drop unused/unneeded variables

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / ui / MobileLedgerListFragment.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/MobileLedgerListFragment.java b/app/src/main/java/net/ktnx/mobileledger/ui/MobileLedgerListFragment.java
index 85593a2138b52b40831c5b716a1c3c92959debff..74247189649883fbb1be0c7012cf0f5980b8c804 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/ui/MobileLedgerListFragment.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/MobileLedgerListFragment.java
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2019 Damyan Ivanov.
+ * Copyright © 2020 Damyan Ivanov.
  * This file is part of MoLe.
  * MoLe is free software: you can distribute it and/or modify it
  * under the term of the GNU General Public License as published by
@@ -17,16 +17,74 @@
 
 package net.ktnx.mobileledger.ui;
 
+import android.view.MotionEvent;
+
+import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
-import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 import androidx.recyclerview.widget.RecyclerView;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 
 import net.ktnx.mobileledger.ui.activity.MainActivity;
 import net.ktnx.mobileledger.ui.transaction_list.TransactionListAdapter;
+import net.ktnx.mobileledger.utils.Colors;
+import net.ktnx.mobileledger.utils.DimensionUtils;
 
 public class MobileLedgerListFragment extends Fragment {
-    protected MainActivity mActivity;
-    public SwipeRefreshLayout swiper;
-    protected RecyclerView root;
+    public SwipeRefreshLayout refreshLayout;
     public TransactionListAdapter modelAdapter;
+    protected RecyclerView root;
+    @NonNull
+    public MainActivity getMainActivity() {
+        return (MainActivity) requireActivity();
+    }
+    protected void themeChanged(Integer counter) {
+        refreshLayout.setColorSchemeColors(Colors.getSwipeCircleColors());
+    }
+    public void onBackgroundTaskRunningChanged(Boolean isRunning) {
+        if (getActivity() == null)
+            return;
+        if (refreshLayout == null)
+            return;
+        refreshLayout.setRefreshing(isRunning);
+    }
+    protected void manageFabOnScroll() {
+        final MainActivity mainActivity = getMainActivity();
+        int triggerPixels = DimensionUtils.dp2px(mainActivity, 30f);
+        root.addOnItemTouchListener(new RecyclerView.OnItemTouchListener() {
+            private float upAnchor = -1;
+            private float lastY;
+            @Override
+            public boolean onInterceptTouchEvent(@NonNull RecyclerView rv, @NonNull MotionEvent e) {
+                switch (e.getActionMasked()) {
+                    case MotionEvent.ACTION_DOWN:
+                        lastY = upAnchor = e.getAxisValue(MotionEvent.AXIS_Y);
+                        break;
+                    case MotionEvent.ACTION_MOVE:
+                        final float currentY = e.getAxisValue(MotionEvent.AXIS_Y);
+                        if (currentY > lastY) {
+                            // swipe down
+                            upAnchor = lastY;
+
+                            mainActivity.fabShouldShow();
+                        }
+                        else {
+                            // swipe up
+                            if (currentY < upAnchor - triggerPixels)
+                                mainActivity.fabHide();
+                        }
+
+                        lastY = currentY;
+
+                        break;
+                }
+                return false;
+            }
+            @Override
+            public void onTouchEvent(@NonNull RecyclerView rv, @NonNull MotionEvent e) {
+            }
+            @Override
+            public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {
+            }
+        });
+    }
 }