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zeyap wants to merge 2 commits into from
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Add ViewTransitionModule for enter/exit/share transitions #55752

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eb39460
Add UIManagerViewTransitionDelegate interface and View Transition APIs
Mar 3, 2026
f5d1580
Add ViewTransitionModule for enter/exit/share transitions (#55752)
zeyap Mar 3, 2026
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2 changes: 1 addition & 1 deletion packages/react-native/Package.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -456,7 +456,7 @@ let reactFabric = RNTarget(
"components/root/tests",
],
dependencies: [.reactNativeDependencies, .reactJsiExecutor, .rctTypesafety, .reactTurboModuleCore, .jsi, .logger, .reactDebug, .reactFeatureFlags, .reactUtils, .reactRuntimeScheduler, .reactCxxReact, .reactRendererDebug, .reactGraphics, .yoga],
sources: ["animationbackend", "animations", "attributedstring", "core", "componentregistry", "componentregistry/native", "components/root", "components/view", "components/view/platform/cxx", "components/scrollview", "components/scrollview/platform/cxx", "components/scrollview/platform/ios", "components/legacyviewmanagerinterop", "components/legacyviewmanagerinterop/platform/ios", "dom", "scheduler", "mounting", "observers/events", "observers/intersection", "telemetry", "consistency", "leakchecker", "uimanager", "uimanager/consistency"]
sources: ["animationbackend", "animations", "attributedstring", "core", "componentregistry", "componentregistry/native", "components/root", "components/view", "components/view/platform/cxx", "components/scrollview", "components/scrollview/platform/cxx", "components/scrollview/platform/ios", "components/legacyviewmanagerinterop", "components/legacyviewmanagerinterop/platform/ios", "dom", "scheduler", "mounting", "observers/events", "observers/intersection", "telemetry", "consistency", "leakchecker", "uimanager", "uimanager/consistency", "viewtransition"]
)

let reactFabricInputAccessory = RNTarget(
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3 changes: 3 additions & 0 deletions packages/react-native/ReactAndroid/src/main/jni/CMakeLists.txt
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Expand Up @@ -89,6 +89,7 @@ add_react_common_subdir(react/renderer/componentregistry)
add_react_common_subdir(react/renderer/mounting)
add_react_common_subdir(react/renderer/scheduler)
add_react_common_subdir(react/renderer/telemetry)
add_react_common_subdir(react/renderer/viewtransition)
add_react_common_subdir(react/renderer/uimanager)
add_react_common_subdir(react/renderer/bridging)
add_react_common_subdir(react/renderer/core)
Expand Down Expand Up @@ -223,6 +224,7 @@ add_library(reactnative
$<TARGET_OBJECTS:react_renderer_textlayoutmanager>
$<TARGET_OBJECTS:react_renderer_uimanager>
$<TARGET_OBJECTS:react_renderer_uimanager_consistency>
$<TARGET_OBJECTS:react_renderer_viewtransition>
$<TARGET_OBJECTS:react_utils>
$<TARGET_OBJECTS:reactnativeblob>
$<TARGET_OBJECTS:reactnativejni>
Expand Down Expand Up @@ -318,6 +320,7 @@ target_include_directories(reactnative
$<TARGET_PROPERTY:react_renderer_textlayoutmanager,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:react_renderer_uimanager,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:react_renderer_uimanager_consistency,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:react_renderer_viewtransition,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:react_utils,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:reactnativeblob,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:reactnativejni,INTERFACE_INCLUDE_DIRECTORIES>
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6 changes: 6 additions & 0 deletions packages/react-native/ReactCommon/React-Fabric.podspec
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Expand Up @@ -161,6 +161,7 @@ Pod::Spec.new do |s|
ss.header_dir = "react/renderer/scheduler"

ss.dependency "React-Fabric/animationbackend"
ss.dependency "React-Fabric/viewtransition"
ss.dependency "React-performancecdpmetrics"
ss.dependency "React-performancetimeline"
ss.dependency "React-Fabric/observers/events"
Expand Down Expand Up @@ -220,4 +221,9 @@ Pod::Spec.new do |s|
ss.header_dir = "react/renderer/leakchecker"
ss.pod_target_xcconfig = { "GCC_WARN_PEDANTIC" => "YES" }
end

s.subspec "viewtransition" do |ss|
ss.source_files = podspec_sources("react/renderer/viewtransition/**/*.{m,mm,cpp,h}", "react/renderer/viewtransition/**/*.h")
ss.header_dir = "react/renderer/viewtransition"
end
end
1 change: 1 addition & 0 deletions packages/react-native/ReactCommon/react/renderer/scheduler/CMakeLists.txt
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Expand Up @@ -30,6 +30,7 @@ target_link_libraries(react_renderer_scheduler
react_renderer_observers_events
react_renderer_runtimescheduler
react_renderer_uimanager
react_renderer_viewtransition
react_utils
rrc_root
rrc_view
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8 changes: 8 additions & 0 deletions packages/react-native/ReactCommon/react/renderer/scheduler/Scheduler.cpp
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Expand Up @@ -157,6 +157,13 @@ Scheduler::Scheduler(
}
uiManager_->setAnimationDelegate(animationDelegate);

