summaryrefslogtreecommitdiffstats
path: root/dom/base/ResizeObserver.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:13:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:13:27 +0000
commit40a355a42d4a9444dc753c04c6608dade2f06a23 (patch)
tree871fc667d2de662f171103ce5ec067014ef85e61 /dom/base/ResizeObserver.h
parentAdding upstream version 124.0.1. (diff)
downloadfirefox-40a355a42d4a9444dc753c04c6608dade2f06a23.tar.xz
firefox-40a355a42d4a9444dc753c04c6608dade2f06a23.zip
Adding upstream version 125.0.1.upstream/125.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/base/ResizeObserver.h')
-rw-r--r--dom/base/ResizeObserver.h31
1 files changed, 17 insertions, 14 deletions
diff --git a/dom/base/ResizeObserver.h b/dom/base/ResizeObserver.h
index 6f1fc5b6cd..eaa0e1726d 100644
--- a/dom/base/ResizeObserver.h
+++ b/dom/base/ResizeObserver.h
@@ -121,9 +121,6 @@ class ResizeObservation final : public LinkedListElement<ResizeObservation> {
* https://drafts.csswg.org/resize-observer/#api
*/
class ResizeObserver final : public nsISupports, public nsWrapperCache {
- using NativeCallback = void (*)(
- const Sequence<OwningNonNull<ResizeObserverEntry>>&, ResizeObserver&);
- ResizeObserver(Document& aDocument, NativeCallback aCallback);
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
@@ -131,9 +128,7 @@ class ResizeObserver final : public nsISupports, public nsWrapperCache {
ResizeObserver(nsCOMPtr<nsPIDOMWindowInner>&& aOwner, Document* aDocument,
ResizeObserverCallback& aCb)
- : mOwner(std::move(aOwner)),
- mDocument(aDocument),
- mCallback(RefPtr<ResizeObserverCallback>(&aCb)) {
+ : mOwner(std::move(aOwner)), mDocument(aDocument), mCallback(&aCb) {
MOZ_ASSERT(mOwner, "Need a non-null owner window");
MOZ_ASSERT(mDocument, "Need a non-null doc");
MOZ_ASSERT(mDocument == mOwner->GetExtantDoc());
@@ -177,11 +172,6 @@ class ResizeObserver final : public nsISupports, public nsWrapperCache {
bool HasSkippedObservations() const { return mHasSkippedTargets; }
/**
- * Returns whether this is an internal ResizeObserver with a native callback.
- */
- bool HasNativeCallback() const { return mCallback.is<NativeCallback>(); }
-
- /**
* Invoke the callback function in JavaScript for all active observations
* and pass the sequence of ResizeObserverEntry so JavaScript can access them.
* The active observations' mLastReportedSize fields will be updated, and
@@ -191,8 +181,21 @@ class ResizeObserver final : public nsISupports, public nsWrapperCache {
*/
MOZ_CAN_RUN_SCRIPT uint32_t BroadcastActiveObservations();
- static already_AddRefed<ResizeObserver> CreateLastRememberedSizeObserver(
- Document&);
+ /**
+ * Returns |aTarget|'s size in the form of gfx::Size (in pixels).
+ * If the target is an SVG that does not participate in CSS layout,
+ * its width and height are determined from bounding box. Otherwise, the
+ * relevant box is determined according to the |aBox| parameter.
+ *
+ * If dom.resize_observer.support_fragments is enabled, or if
+ * |aForceFragmentHandling| is true then the function reports the size of all
+ * fragments, and not just the first one.
+ *
+ * https://www.w3.org/TR/resize-observer-1/#calculate-box-size
+ */
+ static AutoTArray<LogicalPixelSize, 1> CalculateBoxSize(
+ Element* aTarget, ResizeObserverBoxOptions aBox,
+ bool aForceFragmentHandling = false);
protected:
~ResizeObserver() { Disconnect(); }
@@ -200,7 +203,7 @@ class ResizeObserver final : public nsISupports, public nsWrapperCache {
nsCOMPtr<nsPIDOMWindowInner> mOwner;
// The window's document at the time of ResizeObserver creation.
RefPtr<Document> mDocument;
- Variant<RefPtr<ResizeObserverCallback>, NativeCallback> mCallback;
+ RefPtr<ResizeObserverCallback> mCallback;
nsTArray<RefPtr<ResizeObservation>> mActiveTargets;
// The spec uses a list to store the skipped targets. However, it seems what
// we want is to check if there are any skipped targets (i.e. existence).