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 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 * 20 */ 21 22 #ifndef RenderTextControlSingleLine_h 23 #define RenderTextControlSingleLine_h 24 25 #include "PopupMenuClient.h" 26 #include "RenderTextControl.h" 27 #include "Timer.h" 28 29 namespace WebCore { 30 31 class InputElement; 32 class SearchFieldCancelButtonElement; 33 class SearchFieldResultsButtonElement; 34 class SearchPopupMenu; 35 class TextControlInnerElement; 36 37 class RenderTextControlSingleLine : public RenderTextControl, private PopupMenuClient { 38 public: 39 RenderTextControlSingleLine(Node*, bool); 40 virtual ~RenderTextControlSingleLine(); 41 42 bool placeholderIsVisible() const { return m_placeholderVisible; } 43 bool placeholderShouldBeVisible() const; 44 45 void addSearchResult(); 46 void stopSearchEventTimer(); 47 48 bool popupIsVisible() const { return m_searchPopupIsVisible; } 49 void showPopup(); 50 void hidePopup(); 51 52 void forwardEvent(Event*); 53 54 void capsLockStateMayHaveChanged(); 55 56 private: 57 virtual bool hasControlClip() const { return m_cancelButton; } 58 virtual bool isTextField() const { return true; } 59 60 virtual void subtreeHasChanged(); 61 virtual void paint(PaintInfo&, int tx, int ty); 62 virtual void layout(); 63 64 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction); 65 66 virtual void autoscroll(); 67 68 // Subclassed to forward to our inner div. 69 virtual int scrollLeft() const; 70 virtual int scrollTop() const; 71 virtual int scrollWidth() const; 72 virtual int scrollHeight() const; 73 virtual void setScrollLeft(int); 74 virtual void setScrollTop(int); 75 virtual bool scroll(ScrollDirection, ScrollGranularity, float multiplier = 1.0f, Node** stopNode = 0); 76 77 int textBlockWidth() const; 78 virtual int preferredContentWidth(float charWidth) const; 79 virtual void adjustControlHeightBasedOnLineHeight(int lineHeight); 80 81 void createSubtreeIfNeeded(); 82 virtual void updateFromElement(); 83 virtual void cacheSelection(int start, int end); 84 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 85 86 virtual RenderStyle* textBaseStyle() const; 87 virtual PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle) const; 88 PassRefPtr<RenderStyle> createInnerBlockStyle(const RenderStyle* startStyle) const; 89 PassRefPtr<RenderStyle> createResultsButtonStyle(const RenderStyle* startStyle) const; 90 PassRefPtr<RenderStyle> createCancelButtonStyle(const RenderStyle* startStyle) const; 91 92 void updateCancelButtonVisibility() const; 93 EVisibility visibilityForCancelButton() const; 94 const AtomicString& autosaveName() const; 95 96 void startSearchEventTimer(); 97 void searchEventTimerFired(Timer<RenderTextControlSingleLine>*); 98 99 // PopupMenuClient methods 100 virtual void valueChanged(unsigned listIndex, bool fireEvents = true); 101 virtual String itemText(unsigned listIndex) const; 102 virtual String itemToolTip(unsigned) const { return String(); } 103 virtual bool itemIsEnabled(unsigned listIndex) const; 104 virtual PopupMenuStyle itemStyle(unsigned listIndex) const; 105 virtual PopupMenuStyle menuStyle() const; 106 virtual int clientInsetLeft() const; 107 virtual int clientInsetRight() const; 108 virtual int clientPaddingLeft() const; 109 virtual int clientPaddingRight() const; 110 virtual int listSize() const; 111 virtual int selectedIndex() const; 112 virtual void popupDidHide(); 113 virtual bool itemIsSeparator(unsigned listIndex) const; 114 virtual bool itemIsLabel(unsigned listIndex) const; 115 virtual bool itemIsSelected(unsigned listIndex) const; 116 virtual bool shouldPopOver() const { return false; } 117 virtual bool valueShouldChangeOnHotTrack() const { return false; } 118 virtual void setTextFromItem(unsigned listIndex); 119 virtual FontSelector* fontSelector() const; 120 virtual HostWindow* hostWindow() const; 121 virtual PassRefPtr<Scrollbar> createScrollbar(ScrollbarClient*, ScrollbarOrientation, ScrollbarControlSize); 122 123 InputElement* inputElement() const; 124 125 bool m_searchPopupIsVisible; 126 bool m_shouldDrawCapsLockIndicator; 127 128 RefPtr<TextControlInnerElement> m_innerBlock; 129 RefPtr<SearchFieldResultsButtonElement> m_resultsButton; 130 RefPtr<SearchFieldCancelButtonElement> m_cancelButton; 131 132 Timer<RenderTextControlSingleLine> m_searchEventTimer; 133 RefPtr<SearchPopupMenu> m_searchPopup; 134 Vector<String> m_recentSearches; 135 }; 136 137 inline RenderTextControlSingleLine* toRenderTextControlSingleLine(RenderObject* object) 138 { 139 ASSERT(!object || object->isTextField()); 140 return static_cast<RenderTextControlSingleLine*>(object); 141 } 142 143 // This will catch anyone doing an unnecessary cast. 144 void toRenderTextControlSingleLine(const RenderTextControlSingleLine*); 145 146 } 147 148 #endif 149
