chromium/third_party/blink/renderer/core/editing/selection_editor.cc

/*
 * Copyright (C) 2004, 2008, 2009, 2010 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "third_party/blink/renderer/core/editing/selection_editor.h"

#include "third_party/blink/renderer/core/dom/node_with_index.h"
#include "third_party/blink/renderer/core/dom/text.h"
#include "third_party/blink/renderer/core/editing/editing_behavior.h"
#include "third_party/blink/renderer/core/editing/editing_utilities.h"
#include "third_party/blink/renderer/core/editing/editor.h"
#include "third_party/blink/renderer/core/editing/ephemeral_range.h"
#include "third_party/blink/renderer/core/editing/frame_caret.h"
#include "third_party/blink/renderer/core/editing/local_caret_rect.h"
#include "third_party/blink/renderer/core/editing/position_with_affinity.h"
#include "third_party/blink/renderer/core/editing/selection_adjuster.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"

namespace blink {

SelectionEditor::SelectionEditor(LocalFrame& frame) : … { … }

SelectionEditor::~SelectionEditor() = default;

void SelectionEditor::AssertSelectionValid() const { … }

void SelectionEditor::ClearVisibleSelection() { … }

void SelectionEditor::Dispose() { … }

Document& SelectionEditor::GetDocument() const { … }

VisibleSelection SelectionEditor::ComputeVisibleSelectionInDOMTree() const { … }

VisibleSelectionInFlatTree SelectionEditor::ComputeVisibleSelectionInFlatTree()
    const { … }

bool SelectionEditor::ComputeAbsoluteBounds(gfx::Rect& anchor,
                                            gfx::Rect& focus) const { … }

const SelectionInDOMTree& SelectionEditor::GetSelectionInDOMTree() const { … }

void SelectionEditor::MarkCacheDirty() { … }

void SelectionEditor::SetSelectionAndEndTyping(
    const SelectionInDOMTree& new_selection) { … }

void SelectionEditor::DidChangeChildren(const ContainerNode&,
                                        const ContainerNode::ChildrenChange&) { … }

void SelectionEditor::DidFinishTextChange(const Position& new_anchor,
                                          const Position& new_focus) { … }

void SelectionEditor::DidFinishDOMMutation() { … }

void SelectionEditor::DidAttachDocument(Document* document) { … }

void SelectionEditor::ContextDestroyed() { … }

static Position ComputePositionForChildrenRemoval(const Position& position,
                                                  ContainerNode& container) { … }

void SelectionEditor::NodeChildrenWillBeRemoved(ContainerNode& container) { … }

void SelectionEditor::NodeWillBeRemoved(Node& node_to_be_removed) { … }

static Position UpdatePositionAfterAdoptingTextReplacement(
    const Position& position,
    CharacterData* node,
    unsigned offset,
    unsigned old_length,
    unsigned new_length) { … }

void SelectionEditor::DidUpdateCharacterData(CharacterData* node,
                                             unsigned offset,
                                             unsigned old_length,
                                             unsigned new_length) { … }

static Position UpdatePostionAfterAdoptingTextNodesMerged(
    const Position& position,
    const Text& merged_node,
    const NodeWithIndex& node_to_be_removed_with_index,
    unsigned old_length) { … }

void SelectionEditor::DidMergeTextNodes(
    const Text& merged_node,
    const NodeWithIndex& node_to_be_removed_with_index,
    unsigned old_length) { … }

static Position UpdatePostionAfterAdoptingTextNodeSplit(
    const Position& position,
    const Text& old_node) { … }

void SelectionEditor::DidSplitTextNode(const Text& old_node) { … }

bool SelectionEditor::ShouldAlwaysUseDirectionalSelection() const { … }

bool SelectionEditor::NeedsUpdateVisibleSelection() const { … }

void SelectionEditor::UpdateCachedVisibleSelectionIfNeeded() const { … }

bool SelectionEditor::NeedsUpdateVisibleSelectionInFlatTree() const { … }

void SelectionEditor::UpdateCachedVisibleSelectionInFlatTreeIfNeeded() const { … }

bool SelectionEditor::NeedsUpdateAbsoluteBounds() const { … }

void SelectionEditor::UpdateCachedAbsoluteBoundsIfNeeded() const { … }

void SelectionEditor::CacheRangeOfDocument(Range* range) { … }

Range* SelectionEditor::DocumentCachedRange() const { … }

void SelectionEditor::ClearDocumentCachedRange() { … }

void SelectionEditor::Trace(Visitor* visitor) const { … }

}  // namespace blink