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// Copyright 2016 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_FULLSCREEN_SCOPED_ALLOW_FULLSCREEN_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_FULLSCREEN_SCOPED_ALLOW_FULLSCREEN_H_
#include "base/macros.h"
#include "base/optional.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
namespace blink {
class CORE_EXPORT ScopedAllowFullscreen {
STACK_ALLOCATED();
public:
enum Reason { kOrientationChange, kXrOverlay };
static base::Optional<Reason> FullscreenAllowedReason();
explicit ScopedAllowFullscreen(Reason);
~ScopedAllowFullscreen();
private:
static base::Optional<Reason> reason_;
base::Optional<Reason> previous_reason_;
DISALLOW_COPY_AND_ASSIGN(ScopedAllowFullscreen);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_FULLSCREEN_SCOPED_ALLOW_FULLSCREEN_H_
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