1b7ae2ed3d
Summary: Update package name of java code to refer to yoga instead of csslayout. Still need to change the name of the folder where this code resides but that requires update github sync scripts etc so it is safer and easier to split these diffs apart. Differential Revision: D4271420 fbshipit-source-id: b3cf150569a2331868410339cd19e5c694f2059e
334 lines
15 KiB
C++
334 lines
15 KiB
C++
/**
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* Copyright (c) 2014-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#include <CSSLayout/Yoga.h>
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#include <fb/fbjni.h>
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#include <iostream>
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using namespace facebook::jni;
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using namespace std;
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static inline weak_ref<jobject> *YGNodeJobject(YGNodeRef node) {
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return reinterpret_cast<weak_ref<jobject> *>(YGNodeGetContext(node));
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}
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static void YGTransferLayoutDirection(YGNodeRef node, alias_ref<jobject> javaNode) {
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static auto layoutDirectionField = javaNode->getClass()->getField<jint>("mLayoutDirection");
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javaNode->setFieldValue(layoutDirectionField, static_cast<jint>(YGNodeLayoutGetDirection(node)));
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}
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static void YGTransferLayoutOutputsRecursive(YGNodeRef root) {
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if (auto obj = YGNodeJobject(root)->lockLocal()) {
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static auto widthField = obj->getClass()->getField<jfloat>("mWidth");
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static auto heightField = obj->getClass()->getField<jfloat>("mHeight");
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static auto leftField = obj->getClass()->getField<jfloat>("mLeft");
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static auto topField = obj->getClass()->getField<jfloat>("mTop");
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obj->setFieldValue(widthField, YGNodeLayoutGetWidth(root));
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obj->setFieldValue(heightField, YGNodeLayoutGetHeight(root));
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obj->setFieldValue(leftField, YGNodeLayoutGetLeft(root));
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obj->setFieldValue(topField, YGNodeLayoutGetTop(root));
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YGTransferLayoutDirection(root, obj);
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for (uint32_t i = 0; i < YGNodeChildCount(root); i++) {
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YGTransferLayoutOutputsRecursive(YGNodeGetChild(root, i));
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}
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} else {
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YGLog(YGLogLevelError, "Java YGNode was GCed during layout calculation\n");
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}
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}
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static void YGPrint(YGNodeRef node) {
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if (auto obj = YGNodeJobject(node)->lockLocal()) {
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cout << obj->toString() << endl;
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} else {
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YGLog(YGLogLevelError, "Java YGNode was GCed during layout calculation\n");
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}
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}
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static YGSize YGJNIMeasureFunc(YGNodeRef node,
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float width,
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YGMeasureMode widthMode,
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float height,
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YGMeasureMode heightMode) {
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if (auto obj = YGNodeJobject(node)->lockLocal()) {
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static auto measureFunc = findClassLocal("com/facebook/yoga/YogaNode")
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->getMethod<jlong(jfloat, jint, jfloat, jint)>("measure");
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YGTransferLayoutDirection(node, obj);
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const auto measureResult = measureFunc(obj, width, widthMode, height, heightMode);
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static_assert(sizeof(measureResult) == 8,
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"Expected measureResult to be 8 bytes, or two 32 bit ints");
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const float measuredWidth = static_cast<float>(0xFFFFFFFF & (measureResult >> 32));
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const float measuredHeight = static_cast<float>(0xFFFFFFFF & measureResult);
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return YGSize{measuredWidth, measuredHeight};
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} else {
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YGLog(YGLogLevelError, "Java YGNode was GCed during layout calculation\n");
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return YGSize{
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widthMode == YGMeasureModeUndefined ? 0 : width,
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heightMode == YGMeasureModeUndefined ? 0 : height,
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};
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}
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}
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struct JYogaLogLevel : public JavaClass<JYogaLogLevel> {
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static constexpr auto kJavaDescriptor = "Lcom/facebook/yoga/YogaLogLevel;";
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};
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static global_ref<jobject> *jLogger;
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static int YGLog(YGLogLevel level, const char *format, va_list args) {
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char buffer[256];
