/* * 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. */ // 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. #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_COMMANDS_STYLE_COMMANDS_H_ #define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_COMMANDS_STYLE_COMMANDS_H_ #include "mojo/public/mojom/base/text_direction.mojom-blink-forward.h" #include "third_party/blink/renderer/core/core_export.h" #include "third_party/blink/renderer/core/events/input_event.h" #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" #include "third_party/blink/renderer/platform/wtf/forward.h" namespace blink { class CSSPropertyValueSet; class EditingStyle; class EditorInternalCommand; class Event; class LocalFrame; enum class EditingTriState; enum class EditorCommandSource; // This class provides static functions about commands related to style. class CORE_EXPORT StyleCommands { STATIC_ONLY(StyleCommands); public: // Returns |bool| value for Document#execCommand(). static bool ExecuteBackColor(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteForeColor(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteFontName(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteFontSize(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteFontSizeDelta(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteToggleBold(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteToggleItalic(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteSubscript(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteSuperscript(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteUnscript(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteStrikethrough(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteUnderline(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteMakeTextWritingDirectionLeftToRight(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteMakeTextWritingDirectionNatural(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteMakeTextWritingDirectionRightToLeft(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteStyleWithCss(LocalFrame&, Event*, EditorCommandSource, const String&); static bool ExecuteUseCss(LocalFrame&, Event*, EditorCommandSource, const String&); // State functions static EditingTriState StateStyle(LocalFrame&, CSSPropertyID, const char*); static EditingTriState StateBold(LocalFrame&, Event*); static EditingTriState StateItalic(LocalFrame&, Event*); static EditingTriState StateStrikethrough(LocalFrame&, Event*); static EditingTriState StateStyleWithCss(LocalFrame&, Event*); static EditingTriState StateSubscript(LocalFrame&, Event*); static EditingTriState StateSuperscript(LocalFrame&, Event*); static EditingTriState StateTextWritingDirectionLeftToRight(LocalFrame&, Event*); static EditingTriState StateTextWritingDirectionNatural(LocalFrame&, Event*); static EditingTriState StateTextWritingDirectionRightToLeft(LocalFrame&, Event*); static EditingTriState StateUnderline(LocalFrame&, Event*); // Value functions static String ValueBackColor(const EditorInternalCommand&, LocalFrame&, Event*); static String ValueForeColor(const EditorInternalCommand&, LocalFrame&, Event*); static String ValueFontName(const EditorInternalCommand&, LocalFrame&, Event*); static String ValueFontSize(const EditorInternalCommand&, LocalFrame&, Event*); static String ValueFontSizeDelta(const EditorInternalCommand&, LocalFrame&, Event*); static String ValueJustify(const EditorInternalCommand&, LocalFrame&, Event*); private: static void ApplyStyle(LocalFrame&, CSSPropertyValueSet*, InputEvent::InputType); static void ApplyStyleToSelection(LocalFrame&, CSSPropertyValueSet*, InputEvent::InputType); static bool ApplyCommandToFrame(LocalFrame&, EditorCommandSource, InputEvent::InputType, CSSPropertyValueSet*); static bool ExecuteApplyStyle(LocalFrame&, EditorCommandSource, InputEvent::InputType, CSSPropertyID, const String&); static bool ExecuteApplyStyle(LocalFrame&, EditorCommandSource, InputEvent::InputType, CSSPropertyID, CSSValueID); static bool ExecuteToggleStyle(LocalFrame&, EditorCommandSource, InputEvent::InputType, CSSPropertyID, const char* off_value, const char* on_value); // FIXME: executeToggleStyleInList does not handle complicated cases such as // helloworld properly. This function must use // EditingStyle::SelectionHasStyle to determine the current style but we // cannot fix this until https://bugs.webkit.org/show_bug.cgi?id=27818 is // resolved. static bool ExecuteToggleStyleInList(LocalFrame&, EditorCommandSource, InputEvent::InputType, CSSPropertyID, const CSSValue&); static String ComputeToggleStyleInList(EditingStyle&, CSSPropertyID, const CSSValue&); static bool SelectionStartHasStyle(LocalFrame&, CSSPropertyID, const String&); static String SelectionStartCssPropertyValue(LocalFrame&, CSSPropertyID); static String ValueStyle(LocalFrame&, CSSPropertyID); static bool IsUnicodeBidiNestedOrMultipleEmbeddings(CSSValueID); // TODO(editing-dev): We should make |TextDirectionForSelection()| to take // |SelectionInDomTree|. static mojo_base::mojom::blink::TextDirection TextDirectionForSelection(const VisibleSelection&, EditingStyle*, bool&); static EditingTriState StateTextWritingDirection( LocalFrame&, mojo_base::mojom::blink::TextDirection); }; } // namespace blink #endif // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_COMMANDS_STYLE_COMMANDS_H_