wuggy/Dactyloidae
wuggy/Dactyloidae
1
0
Fork 0
mirror of https://repo.dactyloidae.xyz/Dactyloidae/UXP.git synced 2026-09-20 23:37:33 +09:00
Code Issues Projects Releases Packages Wiki Activity

Support CSS sizing math functions

Browse source
This commit is contained in:
Basilisk-Dev 2026-05-10 14:04:56 -04:00 • committed by wuggy
commit c47cea4ddf
12 changed files with 1234 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

46
layout/style/nsStyleCoord.h
View file

@ -10,6 +10,8 @@
#include "nsCoord.h"
#include "nsStyleConsts.h"
#include "nsTArray.h"
#include "mozilla/RefPtr.h"
namespace mozilla {
@ -106,7 +108,44 @@ public:
// If this returns true the value is definitely zero. It it returns false
// it might be zero. So it's best used for conservative optimization.
bool IsDefinitelyZero() const { return mLength == 0 && mPercent == 0; }
bool IsDefinitelyZero() const {
return mLength == 0 && mPercent == 0 && !mHasPercent;
}
};
struct CalcNode final {
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CalcNode)
enum class Type : uint8_t {
Leaf,
Add,
Subtract,
Multiply,
Divide,
Min,
Max,
Clamp
};
static already_AddRefed<CalcNode> CreateLeaf(nscoord aLength,
float aPercent,
bool aHasPercent);
static already_AddRefed<CalcNode> Create(Type aType);
bool HasPercent() const;
bool Equals(const CalcNode& aOther) const;
uint32_t HashValue(uint32_t aHash) const;
Type mType;
nscoord mLength;
float mPercent;
float mNumber;
bool mHasPercent;
nsTArray<RefPtr<CalcNode>> mChildren;
private:
explicit CalcNode(Type aType);
~CalcNode() {}
};
// Reference counted calc() value. This is the type that is used to store
@ -115,6 +154,11 @@ public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(Calc)
Calc() {}
bool HasCalcNode() const { return !!mNode; }
nscoord Resolve(nscoord aPercentageBasis) const;
RefPtr<CalcNode> mNode;
private:
Calc(const Calc&) = delete;
~Calc() {}