From 00006f67e51b9c07f734d6bd7b723fd30e281bb8 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Wed, 8 May 2019 11:45:36 +0200
Subject: [PATCH] Added fast scroll to message list

---
 .../java/eu/faircode/email/FixedRecyclerView.java   |  1 -
 .../java/eu/faircode/email/FragmentMessages.java    |  8 ++++++++
 app/src/main/res/drawable/fast_scroll_thumb.xml     | 13 +++++++++++++
 app/src/main/res/drawable/fast_scroll_track.xml     |  5 +++++
 app/src/main/res/layout/fragment_messages.xml       |  7 +++++++
 5 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 app/src/main/res/drawable/fast_scroll_thumb.xml
 create mode 100644 app/src/main/res/drawable/fast_scroll_track.xml

diff --git a/app/src/main/java/eu/faircode/email/FixedRecyclerView.java b/app/src/main/java/eu/faircode/email/FixedRecyclerView.java
index 04700914f3..38d4114fb9 100644
--- a/app/src/main/java/eu/faircode/email/FixedRecyclerView.java
+++ b/app/src/main/java/eu/faircode/email/FixedRecyclerView.java
@@ -75,5 +75,4 @@ public class FixedRecyclerView extends RecyclerView {
             return false;
         }
     }
-
 }
diff --git a/app/src/main/java/eu/faircode/email/FragmentMessages.java b/app/src/main/java/eu/faircode/email/FragmentMessages.java
index a9b72db45e..f28d91a20e 100644
--- a/app/src/main/java/eu/faircode/email/FragmentMessages.java
+++ b/app/src/main/java/eu/faircode/email/FragmentMessages.java
@@ -446,6 +446,14 @@ public class FragmentMessages extends FragmentBase {
 
         rvMessage.setAdapter(adapter);
 
+        rvMessage.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(@NonNull RecyclerView rv, int dx, int dy) {
+                int pos = (rv.getChildCount() == 0 ? 0 : rv.getChildAt(0).getTop());
+                swipeRefresh.setEnabled(pull && pos >= 0);
+            }
+        });
+
         seekBar.setOnTouchListener(new View.OnTouchListener() {
             @Override
             public boolean onTouch(View v, MotionEvent event) {
diff --git a/app/src/main/res/drawable/fast_scroll_thumb.xml b/app/src/main/res/drawable/fast_scroll_thumb.xml
new file mode 100644
index 0000000000..bfaec33123
--- /dev/null
+++ b/app/src/main/res/drawable/fast_scroll_thumb.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true">
+        <shape android:shape="rectangle">
+            <solid android:color="?android:attr/colorAccent" />
+        </shape>
+    </item>
+    <item>
+        <shape android:shape="rectangle">
+            <solid android:color="?android:attr/colorPrimary" />
+        </shape>
+    </item>
+</selector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/fast_scroll_track.xml b/app/src/main/res/drawable/fast_scroll_track.xml
new file mode 100644
index 0000000000..45fb96ff69
--- /dev/null
+++ b/app/src/main/res/drawable/fast_scroll_track.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="?colorSeparator" />
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_messages.xml b/app/src/main/res/layout/fragment_messages.xml
index 43f273b386..aae51fec68 100644
--- a/app/src/main/res/layout/fragment_messages.xml
+++ b/app/src/main/res/layout/fragment_messages.xml
@@ -150,7 +150,14 @@
                 android:clipToPadding="false"
                 android:paddingBottom="90dp"
                 android:scrollbarStyle="outsideOverlay"
+                android:scrollbarThumbVertical="@drawable/fast_scroll_thumb"
+                android:scrollbarTrackVertical="@drawable/fast_scroll_track"
                 android:scrollbars="vertical"
+                app:fastScrollEnabled="true"
+                app:fastScrollHorizontalThumbDrawable="@drawable/fast_scroll_thumb"
+                app:fastScrollHorizontalTrackDrawable="@drawable/fast_scroll_track"
+                app:fastScrollVerticalThumbDrawable="@drawable/fast_scroll_thumb"
+                app:fastScrollVerticalTrackDrawable="@drawable/fast_scroll_track"
                 app:layout_constraintBottom_toTopOf="@+id/bottom_navigation"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintStart_toStartOf="parent"