From 7f4c52353549659c0686ef1d0a2b968168a95ff0 Mon Sep 17 00:00:00 2001
From: fukino <fukino@chromium.org>
Date: Wed, 26 Aug 2015 21:20:43 -0700
Subject: [PATCH] Files.app: Consider RTL to calculate hit elements of drag
 selection.

BUG=476425
TEST=manually

Review URL: https://codereview.chromium.org/1313343002

Cr-Commit-Position: refs/heads/master@{#345791}
---
 .../file_manager/foreground/js/ui/file_grid.js     | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/ui/file_manager/file_manager/foreground/js/ui/file_grid.js b/ui/file_manager/file_manager/foreground/js/ui/file_grid.js
index 1aa23906afcb..cb0b9e2b4244 100644
--- a/ui/file_manager/file_manager/foreground/js/ui/file_grid.js
+++ b/ui/file_manager/file_manager/foreground/js/ui/file_grid.js
@@ -98,9 +98,16 @@ FileGrid.decorate = function(
       new AsyncUtil.RateLimiter(self.relayoutImmediately_.bind(self));
 
   var style = window.getComputedStyle(self);
-  /** @private {number} */
-  self.paddingLeft_ = parseFloat(style.paddingLeft);
-  /** @private {number} */
+  /**
+   * @private {number}
+   * @const
+   */
+  self.paddingStart_ = parseFloat(
+      isRTL() ? style.paddingRight : style.paddingLeft);
+  /**
+   * @private {number}
+   * @const
+   */
   self.paddingTop_ = parseFloat(style.paddingTop);
 };
 
@@ -833,15 +840,16 @@ FileGrid.prototype.getHitColumnIndex_ = function(x, reverse) {
  */
 FileGrid.prototype.getHitElements = function(x, y, opt_width, opt_height) {
   var currentSelection = [];
-  var left = Math.max(0, x - this.paddingLeft_);
+  var startXWithPadding = isRTL() ? this.clientWidth - (x + opt_width) : x;
+  var startX = Math.max(0, startXWithPadding - this.paddingStart_);
+  var endX = startX + (opt_width ? opt_width - 1 : 0);
   var top = Math.max(0, y - this.paddingTop_);
-  var right = left + (opt_width ? opt_width - 1 : 0);
   var bottom = top + (opt_height ? opt_height - 1 : 0);
 
   var firstRow = this.getHitRowIndex_(top, false);
   var lastRow = this.getHitRowIndex_(bottom, true);
-  var firstColumn = this.getHitColumnIndex_(left, false);
-  var lastColumn = this.getHitColumnIndex_(right, true);
+  var firstColumn = this.getHitColumnIndex_(startX, false);
+  var lastColumn = this.getHitColumnIndex_(endX, true);
 
   for (var row = firstRow; row <= lastRow; row++) {
     for (var col = firstColumn; col <= lastColumn; col++) {
-- 
2.11.4.GIT