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RenderObject.flushLayout should loop until _nodesNeedingLayout is empty

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Hans Muller 2015-08-24 12:41:27 -07:00
parent 9a493c15e9
commit a61f0f5021
1 changed files with 9 additions and 6 deletions
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15
packages/flutter/lib/rendering/object.dart
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@ -407,12 +407,15 @@ abstract class RenderObject extends AbstractNode implements HitTestTarget {
sky.tracing.begin('RenderObject.flushLayout');
_debugDoingLayout = true;
try {
List<RenderObject> dirtyNodes = _nodesNeedingLayout;
_nodesNeedingLayout = new List<RenderObject>();
dirtyNodes..sort((a, b) => a.depth - b.depth)..forEach((node) {
if (node._needsLayout && node.attached)
node.layoutWithoutResize();
});
// TODO(ianh): assert that we're not allowing previously dirty nodes to redirty themeselves
while(_nodesNeedingLayout.isNotEmpty) {
List<RenderObject> dirtyNodes = _nodesNeedingLayout;
_nodesNeedingLayout = new List<RenderObject>();
dirtyNodes..sort((a, b) => a.depth - b.depth)..forEach((node) {
if (node._needsLayout && node.attached)
node.layoutWithoutResize();
});
}
} finally {
_debugDoingLayout = false;
sky.tracing.end('RenderObject.flushLayout');