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Add ref to Offscreen component #25254

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merged 6 commits into from
Sep 23, 2022
Merged

Add ref to Offscreen component #25254

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a86f80d
Expose ref to Offscreen if mode is manual
sammy-SC Sep 13, 2022
d8611ac
Prepend private fields on OffscreenInstance with underscore
sammy-SC Sep 13, 2022
a8f7a96
Schedule Ref effect unconditionally on Offscreen
sammy-SC Sep 21, 2022
1608017
Make sure Offscreen's ref is detached when unmounted
sammy-SC Sep 21, 2022
4320341
Make sure ref is mounted/unmounted in all scenarious
sammy-SC Sep 21, 2022
c7e962f
Nit: pendingProps -> memoizedProps
acdlite Sep 23, 2022
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Prepend private fields on OffscreenInstance with underscore
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@sammy-SC
sammy-SC committed Sep 13, 2022
commit d8611accad946cc681073a17503f9717558cdeaf
16 changes: 8 additions & 8 deletions packages/react-reconciler/src/ReactFiber.new.js
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Original file line number Diff line number Diff line change
Expand Up @@ -719,10 +719,10 @@ export function createFiberFromOffscreen(
fiber.elementType = REACT_OFFSCREEN_TYPE;
fiber.lanes = lanes;
const primaryChildInstance: OffscreenInstance = {
visibility: OffscreenVisible,
pendingMarkers: null,
retryCache: null,
transitions: null,
_visibility: OffscreenVisible,
_pendingMarkers: null,
_retryCache: null,
_transitions: null,
};
fiber.stateNode = primaryChildInstance;
return fiber;
Expand All @@ -740,10 +740,10 @@ export function createFiberFromLegacyHidden(
// Adding a stateNode for legacy hidden because it's currently using
// the offscreen implementation, which depends on a state node
const instance: OffscreenInstance = {
visibility: OffscreenVisible,
pendingMarkers: null,
transitions: null,
retryCache: null,
_visibility: OffscreenVisible,
_pendingMarkers: null,
_transitions: null,
_retryCache: null,
};
fiber.stateNode = instance;
return fiber;
Expand Down
16 changes: 8 additions & 8 deletions packages/react-reconciler/src/ReactFiber.old.js
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Original file line number Diff line number Diff line change
Expand Up @@ -719,10 +719,10 @@ export function createFiberFromOffscreen(
fiber.elementType = REACT_OFFSCREEN_TYPE;
fiber.lanes = lanes;
const primaryChildInstance: OffscreenInstance = {
visibility: OffscreenVisible,
pendingMarkers: null,
retryCache: null,
transitions: null,
_visibility: OffscreenVisible,
_pendingMarkers: null,
_retryCache: null,
_transitions: null,
};
fiber.stateNode = primaryChildInstance;
return fiber;
Expand All @@ -740,10 +740,10 @@ export function createFiberFromLegacyHidden(
// Adding a stateNode for legacy hidden because it's currently using
// the offscreen implementation, which depends on a state node
const instance: OffscreenInstance = {
visibility: OffscreenVisible,
pendingMarkers: null,
transitions: null,
retryCache: null,
_visibility: OffscreenVisible,
_pendingMarkers: null,
_transitions: null,
_retryCache: null,
};
fiber.stateNode = instance;
return fiber;
Expand Down
4 changes: 2 additions & 2 deletions packages/react-reconciler/src/ReactFiberBeginWork.new.js
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Original file line number Diff line number Diff line change
Expand Up @@ -815,8 +815,8 @@ function updateOffscreenComponent(
// We have now gone from hidden to visible, so any transitions should
// be added to the stack to get added to any Offscreen/suspense children
const instance: OffscreenInstance | null = workInProgress.stateNode;
if (instance !== null && instance.transitions != null) {
transitions = Array.from(instance.transitions);
if (instance !== null && instance._transitions != null) {
transitions = Array.from(instance._transitions);
}
}

