1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26 #ifndef ClearButtonElement_h 27 #define ClearButtonElement_h 28 29 #include "core/html/HTMLDivElement.h" 30 #include "wtf/Forward.h" 31 32 namespace WebCore { 33 34 class ClearButtonElement FINAL : public HTMLDivElement { 35 public: 36 class ClearButtonOwner : public WillBeGarbageCollectedMixin { 37 public: ~ClearButtonOwner()38 virtual ~ClearButtonOwner() { } 39 virtual void focusAndSelectClearButtonOwner() = 0; 40 virtual bool shouldClearButtonRespondToMouseEvents() = 0; 41 virtual void clearValue() = 0; 42 }; 43 44 static PassRefPtrWillBeRawPtr<ClearButtonElement> create(Document&, ClearButtonOwner&); 45 void releaseCapture(); removeClearButtonOwner()46 void removeClearButtonOwner() { m_clearButtonOwner = nullptr; } 47 48 virtual void trace(Visitor*) OVERRIDE; 49 50 private: 51 ClearButtonElement(Document&, ClearButtonOwner&); 52 virtual void detach(const AttachContext& = AttachContext()) OVERRIDE; isMouseFocusable()53 virtual bool isMouseFocusable() const OVERRIDE { return false; } 54 virtual void defaultEventHandler(Event*) OVERRIDE; 55 virtual bool isClearButtonElement() const OVERRIDE; 56 57 RawPtrWillBeMember<ClearButtonOwner> m_clearButtonOwner; 58 bool m_capturing; 59 }; 60 61 DEFINE_TYPE_CASTS(ClearButtonElement, Element, element, element->isClearButtonElement(), element.isClearButtonElement()); 62 63 } // namespace 64 65 #endif // ClearButtonElement_h 66