//--------------------------------------------------------------------------------
// TapDetector
//--------------------------------------------------------------------------------
GESTURE_STATE TapDetector::Detect(const AInputEvent* motion_event) {
if (AMotionEvent_getPointerCount(motion_event) > 1) {
// Only support single touch
return false;
}
int32_t action = AMotionEvent_getAction(motion_event);
unsigned int flags = action & AMOTION_EVENT_ACTION_MASK;
switch (flags) {
case AMOTION_EVENT_ACTION_DOWN:
down_pointer_id_ = AMotionEvent_getPointerId(motion_event, 0);
down_x_ = AMotionEvent_getX(motion_event, 0);
down_y_ = AMotionEvent_getY(motion_event, 0);
break;
case AMOTION_EVENT_ACTION_UP: {
int64_t eventTime = AMotionEvent_getEventTime(motion_event);
int64_t downTime = AMotionEvent_getDownTime(motion_event);
if (eventTime - downTime <= TAP_TIMEOUT) {
if (down_pointer_id_ == AMotionEvent_getPointerId(motion_event, 0)) {
float x = AMotionEvent_getX(motion_event, 0) - down_x_;
float y = AMotionEvent_getY(motion_event, 0) - down_y_;
if (x * x + y * y < TOUCH_SLOP * TOUCH_SLOP * dp_factor_) {
LOGI("TapDetector: Tap detected");
return GESTURE_STATE_ACTION;
}
}
}
break;
}
}
return GESTURE_STATE_NONE;
}
void WindowImplAndroid::processScrollEvent(AInputEvent* _event, ActivityStates* states)
{
// Prepare the java virtual machine
jint lResult;
jint lFlags = 0;
JavaVM* lJavaVM = states->activity->vm;
JNIEnv* lJNIEnv = states->activity->env;
JavaVMAttachArgs lJavaVMAttachArgs;
lJavaVMAttachArgs.version = JNI_VERSION_1_6;
lJavaVMAttachArgs.name = "NativeThread";
lJavaVMAttachArgs.group = NULL;
lResult=lJavaVM->AttachCurrentThread(&lJNIEnv, &lJavaVMAttachArgs);
if (lResult == JNI_ERR)
err() << "Failed to initialize JNI, couldn't get the unicode value" << std::endl;
// Retrieve everything we need to create this MotionEvent in java
jlong downTime = AMotionEvent_getDownTime(_event);
jlong eventTime = AMotionEvent_getEventTime(_event);
jint action = AMotionEvent_getAction(_event);
jfloat x = AMotionEvent_getX(_event, 0);
jfloat y = AMotionEvent_getY(_event, 0);
jfloat pressure = AMotionEvent_getPressure(_event, 0);
jfloat size = AMotionEvent_getSize(_event, 0);
jint metaState = AMotionEvent_getMetaState(_event);
jfloat xPrecision = AMotionEvent_getXPrecision(_event);
jfloat yPrecision = AMotionEvent_getYPrecision(_event);
jint deviceId = AInputEvent_getDeviceId(_event);
jint edgeFlags = AMotionEvent_getEdgeFlags(_event);
// Create the MotionEvent object in java trough its static constructor obtain()
jclass ClassMotionEvent = lJNIEnv->FindClass("android/view/MotionEvent");
jmethodID StaticMethodObtain = lJNIEnv->GetStaticMethodID(ClassMotionEvent, "obtain", "(JJIFFFFIFFII)Landroid/view/MotionEvent;");
jobject ObjectMotionEvent = lJNIEnv->CallStaticObjectMethod(ClassMotionEvent, StaticMethodObtain, downTime, eventTime, action, x, y, pressure, size, metaState, xPrecision, yPrecision, deviceId, edgeFlags);
// Call its getAxisValue() method to get the delta value of our wheel move event
jmethodID MethodGetAxisValue = lJNIEnv->GetMethodID(ClassMotionEvent, "getAxisValue", "(I)F");
jfloat delta = lJNIEnv->CallFloatMethod(ObjectMotionEvent, MethodGetAxisValue, 0x00000001);
// Create and send our mouse wheel event
Event event;
event.type = Event::MouseWheelMoved;
event.mouseWheel.delta = static_cast<double>(delta);
event.mouseWheel.x = AMotionEvent_getX(_event, 0);
event.mouseWheel.y = AMotionEvent_getY(_event, 0);
forwardEvent(event);
// Dettach this thread from the JVM
lJavaVM->DetachCurrentThread();
}
bool InputService::onTouchEvent(AInputEvent* pEvent) {
