Delete native UI template (#39487)

sammy-SC · facebook-github-bot · commit 1719a072fd03 · 2023-10-06T07:44:50.000-07:00
Summary: Pull Request resolved: #39487 changelog: [internal] renderTemplateToSurface isn't used, let's remove it. Reviewed By: javache Differential Revision: D49313868 fbshipit-source-id: 9019d5b4adbd23632f27dd61bc18a97b447575d4
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
@@ -1237,8 +1237,7 @@ private void attachRootViewToInstance(final ReactRoot reactRoot) {
               reactRoot.getRootViewGroup(),
               initialProperties == null
                   ? new WritableNativeMap()
-                  : Arguments.fromBundle(initialProperties),
-              reactRoot.getInitialUITemplate());
+                  : Arguments.fromBundle(initialProperties));
       reactRoot.setRootViewTag(rootTag);
       reactRoot.runApplication();
     }
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java
@@ -94,7 +94,6 @@ public interface ReactRootViewEventListener {
   private @Nullable ReactInstanceManager mReactInstanceManager;
   private @Nullable String mJSModuleName;
   private @Nullable Bundle mAppProperties;
-  private @Nullable String mInitialUITemplate;
   private @Nullable CustomGlobalLayoutListener mCustomGlobalLayoutListener;
   private @Nullable ReactRootViewEventListener mRootViewEventListener;
   private int mRootViewTag =
@@ -452,14 +451,6 @@ public void startReactApplication(ReactInstanceManager reactInstanceManager, Str
     startReactApplication(reactInstanceManager, moduleName, null);
   }
 
-  /** {@see #startReactApplication(ReactInstanceManager, String, android.os.Bundle, String)} */
-  public void startReactApplication(
-      ReactInstanceManager reactInstanceManager,
-      String moduleName,
-      @Nullable Bundle initialProperties) {
-    startReactApplication(reactInstanceManager, moduleName, initialProperties, null);
-  }
-
   /**
    * Schedule rendering of the react component rendered by the JS application from the given JS
    * module (@{param moduleName}) using provided {@param reactInstanceManager} to attach to the JS
@@ -470,8 +461,7 @@ public void startReactApplication(
   public void startReactApplication(
       ReactInstanceManager reactInstanceManager,
       String moduleName,
-      @Nullable Bundle initialProperties,
-      @Nullable String initialUITemplate) {
+      @Nullable Bundle initialProperties) {
     Systrace.beginSection(TRACE_TAG_REACT_JAVA_BRIDGE, "startReactApplication");
     try {
       UiThreadUtil.assertOnUiThread();
@@ -486,7 +476,6 @@ public void startReactApplication(
       mReactInstanceManager = reactInstanceManager;
       mJSModuleName = moduleName;
       mAppProperties = initialProperties;
-      mInitialUITemplate = initialUITemplate;
 
       mReactInstanceManager.createReactContextInBackground();
       // if in this experiment, we initialize the root earlier in startReactApplication
@@ -651,11 +640,6 @@ public String getJSModuleName() {
     return mAppProperties;
   }
 
-  @Override
-  public @Nullable String getInitialUITemplate() {
-    return mInitialUITemplate;
-  }
-
   @ThreadConfined(UI)
   public void setAppProperties(@Nullable Bundle appProperties) {
     UiThreadUtil.assertOnUiThread();
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/bridge/UIManager.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/bridge/UIManager.java
@@ -21,8 +21,7 @@ public interface UIManager extends JSIModule, PerformanceCounter {
   @UiThread
   @ThreadConfined(UI)
   @Deprecated
-  <T extends View> int addRootView(
-      final T rootView, WritableMap initialProps, @Nullable String initialUITemplate);
+  <T extends View> int addRootView(final T rootView, WritableMap initialProps);
 
   /** Registers a new root view with width and height. */
   @AnyThread
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/Binding.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/Binding.java
@@ -33,8 +33,6 @@ public void startSurfaceWithConstraints(
       boolean isRTL,
       boolean doLeftAndRightSwapInRTL);
 
-  public void renderTemplateToSurface(int surfaceId, String uiTemplate);
-
   public void stopSurface(int surfaceId);
 
   public void setPixelDensity(float pointScaleFactor);
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/BindingImpl.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/BindingImpl.java
@@ -63,9 +63,6 @@ public native void startSurfaceWithConstraints(
       boolean isRTL,
       boolean doLeftAndRightSwapInRTL);
 
-  @Override
-  public native void renderTemplateToSurface(int surfaceId, String uiTemplate);
-
   @Override
   public native void stopSurface(int surfaceId);
 
