visible_units_line.cc | Explore in Territory

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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/editing/visible_units.h"

#include "third_party/blink/renderer/core/editing/editing_utilities.h"
#include "third_party/blink/renderer/core/editing/inline_box_position.h"
#include "third_party/blink/renderer/core/editing/ng_flat_tree_shorthands.h"
#include "third_party/blink/renderer/core/editing/text_offset_mapping.h"
#include "third_party/blink/renderer/core/editing/visible_position.h"
#include "third_party/blink/renderer/core/layout/inline/inline_caret_position.h"
#include "third_party/blink/renderer/core/layout/inline/line_utils.h"
#include "third_party/blink/renderer/core/layout/inline/offset_mapping.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"

namespace blink {

namespace {

struct VisualOrdering;

static PositionWithAffinity AdjustForSoftLineWrap(
    const InlineCursorPosition& line_box,
    const PositionWithAffinity& position) { … }

template <typename Strategy, typename Ordering>
static PositionWithAffinityTemplate<Strategy> EndPositionForLine(
    const PositionWithAffinityTemplate<Strategy>& c) { … }

template <typename Strategy, typename Ordering>
PositionWithAffinityTemplate<Strategy> StartPositionForLine(
    const PositionWithAffinityTemplate<Strategy>& c) { … }

// Provides start and end of line in logical order for implementing Home and End
// keys.
struct LogicalOrdering { … };

// Provides start end end of line in visual order for implementing expanding
// selection in line granularity.
struct VisualOrdering { … };

template <typename Strategy>
PositionWithAffinityTemplate<Strategy> StartOfLineAlgorithm(
    const PositionWithAffinityTemplate<Strategy>& c) { … }

bool IsInlineBlock(const LayoutBlockFlow* block_flow) { … }

}  // namespace

PositionWithAffinity StartOfLine(const PositionWithAffinity& current_position) { … }

PositionInFlatTreeWithAffinity StartOfLine(
    const PositionInFlatTreeWithAffinity& current_position) { … }

// FIXME: Rename this function to reflect the fact it ignores bidi levels.
VisiblePosition StartOfLine(const VisiblePosition& current_position) { … }

VisiblePositionInFlatTree StartOfLine(
    const VisiblePositionInFlatTree& current_position) { … }

template <typename Strategy>
static PositionWithAffinityTemplate<Strategy> LogicalStartOfLineAlgorithm(
    const PositionWithAffinityTemplate<Strategy>& c) { … }

static PositionWithAffinity LogicalStartOfLine(
    const PositionWithAffinity& position) { … }

static PositionInFlatTreeWithAffinity LogicalStartOfLine(
    const PositionInFlatTreeWithAffinity& position) { … }

VisiblePosition LogicalStartOfLine(const VisiblePosition& current_position) { … }

VisiblePositionInFlatTree LogicalStartOfLine(
    const VisiblePositionInFlatTree& current_position) { … }

// TODO(yosin) Rename this function to reflect the fact it ignores bidi levels.
template <typename Strategy>
static PositionWithAffinityTemplate<Strategy> EndOfLineAlgorithm(
    const PositionWithAffinityTemplate<Strategy>& current_position) { … }

PositionWithAffinity EndOfLine(const PositionWithAffinity& position) { … }

PositionInFlatTreeWithAffinity EndOfLine(
    const PositionInFlatTreeWithAffinity& position) { … }

template <typename Strategy>
static bool InSameLogicalLine(
    const PositionWithAffinityTemplate<Strategy>& position1,
    const PositionWithAffinityTemplate<Strategy>& position2) { … }

template <typename Strategy>
static PositionWithAffinityTemplate<Strategy> LogicalEndOfLineAlgorithm(
    const PositionWithAffinityTemplate<Strategy>& current_position) { … }

static PositionWithAffinity LogicalEndOfLine(
    const PositionWithAffinity& position) { … }

static PositionInFlatTreeWithAffinity LogicalEndOfLine(
    const PositionInFlatTreeWithAffinity& position) { … }

VisiblePosition LogicalEndOfLine(const VisiblePosition& current_position) { … }

VisiblePositionInFlatTree LogicalEndOfLine(
    const VisiblePositionInFlatTree& current_position) { … }

template <typename Strategy>
static bool InSameLineAlgorithm(
    const PositionWithAffinityTemplate<Strategy>& position1,
    const PositionWithAffinityTemplate<Strategy>& position2) { … }

bool InSameLine(const PositionWithAffinity& a, const PositionWithAffinity& b) { … }

bool InSameLine(const PositionInFlatTreeWithAffinity& position1,
                const PositionInFlatTreeWithAffinity& position2) { … }

bool InSameLine(const VisiblePosition& position1,
                const VisiblePosition& position2) { … }

bool InSameLine(const VisiblePositionInFlatTree& position1,
                const VisiblePositionInFlatTree& position2) { … }

template <typename Strategy>
static bool IsStartOfLineAlgorithm(const VisiblePositionTemplate<Strategy>& p) { … }

bool IsStartOfLine(const VisiblePosition& p) { … }

bool IsStartOfLine(const VisiblePositionInFlatTree& p) { … }

template <typename Strategy>
static bool IsEndOfLineAlgorithm(
    const VisiblePositionTemplate<Strategy>& visible_position) { … }

bool IsEndOfLine(const VisiblePosition& p) { … }

bool IsEndOfLine(const VisiblePositionInFlatTree& p) { … }

template <typename Strategy>
static bool IsLogicalEndOfLineAlgorithm(
    const VisiblePositionTemplate<Strategy>& p) { … }

bool IsLogicalEndOfLine(const VisiblePosition& p) { … }

bool IsLogicalEndOfLine(const VisiblePositionInFlatTree& p) { … }

}  // namespace blink
chromium/third_party/blink/renderer/core/editing/visible_units_line.cc
