| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_CLEAR_BUTTON_ELEMENT_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_CLEAR_BUTTON_ELEMENT_H_ |
| |
| #include "third_party/blink/renderer/core/html/html_div_element.h" |
| #include "third_party/blink/renderer/platform/wtf/forward.h" |
| |
| namespace blink { |
| |
| class ClearButtonElement final : public HTMLDivElement { |
| public: |
| class ClearButtonOwner : public GarbageCollectedMixin { |
| public: |
| virtual ~ClearButtonOwner() = default; |
| virtual void FocusAndSelectClearButtonOwner() = 0; |
| virtual bool ShouldClearButtonRespondToMouseEvents() = 0; |
| virtual void ClearValue() = 0; |
| }; |
| |
| ClearButtonElement(Document&, ClearButtonOwner&); |
| |
| void RemoveClearButtonOwner() { clear_button_owner_ = nullptr; } |
| |
| void Trace(Visitor*) override; |
| |
| private: |
| void DetachLayoutTree(bool performing_reattach) override; |
| bool IsMouseFocusable() const override { return false; } |
| void DefaultEventHandler(Event&) override; |
| bool IsClearButtonElement() const override; |
| |
| Member<ClearButtonOwner> clear_button_owner_; |
| }; |
| |
| DEFINE_TYPE_CASTS(ClearButtonElement, |
| Element, |
| element, |
| element->IsClearButtonElement(), |
| element.IsClearButtonElement()); |
| |
| template <> |
| struct DowncastTraits<ClearButtonElement> { |
| static bool AllowFrom(const Element& element) { |
| return element.IsClearButtonElement(); |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_CLEAR_BUTTON_ELEMENT_H_ |