mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
92fe6a5293
Backed out changeset 0b5918ec6521 (bug 1031444) Backed out changeset 663ff18cd4a1 (bug 1028460) Backed out changeset ae01b3919c8c (bug 1028460) Backed out changeset 316c8dfeca9b (bug 1028460) Backed out changeset e237b2c61ea2 (bug 1028460)
218 lines
8.2 KiB
C++
218 lines
8.2 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 CSS display:inline objects */
|
|
|
|
#ifndef nsInlineFrame_h___
|
|
#define nsInlineFrame_h___
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "nsContainerFrame.h"
|
|
|
|
class nsLineLayout;
|
|
|
|
typedef nsContainerFrame nsInlineFrameBase;
|
|
|
|
/**
|
|
* Inline frame class.
|
|
*
|
|
* This class manages a list of child frames that are inline frames. Working with
|
|
* nsLineLayout, the class will reflow and place inline frames on a line.
|
|
*/
|
|
class nsInlineFrame : public nsInlineFrameBase
|
|
{
|
|
public:
|
|
NS_DECL_QUERYFRAME_TARGET(nsInlineFrame)
|
|
NS_DECL_QUERYFRAME
|
|
NS_DECL_FRAMEARENA_HELPERS
|
|
|
|
friend nsInlineFrame* NS_NewInlineFrame(nsIPresShell* aPresShell,
|
|
nsStyleContext* aContext);
|
|
|
|
// nsIFrame overrides
|
|
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsRect& aDirtyRect,
|
|
const nsDisplayListSet& aLists) MOZ_OVERRIDE;
|
|
|
|
#ifdef ACCESSIBILITY
|
|
virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
|
|
#endif
|
|
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
|
|
#endif
|
|
virtual nsIAtom* GetType() const MOZ_OVERRIDE;
|
|
|
|
virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
|
|
{
|
|
if (aFlags & eSupportsCSSTransforms) {
|
|
return false;
|
|
}
|
|
return nsContainerFrame::IsFrameOfType(aFlags &
|
|
~(nsIFrame::eBidiInlineContainer | nsIFrame::eLineParticipant));
|
|
}
|
|
|
|
virtual void InvalidateFrame(uint32_t aDisplayItemKey = 0) MOZ_OVERRIDE;
|
|
virtual void InvalidateFrameWithRect(const nsRect& aRect, uint32_t aDisplayItemKey = 0) MOZ_OVERRIDE;
|
|
|
|
virtual bool IsEmpty() MOZ_OVERRIDE;
|
|
virtual bool IsSelfEmpty() MOZ_OVERRIDE;
|
|
|
|
virtual FrameSearchResult PeekOffsetCharacter(bool aForward, int32_t* aOffset,
|
|
bool aRespectClusters = true) MOZ_OVERRIDE;
|
|
|
|
// nsIHTMLReflow overrides
|
|
virtual void AddInlineMinWidth(nsRenderingContext *aRenderingContext,
|
|
InlineMinWidthData *aData) MOZ_OVERRIDE;
|
|
virtual void AddInlinePrefWidth(nsRenderingContext *aRenderingContext,
|
|
InlinePrefWidthData *aData) MOZ_OVERRIDE;
|
|
virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
|
|
nsSize aCBSize, nscoord aAvailableWidth,
|
|
nsSize aMargin, nsSize aBorder, nsSize aPadding,
|
|
uint32_t aFlags) MOZ_OVERRIDE;
|
|
virtual nsRect ComputeTightBounds(gfxContext* aContext) const MOZ_OVERRIDE;
|
|
virtual void Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus) MOZ_OVERRIDE;
|
|
|
|
virtual bool CanContinueTextRun() const MOZ_OVERRIDE;
|
|
|
|
virtual void PullOverflowsFromPrevInFlow() MOZ_OVERRIDE;
|
|
virtual nscoord GetLogicalBaseline(mozilla::WritingMode aWritingMode) const MOZ_OVERRIDE;
|
|
virtual bool DrainSelfOverflowList() MOZ_OVERRIDE;
|
|
|
|
/**
|
|
* Return true if the frame is first visual frame or first continuation
|
|
*/
|
|
bool IsFirst() const {
|
|
// If the frame's bidi visual state is set, return is-first state
|
|
// else return true if it's the first continuation.
|
|
return (GetStateBits() & NS_INLINE_FRAME_BIDI_VISUAL_STATE_IS_SET)
|
|
? !!(GetStateBits() & NS_INLINE_FRAME_BIDI_VISUAL_IS_FIRST)
|
|
: (!GetPrevInFlow());
|
|
}
|
|
|
|
/**
|
|
* Return true if the frame is last visual frame or last continuation.
|
|
*/
|
|
bool IsLast() const {
|
|
// If the frame's bidi visual state is set, return is-last state
|
|
// else return true if it's the last continuation.
