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/*
* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Copyright 2018 The Chromium Authors. All rights reserved.
// 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/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 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*);
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
// <b><u>hello</u>world</b> 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