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int result = vsnprintf(buffer, sizeof(buffer), format, args);
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static auto logFunc = findClassLocal("com/facebook/yoga/YogaLogger")
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->getMethod<void(local_ref<JYogaLogLevel>, jstring)>("log");
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static auto logLevelFromInt =
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JYogaLogLevel::javaClassStatic()->getStaticMethod<JYogaLogLevel::javaobject(jint)>("fromInt");
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logFunc(jLogger->get(),
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logLevelFromInt(JYogaLogLevel::javaClassStatic(), static_cast<jint>(level)),
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Environment::current()->NewStringUTF(buffer));
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return result;
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}
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static inline YGNodeRef _jlong2YGNodeRef(jlong addr) {
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return reinterpret_cast<YGNodeRef>(static_cast<intptr_t>(addr));
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}
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void jni_YGSetLogger(alias_ref<jclass> clazz, alias_ref<jobject> logger) {
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if (jLogger) {
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jLogger->releaseAlias();
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delete jLogger;
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}
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if (logger) {
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jLogger = new global_ref<jobject>(make_global(logger));
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YGSetLogger(YGLog);
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} else {
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jLogger = NULL;
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YGSetLogger(NULL);
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}
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}
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void jni_YGLog(alias_ref<jclass> clazz, jint level, jstring message) {
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const char *nMessage = Environment::current()->GetStringUTFChars(message, 0);
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YGLog(static_cast<YGLogLevel>(level), "%s", nMessage);
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Environment::current()->ReleaseStringUTFChars(message, nMessage);
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}
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void jni_YGSetExperimentalFeatureEnabled(alias_ref<jclass> clazz, jint feature, jboolean enabled) {
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YGSetExperimentalFeatureEnabled(static_cast<YGExperimentalFeature>(feature), enabled);
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}
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jboolean jni_YGIsExperimentalFeatureEnabled(alias_ref<jclass> clazz, jint feature) {
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return YGIsExperimentalFeatureEnabled(static_cast<YGExperimentalFeature>(feature));
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}
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jint jni_YGNodeGetInstanceCount(alias_ref<jclass> clazz) {
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return YGNodeGetInstanceCount();
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}
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jlong jni_YGNodeNew(alias_ref<jobject> thiz) {
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const YGNodeRef node = YGNodeNew();
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YGNodeSetContext(node, new weak_ref<jobject>(make_weak(thiz)));
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YGNodeSetPrintFunc(node, YGPrint);
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return reinterpret_cast<jlong>(node);
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}
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void jni_YGNodeFree(alias_ref<jobject> thiz, jlong nativePointer) {
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const YGNodeRef node = _jlong2YGNodeRef(nativePointer);
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delete YGNodeJobject(node);
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YGNodeFree(node);
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}
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void jni_YGNodeReset(alias_ref<jobject> thiz, jlong nativePointer) {
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const YGNodeRef node = _jlong2YGNodeRef(nativePointer);
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void *context = YGNodeGetContext(node);
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YGNodeReset(node);
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YGNodeSetContext(node, context);
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YGNodeSetPrintFunc(node, YGPrint);
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}
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void jni_YGNodeInsertChild(alias_ref<jobject>, jlong nativePointer, jlong childPointer, jint index) {
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YGNodeInsertChild(_jlong2YGNodeRef(nativePointer), _jlong2YGNodeRef(childPointer), index);
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}
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void jni_YGNodeRemoveChild(alias_ref<jobject>, jlong nativePointer, jlong childPointer) {
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YGNodeRemoveChild(_jlong2YGNodeRef(nativePointer), _jlong2YGNodeRef(childPointer));
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}
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void jni_YGNodeCalculateLayout(alias_ref<jobject>, jlong nativePointer) {
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const YGNodeRef root = _jlong2YGNodeRef(nativePointer);
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YGNodeCalculateLayout(root,
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YGUndefined,
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YGUndefined,
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YGNodeStyleGetDirection(_jlong2YGNodeRef(nativePointer)));
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YGTransferLayoutOutputsRecursive(root);
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}
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void jni_YGNodeMarkDirty(alias_ref<jobject>, jlong nativePointer) {
