From 4f9a5f67ee745d78fdc3e173972a3df110f989cf Mon Sep 17 00:00:00 2001 From: Maksim Date: Wed, 6 May 2020 14:25:57 +0200 Subject: [PATCH] Android: porting_android.cpp refactoring (#9687) * Android: porting_android.cpp refactoring * Replace assert to FATAL_ERROR_IF --- src/porting_android.cpp | 135 +++++++++++++++++----------------------- src/porting_android.h | 14 ++--- 2 files changed, 62 insertions(+), 87 deletions(-) diff --git a/src/porting_android.cpp b/src/porting_android.cpp index 4130bdb6d..2c91df235 100644 --- a/src/porting_android.cpp +++ b/src/porting_android.cpp @@ -47,8 +47,7 @@ void android_main(android_app *app) Thread::setName("Main"); try { - app_dummy(); - char *argv[] = {strdup(PROJECT_NAME), NULL}; + char *argv[] = {strdup(PROJECT_NAME), nullptr}; main(ARRLEN(argv) - 1, argv); free(argv[0]); } catch (std::exception &e) { @@ -64,85 +63,73 @@ void android_main(android_app *app) exit(retval); } -/* handler for finished message box input */ -/* Intentionally NOT in namespace porting */ -/* TODO this doesn't work as expected, no idea why but there's a workaround */ -/* for it right now */ +/** + * Handler for finished message box input + * Intentionally NOT in namespace porting + * ToDo: this doesn't work as expected, there's a workaround for it right now + */ extern "C" { JNIEXPORT void JNICALL Java_net_minetest_minetest_GameActivity_putMessageBoxResult( - JNIEnv * env, jclass thiz, jstring text) + JNIEnv *env, jclass thiz, jstring text) { - errorstream << "Java_net_minetest_minetest_GameActivity_putMessageBoxResult got: " - << std::string((const char*)env->GetStringChars(text,0)) - << std::endl; + errorstream << + "Java_net_minetest_minetest_GameActivity_putMessageBoxResult got: " << + std::string((const char*) env->GetStringChars(text, nullptr)) << std::endl; } } namespace porting { - -std::string path_storage = DIR_DELIM "sdcard" DIR_DELIM; - -android_app* app_global; -JNIEnv* jnienv; +android_app *app_global; +JNIEnv *jnienv; jclass nativeActivity; -jclass findClass(std::string classname) +jclass findClass(const std::string &classname) { - if (jnienv == 0) { - return 0; - } + if (jnienv == nullptr) + return nullptr; jclass nativeactivity = jnienv->FindClass("android/app/NativeActivity"); - jmethodID getClassLoader = - jnienv->GetMethodID(nativeactivity,"getClassLoader", - "()Ljava/lang/ClassLoader;"); - jobject cls = - jnienv->CallObjectMethod(app_global->activity->clazz, getClassLoader); + jmethodID getClassLoader = jnienv->GetMethodID( + nativeactivity, "getClassLoader", "()Ljava/lang/ClassLoader;"); + jobject cls = jnienv->CallObjectMethod( + app_global->activity->clazz, getClassLoader); jclass classLoader = jnienv->FindClass("java/lang/ClassLoader"); - jmethodID findClass = - jnienv->GetMethodID(classLoader, "loadClass", + jmethodID findClass = jnienv->GetMethodID(classLoader, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); - jstring strClassName = - jnienv->NewStringUTF(classname.c_str()); + jstring strClassName = jnienv->NewStringUTF(classname.c_str()); return (jclass) jnienv->CallObjectMethod(cls, findClass, strClassName); } void initAndroid() { - porting::jnienv = NULL; + porting::jnienv = nullptr; JavaVM *jvm = app_global->activity->vm; JavaVMAttachArgs lJavaVMAttachArgs; lJavaVMAttachArgs.version = JNI_VERSION_1_6; lJavaVMAttachArgs.name = PROJECT_NAME_C "NativeThread"; - lJavaVMAttachArgs.group = NULL; -#ifdef NDEBUG - // This is a ugly hack as arm v7a non debuggable builds crash without this - // printf ... if someone finds out why please fix it! - infostream << "Attaching native thread. " << std::endl; -#endif - if ( jvm->AttachCurrentThread(&porting::jnienv, &lJavaVMAttachArgs) == JNI_ERR) { + lJavaVMAttachArgs.group = nullptr; + + if (jvm->AttachCurrentThread(&porting::jnienv, &lJavaVMAttachArgs) == JNI_ERR) { errorstream << "Failed to attach native thread to jvm" << std::endl; exit(-1); } nativeActivity = findClass("net/minetest/minetest/GameActivity"); - if (nativeActivity == 0) { + if (nativeActivity == nullptr) errorstream << "porting::initAndroid unable to find java native activity class" << std::endl; - } #ifdef GPROF - /* in the start-up code */ + // in the start-up code __android_log_print(ANDROID_LOG_ERROR, PROJECT_NAME_C, "Initializing GPROF profiler"); - monstartup("libminetest.so"); + monstartup("libMinetest.so"); #endif } void cleanupAndroid() { - #ifdef GPROF errorstream << "Shutting down GPROF profiler" << std::endl; setenv("CPUPROFILE", (path_user + DIR_DELIM + "gmon.out").c_str(), 1); @@ -157,7 +144,7 @@ static std::string javaStringToUTF8(jstring js) { std::string str; // Get string as a UTF-8 c-string - const char *c_str = jnienv->GetStringUTFChars(js, NULL); + const char *c_str = jnienv->GetStringUTFChars(js, nullptr); // Save it str = c_str; // And free the c-string @@ -166,17 +153,15 @@ static std::string javaStringToUTF8(jstring js) } // Calls static method if obj is NULL -static std::string getAndroidPath(jclass cls, jobject obj, jclass cls_File, - jmethodID mt_getAbsPath, const char *getter) +static std::string getAndroidPath( + jclass cls, jobject obj, jmethodID mt_getAbsPath, const char *getter) { // Get getter method jmethodID mt_getter; if (obj) - mt_getter = jnienv->GetMethodID(cls, getter, - "()Ljava/io/File;"); + mt_getter = jnienv->GetMethodID(cls, getter, "()Ljava/io/File;"); else - mt_getter = jnienv->GetStaticMethodID(cls, getter, - "()Ljava/io/File;"); + mt_getter = jnienv->GetStaticMethodID(cls, getter, "()Ljava/io/File;"); // Call getter jobject ob_file; @@ -186,8 +171,7 @@ static std::string getAndroidPath(jclass cls, jobject obj, jclass cls_File, ob_file = jnienv->CallStaticObjectMethod(cls, mt_getter); // Call getAbsolutePath - jstring js_path = (jstring) jnienv->CallObjectMethod(ob_file, - mt_getAbsPath); + auto js_path = (jstring) jnienv->CallObjectMethod(ob_file, mt_getAbsPath); return javaStringToUTF8(js_path); } @@ -201,26 +185,24 @@ void initializePathsAndroid() // Get getAbsolutePath method jmethodID mt_getAbsPath = jnienv->GetMethodID(cls_File, "getAbsolutePath", "()Ljava/lang/String;"); + std::string path_storage = getAndroidPath(cls_Env, nullptr, + mt_getAbsPath, "getExternalStorageDirectory"); - path_cache = getAndroidPath(nativeActivity, app_global->activity->clazz, - cls_File, mt_getAbsPath, "getCacheDir"); - path_storage = getAndroidPath(cls_Env, NULL, cls_File, mt_getAbsPath, - "getExternalStorageDirectory"); path_user = path_storage + DIR_DELIM + PROJECT_NAME_C; path_share = path_storage + DIR_DELIM + PROJECT_NAME_C; - + path_cache = getAndroidPath(nativeActivity, + app_global->activity->clazz, mt_getAbsPath, "getCacheDir"); migrateCachePath(); } -void showInputDialog(const std::string& acceptButton, const std::string& hint, - const std::string& current, int editType) +void showInputDialog(const std::string &acceptButton, const std::string &hint, + const std::string ¤t, int editType) { - jmethodID showdialog = jnienv->GetMethodID(nativeActivity,"showDialog", + jmethodID showdialog = jnienv->GetMethodID(nativeActivity, "showDialog", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;I)V"); - if (showdialog == 0) { - assert("porting::showInputDialog unable to find java show dialog method" == 0); - } + FATAL_ERROR_IF(showdialog == nullptr, + "porting::showInputDialog unable to find java show dialog method"); jstring jacceptButton = jnienv->NewStringUTF(acceptButton.c_str()); jstring jhint = jnienv->NewStringUTF(hint.c_str()); @@ -236,9 +218,8 @@ int getInputDialogState() jmethodID