git.saurik.com Git - iphone-api.git/blame_incremental - WebCore/RenderTextControlSingleLine.h

... / ...

Commit	Line	Data
	1	/*
	2	* Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
	3	*
	4	* This library is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU Library General Public
	6	* License as published by the Free Software Foundation; either
	7	* version 2 of the License, or (at your option) any later version.
	8	*
	9	* This library is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	* Library General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU Library General Public License
	15	* along with this library; see the file COPYING.LIB. If not, write to
	16	* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	17	* Boston, MA 02110-1301, USA.
	18	*
	19	*/
	20
	21	#ifndef RenderTextControlSingleLine_h
	22	#define RenderTextControlSingleLine_h
	23
	24	#include "PopupMenuClient.h"
	25	#include "RenderTextControl.h"
	26	#include "Timer.h"
	27
	28	namespace WebCore {
	29
	30	class InputElement;
	31	class SearchFieldCancelButtonElement;
	32	class SearchFieldResultsButtonElement;
	33	class SearchPopupMenu;
	34	class TextControlInnerElement;
	35
	36	class RenderTextControlSingleLine : public RenderTextControl, private PopupMenuClient {
	37	public:
	38	RenderTextControlSingleLine(Node*);
	39	virtual ~RenderTextControlSingleLine();
	40
	41	virtual bool hasControlClip() const { return m_cancelButton; }
	42	virtual bool isTextField() const { return true; }
	43
	44	bool placeholderIsVisible() const { return m_placeholderVisible; }
	45	bool placeholderShouldBeVisible() const;
	46	void updatePlaceholderVisibility();
	47
	48	void addSearchResult();
	49	void stopSearchEventTimer();
	50
	51	bool popupIsVisible() const { return m_searchPopupIsVisible; }
	52	void showPopup();
	53	virtual void hidePopup(); // PopupMenuClient method
	54
	55	virtual void subtreeHasChanged();
	56	virtual void paint(PaintInfo&, int tx, int ty);
	57	virtual void layout();
	58
	59	virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
	60	void forwardEvent(Event*);
	61
	62	private:
	63	virtual void capsLockStateMayHaveChanged();
	64
	65	int textBlockWidth() const;
	66	virtual int preferredContentWidth(float charWidth) const;
	67	virtual void adjustControlHeightBasedOnLineHeight(int lineHeight);
	68
	69	void createSubtreeIfNeeded();
	70	virtual void updateFromElement();
	71	virtual void cacheSelection(int start, int end);
	72	virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
	73
	74	virtual PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle) const;
	75	PassRefPtr<RenderStyle> createInnerBlockStyle(const RenderStyle* startStyle) const;
	76	PassRefPtr<RenderStyle> createResultsButtonStyle(const RenderStyle* startStyle) const;
	77	PassRefPtr<RenderStyle> createCancelButtonStyle(const RenderStyle* startStyle) const;
	78
	79	void updateCancelButtonVisibility() const;
	80	EVisibility visibilityForCancelButton() const;
	81	const AtomicString& autosaveName() const;
	82
	83	void startSearchEventTimer();
	84	void searchEventTimerFired(Timer<RenderTextControlSingleLine>*);
	85
	86	private:
	87	// PopupMenuClient methods
	88	virtual void valueChanged(unsigned listIndex, bool fireEvents = true);
	89	virtual String itemText(unsigned listIndex) const;
	90	virtual bool itemIsEnabled(unsigned listIndex) const;
	91	virtual PopupMenuStyle itemStyle(unsigned listIndex) const;
	92	virtual PopupMenuStyle menuStyle() const;
	93	virtual int clientInsetLeft() const;
	94	virtual int clientInsetRight() const;
	95	virtual int clientPaddingLeft() const;
	96	virtual int clientPaddingRight() const;
	97	virtual int listSize() const;
	98	virtual int selectedIndex() const;
	99	virtual bool itemIsSeparator(unsigned listIndex) const;
	100	virtual bool itemIsLabel(unsigned listIndex) const;
	101	virtual bool itemIsSelected(unsigned listIndex) const;
	102	virtual bool shouldPopOver() const { return false; }
	103	virtual bool valueShouldChangeOnHotTrack() const { return false; }
	104	virtual void setTextFromItem(unsigned listIndex);
	105	virtual FontSelector* fontSelector() const;
	106	virtual HostWindow* hostWindow() const;
	107	virtual PassRefPtr<Scrollbar> createScrollbar(ScrollbarClient*, ScrollbarOrientation, ScrollbarControlSize);
	108
	109	InputElement* inputElement() const;
	110
	111	private:
	112	bool m_placeholderVisible;
	113	bool m_searchPopupIsVisible;
	114	bool m_shouldDrawCapsLockIndicator;
	115
	116	RefPtr<TextControlInnerElement> m_innerBlock;
	117	RefPtr<SearchFieldResultsButtonElement> m_resultsButton;
	118	RefPtr<SearchFieldCancelButtonElement> m_cancelButton;
	119
	120	Timer<RenderTextControlSingleLine> m_searchEventTimer;
	121	RefPtr<SearchPopupMenu> m_searchPopup;
	122	Vector<String> m_recentSearches;
	123	};
	124
	125	}
	126
	127	#endif