chromium/src/third_party/blink/renderer/core/html/forms/picker_indicator_element.h

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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_PICKER_INDICATOR_ELEMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_PICKER_INDICATOR_ELEMENT_H_

#include "third_party/blink/renderer/core/html/forms/date_time_chooser.h"
#include "third_party/blink/renderer/core/html/forms/date_time_chooser_client.h"
#include "third_party/blink/renderer/core/html/html_div_element.h"

namespace blink {

class PickerIndicatorElement final : public HTMLDivElement,
                                     public DateTimeChooserClient {
 public:
  // PickerIndicatorOwner implementer must call removePickerIndicatorOwner when
  // it doesn't handle event, e.g. at destruction.
  class PickerIndicatorOwner : public GarbageCollectedMixin {
   public:
    virtual ~PickerIndicatorOwner() = default;
    virtual bool IsPickerIndicatorOwnerDisabledOrReadOnly() const = 0;
    // FIXME: Remove. Deprecated in favor of double version.
    virtual void PickerIndicatorChooseValue(const String&) = 0;
    virtual void PickerIndicatorChooseValue(double) = 0;
    virtual Element& PickerOwnerElement() const = 0;
    virtual bool SetupDateTimeChooserParameters(DateTimeChooserParameters&) = 0;
    virtual void DidEndChooser() = 0;
    virtual String AriaRoleForPickerIndicator() const = 0;
  };

  PickerIndicatorElement(Document&, PickerIndicatorOwner&);
  ~PickerIndicatorElement() override;
  void Trace(Visitor*) const override;

  void OpenPopup();
  void ClosePopup();
  bool HasOpenedPopup() const;
  bool WillRespondToMouseClickEvents() override;
  void RemovePickerIndicatorOwner() { picker_indicator_owner_ = nullptr; }
  AXObject* PopupRootAXObject() const;

  // DateTimeChooserClient implementation.
  Element& OwnerElement() const override;
  void DidChooseValue(const String&) override;
  void DidChooseValue(double) override;
  void DidEndChooser() override;

 private:
  LayoutObject* CreateLayoutObject(const ComputedStyle&, LegacyLayout) override;
  void DefaultEventHandler(Event&) override;
  void DetachLayoutTree(bool performing_reattach) override;
  bool IsPickerIndicatorElement() const override;
  InsertionNotificationRequest InsertedInto(ContainerNode&) override;
  void DidNotifySubtreeInsertionsToDocument() override;

  Member<PickerIndicatorOwner> picker_indicator_owner_;
  Member<DateTimeChooser> chooser_;
};

template <>
struct DowncastTraits<PickerIndicatorElement> {
  static bool AllowFrom(const Element& element) {
    return element.IsPickerIndicatorElement();
  }
};

}  // namespace blink
#endif