/** Invoked by React to create a new node with a given tag has its properties changed. */
public void updateView(int tag, String className, ReadableMap props) {
ViewManager viewManager = mViewManagers.get(className);
if (viewManager == null) {
throw new IllegalViewOperationException("Got unknown view type: " + className);
}
ReactShadowNode cssNode = mShadowNodeRegistry.getNode(tag);
if (cssNode == null) {
throw new IllegalViewOperationException("Trying to update non-existent view with tag " + tag);
}
if (props != null) {
CatalystStylesDiffMap styles = new CatalystStylesDiffMap(props);
cssNode.updateProperties(styles);
if (!cssNode.isVirtual()) {
mNativeViewHierarchyOptimizer.handleUpdateView(cssNode, className, styles);
}
}
}
private void assertNodeDoesNotNeedCustomLayoutForChildren(ReactShadowNode node) {
ViewManager viewManager = Assertions.assertNotNull(mViewManagers.get(node.getViewClass()));
ViewGroupManager viewGroupManager;
if (viewManager instanceof ViewGroupManager) {
viewGroupManager = (ViewGroupManager) viewManager;
} else {
throw new IllegalViewOperationException(
"Trying to use view "
+ node.getViewClass()
+ " as a parent, but its Manager doesn't extends ViewGroupManager");
}
if (viewGroupManager != null && viewGroupManager.needsCustomLayoutForChildren()) {
throw new IllegalViewOperationException(
"Trying to measure a view using measureLayout/measureLayoutRelativeToParent relative to"
+ " an ancestor that requires custom layout for it's children ("
+ node.getViewClass()
+ "). Use measure instead.");
}
}
public void createView(
int rootViewTagForContext,
int tag,
String className,
@Nullable CatalystStylesDiffMap initialProps) {
UiThreadUtil.assertOnUiThread();
ViewManager viewManager = mViewManagers.get(className);
View view =
viewManager.createView(mRootViewsContext.get(rootViewTagForContext), mJSResponderHandler);
mTagsToViews.put(tag, view);
mTagsToViewManagers.put(tag, viewManager);
// Use android View id field to store React tag. This is possible since we don't inflate
// React views from layout xmls. Thus it is easier to just reuse that field instead of
// creating another (potentially much more expensive) mapping from view to React tag
view.setId(tag);
if (initialProps != null) {
viewManager.updateProperties(view, initialProps);
}
}
/** Invoked by React to create a new node with a given tag, class name and properties. */
public void createView(int tag, String className, int rootViewTag, ReadableMap props) {
ViewManager viewManager = mViewManagers.get(className);
ReactShadowNode cssNode = viewManager.createShadowNodeInstance();
ReactShadowNode rootNode = mShadowNodeRegistry.getNode(rootViewTag);
cssNode.setReactTag(tag);
cssNode.setViewClassName(className);
cssNode.setRootNode(rootNode);
cssNode.setThemedContext(rootNode.getThemedContext());
mShadowNodeRegistry.addNode(cssNode);
CatalystStylesDiffMap styles = null;
if (props != null) {
styles = new CatalystStylesDiffMap(props);
cssNode.updateProperties(styles);
}
if (!cssNode.isVirtual()) {
mNativeViewHierarchyOptimizer.handleCreateView(cssNode, rootViewTag, styles);
}
}
