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move common code to YGJNI.h header class

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Summary: Moving common code to YGJNI.h header class so that same can be used in fbjni and vanilla jni implementations

Reviewed By: amir-shalem

Differential Revision: D17666457

fbshipit-source-id: 1e6cd2506fb773b8a17ebef277a2c7ef9728e66b
This commit is contained in:
Sidharth Guglani
2019-10-08 14:23:57 -07:00
committed by Facebook Github Bot
parent 3fce27c48c
commit 25b8c94788
2 changed files with 59 additions and 50 deletions
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51
java/jni/YGJNI.cpp
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@@ -16,6 +16,7 @@
#include "YGJTypes.h"
#include "YGJNIVanilla.h"
#include "YGJNI.h"
using namespace facebook::jni;
using namespace std;
@@ -76,59 +77,9 @@ const short int LAYOUT_BORDER_START_INDEX = 14;
namespace {
union YGNodeContext {
uintptr_t edgesSet = 0;
void* asVoidPtr;
};
const int DOES_LEGACY_STRETCH_BEHAVIOUR = 8;
const int HAS_NEW_LAYOUT = 16;
class YGNodeEdges {
uintptr_t edges_;
public:
enum Edge {
MARGIN = 1,
PADDING = 2,
BORDER = 4,
};
YGNodeEdges(YGNodeRef node) {
auto context = YGNodeContext{};
context.asVoidPtr = node->getContext();
edges_ = context.edgesSet;
}
void setOn(YGNodeRef node) {
auto context = YGNodeContext{};
context.edgesSet = edges_;
node->setContext(context.asVoidPtr);
}
bool has(Edge edge) { return (edges_ & edge) == edge; }
YGNodeEdges& add(Edge edge) {
edges_ |= edge;
return *this;
}
int get() { return edges_; }
};
struct YogaValue {
static constexpr jint NAN_BYTES = 0x7fc00000;
static jlong asJavaLong(const YGValue& value) {
uint32_t valueBytes = 0;
memcpy(&valueBytes, &value.value, sizeof valueBytes);
return ((jlong) value.unit) << 32 | valueBytes;
}
constexpr static jlong undefinedAsJavaLong() {
return ((jlong) YGUnitUndefined) << 32 | NAN_BYTES;
}
};
} // namespace
static inline local_ref<JYogaNode> YGNodeJobject(

58
java/jni/YGJNI.h Normal file
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@@ -0,0 +1,58 @@
/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the LICENSE
* file in the root directory of this source tree.
*/
namespace {
union YGNodeContext {
uintptr_t edgesSet = 0;
void* asVoidPtr;
};
class YGNodeEdges {
uintptr_t edges_;
public:
enum Edge {
MARGIN = 1,
PADDING = 2,
BORDER = 4,
};
YGNodeEdges(YGNodeRef node) {
auto context = YGNodeContext{};
context.asVoidPtr = node->getContext();
edges_ = context.edgesSet;
}
void setOn(YGNodeRef node) {
auto context = YGNodeContext{};
context.edgesSet = edges_;
node->setContext(context.asVoidPtr);
}
bool has(Edge edge) { return (edges_ & edge) == edge; }
YGNodeEdges& add(Edge edge) {
edges_ |= edge;
return *this;
}
int get() { return edges_; }
};
struct YogaValue {
static constexpr jint NAN_BYTES = 0x7fc00000;
static jlong asJavaLong(const YGValue& value) {
uint32_t valueBytes = 0;
memcpy(&valueBytes, &value.value, sizeof valueBytes);
return ((jlong) value.unit) << 32 | valueBytes;
}
constexpr static jlong undefinedAsJavaLong() {
return ((jlong) YGUnitUndefined) << 32 | NAN_BYTES;
}
};
} // namespace