/*

 * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.

 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)

 *

 * 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 RenderTextControlSingleLine_h

#define RenderTextControlSingleLine_h

#include "PopupMenuClient.h"

#include "RenderTextControl.h"

#include "Timer.h"

namespace WebCore {

class InputElement;

class InputFieldSpeechButtonElement;

class SearchFieldCancelButtonElement;

class SearchFieldResultsButtonElement;

class SearchPopupMenu;

class SpinButtonElement;

class TextControlInnerElement;

class RenderTextControlSingleLine : public RenderTextControl, private PopupMenuClient {

public:

    RenderTextControlSingleLine(Node*, bool);

    virtual ~RenderTextControlSingleLine();

    bool placeholderIsVisible() const { return m_placeholderVisible; }

    bool placeholderShouldBeVisible() const;

    void addSearchResult();

    void stopSearchEventTimer();

    bool popupIsVisible() const { return m_searchPopupIsVisible; }

    void showPopup();

    void hidePopup();

    void forwardEvent(Event*);

    void capsLockStateMayHaveChanged();

    // Decoration width outside of the text field.

    int decorationWidthRight() const;

private:

    int preferredDecorationWidthRight() const;

    virtual bool hasControlClip() const;

    virtual IntRect controlClipRect(int tx, int ty) const;

    virtual bool isTextField() const { return true; }

    virtual void subtreeHasChanged();

    virtual void paint(PaintInfo&, int tx, int ty);

    virtual void paintBoxDecorations(PaintInfo&, int tx, int ty);

    virtual void addFocusRingRects(Vector<IntRect>&, int tx, int ty);

    virtual void layout();

    virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);

    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, Node** stopNode = 0);

    int textBlockWidth() const;

    virtual float getAvgCharWidth(AtomicString family);

    virtual int preferredContentWidth(float charWidth) const;

    virtual void adjustControlHeightBasedOnLineHeight(int lineHeight);

    void createSubtreeIfNeeded();

    virtual void updateFromElement();

    virtual void cacheSelection(int start, int end);

    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);

    virtual RenderStyle* textBaseStyle() const;

    virtual PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle) const;

    PassRefPtr<RenderStyle> createInnerBlockStyle(const RenderStyle* startStyle) const;

    PassRefPtr<RenderStyle> createResultsButtonStyle(const RenderStyle* startStyle) const;

    PassRefPtr<RenderStyle> createCancelButtonStyle(const RenderStyle* startStyle) const;

    PassRefPtr<RenderStyle> createInnerSpinButtonStyle() const;

    PassRefPtr<RenderStyle> createOuterSpinButtonStyle() const;

#if ENABLE(INPUT_SPEECH)

    PassRefPtr<RenderStyle> createSpeechButtonStyle(const RenderStyle* startStyle) const;

#endif

    void updateCancelButtonVisibility() const;

    EVisibility visibilityForCancelButton() const;

    const AtomicString& autosaveName() const;

    void startSearchEventTimer();

    void searchEventTimerFired(Timer<RenderTextControlSingleLine>*);

    // PopupMenuClient methods

    virtual void valueChanged(unsigned listIndex, bool fireEvents = true);

    virtual void selectionChanged(unsigned, bool) {}

    virtual void selectionCleared() {}

    virtual String itemText(unsigned listIndex) const;

    virtual String itemLabel(unsigned listIndex) const;

    virtual String itemToolTip(unsigned) const { return String(); }

    virtual String itemAccessibilityText(unsigned) const { return String(); }

    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 void popupDidHide();

    virtual bool itemIsSeparator(unsigned listIndex) const;

    virtual bool itemIsLabel(unsigned listIndex) const;

    virtual bool itemIsSelected(unsigned listIndex) const;

    virtual bool shouldPopOver() const { return false; }

    virtual bool valueShouldChangeOnHotTrack() const { return false; }

    virtual void setTextFromItem(unsigned listIndex);

    virtual FontSelector* fontSelector() const;

    virtual HostWindow* hostWindow() const;

    virtual PassRefPtr<Scrollbar> createScrollbar(ScrollbarClient*, ScrollbarOrientation, ScrollbarControlSize);

    InputElement* inputElement() const;

    bool m_searchPopupIsVisible;

    bool m_shouldDrawCapsLockIndicator;

    RefPtr<TextControlInnerElement> m_innerBlock;

    RefPtr<SearchFieldResultsButtonElement> m_resultsButton;

    RefPtr<SearchFieldCancelButtonElement> m_cancelButton;

    RefPtr<TextControlInnerElement> m_innerSpinButton;

    RefPtr<TextControlInnerElement> m_outerSpinButton;

#if ENABLE(INPUT_SPEECH)

    RefPtr<InputFieldSpeechButtonElement> m_speechButton;

#endif

    Timer<RenderTextControlSingleLine> m_searchEventTimer;

    RefPtr<SearchPopupMenu> m_searchPopup;

    Vector<String> m_recentSearches;

};

inline RenderTextControlSingleLine* toRenderTextControlSingleLine(RenderObject* object)

{ 

    ASSERT(!object || object->isTextField());

    return static_cast<RenderTextControlSingleLine*>(object);

}

// This will catch anyone doing an unnecessary cast.

void toRenderTextControlSingleLine(const RenderTextControlSingleLine*);

}

#endif