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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Simon Hausmann (hausmann@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004, 2006, 2009 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "third_party/blink/renderer/core/html/html_frame_element.h"
#include "third_party/blink/public/mojom/feature_policy/feature_policy.mojom-blink.h"
#include "third_party/blink/public/mojom/feature_policy/policy_value.mojom-blink-forward.h"
#include "third_party/blink/renderer/core/dom/element_traversal.h"
#include "third_party/blink/renderer/core/html/html_frame_set_element.h"
#include "third_party/blink/renderer/core/html_names.h"
#include "third_party/blink/renderer/core/layout/layout_frame.h"
namespace blink {
HTMLFrameElement::HTMLFrameElement(Document& document)
: HTMLFrameElementBase(html_names::kFrameTag, document),
frame_border_(true),
frame_border_set_(false) {}
bool HTMLFrameElement::LayoutObjectIsNeeded(const ComputedStyle&) const {
// For compatibility, frames render even when display: none is set.
return ContentFrame();
}
LayoutObject* HTMLFrameElement::CreateLayoutObject(const ComputedStyle&,
LegacyLayout) {
return new LayoutFrame(this);
}
bool HTMLFrameElement::NoResize() const {
return FastHasAttribute(html_names::kNoresizeAttr);
}
void HTMLFrameElement::AttachLayoutTree(AttachContext& context) {
HTMLFrameElementBase::AttachLayoutTree(context);
if (HTMLFrameSetElement* frame_set_element =
Traversal<HTMLFrameSetElement>::FirstAncestor(*this)) {
if (!frame_border_set_)
frame_border_ = frame_set_element->HasFrameBorder();
}
}
void HTMLFrameElement::ParseAttribute(
const AttributeModificationParams& params) {
if (params.name == html_names::kFrameborderAttr) {
frame_border_ = params.new_value.ToInt();
frame_border_set_ = !params.new_value.IsNull();
// FIXME: If we are already attached, this has no effect.
} else if (params.name == html_names::kNoresizeAttr) {
if (GetLayoutObject())
GetLayoutObject()->UpdateFromElement();
} else {
HTMLFrameElementBase::ParseAttribute(params);
}
}
ParsedFeaturePolicy HTMLFrameElement::ConstructContainerPolicy(
Vector<String>*) const {
// Frame elements are not allowed to enable the fullscreen feature. Add an
// empty allowlist for the fullscreen feature so that the framed content is
// unable to use the API, regardless of origin.
// https://fullscreen.spec.whatwg.org/#model
ParsedFeaturePolicy container_policy;
ParsedFeaturePolicyDeclaration allowlist(
mojom::blink::FeaturePolicyFeature::kFullscreen,
mojom::blink::PolicyValueType::kBool);
container_policy.push_back(allowlist);
return container_policy;
}
} // namespace blink
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