858c2e7eed
Read NativeDelegates from a NativeConfig class instead of CreateInfo. Read icu data dir from a System property. Test: frameworks/layoutlib/bridge/tests/run_tests.sh Change-Id: Ifbd5067aad36b2298c542031df9ccb950cfa0d28 (cherry picked from commit 2944f345a81a5bec2fa355fdf9556e0dbfb94cdd)
210 lines
8.7 KiB
C++
210 lines
8.7 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "jni.h"
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#include "core_jni_helpers.h"
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#include <unicode/putil.h>
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#include <vector>
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using namespace std;
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/*
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* This is responsible for setting up the JNI environment for communication between
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* the Java and native parts of layoutlib, including registering native methods.
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* This is mostly achieved by copying the way it is done in the platform
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* (see AndroidRuntime.cpp).
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*/
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static JavaVM* javaVM;
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extern int register_android_graphics_Bitmap(JNIEnv*);
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extern int register_android_graphics_BitmapFactory(JNIEnv*);
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extern int register_android_graphics_ByteBufferStreamAdaptor(JNIEnv* env);
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extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env);
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extern int register_android_graphics_Graphics(JNIEnv* env);
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extern int register_android_graphics_ImageDecoder(JNIEnv*);
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extern int register_android_graphics_MaskFilter(JNIEnv* env);
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extern int register_android_graphics_NinePatch(JNIEnv*);
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extern int register_android_graphics_PathEffect(JNIEnv* env);
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extern int register_android_graphics_Shader(JNIEnv* env);
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extern int register_android_graphics_Typeface(JNIEnv* env);
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namespace android {
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extern int register_android_animation_PropertyValuesHolder(JNIEnv *env);
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extern int register_android_graphics_Canvas(JNIEnv* env);
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extern int register_android_graphics_ColorFilter(JNIEnv* env);
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extern int register_android_graphics_ColorSpace(JNIEnv* env);
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extern int register_android_graphics_DrawFilter(JNIEnv* env);
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extern int register_android_graphics_FontFamily(JNIEnv* env);
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extern int register_android_graphics_Matrix(JNIEnv* env);
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extern int register_android_graphics_Paint(JNIEnv* env);
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extern int register_android_graphics_Path(JNIEnv* env);
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extern int register_android_graphics_PathMeasure(JNIEnv* env);
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extern int register_android_graphics_Picture(JNIEnv* env);
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extern int register_android_graphics_Region(JNIEnv* env);
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extern int register_android_graphics_drawable_AnimatedVectorDrawable(JNIEnv* env);
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extern int register_android_graphics_drawable_VectorDrawable(JNIEnv* env);
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extern int register_android_graphics_fonts_Font(JNIEnv* env);
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extern int register_android_graphics_fonts_FontFamily(JNIEnv* env);
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extern int register_android_graphics_text_LineBreaker(JNIEnv* env);
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extern int register_android_graphics_text_MeasuredText(JNIEnv* env);
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extern int register_android_util_PathParser(JNIEnv* env);
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extern int register_com_android_internal_util_VirtualRefBasePtr(JNIEnv *env);
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extern int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv *env);
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#define REG_JNI(name) { name }
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struct RegJNIRec {
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int (*mProc)(JNIEnv*);
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};
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static const RegJNIRec gRegJNI[] = {
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REG_JNI(register_android_animation_PropertyValuesHolder),
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REG_JNI(register_android_graphics_Bitmap),
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REG_JNI(register_android_graphics_BitmapFactory),
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REG_JNI(register_android_graphics_ByteBufferStreamAdaptor),
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REG_JNI(register_android_graphics_Canvas),
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REG_JNI(register_android_graphics_ColorFilter),
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REG_JNI(register_android_graphics_ColorSpace),
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REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor),
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REG_JNI(register_android_graphics_DrawFilter),
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REG_JNI(register_android_graphics_FontFamily),
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REG_JNI(register_android_graphics_Graphics),
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REG_JNI(register_android_graphics_ImageDecoder),
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REG_JNI(register_android_graphics_MaskFilter),
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REG_JNI(register_android_graphics_Matrix),
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REG_JNI(register_android_graphics_NinePatch),
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REG_JNI(register_android_graphics_Paint),
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REG_JNI(register_android_graphics_Path),
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REG_JNI(register_android_graphics_PathEffect),
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REG_JNI(register_android_graphics_PathMeasure),
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REG_JNI(register_android_graphics_Picture),
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REG_JNI(register_android_graphics_Region),
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REG_JNI(register_android_graphics_Shader),
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REG_JNI(register_android_graphics_Typeface),
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REG_JNI(register_android_graphics_drawable_AnimatedVectorDrawable),
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REG_JNI(register_android_graphics_drawable_VectorDrawable),
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REG_JNI(register_android_graphics_fonts_Font),
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REG_JNI(register_android_graphics_fonts_FontFamily),
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REG_JNI(register_android_graphics_text_LineBreaker),
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REG_JNI(register_android_graphics_text_MeasuredText),
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REG_JNI(register_android_util_PathParser),
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REG_JNI(register_com_android_internal_util_VirtualRefBasePtr),
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REG_JNI(register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper),
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};
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// Vector to store the names of classes that need delegates of their native methods
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static vector<string> classesToDelegate;
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static int register_jni_procs(const RegJNIRec array[], size_t count, JNIEnv* env) {
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for (size_t i = 0; i < count; i++) {
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if (array[i].mProc(env) < 0) {
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return -1;
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}
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}
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return 0;
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}
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int AndroidRuntime::registerNativeMethods(JNIEnv* env,
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const char* className, const JNINativeMethod* gMethods, int numMethods) {
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string classNameString = string(className);
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if (find(classesToDelegate.begin(), classesToDelegate.end(), classNameString)
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!= classesToDelegate.end()) {
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// Register native methods to the delegate class <classNameString>_NativeDelegate
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// by adding _Original to the name of each method.
