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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_FRAME_VIEWPORT_DATA_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_VIEWPORT_DATA_H_
#include "third_party/blink/public/mojom/page/display_cutout.mojom-blink.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/page/viewport_description.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
namespace blink {
class Document;
class ViewportData : public GarbageCollectedFinalized<ViewportData> {
public:
ViewportData(Document& document);
void Trace(Visitor* visitor);
void Shutdown();
bool ShouldMergeWithLegacyDescription(ViewportDescription::Type) const;
bool ShouldOverrideLegacyDescription(ViewportDescription::Type) const;
CORE_EXPORT void SetViewportDescription(const ViewportDescription&);
CORE_EXPORT ViewportDescription GetViewportDescription() const;
Length ViewportDefaultMinWidth() const { return viewport_default_min_width_; }
void UpdateViewportDescription();
// When true this will force a kCover viewport fit value which will result in
// the document expanding into the display cutout area.
CORE_EXPORT void SetExpandIntoDisplayCutout(bool expand);
mojom::ViewportFit GetCurrentViewportFitForTests() const {
return viewport_fit_;
}
private:
Member<Document> document_;
ViewportDescription viewport_description_;
ViewportDescription legacy_viewport_description_;
Length viewport_default_min_width_;
// Stores the current value viewport-fit value.
mojom::ViewportFit viewport_fit_ = blink::mojom::ViewportFit::kAuto;
bool force_expand_display_cutout_ = false;
mojom::blink::DisplayCutoutHostAssociatedPtr display_cutout_host_;
};
inline bool ViewportData::ShouldOverrideLegacyDescription(
ViewportDescription::Type origin) const {
// The different (legacy) meta tags have different priorities based on the
// type regardless of which order they appear in the DOM. The priority is
// given by the ViewportDescription::Type enum.
return origin >= legacy_viewport_description_.type;
}
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_VIEWPORT_DATA_H_
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