#ifdef INPUTSERVICE_LOG_EVENTS
packt_Log_debug("AMotionEvent_getAction=%d", AMotionEvent_getAction(pEvent));
packt_Log_debug("AMotionEvent_getFlags=%d", AMotionEvent_getFlags(pEvent));
packt_Log_debug("AMotionEvent_getMetaState=%d", AMotionEvent_getMetaState(pEvent));
packt_Log_debug("AMotionEvent_getEdgeFlags=%d", AMotionEvent_getEdgeFlags(pEvent));
packt_Log_debug("AMotionEvent_getDownTime=%lld", AMotionEvent_getDownTime(pEvent));
packt_Log_debug("AMotionEvent_getEventTime=%lld", AMotionEvent_getEventTime(pEvent));
packt_Log_debug("AMotionEvent_getXOffset=%f", AMotionEvent_getXOffset(pEvent));
packt_Log_debug("AMotionEvent_getYOffset=%f", AMotionEvent_getYOffset(pEvent));
packt_Log_debug("AMotionEvent_getXPrecision=%f", AMotionEvent_getXPrecision(pEvent));
packt_Log_debug("AMotionEvent_getYPrecision=%f", AMotionEvent_getYPrecision(pEvent));
packt_Log_debug("AMotionEvent_getPointerCount=%d", AMotionEvent_getPointerCount(pEvent));
packt_Log_debug("AMotionEvent_getRawX=%f", AMotionEvent_getRawX(pEvent, 0));
packt_Log_debug("AMotionEvent_getRawY=%f", AMotionEvent_getRawY(pEvent, 0));
packt_Log_debug("AMotionEvent_getX=%f", AMotionEvent_getX(pEvent, 0));
packt_Log_debug("AMotionEvent_getY=%f", AMotionEvent_getY(pEvent, 0));
packt_Log_debug("AMotionEvent_getPressure=%f", AMotionEvent_getPressure(pEvent, 0));
packt_Log_debug("AMotionEvent_getSize=%f", AMotionEvent_getSize(pEvent, 0));
packt_Log_debug("AMotionEvent_getOrientation=%f", AMotionEvent_getOrientation(pEvent, 0));
packt_Log_debug("AMotionEvent_getTouchMajor=%f", AMotionEvent_getTouchMajor(pEvent, 0));
packt_Log_debug("AMotionEvent_getTouchMinor=%f", AMotionEvent_getTouchMinor(pEvent, 0));
#endif
const float TOUCH_MAX_RANGE = 65.0f; // In pixels.
if (mRefPoint != NULL) {
if (AMotionEvent_getAction(pEvent)
== AMOTION_EVENT_ACTION_MOVE) {
// Needs a conversion to proper coordinates
// (origin at bottom/left). Only lMoveY needs it.
float lMoveX = AMotionEvent_getX(pEvent, 0)
- mRefPoint->mPosX;
float lMoveY = mHeight - AMotionEvent_getY(pEvent, 0)
- mRefPoint->mPosY;
float lMoveRange = sqrt((lMoveX * lMoveX)
+ (lMoveY * lMoveY));
if (lMoveRange > TOUCH_MAX_RANGE) {
float lCropFactor = TOUCH_MAX_RANGE / lMoveRange;
lMoveX *= lCropFactor; lMoveY *= lCropFactor;
}
mHorizontal = lMoveX / TOUCH_MAX_RANGE;
mVertical = lMoveY / TOUCH_MAX_RANGE;
} else {
mHorizontal = 0.0f; mVertical = 0.0f;
}
}
return true;
}
/**
* @brief
* Call this to process the next motion input event
*/
void AndroidMouseDevice::OnMotionInputEvent(const struct AInputEvent &cAMotionInputEvent)
{
// Get the number of pointers of data contained in this event
const size_t nAndroidPointerCount = AMotionEvent_getPointerCount(&cAMotionInputEvent);
if (nAndroidPointerCount) {
// Get the current X and Y coordinate of this event for the given pointer index
m_fMousePositionX = AMotionEvent_getX(&cAMotionInputEvent, 0);
m_fMousePositionY = AMotionEvent_getY(&cAMotionInputEvent, 0);
m_fMousePressure = AMotionEvent_getPressure(&cAMotionInputEvent, 0);
// Get the combined motion event action code and the action code
const int32_t nAndroidCombinedAction = AMotionEvent_getAction(&cAMotionInputEvent);
const int32_t nAndroidAction = (nAndroidCombinedAction & AMOTION_EVENT_ACTION_MASK);
// Touch end?
if (nAndroidAction == AMOTION_EVENT_ACTION_UP) {
// Jap, touch end, previous mouse position = current mouse position
m_fPreviousMousePositionX = m_fMousePositionX;
m_fPreviousMousePositionY = m_fMousePositionY;
m_fPreviousMousePressure = m_fMousePressure;
// Mouse moved during the current touch? If no, this is handled as a left mouse button click as well.
