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- /*
- Minetest
- Copyright (C) 2014 celeron55, Perttu Ahola <celeron55@gmail.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #ifndef __ANDROID__
- #error This file may only be compiled for android!
- #endif
- #include "util/numeric.h"
- #include "porting.h"
- #include "porting_android.h"
- #include "threading/thread.h"
- #include "config.h"
- #include "filesys.h"
- #include "log.h"
- #include "settings.h"
- #include <sstream>
- #include <exception>
- #include <cstdlib>
- #ifdef GPROF
- #include "prof.h"
- #endif
- extern int main(int argc, char *argv[]);
- extern "C" JNIEXPORT void JNICALL
- Java_net_minetest_minetest_GameActivity_saveSettings(JNIEnv* env, jobject /* this */) {
- if (!g_settings_path.empty())
- g_settings->updateConfigFile(g_settings_path.c_str());
- }
- namespace porting {
- // used here:
- void cleanupAndroid();
- std::string getLanguageAndroid();
- bool setSystemPaths(); // used in porting.cpp
- }
- void android_main(android_app *app)
- {
- porting::app_global = app;
- Thread::setName("Main");
- char *argv[] = {strdup(PROJECT_NAME), strdup("--verbose"), nullptr};
- int retval = main(ARRLEN(argv) - 1, argv);
- free(argv[0]);
- free(argv[1]);
- porting::cleanupAndroid();
- infostream << "Shutting down." << std::endl;
- exit(retval);
- }
- namespace porting {
- android_app *app_global = nullptr;
- JNIEnv *jnienv = nullptr;
- jclass nativeActivity;
- jclass findClass(const std::string &classname)
- {
- 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);
- jclass classLoader = jnienv->FindClass("java/lang/ClassLoader");
- jmethodID findClass = jnienv->GetMethodID(classLoader, "loadClass",
- "(Ljava/lang/String;)Ljava/lang/Class;");
- jstring strClassName = jnienv->NewStringUTF(classname.c_str());
- return (jclass) jnienv->CallObjectMethod(cls, findClass, strClassName);
- }
- void osSpecificInit()
- {
- JavaVM *jvm = app_global->activity->vm;
- JavaVMAttachArgs lJavaVMAttachArgs;
- lJavaVMAttachArgs.version = JNI_VERSION_1_6;
- lJavaVMAttachArgs.name = PROJECT_NAME_C "NativeThread";
- 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 == nullptr)
- errorstream <<
- "porting::initAndroid unable to find Java native activity class" <<
- std::endl;
- // Set default language
- auto lang = getLanguageAndroid();
- unsetenv("LANGUAGE");
- setenv("LANG", lang.c_str(), 1);
- #ifdef GPROF
- // in the start-up code
- warningstream << "Initializing GPROF profiler" << std::endl;
- monstartup("libMinetest.so");
- #endif
- }
- void cleanupAndroid()
- {
- #ifdef GPROF
- warningstream << "Shutting down GPROF profiler" << std::endl;
- setenv("CPUPROFILE", (path_user + DIR_DELIM + "gmon.out").c_str(), 1);
- moncleanup();
- #endif
- JavaVM *jvm = app_global->activity->vm;
- jvm->DetachCurrentThread();
- }
- static std::string readJavaString(jstring j_str)
- {
- // Get string as a UTF-8 C string
- const char *c_str = jnienv->GetStringUTFChars(j_str, nullptr);
- // Save it
- std::string str(c_str);
- // And free the C string
- jnienv->ReleaseStringUTFChars(j_str, c_str);
- return str;
- }
- bool setSystemPaths()
- {
- // Set user and share paths
- {
- jmethodID getUserDataPath = jnienv->GetMethodID(nativeActivity,
- "getUserDataPath", "()Ljava/lang/String;");
- FATAL_ERROR_IF(getUserDataPath==nullptr,
- "porting::initializePathsAndroid unable to find Java getUserDataPath method");
- jobject result = jnienv->CallObjectMethod(app_global->activity->clazz, getUserDataPath);
- std::string str = readJavaString((jstring) result);
- path_user = str;
- path_share = str;
- }
- // Set cache path
- {
- jmethodID getCachePath = jnienv->GetMethodID(nativeActivity,
- "getCachePath", "()Ljava/lang/String;");
- FATAL_ERROR_IF(getCachePath==nullptr,
- "porting::initializePathsAndroid unable to find Java getCachePath method");
- jobject result = jnienv->CallObjectMethod(app_global->activity->clazz, getCachePath);
- path_cache = readJavaString((jstring) result);
- }
- return true;
- }
- void showTextInputDialog(const std::string &hint, const std::string ¤t, int editType)
- {
- jmethodID showdialog = jnienv->GetMethodID(nativeActivity, "showTextInputDialog",
- "(Ljava/lang/String;Ljava/lang/String;I)V");
- FATAL_ERROR_IF(showdialog == nullptr,
- "porting::showTextInputDialog unable to find Java showTextInputDialog method");
- jstring jhint = jnienv->NewStringUTF(hint.c_str());
- jstring jcurrent = jnienv->NewStringUTF(current.c_str());
- jint jeditType = editType;
- jnienv->CallVoidMethod(app_global->activity->clazz, showdialog,
- jhint, jcurrent, jeditType);
- }
- void showComboBoxDialog(const std::string optionList[], s32 listSize, s32 selectedIdx)
