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Bug 855917 - Minor nsAbsoluteContainingBlock code cleanup. r=dholbert
This commit is contained in:
Mats Palmgren
parent
b43bbb8da9
commit
9ad6039de8
@ -8,17 +8,32 @@
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* object that is a containing block for them
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*/
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#include "nsCOMPtr.h"
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#include "nsAbsoluteContainingBlock.h"
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#include "nsContainerFrame.h"
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#include "nsGkAtoms.h"
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#include "nsIPresShell.h"
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#include "nsHTMLParts.h"
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#include "nsHTMLReflowState.h"
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#include "nsPresContext.h"
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#include "nsFrameManager.h"
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#include "nsCSSFrameConstructor.h"
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#ifdef DEBUG
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#include "nsBlockFrame.h"
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static void PrettyUC(nscoord aSize, char* aBuf)
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{
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if (NS_UNCONSTRAINEDSIZE == aSize) {
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strcpy(aBuf, "UC");
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} else {
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if((int32_t)0xdeadbeef == aSize) {
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strcpy(aBuf, "deadbeef");
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} else {
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sprintf(aBuf, "%d", aSize);
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}
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}
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}
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#endif
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nsresult
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@ -26,7 +41,7 @@ nsAbsoluteContainingBlock::SetInitialChildList(nsIFrame* aDelegatingFrame,
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ChildListID aListID,
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nsFrameList& aChildList)
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{
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NS_PRECONDITION(GetChildListID() == aListID, "unexpected child list name");
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NS_PRECONDITION(mChildListID == aListID, "unexpected child list name");
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#ifdef DEBUG
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nsFrame::VerifyDirtyBitSet(aChildList);
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#endif
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@ -39,7 +54,7 @@ nsAbsoluteContainingBlock::AppendFrames(nsIFrame* aDelegatingFrame,
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ChildListID aListID,
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nsFrameList& aFrameList)
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{
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NS_ASSERTION(GetChildListID() == aListID, "unexpected child list");
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NS_ASSERTION(mChildListID == aListID, "unexpected child list");
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// Append the frames to our list of absolutely positioned frames
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#ifdef DEBUG
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@ -62,7 +77,7 @@ nsAbsoluteContainingBlock::InsertFrames(nsIFrame* aDelegatingFrame,
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList)
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{
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NS_ASSERTION(GetChildListID() == aListID, "unexpected child list");
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NS_ASSERTION(mChildListID == aListID, "unexpected child list");
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NS_ASSERTION(!aPrevFrame || aPrevFrame->GetParent() == aDelegatingFrame,
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"inserting after sibling frame with different parent");
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@ -85,7 +100,7 @@ nsAbsoluteContainingBlock::RemoveFrame(nsIFrame* aDelegatingFrame,
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ChildListID aListID,
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nsIFrame* aOldFrame)
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{
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NS_ASSERTION(GetChildListID() == aListID, "unexpected child list");
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NS_ASSERTION(mChildListID == aListID, "unexpected child list");
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nsIFrame* nif = aOldFrame->GetNextInFlow();
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if (nif) {
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static_cast<nsContainerFrame*>(nif->GetParent())
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@ -328,7 +343,7 @@ nsAbsoluteContainingBlock::DoMarkFramesDirty(bool aMarkAllDirty)
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// reflow...
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// When bug 154892 is checked in, make sure that when
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// GetChildListID() == kFixedList, the height is unconstrained.
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// mChildListID == kFixedList, the height is unconstrained.
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// since we don't allow replicated frames to split.
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nsresult
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@ -482,22 +497,3 @@ nsAbsoluteContainingBlock::ReflowAbsoluteFrame(nsIFrame* aDelegat
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return rv;
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}
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#ifdef DEBUG
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void nsAbsoluteContainingBlock::PrettyUC(nscoord aSize,
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char* aBuf)
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{
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if (NS_UNCONSTRAINEDSIZE == aSize) {
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strcpy(aBuf, "UC");
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}
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else {
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if((int32_t)0xdeadbeef == aSize)
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{
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strcpy(aBuf, "deadbeef");
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}
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else {
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sprintf(aBuf, "%d", aSize);
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}
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}
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}
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#endif
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@ -12,12 +12,10 @@
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#define nsAbsoluteContainingBlock_h___
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#include "nsFrameList.h"
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#include "nsHTMLReflowState.h"
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#include "nsGkAtoms.h"
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#include "nsContainerFrame.h"
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#include "nsIFrame.h"
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class nsIAtom;
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class nsIFrame;
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class nsContainerFrame;
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class nsHTMLReflowState;
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class nsPresContext;
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/**
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@ -32,7 +30,6 @@ class nsPresContext;
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*
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* All functions include as the first argument the frame that is delegating
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* the request.
