Android app: implement Tor's request to clamp vertical position when height within screen

1 files changed, 6 insertions, 0 deletions

diff --git a/android/src/com/artifex/mupdf/ReaderView.java b/android/src/com/artifex/mupdf/ReaderView.java
index 2715b55d..25945f20 100644
--- a/android/src/com/artifex/mupdf/ReaderView.java
+++ b/android/src/com/artifex/mupdf/ReaderView.java
@@ -380,6 +380,12 @@ public class ReaderView extends AdapterView<Adapter>
 			cvLeft   += corr.x;
 			cvTop    += corr.y;
 			cvBottom += corr.y;
+		} else if (cv.getMeasuredHeight() <= getHeight()) {
+			// When the current view is as small as the screen in height, clamp
+			// it vertically
+			Point corr = getCorrection(getScrollBounds(cvLeft, cvTop, cvRight, cvBottom));
+			cvTop    += corr.y;
+			cvBottom += corr.y;
 		}
 
 		cv.layout(cvLeft, cvTop, cvRight, cvBottom);