separate FAB management in a helper class

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

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java b/app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java
index d0517b8a481271b8f53f5b0af901eb2054f52702..c4d5c24a9f38016ac413373fa8e3eb5c74827874 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java
@@ -17,6 +17,7 @@
 
 package net.ktnx.mobileledger.ui.activity;
 
+import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.content.pm.ShortcutInfo;
@@ -52,6 +53,7 @@ import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
 import net.ktnx.mobileledger.databinding.ActivityMainBinding;
 import net.ktnx.mobileledger.model.Data;
 import net.ktnx.mobileledger.model.MobileLedgerProfile;
+import net.ktnx.mobileledger.ui.FabManager;
 import net.ktnx.mobileledger.ui.MainModel;
 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
 import net.ktnx.mobileledger.ui.new_transaction.NewTransactionActivity;
@@ -74,10 +76,12 @@ import java.util.Objects;
  * TODO: reports
  *  */
 
-public class MainActivity extends ProfileThemedActivity {
+public class MainActivity extends ProfileThemedActivity implements FabManager.FabHandler {
     public static final String STATE_CURRENT_PAGE = "current_page";
     public static final String BUNDLE_SAVED_STATE = "bundle_savedState";
     public static final String STATE_ACC_FILTER = "account_filter";
+    private static final boolean FAB_HIDDEN = false;
+    private static final boolean FAB_SHOWN = true;
     private SectionsPagerAdapter mSectionsPagerAdapter;
     private ProfilesRecyclerViewAdapter mProfileListAdapter;
     private int mCurrentPage;
@@ -88,6 +92,8 @@ public class MainActivity extends ProfileThemedActivity {
     private MobileLedgerProfile profile;
     private MainModel mainModel;
     private ActivityMainBinding b;
+    private int fabVerticalOffset;
+    private FabManager fabManager;
     @Override
     protected void onStart() {
         super.onStart();
@@ -247,6 +253,8 @@ public class MainActivity extends ProfileThemedActivity {
             mProfileListAdapter.notifyDataSetChanged();
         });
 
+        fabManager = new FabManager(b.btnAddTransaction);
+
         LinearLayoutManager llm = new LinearLayoutManager(this);
 
         llm.setOrientation(RecyclerView.VERTICAL);
@@ -262,7 +270,7 @@ public class MainActivity extends ProfileThemedActivity {
                 @Override
                 public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {
                     if (slideOffset > 0.2)
-                        fabHide();
+                        fabManager.hideFab();
                 }
                 @Override
                 public void onDrawerClosed(View drawerView) {
@@ -277,7 +285,7 @@ public class MainActivity extends ProfileThemedActivity {
                     super.onDrawerOpened(drawerView);
                     mProfileListAdapter.setAnimationsEnabled(true);
                     Data.drawerOpen.setValue(true);
-                    fabHide();
+                    fabManager.hideFab();
                 }
             };
             b.drawerLayout.addDrawerListener(drawerListener);
@@ -631,14 +639,20 @@ public class MainActivity extends ProfileThemedActivity {
     }
     public void fabShouldShow() {
         if ((profile != null) && profile.isPostingPermitted() && !b.drawerLayout.isOpen())
-            b.btnAddTransaction.show();
-        else
-            fabHide();
+            fabManager.showFab();
     }
-    public void fabHide() {
-        b.btnAddTransaction.hide();
+    @Override
+    public Context getContext() {
+        return this;
+    }
+    @Override
+    public void showManagedFab() {
+        fabShouldShow();
+    }
+    @Override
+    public void hideManagedFab() {
+        fabManager.hideFab();
     }
-
     public static class SectionsPagerAdapter extends FragmentStateAdapter {
 
         public SectionsPagerAdapter(@NonNull FragmentActivity fragmentActivity) {