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LibWeb: Start adding support for the <iframe> element! :^)

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This patch introduces a bunch of things:

- Subframes (Web::Frame::create_subframe())
- HTMLIFrameElement (loads and owns the hosted Web::Frame)
- LayoutFrame (layout and rendering of the hosted frame)

There's still a huge number of things missing, like scrolling, overflow
handling, event handling, scripting, etc. But we can make a little
iframe in a document and it actually renders another document there.
I think that's pretty cool! :^)
This commit is contained in:
Andreas Kling 2020-06-05 23:36:02 +02:00
parent f2aa21ebc4
commit 422bbe98a5
13 changed files with 321 additions and 0 deletions
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3
Libraries/LibWeb/DOM/ElementFactory.cpp
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@ -36,6 +36,7 @@
#include <LibWeb/DOM/HTMLHeadElement.h>
#include <LibWeb/DOM/HTMLHeadingElement.h>
#include <LibWeb/DOM/HTMLHtmlElement.h>
#include <LibWeb/DOM/HTMLIFrameElement.h>
#include <LibWeb/DOM/HTMLImageElement.h>
#include <LibWeb/DOM/HTMLInputElement.h>
#include <LibWeb/DOM/HTMLLinkElement.h>
@ -76,6 +77,8 @@ NonnullRefPtr<Element> create_element(Document& document, const FlyString& tag_n
return adopt(*new HTMLInputElement(document, lowercase_tag_name));
if (lowercase_tag_name == "br")
return adopt(*new HTMLBRElement(document, lowercase_tag_name));
if (lowercase_tag_name == "iframe")
return adopt(*new HTMLIFrameElement(document, lowercase_tag_name));
if (lowercase_tag_name == "h1"
|| lowercase_tag_name == "h2"
|| lowercase_tag_name == "h3"