|
|
return (GetStateBits() & NS_INLINE_FRAME_BIDI_VISUAL_STATE_IS_SET)
|
|
? !!(GetStateBits() & NS_INLINE_FRAME_BIDI_VISUAL_IS_LAST)
|
|
: (!GetNextInFlow());
|
|
}
|
|
|
|
protected:
|
|
// Additional reflow state used during our reflow methods
|
|
struct InlineReflowState {
|
|
nsIFrame* mPrevFrame;
|
|
nsInlineFrame* mNextInFlow;
|
|
nsIFrame* mLineContainer;
|
|
nsLineLayout* mLineLayout;
|
|
bool mSetParentPointer; // when reflowing child frame first set its
|
|
// parent frame pointer
|
|
|
|
InlineReflowState() {
|
|
mPrevFrame = nullptr;
|
|
mNextInFlow = nullptr;
|
|
mLineContainer = nullptr;
|
|
mLineLayout = nullptr;
|
|
mSetParentPointer = false;
|
|
}
|
|
};
|
|
|
|
nsInlineFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
|
|
|
|
virtual int GetLogicalSkipSides(const nsHTMLReflowState* aReflowState = nullptr) const MOZ_OVERRIDE;
|
|
|
|
void ReflowFrames(nsPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
InlineReflowState& rs,
|
|
nsHTMLReflowMetrics& aMetrics,
|
|
nsReflowStatus& aStatus);
|
|
|
|
void ReflowInlineFrame(nsPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
InlineReflowState& rs,
|
|
nsIFrame* aFrame,
|
|
nsReflowStatus& aStatus);
|
|
|
|
/**
|
|
* Reparent floats whose placeholders are inline descendants of aFrame from
|
|
* whatever block they're currently parented by to aOurBlock.
|
|
* @param aReparentSiblings if this is true, we follow aFrame's
|
|
* GetNextSibling chain reparenting them all
|
|
*/
|
|
void ReparentFloatsForInlineChild(nsIFrame* aOurBlock, nsIFrame* aFrame,
|
|
bool aReparentSiblings);
|
|
|
|
virtual nsIFrame* PullOneFrame(nsPresContext* aPresContext,
|
|
InlineReflowState& rs,
|
|
bool* aIsComplete);
|
|
|
|
virtual void PushFrames(nsPresContext* aPresContext,
|
|
nsIFrame* aFromChild,
|
|
nsIFrame* aPrevSibling,
|
|
InlineReflowState& aState);
|
|
|
|
private:
|
|
// Helper method for DrainSelfOverflowList() to deal with lazy parenting
|
|
// (which we only do for nsInlineFrame, not nsFirstLineFrame).
|
|
enum DrainFlags {
|
|
eDontReparentFrames = 1, // skip reparenting the overflow list frames
|
|
eInFirstLine = 2, // the request is for an inline descendant of a nsFirstLineFrame
|
|
};
|
|
/**
|
|
* Move any frames on our overflow list to the end of our principal list.
|
|
* @param aFlags one or more of the above DrainFlags
|
|
* @param aLineContainer the nearest line container ancestor
|
|
* @return true if there were any overflow frames
|
|
*/
|
|
bool DrainSelfOverflowListInternal(DrainFlags aFlags,
|
|
nsIFrame* aLineContainer);
|
|
protected:
|
|
nscoord mBaseline;
|
|
};
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
/**
|
|
* Variation on inline-frame used to manage lines for line layout in
|
|
* special situations (:first-line style in particular).
|
|
*/
|
|
class nsFirstLineFrame MOZ_FINAL : public nsInlineFrame {
|
|
public:
|
|
NS_DECL_FRAMEARENA_HELPERS
|
|
|
|
friend nsFirstLineFrame* NS_NewFirstLineFrame(nsIPresShell* aPresShell,
|
|
nsStyleContext* aContext);
|
|
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
|
|
#endif
|
|
virtual nsIAtom* GetType() const MOZ_OVERRIDE;
|
|
virtual void Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus) MOZ_OVERRIDE;
|
|
|
|
virtual void Init(nsIContent* aContent,
|
|
nsContainerFrame* aParent,
|
|
nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
|
|
virtual void PullOverflowsFromPrevInFlow() MOZ_OVERRIDE;
|
|
virtual bool DrainSelfOverflowList() MOZ_OVERRIDE;
|
|
|
|
protected:
|
|
nsFirstLineFrame(nsStyleContext* aContext) : nsInlineFrame(aContext) {}
|
|
|
|
virtual nsIFrame* PullOneFrame(nsPresContext* aPresContext,
|
|
InlineReflowState& rs,
|
|
bool* aIsComplete) MOZ_OVERRIDE;
|
|
};
|
|
|
|
#endif /* nsInlineFrame_h___ */
|