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LibWeb: Don't choke when trying to render a document-less <iframe>

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Just paint it like an empty box if there's no document in the frame.
This commit is contained in:
Andreas Kling 2020-06-14 15:31:47 +02:00
parent a01478c858
commit a93fb7299f
3 changed files with 15 additions and 1 deletions
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9
Libraries/LibWeb/Layout/LayoutFrame.cpp
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@ -63,6 +63,13 @@ void LayoutFrame::render(RenderingContext& context)
{
LayoutReplaced::render(context);
auto* hosted_document = node().hosted_document();
if (!hosted_document)
return;
auto* hosted_layout_tree = hosted_document->layout_node();
if (!hosted_layout_tree)
return;
context.painter().save();
auto old_viewport_rect = context.viewport_rect();
@ -70,7 +77,7 @@ void LayoutFrame::render(RenderingContext& context)
context.painter().translate(absolute_x(), absolute_y());
context.set_viewport_rect({ {}, node().hosted_frame()->size() });
node().hosted_frame()->document()->layout_node()->render(context);
const_cast<LayoutDocument*>(hosted_layout_tree)->render(context);
context.set_viewport_rect(old_viewport_rect);
context.painter().restore();