irrlicht/source/Irrlicht/Android/CKeyEventWrapper.cpp

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// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "CKeyEventWrapper.h"
#include "os.h"
namespace irr
{
namespace jni
{
jclass CKeyEventWrapper::Class_KeyEvent = 0;
jmethodID CKeyEventWrapper::Method_constructor = 0;
jmethodID CKeyEventWrapper::Method_getUnicodeChar = 0;
CKeyEventWrapper::CKeyEventWrapper(JNIEnv *jniEnv, int action, int code) :
JniEnv(jniEnv), JniKeyEvent(0)
{
if (JniEnv) {
if (!Class_KeyEvent) {
// Find java classes & functions on first call
os::Printer::log("CKeyEventWrapper first initialize", ELL_DEBUG);
jclass localClass = JniEnv->FindClass("android/view/KeyEvent");
if (localClass) {
Class_KeyEvent = reinterpret_cast<jclass>(JniEnv->NewGlobalRef(localClass));
}
Method_constructor = JniEnv->GetMethodID(Class_KeyEvent, "<init>", "(II)V");
Method_getUnicodeChar = JniEnv->GetMethodID(Class_KeyEvent, "getUnicodeChar", "(I)I");
}
if (Class_KeyEvent && Method_constructor) {
JniKeyEvent = JniEnv->NewObject(Class_KeyEvent, Method_constructor, action, code);
} else {
os::Printer::log("CKeyEventWrapper didn't find JNI classes/methods", ELL_WARNING);
}
}
}
CKeyEventWrapper::~CKeyEventWrapper()
{
JniEnv->DeleteLocalRef(JniKeyEvent);
}
int CKeyEventWrapper::getUnicodeChar(int metaState)
{
return JniEnv->CallIntMethod(JniKeyEvent, Method_getUnicodeChar, metaState);
}
} // namespace jni
} // namespace irr