1 /* 2 * Copyright (C) 2006, 2007 Apple 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 COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef DeleteButtonController_h 27 #define DeleteButtonController_h 28 29 #include "DeleteButton.h" 30 31 namespace WebCore { 32 33 class DeleteButton; 34 class Frame; 35 class HTMLElement; 36 class RenderObject; 37 class VisibleSelection; 38 39 class DeleteButtonController { 40 WTF_MAKE_NONCOPYABLE(DeleteButtonController); WTF_MAKE_FAST_ALLOCATED; 41 public: 42 DeleteButtonController(Frame*); 43 44 static const char* const containerElementIdentifier; 45 46 HTMLElement* target() const { return m_target.get(); } 47 HTMLElement* containerElement() const { return m_containerElement.get(); } 48 49 void respondToChangedSelection(const VisibleSelection& oldSelection); 50 51 void show(HTMLElement*); 52 void hide(); 53 54 bool enabled() const { return (m_disableStack == 0); } 55 void enable(); 56 void disable(); 57 58 void deleteTarget(); 59 60 private: 61 static const char* const buttonElementIdentifier; 62 static const char* const outlineElementIdentifier; 63 64 void createDeletionUI(); 65 66 Frame* m_frame; 67 RefPtr<HTMLElement> m_target; 68 RefPtr<HTMLElement> m_containerElement; 69 RefPtr<HTMLElement> m_outlineElement; 70 RefPtr<DeleteButton> m_buttonElement; 71 bool m_wasStaticPositioned; 72 bool m_wasAutoZIndex; 73 unsigned m_disableStack; 74 }; 75 76 } // namespace WebCore 77 78 #endif 79
