/* * Copyright (C) 2004, 2005, 2006, 2007 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. */ // 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/commands/editing_commands_utilities.h" #include "third_party/blink/public/web/web_local_frame_client.h" #include "third_party/blink/renderer/core/dom/node_computed_style.h" #include "third_party/blink/renderer/core/dom/text.h" #include "third_party/blink/renderer/core/editing/commands/selection_for_undo_step.h" #include "third_party/blink/renderer/core/editing/commands/typing_command.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/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/frame/local_frame.h" #include "third_party/blink/renderer/core/frame/local_frame_client.h" #include "third_party/blink/renderer/core/frame/web_feature_forward.h" #include "third_party/blink/renderer/core/html/html_body_element.h" #include "third_party/blink/renderer/core/html/html_frame_set_element.h" #include "third_party/blink/renderer/core/html/html_head_element.h" #include "third_party/blink/renderer/core/html/html_html_element.h" #include "third_party/blink/renderer/core/html/html_olist_element.h" #include "third_party/blink/renderer/core/html/html_ulist_element.h" #include "third_party/blink/renderer/core/inspector/console_message.h" #include "third_party/blink/renderer/core/layout/layout_object.h" #include "third_party/blink/renderer/core/layout/layout_text.h" #include "third_party/blink/renderer/platform/heap/garbage_collected.h" #include "third_party/blink/renderer/platform/instrumentation/use_counter.h" namespace blink { static bool HasARenderedDescendant(const Node* node, const Node* excluded_node) { … } Node* HighestNodeToRemoveInPruning(Node* node, const Node* exclude_node) { … } bool IsTableStructureNode(const Node* node) { … } bool IsNodeRendered(const Node& node) { … } bool IsInlineElement(const Node* node) { … } bool IsInlineNode(const Node* node) { … } // FIXME: This method should not need to call // isStartOfParagraph/isEndOfParagraph Node* EnclosingEmptyListItem(const VisiblePosition& visible_pos) { … } bool AreIdenticalElements(const Node& first, const Node& second) { … } // FIXME: need to dump this static bool IsSpecialHTMLElement(const Node& n) { … } static HTMLElement* FirstInSpecialElement(const Position& pos) { … } static HTMLElement* LastInSpecialElement(const Position& pos) { … } Position PositionBeforeContainingSpecialElement( const Position& pos, HTMLElement** containing_special_element) { … } Position PositionAfterContainingSpecialElement( const Position& pos, HTMLElement** containing_special_element) { … } bool LineBreakExistsAtPosition(const Position& position) { … } // return first preceding DOM position rendered at a different location, or // "this" static Position PreviousCharacterPosition(const Position& position, TextAffinity affinity) { … } // This assumes that it starts in editable content. Position LeadingCollapsibleWhitespacePosition(const Position& position, TextAffinity affinity, WhitespacePositionOption option) { … } unsigned NumEnclosingMailBlockquotes(const Position& p) { … } bool LineBreakExistsAtVisiblePosition(const VisiblePosition& visible_position) { … } HTMLElement* CreateHTMLElement(Document& document, const QualifiedName& name) { … } HTMLElement* EnclosingList(const Node* node) { … } Node* EnclosingListChild(const Node* node) { … } HTMLElement* OutermostEnclosingList(const Node* node, const HTMLElement* root_list) { … } // Determines whether two positions are visibly next to each other (first then // second) while ignoring whitespaces and unrendered nodes static bool IsVisiblyAdjacent(const Position& first, const Position& second) { … } bool CanMergeLists(const Element& first_list, const Element& second_list) { … } // Modifies selections that have an end point at the edge of a table // that contains the other endpoint so that they don't confuse // code that iterates over selected paragraphs. VisibleSelection SelectionForParagraphIteration( const VisibleSelection& original) { … } const String& NonBreakingSpaceString() { … } // TODO(tkent): This is a workaround of some crash bugs in the editing code, // which assumes a document has a valid HTML structure. We should make the // editing code more robust, and should remove this hack. crbug.com/580941. void TidyUpHTMLStructure(Document& document) { … } InputEvent::InputType DeletionInputTypeFromTextGranularity( DeleteDirection direction, TextGranularity granularity) { … } void DispatchEditableContentChangedEvents(Element* start_root, Element* end_root) { … } static void DispatchInputEvent(Element* target, InputEvent::InputType input_type, const String& data, InputEvent::EventIsComposing is_composing) { … } void DispatchInputEventEditableContentChanged( Element* start_root, Element* end_root, InputEvent::InputType input_type, const String& data, InputEvent::EventIsComposing is_composing) { … } SelectionInDOMTree CorrectedSelectionAfterCommand( const SelectionForUndoStep& passed_selection, Document* document) { … } void ChangeSelectionAfterCommand(LocalFrame* frame, const SelectionInDOMTree& new_selection, const SetSelectionOptions& options) { … } InputEvent::EventIsComposing IsComposingFromCommand( const CompositeEditCommand* command) { … } // --------- VisiblePosition StartOfBlock(const VisiblePosition& visible_position, EditingBoundaryCrossingRule rule) { … } VisiblePosition EndOfBlock(const VisiblePosition& visible_position, EditingBoundaryCrossingRule rule) { … } bool IsStartOfBlock(const VisiblePosition& pos) { … } bool IsEndOfBlock(const VisiblePosition& pos) { … } } // namespace blink
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