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/*
* This file is part of the WebKit project.
*
* Copyright (C) 2006 Apple Computer, Inc.
* Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
* Copyright (C) 2007 Holger Hans Peter Freyther
* Copyright (C) 2007 Alp Toker <alp@atoker.com>
* Copyright (C) 2008, 2009 Google, Inc.
* All rights reserved.
* Copyright (C) 2009 Kenneth Rohde Christiansen
*
* 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 LayoutThemeDefault_h
#define LayoutThemeDefault_h
#include "core/CoreExport.h"
#include "core/layout/LayoutTheme.h"
#include "core/paint/ThemePainterDefault.h"
namespace blink {
class LayoutProgress;
class CORE_EXPORT LayoutThemeDefault : public LayoutTheme {
public:
String extraDefaultStyleSheet() override;
String extraQuirksStyleSheet() override;
Color systemColor(CSSValueID) const override;
bool themeDrawsFocusRing(const ComputedStyle&) const override;
// List Box selection color
virtual Color activeListBoxSelectionBackgroundColor() const;
virtual Color activeListBoxSelectionForegroundColor() const;
virtual Color inactiveListBoxSelectionBackgroundColor() const;
virtual Color inactiveListBoxSelectionForegroundColor() const;
Color platformActiveSelectionBackgroundColor() const override;
Color platformInactiveSelectionBackgroundColor() const override;
Color platformActiveSelectionForegroundColor() const override;
Color platformInactiveSelectionForegroundColor() const override;
IntSize sliderTickSize() const override;
int sliderTickOffsetFromTrackCenter() const override;
void adjustSliderThumbSize(ComputedStyle&) const override;
void setCheckboxSize(ComputedStyle&) const override;
void setRadioSize(ComputedStyle&) const override;
void adjustInnerSpinButtonStyle(ComputedStyle&) const override;
void adjustButtonStyle(ComputedStyle&) const override;
bool popsMenuBySpaceKey() const final { return true; }
bool popsMenuByReturnKey() const final { return true; }
bool popsMenuByAltDownUpOrF4Key() const override { return true; }
bool shouldOpenPickerWithF4Key() const override;
Color platformTapHighlightColor() const override {
return Color(defaultTapHighlightColor);
}
// A method asking if the theme's controls actually care about redrawing
// when hovered.
bool supportsHover(const ComputedStyle&) const final;
Color platformFocusRingColor() const override;
// System fonts.
virtual void systemFont(CSSValueID systemFontID,
FontStyle&,
FontWeight&,
float& fontSize,
AtomicString& fontFamily) const;
int minimumMenuListSize(const ComputedStyle&) const override;
void adjustSearchFieldStyle(ComputedStyle&) const override;
void adjustSearchFieldCancelButtonStyle(ComputedStyle&) const override;
// MenuList refers to an unstyled menulist (meaning a menulist without
// background-color or border set) and MenuListButton refers to a styled
// menulist (a menulist with background-color or border set). They have
// this distinction to support showing aqua style themes whenever they
// possibly can, which is something we don't want to replicate.
//
// In short, we either go down the MenuList code path or the MenuListButton
// codepath. We never go down both. And in both cases, they layout the
// entire menulist.
void adjustMenuListStyle(ComputedStyle&, Element*) const override;
void adjustMenuListButtonStyle(ComputedStyle&, Element*) const override;
double animationRepeatIntervalForProgressBar() const override;
double animationDurationForProgressBar() const override;
// These methods define the padding for the MenuList's inner block.
int popupInternalPaddingStart(const ComputedStyle&) const override;
int popupInternalPaddingEnd(const HostWindow*,
const ComputedStyle&) const override;
int popupInternalPaddingTop(const ComputedStyle&) const override;
int popupInternalPaddingBottom(const ComputedStyle&) const override;
// This returns a value based on scrollbar thickness. It's not 0 even in
// overlay scrollbar mode. On Android, this doesn't match to scrollbar
// thickness, which is 3px or 4px, and we use the value from the default Aura
// theme.
int menuListArrowWidthInDIP() const;
float clampedMenuListArrowPaddingSize(const HostWindow*,
const ComputedStyle&) const;
// Provide a way to pass the default font size from the Settings object
// to the layout theme. FIXME: http://b/1129186 A cleaner way would be
// to remove the default font size from this object and have callers
// that need the value to get it directly from the appropriate Settings
// object.
static void setDefaultFontSize(int);
static void setSelectionColors(unsigned activeBackgroundColor,
unsigned activeForegroundColor,
unsigned inactiveBackgroundColor,
unsigned inactiveForegroundColor);
protected:
LayoutThemeDefault();
~LayoutThemeDefault() override;
bool shouldUseFallbackTheme(const ComputedStyle&) const override;
IntRect determinateProgressValueRectFor(LayoutProgress*,
const IntRect&) const;
IntRect indeterminateProgressValueRectFor(LayoutProgress*,
const IntRect&) const;
private:
ThemePainter& painter() override { return m_painter; }
void didChangeThemeEngine() override;
int menuListInternalPadding(const ComputedStyle&, int padding) const;
static const RGBA32 defaultTapHighlightColor = 0x2e000000; // 18% black.
static double m_caretBlinkInterval;
static unsigned m_activeSelectionBackgroundColor;
static unsigned m_activeSelectionForegroundColor;
static unsigned m_inactiveSelectionBackgroundColor;
static unsigned m_inactiveSelectionForegroundColor;
ThemePainterDefault m_painter;
// Cached values for crbug.com/673754.
mutable float m_cachedMenuListArrowZoomLevel = 0;
mutable float m_cachedMenuListArrowPaddingSize = 0;
};
} // namespace blink
#endif // LayoutThemeDefault_h
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