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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "FlexLineValues.h"
#include "Flex.h"
#include "FlexItemValues.h"
#include "mozilla/dom/FlexBinding.h"
#include "nsFlexContainerFrame.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FlexLineValues, mParent, mItems)
NS_IMPL_CYCLE_COLLECTING_ADDREF(FlexLineValues)
NS_IMPL_CYCLE_COLLECTING_RELEASE(FlexLineValues)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FlexLineValues)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
FlexLineValues::FlexLineValues(Flex* aParent, const ComputedFlexLineInfo* aLine)
: mParent(aParent) {
MOZ_ASSERT(aLine,
"Should never be instantiated with a null ComputedFlexLineInfo.");
// Eagerly copy values from aLine, because we're not
// going to keep it around.
mGrowthState = aLine->mGrowthState;
// Convert all the app unit values into css pixels.
mCrossStart = nsPresContext::AppUnitsToDoubleCSSPixels(aLine->mCrossStart);
mCrossSize = nsPresContext::AppUnitsToDoubleCSSPixels(aLine->mCrossSize);
mFirstBaselineOffset =
nsPresContext::AppUnitsToDoubleCSSPixels(aLine->mFirstBaselineOffset);
mLastBaselineOffset =
nsPresContext::AppUnitsToDoubleCSSPixels(aLine->mLastBaselineOffset);
mItems.SetLength(aLine->mItems.Length());
uint32_t index = 0;
for (auto&& i : aLine->mItems) {
FlexItemValues* item = new FlexItemValues(this, &i);
mItems.ElementAt(index) = item;
index++;
}
}
JSObject* FlexLineValues::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return FlexLineValues_Binding::Wrap(aCx, this, aGivenProto);
}
FlexLineGrowthState FlexLineValues::GrowthState() const { return mGrowthState; }
double FlexLineValues::CrossStart() const { return mCrossStart; }
double FlexLineValues::CrossSize() const { return mCrossSize; }
double FlexLineValues::FirstBaselineOffset() const {
return mFirstBaselineOffset;
}
double FlexLineValues::LastBaselineOffset() const {
return mLastBaselineOffset;
}
void FlexLineValues::GetItems(nsTArray<RefPtr<FlexItemValues>>& aResult) {
aResult.AppendElements(mItems);
}
} // namespace mozilla::dom
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