Adding simple View rendering support using FabricUIManager.

Reviewed By: achen1

Differential Revision: D7102725

fbshipit-source-id: d2878d036843ba01201c4df617680269b5f59039
This commit is contained in:
David Vacca 2018-03-01 10:24:16 -08:00 committed by Facebook Github Bot
parent b5b0ee853e
commit c0c388c8aa
1 changed files with 84 additions and 10 deletions

View File

@ -3,15 +3,19 @@
package com.facebook.react.fabric;
import com.facebook.infer.annotation.Assertions;
import com.facebook.react.bridge.JavaOnlyArray;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.bridge.ReadableNativeMap;
import com.facebook.react.bridge.UIManager;
import com.facebook.react.modules.i18nmanager.I18nUtil;
import com.facebook.react.uimanager.NativeViewHierarchyManager;
import com.facebook.react.uimanager.ReactRootViewTagGenerator;
import com.facebook.react.uimanager.ReactShadowNode;
import com.facebook.react.uimanager.ReactShadowNodeImpl;
import com.facebook.react.uimanager.ReactStylesDiffMap;
import com.facebook.react.uimanager.ThemedReactContext;
import com.facebook.react.uimanager.UIViewOperationQueue;
import com.facebook.react.uimanager.ViewManager;
import com.facebook.react.uimanager.ViewManagerRegistry;
import com.facebook.react.uimanager.common.MeasureSpecProvider;
@ -19,6 +23,7 @@ import com.facebook.react.uimanager.common.SizeMonitoringFrameLayout;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.Nullable;
/**
* This class is responsible to create, clone and update {@link ReactShadowNode} using the
* Fabric API.
@ -26,14 +31,17 @@ import javax.annotation.Nullable;
@SuppressWarnings("unused") // used from JNI
public class FabricUIManagerModule implements UIManager {
private static final String TAG = FabricUIManagerModule.class.toString();
private final RootShadowNodeRegistry mRootShadowNodeRegistry = new RootShadowNodeRegistry();
private final ReactApplicationContext mReactApplicationContext;
private final ViewManagerRegistry mViewManagerRegistry;
private final UIViewOperationQueue mUIViewOperationQueue;
public FabricUIManagerModule(ReactApplicationContext reactContext,
ViewManagerRegistry viewManagerRegistry) {
mReactApplicationContext = reactContext;
mViewManagerRegistry = viewManagerRegistry;
mUIViewOperationQueue = new UIViewOperationQueue(reactContext, new NativeViewHierarchyManager(viewManagerRegistry), 0);
}
/**
@ -47,10 +55,15 @@ public class FabricUIManagerModule implements UIManager {
ViewManager viewManager = mViewManagerRegistry.get(viewName);
ReactShadowNode node = viewManager.createShadowNodeInstance(mReactApplicationContext);
node.setRootNode(getRootNode(rootTag));
ReactShadowNode rootNode = getRootNode(rootTag);
node.setRootNode(rootNode);
node.setReactTag(reactTag);
node.setThemedContext(rootNode.getThemedContext());
ReactStylesDiffMap styles = updateProps(node, props);
mUIViewOperationQueue
.enqueueCreateView(rootNode.getThemedContext(), reactTag, viewName, styles);
return node;
}
@ -135,6 +148,7 @@ public class FabricUIManagerModule implements UIManager {
@Nullable
public void appendChild(ReactShadowNode parent, ReactShadowNode child) {
parent.addChildAt(child, parent.getChildCount());
setChildren(parent.getReactTag(), child.getReactTag());
}
/**
@ -153,8 +167,60 @@ public class FabricUIManagerModule implements UIManager {
}
public void completeRoot(int rootTag, List<ReactShadowNode> childList) {
// TODO Diffing old Tree with new Tree
// Do we need to hold references to old and new tree?
if (!childList.isEmpty()) {
ReactShadowNode rootNode = getRootNode(rootTag);
for (int i = 0; i < childList.size(); i++) {
ReactShadowNode child = childList.get(i);
rootNode.addChildAt(child, i);
setChildren(rootTag, child.getReactTag());
}
calculateRootLayout(rootNode);
applyUpdatesRecursive(rootNode, 0, 0);
mUIViewOperationQueue.dispatchViewUpdates(1, System.currentTimeMillis(), System.currentTimeMillis());
}
}
private void setChildren(int parent, int child) {
JavaOnlyArray childrenTags = new JavaOnlyArray();
childrenTags.pushInt(child);
mUIViewOperationQueue.enqueueSetChildren(
parent,
childrenTags
);
}
private void calculateRootLayout(ReactShadowNode cssRoot) {
cssRoot.calculateLayout();
}
private void applyUpdatesRecursive(
ReactShadowNode cssNode,
float absoluteX,
float absoluteY) {
if (!cssNode.hasUpdates()) {
return;
}
if (!cssNode.isVirtualAnchor()) {
for (int i = 0; i < cssNode.getChildCount(); i++) {
applyUpdatesRecursive(
cssNode.getChildAt(i),
absoluteX + cssNode.getLayoutX(),
absoluteY + cssNode.getLayoutY());
}
}
int tag = cssNode.getReactTag();
if (mRootShadowNodeRegistry.getNode(tag) == null) {
boolean frameDidChange = cssNode.dispatchUpdates(
absoluteX,
absoluteY,
mUIViewOperationQueue,
null);
}
cssNode.markUpdateSeen();
}
@Override
@ -165,7 +231,15 @@ public class FabricUIManagerModule implements UIManager {
mReactApplicationContext,
rootView.getContext());
mRootShadowNodeRegistry.addNode(createRootShadowNode(rootTag, themedRootContext));
ReactShadowNode rootShadowNode = createRootShadowNode(rootTag, themedRootContext);
int widthMeasureSpec = rootView.getWidthMeasureSpec();
int heightMeasureSpec = rootView.getHeightMeasureSpec();
rootShadowNode.setStyleWidthAuto();
rootShadowNode.setStyleHeightAuto();
mRootShadowNodeRegistry.addNode(rootShadowNode);
mUIViewOperationQueue.addRootView(rootTag, rootView, themedRootContext);
return rootTag;
}