gecko-dev/layout/forms/nsButtonFrameRenderer.h

78 строки
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 nsButtonFrameRenderer_h___
#define nsButtonFrameRenderer_h___
#include "nsMargin.h"
#include "nsCSSRenderingBorders.h"
class gfxContext;
class nsIFrame;
class nsDisplayList;
class nsDisplayListBuilder;
class nsPresContext;
struct nsRect;
#define NS_BUTTON_RENDERER_FOCUS_INNER_CONTEXT_INDEX 0
#define NS_BUTTON_RENDERER_LAST_CONTEXT_INDEX \
NS_BUTTON_RENDERER_FOCUS_INNER_CONTEXT_INDEX
class nsButtonFrameRenderer {
typedef mozilla::image::ImgDrawResult ImgDrawResult;
typedef mozilla::ComputedStyle ComputedStyle;
public:
nsButtonFrameRenderer();
~nsButtonFrameRenderer();
/**
* Create display list items for the button
*/
nsresult DisplayButton(nsDisplayListBuilder* aBuilder,
nsDisplayList* aBackground,
nsDisplayList* aForeground);
ImgDrawResult PaintInnerFocusBorder(nsDisplayListBuilder* aBuilder,
nsPresContext* aPresContext,
gfxContext& aRenderingContext,
const nsRect& aDirtyRect,
const nsRect& aRect);
mozilla::Maybe<nsCSSBorderRenderer> CreateInnerFocusBorderRenderer(
nsDisplayListBuilder* aBuilder, nsPresContext* aPresContext,
gfxContext* aRenderingContext, const nsRect& aDirtyRect,
const nsRect& aRect, bool* aBorderIsEmpty);
ImgDrawResult PaintBorder(nsDisplayListBuilder* aBuilder,
nsPresContext* aPresContext,
gfxContext& aRenderingContext,
const nsRect& aDirtyRect, const nsRect& aRect);
void SetFrame(nsIFrame* aFrame, nsPresContext* aPresContext);
void SetDisabled(bool aDisabled, bool notify);
bool isActive();
bool isDisabled();
void GetButtonInnerFocusRect(const nsRect& aRect, nsRect& aResult);
ComputedStyle* GetComputedStyle(int32_t aIndex) const;
void SetComputedStyle(int32_t aIndex, ComputedStyle* aComputedStyle);
void ReResolveStyles(nsPresContext* aPresContext);
nsIFrame* GetFrame();
private:
// cached style for optional inner focus outline (used on Windows).
RefPtr<ComputedStyle> mInnerFocusStyle;
nsIFrame* mFrame;
};
#endif