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content / browser / compute_pressure / pressure_service_for_frame.h [blame]
// 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_COMPUTE_PRESSURE_PRESSURE_SERVICE_FOR_FRAME_H_
#define CONTENT_BROWSER_COMPUTE_PRESSURE_PRESSURE_SERVICE_FOR_FRAME_H_
#include "base/functional/callback.h"
#include "content/browser/compute_pressure/pressure_service_base.h"
#include "content/common/content_export.h"
#include "content/public/browser/document_user_data.h"
namespace content {
class RenderFrameHost;
class CONTENT_EXPORT PressureServiceForFrame
: public PressureServiceBase,
public DocumentUserData<PressureServiceForFrame> {
public:
~PressureServiceForFrame() override;
PressureServiceForFrame(const PressureServiceForFrame&) = delete;
PressureServiceForFrame& operator=(const PressureServiceForFrame&) = delete;
// PressureServiceBase override.
bool CanCallAddClient() const override;
bool ShouldDeliverUpdate() const override;
std::optional<base::UnguessableToken> GetTokenFor(
device::mojom::PressureSource) const override;
private:
explicit PressureServiceForFrame(RenderFrameHost* render_frame_host);
friend DocumentUserData;
DOCUMENT_USER_DATA_KEY_DECL();
};
} // namespace content
#endif // CONTENT_BROWSER_COMPUTE_PRESSURE_PRESSURE_SERVICE_FOR_FRAME_H_