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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_VIEW_TRANSITION_OPT_IN_STATE_H_
#define CONTENT_BROWSER_RENDERER_HOST_VIEW_TRANSITION_OPT_IN_STATE_H_
#include "content/common/content_export.h"
#include "content/public/browser/document_user_data.h"
#include "third_party/blink/public/mojom/frame/frame.mojom.h"
namespace content {
class RenderFrameHost;
// Keeps track of the Document's opt-in for same-origin cross-document
// ViewTransitions.
// This state is mirrored in the browser process so that it can be disabled
// early if if the old document did not opt-in, even if the navigation was
// initiated from the browser process.
// See:
// https://drafts.csswg.org/css-view-transitions-2/#view-transition-rule
class CONTENT_EXPORT ViewTransitionOptInState
: public content::DocumentUserData<ViewTransitionOptInState> {
public:
~ViewTransitionOptInState() override;
void set_same_origin_opt_in(
blink::mojom::ViewTransitionSameOriginOptIn same_origin_opt_in) {
same_origin_opt_in_ = same_origin_opt_in;
}
blink::mojom::ViewTransitionSameOriginOptIn same_origin_opt_in() const {
return same_origin_opt_in_;
}
private:
explicit ViewTransitionOptInState(
content::RenderFrameHost* render_frame_host);
friend DocumentUserData;
DOCUMENT_USER_DATA_KEY_DECL();
blink::mojom::ViewTransitionSameOriginOptIn same_origin_opt_in_ =
blink::mojom::ViewTransitionSameOriginOptIn::kDisabled;
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_VIEW_TRANSITION_OPT_IN_STATE_H_
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