chromium/services/device/public/cpp/hid/hid_item_state_table.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "services/device/public/cpp/hid/hid_item_state_table.h"

#include <limits>

namespace device {

namespace {

bool IsGlobalItem(HidReportDescriptorItem::Tag tag) { … }

uint32_t MaybeCombineUsageAndUsagePage(
    uint32_t usage,
    const std::vector<HidItemStateTable::HidGlobalItemState>& global_stack) { … }

// Interprets |value| as a two's complement signed integer |payload_size| bytes
// wide. The value is returned as a 32-bit signed integer, extending the sign
// bit as needed.
int32_t Int32FromValueAndSize(uint32_t value, size_t payload_size) { … }

}  // namespace

HidItemStateTable::HidItemStateTable() = default;
HidItemStateTable::~HidItemStateTable() = default;

void HidItemStateTable::SetItemValue(HidReportDescriptorItem::Tag tag,
                                     uint32_t value,
                                     size_t payload_size) { … }

HidItemStateTable::HidGlobalItemState::HidGlobalItemState() = default;
HidItemStateTable::HidGlobalItemState::HidGlobalItemState(
    const HidGlobalItemState&) = default;
HidItemStateTable::HidGlobalItemState::~HidGlobalItemState() = default;

HidItemStateTable::HidLocalItemState::HidLocalItemState() = default;
HidItemStateTable::HidLocalItemState::HidLocalItemState(
    const HidLocalItemState&) = default;
HidItemStateTable::HidLocalItemState::~HidLocalItemState() = default;

void HidItemStateTable::HidLocalItemState::Reset() { … }

}  // namespace device