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/FabricUIManager.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/FabricUIManager.java
@@ -237,8 +237,7 @@ public FabricUIManager(
   @UiThread
   @ThreadConfined(UI)
   @Deprecated
-  public <T extends View> int addRootView(
-      final T rootView, final WritableMap initialProps, final @Nullable String initialUITemplate) {
+  public <T extends View> int addRootView(final T rootView, final WritableMap initialProps) {
     ReactSoftExceptionLogger.logSoftException(
         TAG,
         new IllegalViewOperationException(
@@ -256,9 +255,6 @@ public <T extends View> int addRootView(
       FLog.d(TAG, "Starting surface for module: %s and reactTag: %d", moduleName, rootTag);
     }
     mBinding.startSurface(rootTag, moduleName, (NativeMap) initialProps);
-    if (initialUITemplate != null) {
-      mBinding.renderTemplateToSurface(rootTag, initialUITemplate);
-    }
     return rootTag;
   }
 
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/ReactRoot.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/ReactRoot.java
@@ -25,9 +25,6 @@ public interface ReactRoot {
   @Nullable
   Bundle getAppProperties();
 
-  @Nullable
-  String getInitialUITemplate();
-
   String getJSModuleName();
 
   /** Fabric or Default UI Manager, see {@link UIManagerType} */
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIManagerModule.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIManagerModule.java
@@ -313,7 +313,7 @@ public Map<String, Long> getPerformanceCounters() {
   }
 
   public <T extends View> int addRootView(final T rootView) {
-    return addRootView(rootView, null, null);
+    return addRootView(rootView, null);
   }
 
   /**
@@ -341,8 +341,7 @@ public void synchronouslyUpdateViewOnUIThread(int tag, ReadableMap props) {
    * <p>TODO(6242243): Make addRootView thread safe NB: this method is horribly not-thread-safe.
    */
   @Override
-  public <T extends View> int addRootView(
-      final T rootView, WritableMap initialProps, @Nullable String initialUITemplate) {
+  public <T extends View> int addRootView(final T rootView, WritableMap initialProps) {
     Systrace.beginSection(Systrace.TRACE_TAG_REACT_JAVA_BRIDGE, "UIManagerModule.addRootView");
     final int tag = ReactRootViewTagGenerator.getNextRootViewTag();
     final ReactApplicationContext reactApplicationContext = getReactApplicationContext();
diff --git a/packages/react-native/ReactAndroid/src/main/jni/CMakeLists.txt b/packages/react-native/ReactAndroid/src/main/jni/CMakeLists.txt
@@ -77,7 +77,6 @@ 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/templateprocessor)
 add_react_common_subdir(react/renderer/uimanager)
 add_react_common_subdir(react/renderer/core)
 add_react_common_subdir(react/renderer/element)
@@ -164,7 +163,6 @@ add_executable(reactnative_unittest
   ${REACT_COMMON_DIR}/react/renderer/runtimescheduler/tests/RuntimeSchedulerTest.cpp
   ${REACT_COMMON_DIR}/react/renderer/runtimescheduler/tests/SchedulerPriorityTest.cpp
   ${REACT_COMMON_DIR}/react/renderer/telemetry/tests/TransactionTelemetryTest.cpp
-  ${REACT_COMMON_DIR}/react/renderer/templateprocessor/tests/UITemplateProcessorTest.cpp
   ${REACT_COMMON_DIR}/react/renderer/textlayoutmanager/tests/TextLayoutManagerTest.cpp
   ${REACT_COMMON_DIR}/react/renderer/uimanager/tests/FabricUIManagerTest.cpp
 
@@ -209,7 +207,6 @@ add_executable(reactnative_unittest
   react_render_graphics
   react_render_mapbuffer
   react_render_mounting
-  react_render_templateprocessor
   react_render_textlayoutmanager
   react_render_uimanager
   react_utils
diff --git a/packages/react-native/ReactAndroid/src/main/jni/react/fabric/Binding.cpp b/packages/react-native/ReactAndroid/src/main/jni/react/fabric/Binding.cpp
@@ -219,21 +219,6 @@ void Binding::startSurfaceWithConstraints(
   mountingManager->onSurfaceStart(surfaceId);
 }
 