Expand Down
4 changes: 2 additions & 2 deletions packages/react-reconciler/src/ReactFiberBeginWork.old.js
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Original file line number Diff line number Diff line change
Expand Up @@ -815,8 +815,8 @@ function updateOffscreenComponent(
// We have now gone from hidden to visible, so any transitions should
// be added to the stack to get added to any Offscreen/suspense children
const instance: OffscreenInstance | null = workInProgress.stateNode;
if (instance !== null && instance.transitions != null) {
transitions = Array.from(instance.transitions);
if (instance !== null && instance._transitions != null) {
transitions = Array.from(instance._transitions);
}
}

Expand Down
56 changes: 28 additions & 28 deletions packages/react-reconciler/src/ReactFiberCommitWork.new.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1304,7 +1304,7 @@ function commitTransitionProgress(offscreenFiber: Fiber) {
const wasHidden = prevState !== null;
const isHidden = nextState !== null;

const pendingMarkers = offscreenInstance.pendingMarkers;
const pendingMarkers = offscreenInstance._pendingMarkers;
// If there is a name on the suspense boundary, store that in
// the pending boundaries.
let name = null;
Expand Down Expand Up @@ -2240,9 +2240,9 @@ function getRetryCache(finishedWork) {
}
case OffscreenComponent: {
const instance: OffscreenInstance = finishedWork.stateNode;
let retryCache = instance.retryCache;
let retryCache = instance._retryCache;
if (retryCache === null) {
retryCache = instance.retryCache = new PossiblyWeakSet();
retryCache = instance._retryCache = new PossiblyWeakSet();
}
return retryCache;
}
Expand Down Expand Up @@ -2641,9 +2641,9 @@ function commitMutationEffectsOnFiber(
// Track the current state on the Offscreen instance so we can
// read it during an event
if (isHidden) {
offscreenInstance.visibility &= ~OffscreenVisible;
offscreenInstance._visibility &= ~OffscreenVisible;
} else {
offscreenInstance.visibility |= OffscreenVisible;
offscreenInstance._visibility |= OffscreenVisible;
}

if (isHidden) {
Expand Down Expand Up @@ -3088,10 +3088,10 @@ function commitOffscreenPassiveMountEffects(
// Add all the transitions saved in the update queue during
// the render phase (ie the transitions associated with this boundary)
// into the transitions set.
if (instance.transitions === null) {
instance.transitions = new Set();
if (instance._transitions === null) {
instance._transitions = new Set();
}
instance.transitions.add(transition);
instance._transitions.add(transition);
});
}

Expand All @@ -3104,17 +3104,17 @@ function commitOffscreenPassiveMountEffects(
// caused them
if (markerTransitions !== null) {
markerTransitions.forEach(transition => {
if (instance.transitions === null) {
instance.transitions = new Set();
} else if (instance.transitions.has(transition)) {
if (instance._transitions === null) {
instance._transitions = new Set();
} else if (instance._transitions.has(transition)) {
if (markerInstance.pendingBoundaries === null) {
markerInstance.pendingBoundaries = new Map();
}
if (instance.pendingMarkers === null) {
instance.pendingMarkers = new Set();
if (instance._pendingMarkers === null) {
instance._pendingMarkers = new Set();
}

instance.pendingMarkers.add(markerInstance);
instance._pendingMarkers.add(markerInstance);
}
});
}
Expand All @@ -3129,8 +3129,8 @@ function commitOffscreenPassiveMountEffects(

// TODO: Refactor this into an if/else branch
if (!isHidden) {
instance.transitions = null;
instance.pendingMarkers = null;
instance._transitions = null;
instance._pendingMarkers = null;
}
}
}
Expand Down Expand Up @@ -3310,7 +3310,7 @@ function commitPassiveMountOnFiber(
const isHidden = nextState !== null;

