granularity_strategy.cc | Explore in Territory

// Copyright 2015 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/granularity_strategy.h"

#include "third_party/blink/renderer/core/editing/editing_utilities.h"
#include "third_party/blink/renderer/core/editing/frame_selection.h"
#include "third_party/blink/renderer/core/editing/local_caret_rect.h"
#include "third_party/blink/renderer/core/editing/selection_template.h"
#include "third_party/blink/renderer/core/editing/visible_position.h"
#include "third_party/blink/renderer/core/editing/visible_selection.h"
#include "third_party/blink/renderer/core/editing/visible_units.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"

namespace blink {

enum class BoundAdjust { … };
enum class SearchDirection { … };

// We use the bottom-left corner of the selection rect to represent the
// location of a VisiblePosition. This way locations corresponding to
// VisiblePositions on the same line will all have the same y coordinate
// unless the text is transformed.
static gfx::Point PositionLocation(const VisiblePosition& vp) { … }

// Order is specified using the same contract as comparePositions.
static bool ArePositionsInSpecifiedOrder(const VisiblePosition& vp1,
                                         const VisiblePosition& vp2,
                                         int specified_order) { … }

// Returns the next word boundary starting from |pos|. |direction| specifies
// the direction in which to search for the next bound. nextIfOnBound
// controls whether |pos| or the next boundary is returned when |pos| is
// located exactly on word boundary.
static Position NextWordBound(const Position& pos,
                              SearchDirection direction,
                              BoundAdjust word_bound_adjust) { … }

GranularityStrategy::GranularityStrategy() = default;

GranularityStrategy::~GranularityStrategy() = default;

CharacterGranularityStrategy::CharacterGranularityStrategy() = default;

CharacterGranularityStrategy::~CharacterGranularityStrategy() = default;

SelectionStrategy CharacterGranularityStrategy::GetType() const { … }

void CharacterGranularityStrategy::Clear() { … }

SelectionInDOMTree CharacterGranularityStrategy::UpdateExtent(
    const gfx::Point& extent_point,
    LocalFrame* frame) { … }

DirectionGranularityStrategy::DirectionGranularityStrategy()
    : … { … }

DirectionGranularityStrategy::~DirectionGranularityStrategy() = default;

SelectionStrategy DirectionGranularityStrategy::GetType() const { … }

void DirectionGranularityStrategy::Clear() { … }

SelectionInDOMTree DirectionGranularityStrategy::UpdateExtent(
    const gfx::Point& extent_point,
    LocalFrame* frame) { … }

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