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RCTVirtualText wasn't clickable in certain cases

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Summary:
Text in Nodes is squashed into a single DrawCommand for drawing a
Boring or StaticLayout. Touch is handled using a TextNodeRegion subclass of
NodeRegion that knows how to identify pieces of text inside of the DrawCommand
based on spans in the text. However, we only use a TextNodeRegion on the
second call for updateNodeRegion for an RCTText. If there is only one call,
the NodeRegion will just be a normal one. This patch ensures that the
NodeRegion for an RCTText is always a TextNodeRegion, allowing for null
Layouts that are set when the DrawCommand is made.

Reviewed By: astreet

Differential Revision: D3291682
This commit is contained in:
Ahmed El-Helw
2016-05-16 12:35:08 -07:00
parent 9d67989001
commit c62840c7a8
2 changed files with 36 additions and 15 deletions
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17
ReactAndroid/src/main/java/com/facebook/react/flat/RCTText.java
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@@ -179,6 +179,7 @@ import com.facebook.react.uimanager.annotations.ReactProp;
return;
}
boolean updateNodeRegion = false;
if (mDrawCommand == null) {
// Layout was not created during the measure pass, must be Boring, create it now
mDrawCommand = new DrawTextLayout(new BoringLayout(
@@ -190,6 +191,7 @@ import com.facebook.react.uimanager.annotations.ReactProp;
mSpacingAdd,
mBoringLayoutMetrics,
INCLUDE_PADDING));
updateNodeRegion = true;
}
Spacing padding = getPadding();
@@ -212,6 +214,13 @@ import com.facebook.react.uimanager.annotations.ReactProp;
clipBottom);
stateBuilder.addDrawCommand(mDrawCommand);
if (updateNodeRegion) {
NodeRegion nodeRegion = getNodeRegion();
if (nodeRegion instanceof TextNodeRegion) {
((TextNodeRegion) nodeRegion).setLayout(mDrawCommand.getLayout());
}
}
performCollectAttachDetachListeners(stateBuilder);
}
@@ -240,12 +249,16 @@ import com.facebook.react.uimanager.annotations.ReactProp;
float right,
float bottom,
boolean isVirtual) {
NodeRegion nodeRegion = getNodeRegion();
if (mDrawCommand == null) {
super.updateNodeRegion(left, top, right, bottom, isVirtual);
if (nodeRegion.mLeft != left || nodeRegion.mTop != top || nodeRegion.mRight != right ||
nodeRegion.mBottom != bottom || nodeRegion.mIsVirtual != isVirtual) {
setNodeRegion(new TextNodeRegion(left, top, right, bottom, getReactTag(), isVirtual, null));
}
return;
}
NodeRegion nodeRegion = getNodeRegion();
Layout layout = null;
if (nodeRegion instanceof TextNodeRegion) {