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*
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*/
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class nsAbsoluteContainingBlock
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{
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@ -44,20 +41,16 @@ public:
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: mChildListID(aChildListID)
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#endif
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{
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NS_ASSERTION(mChildListID == nsIFrame::kAbsoluteList ||
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mChildListID == nsIFrame::kFixedList,
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"should either represent position:fixed or absolute content");
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MOZ_ASSERT(mChildListID == nsIFrame::kAbsoluteList ||
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mChildListID == nsIFrame::kFixedList,
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"should either represent position:fixed or absolute content");
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}
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#ifdef DEBUG
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ChildListID GetChildListID() const { return mChildListID; }
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#endif
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const nsFrameList& GetChildList() const { return mAbsoluteFrames; }
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void AppendChildList(nsTArray<nsIFrame::ChildList>* aLists,
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ChildListID aListID) const
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{
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NS_ASSERTION(aListID == GetChildListID(), "wrong list ID");
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NS_ASSERTION(aListID == mChildListID, "wrong list ID");
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GetChildList().AppendIfNonempty(aLists, aListID);
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}
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@ -75,18 +68,20 @@ public:
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ChildListID aListID,
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nsIFrame* aOldFrame);
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// Called by the delegating frame after it has done its reflow first. This
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// function will reflow any absolutely positioned child frames that need to
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// be reflowed, e.g., because the absolutely positioned child frame has
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// 'auto' for an offset, or a percentage based width or height.
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//
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// aOverflowAreas, if non-null, is unioned with (in the local
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// coordinate space) the overflow areas of the absolutely positioned
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// children.
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//
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// aReflowStatus is assumed to be already-initialized, e.g. with the status
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// of the delegating frame's main reflow. This function merges in the
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// statuses of the absolutely positioned children's reflows.
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/**
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* Called by the delegating frame after it has done its reflow first. This
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* function will reflow any absolutely positioned child frames that need to
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* be reflowed, e.g., because the absolutely positioned child frame has
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* 'auto' for an offset, or a percentage based width or height.
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*
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* @param aOverflowAreas, if non-null, is unioned with (in the local
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* coordinate space) the overflow areas of the absolutely positioned
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* children.
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*
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* @param aReflowStatus is assumed to be already-initialized, e.g. with the
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* status of the delegating frame's main reflow. This function merges in the
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* statuses of the absolutely positioned children's reflows.
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*/
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nsresult Reflow(nsContainerFrame* aDelegatingFrame,
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nsPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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@ -102,24 +97,30 @@ public:
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void DestroyFrames(nsIFrame* aDelegatingFrame,
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nsIFrame* aDestructRoot);
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bool HasAbsoluteFrames() {return mAbsoluteFrames.NotEmpty();}
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bool HasAbsoluteFrames() const { return mAbsoluteFrames.NotEmpty(); }
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// Mark our size-dependent absolute frames with NS_FRAME_HAS_DIRTY_CHILDREN
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// so that we'll make sure to reflow them.
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/**
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* Mark our size-dependent absolute frames with NS_FRAME_HAS_DIRTY_CHILDREN
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* so that we'll make sure to reflow them.
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*/
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void MarkSizeDependentFramesDirty();
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// Mark all our absolute frames with NS_FRAME_IS_DIRTY
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/**
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* Mark all our absolute frames with NS_FRAME_IS_DIRTY.
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*/
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void MarkAllFramesDirty();
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protected:
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// Returns true if the position of f depends on the position of
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// its placeholder or if the position or size of f depends on a
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// containing block dimension that changed.
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bool FrameDependsOnContainer(nsIFrame* f, bool aCBWidthChanged,
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bool aCBHeightChanged);
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/**
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* Returns true if the position of aFrame depends on the position of
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* its placeholder or if the position or size of aFrame depends on a
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* containing block dimension that changed.
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*/
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bool FrameDependsOnContainer(nsIFrame* aFrame, bool aCBWidthChanged,
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bool aCBHeightChanged);
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nsresult ReflowAbsoluteFrame(nsIFrame* aDelegatingFrame,
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nsPresContext* aPresContext,
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nsPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nscoord aContainingBlockWidth,
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nscoord aContainingBlockHeight,
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@ -128,9 +129,12 @@ protected:
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nsReflowStatus& aStatus,
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nsOverflowAreas* aOverflowAreas);
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// Mark our absolute frames dirty. If aMarkAllDirty is true, all will be
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// marked with NS_FRAME_IS_DIRTY. Otherwise, the size-dependant ones will be
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// marked with NS_FRAME_HAS_DIRTY_CHILDREN.
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/**
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* Mark our absolute frames dirty.
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* @param aMarkAllDirty if true, all will be marked with NS_FRAME_IS_DIRTY.
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* Otherwise, the size-dependant ones will be marked with
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* NS_FRAME_HAS_DIRTY_CHILDREN.
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*/
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void DoMarkFramesDirty(bool aMarkAllDirty);
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protected:
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@ -138,12 +142,7 @@ protected:
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#ifdef DEBUG
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ChildListID const mChildListID; // kFixedList or kAbsoluteList
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// helper routine for debug printout
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void PrettyUC(nscoord aSize,
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char* aBuf);
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#endif
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};
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#endif /* nsnsAbsoluteContainingBlock_h___ */
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