chromium/ui/accessibility/ax_selection.cc

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/accessibility/ax_selection.h"

#include "ui/accessibility/ax_node_position.h"

namespace ui {

namespace {

// Helper for GetUnignoredSelection. Creates a position using |node_id|,
// |offset| and |affinity|, and if it's ignored, updates these arguments so
// that they represent a non-null non-ignored position, according to
// |adjustment_behavior|. Returns true on success, false on failure. Note that
// if the position is initially null, it's not ignored and it's a success.
bool ComputeUnignoredSelectionEndpoint(
    const AXTree* tree,
    AXPositionAdjustmentBehavior adjustment_behavior,
    AXNodeID& node_id,
    int32_t& offset,
    ax::mojom::TextAffinity& affinity) { … }

}  // namespace

AXSelection::AXSelection() = default;
AXSelection::AXSelection(const AXSelection&) = default;

AXSelection::~AXSelection() = default;

AXSelection::AXSelection(const AXTree& tree)
    : … { … }

AXSelection& AXSelection::ToUnignoredSelection() { … }

}  // namespace ui