[WK2] Fix for white screen on device-orientation change

[Title]  Fix for white screen on device-orientation change
[issue#] N_SE-26272
[Problem] Width and height is not updated in webprocess, when JS querying for it
[Solution] Setting the width and height on view port attributes change
[Developer] prabha.p

Change-Id: I141cf5501d5afa4580d09407f16da04e4ca27566

diff --git a/Source/WebKit2/WebProcess/WebPage/WebPage.cpp b/Source/WebKit2/WebProcess/WebPage/WebPage.cpp
index 1e978b1..f0ee7fd 100755 (executable)
--- a/Source/WebKit2/WebProcess/WebPage/WebPage.cpp
+++ b/Source/WebKit2/WebProcess/WebPage/WebPage.cpp
@@ -1072,15 +1072,10 @@ void WebPage::sendViewportAttributesChanged()
     // On WebProcess, JS runs before visible content rect is updated by UIProcess
     // In this case, JS returns incorrect inner size value because scale factor is not updated yet
     // So, we update fixed visible content rect at here.
-    // Fixed visible content rect should be updated for new page only
-    // mainFrameView()->didFirstLayout() checks it's new page or not
-    // ref 1. https://bugs.webkit.org/show_bug.cgi?id=105627
-    // ref 2. https://bugs.webkit.org/show_bug.cgi?id=103737
-    if (!mainFrameView()->didFirstLayout()) {
-        FloatSize contentFixedSize = m_viewportSize;
-        contentFixedSize.scale(1 / (attr.initialScale * attr.devicePixelRatio));
-        mainFrameView()->setFixedVisibleContentRect(IntRect(mainFrameView()->scrollPosition(), roundedIntSize(contentFixedSize)));
-    }
+    // FIXME: scale factor needs to be calculated and set fixed visible content rect
+    FloatSize contentFixedSize = m_viewportSize;
+    contentFixedSize.scale(1 / (attr.initialScale * attr.devicePixelRatio));
+    mainFrameView()->setFixedVisibleContentRect(IntRect(mainFrameView()->scrollPosition(), roundedIntSize(contentFixedSize)));
 
     // If viewport meta tag is not defined or initial scale factor is not defined,
     // initial scale factor can be defined by "Default View" setting of UIProcess.