// Initialize ViewTransitionModule
if (ReactNativeFeatureFlags::viewTransitionEnabled()) {
viewTransitionModule_ = std::make_unique<ViewTransitionModule>();
viewTransitionModule_->setUIManager(uiManager_.get());
uiManager_->setViewTransitionDelegate(viewTransitionModule_.get());
}

uiManager->registerMountHook(*eventPerformanceLogger_);
}

Expand Down Expand Up @@ -186,6 +193,7 @@ Scheduler::~Scheduler() {
// The thread-safety of this operation is guaranteed by this requirement.
uiManager_->setDelegate(nullptr);
uiManager_->setAnimationDelegate(nullptr);
uiManager_->setViewTransitionDelegate(nullptr);

if (cdpMetricsReporter_) {
performanceEntryReporter_->removeEventListener(&*cdpMetricsReporter_);
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3 changes: 3 additions & 0 deletions packages/react-native/ReactCommon/react/renderer/scheduler/Scheduler.h
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Expand Up @@ -27,6 +27,7 @@
#include <react/renderer/uimanager/UIManagerAnimationDelegate.h>
#include <react/renderer/uimanager/UIManagerBinding.h>
#include <react/renderer/uimanager/UIManagerDelegate.h>
#include <react/renderer/viewtransition/ViewTransitionModule.h>
#include <react/utils/ContextContainer.h>

namespace facebook::react {
Expand Down Expand Up @@ -146,6 +147,8 @@ class Scheduler final : public UIManagerDelegate {

RuntimeScheduler *runtimeScheduler_{nullptr};

std::unique_ptr<ViewTransitionModule> viewTransitionModule_;

mutable std::shared_mutex onSurfaceStartCallbackMutex_;
OnSurfaceStartCallback onSurfaceStartCallback_;
};
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11 changes: 11 additions & 0 deletions packages/react-native/ReactCommon/react/renderer/uimanager/UIManager.cpp
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Expand Up @@ -488,6 +488,10 @@ void UIManager::sendAccessibilityEvent(
}
}

UIManagerViewTransitionDelegate* UIManager::getViewTransitionDelegate() const {
return viewTransitionDelegate_;
}

void UIManager::configureNextLayoutAnimation(
jsi::Runtime& runtime,
const RawValue& config,
Expand Down Expand Up @@ -708,6 +712,13 @@ void UIManager::setNativeAnimatedDelegate(
nativeAnimatedDelegate_ = delegate;
}

void UIManager::setViewTransitionDelegate(
UIManagerViewTransitionDelegate* delegate) {
if (ReactNativeFeatureFlags::viewTransitionEnabled()) {
viewTransitionDelegate_ = delegate;
}
}

void UIManager::unstable_setAnimationBackend(
std::shared_ptr<UIManagerAnimationBackend> animationBackend) {
animationBackend_ = animationBackend;
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8 changes: 8 additions & 0 deletions packages/react-native/ReactCommon/react/renderer/uimanager/UIManager.h
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Expand Up @@ -27,6 +27,7 @@
#include <react/renderer/uimanager/UIManagerAnimationDelegate.h>
#include <react/renderer/uimanager/UIManagerDelegate.h>
#include <react/renderer/uimanager/UIManagerNativeAnimatedDelegate.h>
#include <react/renderer/uimanager/UIManagerViewTransitionDelegate.h>
#include <react/renderer/uimanager/consistency/LazyShadowTreeRevisionConsistencyManager.h>
#include <react/renderer/uimanager/consistency/ShadowTreeRevisionProvider.h>
#include <react/renderer/uimanager/primitives.h>
Expand Down Expand Up @@ -74,6 +75,12 @@ class UIManager final : public ShadowTreeDelegate {

void setNativeAnimatedDelegate(std::weak_ptr<UIManagerNativeAnimatedDelegate> delegate);

/**
* Sets and gets UIManager's ViewTransition API delegate.
*/
void setViewTransitionDelegate(UIManagerViewTransitionDelegate *delegate);
UIManagerViewTransitionDelegate *getViewTransitionDelegate() const;

void animationTick() const;

void synchronouslyUpdateViewOnUIThread(Tag tag, const folly::dynamic &props);
Expand Down Expand Up @@ -242,6 +249,7 @@ class UIManager final : public ShadowTreeDelegate {
UIManagerDelegate *delegate_{};
UIManagerAnimationDelegate *animationDelegate_{nullptr};
std::weak_ptr<UIManagerNativeAnimatedDelegate> nativeAnimatedDelegate_;
UIManagerViewTransitionDelegate *viewTransitionDelegate_{nullptr};

const RuntimeExecutor runtimeExecutor_{};
ShadowTreeRegistry shadowTreeRegistry_{};
Expand Down
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