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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 2000 Simon Hausmann <hausmann@kde.org>
* Copyright (C) 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.
*
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_EMBEDDED_CONTENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_EMBEDDED_CONTENT_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/html/html_frame_owner_element.h"
#include "third_party/blink/renderer/core/layout/layout_replaced.h"
namespace ui {
class Cursor;
}
namespace blink {
class EmbeddedContentView;
class FrameView;
class WebPluginContainerImpl;
// LayoutObject for frames via LayoutFrame and LayoutIFrame, and plugins via
// LayoutEmbeddedObject.
class CORE_EXPORT LayoutEmbeddedContent : public LayoutReplaced {
public:
explicit LayoutEmbeddedContent(HTMLFrameOwnerElement*);
~LayoutEmbeddedContent() override;
bool RequiresAcceleratedCompositing() const;
bool NodeAtPoint(HitTestResult&,
const HitTestLocation&,
const PhysicalOffset& accumulated_offset,
HitTestAction) override;
void AddRef() { ++ref_count_; }
void Release();
// LayoutEmbeddedContent::ChildFrameView returns the LocalFrameView associated
// with the current Node, if Node is HTMLFrameOwnerElement. This is different
// to LayoutObject::GetFrameView which returns the LocalFrameView associated
// with the root Document Frame.
FrameView* ChildFrameView() const;
WebPluginContainerImpl* Plugin() const;
EmbeddedContentView* GetEmbeddedContentView() const;
PhysicalRect ReplacedContentRect() const final;
void UpdateOnEmbeddedContentViewChange();
void UpdateGeometry(EmbeddedContentView&);
bool IsLayoutEmbeddedContent() const final { return true; }
bool IsThrottledFrameView() const;
protected:
PaintLayerType LayerTypeRequired() const override;
void StyleDidChange(StyleDifference, const ComputedStyle* old_style) final;
void UpdateLayout() override;
void PaintReplaced(const PaintInfo&,
const PhysicalOffset& paint_offset) const override;
void InvalidatePaint(const PaintInvalidatorContext&) const final;
CursorDirective GetCursor(const PhysicalOffset&, ui::Cursor&) const final;
bool CanBeSelectionLeafInternal() const final { return true; }
private:
bool CanHaveAdditionalCompositingReasons() const override { return true; }
CompositingReasons AdditionalCompositingReasons() const override;
void WillBeDestroyed() final;
void DeleteThis() final;
bool NodeAtPointOverEmbeddedContentView(
HitTestResult&,
const HitTestLocation&,
const PhysicalOffset& accumulated_offset,
HitTestAction);
HTMLFrameOwnerElement* GetFrameOwnerElement() const {
return To<HTMLFrameOwnerElement>(GetNode());
}
int ref_count_;
};
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutEmbeddedContent,
IsLayoutEmbeddedContent());
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_EMBEDDED_CONTENT_H_