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/*
* Copyright (C) 2006, 2007 Apple 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
* 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 DeleteButtonController_h
#define DeleteButtonController_h
#include "DeleteButton.h"
namespace WebCore {
class DeleteButton;
class Frame;
class HTMLElement;
class RenderObject;
class VisibleSelection;
class DeleteButtonController {
WTF_MAKE_NONCOPYABLE(DeleteButtonController); WTF_MAKE_FAST_ALLOCATED;
public:
DeleteButtonController(Frame*);
static const char* const containerElementIdentifier;
HTMLElement* target() const { return m_target.get(); }
HTMLElement* containerElement() const { return m_containerElement.get(); }
void respondToChangedSelection(const VisibleSelection& oldSelection);
void show(HTMLElement*);
void hide();
bool enabled() const { return (m_disableStack == 0); }
void enable();
void disable();
void deleteTarget();
private:
static const char* const buttonElementIdentifier;
static const char* const outlineElementIdentifier;
void createDeletionUI();
Frame* m_frame;
RefPtr<HTMLElement> m_target;
RefPtr<HTMLElement> m_containerElement;
RefPtr<HTMLElement> m_outlineElement;
RefPtr<DeleteButton> m_buttonElement;
bool m_wasStaticPositioned;
bool m_wasAutoZIndex;
unsigned m_disableStack;
};
} // namespace WebCore
#endif
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