HTMLTextFormControlElement.h [plain text]
#ifndef HTMLTextFormControlElement_h
#define HTMLTextFormControlElement_h
#include "HTMLFormControlElementWithState.h"
namespace WebCore {
class Position;
class RenderTextControl;
class TextControlInnerTextElement;
class VisiblePosition;
enum class AutoFillButtonType : uint8_t { None, Credentials, Contacts };
enum TextFieldSelectionDirection { SelectionHasNoDirection, SelectionHasForwardDirection, SelectionHasBackwardDirection };
enum TextFieldEventBehavior { DispatchNoEvent, DispatchChangeEvent, DispatchInputAndChangeEvent };
class HTMLTextFormControlElement : public HTMLFormControlElementWithState {
public:
enum NeedsToCheckDirtyFlag {CheckDirtyFlag, IgnoreDirtyFlag};
virtual ~HTMLTextFormControlElement();
void didEditInnerTextValue();
void forwardEvent(Event*);
void setMaxLengthForBindings(int, ExceptionCode&);
InsertionNotificationRequest insertedInto(ContainerNode&) override;
bool isPlaceholderVisible() const { return m_isPlaceholderVisible; }
virtual bool supportsPlaceholder() const = 0;
String strippedPlaceholder() const;
virtual HTMLElement* placeholderElement() const = 0;
void updatePlaceholderVisibility();
int indexForVisiblePosition(const VisiblePosition&) const;
WEBCORE_EXPORT VisiblePosition visiblePositionForIndex(int index) const;
int selectionStart() const;
int selectionEnd() const;
const AtomicString& selectionDirection() const;
void setSelectionStart(int);
void setSelectionEnd(int);
void setSelectionDirection(const String&);
void select(const AXTextStateChangeIntent& = AXTextStateChangeIntent());
virtual void setRangeText(const String& replacement, ExceptionCode&);
virtual void setRangeText(const String& replacement, unsigned start, unsigned end, const String& selectionMode, ExceptionCode&);
void setSelectionRange(int start, int end, const String& direction, const AXTextStateChangeIntent& = AXTextStateChangeIntent());
void setSelectionRange(int start, int end, TextFieldSelectionDirection = SelectionHasNoDirection, const AXTextStateChangeIntent& = AXTextStateChangeIntent());
PassRefPtr<Range> selection() const;
String selectedText() const;
void dispatchFormControlChangeEvent() final;
virtual String value() const = 0;
virtual TextControlInnerTextElement* innerTextElement() const = 0;
virtual RenderStyle createInnerTextStyle(const RenderStyle&) const = 0;
void selectionChanged(bool shouldFireSelectEvent);
WEBCORE_EXPORT bool lastChangeWasUserEdit() const;
void setInnerTextValue(const String&);
String innerTextValue() const;
String directionForFormData() const;
void setTextAsOfLastFormControlChangeEvent(const String& text) { m_textAsOfLastFormControlChangeEvent = text; }
#if PLATFORM(IOS)
WEBCORE_EXPORT void hidePlaceholder();
WEBCORE_EXPORT void showPlaceholderIfNecessary();
#endif
protected:
HTMLTextFormControlElement(const QualifiedName&, Document&, HTMLFormElement*);
bool isPlaceholderEmpty() const;
virtual void updatePlaceholderText() = 0;
void parseAttribute(const QualifiedName&, const AtomicString&) override;
void disabledStateChanged() override;
void readOnlyAttributeChanged() override;
void updateInnerTextElementEditability();
void cacheSelection(int start, int end, TextFieldSelectionDirection direction)
{
m_cachedSelectionStart = start;
m_cachedSelectionEnd = end;
m_cachedSelectionDirection = direction;
}
void restoreCachedSelection(const AXTextStateChangeIntent& = AXTextStateChangeIntent());
bool hasCachedSelection() const { return m_cachedSelectionStart >= 0; }
virtual void subtreeHasChanged() = 0;
void setLastChangeWasNotUserEdit() { m_lastChangeWasUserEdit = false; }
String valueWithHardLineBreaks() const;
void adjustInnerTextStyle(const RenderStyle& parentStyle, RenderStyle& textBlockStyle) const;
private:
TextFieldSelectionDirection cachedSelectionDirection() const { return static_cast<TextFieldSelectionDirection>(m_cachedSelectionDirection); }
int computeSelectionStart() const;
int computeSelectionEnd() const;
TextFieldSelectionDirection computeSelectionDirection() const;
void dispatchFocusEvent(RefPtr<Element>&& oldFocusedElement, FocusDirection) final;
void dispatchBlurEvent(RefPtr<Element>&& newFocusedElement) final;
bool childShouldCreateRenderer(const Node&) const override;
unsigned indexForPosition(const Position&) const;
virtual bool isEmptyValue() const = 0;
virtual void handleFocusEvent(Node* , FocusDirection) { }
virtual void handleBlurEvent() { }
bool placeholderShouldBeVisible() const;
String m_textAsOfLastFormControlChangeEvent;
int m_cachedSelectionStart;
int m_cachedSelectionEnd;
unsigned char m_cachedSelectionDirection : 2;
unsigned char m_lastChangeWasUserEdit : 1;
unsigned char m_isPlaceholderVisible : 1;
};
HTMLTextFormControlElement* enclosingTextFormControl(const Position&);
}
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::HTMLTextFormControlElement)
static bool isType(const WebCore::Element& element) { return element.isTextFormControl(); }
static bool isType(const WebCore::Node& node) { return is<WebCore::Element>(node) && isType(downcast<WebCore::Element>(node)); }
SPECIALIZE_TYPE_TRAITS_END()
#endif