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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 THIRD_PARTY_BLINK_RENDERER_CORE_PREFERENCES_PREFERENCE_OVERRIDES_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PREFERENCES_PREFERENCE_OVERRIDES_H_
#include <optional>
#include "third_party/blink/public/mojom/css/preferred_color_scheme.mojom-blink-forward.h"
#include "third_party/blink/public/mojom/css/preferred_contrast.mojom-blink-forward.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string_hash.h"
namespace blink {
class Document;
// PreferenceOverrides represents the Web Preferences API overrides.
// Spec: https://wicg.github.io/web-preferences-api/
class CORE_EXPORT PreferenceOverrides {
USING_FAST_MALLOC(PreferenceOverrides);
public:
// When value_string is empty, or otherwise invalid, it clears the override.
void SetOverride(const AtomicString& feature,
const String& value_string,
const Document*);
std::optional<mojom::blink::PreferredColorScheme> GetPreferredColorScheme()
const {
return preferred_color_scheme_;
}
std::optional<mojom::blink::PreferredContrast> GetPreferredContrast() const {
return preferred_contrast_;
}
std::optional<bool> GetPrefersReducedMotion() const {
return prefers_reduced_motion_;
}
std::optional<bool> GetPrefersReducedTransparency() const {
return prefers_reduced_transparency_;
}
std::optional<bool> GetPrefersReducedData() const {
return prefers_reduced_data_;
}
private:
std::optional<mojom::blink::PreferredColorScheme> preferred_color_scheme_;
std::optional<mojom::blink::PreferredContrast> preferred_contrast_;
std::optional<bool> prefers_reduced_motion_;
std::optional<bool> prefers_reduced_data_;
std::optional<bool> prefers_reduced_transparency_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_PREFERENCES_PREFERENCE_OVERRIDES_H_
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