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Expose dirtied func in Javascript bindings (#842)

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Summary:
Yoga currently has the concept of a 'dirtied func', which is called when a Node becomes dirty, which can be useful to trigger a repaint. This PR exposes that functionality in the Javascript bindings.
Pull Request resolved: https://github.com/facebook/yoga/pull/842

Reviewed By: SidharthGuglani

Differential Revision: D13847093

Pulled By: davidaurelio

fbshipit-source-id: 41913abd6eedc46ee7d66929140e08a084f23972
This commit is contained in:
Reinier Hartog
2019-01-31 09:06:57 -08:00
committed by Facebook Github Bot
parent 4a6b1e19b8
commit 8691cdaed6
4 changed files with 208 additions and 1 deletions
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27
javascript/sources/Node.cc
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@@ -23,6 +23,13 @@ static YGSize globalMeasureFunc(YGNodeRef nodeRef, float width, YGMeasureMode wi
return ygSize;
}
static void globalDirtiedFunc(YGNodeRef nodeRef)
{
Node const & node = *reinterpret_cast<Node const *>(YGNodeGetContext(nodeRef));
node.callDirtiedFunc();
}
/* static */ Node * Node::createDefault(void)
{
return new Node(nullptr);
@@ -46,6 +53,7 @@ static YGSize globalMeasureFunc(YGNodeRef nodeRef, float width, YGMeasureMode wi
Node::Node(Config * config)
: m_node(config != nullptr ? YGNodeNewWithConfig(config->m_config) : YGNodeNew())
, m_measureFunc(nullptr)
, m_dirtiedFunc(nullptr)
{
YGNodeSetContext(m_node, reinterpret_cast<void *>(this));
}
@@ -58,6 +66,7 @@ Node::~Node(void)
void Node::reset(void)
{
m_measureFunc.reset(nullptr);
m_dirtiedFunc.reset(nullptr);
YGNodeReset(m_node);
}
@@ -429,6 +438,24 @@ Size Node::callMeasureFunc(double width, int widthMode, double height, int heigh
return m_measureFunc->call<Size>(width, widthMode, height, heightMode);
}
void Node::setDirtiedFunc(nbind::cbFunction & dirtiedFunc)
{
m_dirtiedFunc.reset(new nbind::cbFunction(dirtiedFunc));
YGNodeSetDirtiedFunc(m_node, &globalDirtiedFunc);
}
void Node::unsetDirtiedFunc(void) {
m_dirtiedFunc.reset(nullptr);
YGNodeSetDirtiedFunc(m_node, nullptr);
}
void Node::callDirtiedFunc(void) const
{
m_dirtiedFunc->call<void>();
}
void Node::markDirty(void)
{
YGNodeMarkDirty(m_node);