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 45 bool placeholderIsVisible() const { return m_placeholderVisible; } 46 bool placeholderShouldBeVisible() const; 47 48 void addSearchResult(); 49 void stopSearchEventTimer(); 50 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; 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); 118 virtual void selectionChanged(unsigned, bool) {} 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; 123 virtual String itemToolTip(unsigned) const { return String(); } 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; 138 virtual bool shouldPopOver() const { return false; } 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 }; 167 168 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: 181 RenderTextControlInnerBlock(Node* node, bool isMultiLine) : RenderBlock(node), m_multiLine(isMultiLine) { } 182 183 private: 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
