mirror of
https://github.com/minetest/minetest.git
synced 2024-11-23 16:13:46 +01:00
307 lines
8.9 KiB
C++
307 lines
8.9 KiB
C++
/*
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Minetest
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Copyright (C) 2014 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ANDROID__
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#error This file may only be compiled for android!
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#endif
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#include "util/numeric.h"
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#include "porting.h"
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#include "porting_android.h"
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#include "threading/thread.h"
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#include "config.h"
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#include "filesys.h"
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#include "log.h"
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#include <sstream>
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#include <exception>
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#include <cstdlib>
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#ifdef GPROF
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#include "prof.h"
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#endif
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extern int main(int argc, char *argv[]);
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void android_main(android_app *app)
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{
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int retval = 0;
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porting::app_global = app;
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Thread::setName("Main");
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char *argv[] = {strdup(PROJECT_NAME), strdup("--verbose"), nullptr};
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try {
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main(ARRLEN(argv) - 1, argv);
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} catch (std::exception &e) {
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errorstream << "Uncaught exception in main thread: " << e.what() << std::endl;
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retval = -1;
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} catch (...) {
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errorstream << "Uncaught exception in main thread!" << std::endl;
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retval = -1;
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}
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free(argv[0]);
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free(argv[1]);
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porting::cleanupAndroid();
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infostream << "Shutting down." << std::endl;
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exit(retval);
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}
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/**
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* Handler for finished message box input
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* Intentionally NOT in namespace porting
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* ToDo: this doesn't work as expected, there's a workaround for it right now
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*/
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extern "C" {
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JNIEXPORT void JNICALL Java_net_minetest_minetest_GameActivity_putMessageBoxResult(
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JNIEnv *env, jclass thiz, jstring text)
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{
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errorstream <<
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"Java_net_minetest_minetest_GameActivity_putMessageBoxResult got: " <<
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std::string((const char*) env->GetStringChars(text, nullptr)) << std::endl;
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}
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}
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namespace porting {
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android_app *app_global;
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JNIEnv *jnienv;
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jclass nativeActivity;
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jclass findClass(const std::string &classname)
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{
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if (jnienv == nullptr)
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return nullptr;
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jclass nativeactivity = jnienv->FindClass("android/app/NativeActivity");
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jmethodID getClassLoader = jnienv->GetMethodID(
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nativeactivity, "getClassLoader", "()Ljava/lang/ClassLoader;");
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jobject cls = jnienv->CallObjectMethod(
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app_global->activity->clazz, getClassLoader);
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jclass classLoader = jnienv->FindClass("java/lang/ClassLoader");
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jmethodID findClass = jnienv->GetMethodID(classLoader, "loadClass",
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"(Ljava/lang/String;)Ljava/lang/Class;");
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jstring strClassName = jnienv->NewStringUTF(classname.c_str());
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return (jclass) jnienv->CallObjectMethod(cls, findClass, strClassName);
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}
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void initAndroid()
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{
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porting::jnienv = nullptr;
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JavaVM *jvm = app_global->activity->vm;
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JavaVMAttachArgs lJavaVMAttachArgs;
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lJavaVMAttachArgs.version = JNI_VERSION_1_6;
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lJavaVMAttachArgs.name = PROJECT_NAME_C "NativeThread";
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lJavaVMAttachArgs.group = nullptr;
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if (jvm->AttachCurrentThread(&porting::jnienv, &lJavaVMAttachArgs) == JNI_ERR) {
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errorstream << "Failed to attach native thread to jvm" << std::endl;
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exit(-1);
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}
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nativeActivity = findClass("net/minetest/minetest/GameActivity");
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if (nativeActivity == nullptr)
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errorstream <<
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"porting::initAndroid unable to find java native activity class" <<
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std::endl;
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#ifdef GPROF
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// in the start-up code
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__android_log_print(ANDROID_LOG_ERROR, PROJECT_NAME_C,
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"Initializing GPROF profiler");
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monstartup("libMinetest.so");
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#endif
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}
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void cleanupAndroid()
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{
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#ifdef GPROF
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errorstream << "Shutting down GPROF profiler" << std::endl;
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setenv("CPUPROFILE", (path_user + DIR_DELIM + "gmon.out").c_str(), 1);
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moncleanup();
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#endif
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JavaVM *jvm = app_global->activity->vm;
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jvm->DetachCurrentThread();
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}
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static std::string javaStringToUTF8(jstring js)
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{
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std::string str;
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// Get string as a UTF-8 c-string
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const char *c_str = jnienv->GetStringUTFChars(js, nullptr);
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// Save it
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str = c_str;
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// And free the c-string
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jnienv->ReleaseStringUTFChars(js, c_str);
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return str;
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}
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void initializePathsAndroid()
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{
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// Set user and share paths
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{
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jmethodID getUserDataPath = jnienv->GetMethodID(nativeActivity,
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"getUserDataPath", "()Ljava/lang/String;");
