mirror of
https://github.com/status-im/react-native.git
synced 2025-02-23 06:38:13 +00:00
Enforced thread safety on UIImplementation methods that mutate the shadowNodeRegistry
This commit is contained in:
Mike Grabowski
parent
54af5b151e
commit
f5a31801a0
@ -43,6 +43,7 @@ import javax.annotation.Nullable;
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* shadow node hierarchy that is then mapped to a native view hierarchy.
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*/
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public class UIImplementation {
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protected Object uiImplementationThreadLock = new Object();
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protected final EventDispatcher mEventDispatcher;
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protected final ReactApplicationContext mReactContext;
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@ -197,23 +198,25 @@ public class UIImplementation {
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*/
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public <T extends SizeMonitoringFrameLayout & MeasureSpecProvider> void registerRootView(
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T rootView, int tag, ThemedReactContext context) {
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final ReactShadowNode rootCSSNode = createRootShadowNode();
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rootCSSNode.setReactTag(tag);
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rootCSSNode.setThemedContext(context);
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synchronized (uiImplementationThreadLock) {
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final ReactShadowNode rootCSSNode = createRootShadowNode();
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rootCSSNode.setReactTag(tag);
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rootCSSNode.setThemedContext(context);
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int widthMeasureSpec = rootView.getWidthMeasureSpec();
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int heightMeasureSpec = rootView.getHeightMeasureSpec();
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updateRootView(rootCSSNode, widthMeasureSpec, heightMeasureSpec);
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int widthMeasureSpec = rootView.getWidthMeasureSpec();
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int heightMeasureSpec = rootView.getHeightMeasureSpec();
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updateRootView(rootCSSNode, widthMeasureSpec, heightMeasureSpec);
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context.runOnNativeModulesQueueThread(new Runnable() {
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@Override
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public void run() {
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mShadowNodeRegistry.addRootNode(rootCSSNode);
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}
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});
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context.runOnNativeModulesQueueThread(new Runnable() {
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@Override
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public void run() {
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mShadowNodeRegistry.addRootNode(rootCSSNode);
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}
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});
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// register it within NativeViewHierarchyManager
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mOperationsQueue.addRootView(tag, rootView, context);
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// register it within NativeViewHierarchyManager
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mOperationsQueue.addRootView(tag, rootView, context);
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}
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}
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/**
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@ -228,7 +231,9 @@ public class UIImplementation {
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* Unregisters a root node with a given tag from the shadow node registry
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*/
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public void removeRootShadowNode(int rootViewTag) {
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mShadowNodeRegistry.removeRootNode(rootViewTag);
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synchronized (uiImplementationThreadLock) {
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mShadowNodeRegistry.removeRootNode(rootViewTag);
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}
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}
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/**
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@ -279,23 +284,25 @@ public class UIImplementation {
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* Invoked by React to create a new node with a given tag, class name and properties.
