From 450b47d6759c1ec244d71e9d80fda99d7e8be93d Mon Sep 17 00:00:00 2001
From: Gavriil Sitnikov <zuzuk666@gmail.com>
Date: Sat, 14 Nov 2015 22:31:32 +0300
Subject: [PATCH] scroll view saved state added

---
 .../requests/AbstractHttpRequest.java         |  4 +-
 .../ScrollViewSavedStateController.java       | 46 +++++++++++++++++++
 src/main/res/values/ids.xml                   |  1 +
 3 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/org/roboswag/components/savestate/ScrollViewSavedStateController.java

diff --git a/src/main/java/org/roboswag/components/requests/AbstractHttpRequest.java b/src/main/java/org/roboswag/components/requests/AbstractHttpRequest.java
index 442cf8b..aa687d2 100644
--- a/src/main/java/org/roboswag/components/requests/AbstractHttpRequest.java
+++ b/src/main/java/org/roboswag/components/requests/AbstractHttpRequest.java
@@ -136,7 +136,9 @@ public abstract class AbstractHttpRequest<T> {
             } catch (Exception e) {
                 subscriber.onError(e);
             }
-        }).subscribeOn(Schedulers.io());
+        }).subscribeOn(Schedulers.io())
+                .unsubscribeOn(Schedulers.io())
+                .doOnUnsubscribe(this::cancel);
     }
 
     @NonNull
diff --git a/src/main/java/org/roboswag/components/savestate/ScrollViewSavedStateController.java b/src/main/java/org/roboswag/components/savestate/ScrollViewSavedStateController.java
new file mode 100644
index 0000000..4e04e02
--- /dev/null
+++ b/src/main/java/org/roboswag/components/savestate/ScrollViewSavedStateController.java
@@ -0,0 +1,46 @@
+package org.roboswag.components.savestate;
+
+import android.graphics.Point;
+import android.os.Parcelable;
+import android.support.annotation.NonNull;
+import android.widget.ScrollView;
+
+import org.roboswag.components.R;
+
+/**
+ * Created by Gavriil Sitnikov on 14/11/2015.
+ * TODO: fill description
+ */
+public class ScrollViewSavedStateController extends AbstractSavedStateController {
+
+    @NonNull
+    private final ScrollView scrollView;
+
+    public ScrollViewSavedStateController(@NonNull final ScrollView scrollView) {
+        this(scrollView.getId(), scrollView);
+    }
+
+    public ScrollViewSavedStateController(final int id, @NonNull final ScrollView scrollView) {
+        super(id);
+        this.scrollView = scrollView;
+    }
+
+    @Override
+    protected int getTypeId() {
+        return R.id.SCROLL_VIEW_SAVED_STATE;
+    }
+
+    @NonNull
+    @Override
+    public Parcelable getState() {
+        return new Point(scrollView.getScrollX(), scrollView.getScrollY());
+    }
+
+    @Override
+    public void restoreState(@NonNull final Parcelable savedState) {
+        if (savedState instanceof Point) {
+            scrollView.post(() -> scrollView.scrollTo(((Point) savedState).x, ((Point) savedState).y));
+        }
+    }
+
+}
diff --git a/src/main/res/values/ids.xml b/src/main/res/values/ids.xml
index d3ee3d3..f5de52e 100644
--- a/src/main/res/values/ids.xml
+++ b/src/main/res/values/ids.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <item name="RECYCLER_VIEW_SAVED_STATE" type="id"/>
+    <item name="SCROLL_VIEW_SAVED_STATE" type="id"/>
 </resources>
\ No newline at end of file