chromium/content/browser/compute_pressure/pressure_service_base.cc

// Copyright 2021 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_base.h"

#include <utility>

#include "base/ranges/algorithm.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/device_service.h"
#include "content/public/browser/video_picture_in_picture_window_controller.h"
#include "mojo/public/cpp/bindings/message.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"

namespace content {

PressureServiceBase::PressureServiceBase()
    : … { … }

PressureServiceBase::~PressureServiceBase() { … }

// static
// https://www.w3.org/TR/compute-pressure/#dfn-document-has-implicit-focus
bool PressureServiceBase::HasImplicitFocus(RenderFrameHost* render_frame_host) { … }

bool PressureServiceBase::CanCallAddClient() const { … }

void PressureServiceBase::BindReceiver(
    mojo::PendingReceiver<blink::mojom::WebPressureManager> receiver) { … }

void PressureServiceBase::AddClient(device::mojom::PressureSource source,
                                    AddClientCallback callback) { … }

// Disconnection handler for |manager_receiver_| and |manager_remote_|. If
// either of the connections breaks, we should disconnect all connections and
// let //services know we do not need more updates.
void PressureServiceBase::OnPressureManagerDisconnected() { … }

void PressureServiceBase::DidAddClient(
    device::mojom::PressureSource source,
    AddClientCallback client_callback,
    device::mojom::PressureManagerAddClientResultPtr result) { … }

}  // namespace content