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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_PAGE_LINK_HIGHLIGHT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PAGE_LINK_HIGHLIGHT_H_
#include <memory>
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/graphics/compositor_element_id.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
namespace cc {
class AnimationHost;
}
namespace blink {
class CompositorAnimationTimeline;
class GraphicsContext;
class LinkHighlightImpl;
class LayoutObject;
class LocalFrame;
class Node;
class Page;
class CORE_EXPORT LinkHighlight final : public GarbageCollected<LinkHighlight> {
public:
explicit LinkHighlight(Page&);
virtual ~LinkHighlight();
virtual void Trace(Visitor*) const;
void ResetForPageNavigation();
void SetTapHighlight(Node*);
void StartHighlightAnimationIfNeeded();
void AnimationHostInitialized(cc::AnimationHost&);
void WillCloseAnimationHost();
bool NeedsHighlightEffect(const LayoutObject& object) const {
return impl_ && NeedsHighlightEffectInternal(object);
}
void UpdateBeforePrePaint();
void UpdateAfterPrePaint();
void Paint(GraphicsContext&) const;
private:
friend class LinkHighlightImplTest;
void RemoveHighlight();
LocalFrame* MainFrame() const;
Page& GetPage() const {
DCHECK(page_);
return *page_;
}
bool NeedsHighlightEffectInternal(const LayoutObject& object) const;
Member<Page> page_;
std::unique_ptr<LinkHighlightImpl> impl_;
cc::AnimationHost* animation_host_ = nullptr;
std::unique_ptr<CompositorAnimationTimeline> timeline_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_PAGE_LINK_HIGHLIGHT_H_
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