableParentBtn && position == 0) {
+                return VIEW_GOBACK;
+            } else */ if (m_selectedFeed != null && feed.id == m_selectedFeed.id) {
 				return VIEW_SELECTED;
 			} else {
 				return VIEW_NORMAL;				
@@ -602,6 +630,8 @@ public class FeedsFragment extends Fragment implements OnItemClickListener, OnSh
 				int layoutId = R.layout.feeds_row;
 				
 				switch (getItemViewType(position)) {
+                /* case VIEW_GOBACK:
+                    layoutId = R.layout.feeds_goback; */
 				case VIEW_SELECTED:
 					layoutId = R.layout.feeds_row_selected;
 					break;

org.fox.ttrss/src/main/java/org/fox/ttrss/offline/OfflineFeedsActivity.java

@@ -130,9 +130,6 @@ public class OfflineFeedsActivity extends OfflineActivity implements OfflineHead
         }
 
     	switch (item.getItemId()) {
-		case android.R.id.home:
-            //getSupportFragmentManager().popBackStack();
-			return true;
         case R.id.headlines_toggle_sort_order:
             /* SharedPreferences.Editor editor = m_prefs.edit();
             editor.putBoolean("offline_oldest_first", !m_prefs.getBoolean("offline_oldest_first", false));

org.fox.ttrss/src/main/java/org/fox/ttrss/offline/OfflineFeedsFragment.java

@@ -25,7 +25,6 @@ import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.AdapterView.AdapterContextMenuInfo;
 import android.widget.AdapterView.OnItemClickListener;
-import android.widget.Button;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.ListView;
@@ -172,21 +171,6 @@ public class OfflineFeedsFragment extends Fragment implements OnItemClickListene
                     android.R.color.holo_orange_dark);
         }
 
-        Button parentBtn = (Button) view.findViewById(R.id.open_parent);
-
-        if (parentBtn != null) {
-            if (m_enableParentBtn) {
-                parentBtn.setOnClickListener(new OnClickListener() {
-                    @Override
-                    public void onClick(View view) {
-                        m_activity.getSupportFragmentManager().popBackStack();
-                    }
-                });
-            } else {
-                parentBtn.setVisibility(View.GONE);
-            }
-        }
-
 		ListView list = (ListView)view.findViewById(R.id.feeds);
 		
 		m_cursor = createCursor();

org.fox.ttrss/src/main/res/layout/cats_fragment.xml

@@ -29,4 +29,12 @@
         android:visibility="invisible" >
     </TextView>
 
+    <ProgressBar
+        style="?android:attr/progressBarStyleLarge"
+        android:visibility="gone"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:id="@+id/feeds_loading_bar"
+        android:layout_gravity="center" />
+
 </FrameLayout>

org.fox.ttrss/src/main/res/layout/feeds_fragment.xml

@@ -1,15 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/feeds_fragment"
-    android:layout_width="match_parent"
+    android:layout_width="fill_parent"
-    android:orientation="vertical"
     android:layout_height="fill_parent" >
 
     <android.support.v4.widget.SwipeRefreshLayout 
     	android:id="@+id/feeds_swipe_container"
     	android:layout_width="match_parent"
-    	android:layout_height="match_parent"
+    	android:layout_height="match_parent">
-        android:layout_weight="1">
 
 	    <ListView
 	        android:id="@+id/feeds"
@@ -21,15 +19,6 @@
 	    </ListView>
     </android.support.v4.widget.SwipeRefreshLayout>
 
-    <Button
-        style="?android:attr/buttonStyleSmall"
-        android:background="?parentBtnBackground"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="@string/open_parent"
-        android:layout_weight="0"
-        android:id="@+id/open_parent" />
-
     <TextView
         android:id="@+id/no_feeds"
         android:layout_width="wrap_content"
@@ -40,4 +29,11 @@
         android:visibility="gone" >
     </TextView>
 
-</LinearLayout>
+    <ProgressBar
+        style="?android:attr/progressBarStyleLarge"
+        android:visibility="gone"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:id="@+id/feeds_loading_bar"
+        android:layout_gravity="center" />
+</FrameLayout>

org.fox.ttrss/src/main/res/layout/feeds_goback.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/feeds_row"
+    android:layout_width="match_parent"
+    android:layout_height="?android:attr/listPreferredItemHeight"
+    android:descendantFocusability="blocksDescendants"
+    android:paddingLeft="16dp"
+    android:paddingRight="16dp"
+    android:paddingTop="8dp"
+    android:paddingBottom="8dp"
+    android:baselineAligned="true"
+    android:gravity="center_vertical"
+    android:orientation="horizontal">
+
+    <ImageView
+        android:id="@+id/icon"
+        android:layout_gravity="center_vertical"
+        android:layout_width="16dp"
+        android:layout_height="16dp"
+        android:layout_weight="0"
+        android:scaleType="fitXY"
+        android:visibility="invisible"
+        android:src="@drawable/ic_unpublished" />
+
+    <TextView
+        android:fontFamily="sans-serif-light"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="center_vertical"
+        android:layout_weight="1"
+        android:ellipsize="end"
+        android:paddingLeft="16dp"
+        android:singleLine="true"
+        android:text=".."
+        android:paddingBottom="2dp"
+        android:textColor="?feedlistTextColor"
+        android:textSize="18sp" />
+
+</LinearLayout>