chromium/components/performance_manager/execution_context_priority/frame_visibility_voter.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/performance_manager/execution_context_priority/frame_visibility_voter.h"

#include <utility>

#include "components/performance_manager/public/execution_context/execution_context_registry.h"
#include "components/performance_manager/public/graph/graph.h"
#include "url/gurl.h"

namespace performance_manager {
namespace execution_context_priority {

namespace {

const execution_context::ExecutionContext* GetExecutionContext(
    const FrameNode* frame_node) { … }

// Returns a vote with the appropriate priority depending on the frame's
// |visibility|.
Vote GetVote(FrameNode::Visibility visibility) { … }

}  // namespace

// static
const char FrameVisibilityVoter::kFrameVisibilityReason[] = …;

FrameVisibilityVoter::FrameVisibilityVoter(VotingChannel voting_channel)
    : … { … }

FrameVisibilityVoter::~FrameVisibilityVoter() = default;

void FrameVisibilityVoter::InitializeOnGraph(Graph* graph) { … }

void FrameVisibilityVoter::TearDownOnGraph(Graph* graph) { … }

void FrameVisibilityVoter::OnFrameNodeInitializing(
    const FrameNode* frame_node) { … }

void FrameVisibilityVoter::OnFrameNodeTearingDown(const FrameNode* frame_node) { … }

void FrameVisibilityVoter::OnFrameVisibilityChanged(
    const FrameNode* frame_node,
    FrameNode::Visibility previous_value) { … }

}  // namespace execution_context_priority
}  // namespace performance_manager