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*/
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public void createView(int tag, String className, int rootViewTag, ReadableMap props) {
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ReactShadowNode cssNode = createShadowNode(className);
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ReactShadowNode rootNode = mShadowNodeRegistry.getNode(rootViewTag);
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Assertions.assertNotNull(rootNode, "Root node with tag " + rootViewTag + " doesn't exist");
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cssNode.setReactTag(tag);
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cssNode.setViewClassName(className);
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cssNode.setRootTag(rootNode.getReactTag());
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cssNode.setThemedContext(rootNode.getThemedContext());
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synchronized (uiImplementationThreadLock) {
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ReactShadowNode cssNode = createShadowNode(className);
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ReactShadowNode rootNode = mShadowNodeRegistry.getNode(rootViewTag);
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Assertions.assertNotNull(rootNode, "Root node with tag " + rootViewTag + " doesn't exist");
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cssNode.setReactTag(tag);
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cssNode.setViewClassName(className);
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cssNode.setRootTag(rootNode.getReactTag());
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cssNode.setThemedContext(rootNode.getThemedContext());
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mShadowNodeRegistry.addNode(cssNode);
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mShadowNodeRegistry.addNode(cssNode);
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ReactStylesDiffMap styles = null;
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if (props != null) {
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styles = new ReactStylesDiffMap(props);
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cssNode.updateProperties(styles);
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ReactStylesDiffMap styles = null;
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if (props != null) {
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styles = new ReactStylesDiffMap(props);
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cssNode.updateProperties(styles);
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}
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handleCreateView(cssNode, rootViewTag, styles);
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}
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handleCreateView(cssNode, rootViewTag, styles);
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}
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protected void handleCreateView(
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@ -363,106 +370,108 @@ public class UIImplementation {
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@Nullable ReadableArray addChildTags,
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@Nullable ReadableArray addAtIndices,
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@Nullable ReadableArray removeFrom) {
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ReactShadowNode cssNodeToManage = mShadowNodeRegistry.getNode(viewTag);
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synchronized (uiImplementationThreadLock) {
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ReactShadowNode cssNodeToManage = mShadowNodeRegistry.getNode(viewTag);
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int numToMove = moveFrom == null ? 0 : moveFrom.size();
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int numToAdd = addChildTags == null ? 0 : addChildTags.size();
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int numToRemove = removeFrom == null ? 0 : removeFrom.size();
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int numToMove = moveFrom == null ? 0 : moveFrom.size();
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int numToAdd = addChildTags == null ? 0 : addChildTags.size();
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int numToRemove = removeFrom == null ? 0 : removeFrom.size();
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if (numToMove != 0 && (moveTo == null || numToMove != moveTo.size())) {
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throw new IllegalViewOperationException("Size of moveFrom != size of moveTo!");
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}
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if (numToAdd != 0 && (addAtIndices == null || numToAdd != addAtIndices.size())) {
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throw new IllegalViewOperationException("Size of addChildTags != size of addAtIndices!");
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}
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// We treat moves as an add and a delete
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ViewAtIndex[] viewsToAdd = new ViewAtIndex[numToMove + numToAdd];
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int[] indicesToRemove = new int[numToMove + numToRemove];
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int[] tagsToRemove = new int[indicesToRemove.length];
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int[] tagsToDelete = new int[numToRemove];
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if (numToMove > 0) {
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Assertions.assertNotNull(moveFrom);
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Assertions.assertNotNull(moveTo);
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for (int i = 0; i < numToMove; i++) {
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int moveFromIndex = moveFrom.getInt(i);
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int tagToMove = cssNodeToManage.getChildAt(moveFromIndex).getReactTag();
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viewsToAdd[i] = new ViewAtIndex(
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tagToMove,
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moveTo.getInt(i));
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indicesToRemove[i] = moveFromIndex;
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tagsToRemove[i] = tagToMove;
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if (numToMove != 0 && (moveTo == null || numToMove != moveTo.size())) {
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throw new IllegalViewOperationException("Size of moveFrom != size of moveTo!");
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}
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}
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if (numToAdd > 0) {
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Assertions.assertNotNull(addChildTags);
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Assertions.assertNotNull(addAtIndices);
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for (int i = 0; i < numToAdd; i++) {
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int viewTagToAdd = addChildTags.getInt(i);
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int indexToAddAt = addAtIndices.getInt(i);
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viewsToAdd[numToMove + i] = new ViewAtIndex(viewTagToAdd, indexToAddAt);
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if (numToAdd != 0 && (addAtIndices == null || numToAdd != addAtIndices.size())) {
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throw new IllegalViewOperationException("Size of addChildTags != size of addAtIndices!");
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}
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}
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if (numToRemove > 0) {
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Assertions.assertNotNull(removeFrom);
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for (int i = 0; i < numToRemove; i++) {
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int indexToRemove = removeFrom.getInt(i);
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int tagToRemove = cssNodeToManage.getChildAt(indexToRemove).getReactTag();
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indicesToRemove[numToMove + i] = indexToRemove;
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tagsToRemove[numToMove + i] = tagToRemove;
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tagsToDelete[i] = tagToRemove;
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// We treat moves as an add and a delete
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ViewAtIndex[] viewsToAdd = new ViewAtIndex[numToMove + numToAdd];
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int[] indicesToRemove = new int[numToMove + numToRemove];
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int[] tagsToRemove = new int[indicesToRemove.length];
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int[] tagsToDelete = new int[numToRemove];
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if (numToMove > 0) {
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Assertions.assertNotNull(moveFrom);
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Assertions.assertNotNull(moveTo);
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for (int i = 0; i < numToMove; i++) {
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int moveFromIndex = moveFrom.getInt(i);
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int tagToMove = cssNodeToManage.getChildAt(moveFromIndex).getReactTag();
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viewsToAdd[i] = new ViewAtIndex(
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tagToMove,
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moveTo.getInt(i));
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indicesToRemove[i] = moveFromIndex;
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tagsToRemove[i] = tagToMove;
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}
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}
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}
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// NB: moveFrom and removeFrom are both relative to the starting state of the View's children.
