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Don't transfer layout outputs to java for nodes which don't have a new layout

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Summary:
As suggested in facebook/yoga#484. This is the PR which only adds the part of using a local bool field for storing the hasLayoutFlag, to be able to pass the layout only if it has really changed.
Closes https://github.com/facebook/yoga/pull/492

Reviewed By: astreet

Differential Revision: D4786961

Pulled By: emilsjolander

fbshipit-source-id: cf3d354b93f6dcc3ef817ef73a47bd29e37d1848
This commit is contained in:
Lukas Wöhrl
2017-03-29 16:39:24 -07:00
committed by Facebook Github Bot
parent 60db018ce4
commit 5884ab7b76
2 changed files with 52 additions and 56 deletions
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91
java/jni/YGJNI.cpp
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@@ -24,54 +24,59 @@ static void YGTransferLayoutDirection(YGNodeRef node, alias_ref<jobject> javaNod
}
static void YGTransferLayoutOutputsRecursive(YGNodeRef root) {
if (auto obj = YGNodeJobject(root)->lockLocal()) {
static auto widthField = obj->getClass()->getField<jfloat>("mWidth");
static auto heightField = obj->getClass()->getField<jfloat>("mHeight");
static auto leftField = obj->getClass()->getField<jfloat>("mLeft");
static auto topField = obj->getClass()->getField<jfloat>("mTop");
if(YGNodeGetHasNewLayout(root)){
if (auto obj = YGNodeJobject(root)->lockLocal()) {
static auto widthField = obj->getClass()->getField<jfloat>("mWidth");
static auto heightField = obj->getClass()->getField<jfloat>("mHeight");
static auto leftField = obj->getClass()->getField<jfloat>("mLeft");
static auto topField = obj->getClass()->getField<jfloat>("mTop");
static auto marginLeftField = obj->getClass()->getField<jfloat>("mMarginLeft");
static auto marginTopField = obj->getClass()->getField<jfloat>("mMarginTop");
static auto marginRightField = obj->getClass()->getField<jfloat>("mMarginRight");
static auto marginBottomField = obj->getClass()->getField<jfloat>("mMarginBottom");
static auto marginLeftField = obj->getClass()->getField<jfloat>("mMarginLeft");
static auto marginTopField = obj->getClass()->getField<jfloat>("mMarginTop");
static auto marginRightField = obj->getClass()->getField<jfloat>("mMarginRight");
static auto marginBottomField = obj->getClass()->getField<jfloat>("mMarginBottom");
static auto paddingLeftField = obj->getClass()->getField<jfloat>("mPaddingLeft");
static auto paddingTopField = obj->getClass()->getField<jfloat>("mPaddingTop");
static auto paddingRightField = obj->getClass()->getField<jfloat>("mPaddingRight");
static auto paddingBottomField = obj->getClass()->getField<jfloat>("mPaddingBottom");
static auto paddingLeftField = obj->getClass()->getField<jfloat>("mPaddingLeft");
static auto paddingTopField = obj->getClass()->getField<jfloat>("mPaddingTop");
static auto paddingRightField = obj->getClass()->getField<jfloat>("mPaddingRight");
static auto paddingBottomField = obj->getClass()->getField<jfloat>("mPaddingBottom");
static auto borderLeftField = obj->getClass()->getField<jfloat>("mBorderLeft");
static auto borderTopField = obj->getClass()->getField<jfloat>("mBorderTop");
static auto borderRightField = obj->getClass()->getField<jfloat>("mBorderRight");
static auto borderBottomField = obj->getClass()->getField<jfloat>("mBorderBottom");
static auto borderLeftField = obj->getClass()->getField<jfloat>("mBorderLeft");
static auto borderTopField = obj->getClass()->getField<jfloat>("mBorderTop");
static auto borderRightField = obj->getClass()->getField<jfloat>("mBorderRight");
static auto borderBottomField = obj->getClass()->getField<jfloat>("mBorderBottom");
obj->setFieldValue(widthField, YGNodeLayoutGetWidth(root));
obj->setFieldValue(heightField, YGNodeLayoutGetHeight(root));
obj->setFieldValue(leftField, YGNodeLayoutGetLeft(root));
obj->setFieldValue(topField, YGNodeLayoutGetTop(root));
