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Implement Local Data in Android Fabric C++

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Summary: This diff introduces the concept of Local Data in Android Fabric C++ and as an example we uses it to implement Text View.

Reviewed By: shergin

Differential Revision: D9583970

fbshipit-source-id: ab7478b16ef4327ff574ca1467870ab9cb684ea0
This commit is contained in:
David Vacca
2018-09-17 18:46:08 -07:00
committed by Facebook Github Bot
parent 5c0da011cb
commit 9ad193c35b
7 changed files with 58 additions and 5 deletions
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7
ReactAndroid/src/main/java/com/facebook/react/uimanager/ViewManager.java
View File

@@ -205,6 +205,13 @@ public abstract class ViewManager<T extends View, C extends ReactShadowNode>
return ViewManagerPropertyUpdater.getNativeProps(getClass(), getShadowNodeClass());
}
/**
*
*/
public @Nullable Object updateLocalData(T view, ReactStylesDiffMap props, ReactStylesDiffMap localData) {
return null;
}
public float[] measure(
ReactContext context,
T view,

33
ReactAndroid/src/main/java/com/facebook/react/views/text/ReactTextViewManager.java
View File

@@ -7,12 +7,16 @@
package com.facebook.react.views.text;
import android.text.Layout;
import android.text.Spannable;
import com.facebook.react.common.MapBuilder;
import com.facebook.react.bridge.ReactContext;
import com.facebook.react.bridge.ReadableArray;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.bridge.ReadableNativeMap;
import com.facebook.react.common.annotations.VisibleForTesting;
import com.facebook.react.module.annotations.ReactModule;
import com.facebook.react.uimanager.ReactStylesDiffMap;
import com.facebook.react.uimanager.ThemedReactContext;
import java.util.Map;
import javax.annotation.Nullable;
@@ -65,6 +69,35 @@ public class ReactTextViewManager
view.updateView();
}
@Override
public Object updateLocalData(ReactTextView view, ReactStylesDiffMap props, ReactStylesDiffMap localData) {
ReadableMap attributedString = localData.getMap("attributedString");
ReadableArray fragments = attributedString.getArray("fragments");
String string = attributedString.getString("string");
Spannable spanned = TextLayoutManager.spannedFromTextFragments(view.getContext(),
fragments, string);
view.setSpanned(spanned);
TextAttributeProps textViewProps = new TextAttributeProps(props);
// TODO add textBreakStrategy prop into local Data
int textBreakStrategy = Layout.BREAK_STRATEGY_HIGH_QUALITY;
return
new ReactTextUpdate(
spanned,
-1, // TODO add this into local Data?
false, // TODO add this into local Data
textViewProps.getStartPadding(),
textViewProps.getTopPadding(),
textViewProps.getEndPadding(),
textViewProps.getBottomPadding(),
textViewProps.getTextAlign(),
textBreakStrategy
);
}
@Override
public @Nullable Map getExportedCustomDirectEventTypeConstants() {
return MapBuilder.of("topTextLayout", MapBuilder.of("registrationName", "onTextLayout"));

8
ReactAndroid/src/main/java/com/facebook/react/views/text/TextAttributeProps.java
View File

@@ -241,10 +241,10 @@ public class TextAttributeProps {
public void setBackgroundColor(Integer color) {
//TODO: Don't apply background color to anchor TextView since it will be applied on the View directly
//if (!isVirtualAnchor()) {
mIsBackgroundColorSet = (color != null);
if (mIsBackgroundColorSet) {
mBackgroundColor = color;
}
mIsBackgroundColorSet = (color != null);
if (mIsBackgroundColorSet) {
mBackgroundColor = color;
}
//}
}