dialogstate = jnienv->GetMethodID(nativeActivity, "getDialogState", "()I"); - if (dialogstate == 0) { - assert("porting::getInputDialogState unable to find java dialog state method" == 0); - } + FATAL_ERROR_IF(dialogstate == nullptr, + "porting::getInputDialogState unable to find java dialog state method"); return jnienv->CallIntMethod(app_global->activity->clazz, dialogstate); } @@ -248,14 +229,13 @@ std::string getInputDialogValue() jmethodID dialogvalue = jnienv->GetMethodID(nativeActivity, "getDialogValue", "()Ljava/lang/String;"); - if (dialogvalue == 0) { - assert("porting::getInputDialogValue unable to find java dialog value method" == 0); - } + FATAL_ERROR_IF(dialogvalue == nullptr, + "porting::getInputDialogValue unable to find java dialog value method"); jobject result = jnienv->CallObjectMethod(app_global->activity->clazz, dialogvalue); - const char* javachars = jnienv->GetStringUTFChars((jstring) result,0); + const char *javachars = jnienv->GetStringUTFChars((jstring) result, nullptr); std::string text(javachars); jnienv->ReleaseStringUTFChars((jstring) result, javachars); @@ -269,12 +249,11 @@ float getDisplayDensity() static float value = 0; if (firstrun) { - jmethodID getDensity = jnienv->GetMethodID(nativeActivity, "getDensity", - "()F"); + jmethodID getDensity = jnienv->GetMethodID(nativeActivity, + "getDensity", "()F"); - if (getDensity == 0) { - assert("porting::getDisplayDensity unable to find java getDensity method" == 0); - } + FATAL_ERROR_IF(getDensity == nullptr, + "porting::getDisplayDensity unable to find java getDensity method"); value = jnienv->CallFloatMethod(app_global->activity->clazz, getDensity); firstrun = false; @@ -291,9 +270,8 @@ v2u32 getDisplaySize() jmethodID getDisplayWidth = jnienv->GetMethodID(nativeActivity, "getDisplayWidth", "()I"); - if (getDisplayWidth == 0) { - assert("porting::getDisplayWidth unable to find java getDisplayWidth method" == 0); - } + FATAL_ERROR_IF(getDisplayWidth == nullptr, + "porting::getDisplayWidth unable to find java getDisplayWidth method"); retval.X = jnienv->CallIntMethod(app_global->activity->clazz, getDisplayWidth); @@ -301,9 +279,8 @@ v2u32 getDisplaySize() jmethodID getDisplayHeight = jnienv->GetMethodID(nativeActivity, "getDisplayHeight", "()I"); - if (getDisplayHeight == 0) { - assert("porting::getDisplayHeight unable to find java getDisplayHeight method" == 0); - } + FATAL_ERROR_IF(getDisplayHeight == nullptr, + "porting::getDisplayHeight unable to find java getDisplayHeight method"); retval.Y = jnienv->CallIntMethod(app_global->activity->clazz, getDisplayHeight); diff --git a/src/porting_android.h b/src/porting_android.h index 60eb2a9c0..42f90b60b 100644 --- a/src/porting_android.h +++ b/src/porting_android.h @@ -30,16 +30,15 @@ with this program; if not, write to the Free Software Foundation, Inc., #include namespace porting { -/** java app **/ +// java app extern android_app *app_global; -/** java <-> c++ interaction interface **/ +// java <-> c++ interaction interface extern JNIEnv *jnienv; -/** - * do initialization required on android only - */ +// do initialization required on android only void initAndroid(); + void cleanupAndroid(); /** @@ -56,8 +55,8 @@ void initializePathsAndroid(); * @param editType type of texfield * (1==multiline text input; 2==single line text input; 3=password field) */ -void showInputDialog(const std::string& acceptButton, - const std::string& hint, const std::string& current, int editType); +void showInputDialog(const std::string &acceptButton, + const std::string &hint, const std::string ¤t, int editType); /** * WORKAROUND for not working callbacks from java -> c++ @@ -75,5 +74,4 @@ std::string getInputDialogValue(); float getDisplayDensity(); v2u32 getDisplaySize(); #endif - }