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content / browser / compute_pressure / pressure_service_for_frame.cc [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.
#include "content/browser/compute_pressure/pressure_service_for_frame.h"
#include "content/browser/compute_pressure/web_contents_pressure_manager_proxy.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
namespace content {
PressureServiceForFrame::PressureServiceForFrame(
RenderFrameHost* render_frame_host)
: DocumentUserData<PressureServiceForFrame>(render_frame_host) {
CHECK(render_frame_host);
}
PressureServiceForFrame::~PressureServiceForFrame() = default;
bool PressureServiceForFrame::CanCallAddClient() const {
return render_frame_host().IsActive() &&
!render_frame_host().IsNestedWithinFencedFrame();
}
bool PressureServiceForFrame::ShouldDeliverUpdate() const {
return HasImplicitFocus(&render_frame_host());
}
std::optional<base::UnguessableToken> PressureServiceForFrame::GetTokenFor(
device::mojom::PressureSource source) const {
const auto* web_contents =
WebContents::FromRenderFrameHost(&render_frame_host());
if (const auto* pressure_manager_proxy =
WebContentsPressureManagerProxy::FromWebContents(web_contents)) {
return pressure_manager_proxy->GetTokenFor(source);
}
return std::nullopt;
}
DOCUMENT_USER_DATA_KEY_IMPL(PressureServiceForFrame);
} // namespace content