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replace(classNameString.begin(), classNameString.end(), '$', '_');
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string delegateClassName = classNameString + "_NativeDelegate";
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jclass clazz = env->FindClass(delegateClassName.c_str());
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JNINativeMethod gTypefaceDelegateMethods[numMethods];
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for (int i = 0; i < numMethods; i++) {
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JNINativeMethod gTypefaceMethod = gMethods[i];
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string newName = string(gTypefaceMethod.name) + "_Original";
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gTypefaceDelegateMethods[i].name = strdup(newName.c_str());
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gTypefaceDelegateMethods[i].signature = gTypefaceMethod.signature;
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gTypefaceDelegateMethods[i].fnPtr = gTypefaceMethod.fnPtr;
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}
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int result = env->RegisterNatives(clazz, gTypefaceDelegateMethods, numMethods);
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for (int i = 0; i < numMethods; i++) {
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free((char*)gTypefaceDelegateMethods[i].name);
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}
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return result;
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}
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jclass clazz = env->FindClass(className);
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return env->RegisterNatives(clazz, gMethods, numMethods);
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}
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JNIEnv* AndroidRuntime::getJNIEnv()
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{
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JNIEnv* env;
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if (javaVM->GetEnv((void**) &env, JNI_VERSION_1_6) != JNI_OK)
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return nullptr;
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return env;
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}
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JavaVM* AndroidRuntime::getJavaVM() {
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return javaVM;
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}
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} // namespace android
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using namespace android;
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JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void*) {
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javaVM = vm;
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JNIEnv* env = nullptr;
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if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
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return JNI_ERR;
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}
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// Get the names of classes that have to delegate their native methods
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jclass createInfo = FindClassOrDie(env, "com/android/tools/layoutlib/create/NativeConfig");
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jfieldID arrayId = GetStaticFieldIDOrDie(env, createInfo,
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"DELEGATE_CLASS_NATIVES_TO_NATIVES", "[Ljava/lang/String;");
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jobjectArray array = (jobjectArray) env->GetStaticObjectField(createInfo, arrayId);
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jsize size = env->GetArrayLength(array);
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for (int i=0; i < size; ++i) {
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jstring string = (jstring) env->GetObjectArrayElement(array, i);
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const char* charArray = env->GetStringUTFChars(string, 0);
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std::string className = std::string(charArray);
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std::replace(className.begin(), className.end(), '.', '/');
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classesToDelegate.push_back(className);
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env->ReleaseStringUTFChars(string, charArray);
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}
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if (register_jni_procs(gRegJNI, NELEM(gRegJNI), env) < 0) {
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return JNI_ERR;
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}
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// Set the location of ICU data
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jclass system = FindClassOrDie(env, "java/lang/System");
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jmethodID getPropertyMethod = GetStaticMethodIDOrDie(env, system, "getProperty",
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"(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;");
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jstring stringPath = (jstring) (jstring) env->CallStaticObjectMethod(system,
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getPropertyMethod, env->NewStringUTF("icu.dir"),
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env->NewStringUTF(""));
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const char* path = env->GetStringUTFChars(stringPath, 0);
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u_setDataDirectory(path);
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env->ReleaseStringUTFChars(stringPath, path);
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return JNI_VERSION_1_6;
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}
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