gecko-dev/widget/gtk/nsNativeThemeGTK.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _GTK_NSNATIVETHEMEGTK_H_
#define _GTK_NSNATIVETHEMEGTK_H_
#include "nsITheme.h"
#include "nsCOMPtr.h"
#include "nsAtom.h"
#include "nsIObserver.h"
#include "nsNativeTheme.h"
#include "nsThemeConstants.h"
#include <gtk/gtk.h>
#include "gtkdrawing.h"
class nsNativeThemeGTK final : private nsNativeTheme,
public nsITheme,
public nsIObserver {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIOBSERVER
// The nsITheme interface.
NS_IMETHOD DrawWidgetBackground(gfxContext* aContext,
nsIFrame* aFrame, uint8_t aWidgetType,
const nsRect& aRect,
const nsRect& aDirtyRect) override;
bool CreateWebRenderCommandsForWidget(mozilla::wr::DisplayListBuilder& aBuilder,
mozilla::wr::IpcResourceUpdateQueue& aResources,
const mozilla::layers::StackingContextHelper& aSc,
mozilla::layers::WebRenderLayerManager* aManager,
nsIFrame* aFrame,
uint8_t aWidgetType,
const nsRect& aRect) override;
NS_IMETHOD GetWidgetBorder(nsDeviceContext* aContext, nsIFrame* aFrame,
uint8_t aWidgetType,
nsIntMargin* aResult) override;
virtual bool GetWidgetPadding(nsDeviceContext* aContext,
nsIFrame* aFrame,
uint8_t aWidgetType,
nsIntMargin* aResult) override;
virtual bool GetWidgetOverflow(nsDeviceContext* aContext,
nsIFrame* aFrame,
uint8_t aWidgetType,
nsRect* aOverflowRect) override;
NS_IMETHOD GetMinimumWidgetSize(nsPresContext* aPresContext,
nsIFrame* aFrame, uint8_t aWidgetType,
mozilla::LayoutDeviceIntSize* aResult,
bool* aIsOverridable) override;
NS_IMETHOD WidgetStateChanged(nsIFrame* aFrame, uint8_t aWidgetType,
nsAtom* aAttribute,
bool* aShouldRepaint,
const nsAttrValue* aOldValue) override;
NS_IMETHOD ThemeChanged() override;
NS_IMETHOD_(bool) ThemeSupportsWidget(nsPresContext* aPresContext,
nsIFrame* aFrame,
uint8_t aWidgetType) override;
NS_IMETHOD_(bool) WidgetIsContainer(uint8_t aWidgetType) override;
NS_IMETHOD_(bool) ThemeDrawsFocusForWidget(uint8_t aWidgetType) override;
virtual bool ThemeNeedsComboboxDropmarker() override;
virtual Transparency GetWidgetTransparency(nsIFrame* aFrame,
uint8_t aWidgetType) override;
nsNativeThemeGTK();
protected:
virtual ~nsNativeThemeGTK();
private:
GtkTextDirection GetTextDirection(nsIFrame* aFrame);
gint GetTabMarginPixels(nsIFrame* aFrame);
bool GetGtkWidgetAndState(uint8_t aWidgetType, nsIFrame* aFrame,
WidgetNodeType& aGtkWidgetType,
GtkWidgetState* aState, gint* aWidgetFlags);
bool GetExtraSizeForWidget(nsIFrame* aFrame, uint8_t aWidgetType,
nsIntMargin* aExtra);
void RefreshWidgetWindow(nsIFrame* aFrame);
WidgetNodeType NativeThemeToGtkTheme(uint8_t aWidgetType, nsIFrame* aFrame);
uint8_t mDisabledWidgetTypes[(ThemeWidgetType_COUNT + 7) / 8];
uint8_t mSafeWidgetStates[ThemeWidgetType_COUNT * 4]; // 32 bits per widget
static const char* sDisabledEngines[];
// Because moz_gtk_get_widget_border can be slow, we cache its results
// by widget type. Each bit in mBorderCacheValid says whether the
// corresponding entry in mBorderCache is valid.
void GetCachedWidgetBorder(nsIFrame* aFrame, uint8_t aWidgetType,
GtkTextDirection aDirection, nsIntMargin* aResult);
uint8_t mBorderCacheValid[(MOZ_GTK_WIDGET_NODE_COUNT + 7) / 8];
nsIntMargin mBorderCache[MOZ_GTK_WIDGET_NODE_COUNT];
};
#endif