// NOTE: This function executes on the hook thread! If you need to block
// please do so on another thread via your own event dispatcher.
void jni_EventDispatcher(uiohook_event * const event) {
jobject NativeInputEvent_object = NULL;
switch (event->type) {
/* The following start and stop functions are less than ideal for attaching JNI.
* TODO Consider moving threads out of the lib and into Java.
*/
case EVENT_THREAD_STARTED:
if ((*jvm)->GetEnv(jvm, (void **)(&env), jvm_attach_args.version) == JNI_EDETACHED) {
(*jvm)->AttachCurrentThread(jvm, (void **)(&env), &jvm_attach_args);
}
break;
case EVENT_THREAD_STOPPED:
// NOTE This callback may note be called from Windows under some circumstances.
if ((*jvm)->GetEnv(jvm, (void **)(&env), jvm_attach_args.version) == JNI_OK) {
if ((*jvm)->DetachCurrentThread(jvm) == JNI_OK) {
env = NULL;
}
}
break;
case EVENT_HOOK_ENABLED:
case EVENT_HOOK_DISABLED:
break;
case EVENT_KEY_PRESSED:
if (env != NULL) {
jint location;
if (jni_ConvertToJavaLocation(event->data.keyboard.keycode, &location) == JNI_OK) {
NativeInputEvent_object = (*env)->NewObject(
env,
org_jnativehook_keyboard_NativeKeyEvent->cls,
org_jnativehook_keyboard_NativeKeyEvent->init,
org_jnativehook_keyboard_NativeKeyEvent_NATIVE_KEY_PRESSED,
(jlong) event->time,
(jint) event->mask,
(jint) event->data.keyboard.rawcode,
(jint) event->data.keyboard.keycode,
(jchar) org_jnativehook_keyboard_NativeKeyEvent_CHAR_UNDEFINED,
location);
}
}
break;
case EVENT_KEY_RELEASED:
if (env != NULL) {
jint location;
if (jni_ConvertToJavaLocation(event->data.keyboard.keycode, &location) == JNI_OK) {
NativeInputEvent_object = (*env)->NewObject(
env,
org_jnativehook_keyboard_NativeKeyEvent->cls,
org_jnativehook_keyboard_NativeKeyEvent->init,
org_jnativehook_keyboard_NativeKeyEvent_NATIVE_KEY_RELEASED,
(jlong) event->time,
(jint) event->mask,
(jint) event->data.keyboard.rawcode,
(jint) event->data.keyboard.keycode,
(jchar) org_jnativehook_keyboard_NativeKeyEvent_CHAR_UNDEFINED,
location);
}
}
break;
case EVENT_KEY_TYPED:
if (env != NULL) {
jint location;
if (jni_ConvertToJavaLocation(event->data.keyboard.keycode, &location) == JNI_OK) {
NativeInputEvent_object = (*env)->NewObject(
env,
org_jnativehook_keyboard_NativeKeyEvent->cls,
org_jnativehook_keyboard_NativeKeyEvent->init,
org_jnativehook_keyboard_NativeKeyEvent_NATIVE_KEY_TYPED,
(jlong) event->time,
(jint) event->mask,
(jint) event->data.keyboard.rawcode,
(jint) org_jnativehook_keyboard_NativeKeyEvent_VK_UNDEFINED,
(jchar) event->data.keyboard.keychar,
location);
}
}
break;
case EVENT_MOUSE_PRESSED:
if (env != NULL) {
NativeInputEvent_object = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_PRESSED,
(jlong) event->time,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
}
break;
case EVENT_MOUSE_RELEASED:
if (env != NULL) {
NativeInputEvent_object = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_RELEASED,
(jlong) event->time,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
}
break;
case EVENT_MOUSE_CLICKED:
if (env != NULL) {
NativeInputEvent_object = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_CLICKED,
(jlong) event->time,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
}
break;
case EVENT_MOUSE_MOVED:
if (env != NULL) {
NativeInputEvent_object = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_MOVED,
(jlong) event->time,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
}
break;
case EVENT_MOUSE_DRAGGED:
if (env != NULL) {
NativeInputEvent_object = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_DRAGGED,
(jlong) event->time,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
}
break;
case EVENT_MOUSE_WHEEL:
if (env != NULL) {
NativeInputEvent_object = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseWheelEvent->cls,
org_jnativehook_mouse_NativeMouseWheelEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_WHEEL,
(jlong) event->time,
(jint) event->mask,
(jint) event->data.wheel.x,
(jint) event->data.wheel.y,
(jint) event->data.wheel.clicks,
(jint) event->data.wheel.type,
(jint) event->data.wheel.amount,
(jint) event->data.wheel.rotation);
}
break;
}
// NOTE It is assumed that we do not need to check env* for null because NativeInputEvent_object
// cannot be assigned if env* is NULL.
if (NativeInputEvent_object != NULL) {
// Create the global screen references up front to save time in the callback.
jobject GlobalScreen_object = (*env)->CallStaticObjectMethod(
env,
org_jnativehook_GlobalScreen->cls,
org_jnativehook_GlobalScreen->getInstance);
if (GlobalScreen_object != NULL) {
(*env)->CallVoidMethod(
env,
GlobalScreen_object,
org_jnativehook_GlobalScreen->dispatchEvent,
NativeInputEvent_object);
// Set the propagate flag from java.