static auto hasNewLayoutField = obj->getClass()->getField<jboolean>("mHasNewLayout");
obj->setFieldValue(marginLeftField, YGNodeLayoutGetMargin(root, YGEdgeLeft));
obj->setFieldValue(marginTopField, YGNodeLayoutGetMargin(root, YGEdgeTop));
obj->setFieldValue(marginRightField, YGNodeLayoutGetMargin(root, YGEdgeRight));
obj->setFieldValue(marginBottomField, YGNodeLayoutGetMargin(root, YGEdgeBottom));
obj->setFieldValue(widthField, YGNodeLayoutGetWidth(root));
obj->setFieldValue(heightField, YGNodeLayoutGetHeight(root));
obj->setFieldValue(leftField, YGNodeLayoutGetLeft(root));
obj->setFieldValue(topField, YGNodeLayoutGetTop(root));
obj->setFieldValue(paddingLeftField, YGNodeLayoutGetPadding(root, YGEdgeLeft));
obj->setFieldValue(paddingTopField, YGNodeLayoutGetPadding(root, YGEdgeTop));
obj->setFieldValue(paddingRightField, YGNodeLayoutGetPadding(root, YGEdgeRight));
obj->setFieldValue(paddingBottomField, YGNodeLayoutGetPadding(root, YGEdgeBottom));
obj->setFieldValue(marginLeftField, YGNodeLayoutGetMargin(root, YGEdgeLeft));
obj->setFieldValue(marginTopField, YGNodeLayoutGetMargin(root, YGEdgeTop));
obj->setFieldValue(marginRightField, YGNodeLayoutGetMargin(root, YGEdgeRight));
obj->setFieldValue(marginBottomField, YGNodeLayoutGetMargin(root, YGEdgeBottom));
obj->setFieldValue(borderLeftField, YGNodeLayoutGetBorder(root, YGEdgeLeft));
obj->setFieldValue(borderTopField, YGNodeLayoutGetBorder(root, YGEdgeTop));
obj->setFieldValue(borderRightField, YGNodeLayoutGetBorder(root, YGEdgeRight));
obj->setFieldValue(borderBottomField, YGNodeLayoutGetBorder(root, YGEdgeBottom));
obj->setFieldValue(paddingLeftField, YGNodeLayoutGetPadding(root, YGEdgeLeft));
obj->setFieldValue(paddingTopField, YGNodeLayoutGetPadding(root, YGEdgeTop));
obj->setFieldValue(paddingRightField, YGNodeLayoutGetPadding(root, YGEdgeRight));
obj->setFieldValue(paddingBottomField, YGNodeLayoutGetPadding(root, YGEdgeBottom));
YGTransferLayoutDirection(root, obj);
obj->setFieldValue(borderLeftField, YGNodeLayoutGetBorder(root, YGEdgeLeft));
obj->setFieldValue(borderTopField, YGNodeLayoutGetBorder(root, YGEdgeTop));
obj->setFieldValue(borderRightField, YGNodeLayoutGetBorder(root, YGEdgeRight));
obj->setFieldValue(borderBottomField, YGNodeLayoutGetBorder(root, YGEdgeBottom));
for (uint32_t i = 0; i < YGNodeGetChildCount(root); i++) {
YGTransferLayoutOutputsRecursive(YGNodeGetChild(root, i));
obj->setFieldValue<jboolean>(hasNewLayoutField, true);
YGTransferLayoutDirection(root, obj);
YGNodeSetHasNewLayout(root, false);
for (uint32_t i = 0; i < YGNodeGetChildCount(root); i++) {
YGTransferLayoutOutputsRecursive(YGNodeGetChild(root, i));
}
} else {
YGLog(YGLogLevelError, "Java YGNode was GCed during layout calculation\n");
}
} else {
YGLog(YGLogLevelError, "Java YGNode was GCed during layout calculation\n");
}
}
@@ -242,14 +247,6 @@ void jni_YGNodeSetHasBaselineFunc(alias_ref<jobject>,
hasBaselineFunc ? YGJNIBaselineFunc : NULL);
}
jboolean jni_YGNodeHasNewLayout(alias_ref<jobject>, jlong nativePointer) {
return (jboolean) YGNodeGetHasNewLayout(_jlong2YGNodeRef(nativePointer));
}
void jni_YGNodeMarkLayoutSeen(alias_ref<jobject>, jlong nativePointer) {
YGNodeSetHasNewLayout(_jlong2YGNodeRef(nativePointer), false);
}
void jni_YGNodeCopyStyle(alias_ref<jobject>, jlong dstNativePointer, jlong srcNativePointer) {
YGNodeCopyStyle(_jlong2YGNodeRef(dstNativePointer), _jlong2YGNodeRef(srcNativePointer));
}
@@ -403,10 +400,8 @@ jint JNI_OnLoad(JavaVM *vm, void *) {
YGMakeNativeMethod(jni_YGNodeInsertChild),
YGMakeNativeMethod(jni_YGNodeRemoveChild),
YGMakeNativeMethod(jni_YGNodeCalculateLayout),
YGMakeNativeMethod(jni_YGNodeHasNewLayout),
YGMakeNativeMethod(jni_YGNodeMarkDirty),
YGMakeNativeMethod(jni_YGNodeIsDirty),
YGMakeNativeMethod(jni_YGNodeMarkLayoutSeen),
YGMakeNativeMethod(jni_YGNodeSetHasMeasureFunc),
YGMakeNativeMethod(jni_YGNodeSetHasBaselineFunc),
YGMakeNativeMethod(jni_YGNodeCopyStyle),