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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/flex/FlexItemValues.cpp
parentInitial commit. (diff)
downloadfirefox-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/FlexItemValues.cpp')
-rw-r--r--dom/flex/FlexItemValues.cpp96
1 files changed, 96 insertions, 0 deletions
diff --git a/dom/flex/FlexItemValues.cpp b/dom/flex/FlexItemValues.cpp
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+++ b/dom/flex/FlexItemValues.cpp
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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 "FlexItemValues.h"
+
+#include "mozilla/dom/DOMRect.h"
+#include "mozilla/dom/FlexBinding.h"
+#include "mozilla/dom/FlexLineValues.h"
+#include "nsFlexContainerFrame.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FlexItemValues, mParent, mNode,
+ mFrameRect)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(FlexItemValues)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(FlexItemValues)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FlexItemValues)
+ NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+ NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+/**
+ * Utility function to convert a nscoord size to CSS pixel values, with
+ * graceful treatment of NS_UNCONSTRAINEDSIZE (which this function converts to
+ * the double "positive infinity" value).
+ *
+ * This function is suitable for converting quantities that are expected to
+ * sometimes legitimately (rather than arbitrarily/accidentally) contain the
+ * sentinel value NS_UNCONSTRAINEDSIZE -- e.g. to handle "max-width: none".
+ */
+static double ToPossiblyUnconstrainedPixels(nscoord aSize) {
+ if (aSize == NS_UNCONSTRAINEDSIZE) {
+ return std::numeric_limits<double>::infinity();
+ }
+ return nsPresContext::AppUnitsToDoubleCSSPixels(aSize);
+}
+
+FlexItemValues::FlexItemValues(FlexLineValues* aParent,
+ const ComputedFlexItemInfo* aItem)
+ : mParent(aParent) {
+ MOZ_ASSERT(aItem,
+ "Should never be instantiated with a null ComputedFlexLineInfo.");
+
+ // Eagerly copy values from aItem, because we're not
+ // going to keep it around.
+ mNode = aItem->mNode;
+
+ // Since mNode might be null, we associate the mFrameRect with
+ // our parent.
+ mFrameRect = new DOMRectReadOnly(
+ mParent, nsPresContext::AppUnitsToDoubleCSSPixels(aItem->mFrameRect.X()),
+ nsPresContext::AppUnitsToDoubleCSSPixels(aItem->mFrameRect.Y()),
+ nsPresContext::AppUnitsToDoubleCSSPixels(aItem->mFrameRect.Width()),
+ nsPresContext::AppUnitsToDoubleCSSPixels(aItem->mFrameRect.Height()));
+
+ // Convert app unit sizes to css pixel sizes.
+ mMainBaseSize =
+ nsPresContext::AppUnitsToDoubleCSSPixels(aItem->mMainBaseSize);
+ mMainDeltaSize =
+ nsPresContext::AppUnitsToDoubleCSSPixels(aItem->mMainDeltaSize);
+ mMainMinSize = nsPresContext::AppUnitsToDoubleCSSPixels(aItem->mMainMinSize);
+ mMainMaxSize = ToPossiblyUnconstrainedPixels(aItem->mMainMaxSize);
+ mCrossMinSize =
+ nsPresContext::AppUnitsToDoubleCSSPixels(aItem->mCrossMinSize);
+ mCrossMaxSize = ToPossiblyUnconstrainedPixels(aItem->mCrossMaxSize);
+
+ mClampState = aItem->mClampState;
+}
+
+JSObject* FlexItemValues::WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ return FlexItemValues_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+nsINode* FlexItemValues::GetNode() const { return mNode; }
+
+DOMRectReadOnly* FlexItemValues::FrameRect() const { return mFrameRect; }
+
+double FlexItemValues::MainBaseSize() const { return mMainBaseSize; }
+
+double FlexItemValues::MainDeltaSize() const { return mMainDeltaSize; }
+
+double FlexItemValues::MainMinSize() const { return mMainMinSize; }
+
+double FlexItemValues::MainMaxSize() const { return mMainMaxSize; }
+
+double FlexItemValues::CrossMinSize() const { return mCrossMinSize; }
+
+double FlexItemValues::CrossMaxSize() const { return mCrossMaxSize; }
+
+FlexItemClampState FlexItemValues::ClampState() const { return mClampState; }
+
+} // namespace mozilla::dom