event->reserved = (unsigned short) (*env)->GetShortField(
env,
NativeInputEvent_object,
org_jnativehook_NativeInputEvent->reserved);
(*env)->DeleteLocalRef(env, GlobalScreen_object);
}
else {
jni_Logger(env, LOG_LEVEL_ERROR, "%s [%u]: Failed to acquire GlobalScreen singleton!\n",
__FUNCTION__, __LINE__);
jni_ThrowException(env, "java/lang/NullPointerException", "GlobalScreen singleton is null.");
}
(*env)->DeleteLocalRef(env, NativeInputEvent_object);
}
}
// NOTE: This function executes on the hook thread! If you need to block
// please do so on another thread via your own event dispatcher.
void jni_EventDispatcher(uiohook_event * const event) {
JNIEnv *env;
if ((*jvm)->GetEnv(jvm, (void **)(&env), jvm_attach_args.version) == JNI_OK) {
jobject NativeInputEvent_obj = NULL;
jint location = org_jnativehook_keyboard_NativeKeyEvent_LOCATION_UNKNOWN;
switch (event->type) {
case EVENT_HOOK_DISABLED:
case EVENT_HOOK_ENABLED:
notifyHookThread(env);
return;
case EVENT_KEY_PRESSED:
if (jni_ConvertToJavaLocation(event->data.keyboard.keycode, &location) == JNI_OK) {
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_keyboard_NativeKeyEvent->cls,
org_jnativehook_keyboard_NativeKeyEvent->init,
org_jnativehook_keyboard_NativeKeyEvent_NATIVE_KEY_PRESSED,
(jint) event->mask,
(jint) event->data.keyboard.rawcode,
(jint) event->data.keyboard.keycode,
(jchar) org_jnativehook_keyboard_NativeKeyEvent_CHAR_UNDEFINED,
location);
}
break;
case EVENT_KEY_RELEASED:
if (jni_ConvertToJavaLocation(event->data.keyboard.keycode, &location) == JNI_OK) {
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_keyboard_NativeKeyEvent->cls,
org_jnativehook_keyboard_NativeKeyEvent->init,
org_jnativehook_keyboard_NativeKeyEvent_NATIVE_KEY_RELEASED,
(jint) event->mask,
(jint) event->data.keyboard.rawcode,
(jint) event->data.keyboard.keycode,
(jchar) org_jnativehook_keyboard_NativeKeyEvent_CHAR_UNDEFINED,
location);
}
break;
case EVENT_KEY_TYPED:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_keyboard_NativeKeyEvent->cls,
org_jnativehook_keyboard_NativeKeyEvent->init,
org_jnativehook_keyboard_NativeKeyEvent_NATIVE_KEY_TYPED,
(jint) event->mask,
(jint) event->data.keyboard.rawcode,
(jint) org_jnativehook_keyboard_NativeKeyEvent_VC_UNDEFINED,
(jchar) event->data.keyboard.keychar,
location);
break;
case EVENT_MOUSE_PRESSED:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_PRESSED,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
break;
case EVENT_MOUSE_RELEASED:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_RELEASED,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
break;
case EVENT_MOUSE_CLICKED:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_CLICKED,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
break;
case EVENT_MOUSE_MOVED:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_MOVED,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
break;
case EVENT_MOUSE_DRAGGED:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseEvent->cls,
org_jnativehook_mouse_NativeMouseEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_DRAGGED,
(jint) event->mask,
(jint) event->data.mouse.x,
(jint) event->data.mouse.y,
(jint) event->data.mouse.clicks,
(jint) event->data.mouse.button);
break;
case EVENT_MOUSE_WHEEL:
NativeInputEvent_obj = (*env)->NewObject(
env,
org_jnativehook_mouse_NativeMouseWheelEvent->cls,
org_jnativehook_mouse_NativeMouseWheelEvent->init,
org_jnativehook_mouse_NativeMouseEvent_NATIVE_MOUSE_WHEEL,
(jint) event->mask,
(jint) event->data.wheel.x,
(jint) event->data.wheel.y,
(jint) event->data.wheel.clicks,
(jint) event->data.wheel.type,
(jint) event->data.wheel.amount,
(jint) event->data.wheel.rotation,
(jint) event->data.wheel.direction);
break;
default:
jni_Logger(env, LOG_LEVEL_WARN, "%s [%u]: Unknown native event type: %#X\n",
__FUNCTION__, __LINE__, event->type);
break;
}
if (NativeInputEvent_obj != NULL) {
// Set the private when field to the native event time.
(*env)->SetShortField(
env,
NativeInputEvent_obj,
org_jnativehook_NativeInputEvent->when,
(jlong) event->time);
// Dispatch the event.
(*env)->CallStaticVoidMethod(
env,
org_jnativehook_GlobalScreen->cls,
org_jnativehook_GlobalScreen->dispatchEvent,
NativeInputEvent_obj);
// Set the propagate flag from java.
event->reserved = (unsigned short) (*env)->GetShortField(
env,
NativeInputEvent_obj,
org_jnativehook_NativeInputEvent->reserved);
// Make sure our object is garbage collected.
(*env)->DeleteLocalRef(env, NativeInputEvent_obj);
}
}
}
