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Store \"dirty\" and \"dirty descendant\" flags in every node instead of only marking root node as invalid

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Summary: Right now invalidate always tell the root node that the tree is dirty, and next update will traverse the entire tree in search of changes. While this works correctly, it's not the most efficient implementation. It is more efficient to store dirty flag in every node, and skip entire subtrees if this node and all descendants are already up to date. This diff is a first step towards that optimization.

Reviewed By: ahmedre

Differential Revision: D2955197
This commit is contained in:
Denis Koroskin
2016-02-25 11:10:56 -08:00
committed by Ahmed El-Helw
parent 4c92a0b962
commit ca7a3519cf
4 changed files with 33 additions and 22 deletions
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ReactAndroid/src/main/java/com/facebook/react/flat/FlatUIImplementation.java
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@@ -418,7 +418,6 @@ public class FlatUIImplementation extends UIImplementation {
}
super.calculateRootLayout(rootNode);
rootNode.markUpdated(false);
mStateBuilder.applyUpdates(eventDispatcher, rootNode);
}