[Android] Fix refresh triggered on crolling up

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Sat Nov  5 19:56:15 2016 +0100| [fd9bf620d4d1947222c2b7121f546704c9db12f5] | committer: Geoffrey Métais

Fix refresh triggered on crolling up

> https://code.videolan.org/videolan/vlc-android/commit/fd9bf620d4d1947222c2b7121f546704c9db12f5
---

 vlc-android/src/org/videolan/vlc/gui/HistoryFragment.java            | 4 +---
 .../src/org/videolan/vlc/gui/audio/AudioAlbumsSongsFragment.java     | 4 +---
 vlc-android/src/org/videolan/vlc/gui/audio/AudioBrowserFragment.java | 5 ++---
 .../src/org/videolan/vlc/gui/browser/BaseBrowserFragment.java        | 4 +---
 vlc-android/src/org/videolan/vlc/gui/browser/ExtensionBrowser.java   | 4 +---
 vlc-android/src/org/videolan/vlc/gui/video/VideoGridFragment.java    | 5 ++---
 6 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/vlc-android/src/org/videolan/vlc/gui/HistoryFragment.java b/vlc-android/src/org/videolan/vlc/gui/HistoryFragment.java
index c5a9375..ae1a200 100644
--- a/vlc-android/src/org/videolan/vlc/gui/HistoryFragment.java
+++ b/vlc-android/src/org/videolan/vlc/gui/HistoryFragment.java
@@ -94,9 +94,7 @@ public class HistoryFragment extends MediaBrowserFragment implements IRefreshabl
 
         @Override
         public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
-            int topRowVerticalPosition =
-                    (recyclerView == null || recyclerView.getChildCount() == 0) ? 0 : recyclerView.getChildAt(0).getTop();
-            mSwipeRefreshLayout.setEnabled(topRowVerticalPosition >= 0);
+            mSwipeRefreshLayout.setEnabled(((LinearLayoutManager)recyclerView.getLayoutManager()).findFirstVisibleItemPosition() >= 0);
         }
     };
 
diff --git a/vlc-android/src/org/videolan/vlc/gui/audio/AudioAlbumsSongsFragment.java b/vlc-android/src/org/videolan/vlc/gui/audio/AudioAlbumsSongsFragment.java
index ae7bd73..4e1e779 100644
--- a/vlc-android/src/org/videolan/vlc/gui/audio/AudioAlbumsSongsFragment.java
+++ b/vlc-android/src/org/videolan/vlc/gui/audio/AudioAlbumsSongsFragment.java
@@ -162,9 +162,7 @@ public class AudioAlbumsSongsFragment extends MediaBrowserFragment implements Sw
 
         @Override
         public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
-            int topRowVerticalPosition =
-                    (recyclerView == null || recyclerView.getChildCount() == 0) ? 0 : recyclerView.getChildAt(0).getTop();
-            mSwipeRefreshLayout.setEnabled(topRowVerticalPosition >= 0);
+            mSwipeRefreshLayout.setEnabled(((LinearLayoutManager)recyclerView.getLayoutManager()).findFirstVisibleItemPosition() >= 0);
         }
     };
 
diff --git a/vlc-android/src/org/videolan/vlc/gui/audio/AudioBrowserFragment.java b/vlc-android/src/org/videolan/vlc/gui/audio/AudioBrowserFragment.java
index f8b1db2..3fabb4d 100644
--- a/vlc-android/src/org/videolan/vlc/gui/audio/AudioBrowserFragment.java
+++ b/vlc-android/src/org/videolan/vlc/gui/audio/AudioBrowserFragment.java
@@ -45,6 +45,7 @@ import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Filter;
+import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import org.videolan.libvlc.Media;
@@ -217,9 +218,7 @@ public class AudioBrowserFragment extends MediaBrowserFragment implements Device
 
         @Override
         public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
-            int topRowVerticalPosition =
-                    (recyclerView == null || recyclerView.getChildCount() == 0) ? 0 : recyclerView.getChildAt(0).getTop();
-            mSwipeRefreshLayout.setEnabled(topRowVerticalPosition >= 0);
+            mSwipeRefreshLayout.setEnabled(((LinearLayoutManager)recyclerView.getLayoutManager()).findFirstVisibleItemPosition() >= 0);
         }
     };
 
diff --git a/vlc-android/src/org/videolan/vlc/gui/browser/BaseBrowserFragment.java b/vlc-android/src/org/videolan/vlc/gui/browser/BaseBrowserFragment.java
index d33fc4f..a4328e3 100644
--- a/vlc-android/src/org/videolan/vlc/gui/browser/BaseBrowserFragment.java
+++ b/vlc-android/src/org/videolan/vlc/gui/browser/BaseBrowserFragment.java
@@ -283,9 +283,7 @@ public abstract class BaseBrowserFragment extends MediaBrowserFragment implement
 
         @Override
         public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
-            int topRowVerticalPosition =
-                    (recyclerView == null || recyclerView.getChildCount() == 0) ? 0 : recyclerView.getChildAt(0).getTop();
-            mSwipeRefreshLayout.setEnabled(topRowVerticalPosition >= 0);
+            mSwipeRefreshLayout.setEnabled(((LinearLayoutManager)recyclerView.getLayoutManager()).findFirstVisibleItemPosition() >= 0);
         }
     };
 
diff --git a/vlc-android/src/org/videolan/vlc/gui/browser/ExtensionBrowser.java b/vlc-android/src/org/videolan/vlc/gui/browser/ExtensionBrowser.java
index 3aa33af..918c239 100644
--- a/vlc-android/src/org/videolan/vlc/gui/browser/ExtensionBrowser.java
+++ b/vlc-android/src/org/videolan/vlc/gui/browser/ExtensionBrowser.java
@@ -178,9 +178,7 @@ public class ExtensionBrowser extends Fragment implements View.OnClickListener,
 
         @Override
         public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
-            int topRowVerticalPosition =
-                    (recyclerView == null || recyclerView.getChildCount() == 0) ? 0 : recyclerView.getChildAt(0).getTop();
-            mSwipeRefreshLayout.setEnabled(topRowVerticalPosition >= 0);
+            mSwipeRefreshLayout.setEnabled(((LinearLayoutManager)recyclerView.getLayoutManager()).findFirstVisibleItemPosition() >= 0);
         }
     };
 
diff --git a/vlc-android/src/org/videolan/vlc/gui/video/VideoGridFragment.java b/vlc-android/src/org/videolan/vlc/gui/video/VideoGridFragment.java
index ea801ff..40cc7cb 100644
--- a/vlc-android/src/org/videolan/vlc/gui/video/VideoGridFragment.java
+++ b/vlc-android/src/org/videolan/vlc/gui/video/VideoGridFragment.java
@@ -32,6 +32,7 @@ import android.preference.PreferenceManager;
 import android.support.annotation.MainThread;
 import android.support.design.widget.BottomSheetDialogFragment;
 import android.support.v4.content.LocalBroadcastManager;
+import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.util.DisplayMetrics;
 import android.util.Log;
@@ -443,9 +444,7 @@ public class VideoGridFragment extends MediaBrowserFragment implements MediaUpda
 
         @Override
         public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
-            int topRowVerticalPosition =
-                    (recyclerView == null || recyclerView.getChildCount() == 0) ? 0 : recyclerView.getChildAt(0).getTop();
-            mSwipeRefreshLayout.setEnabled(topRowVerticalPosition >= 0);
+            mSwipeRefreshLayout.setEnabled(((LinearLayoutManager)recyclerView.getLayoutManager()).findFirstVisibleItemPosition() >= 0);
         }
     };