c74eae50ac
Summary: Add jni bindings for csslayout. First step in many of removing LayoutEngine.java and performing all layout in native. Reviewed By: lucasr Differential Revision: D3648793 fbshipit-source-id: d0e696e196fa7c63109c9117a65645ca3d6c9c00
174 lines
7.1 KiB
C
174 lines
7.1 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/CSSLayout.h>
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#include <jni.h>
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#define JNI_VERSION JNI_VERSION_1_6
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#define CSS_NODE_JNI(type, func) JNIEXPORT type JNICALL Java_com_facebook_csslayout_CSSNodeJNI_jni_1##func
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#define CSS_NODE_JNI_STYLE_PROP(javatype, type, name) \
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CSS_NODE_JNI(javatype, CSSNodeStyleGet##name(JNIEnv *env, jobject instance, jint nativePointer) { \
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return (javatype) CSSNodeStyleGet##name((CSSNodeRef) nativePointer); \
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}) \
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\
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CSS_NODE_JNI(void, CSSNodeStyleSet##name(JNIEnv *env, jobject instance, jint nativePointer, javatype value) { \
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CSSNodeStyleSet##name((CSSNodeRef) nativePointer, (type) value); \
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})
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#define CSS_NODE_JNI_LAYOUT_PROP(javatype, type, name) \
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CSS_NODE_JNI(javatype, CSSNodeLayoutGet##name(JNIEnv *env, jobject instance, jint nativePointer) { \
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return (javatype) CSSNodeLayoutGet##name((CSSNodeRef) nativePointer); \
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})
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static JavaVM* jvm = NULL;
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jint JNI_OnLoad(JavaVM* vm, void* reserved) {
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jvm = vm;
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return JNI_VERSION;
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}
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static void _jniPrint(void *context) {
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JNIEnv *env = NULL;
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CSS_ASSERT((*jvm)->GetEnv(jvm, (void**) &env, JNI_VERSION) == JNI_OK, "Must have valid jni env");
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jclass cssNodeClass = (*env)->FindClass(env, "com/facebook/csslayout/CSSNodeJNI");
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CSS_ASSERT(cssNodeClass, "Could not find CSSNode class");
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jmethodID toStringID = (*env)->GetMethodID(env, cssNodeClass, "toString", "()Ljava/lang/String");
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CSS_ASSERT(toStringID, "Could not find toString method");
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jstring javaString = (jstring) (*env)->CallObjectMethod(env, context, toStringID);
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const char *nativeString = (*env)->GetStringUTFChars(env, javaString, 0);
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printf("%s\n", nativeString);
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(*env)->ReleaseStringUTFChars(env, javaString, nativeString);
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}
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static CSSSize _jniMeasureFunc(void *context, float width, CSSMeasureMode widthMode, float height, CSSMeasureMode heightMode) {
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JNIEnv *env = NULL;
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CSS_ASSERT((*jvm)->GetEnv(jvm, (void**) &env, JNI_VERSION) == JNI_OK, "Must have valid jni env");
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jclass cssNodeClass = (*env)->FindClass(env, "com/facebook/csslayout/CSSNodeJNI");
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CSS_ASSERT(cssNodeClass, "Could not find CSSNode class");
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jmethodID measureID = (*env)->GetMethodID(env, cssNodeClass, "measure", "(FIFI)J");
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CSS_ASSERT(measureID, "Could not find measure method");
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jlong measureResult = (*env)->CallLongMethod(env, context, measureID, width, widthMode, height, heightMode);
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CSSSize size = {
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.width = (int32_t) (measureResult >> 32),
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.height = (int32_t) measureResult,
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};
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return size;
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}
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CSS_NODE_JNI(jint, CSSNodeNew(JNIEnv *env, jobject thiz) {
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CSSNodeRef node = CSSNodeNew();
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CSSNodeSetContext(node, (*env)->NewGlobalRef(env, thiz));
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CSSNodeSetPrintFunc(node, _jniPrint);
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return (jint) node;
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})
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CSS_NODE_JNI(void, CSSNodeFree(JNIEnv *env, jobject thiz, jint nativePointer) {
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(*env)->DeleteGlobalRef(env, (jobject) CSSNodeGetContext((CSSNodeRef) nativePointer));
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CSSNodeFree((CSSNodeRef) nativePointer);
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})
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CSS_NODE_JNI(void, CSSNodeInsertChild(JNIEnv *env, jobject thiz, jint nativePointer, jint childPointer, jint index) {
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CSSNodeInsertChild((CSSNodeRef) nativePointer, (CSSNodeRef) childPointer, index);
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})
