From 3fd2afa44b414f859784a191cc4b0ddf3b91b9c9 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Wed, 18 Jan 2012 11:43:21 +0300
Subject: [PATCH] properly handle home button on actionbar in small screen mode

---
 src/org/fox/ttrss/MainActivity.java    | 67 ++++++++++++++------------
 src/org/fox/ttrss/OfflineActivity.java | 21 +++++---
 2 files changed, 51 insertions(+), 37 deletions(-)

diff --git a/src/org/fox/ttrss/MainActivity.java b/src/org/fox/ttrss/MainActivity.java
index 51c40e67..c60e7e66 100644
--- a/src/org/fox/ttrss/MainActivity.java
+++ b/src/org/fox/ttrss/MainActivity.java
@@ -754,6 +754,35 @@ public class MainActivity extends FragmentActivity implements OnlineServices {
 
 	@Override
 	public void onBackPressed() {
+		goBack(true);
+	}
+
+	private void closeCategory() {
+
+		findViewById(R.id.feeds_fragment).setVisibility(View.GONE);
+		findViewById(R.id.cats_fragment).setVisibility(View.VISIBLE);
+
+		m_activeCategory = null;
+
+		initMainMenu();
+		refreshCategories();
+	}
+	
+	private void deselectAllArticles() {
+		HeadlinesFragment hf = (HeadlinesFragment) getSupportFragmentManager()
+									.findFragmentById(R.id.headlines_fragment);
+
+		if (hf != null) {
+			ArticleList selected = hf.getSelectedArticles();
+			if (selected.size() > 0) {
+				selected.clear();
+				initMainMenu();
+				hf.notifyUpdated();
+			}
+		}
+	}
+	
+	private void goBack(boolean allowQuit) {
 		if (m_smallScreenMode) {
 			if (m_selectedArticle != null) {
 				closeArticle();
@@ -792,7 +821,7 @@ public class MainActivity extends FragmentActivity implements OnlineServices {
 
 				closeCategory();
 
-			} else {
+			} else if (allowQuit) {
 				finish();
 			}
 		} else {
@@ -800,37 +829,11 @@ public class MainActivity extends FragmentActivity implements OnlineServices {
 				closeArticle();
 			} else if (m_activeCategory != null) {
 				closeCategory();
-			} else {
+			} else if (allowQuit) {
 				finish();
 			}
 		}
 	}
-
-	private void closeCategory() {
-
-		findViewById(R.id.feeds_fragment).setVisibility(View.GONE);
-		findViewById(R.id.cats_fragment).setVisibility(View.VISIBLE);
-
-		m_activeCategory = null;
-
-		initMainMenu();
-		refreshCategories();
-	}
-	
-	private void deselectAllArticles() {
-		HeadlinesFragment hf = (HeadlinesFragment) getSupportFragmentManager()
-									.findFragmentById(R.id.headlines_fragment);
-
-		if (hf != null) {
-			ArticleList selected = hf.getSelectedArticles();
-			if (selected.size() > 0) {
-				selected.clear();
-				initMainMenu();
-				hf.notifyUpdated();
-			}
-		}
-	}
-	
 	
 	@SuppressWarnings("unchecked")
 	@Override
@@ -840,7 +843,7 @@ public class MainActivity extends FragmentActivity implements OnlineServices {
 
 		switch (item.getItemId()) {
 		case android.R.id.home:
-			closeArticle();
+			goBack(false);
 			return true;
 		case R.id.preferences:
 			Intent intent = new Intent(MainActivity.this,
@@ -1199,7 +1202,11 @@ public class MainActivity extends FragmentActivity implements OnlineServices {
 				}
 
 				if (!m_compatMode) {
-					getActionBar().setDisplayHomeAsUpEnabled(m_selectedArticle != null);
+					if (!m_smallScreenMode) {
+						getActionBar().setDisplayHomeAsUpEnabled(m_selectedArticle != null || m_activeCategory != null);
+					} else {
+						getActionBar().setDisplayHomeAsUpEnabled(m_selectedArticle != null || m_activeFeed != null || m_activeCategory != null);
+					}
 				}
 				
 				m_menu.findItem(R.id.set_labels).setEnabled(m_apiLevel >= 1);
diff --git a/src/org/fox/ttrss/OfflineActivity.java b/src/org/fox/ttrss/OfflineActivity.java
index ca69623c..730c6a3e 100644
--- a/src/org/fox/ttrss/OfflineActivity.java
+++ b/src/org/fox/ttrss/OfflineActivity.java
@@ -305,8 +305,7 @@ public class OfflineActivity extends FragmentActivity implements
 		}
 	}
 
-	@Override
-	public void onBackPressed() {
+	private void goBack(boolean allowQuit) {
 		if (m_smallScreenMode) {
 			if (m_selectedArticleId != 0) {
 				closeArticle();
@@ -332,17 +331,21 @@ public class OfflineActivity extends FragmentActivity implements
 				refreshViews();
 				initMainMenu();
 
-			} else {
+			} else if (allowQuit) {
 				finish();
 			}
 		} else {
 			if (m_selectedArticleId != 0) {
 				closeArticle();
-			} else {
+			} else if (allowQuit) {
 				finish();
 			}
 		}
-
+	}
+	
+	@Override
+	public void onBackPressed() {
+		goBack(true);
 	}
 
 	/*
@@ -426,7 +429,7 @@ public class OfflineActivity extends FragmentActivity implements
 
 		switch (item.getItemId()) {
 		case android.R.id.home:
-			closeArticle();
+			goBack(false);
 			return true;
 		case R.id.preferences:
 			Intent intent = new Intent(this, PreferencesActivity.class);
@@ -668,7 +671,11 @@ public class OfflineActivity extends FragmentActivity implements
 			}
 			
 			if (!m_compatMode) {
-				getActionBar().setDisplayHomeAsUpEnabled(m_selectedArticleId != 0);
+				if (!m_smallScreenMode) {
+					getActionBar().setDisplayHomeAsUpEnabled(m_selectedArticleId != 0);
+				} else {
+					getActionBar().setDisplayHomeAsUpEnabled(m_selectedArticleId != 0 || m_activeFeedId != 0);
+				}
 			}
 		}
 	}