Attachment 339432 Details for Bug 185034 – Proposed patch v2

[patch] Proposed patch v2

0001-WebCore-Document-convertAbsoluteToClientRect-dont-us.patch (text/plain), 3.45 KB, created by Juan Pablo Ugarte on 2018-05-03 11:12:32 PDT

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Creator: Juan Pablo Ugarte

Created: 2018-05-03 11:12:32 PDT

Size: 3.45 KB

patch

obsolete

>From 9556e539b167dd9938e40ead37e9c7ba75456d87 Mon Sep 17 00:00:00 2001
>From: Juan Pablo Ugarte <ugarte@endlessm.com>
>Date: Thu, 3 May 2018 15:08:51 -0300
>Subject: [PATCH] WebCore::Document::convertAbsoluteToClientRect() dont use
> effectiveZoom
>
>getBoundingClientRect() return wrong values when CSS zoom is set because zoom
>is used as the effectiveZoom parameter to Document::convertAbsoluteToClientRects()
>
>Fix bug https://bugs.webkit.org/show_bug.cgi?id=185034
>---
> ...-rects-with-css-and-page-zoom-expected.txt |  6 ++++++
> .../client-rects-with-css-and-page-zoom.html  | 21 +++++++++++++++++++
> Source/WebCore/dom/Document.cpp               |  2 +-
> 3 files changed, 28 insertions(+), 1 deletion(-)
>
>diff --git a/LayoutTests/fast/zooming/client-rects-with-css-and-page-zoom-expected.txt b/LayoutTests/fast/zooming/client-rects-with-css-and-page-zoom-expected.txt
>index 463001fba08..c8299c133e5 100644
>--- a/LayoutTests/fast/zooming/client-rects-with-css-and-page-zoom-expected.txt
>+++ b/LayoutTests/fast/zooming/client-rects-with-css-and-page-zoom-expected.txt
>@@ -7,6 +7,12 @@ PASS successfullyParsed is true
> 
> TEST COMPLETE
> 
>+Testing box with CSS zoom
>+PASS bounds.left.toFixed(2) is "8.00"
>+PASS bounds.top.toFixed(2) is "10.00"
>+PASS bounds.width.toFixed(2) is "20.00"
>+PASS bounds.height.toFixed(2) is "25.00"
>+
> Testing box with CSS zoom on an ancestor
> PASS bounds.left.toFixed(2) is "18.00"
> PASS bounds.top.toFixed(2) is "150.00"
>diff --git a/LayoutTests/fast/zooming/client-rects-with-css-and-page-zoom.html b/LayoutTests/fast/zooming/client-rects-with-css-and-page-zoom.html
>index e631bb5c5ee..fa89a972ff9 100644
>--- a/LayoutTests/fast/zooming/client-rects-with-css-and-page-zoom.html
>+++ b/LayoutTests/fast/zooming/client-rects-with-css-and-page-zoom.html
>@@ -3,6 +3,16 @@
> <html>
> <head>
>     <style>
>+        #zoom-box {
>+            zoom: 0.5;
>+            position: absolute;
>+            left: 8px;
>+            top: 10px;
>+            width: 40px;
>+            height: 50px;
>+            background-color: rgba(0, 0, 0, 0.1);
>+        }
>+
>         .container {
>             zoom: 2.3;
>         }
>@@ -40,6 +50,16 @@
>                 debug('This tests uses eventSender to zoom in twice');
>             }
>             
>+            box = document.getElementById('zoom-box');
>+            bounds = box.getBoundingClientRect();
>+
>+            debug('');
>+            debug('Testing box with CSS zoom')
>+            shouldBeEqualToString('bounds.left.toFixed(2)', '8.00');
>+            shouldBeEqualToString('bounds.top.toFixed(2)', '10.00');
>+            shouldBeEqualToString('bounds.width.toFixed(2)', '20.00');
>+            shouldBeEqualToString('bounds.height.toFixed(2)', '25.00');
>+
>             box = document.getElementById('inside-zoom-box');
>             bounds = box.getBoundingClientRect();
> 
>@@ -65,6 +85,7 @@
>     </script>
> </head>
> <body>
>+    <div id="zoom-box"></div>
>     <div class="container">
>         <div id="inside-zoom-box"></div>
>     </div>
>diff --git a/Source/WebCore/dom/Document.cpp b/Source/WebCore/dom/Document.cpp
>index 50b239a36f2..1a80cbb5496 100644
>--- a/Source/WebCore/dom/Document.cpp
>+++ b/Source/WebCore/dom/Document.cpp
>@@ -6840,7 +6840,7 @@ void Document::convertAbsoluteToClientRect(FloatRect& rect, const RenderStyle& s
>         return;
> 
>     const auto& frameView = *view();
>-    rect = frameView.absoluteToDocumentRect(rect, style.effectiveZoom()); 
>+    rect = frameView.absoluteToDocumentRect(rect);
>     rect = frameView.documentToClientRect(rect);
> }
> 
>-- 
>2.17.0
>

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