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CSS_NODE_JNI(void, CSSNodeRemoveChild(JNIEnv *env, jobject thiz, jint nativePointer, jint childPointer) {
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CSSNodeRemoveChild((CSSNodeRef) nativePointer, (CSSNodeRef) childPointer);
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})
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CSS_NODE_JNI(void, CSSNodeCalculateLayout(JNIEnv *env, jobject thiz, jint nativePointer) {
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CSSNodeCalculateLayout((CSSNodeRef) nativePointer, NAN, NAN, CSSNodeStyleGetDirection(((CSSNodeRef) nativePointer)));
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})
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CSS_NODE_JNI(void, CSSNodeMarkDirty(JNIEnv *env, jobject thiz, jint nativePointer) {
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CSSNodeMarkDirty((CSSNodeRef) nativePointer);
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})
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CSS_NODE_JNI(jboolean, CSSNodeIsDirty(JNIEnv *env, jobject instance, jint nativePointer) {
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return (jboolean) CSSNodeIsDirty((CSSNodeRef) nativePointer);
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})
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CSS_NODE_JNI(void, CSSNodeSetHasMeasureFunc(JNIEnv *env, jobject thiz, jint nativePointer, jboolean hasMeasureFunc) {
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CSSNodeSetMeasureFunc((CSSNodeRef) nativePointer, hasMeasureFunc ? _jniMeasureFunc : NULL);
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})
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CSS_NODE_JNI(void, CSSNodeSetIsTextNode(JNIEnv *env, jobject instance, jint nativePointer, jboolean isTextNode) {
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CSSNodeSetIsTextnode((CSSNodeRef) nativePointer, isTextNode);
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})
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CSS_NODE_JNI(jboolean, CSSNodeGetIsTextNode(JNIEnv *env, jobject instance, jint nativePointer) {
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return (jboolean) CSSNodeGetIsTextnode((CSSNodeRef) nativePointer);
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})
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CSS_NODE_JNI(jboolean, CSSNodeHasNewLayout(JNIEnv *env, jobject instance, jint nativePointer) {
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return (jboolean) CSSNodeGetHasNewLayout((CSSNodeRef) nativePointer);
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})
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CSS_NODE_JNI(void, CSSNodeMarkLayoutSeen(JNIEnv *env, jobject instance, jint nativePointer) {
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CSSNodeSetHasNewLayout((CSSNodeRef) nativePointer, false);
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})
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CSS_NODE_JNI_STYLE_PROP(jint, CSSDirection, Direction);
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CSS_NODE_JNI_STYLE_PROP(jint, CSSFlexDirection, FlexDirection);
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CSS_NODE_JNI_STYLE_PROP(jint, CSSJustify, JustifyContent);
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CSS_NODE_JNI_STYLE_PROP(jint, CSSAlign, AlignItems);
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CSS_NODE_JNI_STYLE_PROP(jint, CSSAlign, AlignSelf);
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CSS_NODE_JNI_STYLE_PROP(jint, CSSPositionType, PositionType);
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CSS_NODE_JNI_STYLE_PROP(jint, CSSWrapType, FlexWrap);
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CSS_NODE_JNI_STYLE_PROP(jint, CSSOverflow, Overflow);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, Flex);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, MarginLeft);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, MarginTop);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, MarginRight);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, MarginBottom);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, MarginStart);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, MarginEnd);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, PaddingLeft);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, PaddingTop);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, PaddingRight);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, PaddingBottom);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, PaddingStart);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, PaddingEnd);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, BorderLeft);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, BorderTop);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, BorderRight);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, BorderBottom);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, BorderStart);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, BorderEnd);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, PositionLeft);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, PositionTop);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, PositionRight);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, PositionBottom);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, Width);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, MinWidth);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, MaxWidth);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, Height);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, MinHeight);
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CSS_NODE_JNI_STYLE_PROP(jfloat, float, MaxHeight);
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CSS_NODE_JNI_LAYOUT_PROP(jfloat, float, Width);
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CSS_NODE_JNI_LAYOUT_PROP(jfloat, float, Height);
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CSS_NODE_JNI_LAYOUT_PROP(jfloat, float, Left);
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CSS_NODE_JNI_LAYOUT_PROP(jfloat, float, Top);
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CSS_NODE_JNI_LAYOUT_PROP(jint, CSSDirection, Direction);
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