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Bug 1415670 Part 1: Add a negativeNumber property to GridLine in webidl. r=smaug

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MozReview-Commit-ID: E3IycnsN6Ep

--HG--
extra : rebase_source : 47e6db76091c237aa3d40341427ff6c406405806
This commit is contained in:
Brad Werth 2017-11-08 13:25:16 -08:00
parent 7a627826a6
commit b5a67ff8c1
3 changed files with 22 additions and 1 deletions
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6
dom/grid/GridLine.cpp
View File

@ -70,6 +70,12 @@ GridLine::Number() const
return mNumber;
}
int32_t
GridLine::NegativeNumber() const
{
return 0;
}
void
GridLine::SetLineValues(const nsTArray<nsString>& aNames,
double aStart,

1
dom/grid/GridLine.h
View File

@ -42,6 +42,7 @@ public:
double Breadth() const;
GridDeclaration Type() const;
uint32_t Number() const;
int32_t NegativeNumber() const;
void SetLineValues(const nsTArray<nsString>& aNames,
double aStart,

16
dom/webidl/Grid.webidl
View File

@ -71,9 +71,23 @@ interface GridLine
readonly attribute GridDeclaration type;
/**
* Number is the 1-indexed index of the line in flow order.
* Number is the 1-indexed index of the line in flow order. The
* first explicit line has number 1, and numbers increment by 1 for
* each line after that. Lines before the first explicit line
* have number 0, which is not a valid addressable line number, and
* should be filtered out by callers.
*/
readonly attribute unsigned long number;
/**
* NegativeNumber is the 1-indexed index of the line in reverse
* flow order. The last explicit line has negativeNumber -1, and
* negativeNumbers decrement by 1 for each line before that.
* Lines after the last explicit line have negativeNumber 0, which
* is not a valid addressable line number, and should be filtered
* out by callers.
*/
readonly attribute long negativeNumber;
};
[ChromeOnly]