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#include "../stdafx.h"
#include <stdlib.h>
#include "com_phidgets_Dictionary.h"
#include "../cphidgetdictionary.h"
#include "../csocket.h"
#include "phidget_jni.h"
static int CCONV
key_handler(CPhidgetDictionaryHandle h, void *arg, const char *key, const char *val, CPhidgetDictionary_keyChangeReason reason);
static jfieldID dictionaryKeyListener_handle_fid;
static jfieldID nativeHandler_fid;
static jfieldID nativeListener_fid;
static jmethodID keyChangeEvent_cons; //constructor
static jmethodID keyRemovalEvent_cons;
static jmethodID fireKeyChange_mid;
static jmethodID fireKeyRemoval_mid;
static jclass dicitonaryKeyListener_class;
static jclass keyChangeEvent_class;
static jclass keyRemovalEvent_class;
void
com_phidgets_DictionaryKeyListener_OnLoad(JNIEnv *env)
{
//DictionaryKeyListener
if (!(dicitonaryKeyListener_class = (*env)->FindClass(env, "com/phidgets/DictionaryKeyListener")))
JNI_ABORT_STDERR("Couldn't FindClass com/phidgets/DictionaryKeyListener");
if (!(dicitonaryKeyListener_class = (jclass)(*env)->NewGlobalRef(env, dicitonaryKeyListener_class)))
JNI_ABORT_STDERR("Couldn't create global ref dicitonaryKeyListener_class");
if (!(dictionaryKeyListener_handle_fid = (*env)->GetFieldID(env, dicitonaryKeyListener_class, "handle", "J")))
JNI_ABORT_STDERR("Couldn't get Field ID handle from dicitonaryKeyListener_class");
if (!(nativeHandler_fid = (*env)->GetFieldID(env, dicitonaryKeyListener_class, "nativeHandler", "J")))
JNI_ABORT_STDERR("Couldn't get Field ID nativeHandler from dicitonaryKeyListener_class");
if (!(nativeListener_fid = (*env)->GetFieldID(env, dicitonaryKeyListener_class, "listenerhandle", "J")))
JNI_ABORT_STDERR("Couldn't get Field ID listenerhandle from dicitonaryKeyListener_class");
if (!(fireKeyChange_mid = (*env)->GetMethodID(env, dicitonaryKeyListener_class, "fireKeyChange", "(Lcom/phidgets/event/KeyChangeEvent;)V")))
JNI_ABORT_STDERR("Couldn't get method ID fireKeyChange from dicitonaryKeyListener_class");
if (!(fireKeyRemoval_mid = (*env)->GetMethodID(env, dicitonaryKeyListener_class, "fireKeyRemoval", "(Lcom/phidgets/event/KeyRemovalEvent;)V")))
JNI_ABORT_STDERR("Couldn't get method ID fireKeyRemoval from dicitonaryKeyListener_class");
//KeyChangeEvent
if (!(keyChangeEvent_class = (*env)->FindClass(env, "com/phidgets/event/KeyChangeEvent")))
JNI_ABORT_STDERR("Couldn't FindClass com/phidgets/event/KeyChangeEvent");
if (!(keyChangeEvent_class = (jclass)(*env)->NewGlobalRef(env, keyChangeEvent_class)))
JNI_ABORT_STDERR("Couldn't create global ref keyChangeEvent_class");
if (!(keyChangeEvent_cons = (*env)->GetMethodID(env, keyChangeEvent_class, "<init>", "(Lcom/phidgets/Dictionary;Ljava/lang/String;Ljava/lang/String;)V")))
JNI_ABORT_STDERR("Couldn't get method ID <init> from keyChangeEvent_class");
//KeyRemovalEvent
if (!(keyRemovalEvent_class = (*env)->FindClass(env, "com/phidgets/event/KeyRemovalEvent")))
JNI_ABORT_STDERR("Couldn't FindClass com/phidgets/event/KeyRemovalEvent");
if (!(keyRemovalEvent_class = (jclass)(*env)->NewGlobalRef(env, keyRemovalEvent_class)))
JNI_ABORT_STDERR("Couldn't create global ref keyRemovalEvent_class");
if (!(keyRemovalEvent_cons = (*env)->GetMethodID(env, keyRemovalEvent_class, "<init>", "(Lcom/phidgets/Dictionary;Ljava/lang/String;Ljava/lang/String;)V")))
JNI_ABORT_STDERR("Couldn't get method ID <init> from keyRemovalEvent_class");
}
JNIEXPORT jlong JNICALL
Java_com_phidgets_DictionaryKeyListener_enableDictionaryKeyEvents(JNIEnv *env, jobject obj,
jboolean b, jstring pattern)
{
CPhidgetDictionaryListenerHandle keylistener;
jlong gr = updateGlobalRef(env, obj, nativeHandler_fid, b);
jboolean iscopy;
const char *textString = (*env)->GetStringUTFChars(
env, pattern, &iscopy);
CPhidgetDictionaryHandle h = (CPhidgetDictionaryHandle)(uintptr_t)
(*env)->GetLongField(env, obj, dictionaryKeyListener_handle_fid);
if(b)
{
CPhidgetDictionary_set_OnKeyChange_Handler(h, &keylistener, textString, b ? key_handler : 0,
(void *)(uintptr_t)gr);
}
else
{
keylistener = (CPhidgetDictionaryListenerHandle)(uintptr_t)
(*env)->GetLongField(env, obj, nativeListener_fid);
CPhidgetDictionary_remove_OnKeyChange_Handler(keylistener);
keylistener = NULL;
}
(*env)->ReleaseStringUTFChars(env, pattern, textString);
return (jlong)(uintptr_t)keylistener;
}
static int CCONV
key_handler(CPhidgetDictionaryHandle h, void *arg, const char *key, const char *val, CPhidgetDictionary_keyChangeReason reason)
{
JNIEnv *env;
jobject obj;
jobject keyEvent;
jstring k;
jstring v;
if ((*ph_vm)->AttachCurrentThread(ph_vm, (JNIEnvPtr)&env, NULL))
JNI_ABORT_STDERR("Couldn't AttachCurrentThread");
obj = (jobject)arg;
k=(*env)->NewStringUTF(env, key);
v=(*env)->NewStringUTF(env, val);
switch(reason)
{
case PHIDGET_DICTIONARY_ENTRY_REMOVING:
{
if (!(keyEvent = (*env)->NewObject(env, keyRemovalEvent_class, keyRemovalEvent_cons,
obj, k, v)))
return -1;
(*env)->CallVoidMethod(env, obj, fireKeyRemoval_mid, keyEvent);
break;
}
default:
{
if (!(keyEvent = (*env)->NewObject(env, keyChangeEvent_class, keyChangeEvent_cons,
obj, k, v)))
return -1;
(*env)->CallVoidMethod(env, obj, fireKeyChange_mid, keyEvent);
}
}
(*env)->DeleteLocalRef(env, keyEvent);
(*ph_vm)->DetachCurrentThread(ph_vm);
return 0;
}
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