[Pkg-mozext-commits] [tabmixplus] 18/22: Check both scrollSize and tabstrip innerbox height to determine if the scrolled is at the end

[David Prévot]

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taffit pushed a commit to tag 0.5.0.4pre.170625a1
in repository tabmixplus.

commit dfcb535b4d7c35715b71e96f1691df56d518f6eb
Author: onemen <tabmix.onemen at gmail.com>
Date:   Wed Jun 21 13:39:26 2017 +0300

    Check both scrollSize and tabstrip innerbox height to determine if the scrolled is at the end
---
 chrome/content/tab/scrollbox.xml | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/chrome/content/tab/scrollbox.xml b/chrome/content/tab/scrollbox.xml
index 56b80ea..c63e3f5 100644
--- a/chrome/content/tab/scrollbox.xml
+++ b/chrome/content/tab/scrollbox.xml
@@ -216,8 +216,8 @@
               // when theme or extension add negative margin-bottom to the tab or
               // tab content the scrollHeight can be larger than the actual
               // inner-box height
-              'this.scrollSize',
-              'this.tabmixScrollSize'
+              'this.scrollClientSize + this.scrollPosition == this.scrollSize',
+              'this.isScrolledToEnd'
             )._replace(
               /(})(\)?)$/,
               '          var box = document.getElementById("tabmixScrollBox");\n' +
@@ -331,13 +331,16 @@
         ]]></getter>
       </property>
 
-      <property name="tabmixScrollSize" readonly="true">
+      <property name="isScrolledToEnd" readonly="true">
         <getter><![CDATA[
+          let scrollPosition = this.scrollClientSize + this.scrollPosition;
           if (this.orient == "vertical" && this.isMultiRow) {
             const height = this.innerbox.getBoundingClientRect().height;
-            return Math.round(height);
+            if (scrollPosition == Math.round(height)) {
+              return true;
+            }
           }
-          return this.scrollSize;
+          return scrollPosition == this.scrollSize;
         ]]></getter>
       </property>
 

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