if (isHidden) {
if (instance.visibility & OffscreenPassiveEffectsConnected) {
if (instance._visibility & OffscreenPassiveEffectsConnected) {
// The effects are currently connected. Update them.
recursivelyTraversePassiveMountEffects(
finishedRoot,
Expand All @@ -3335,7 +3335,7 @@ function commitPassiveMountOnFiber(
}
} else {
// Legacy Mode: Fire the effects even if the tree is hidden.
instance.visibility |= OffscreenPassiveEffectsConnected;
instance._visibility |= OffscreenPassiveEffectsConnected;
recursivelyTraversePassiveMountEffects(
finishedRoot,
finishedWork,
Expand All @@ -3346,7 +3346,7 @@ function commitPassiveMountOnFiber(
}
} else {
// Tree is visible
if (instance.visibility & OffscreenPassiveEffectsConnected) {
if (instance._visibility & OffscreenPassiveEffectsConnected) {
// The effects are currently connected. Update them.
recursivelyTraversePassiveMountEffects(
finishedRoot,
Expand All @@ -3358,7 +3358,7 @@ function commitPassiveMountOnFiber(
// The effects are currently disconnected. Reconnect them, while also
// firing effects inside newly mounted trees. This also applies to
// the initial render.
instance.visibility |= OffscreenPassiveEffectsConnected;
instance._visibility |= OffscreenPassiveEffectsConnected;

const includeWorkInProgressEffects =
(finishedWork.subtreeFlags & PassiveMask) !== NoFlags;
Expand Down Expand Up @@ -3490,7 +3490,7 @@ export function reconnectPassiveEffects(
const isHidden = nextState !== null;

if (isHidden) {
if (instance.visibility & OffscreenPassiveEffectsConnected) {
if (instance._visibility & OffscreenPassiveEffectsConnected) {
// The effects are currently connected. Update them.
recursivelyTraverseReconnectPassiveEffects(
finishedRoot,
Expand All @@ -3516,7 +3516,7 @@ export function reconnectPassiveEffects(
}
} else {
// Legacy Mode: Fire the effects even if the tree is hidden.
instance.visibility |= OffscreenPassiveEffectsConnected;
instance._visibility |= OffscreenPassiveEffectsConnected;
recursivelyTraverseReconnectPassiveEffects(
finishedRoot,
finishedWork,
Expand All @@ -3534,7 +3534,7 @@ export function reconnectPassiveEffects(
// continue traversing the tree and firing all the effects.
//
// We do need to set the "connected" flag on the instance, though.
instance.visibility |= OffscreenPassiveEffectsConnected;
instance._visibility |= OffscreenPassiveEffectsConnected;

recursivelyTraverseReconnectPassiveEffects(
finishedRoot,
Expand Down Expand Up @@ -3789,7 +3789,7 @@ function commitPassiveUnmountOnFiber(finishedWork: Fiber): void {

if (
isHidden &&
instance.visibility & OffscreenPassiveEffectsConnected &&
instance._visibility & OffscreenPassiveEffectsConnected &&
// For backwards compatibility, don't unmount when a tree suspends. In
// the future we may change this to unmount after a delay.
(finishedWork.return === null ||
Expand All @@ -3799,7 +3799,7 @@ function commitPassiveUnmountOnFiber(finishedWork: Fiber): void {
// TODO: Add option or heuristic to delay before disconnecting the
// effects. Then if the tree reappears before the delay has elapsed, we
// can skip toggling the effects entirely.
instance.visibility &= ~OffscreenPassiveEffectsConnected;
instance._visibility &= ~OffscreenPassiveEffectsConnected;
recursivelyTraverseDisconnectPassiveEffects(finishedWork);
} else {
recursivelyTraversePassiveUnmountEffects(finishedWork);
Expand Down Expand Up @@ -3863,8 +3863,8 @@ export function disconnectPassiveEffect(finishedWork: Fiber): void {
}
case OffscreenComponent: {
const instance: OffscreenInstance = finishedWork.stateNode;
if (instance.visibility & OffscreenPassiveEffectsConnected) {
instance.visibility &= ~OffscreenPassiveEffectsConnected;
if (instance._visibility & OffscreenPassiveEffectsConnected) {
instance._visibility &= ~OffscreenPassiveEffectsConnected;
recursivelyTraverseDisconnectPassiveEffects(finishedWork);
} else {
// The effects are already disconnected.
Expand Down Expand Up @@ -3992,7 +3992,7 @@ function commitPassiveUnmountInsideDeletedTreeOnFiber(
// We need to mark this fiber's parents as deleted
const offscreenFiber: Fiber = (current.child: any);
const instance: OffscreenInstance = offscreenFiber.stateNode;
const transitions = instance.transitions;
const transitions = instance._transitions;
if (transitions !== null) {
const abortReason = {
reason: 'suspense',
Expand Down
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