1 /*
2 * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
3 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
4 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 *
21 */
22
23 #ifndef RenderTextControlSingleLine_h
24 #define RenderTextControlSingleLine_h
25
26 #include "PopupMenuClient.h"
27 #include "RenderTextControl.h"
28 #include "SearchPopupMenu.h"
29 #include "Timer.h"
30
31 namespace WebCore {
32
33 class InputElement;
34 class InputFieldSpeechButtonElement;
35 class SearchFieldCancelButtonElement;
36 class SearchFieldResultsButtonElement;
37 class SpinButtonElement;
38 class TextControlInnerElement;
39
40 class RenderTextControlSingleLine : public RenderTextControl, private PopupMenuClient {
41 public:
42 RenderTextControlSingleLine(Node*, bool);
43 virtual ~RenderTextControlSingleLine();
44
placeholderIsVisible()45 bool placeholderIsVisible() const { return m_placeholderVisible; }
46 bool placeholderShouldBeVisible() const;
47
48 void addSearchResult();
49 void stopSearchEventTimer();
50
popupIsVisible()51 bool popupIsVisible() const { return m_searchPopupIsVisible; }
52 void showPopup();
53 void hidePopup();
54
55 void forwardEvent(Event*);
56
57 void capsLockStateMayHaveChanged();
58
59 // Decoration width outside of the text field.
60 int decorationWidthRight() const;
61
62 private:
63 int preferredDecorationWidthRight() const;
64 virtual bool hasControlClip() const;
65 virtual IntRect controlClipRect(int tx, int ty) const;
isTextField()66 virtual bool isTextField() const { return true; }
67
68 virtual void subtreeHasChanged();
69 virtual void paint(PaintInfo&, int tx, int ty);
70 virtual void paintBoxDecorations(PaintInfo&, int tx, int ty);
71 virtual void addFocusRingRects(Vector<IntRect>&, int tx, int ty);
72 virtual void layout();
73
74 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
75
76 virtual void autoscroll();
77
78 // Subclassed to forward to our inner div.
79 virtual int scrollLeft() const;
80 virtual int scrollTop() const;
81 virtual int scrollWidth() const;
82 virtual int scrollHeight() const;
83 virtual void setScrollLeft(int);
84 virtual void setScrollTop(int);
85 virtual bool scroll(ScrollDirection, ScrollGranularity, float multiplier = 1, Node** stopNode = 0);
86 virtual bool logicalScroll(ScrollLogicalDirection, ScrollGranularity, float multiplier = 1, Node** stopNode = 0);
87
88 int textBlockWidth() const;
89 virtual float getAvgCharWidth(AtomicString family);
90 virtual int preferredContentWidth(float charWidth) const;
91 virtual void adjustControlHeightBasedOnLineHeight(int lineHeight);
92
93 void createSubtreeIfNeeded();
94 virtual void updateFromElement();
95 virtual void cacheSelection(int start, int end);
96 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
97
98 virtual RenderStyle* textBaseStyle() const;
99 virtual PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle) const;
100 PassRefPtr<RenderStyle> createInnerBlockStyle(const RenderStyle* startStyle) const;
101 PassRefPtr<RenderStyle> createResultsButtonStyle(const RenderStyle* startStyle) const;
102 PassRefPtr<RenderStyle> createCancelButtonStyle(const RenderStyle* startStyle) const;
103 PassRefPtr<RenderStyle> createInnerSpinButtonStyle() const;
104 PassRefPtr<RenderStyle> createOuterSpinButtonStyle() const;
105 #if ENABLE(INPUT_SPEECH)
106 PassRefPtr<RenderStyle> createSpeechButtonStyle() const;
107 #endif
108
109 void updateCancelButtonVisibility() const;
110 EVisibility visibilityForCancelButton() const;
