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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /dom/flex/Flex.cpp | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/flex/Flex.cpp')
-rw-r--r-- | dom/flex/Flex.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/dom/flex/Flex.cpp b/dom/flex/Flex.cpp new file mode 100644 index 0000000000..898e81d4f5 --- /dev/null +++ b/dom/flex/Flex.cpp @@ -0,0 +1,67 @@ +/* -*- 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 "Flex.h" + +#include "FlexLineValues.h" +#include "mozilla/dom/Element.h" +#include "mozilla/dom/FlexBinding.h" +#include "nsFlexContainerFrame.h" + +namespace mozilla::dom { + +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Flex, mParent, mLines) +NS_IMPL_CYCLE_COLLECTING_ADDREF(Flex) +NS_IMPL_CYCLE_COLLECTING_RELEASE(Flex) +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Flex) + NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY + NS_INTERFACE_MAP_ENTRY(nsISupports) +NS_INTERFACE_MAP_END + +Flex::Flex(Element* aParent, nsFlexContainerFrame* aFrame) : mParent(aParent) { + MOZ_ASSERT(aFrame, + "Should never be instantiated with a null nsFlexContainerFrame"); + + // Eagerly create property values from aFrame, because we're not + // going to keep it around. + const ComputedFlexContainerInfo* containerInfo = + aFrame->GetFlexContainerInfo(); + if (!containerInfo) { + // It's weird but possible to fail to get a ComputedFlexContainerInfo + // structure. Assign sensible default values. + mMainAxisDirection = FlexPhysicalDirection::Horizontal_lr; + mCrossAxisDirection = FlexPhysicalDirection::Vertical_tb; + return; + } + mLines.SetLength(containerInfo->mLines.Length()); + uint32_t index = 0; + for (auto&& l : containerInfo->mLines) { + FlexLineValues* line = new FlexLineValues(this, &l); + mLines.ElementAt(index) = line; + index++; + } + + mMainAxisDirection = containerInfo->mMainAxisDirection; + mCrossAxisDirection = containerInfo->mCrossAxisDirection; +} + +JSObject* Flex::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) { + return Flex_Binding::Wrap(aCx, this, aGivenProto); +} + +void Flex::GetLines(nsTArray<RefPtr<FlexLineValues>>& aResult) { + aResult.AppendElements(mLines); +} + +FlexPhysicalDirection Flex::MainAxisDirection() const { + return mMainAxisDirection; +} + +FlexPhysicalDirection Flex::CrossAxisDirection() const { + return mCrossAxisDirection; +} + +} // namespace mozilla::dom |