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YGNodeMarkDirty(_jlong2YGNodeRef(nativePointer));
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}
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jboolean jni_YGNodeIsDirty(alias_ref<jobject>, jlong nativePointer) {
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return (jboolean) YGNodeIsDirty(_jlong2YGNodeRef(nativePointer));
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}
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void jni_YGNodeSetHasMeasureFunc(alias_ref<jobject>, jlong nativePointer, jboolean hasMeasureFunc) {
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YGNodeSetMeasureFunc(_jlong2YGNodeRef(nativePointer), hasMeasureFunc ? YGJNIMeasureFunc : NULL);
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}
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jboolean jni_YGNodeHasNewLayout(alias_ref<jobject>, jlong nativePointer) {
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return (jboolean) YGNodeGetHasNewLayout(_jlong2YGNodeRef(nativePointer));
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}
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void jni_YGNodeMarkLayoutSeen(alias_ref<jobject>, jlong nativePointer) {
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YGNodeSetHasNewLayout(_jlong2YGNodeRef(nativePointer), false);
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}
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void jni_YGNodeCopyStyle(alias_ref<jobject>, jlong dstNativePointer, jlong srcNativePointer) {
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YGNodeCopyStyle(_jlong2YGNodeRef(dstNativePointer), _jlong2YGNodeRef(srcNativePointer));
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}
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#define YG_NODE_JNI_STYLE_PROP(javatype, type, name) \
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javatype jni_YGNodeStyleGet##name(alias_ref<jobject>, jlong nativePointer) { \
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return (javatype) YGNodeStyleGet##name(_jlong2YGNodeRef(nativePointer)); \
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} \
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\
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void jni_YGNodeStyleSet##name(alias_ref<jobject>, jlong nativePointer, javatype value) { \
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YGNodeStyleSet##name(_jlong2YGNodeRef(nativePointer), static_cast<type>(value)); \
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}
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#define YG_NODE_JNI_STYLE_EDGE_PROP(javatype, type, name) \
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javatype jni_YGNodeStyleGet##name(alias_ref<jobject>, jlong nativePointer, jint edge) { \
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return (javatype) YGNodeStyleGet##name(_jlong2YGNodeRef(nativePointer), \
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static_cast<YGEdge>(edge)); \
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} \
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\
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void jni_YGNodeStyleSet##name(alias_ref<jobject>, \
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jlong nativePointer, \
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jint edge, \
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javatype value) { \
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YGNodeStyleSet##name(_jlong2YGNodeRef(nativePointer), \
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static_cast<YGEdge>(edge), \
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static_cast<type>(value)); \
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}
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YG_NODE_JNI_STYLE_PROP(jint, YGDirection, Direction);
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YG_NODE_JNI_STYLE_PROP(jint, YGFlexDirection, FlexDirection);
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YG_NODE_JNI_STYLE_PROP(jint, YGJustify, JustifyContent);
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YG_NODE_JNI_STYLE_PROP(jint, YGAlign, AlignItems);
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YG_NODE_JNI_STYLE_PROP(jint, YGAlign, AlignSelf);
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YG_NODE_JNI_STYLE_PROP(jint, YGAlign, AlignContent);
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YG_NODE_JNI_STYLE_PROP(jint, YGPositionType, PositionType);
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YG_NODE_JNI_STYLE_PROP(jint, YGWrap, FlexWrap);
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YG_NODE_JNI_STYLE_PROP(jint, YGOverflow, Overflow);
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void jni_YGNodeStyleSetFlex(alias_ref<jobject>, jlong nativePointer, jfloat value) {
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YGNodeStyleSetFlex(_jlong2YGNodeRef(nativePointer), static_cast<float>(value));
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}
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YG_NODE_JNI_STYLE_PROP(jfloat, float, FlexGrow);
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YG_NODE_JNI_STYLE_PROP(jfloat, float, FlexShrink);
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YG_NODE_JNI_STYLE_PROP(jfloat, float, FlexBasis);
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YG_NODE_JNI_STYLE_EDGE_PROP(jfloat, float, Position);
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YG_NODE_JNI_STYLE_EDGE_PROP(jfloat, float, Margin);
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YG_NODE_JNI_STYLE_EDGE_PROP(jfloat, float, Padding);
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YG_NODE_JNI_STYLE_EDGE_PROP(jfloat, float, Border);
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YG_NODE_JNI_STYLE_PROP(jfloat, float, Width);
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YG_NODE_JNI_STYLE_PROP(jfloat, float, MinWidth);
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YG_NODE_JNI_STYLE_PROP(jfloat, float, MaxWidth);
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YG_NODE_JNI_STYLE_PROP(jfloat, float, Height);
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YG_NODE_JNI_STYLE_PROP(jfloat, float, MinHeight);
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YG_NODE_JNI_STYLE_PROP(jfloat, float, MaxHeight);
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// Yoga specific properties, not compatible with flexbox specification
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YG_NODE_JNI_STYLE_PROP(jfloat, float, AspectRatio);
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#define YGMakeNativeMethod(name) makeNativeMethod(#name, name)
