From 216eecc96a916568b3db5c5bb9a9083789cd262b Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Tue, 28 May 2013 12:55:21 +0400
Subject: [PATCH] add fancy animations for headlines list

---
 res/anim/headline_item.xml                    | 14 ++++++
 res/anim/layout_headline.xml                  |  5 ++
 res/layout/headlines_fragment.xml             | 46 ++++++++++++++-----
 src/org/fox/ttrss/HeadlinesFragment.java      | 25 ++++++++++
 .../offline/OfflineHeadlinesFragment.java     | 24 ++++++++++
 5 files changed, 102 insertions(+), 12 deletions(-)
 create mode 100644 res/anim/headline_item.xml
 create mode 100644 res/anim/layout_headline.xml

diff --git a/res/anim/headline_item.xml b/res/anim/headline_item.xml
new file mode 100644
index 00000000..dbb60d23
--- /dev/null
+++ b/res/anim/headline_item.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android" android:interpolator="@android:anim/accelerate_interpolator">
+    <alpha
+        android:fromAlpha="0"
+        android:toAlpha="1"
+        android:duration="250"
+    />
+    <translate
+        android:fromXDelta="100%p"
+        android:toXDelta="0"
+        android:duration="250"
+    />
+</set>
+
diff --git a/res/anim/layout_headline.xml b/res/anim/layout_headline.xml
new file mode 100644
index 00000000..07b84d11
--- /dev/null
+++ b/res/anim/layout_headline.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layoutAnimation xmlns:android="http://schemas.android.com/apk/res/android" 
+    android:delay="20%"
+    android:animation="@anim/headline_item"
+/>
\ No newline at end of file
diff --git a/res/layout/headlines_fragment.xml b/res/layout/headlines_fragment.xml
index 787a8c8d..58fa6694 100644
--- a/res/layout/headlines_fragment.xml
+++ b/res/layout/headlines_fragment.xml
@@ -1,17 +1,39 @@
-<?xml version="1.0" encoding="utf-8" ?>
-
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/headlines_fragment"
     android:layout_width="fill_parent"
     android:layout_height="fill_parent"
     android:paddingLeft="5dp" >
-
-    <ListView android:layout_height="match_parent" android:layout_width="match_parent" android:id="@+id/headlines"></ListView>
-    <LinearLayout android:id="@+id/loading_container" android:gravity="center" android:layout_height="match_parent" android:layout_width="match_parent">
-        <TextView android:layout_width="wrap_content" android:textAppearance="?android:attr/textAppearanceLarge" android:id="@+id/loading_message" android:layout_height="wrap_content" ></TextView>
+
+    <ListView
+        android:id="@+id/headlines"
+        android:layout_width="match_parent"
+        android:layoutAnimation="@anim/layout_headline"
+        android:layout_height="match_parent" >
+    </ListView>
+
+    <LinearLayout
+        android:id="@+id/loading_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center" >
+
+        <TextView
+            android:id="@+id/loading_message"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="?android:attr/textAppearanceLarge" >
+        </TextView>
     </LinearLayout>
-         <TextView android:id="@+id/no_headlines"
-     	android:visibility="invisible"    	
-    	android:layout_gravity="center" 
-    	android:textAppearance="?android:attr/textAppearanceLarge" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/no_headlines"></TextView>
-        
-    </FrameLayout>
+
+    <TextView
+        android:id="@+id/no_headlines"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:text="@string/no_headlines"
+        android:textAppearance="?android:attr/textAppearanceLarge"
+        android:visibility="invisible" >
+    </TextView>
+
+</FrameLayout>
\ No newline at end of file
diff --git a/src/org/fox/ttrss/HeadlinesFragment.java b/src/org/fox/ttrss/HeadlinesFragment.java
index 7befaf9a..6ad805cc 100644
--- a/src/org/fox/ttrss/HeadlinesFragment.java
+++ b/src/org/fox/ttrss/HeadlinesFragment.java
@@ -34,6 +34,11 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
+import android.view.animation.AlphaAnimation;
+import android.view.animation.Animation;
+import android.view.animation.AnimationSet;
+import android.view.animation.LayoutAnimationController;
+import android.view.animation.TranslateAnimation;
 import android.widget.AbsListView;
 import android.widget.AbsListView.OnScrollListener;
 import android.widget.AdapterView;
@@ -267,6 +272,26 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
 
 		ListView list = (ListView)view.findViewById(R.id.headlines);		
 		m_adapter = new ArticleListAdapter(getActivity(), R.layout.headlines_row, (ArrayList<Article>)m_articles);
+		
+		/* if (!m_activity.isCompatMode()) {
+			AnimationSet set = new AnimationSet(true);
+	
+		    Animation animation = new AlphaAnimation(0.0f, 1.0f);
+		    animation.setDuration(500);
+		    set.addAnimation(animation);
+	
+		    animation = new TranslateAnimation(
+		        Animation.RELATIVE_TO_SELF, 50.0f,Animation.RELATIVE_TO_SELF, 0.0f,
+		        Animation.RELATIVE_TO_SELF, 0.0f,Animation.RELATIVE_TO_SELF, 0.0f
+		    );
+		    animation.setDuration(1000);
+		    set.addAnimation(animation);
+	
+		    LayoutAnimationController controller = new LayoutAnimationController(set, 0.5f);
+	
+		    list.setLayoutAnimation(controller);
+		} */
+		
 		list.setAdapter(m_adapter);
 		list.setOnItemClickListener(this);
 		list.setOnScrollListener(this);
diff --git a/src/org/fox/ttrss/offline/OfflineHeadlinesFragment.java b/src/org/fox/ttrss/offline/OfflineHeadlinesFragment.java
index e89d01f4..242d7a16 100644
--- a/src/org/fox/ttrss/offline/OfflineHeadlinesFragment.java
+++ b/src/org/fox/ttrss/offline/OfflineHeadlinesFragment.java
@@ -33,6 +33,11 @@ import android.view.LayoutInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
+import android.view.animation.AlphaAnimation;
+import android.view.animation.Animation;
+import android.view.animation.AnimationSet;
+import android.view.animation.LayoutAnimationController;
+import android.view.animation.TranslateAnimation;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.AdapterView.AdapterContextMenuInfo;
@@ -279,6 +284,25 @@ public class OfflineHeadlinesFragment extends Fragment implements OnItemClickLis
 		m_adapter = new ArticleListAdapter(getActivity(), R.layout.headlines_row, m_cursor,
 				new String[] { "title" }, new int[] { R.id.title }, 0);
 		
+		/* if (!m_activity.isCompatMode()) {
+			AnimationSet set = new AnimationSet(true);
+	
+		    Animation animation = new AlphaAnimation(0.0f, 1.0f);
+		    animation.setDuration(500);
+		    set.addAnimation(animation);
+	
+		    animation = new TranslateAnimation(
+		        Animation.RELATIVE_TO_SELF, 50.0f,Animation.RELATIVE_TO_SELF, 0.0f,
+		        Animation.RELATIVE_TO_SELF, 0.0f,Animation.RELATIVE_TO_SELF, 0.0f
+		    );
+		    animation.setDuration(1000);
+		    set.addAnimation(animation);
+	
+		    LayoutAnimationController controller = new LayoutAnimationController(set, 0.5f);
+	
+		    list.setLayoutAnimation(controller);
+		} */
+		
 		list.setAdapter(m_adapter);
 		list.setOnItemClickListener(this);
 		list.setEmptyView(view.findViewById(R.id.no_headlines));