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initialize reflow metrics and reflow state to avoid downstream bugs

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This commit is contained in:
kipp 1998-07-10 20:26:20 +00:00
parent a9a335fddc
commit 7664b60bce
2 changed files with 36 additions and 20 deletions
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28
layout/base/public/nsIFrame.h
View File

@ -67,23 +67,15 @@ struct nsReflowMetrics {
// value carried into the child frame. The child frame, if it has a
// top margin to apply will set it to the actual top margin to use.
nscoord posTopMargin; // in/out
nscoord negTopMargin; // in/out
// These values are set by the child frame indicating its bottom
// margin value.
nscoord posBottomMargin; // out
nscoord negBottomMargin; // out
nsReflowMetrics(nsSize* aMaxElementSize) {
maxElementSize = aMaxElementSize;
}
void SetMargins(nscoord aPosTop, nscoord aNegTop,
nscoord aPosBottom, nscoord aNegBottom) {
posTopMargin = aPosTop;
negTopMargin = aNegTop;
posBottomMargin = aPosBottom;
negBottomMargin = aNegBottom;
posTopMargin = 0;
posBottomMargin = 0;
}
};
@ -660,6 +652,10 @@ inline nsReflowState::nsReflowState(nsIFrame* aFrame,
maxSize = aMaxSize;
parentReflowState = nsnull;
frame = aFrame;
widthConstraint = eReflowSize_Constrained;
heightConstraint = eReflowSize_Constrained;
minSize.width = 0;
minSize.height = 0;
}
// Constructs an initial reflow state (no parent reflow state) for an
@ -678,6 +674,10 @@ inline nsReflowState::nsReflowState(nsIFrame* aFrame,
maxSize = aMaxSize;
parentReflowState = nsnull;
frame = aFrame;
widthConstraint = eReflowSize_Constrained;
heightConstraint = eReflowSize_Constrained;
minSize.width = 0;
minSize.height = 0;
}
// Construct a reflow state for the given frame, parent reflow state, and
@ -692,6 +692,10 @@ inline nsReflowState::nsReflowState(nsIFrame* aFrame,
maxSize = aMaxSize;
parentReflowState = &aParentReflowState;
frame = aFrame;
widthConstraint = eReflowSize_Constrained;
heightConstraint = eReflowSize_Constrained;
minSize.width = 0;
minSize.height = 0;
}
// Constructs a reflow state that overrides the reflow reason of the parent
@ -706,6 +710,10 @@ inline nsReflowState::nsReflowState(nsIFrame* aFrame,
maxSize = aMaxSize;
parentReflowState = &aParentReflowState;
frame = aFrame;
widthConstraint = eReflowSize_Constrained;
heightConstraint = eReflowSize_Constrained;
minSize.width = 0;
minSize.height = 0;
}
#endif /* nsIFrame_h___ */

28
layout/generic/nsIFrame.h
View File

@ -67,23 +67,15 @@ struct nsReflowMetrics {
// value carried into the child frame. The child frame, if it has a
// top margin to apply will set it to the actual top margin to use.
nscoord posTopMargin; // in/out
nscoord negTopMargin; // in/out
// These values are set by the child frame indicating its bottom
// margin value.
nscoord posBottomMargin; // out
nscoord negBottomMargin; // out
nsReflowMetrics(nsSize* aMaxElementSize) {
maxElementSize = aMaxElementSize;
}
void SetMargins(nscoord aPosTop, nscoord aNegTop,
nscoord aPosBottom, nscoord aNegBottom) {
posTopMargin = aPosTop;
negTopMargin = aNegTop;
posBottomMargin = aPosBottom;
negBottomMargin = aNegBottom;
posTopMargin = 0;
posBottomMargin = 0;
}
};
@ -660,6 +652,10 @@ inline nsReflowState::nsReflowState(nsIFrame* aFrame,
maxSize = aMaxSize;
parentReflowState = nsnull;
frame = aFrame;
widthConstraint = eReflowSize_Constrained;
heightConstraint = eReflowSize_Constrained;
minSize.width = 0;
minSize.height = 0;
}
// Constructs an initial reflow state (no parent reflow state) for an
@ -678,6 +674,10 @@ inline nsReflowState::nsReflowState(nsIFrame* aFrame,
maxSize = aMaxSize;
parentReflowState = nsnull;
frame = aFrame;
widthConstraint = eReflowSize_Constrained;
heightConstraint = eReflowSize_Constrained;
minSize.width = 0;
minSize.height = 0;
}
// Construct a reflow state for the given frame, parent reflow state, and
@ -692,6 +692,10 @@ inline nsReflowState::nsReflowState(nsIFrame* aFrame,
maxSize = aMaxSize;
parentReflowState = &aParentReflowState;
frame = aFrame;
widthConstraint = eReflowSize_Constrained;
heightConstraint = eReflowSize_Constrained;
minSize.width = 0;
minSize.height = 0;
}
// Constructs a reflow state that overrides the reflow reason of the parent
@ -706,6 +710,10 @@ inline nsReflowState::nsReflowState(nsIFrame* aFrame,
maxSize = aMaxSize;
parentReflowState = &aParentReflowState;
frame = aFrame;
widthConstraint = eReflowSize_Constrained;
heightConstraint = eReflowSize_Constrained;
minSize.width = 0;
minSize.height = 0;
}
#endif /* nsIFrame_h___ */