/* * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) * Copyright (C) 2009 Igalia S.L. * * 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. */ #ifdef UNSAFE_BUFFERS_BUILD // TODO(crbug.com/351564777): Remove this and convert code to safer constructs. #pragma allow_unsafe_buffers #endif #include "third_party/blink/renderer/core/editing/commands/editor_command.h" #include <iterator> #include "base/metrics/histogram_functions.h" #include "third_party/blink/public/platform/platform.h" #include "third_party/blink/renderer/core/css/css_property_names.h" #include "third_party/blink/renderer/core/css/css_property_value_set.h" #include "third_party/blink/renderer/core/css_value_keywords.h" #include "third_party/blink/renderer/core/display_lock/display_lock_document_state.h" #include "third_party/blink/renderer/core/dom/events/event.h" #include "third_party/blink/renderer/core/dom/tag_collection.h" #include "third_party/blink/renderer/core/editing/commands/clipboard_commands.h" #include "third_party/blink/renderer/core/editing/commands/create_link_command.h" #include "third_party/blink/renderer/core/editing/commands/editing_command_type.h" #include "third_party/blink/renderer/core/editing/commands/editing_commands_utilities.h" #include "third_party/blink/renderer/core/editing/commands/editor_command_names.h" #include "third_party/blink/renderer/core/editing/commands/format_block_command.h" #include "third_party/blink/renderer/core/editing/commands/indent_outdent_command.h" #include "third_party/blink/renderer/core/editing/commands/insert_commands.h" #include "third_party/blink/renderer/core/editing/commands/move_commands.h" #include "third_party/blink/renderer/core/editing/commands/remove_format_command.h" #include "third_party/blink/renderer/core/editing/commands/style_commands.h" #include "third_party/blink/renderer/core/editing/commands/typing_command.h" #include "third_party/blink/renderer/core/editing/commands/undo_stack.h" #include "third_party/blink/renderer/core/editing/commands/unlink_command.h" #include "third_party/blink/renderer/core/editing/editing_tri_state.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_selection.h" #include "third_party/blink/renderer/core/editing/ime/edit_context.h" #include "third_party/blink/renderer/core/editing/ime/input_method_controller.h" #include "third_party/blink/renderer/core/editing/iterators/text_iterator.h" #include "third_party/blink/renderer/core/editing/kill_ring.h" #include "third_party/blink/renderer/core/editing/selection_modifier.h" #include "third_party/blink/renderer/core/editing/selection_template.h" #include "third_party/blink/renderer/core/editing/set_selection_options.h" #include "third_party/blink/renderer/core/editing/spellcheck/spell_checker.h" #include "third_party/blink/renderer/core/editing/visible_position.h" #include "third_party/blink/renderer/core/frame/local_dom_window.h" #include "third_party/blink/renderer/core/frame/local_frame.h" #include "third_party/blink/renderer/core/frame/local_frame_view.h" #include "third_party/blink/renderer/core/frame/settings.h" #include "third_party/blink/renderer/core/html/html_br_element.h" #include "third_party/blink/renderer/core/html_names.h" #include "third_party/blink/renderer/core/input/event_handler.h" #include "third_party/blink/renderer/core/input/keyboard_shortcut_recorder.h" #include "third_party/blink/renderer/core/layout/layout_text.h" #include "third_party/blink/renderer/core/page/chrome_client.h" #include "third_party/blink/renderer/core/page/page.h" #include "third_party/blink/renderer/core/scroll/scrollbar.h" #include "third_party/blink/renderer/platform/bindings/exception_state.h" #include "third_party/blink/renderer/platform/heap/garbage_collected.h" #include "third_party/blink/renderer/platform/runtime_enabled_features.h" #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" #include "third_party/blink/renderer/platform/wtf/text/atomic_string.h" namespace blink { namespace { struct CommandNameEntry { … }; const CommandNameEntry kCommandNameEntries[] = …; // Handles all commands except EditingCommandType::Invalid. static_assert …; EditingCommandType EditingCommandTypeFromCommandName( const String& command_name) { … } // |frame| is only used for |InsertNewline| due to how |executeInsertNewline()| // works. InputEvent::InputType InputTypeFromCommandType(EditingCommandType command_type, LocalFrame& frame) { … } StaticRangeVector* RangesFromCurrentSelectionOrExtendCaret( const LocalFrame& frame, SelectionModifyDirection