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// moveTo and addAt are both relative to the final state of the View's children.
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//
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// 1) Sort the views to add and indices to remove by index
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// 2) Iterate the indices being removed from high to low and remove them. Going high to low
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// makes sure we remove the correct index when there are multiple to remove.
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// 3) Iterate the views being added by index low to high and add them. Like the view removal,
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// iteration direction is important to preserve the correct index.
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Arrays.sort(viewsToAdd, ViewAtIndex.COMPARATOR);
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Arrays.sort(indicesToRemove);
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// Apply changes to CSSNodeDEPRECATED hierarchy
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int lastIndexRemoved = -1;
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for (int i = indicesToRemove.length - 1; i >= 0; i--) {
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int indexToRemove = indicesToRemove[i];
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if (indexToRemove == lastIndexRemoved) {
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throw new IllegalViewOperationException("Repeated indices in Removal list for view tag: "
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+ viewTag);
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if (numToAdd > 0) {
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Assertions.assertNotNull(addChildTags);
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Assertions.assertNotNull(addAtIndices);
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for (int i = 0; i < numToAdd; i++) {
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int viewTagToAdd = addChildTags.getInt(i);
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int indexToAddAt = addAtIndices.getInt(i);
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viewsToAdd[numToMove + i] = new ViewAtIndex(viewTagToAdd, indexToAddAt);
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}
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}
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cssNodeToManage.removeChildAt(indicesToRemove[i]);
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lastIndexRemoved = indicesToRemove[i];
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}
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for (int i = 0; i < viewsToAdd.length; i++) {
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ViewAtIndex viewAtIndex = viewsToAdd[i];
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ReactShadowNode cssNodeToAdd = mShadowNodeRegistry.getNode(viewAtIndex.mTag);
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if (cssNodeToAdd == null) {
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throw new IllegalViewOperationException("Trying to add unknown view tag: "
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+ viewAtIndex.mTag);
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if (numToRemove > 0) {
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Assertions.assertNotNull(removeFrom);
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for (int i = 0; i < numToRemove; i++) {
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int indexToRemove = removeFrom.getInt(i);
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int tagToRemove = cssNodeToManage.getChildAt(indexToRemove).getReactTag();
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indicesToRemove[numToMove + i] = indexToRemove;
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tagsToRemove[numToMove + i] = tagToRemove;
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tagsToDelete[i] = tagToRemove;
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}
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}
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cssNodeToManage.addChildAt(cssNodeToAdd, viewAtIndex.mIndex);
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}
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if (!cssNodeToManage.isVirtual() && !cssNodeToManage.isVirtualAnchor()) {
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mNativeViewHierarchyOptimizer.handleManageChildren(
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cssNodeToManage,
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indicesToRemove,
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tagsToRemove,
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viewsToAdd,
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tagsToDelete);
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}
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// NB: moveFrom and removeFrom are both relative to the starting state of the View's children.
