mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
139 lines
4.4 KiB
C++
139 lines
4.4 KiB
C++
/* -*- 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/. */
|
|
|
|
/* rendering object for list-item bullets */
|
|
|
|
#ifndef nsBulletFrame_h___
|
|
#define nsBulletFrame_h___
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "nsFrame.h"
|
|
|
|
#include "imgINotificationObserver.h"
|
|
|
|
class imgIContainer;
|
|
class imgRequestProxy;
|
|
|
|
class nsBulletFrame;
|
|
|
|
class nsBulletListener : public imgINotificationObserver
|
|
{
|
|
public:
|
|
nsBulletListener();
|
|
virtual ~nsBulletListener();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_IMGINOTIFICATIONOBSERVER
|
|
|
|
void SetFrame(nsBulletFrame *frame) { mFrame = frame; }
|
|
|
|
private:
|
|
nsBulletFrame *mFrame;
|
|
};
|
|
|
|
/**
|
|
* A simple class that manages the layout and rendering of html bullets.
|
|
* This class also supports the CSS list-style properties.
|
|
*/
|
|
class nsBulletFrame : public nsFrame {
|
|
public:
|
|
NS_DECL_FRAMEARENA_HELPERS
|
|
|
|
nsBulletFrame(nsStyleContext* aContext)
|
|
: nsFrame(aContext)
|
|
{
|
|
}
|
|
virtual ~nsBulletFrame();
|
|
|
|
NS_IMETHOD Notify(imgIRequest *aRequest, int32_t aType, const nsIntRect* aData);
|
|
|
|
// nsIFrame
|
|
virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
|
|
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsRect& aDirtyRect,
|
|
const nsDisplayListSet& aLists) MOZ_OVERRIDE;
|
|
virtual nsIAtom* GetType() const MOZ_OVERRIDE;
|
|
virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) MOZ_OVERRIDE;
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
NS_IMETHOD GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
|
|
#endif
|
|
|
|
// nsIHTMLReflow
|
|
NS_IMETHOD Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aMetrics,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus) MOZ_OVERRIDE;
|
|
virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
|
|
virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
|
|
|
|
// nsBulletFrame
|
|
int32_t SetListItemOrdinal(int32_t aNextOrdinal, bool* aChanged,
|
|
int32_t aIncrement);
|
|
|
|
|
|
/* get list item text, without '.' */
|
|
static void AppendCounterText(int32_t aListStyleType,
|
|
int32_t aOrdinal,
|
|
nsString& aResult,
|
|
bool& aIsRTL);
|
|
|
|
/* get suffix of list item */
|
|
static void GetListItemSuffix(int32_t aListStyleType,
|
|
nsString& aResult,
|
|
bool& aSuppressPadding);
|
|
|
|
/* get list item text, with '.' */
|
|
void GetListItemText(const nsStyleList& aStyleList, nsString& aResult);
|
|
|
|
void PaintBullet(nsRenderingContext& aRenderingContext, nsPoint aPt,
|
|
const nsRect& aDirtyRect, uint32_t aFlags);
|
|
|
|
virtual bool IsEmpty() MOZ_OVERRIDE;
|
|
virtual bool IsSelfEmpty() MOZ_OVERRIDE;
|
|
virtual nscoord GetBaseline() const MOZ_OVERRIDE;
|
|
|
|
float GetFontSizeInflation() const;
|
|
bool HasFontSizeInflation() const {
|
|
return (GetStateBits() & BULLET_FRAME_HAS_FONT_INFLATION) != 0;
|
|
}
|
|
void SetFontSizeInflation(float aInflation);
|
|
|
|
int32_t GetOrdinal() { return mOrdinal; }
|
|
|
|
already_AddRefed<imgIContainer> GetImage() const;
|
|
|
|
protected:
|
|
nsresult OnStartContainer(imgIRequest *aRequest, imgIContainer *aImage);
|
|
|
|
void GetDesiredSize(nsPresContext* aPresContext,
|
|
nsRenderingContext *aRenderingContext,
|
|
nsHTMLReflowMetrics& aMetrics,
|
|
float aFontSizeInflation);
|
|
|
|
void GetLoadGroup(nsPresContext *aPresContext, nsILoadGroup **aLoadGroup);
|
|
|
|
nsMargin mPadding;
|
|
nsRefPtr<imgRequestProxy> mImageRequest;
|
|
nsRefPtr<nsBulletListener> mListener;
|
|
|
|
nsSize mIntrinsicSize;
|
|
int32_t mOrdinal;
|
|
bool mTextIsRTL;
|
|
|
|
// If set to true, any padding of bullet defined in the UA style sheet will
|
|
// be suppressed. This is used for some CJK numbering styles where extra
|
|
// space after the suffix is not desired. Note that, any author-specified
|
|
// padding overriding the default style will NOT be suppressed.
|
|
bool mSuppressPadding;
|
|
|
|
private:
|
|
|
|
// This is a boolean flag indicating whether or not the current image request
|
|
// has been registered with the refresh driver.
|
|
bool mRequestRegistered;
|
|
};
|
|
|
|
#endif /* nsBulletFrame_h___ */
|