1 /* 2 * Copyright (C) 2012 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 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef HTMLDialogElement_h 27 #define HTMLDialogElement_h 28 29 #include "core/html/HTMLElement.h" 30 31 namespace blink { 32 33 class Document; 34 class ExceptionState; 35 class QualifiedName; 36 37 class HTMLDialogElement FINAL : public HTMLElement { 38 DEFINE_WRAPPERTYPEINFO(); 39 public: 40 DECLARE_NODE_FACTORY(HTMLDialogElement); 41 42 void close(const String& returnValue, ExceptionState&); 43 void closeDialog(const String& returnValue = String()); 44 void show(); 45 void showModal(ExceptionState&); 46 virtual void removedFrom(ContainerNode*) OVERRIDE; 47 48 // NotCentered means do not center the dialog. Centered means the dialog has 49 // been centered and centeredPosition() is set. NeedsCentering means attempt 50 // to center on the next layout, then set to Centered or NotCentered. 51 enum CenteringMode { NotCentered, Centered, NeedsCentering }; centeringMode()52 CenteringMode centeringMode() const { return m_centeringMode; } centeredPosition()53 LayoutUnit centeredPosition() const 54 { 55 ASSERT(m_centeringMode == Centered); 56 return m_centeredPosition; 57 } 58 void setCentered(LayoutUnit centeredPosition); 59 void setNotCentered(); 60 returnValue()61 String returnValue() const { return m_returnValue; } setReturnValue(const String & returnValue)62 void setReturnValue(const String& returnValue) { m_returnValue = returnValue; } 63 64 private: 65 explicit HTMLDialogElement(Document&); 66 67 virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE; 68 virtual void defaultEventHandler(Event*) OVERRIDE; 69 70 void forceLayoutForCentering(); 71 72 CenteringMode m_centeringMode; 73 LayoutUnit m_centeredPosition; 74 String m_returnValue; 75 }; 76 77 } // namespace blink 78 79 #endif // HTMLDialogElement_h 80