direction, TextGranularity granularity) { … } EphemeralRange ComputeRangeForTranspose(LocalFrame& frame) { … } } // anonymous namespace class EditorInternalCommand { … }; static const bool kNotTextInsertion = …; static const bool kIsTextInsertion = …; static bool ExecuteApplyParagraphStyle(LocalFrame& frame, EditorCommandSource source, InputEvent::InputType input_type, CSSPropertyID property_id, const String& property_value) { … } bool ExpandSelectionToGranularity(LocalFrame& frame, TextGranularity granularity) { … } static bool HasChildTags(Element& element, const QualifiedName& tag_name) { … } static EditingTriState SelectionListState(LocalFrame& frame, const QualifiedName& tag_name) { … } static EphemeralRange UnionEphemeralRanges(const EphemeralRange& range1, const EphemeralRange& range2) { … } // Execute command functions static bool CanSmartCopyOrDelete(LocalFrame& frame) { … } static bool ExecuteCreateLink(LocalFrame& frame, Event*, EditorCommandSource, const String& value) { … } static bool ExecuteDefaultParagraphSeparator(LocalFrame& frame, Event*, EditorCommandSource, const String& value) { … } static void PerformDelete(LocalFrame& frame) { … } static bool ExecuteDelete(LocalFrame& frame, Event*, EditorCommandSource source, const String&) { … } static bool DeleteWithDirection(LocalFrame& frame, DeleteDirection direction, TextGranularity granularity, bool kill_ring, bool is_typing_action) { … } static bool ExecuteDeleteBackward(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteDeleteBackwardByDecomposingPreviousCharacter( LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteDeleteForward(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteDeleteToBeginningOfLine(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteDeleteToBeginningOfParagraph(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteDeleteToEndOfLine(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteDeleteToEndOfParagraph(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteDeleteToMark(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteDeleteWordBackward(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteDeleteWordForward(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteFindString(LocalFrame& frame, Event*, EditorCommandSource, const String& value) { … } static bool ExecuteFormatBlock(LocalFrame& frame, Event*, EditorCommandSource, const String& value) { … } static bool ExecuteForwardDelete(LocalFrame& frame, Event*, EditorCommandSource source, const String&) { … } static bool ExecuteIgnoreSpelling(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteIndent(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteJustifyCenter(LocalFrame& frame, Event*, EditorCommandSource source, const String&) { … } static bool ExecuteJustifyFull(LocalFrame& frame, Event*, EditorCommandSource source, const String&) { … } static bool ExecuteJustifyLeft(LocalFrame& frame, Event*, EditorCommandSource source, const String&) { … } static bool ExecuteJustifyRight(LocalFrame& frame, Event*, EditorCommandSource source, const String&) { … } static bool ExecuteOutdent(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteToggleOverwrite(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecutePrint(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteRedo(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteRemoveFormat(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteScrollPageBackward(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteScrollPageForward(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteScrollLineUp(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteScrollLineDown(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteScrollToBeginningOfDocument(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteScrollToEndOfDocument(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteSelectAll(LocalFrame& frame, Event*, EditorCommandSource source, const String&) { … } static bool ExecuteSelectLine(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteSelectParagraph(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteSelectSentence(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteSelectToMark(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteSelectWord(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteSetMark(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteSwapWithMark(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteTranspose(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteUndo(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteUnlink(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteUnselect(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteYank(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } static bool ExecuteYankAndSelect(LocalFrame& frame, Event*, EditorCommandSource, const String&) { … } // Supported functions static bool Supported(LocalFrame*) { … } static bool SupportedFromMenuOrKeyBinding(LocalFrame*) { … } // Enabled functions static bool Enabled(LocalFrame&, Event*, EditorCommandSource) { … } static bool EnabledVisibleSelection(LocalFrame& frame, Event* event, EditorCommandSource source) { … } static bool EnabledVisibleSelectionAndMark(LocalFrame& frame, Event* event, EditorCommandSource source) { … } static bool EnableCaretInEditableText(LocalFrame& frame, Event* event, EditorCommandSource source) { … } static bool EnabledInEditableText(LocalFrame& frame, Event* event, EditorCommandSource source) { … } static bool EnabledInEditableTextOrCaretBrowsing(LocalFrame& frame, Event* event, EditorCommandSource source) { … } static bool EnabledDelete(LocalFrame& frame, Event* event, EditorCommandSource source) { … } static bool EnabledInRichlyEditableText(LocalFrame& frame, Event*, EditorCommandSource source) { … } static bool EnabledRangeInEditableText(LocalFrame& frame, Event*, EditorCommandSource source) { … } static bool EnabledRangeInRichlyEditableText(LocalFrame& frame, Event*, EditorCommandSource source) { … } static bool EnabledRedo(LocalFrame& frame, Event*, EditorCommandSource) { … } static bool EnabledUndo(LocalFrame& frame, Event*, EditorCommandSource) { … } static bool EnabledUnselect(LocalFrame& frame, Event* event, EditorCommandSource source) { … } static bool EnabledSelectAll(LocalFrame& frame, Event*, EditorCommandSource source) { … } // State functions static EditingTriState StateNone(LocalFrame&, Event*) { … } EditingTriState StateOrderedList(LocalFrame& frame, Event*) { … } static EditingTriState StateUnorderedList(LocalFrame& frame, Event*) { … } static EditingTriState StateJustifyCenter(LocalFrame& frame, Event*) { … } static EditingTriState StateJustifyFull(LocalFrame& frame, Event*) { … } static EditingTriState StateJustifyLeft(LocalFrame& frame, Event*) { … } static EditingTriState StateJustifyRight(LocalFrame& frame, Event*) { … } // Value functions static String ValueStateOrNull(const EditorInternalCommand& self, LocalFrame& frame, Event* triggering_event) { … } // The command has no value. // https://w3c.github.io/editing/execCommand.html#querycommandvalue() // > ... or has no value, return the empty string. static String ValueEmpty(const EditorInternalCommand&, LocalFrame&, Event*) { … } static String ValueDefaultParagraphSeparator(const EditorInternalCommand&, LocalFrame& frame, Event*) { … } static String ValueFormatBlock(const EditorInternalCommand&, LocalFrame& frame, Event*) { … } // CanExectue functions static bool CanNotExecuteWhenDisabled(LocalFrame&, EditorCommandSource) { … } // Map of functions static const EditorInternalCommand* InternalCommand( const String& command_name) { … } EditorCommand Editor::CreateCommand(const String& command_name) const { … } EditorCommand Editor::CreateCommand(const String& command_name, EditorCommandSource source) const { … } bool Editor::ExecuteCommand(const String& command_name) { … } bool Editor::ExecuteCommand(const String& command_name, const String& value) { … } bool Editor::IsCommandEnabled(const String& command_name) const { … } EditorCommand::EditorCommand() : … { … } EditorCommand::EditorCommand(const EditorInternalCommand* command, EditorCommandSource source, LocalFrame* frame) : … { … } LocalFrame& EditorCommand::GetFrame() const { … } bool EditorCommand::Execute(const String& parameter, Event* triggering_event) const { … } bool EditorCommand::Execute(Event* triggering_event) const { … } bool EditorCommand::CanExecute(Event* triggering_event) const { … } bool EditorCommand::IsSupported() const { … } bool EditorCommand::IsEnabled(Event* triggering_event) const { … } EditingTriState EditorCommand::GetState(Event* triggering_event) const { … } String EditorCommand::Value(Event* triggering_event) const { … } bool EditorCommand::IsTextInsertion() const { … } bool EditorCommand::IsValueInterpretedAsHTML() const { … } int EditorCommand::IdForHistogram() const { … } const StaticRangeVector* EditorCommand::GetTargetRanges() const { … } } // namespace blink
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