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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004-2022 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#pragma once
#include "HTMLTextFormControlElement.h"
namespace WebCore {
class BeforeTextInsertedEvent;
class RenderTextControlMultiLine;
enum class SelectionRestorationMode : uint8_t;
class HTMLTextAreaElement final : public HTMLTextFormControlElement {
WTF_MAKE_ISO_ALLOCATED(HTMLTextAreaElement);
public:
WEBCORE_EXPORT static Ref<HTMLTextAreaElement> create(Document&);
static Ref<HTMLTextAreaElement> create(const QualifiedName&, Document&, HTMLFormElement*);
unsigned rows() const { return m_rows; }
WEBCORE_EXPORT void setRows(unsigned);
unsigned cols() const { return m_cols; }
WEBCORE_EXPORT void setCols(unsigned);
WEBCORE_EXPORT String defaultValue() const;
WEBCORE_EXPORT void setDefaultValue(String&&);
WEBCORE_EXPORT String value() const final;
WEBCORE_EXPORT ExceptionOr<void> setValue(const String&, TextFieldEventBehavior = DispatchNoEvent, TextControlSetValueSelection = TextControlSetValueSelection::SetSelectionToEnd) final;
unsigned textLength() const { return value().length(); }
String validationMessage() const final;
WEBCORE_EXPORT RefPtr<TextControlInnerTextElement> innerTextElement() const final;
bool shouldSaveAndRestoreFormControlState() const final { return true; }
private:
HTMLTextAreaElement(Document&, HTMLFormElement*);
void didAddUserAgentShadowRoot(ShadowRoot&) final;
static String sanitizeUserInputValue(const String& proposedValue, unsigned maxLength);
void handleBeforeTextInsertedEvent(BeforeTextInsertedEvent&) const;
void updateValue() const;
void setNonDirtyValue(const String&, TextControlSetValueSelection);
void setValueCommon(const String&, TextFieldEventBehavior, TextControlSetValueSelection);
bool supportsReadOnly() const final { return true; }
bool supportsPlaceholder() const final { return true; }
HTMLElement* placeholderElement() const final { return m_placeholder.get(); }
void updatePlaceholderText() final;
bool isEmptyValue() const final { return value().isEmpty(); }
bool isOptionalFormControl() const final { return !isRequiredFormControl(); }
bool isRequiredFormControl() const final { return isRequired(); }
void defaultEventHandler(Event&) final;
void subtreeHasChanged() final;
bool isEnumeratable() const final { return true; }
bool isLabelable() const final { return true; }
bool isInteractiveContent() const final { return true; }
const AtomString& formControlType() const final;
FormControlState saveFormControlState() const final;
void restoreFormControlState(const FormControlState&) final;
bool isTextField() const final { return true; }
void childrenChanged(const ChildChange&) final;
void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason) final;
bool hasPresentationalHintsForAttribute(const QualifiedName&) const final;
void collectPresentationalHintsForAttribute(const QualifiedName&, const AtomString&, MutableStyleProperties&) final;
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;
bool appendFormData(DOMFormData&) final;
void reset() final;
bool hasCustomFocusLogic() const final { return true; }
int defaultTabIndex() const final { return 0; }
bool isMouseFocusable() const final { return isFocusable(); }
bool isKeyboardFocusable(KeyboardEvent*) const final { return isFocusable(); }
void updateFocusAppearance(SelectionRestorationMode, SelectionRevealMode) final;
bool accessKeyAction(bool) final;
bool shouldUseInputMethod() final { return true; }
bool matchesReadWritePseudoClass() const final { return isMutable(); }
bool valueMissing() const final;
bool tooShort() const final;
bool tooLong() const final;
bool isValidValue(StringView) const;
bool valueMissing(StringView valueOverride) const;
bool tooShort(StringView valueOverride, NeedsToCheckDirtyFlag) const;
bool tooLong(StringView valueOverride, NeedsToCheckDirtyFlag) const;
RefPtr<TextControlInnerTextElement> innerTextElementCreatingShadowSubtreeIfNeeded() final;
RenderStyle createInnerTextStyle(const RenderStyle&) final;
void copyNonAttributePropertiesFromElement(const Element&) final;
bool willRespondToMouseClickEventsWithEditability(Editability) const final { return !isDisabledFormControl(); }
RenderTextControlMultiLine* renderer() const;
enum WrapMethod : uint8_t { NoWrap, SoftWrap, HardWrap };
static constexpr unsigned defaultRows = 2;
static constexpr unsigned defaultCols = 20;
unsigned m_rows { defaultRows };
unsigned m_cols { defaultCols };
RefPtr<HTMLElement> m_placeholder;
mutable String m_value;
WrapMethod m_wrap { SoftWrap };
mutable uint8_t m_isDirty { false }; // uint8_t for better packing on Windows
mutable uint8_t m_wasModifiedByUser { false }; // uint8_t for better packing on Windows
};
} // namespace
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