1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 * Copyright (C) 2011 Apple Inc. All rights reserved.
4 * Copyright (C) 2012 Samsung Electronics. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 *     * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *     * Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following disclaimer
14 * in the documentation and/or other materials provided with the
15 * distribution.
16 *     * Neither the name of Google Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#ifndef InputTypeView_h
34#define InputTypeView_h
35
36#include "core/page/FocusDirection.h"
37#include "wtf/FastAllocBase.h"
38#include "wtf/Forward.h"
39#include "wtf/Noncopyable.h"
40#include "wtf/RefCounted.h"
41#include "wtf/RefPtr.h"
42
43namespace WebCore {
44
45class BeforeTextInsertedEvent;
46class Element;
47class Event;
48class HTMLFormElement;
49class HTMLInputElement;
50class KeyboardEvent;
51class MouseEvent;
52class RenderObject;
53class RenderStyle;
54class TouchEvent;
55
56struct ClickHandlingState {
57    WTF_MAKE_FAST_ALLOCATED;
58
59public:
60    bool checked;
61    bool indeterminate;
62    RefPtr<HTMLInputElement> checkedRadioButton;
63};
64
65// An InputTypeView object represents the UI-specific part of an
66// HTMLInputElement. Do not expose instances of InputTypeView and classes
67// derived from it to classes other than HTMLInputElement.
68class InputTypeView : public RefCounted<InputTypeView> {
69    WTF_MAKE_NONCOPYABLE(InputTypeView);
70    WTF_MAKE_FAST_ALLOCATED;
71
72public:
73    static PassRefPtr<InputTypeView> create(HTMLInputElement&);
74    virtual ~InputTypeView();
75
76    virtual bool sizeShouldIncludeDecoration(int defaultSize, int& preferredSize) const;
77    virtual void handleClickEvent(MouseEvent*);
78    virtual void handleMouseDownEvent(MouseEvent*);
79    virtual PassOwnPtr<ClickHandlingState> willDispatchClick();
80    virtual void didDispatchClick(Event*, const ClickHandlingState&);
81    virtual void handleKeydownEvent(KeyboardEvent*);
82    virtual void handleKeypressEvent(KeyboardEvent*);
83    virtual void handleKeyupEvent(KeyboardEvent*);
84    virtual void handleBeforeTextInsertedEvent(BeforeTextInsertedEvent*);
85    virtual void handleTouchEvent(TouchEvent*);
86    virtual void forwardEvent(Event*);
87    virtual bool shouldSubmitImplicitly(Event*);
88    virtual PassRefPtr<HTMLFormElement> formForSubmission() const;
89    virtual bool hasCustomFocusLogic() const;
90    virtual void handleFocusEvent(Element* oldFocusedElement, FocusDirection);
91    virtual void handleBlurEvent();
92    virtual void subtreeHasChanged();
93    virtual bool hasTouchEventHandler() const;
94    virtual void blur();
95    virtual RenderObject* createRenderer(RenderStyle*) const;
96    virtual PassRefPtr<RenderStyle> customStyleForRenderer(PassRefPtr<RenderStyle>);
97    virtual void startResourceLoading();
98    virtual void closePopupView();
99    virtual void createShadowSubtree();
100    virtual void destroyShadowSubtree();
101    virtual void minOrMaxAttributeChanged();
102    virtual void stepAttributeChanged();
103    virtual void altAttributeChanged();
104    virtual void srcAttributeChanged();
105    virtual void updateView();
106    virtual void attributeChanged();
107    virtual void multipleAttributeChanged();
108    virtual void disabledAttributeChanged();
109    virtual void readonlyAttributeChanged();
110    virtual void requiredAttributeChanged();
111    virtual void valueAttributeChanged();
112    virtual void listAttributeTargetChanged();
113    virtual void updateClearButtonVisibility();
114
115protected:
116    InputTypeView(HTMLInputElement& element) : m_element(element) { }
117    HTMLInputElement& element() const { return m_element; }
118
119private:
120    // Not a RefPtr because the HTMLInputElement object owns this InputTypeView
121    // object.
122    HTMLInputElement& m_element;
123};
124
125} // namespace WebCore
126#endif
127