Make print options layout respect RTL

Bug: 69693271
Test: manual, in a RTL system language, build, sync, open a PDF, print
Change-Id: I90e0dabfee1256663a4bececb0538f91389cfaac

1 files changed, 13 insertions, 5 deletions

diff --git a/packages/PrintSpooler/src/com/android/printspooler/widget/PrintOptionsLayout.java b/packages/PrintSpooler/src/com/android/printspooler/widget/PrintOptionsLayout.java
index 7a80a8bd426e..24cf218fd0d8 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/widget/PrintOptionsLayout.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/widget/PrintOptionsLayout.java
@@ -21,6 +21,7 @@ import android.content.res.TypedArray;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
+
 import com.android.printspooler.R;
 
 /**
@@ -126,6 +127,7 @@ public final class PrintOptionsLayout extends ViewGroup {
     protected void onLayout(boolean changed, int l, int t, int r, int b) {
         final int childCount = getChildCount();
         final int rowCount = childCount / mColumnCount + childCount % mColumnCount;
+        final boolean isLayoutRtl = isLayoutRtl();
 
         int cellStart = getPaddingStart();
         int cellTop = getPaddingTop();
@@ -134,7 +136,13 @@ public final class PrintOptionsLayout extends ViewGroup {
             int rowHeight = 0;
 
             for (int col = 0; col < mColumnCount; col++) {
-                final int childIndex = row * mColumnCount + col;
+                final int childIndex;
+                if (isLayoutRtl) {
+                    // if RTL, layout the right most child first
+                    childIndex = row * mColumnCount + (mColumnCount - col - 1);
+                } else {
+                    childIndex = row * mColumnCount + col;
+                }
 
                 if (childIndex >= childCount) {
                     break;
@@ -148,14 +156,14 @@ public final class PrintOptionsLayout extends ViewGroup {
 
                 MarginLayoutParams childParams = (MarginLayoutParams) child.getLayoutParams();
 
-                final int childLeft = cellStart + childParams.getMarginStart();
+                final int childStart = cellStart + childParams.getMarginStart();
                 final int childTop = cellTop + childParams.topMargin;
-                final int childRight = childLeft + child.getMeasuredWidth();
+                final int childEnd = childStart + child.getMeasuredWidth();
                 final int childBottom = childTop + child.getMeasuredHeight();
 
-                child.layout(childLeft, childTop, childRight, childBottom);
+                child.layout(childStart, childTop, childEnd, childBottom);
 
-                cellStart = childRight + childParams.getMarginEnd();
+                cellStart = childEnd + childParams.getMarginEnd();
 
                 rowHeight = Math.max(rowHeight, child.getMeasuredHeight()
                         + childParams.topMargin + childParams.bottomMargin);