-void Binding::renderTemplateToSurface(jint surfaceId, jstring uiTemplate) {
-  SystraceSection s("FabricUIManagerBinding::renderTemplateToSurface");
-
-  auto scheduler = getScheduler();
-  if (!scheduler) {
-    LOG(ERROR) << "Binding::renderTemplateToSurface: scheduler disappeared";
-    return;
-  }
-
-  auto env = jni::Environment::current();
-  const char* nativeString = env->GetStringUTFChars(uiTemplate, JNI_FALSE);
-  scheduler->renderTemplateToSurface(surfaceId, nativeString);
-  env->ReleaseStringUTFChars(uiTemplate, nativeString);
-}
-
 void Binding::stopSurface(jint surfaceId) {
   SystraceSection s("FabricUIManagerBinding::stopSurface");
 
@@ -581,8 +566,6 @@ void Binding::registerNatives() {
           "getInspectorDataForInstance", Binding::getInspectorDataForInstance),
       makeNativeMethod(
           "startSurfaceWithConstraints", Binding::startSurfaceWithConstraints),
-      makeNativeMethod(
-          "renderTemplateToSurface", Binding::renderTemplateToSurface),
       makeNativeMethod("stopSurface", Binding::stopSurface),
       makeNativeMethod("setConstraints", Binding::setConstraints),
       makeNativeMethod("setPixelDensity", Binding::setPixelDensity),
diff --git a/packages/react-native/ReactAndroid/src/main/jni/react/fabric/Binding.h b/packages/react-native/ReactAndroid/src/main/jni/react/fabric/Binding.h
@@ -88,8 +88,6 @@ class Binding : public jni::HybridClass<Binding>,
       jboolean isRTL,
       jboolean doLeftAndRightSwapInRTL);
 
-  void renderTemplateToSurface(jint surfaceId, jstring uiTemplate);
-
   void stopSurface(jint surfaceId);
 
   void registerSurface(SurfaceHandlerBinding* surfaceHandler);
diff --git a/packages/react-native/ReactAndroid/src/main/jni/react/fabric/CMakeLists.txt b/packages/react-native/ReactAndroid/src/main/jni/react/fabric/CMakeLists.txt
@@ -38,7 +38,6 @@ target_link_libraries(
         react_render_runtimescheduler
         react_render_scheduler
         react_render_telemetry
-        react_render_templateprocessor
         react_render_textlayoutmanager
         react_render_uimanager
         react_utils
diff --git a/packages/react-native/ReactCommon/react/renderer/componentregistry/ComponentDescriptorRegistry.cpp b/packages/react-native/ReactCommon/react/renderer/componentregistry/ComponentDescriptorRegistry.cpp
@@ -121,33 +121,6 @@ bool ComponentDescriptorRegistry::hasComponentDescriptorAt(
   return iterator != _registryByHandle.end();
 }
 
-ShadowNode::Shared ComponentDescriptorRegistry::createNode(
-    Tag tag,
-    const std::string& viewName,
-    SurfaceId surfaceId,
-    const folly::dynamic& propsDynamic,
-    const InstanceHandle::Shared& instanceHandle) const {
-  auto unifiedComponentName = componentNameByReactViewName(viewName);
-  const auto& componentDescriptor = this->at(unifiedComponentName);
-
-  const auto fragment =
-      ShadowNodeFamilyFragment{tag, surfaceId, instanceHandle};
-  auto family = componentDescriptor.createFamily(fragment);
-  const auto props = componentDescriptor.cloneProps(
-      PropsParserContext{surfaceId, *contextContainer_.get()},
-      nullptr,
-      RawProps(propsDynamic));
-  const auto state = componentDescriptor.createInitialState(props, family);
-
-  return componentDescriptor.createShadowNode(
-      {
-          /* .props = */ props,
-          /* .children = */ ShadowNodeFragment::childrenPlaceholder(),
-          /* .state = */ state,
-      },
-      family);
-}
-
 void ComponentDescriptorRegistry::setFallbackComponentDescriptor(
     const SharedComponentDescriptor& descriptor) {
   _fallbackComponentDescriptor = descriptor;
diff --git a/packages/react-native/ReactCommon/react/renderer/componentregistry/ComponentDescriptorRegistry.h b/packages/react-native/ReactCommon/react/renderer/componentregistry/ComponentDescriptorRegistry.h
@@ -54,13 +54,6 @@ class ComponentDescriptorRegistry {
 
   bool hasComponentDescriptorAt(ComponentHandle componentHandle) const;
 