111 const AtomicString& autosaveName() const;
112
113 void startSearchEventTimer();
114 void searchEventTimerFired(Timer<RenderTextControlSingleLine>*);
115
116 // PopupMenuClient methods
117 virtual void valueChanged(unsigned listIndex, bool fireEvents = true);
selectionChanged(unsigned,bool)118 virtual void selectionChanged(unsigned, bool) {}
selectionCleared()119 virtual void selectionCleared() {}
120 virtual String itemText(unsigned listIndex) const;
121 virtual String itemLabel(unsigned listIndex) const;
122 virtual String itemIcon(unsigned listIndex) const;
itemToolTip(unsigned)123 virtual String itemToolTip(unsigned) const { return String(); }
itemAccessibilityText(unsigned)124 virtual String itemAccessibilityText(unsigned) const { return String(); }
125 virtual bool itemIsEnabled(unsigned listIndex) const;
126 virtual PopupMenuStyle itemStyle(unsigned listIndex) const;
127 virtual PopupMenuStyle menuStyle() const;
128 virtual int clientInsetLeft() const;
129 virtual int clientInsetRight() const;
130 virtual int clientPaddingLeft() const;
131 virtual int clientPaddingRight() const;
132 virtual int listSize() const;
133 virtual int selectedIndex() const;
134 virtual void popupDidHide();
135 virtual bool itemIsSeparator(unsigned listIndex) const;
136 virtual bool itemIsLabel(unsigned listIndex) const;
137 virtual bool itemIsSelected(unsigned listIndex) const;
shouldPopOver()138 virtual bool shouldPopOver() const { return false; }
valueShouldChangeOnHotTrack()139 virtual bool valueShouldChangeOnHotTrack() const { return false; }
140 virtual void setTextFromItem(unsigned listIndex);
141 virtual FontSelector* fontSelector() const;
142 virtual HostWindow* hostWindow() const;
143 virtual PassRefPtr<Scrollbar> createScrollbar(ScrollableArea*, ScrollbarOrientation, ScrollbarControlSize);
144
145 InputElement* inputElement() const;
146
147 virtual int textBlockInsetLeft() const;
148 virtual int textBlockInsetRight() const;
149 virtual int textBlockInsetTop() const;
150
151 bool m_searchPopupIsVisible;
152 bool m_shouldDrawCapsLockIndicator;
153
154 RefPtr<TextControlInnerElement> m_innerBlock;
155 RefPtr<SearchFieldResultsButtonElement> m_resultsButton;
156 RefPtr<SearchFieldCancelButtonElement> m_cancelButton;
157 RefPtr<TextControlInnerElement> m_innerSpinButton;
158 RefPtr<TextControlInnerElement> m_outerSpinButton;
159 #if ENABLE(INPUT_SPEECH)
160 RefPtr<InputFieldSpeechButtonElement> m_speechButton;
161 #endif
162
163 Timer<RenderTextControlSingleLine> m_searchEventTimer;
164 RefPtr<SearchPopupMenu> m_searchPopup;
165 Vector<String> m_recentSearches;
166 };
167
toRenderTextControlSingleLine(RenderObject * object)168 inline RenderTextControlSingleLine* toRenderTextControlSingleLine(RenderObject* object)
169 {
170 ASSERT(!object || object->isTextField());
171 return static_cast<RenderTextControlSingleLine*>(object);
172 }
173
174 // This will catch anyone doing an unnecessary cast.
175 void toRenderTextControlSingleLine(const RenderTextControlSingleLine*);
176
177 // ----------------------------
178
179 class RenderTextControlInnerBlock : public RenderBlock {
180 public:
RenderTextControlInnerBlock(Node * node,bool isMultiLine)181 RenderTextControlInnerBlock(Node* node, bool isMultiLine) : RenderBlock(node), m_multiLine(isMultiLine) { }
182
183 private:
hasLineIfEmpty()184 virtual bool hasLineIfEmpty() const { return true; }
185 virtual VisiblePosition positionForPoint(const IntPoint&);
186
187 bool m_multiLine;
188 };
189
190 }
191
192 #endif
193