chromium/third_party/blink/renderer/core/editing/commands/indent_outdent_command.cc

/*
 * Copyright (C) 2006, 2008 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.
 */

#include "third_party/blink/renderer/core/editing/commands/indent_outdent_command.h"

#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/element_traversal.h"
#include "third_party/blink/renderer/core/editing/commands/editing_commands_utilities.h"
#include "third_party/blink/renderer/core/editing/commands/insert_list_command.h"
#include "third_party/blink/renderer/core/editing/editing_utilities.h"
#include "third_party/blink/renderer/core/editing/relocatable_position.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/html/html_br_element.h"
#include "third_party/blink/renderer/core/html/html_element.h"
#include "third_party/blink/renderer/core/html/html_li_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/html_names.h"
#include "third_party/blink/renderer/core/layout/layout_object.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"

namespace blink {

// Returns true if |node| is UL, OL, or BLOCKQUOTE with "display:block".
// "Outdent" command considers <BLOCKQUOTE style="display:inline"> makes
// indentation.
static bool IsHTMLListOrBlockquoteElement(const Node* node) { … }

IndentOutdentCommand::IndentOutdentCommand(Document& document,
                                           IndentType type_of_action)
    : … { … }

bool IndentOutdentCommand::TryIndentingAsListItem(
    const Position& start,
    const Position& end,
    VisiblePosition& out_end_of_next_of_paragraph_to_move,
    EditingState* editing_state) { … }

void IndentOutdentCommand::IndentIntoBlockquote(const Position& start,
                                                const Position& end,
                                                HTMLElement*& target_blockquote,
                                                EditingState* editing_state) { … }

void IndentOutdentCommand::OutdentParagraph(EditingState* editing_state) { … }

// FIXME: We should merge this function with
// ApplyBlockElementCommand::formatSelection
void IndentOutdentCommand::OutdentRegion(
    const VisiblePosition& start_of_selection,
    const VisiblePosition& end_of_selection,
    EditingState* editing_state) { … }

void IndentOutdentCommand::SetEndingSelectionToListChildIfListItem() { … }

void IndentOutdentCommand::FormatSelection(
    const VisiblePosition& start_of_selection,
    const VisiblePosition& end_of_selection,
    EditingState* editing_state) { … }

void IndentOutdentCommand::FormatRange(
    const Position& start,
    const Position& end,
    const Position&,
    HTMLElement*& blockquote_for_next_indent,
    VisiblePosition& out_end_of_next_of_paragraph_to_move,
    EditingState* editing_state) { … }

InputEvent::InputType IndentOutdentCommand::GetInputType() const { … }

}  // namespace blink