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/*
* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.s
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef RenderTextControl_h
#define RenderTextControl_h
#include "PopupMenuClient.h"
#include "RenderBlock.h"
#include "Timer.h"
namespace WebCore {
class FontSelector;
class SearchFieldCancelButtonElement;
class SearchFieldResultsButtonElement;
class SearchPopupMenu;
class Selection;
class TextControlInnerElement;
class TextControlInnerTextElement;
class RenderTextControl : public RenderBlock, private PopupMenuClient {
public:
RenderTextControl(Node*, bool multiLine);
virtual ~RenderTextControl();
virtual const char* renderName() const { return "RenderTextControl"; }
virtual bool hasControlClip() const { return m_cancelButton; }
virtual IntRect controlClipRect(int tx, int ty) const;
virtual void calcHeight();
virtual void calcPrefWidths();
virtual void removeLeftoverAnonymousBlock(RenderBlock*) { }
virtual void updateFromElement();
virtual bool canHaveChildren() const { return false; }
virtual int baselinePosition(bool firstLine, bool isRootLineBox) const;
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
virtual void layout();
virtual bool avoidsFloats() const { return true; }
virtual void paint(PaintInfo&, int tx, int ty);
virtual bool isEdited() const { return m_dirty; }
virtual void setEdited(bool isEdited) { m_dirty = isEdited; }
virtual bool isTextField() const { return !m_multiLine; }
virtual bool isTextArea() const { return m_multiLine; }
bool isUserEdited() const { return m_userEdited; }
void setUserEdited(bool isUserEdited);
int selectionStart();
int selectionEnd();
void setSelectionStart(int);
void setSelectionEnd(int);
void select();
void setSelectionRange(int start, int end);
Selection selection(int start, int end) const;
void subtreeHasChanged();
String text();
String textWithHardLineBreaks();
void forwardEvent(Event*);
void selectionChanged(bool userTriggered);
virtual bool canBeProgramaticallyScrolled(bool) const { return true; }
virtual void autoscroll();
// Subclassed to forward to our inner div.
virtual int scrollLeft() const;
virtual int scrollTop() const;
virtual int scrollWidth() const;
virtual int scrollHeight() const;
virtual void setScrollLeft(int);
virtual void setScrollTop(int);
virtual bool scroll(ScrollDirection, ScrollGranularity, float multiplier = 1.0f);
virtual bool isScrollable() const;
VisiblePosition visiblePositionForIndex(int index);
int indexForVisiblePosition(const VisiblePosition&);
void addSearchResult();
bool popupIsVisible() const { return m_searchPopupIsVisible; }
void showPopup();
void hidePopup();
void stopSearchEventTimer();
bool placeholderIsVisible() const { return m_placeholderVisible; }
void updatePlaceholderVisibility();
virtual void capsLockStateMayHaveChanged();
protected:
virtual void styleDidChange(RenderStyle::Diff, const RenderStyle* oldStyle);
private:
// PopupMenuClient methods
virtual void valueChanged(unsigned listIndex, bool fireEvents = true);
virtual String itemText(unsigned listIndex) const;
virtual bool itemIsEnabled(unsigned listIndex) const;
virtual PopupMenuStyle itemStyle(unsigned listIndex) const;
virtual PopupMenuStyle menuStyle() const;
virtual int clientInsetLeft() const;
virtual int clientInsetRight() const;
virtual int clientPaddingLeft() const;
virtual int clientPaddingRight() const;
virtual int listSize() const;
virtual int selectedIndex() const;
virtual bool itemIsSeparator(unsigned listIndex) const;
virtual bool itemIsLabel(unsigned listIndex) const;
virtual bool itemIsSelected(unsigned listIndex) const;
virtual void setTextFromItem(unsigned listIndex);
virtual bool shouldPopOver() const { return false; }
virtual bool valueShouldChangeOnHotTrack() const { return false; }
virtual FontSelector* fontSelector() const;
virtual HostWindow* hostWindow() const;
virtual PassRefPtr<Scrollbar> createScrollbar(ScrollbarClient*, ScrollbarOrientation, ScrollbarControlSize);
PassRefPtr<RenderStyle> createInnerBlockStyle(const RenderStyle* startStyle);
PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle);
PassRefPtr<RenderStyle> createCancelButtonStyle(const RenderStyle* startStyle);
PassRefPtr<RenderStyle> createResultsButtonStyle(const RenderStyle* startStyle);
void createSubtreeIfNeeded();
void updateCancelButtonVisibility(RenderStyle*);
const AtomicString& autosaveName() const;
void startSearchEventTimer();
void searchEventTimerFired(Timer<RenderTextControl>*);
String finishText(Vector<UChar>&) const;
friend class TextIterator;
HTMLElement* innerTextElement() const;
RefPtr<TextControlInnerElement> m_innerBlock;
RefPtr<TextControlInnerTextElement> m_innerText;
RefPtr<SearchFieldResultsButtonElement> m_resultsButton;
RefPtr<SearchFieldCancelButtonElement> m_cancelButton;
bool m_dirty;
bool m_multiLine;
bool m_placeholderVisible;
bool m_userEdited;
bool m_shouldDrawCapsLockIndicator;
RefPtr<SearchPopupMenu> m_searchPopup;
bool m_searchPopupIsVisible;
mutable Vector<String> m_recentSearches;
Timer<RenderTextControl> m_searchEventTimer;
};
} // namespace WebCore
#endif // RenderTextControl_h
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