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// moveTo and addAt are both relative to the final state of the View's children.
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//
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// 1) Sort the views to add and indices to remove by index
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// 2) Iterate the indices being removed from high to low and remove them. Going high to low
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// makes sure we remove the correct index when there are multiple to remove.
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// 3) Iterate the views being added by index low to high and add them. Like the view removal,
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// iteration direction is important to preserve the correct index.
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for (int i = 0; i < tagsToDelete.length; i++) {
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removeShadowNode(mShadowNodeRegistry.getNode(tagsToDelete[i]));
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Arrays.sort(viewsToAdd, ViewAtIndex.COMPARATOR);
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Arrays.sort(indicesToRemove);
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// Apply changes to CSSNodeDEPRECATED hierarchy
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int lastIndexRemoved = -1;
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for (int i = indicesToRemove.length - 1; i >= 0; i--) {
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int indexToRemove = indicesToRemove[i];
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if (indexToRemove == lastIndexRemoved) {
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throw new IllegalViewOperationException("Repeated indices in Removal list for view tag: "
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+ viewTag);
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}
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cssNodeToManage.removeChildAt(indicesToRemove[i]);
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lastIndexRemoved = indicesToRemove[i];
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}
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for (int i = 0; i < viewsToAdd.length; i++) {
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ViewAtIndex viewAtIndex = viewsToAdd[i];
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ReactShadowNode cssNodeToAdd = mShadowNodeRegistry.getNode(viewAtIndex.mTag);
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if (cssNodeToAdd == null) {
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throw new IllegalViewOperationException("Trying to add unknown view tag: "
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+ viewAtIndex.mTag);
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}
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cssNodeToManage.addChildAt(cssNodeToAdd, viewAtIndex.mIndex);
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}
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if (!cssNodeToManage.isVirtual() && !cssNodeToManage.isVirtualAnchor()) {
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mNativeViewHierarchyOptimizer.handleManageChildren(
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cssNodeToManage,
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indicesToRemove,
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tagsToRemove,
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viewsToAdd,
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tagsToDelete);
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}
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for (int i = 0; i < tagsToDelete.length; i++) {
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removeShadowNode(mShadowNodeRegistry.getNode(tagsToDelete[i]));
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}
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}
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}
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@ -476,22 +485,23 @@ public class UIImplementation {
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public void setChildren(
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int viewTag,
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ReadableArray childrenTags) {
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synchronized (uiImplementationThreadLock) {
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ReactShadowNode cssNodeToManage = mShadowNodeRegistry.getNode(viewTag);
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ReactShadowNode cssNodeToManage = mShadowNodeRegistry.getNode(viewTag);
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for (int i = 0; i < childrenTags.size(); i++) {
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ReactShadowNode cssNodeToAdd = mShadowNodeRegistry.getNode(childrenTags.getInt(i));
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if (cssNodeToAdd == null) {
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throw new IllegalViewOperationException("Trying to add unknown view tag: "
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+ childrenTags.getInt(i));
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for (int i = 0; i < childrenTags.size(); i++) {
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ReactShadowNode cssNodeToAdd = mShadowNodeRegistry.getNode(childrenTags.getInt(i));
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if (cssNodeToAdd == null) {
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throw new IllegalViewOperationException("Trying to add unknown view tag: "
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+ childrenTags.getInt(i));
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}
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cssNodeToManage.addChildAt(cssNodeToAdd, i);
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}
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cssNodeToManage.addChildAt(cssNodeToAdd, i);
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}
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if (!cssNodeToManage.isVirtual() && !cssNodeToManage.isVirtualAnchor()) {
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mNativeViewHierarchyOptimizer.handleSetChildren(
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cssNodeToManage,
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childrenTags);
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if (!cssNodeToManage.isVirtual() && !cssNodeToManage.isVirtualAnchor()) {
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mNativeViewHierarchyOptimizer.handleSetChildren(
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cssNodeToManage,
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childrenTags);
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}
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}
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}
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