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FATAL_ERROR_IF(getUserDataPath==nullptr,
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"porting::initializePathsAndroid unable to find Java getUserDataPath method");
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jobject result = jnienv->CallObjectMethod(app_global->activity->clazz, getUserDataPath);
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const char *javachars = jnienv->GetStringUTFChars((jstring) result, nullptr);
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path_user = javachars;
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path_share = javachars;
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path_locale = path_share + DIR_DELIM + "locale";
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jnienv->ReleaseStringUTFChars((jstring) result, javachars);
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}
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// Set cache path
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{
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jmethodID getCachePath = jnienv->GetMethodID(nativeActivity,
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"getCachePath", "()Ljava/lang/String;");
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FATAL_ERROR_IF(getCachePath==nullptr,
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"porting::initializePathsAndroid unable to find Java getCachePath method");
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jobject result = jnienv->CallObjectMethod(app_global->activity->clazz, getCachePath);
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const char *javachars = jnienv->GetStringUTFChars((jstring) result, nullptr);
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path_cache = javachars;
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jnienv->ReleaseStringUTFChars((jstring) result, javachars);
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migrateCachePath();
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}
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}
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void showInputDialog(const std::string &acceptButton, const std::string &hint,
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const std::string ¤t, int editType)
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{
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jmethodID showdialog = jnienv->GetMethodID(nativeActivity, "showDialog",
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"(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;I)V");
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FATAL_ERROR_IF(showdialog == nullptr,
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"porting::showInputDialog unable to find java show dialog method");
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jstring jacceptButton = jnienv->NewStringUTF(acceptButton.c_str());
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jstring jhint = jnienv->NewStringUTF(hint.c_str());
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jstring jcurrent = jnienv->NewStringUTF(current.c_str());
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jint jeditType = editType;
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jnienv->CallVoidMethod(app_global->activity->clazz, showdialog,
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jacceptButton, jhint, jcurrent, jeditType);
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}
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void openURIAndroid(const std::string &url)
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{
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jmethodID url_open = jnienv->GetMethodID(nativeActivity, "openURI",
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"(Ljava/lang/String;)V");
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FATAL_ERROR_IF(url_open == nullptr,
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"porting::openURIAndroid unable to find java openURI method");
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jstring jurl = jnienv->NewStringUTF(url.c_str());
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jnienv->CallVoidMethod(app_global->activity->clazz, url_open, jurl);
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}
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void shareFileAndroid(const std::string &path)
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{
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jmethodID url_open = jnienv->GetMethodID(nativeActivity, "shareFile",
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"(Ljava/lang/String;)V");
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FATAL_ERROR_IF(url_open == nullptr,
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"porting::shareFileAndroid unable to find java openURI method");
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jstring jurl = jnienv->NewStringUTF(path.c_str());
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jnienv->CallVoidMethod(app_global->activity->clazz, url_open, jurl);
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}
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int getInputDialogState()
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{
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jmethodID dialogstate = jnienv->GetMethodID(nativeActivity,
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"getDialogState", "()I");
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FATAL_ERROR_IF(dialogstate == nullptr,
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"porting::getInputDialogState unable to find java dialog state method");
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return jnienv->CallIntMethod(app_global->activity->clazz, dialogstate);
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}
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std::string getInputDialogValue()
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{
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jmethodID dialogvalue = jnienv->GetMethodID(nativeActivity,
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"getDialogValue", "()Ljava/lang/String;");
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FATAL_ERROR_IF(dialogvalue == nullptr,
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"porting::getInputDialogValue unable to find java dialog value method");
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jobject result = jnienv->CallObjectMethod(app_global->activity->clazz,
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dialogvalue);
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const char *javachars = jnienv->GetStringUTFChars((jstring) result, nullptr);
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std::string text(javachars);
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jnienv->ReleaseStringUTFChars((jstring) result, javachars);
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return text;
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}
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#ifndef SERVER
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float getDisplayDensity()
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{
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static bool firstrun = true;
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static float value = 0;
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if (firstrun) {
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jmethodID getDensity = jnienv->GetMethodID(nativeActivity,
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"getDensity", "()F");
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FATAL_ERROR_IF(getDensity == nullptr,
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"porting::getDisplayDensity unable to find java getDensity method");
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value = jnienv->CallFloatMethod(app_global->activity->clazz, getDensity);
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firstrun = false;
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}
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return value;
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}
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v2u32 getDisplaySize()
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{
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static bool firstrun = true;
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static v2u32 retval;
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if (firstrun) {
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jmethodID getDisplayWidth = jnienv->GetMethodID(nativeActivity,
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"getDisplayWidth", "()I");
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FATAL_ERROR_IF(getDisplayWidth == nullptr,
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"porting::getDisplayWidth unable to find java getDisplayWidth method");
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retval.X = jnienv->CallIntMethod(app_global->activity->clazz,
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getDisplayWidth);
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jmethodID getDisplayHeight = jnienv->GetMethodID(nativeActivity,
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"getDisplayHeight", "()I");
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FATAL_ERROR_IF(getDisplayHeight == nullptr,
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"porting::getDisplayHeight unable to find java getDisplayHeight method");
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retval.Y = jnienv->CallIntMethod(app_global->activity->clazz,
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getDisplayHeight);
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firstrun = false;
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}
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return retval;
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}
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#endif // ndef SERVER
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}
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