-  ShadowNode::Shared createNode(
-      Tag tag,
-      const std::string& viewName,
-      SurfaceId surfaceId,
-      const folly::dynamic& props,
-      const InstanceHandle::Shared& instanceHandle) const;
-
   void setFallbackComponentDescriptor(
       const SharedComponentDescriptor& descriptor);
   ComponentDescriptor::Shared getFallbackComponentDescriptor() const;
diff --git a/packages/react-native/ReactCommon/react/renderer/scheduler/CMakeLists.txt b/packages/react-native/ReactCommon/react/renderer/scheduler/CMakeLists.txt
@@ -32,7 +32,6 @@ target_link_libraries(react_render_scheduler
         react_render_graphics
         react_render_mounting
         react_render_runtimescheduler
-        react_render_templateprocessor
         react_render_uimanager
         react_utils
         rrc_root
diff --git a/packages/react-native/ReactCommon/react/renderer/scheduler/Scheduler.cpp b/packages/react-native/ReactCommon/react/renderer/scheduler/Scheduler.cpp
@@ -18,7 +18,6 @@
 #include <react/renderer/mounting/MountingOverrideDelegate.h>
 #include <react/renderer/mounting/ShadowViewMutation.h>
 #include <react/renderer/runtimescheduler/RuntimeScheduler.h>
-#include <react/renderer/templateprocessor/UITemplateProcessor.h>
 #include <react/renderer/uimanager/UIManager.h>
 #include <react/renderer/uimanager/UIManagerBinding.h>
 
@@ -256,44 +255,6 @@ void Scheduler::unregisterSurface(
   surfaceHandler.setUIManager(nullptr);
 }
 
-void Scheduler::renderTemplateToSurface(
-    SurfaceId surfaceId,
-    const std::string& uiTemplate) {
-  SystraceSection s("Scheduler::renderTemplateToSurface");
-  try {
-    if (uiTemplate.empty()) {
-      return;
-    }
-    NativeModuleRegistry nMR;
-    auto tree = UITemplateProcessor::buildShadowTree(
-        uiTemplate,
-        surfaceId,
-        folly::dynamic::object(),
-        *componentDescriptorRegistry_,
-        nMR,
-        reactNativeConfig_);
-
-    uiManager_->getShadowTreeRegistry().visit(
-        surfaceId, [=](const ShadowTree& shadowTree) {
-          return shadowTree.tryCommit(
-              [&](RootShadowNode const& oldRootShadowNode) {
-                return std::make_shared<RootShadowNode>(
-                    oldRootShadowNode,
-                    ShadowNodeFragment{
-                        /* .props = */ ShadowNodeFragment::propsPlaceholder(),
-                        /* .children = */
-                        std::make_shared<ShadowNode::ListOfShared>(
-                            ShadowNode::ListOfShared{tree}),
-                    });
-              },
-              {/* default commit options */});
-        });
-  } catch (const std::exception& e) {
-    LOG(ERROR) << "    >>>> EXCEPTION <<<  rendering uiTemplate in "
-               << "Scheduler::renderTemplateToSurface: " << e.what();
-  }
-}
-
 const ComponentDescriptor*
 Scheduler::findComponentDescriptorByHandle_DO_NOT_USE_THIS_IS_BROKEN(
     ComponentHandle handle) const {
diff --git a/packages/react-native/ReactCommon/react/renderer/scheduler/Scheduler.h b/packages/react-native/ReactCommon/react/renderer/scheduler/Scheduler.h
@@ -54,10 +54,6 @@ class Scheduler final : public UIManagerDelegate {
   InspectorData getInspectorDataForInstance(
       const EventEmitter& eventEmitter) const noexcept;
 
-  void renderTemplateToSurface(
-      SurfaceId surfaceId,
-      const std::string& uiTemplate);
-
   /*
    * This is broken. Please do not use.
    * `ComponentDescriptor`s are not designed to be used outside of `UIManager`,
diff --git a/packages/react-native/ReactCommon/react/renderer/templateprocessor/CMakeLists.txt b/packages/react-native/ReactCommon/react/renderer/templateprocessor/CMakeLists.txt
diff --git a/packages/react-native/ReactCommon/react/renderer/templateprocessor/UITemplateProcessor.cpp b/packages/react-native/ReactCommon/react/renderer/templateprocessor/UITemplateProcessor.cpp
diff --git a/packages/react-native/ReactCommon/react/renderer/templateprocessor/UITemplateProcessor.h b/packages/react-native/ReactCommon/react/renderer/templateprocessor/UITemplateProcessor.h
diff --git a/packages/react-native/ReactCommon/react/renderer/templateprocessor/tests/UITemplateProcessorTest.cpp b/packages/react-native/ReactCommon/react/renderer/templateprocessor/tests/UITemplateProcessorTest.cpp
