1 files changed, 132 insertions, 0 deletions
diff --git a/Java/com_phidgets_DictionaryKeyListener.c b/Java/com_phidgets_DictionaryKeyListener.c
new file mode 100644
index 0000000..a4f6593
--- /dev/null
+++ b/Java/com_phidgets_DictionaryKeyListener.c
@@ -0,0 +1,132 @@
+#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;
+}