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jint JNI_OnLoad(JavaVM *vm, void *) {
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return initialize(vm, [] {
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registerNatives("com/facebook/yoga/YogaNode",
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{
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YGMakeNativeMethod(jni_YGNodeNew),
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YGMakeNativeMethod(jni_YGNodeFree),
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YGMakeNativeMethod(jni_YGNodeReset),
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YGMakeNativeMethod(jni_YGNodeInsertChild),
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YGMakeNativeMethod(jni_YGNodeRemoveChild),
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YGMakeNativeMethod(jni_YGNodeCalculateLayout),
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YGMakeNativeMethod(jni_YGNodeHasNewLayout),
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YGMakeNativeMethod(jni_YGNodeMarkDirty),
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YGMakeNativeMethod(jni_YGNodeIsDirty),
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YGMakeNativeMethod(jni_YGNodeMarkLayoutSeen),
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YGMakeNativeMethod(jni_YGNodeSetHasMeasureFunc),
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YGMakeNativeMethod(jni_YGNodeCopyStyle),
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YGMakeNativeMethod(jni_YGNodeStyleGetDirection),
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YGMakeNativeMethod(jni_YGNodeStyleSetDirection),
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YGMakeNativeMethod(jni_YGNodeStyleGetFlexDirection),
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YGMakeNativeMethod(jni_YGNodeStyleSetFlexDirection),
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YGMakeNativeMethod(jni_YGNodeStyleGetJustifyContent),
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YGMakeNativeMethod(jni_YGNodeStyleSetJustifyContent),
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YGMakeNativeMethod(jni_YGNodeStyleGetAlignItems),
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YGMakeNativeMethod(jni_YGNodeStyleSetAlignItems),
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YGMakeNativeMethod(jni_YGNodeStyleGetAlignSelf),
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YGMakeNativeMethod(jni_YGNodeStyleSetAlignSelf),
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YGMakeNativeMethod(jni_YGNodeStyleGetAlignContent),
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YGMakeNativeMethod(jni_YGNodeStyleSetAlignContent),
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YGMakeNativeMethod(jni_YGNodeStyleGetPositionType),
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YGMakeNativeMethod(jni_YGNodeStyleSetPositionType),
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YGMakeNativeMethod(jni_YGNodeStyleSetFlexWrap),
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YGMakeNativeMethod(jni_YGNodeStyleGetOverflow),
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YGMakeNativeMethod(jni_YGNodeStyleSetOverflow),
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YGMakeNativeMethod(jni_YGNodeStyleSetFlex),
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YGMakeNativeMethod(jni_YGNodeStyleGetFlexGrow),
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YGMakeNativeMethod(jni_YGNodeStyleSetFlexGrow),
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YGMakeNativeMethod(jni_YGNodeStyleGetFlexShrink),
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YGMakeNativeMethod(jni_YGNodeStyleSetFlexShrink),
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YGMakeNativeMethod(jni_YGNodeStyleGetFlexBasis),
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YGMakeNativeMethod(jni_YGNodeStyleSetFlexBasis),
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YGMakeNativeMethod(jni_YGNodeStyleGetMargin),
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YGMakeNativeMethod(jni_YGNodeStyleSetMargin),
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YGMakeNativeMethod(jni_YGNodeStyleGetPadding),
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YGMakeNativeMethod(jni_YGNodeStyleSetPadding),
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YGMakeNativeMethod(jni_YGNodeStyleGetBorder),
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YGMakeNativeMethod(jni_YGNodeStyleSetBorder),
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YGMakeNativeMethod(jni_YGNodeStyleGetPosition),
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YGMakeNativeMethod(jni_YGNodeStyleSetPosition),
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YGMakeNativeMethod(jni_YGNodeStyleGetWidth),
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YGMakeNativeMethod(jni_YGNodeStyleSetWidth),
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YGMakeNativeMethod(jni_YGNodeStyleGetHeight),
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YGMakeNativeMethod(jni_YGNodeStyleSetHeight),
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YGMakeNativeMethod(jni_YGNodeStyleGetMinWidth),
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YGMakeNativeMethod(jni_YGNodeStyleSetMinWidth),
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YGMakeNativeMethod(jni_YGNodeStyleGetMinHeight),
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YGMakeNativeMethod(jni_YGNodeStyleSetMinHeight),
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YGMakeNativeMethod(jni_YGNodeStyleGetMaxWidth),
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YGMakeNativeMethod(jni_YGNodeStyleSetMaxWidth),
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YGMakeNativeMethod(jni_YGNodeStyleGetMaxHeight),
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YGMakeNativeMethod(jni_YGNodeStyleSetMaxHeight),
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YGMakeNativeMethod(jni_YGNodeStyleGetAspectRatio),
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YGMakeNativeMethod(jni_YGNodeStyleSetAspectRatio),
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YGMakeNativeMethod(jni_YGNodeGetInstanceCount),
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YGMakeNativeMethod(jni_YGSetLogger),
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YGMakeNativeMethod(jni_YGLog),
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YGMakeNativeMethod(jni_YGSetExperimentalFeatureEnabled),
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YGMakeNativeMethod(jni_YGIsExperimentalFeatureEnabled),
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});
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});
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}
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