- {
- jmethodID showdialog = jnienv->GetMethodID(nativeActivity, "showSelectionInputDialog",
- "([Ljava/lang/String;I)V");
- FATAL_ERROR_IF(showdialog == nullptr,
- "porting::showComboBoxDialog unable to find Java showSelectionInputDialog method");
- jclass jStringClass = jnienv->FindClass("java/lang/String");
- jobjectArray jOptionList = jnienv->NewObjectArray(listSize, jStringClass, NULL);
- jint jselectedIdx = selectedIdx;
- for (s32 i = 0; i < listSize; i ++) {
- jnienv->SetObjectArrayElement(jOptionList, i,
- jnienv->NewStringUTF(optionList[i].c_str()));
- }
- jnienv->CallVoidMethod(app_global->activity->clazz, showdialog, jOptionList,
- jselectedIdx);
- }
- void openURIAndroid(const char *url)
- {
- jmethodID url_open = jnienv->GetMethodID(nativeActivity, "openURI",
- "(Ljava/lang/String;)V");
- FATAL_ERROR_IF(url_open == nullptr,
- "porting::openURIAndroid unable to find Java openURI method");
- jstring jurl = jnienv->NewStringUTF(url);
- jnienv->CallVoidMethod(app_global->activity->clazz, url_open, jurl);
- }
- void shareFileAndroid(const std::string &path)
- {
- jmethodID url_open = jnienv->GetMethodID(nativeActivity, "shareFile",
- "(Ljava/lang/String;)V");
- FATAL_ERROR_IF(url_open == nullptr,
- "porting::shareFileAndroid unable to find Java shareFile method");
- jstring jurl = jnienv->NewStringUTF(path.c_str());
- jnienv->CallVoidMethod(app_global->activity->clazz, url_open, jurl);
- }
- AndroidDialogType getLastInputDialogType()
- {
- jmethodID lastdialogtype = jnienv->GetMethodID(nativeActivity,
- "getLastDialogType", "()I");
- FATAL_ERROR_IF(lastdialogtype == nullptr,
- "porting::getLastInputDialogType unable to find Java getLastDialogType method");
- int dialogType = jnienv->CallIntMethod(app_global->activity->clazz, lastdialogtype);
- return static_cast<AndroidDialogType>(dialogType);
- }
- AndroidDialogState getInputDialogState()
- {
- jmethodID inputdialogstate = jnienv->GetMethodID(nativeActivity,
- "getInputDialogState", "()I");
- FATAL_ERROR_IF(inputdialogstate == nullptr,
- "porting::getInputDialogState unable to find Java getInputDialogState method");
- int dialogState = jnienv->CallIntMethod(app_global->activity->clazz, inputdialogstate);
- return static_cast<AndroidDialogState>(dialogState);
- }
- std::string getInputDialogMessage()
- {
- jmethodID dialogvalue = jnienv->GetMethodID(nativeActivity,
- "getDialogMessage", "()Ljava/lang/String;");
- FATAL_ERROR_IF(dialogvalue == nullptr,
- "porting::getInputDialogMessage unable to find Java getDialogMessage method");
- jobject result = jnienv->CallObjectMethod(app_global->activity->clazz,
- dialogvalue);
- return readJavaString((jstring) result);
- }
- int getInputDialogSelection()
- {
- jmethodID dialogvalue = jnienv->GetMethodID(nativeActivity, "getDialogSelection", "()I");
- FATAL_ERROR_IF(dialogvalue == nullptr,
- "porting::getInputDialogSelection unable to find Java getDialogSelection method");
- return jnienv->CallIntMethod(app_global->activity->clazz, dialogvalue);
- }
- #ifndef SERVER
- float getDisplayDensity()
- {
- static bool firstrun = true;
- static float value = 0;
- if (firstrun) {
- jmethodID getDensity = jnienv->GetMethodID(nativeActivity,
- "getDensity", "()F");
- FATAL_ERROR_IF(getDensity == nullptr,
- "porting::getDisplayDensity unable to find Java getDensity method");
- value = jnienv->CallFloatMethod(app_global->activity->clazz, getDensity);
- firstrun = false;
- }
- return value;
- }
- v2u32 getDisplaySize()
- {
- static bool firstrun = true;
- static v2u32 retval;
- if (firstrun) {
- jmethodID getDisplayWidth = jnienv->GetMethodID(nativeActivity,
- "getDisplayWidth", "()I");
- FATAL_ERROR_IF(getDisplayWidth == nullptr,
- "porting::getDisplayWidth unable to find Java getDisplayWidth method");
- retval.X = jnienv->CallIntMethod(app_global->activity->clazz,
- getDisplayWidth);
- jmethodID getDisplayHeight = jnienv->GetMethodID(nativeActivity,
- "getDisplayHeight", "()I");
- FATAL_ERROR_IF(getDisplayHeight == nullptr,
- "porting::getDisplayHeight unable to find Java getDisplayHeight method");
- retval.Y = jnienv->CallIntMethod(app_global->activity->clazz,
- getDisplayHeight);
- firstrun = false;
- }
- return retval;
- }
- std::string getLanguageAndroid()
- {
- jmethodID getLanguage = jnienv->GetMethodID(nativeActivity,
- "getLanguage", "()Ljava/lang/String;");
- FATAL_ERROR_IF(getLanguage == nullptr,
- "porting::getLanguageAndroid unable to find Java getLanguage method");
- jobject result = jnienv->CallObjectMethod(app_global->activity->clazz,
- getLanguage);
- return readJavaString((jstring) result);
- }
- #endif // ndef SERVER
- }
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