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* This file is part of the theme implementation for form controls in WebCore.
* Copyright (C) 2005 Apple Computer, Inc.
* Copyright (C) 2008, 2009 Google, Inc.
* 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
* 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 LayoutThemeMac_h
#define LayoutThemeMac_h
#import <AppKit/AppKit.h>
#import "core/layout/LayoutTheme.h"
#import "core/paint/ThemePainterMac.h"
#import "platform/wtf/HashMap.h"
#import "platform/wtf/RetainPtr.h"
OBJC_CLASS BlinkLayoutThemeNotificationObserver;
namespace blink {
class LayoutThemeMac final : public LayoutTheme {
static scoped_refptr<LayoutTheme> Create();
void AddVisualOverflow(const Node*,
const ComputedStyle&,
IntRect& border_box) override;
bool IsControlStyled(const ComputedStyle&) const override;
Color PlatformActiveSelectionBackgroundColor() const override;
Color PlatformInactiveSelectionBackgroundColor() const override;
Color PlatformActiveSelectionForegroundColor() const override;
Color PlatformActiveListBoxSelectionBackgroundColor() const override;
Color PlatformActiveListBoxSelectionForegroundColor() const override;
Color PlatformInactiveListBoxSelectionBackgroundColor() const override;
Color PlatformInactiveListBoxSelectionForegroundColor() const override;
Color PlatformSpellingMarkerUnderlineColor() const override;
Color PlatformGrammarMarkerUnderlineColor() const override;
Color PlatformFocusRingColor() const override;
ScrollbarControlSize ScrollbarControlSizeForPart(ControlPart part) override {
return part == kListboxPart ? kSmallScrollbar : kRegularScrollbar;
void PlatformColorsDidChange() override;
// System fonts.
void SystemFont(CSSValueID system_font_id,
FontSelectionValue& font_slope,
FontSelectionValue& font_weight,
float& font_size,
AtomicString& font_family) const override;
bool NeedsHackForTextControlWithFontFamily(
const AtomicString& family) const override;
int MinimumMenuListSize(const ComputedStyle&) const override;
void AdjustSliderThumbSize(ComputedStyle&) const override;
IntSize SliderTickSize() const override;
int SliderTickOffsetFromTrackCenter() const override;
int PopupInternalPaddingStart(const ComputedStyle&) const override;
int PopupInternalPaddingEnd(const PlatformChromeClient*,
const ComputedStyle&) const override;
int PopupInternalPaddingTop(const ComputedStyle&) const override;
int PopupInternalPaddingBottom(const ComputedStyle&) const override;
bool PopsMenuByArrowKeys() const override { return true; }
bool PopsMenuBySpaceKey() const final { return true; }
// Returns the repeat interval of the animation for the progress bar.
double AnimationRepeatIntervalForProgressBar() const override;
// Returns the duration of the animation for the progress bar.
double AnimationDurationForProgressBar() const override;
Color SystemColor(CSSValueID) const override;
bool SupportsSelectionForegroundColors() const override { return false; }
virtual bool IsModalColorChooser() const { return false; }
~LayoutThemeMac() override;
void AdjustMenuListStyle(ComputedStyle&, Element*) const override;
void AdjustMenuListButtonStyle(ComputedStyle&, Element*) const override;
void AdjustSearchFieldStyle(ComputedStyle&) const override;
void AdjustSearchFieldCancelButtonStyle(ComputedStyle&) const override;
// Constants and methods shared with ThemePainterMac
// Get the control size based off the font. Used by some of the controls (like
// buttons).
NSControlSize ControlSizeForFont(const ComputedStyle&) const;
NSControlSize ControlSizeForSystemFont(const ComputedStyle&) const;
void SetControlSize(NSCell*,
const IntSize* sizes,
const IntSize& min_size,
float zoom_level = 1.0f);
void SetSizeFromFont(ComputedStyle&, const IntSize* sizes) const;
IntSize SizeForFont(const ComputedStyle&, const IntSize* sizes) const;
IntSize SizeForSystemFont(const ComputedStyle&, const IntSize* sizes) const;
void SetFontFromControlSize(ComputedStyle&, NSControlSize) const;
void UpdateCheckedState(NSCell*, const Node*);
void UpdateEnabledState(NSCell*, const Node*);
void UpdateFocusedState(NSCell*, const Node*, const ComputedStyle&);
void UpdatePressedState(NSCell*, const Node*);
// Helpers for adjusting appearance and for painting
void SetPopupButtonCellState(const Node*,
const ComputedStyle&,
const IntRect&);
const IntSize* PopupButtonSizes() const;
const int* PopupButtonMargins() const;
const int* PopupButtonPadding(NSControlSize) const;
const IntSize* MenuListSizes() const;
const IntSize* SearchFieldSizes() const;
const IntSize* CancelButtonSizes() const;
void SetSearchCellState(const Node*, const ComputedStyle&, const IntRect&);
void SetSearchFieldSize(ComputedStyle&) const;
NSPopUpButtonCell* PopupButton() const;
NSSearchFieldCell* Search() const;
NSTextFieldCell* TextField() const;
// A view associated to the contained document. Subclasses may not have such a
// view and return a fake.
NSView* DocumentView() const;
void UpdateActiveState(NSCell*, const Node*);
// We estimate the animation rate of a Mac OS X progress bar is 33 fps.
// Hard code the value here because we haven't found API for it.
static constexpr double kProgressAnimationFrameRate = 0.033;
// Mac OS X progress bar animation seems to have 256 frames.
static constexpr double kProgressAnimationNumFrames = 256;
static constexpr float kBaseFontSize = 11.0f;
static constexpr float kMenuListBaseArrowHeight = 4.0f;
static constexpr float kMenuListBaseArrowWidth = 5.0f;
static constexpr float kMenuListBaseSpaceBetweenArrows = 2.0f;
static const int kMenuListArrowPaddingStart = 4;
static const int kMenuListArrowPaddingEnd = 4;
static const int kSliderThumbWidth = 15;
static const int kSliderThumbHeight = 15;
static const int kSliderThumbShadowBlur = 1;
static const int kSliderThumbBorderWidth = 1;
static const int kSliderTrackWidth = 5;
static const int kSliderTrackBorderWidth = 1;
String ExtraFullscreenStyleSheet() override;
// Controls color values returned from platformFocusRingColor(). systemColor()
// will be used when false.
bool UsesTestModeFocusRingColor() const;
bool ShouldUseFallbackTheme(const ComputedStyle&) const override;
void AdjustProgressBarBounds(ComputedStyle&) const override;
const int* ProgressBarHeights() const;
const int* ProgressBarMargins(NSControlSize) const;
String FileListNameForWidth(Locale&,
const FileList*,
const Font&,
int width) const override;
String ExtraDefaultStyleSheet() override;
bool ThemeDrawsFocusRing(const ComputedStyle&) const override;
ThemePainter& Painter() override { return painter_; }
mutable RetainPtr<NSPopUpButtonCell> popup_button_;
mutable RetainPtr<NSSearchFieldCell> search_;
mutable RetainPtr<NSMenu> search_menu_template_;
mutable RetainPtr<NSLevelIndicatorCell> level_indicator_;
mutable RetainPtr<NSTextFieldCell> text_field_;
mutable HashMap<int, RGBA32> system_color_cache_;
RetainPtr<BlinkLayoutThemeNotificationObserver> notification_observer_;
ThemePainterMac painter_;
} // namespace blink
#endif // LayoutThemeMac_h