local_caret_rect.cc | Explore in Territory

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// 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 "third_party/blink/renderer/core/editing/local_caret_rect.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/position_with_affinity.h"
#include "third_party/blink/renderer/core/editing/visible_position.h"
#include "third_party/blink/renderer/core/layout/inline/caret_rect.h"
#include "third_party/blink/renderer/core/layout/inline/inline_caret_position.h"
#include "third_party/blink/renderer/core/layout/layout_block_flow.h"
#include "ui/gfx/geometry/rect_conversions.h"

namespace blink {

namespace {

// Returns a position suitable for |ComputeNGCaretPosition()| to calculate
// local caret rect by |ComputeLocalCaretRect()|:
//  - A position in |Text| node
//  - A position before/after atomic inline element. Note: This function
//    doesn't check whether anchor node is atomic inline level or not.
template <typename Strategy>
PositionWithAffinityTemplate<Strategy> AdjustForInlineCaretPosition(
    const PositionWithAffinityTemplate<Strategy>& position_with_affinity) { … }

template <typename Strategy>
LocalCaretRect LocalCaretRectOfPositionTemplate(
    const PositionWithAffinityTemplate<Strategy>& position,
    LayoutUnit* extra_width_to_end_of_line,
    EditingBoundaryCrossingRule rule) { … }

// This function was added because the caret rect that is calculated by
// using the line top value instead of the selection top.
template <typename Strategy>
LocalCaretRect LocalSelectionRectOfPositionTemplate(
    const PositionWithAffinityTemplate<Strategy>& position) { … }

}  // namespace

LocalCaretRect LocalCaretRectOfPosition(const PositionWithAffinity& position,
                                        EditingBoundaryCrossingRule rule) { … }

LocalCaretRect LocalCaretRectOfPosition(
    const PositionInFlatTreeWithAffinity& position,
    EditingBoundaryCrossingRule rule) { … }

LocalCaretRect LocalSelectionRectOfPosition(
    const PositionWithAffinity& position) { … }

// ----

template <typename Strategy>
static gfx::Rect AbsoluteCaretBoundsOfAlgorithm(
    const PositionWithAffinityTemplate<Strategy>& position,
    LayoutUnit* extra_width_to_end_of_line,
    EditingBoundaryCrossingRule rule) { … }

gfx::Rect AbsoluteCaretBoundsOf(const PositionWithAffinity& position,
                                LayoutUnit* extra_width_to_end_of_line,
                                EditingBoundaryCrossingRule rule) { … }

template <typename Strategy>
static gfx::Rect AbsoluteSelectionBoundsOfAlgorithm(
    const VisiblePositionTemplate<Strategy>& visible_position) { … }

gfx::Rect AbsoluteSelectionBoundsOf(const VisiblePosition& visible_position) { … }

gfx::Rect AbsoluteCaretBoundsOf(
    const PositionInFlatTreeWithAffinity& position) { … }

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