if (!m_bMouseMoved && !m_bLeftMouseButton) {
// Check if input device is valid
if (m_pDevice) {
// Get mouse device
Mouse *pMouse = static_cast<Mouse*>(m_pDevice);
// Update button
if (pMouse->Left.IsPressed() != true)
pMouse->Left.SetPressed(true);
}
}
// The left mouse button is now no longer down
m_bLeftMouseButton = false;
} else {
// Touch start?
if (nAndroidAction == AMOTION_EVENT_ACTION_DOWN) {
// Jap, touch start, previous mouse position = current mouse position
m_fPreviousMousePositionX = m_fMousePositionX;
m_fPreviousMousePositionY = m_fMousePositionY;
m_fPreviousMousePressure = m_fMousePressure;
// The mouse was not yet moved
m_bMouseMoved = false;
// The left mouse button is not pressed
m_bLeftMouseButton = false;
}
// As long as the mouse was not yet moved, a "left mouse button is hold down" can still be generated
if (!m_bMouseMoved && !m_bLeftMouseButton) {
// Get the past time since the touch has been started (in nanoseconds)
const int64_t nPastTime = AMotionEvent_getEventTime(&cAMotionInputEvent) - AMotionEvent_getDownTime(&cAMotionInputEvent);
// If the mouse has not been moved for half a second, we go into "left mouse button is hold down"-mode
if (nPastTime > 500*1000*1000) {
// The left mouse button is now down
m_bLeftMouseButton = true;
}
}
}
}
}
bool InputService::onTrackballEvent(AInputEvent* pEvent) {
#ifdef INPUTSERVICE_LOG_EVENTS
packt_Log_debug("AMotionEvent_getAction=%d", AMotionEvent_getAction(pEvent));
packt_Log_debug("AMotionEvent_getFlags=%d", AMotionEvent_getFlags(pEvent));
packt_Log_debug("AMotionEvent_getMetaState=%d", AMotionEvent_getMetaState(pEvent));
packt_Log_debug("AMotionEvent_getEdgeFlags=%d", AMotionEvent_getEdgeFlags(pEvent));
packt_Log_debug("AMotionEvent_getDownTime=%lld", AMotionEvent_getDownTime(pEvent));
packt_Log_debug("AMotionEvent_getEventTime=%lld", AMotionEvent_getEventTime(pEvent));
packt_Log_debug("AMotionEvent_getXOffset=%f", AMotionEvent_getXOffset(pEvent));
packt_Log_debug("AMotionEvent_getYOffset=%f", AMotionEvent_getYOffset(pEvent));
packt_Log_debug("AMotionEvent_getXPrecision=%f", AMotionEvent_getXPrecision(pEvent));
packt_Log_debug("AMotionEvent_getYPrecision=%f", AMotionEvent_getYPrecision(pEvent));
packt_Log_debug("AMotionEvent_getPointerCount=%d", AMotionEvent_getPointerCount(pEvent));
packt_Log_debug("AMotionEvent_getRawX=%f", AMotionEvent_getRawX(pEvent, 0));
packt_Log_debug("AMotionEvent_getRawY=%f", AMotionEvent_getRawY(pEvent, 0));
packt_Log_debug("AMotionEvent_getX=%f", AMotionEvent_getX(pEvent, 0));
packt_Log_debug("AMotionEvent_getY=%f", AMotionEvent_getY(pEvent, 0));
packt_Log_debug("AMotionEvent_getPressure=%f", AMotionEvent_getPressure(pEvent, 0));
packt_Log_debug("AMotionEvent_getSize=%f", AMotionEvent_getSize(pEvent, 0));
packt_Log_debug("AMotionEvent_getOrientation=%f", AMotionEvent_getOrientation(pEvent, 0));
packt_Log_debug("AMotionEvent_getTouchMajor=%f", AMotionEvent_getTouchMajor(pEvent, 0));
packt_Log_debug("AMotionEvent_getTouchMinor=%f", AMotionEvent_getTouchMinor(pEvent, 0));
#endif
const float ORTHOGONAL_MOVE = 1.0f;
const float DIAGONAL_MOVE = 0.707f;
const float THRESHOLD = (1/100.0f);
if (AMotionEvent_getAction(pEvent) == AMOTION_EVENT_ACTION_MOVE) {
float lDirectionX = AMotionEvent_getX(pEvent, 0);
float lDirectionY = AMotionEvent_getY(pEvent, 0);
float lHorizontal, lVertical;
if (lDirectionX < -THRESHOLD) {
if (lDirectionY < -THRESHOLD) {
lHorizontal = -DIAGONAL_MOVE;
lVertical = DIAGONAL_MOVE;
} else if (lDirectionY > THRESHOLD) {
lHorizontal = -DIAGONAL_MOVE;
lVertical = -DIAGONAL_MOVE;
} else {
lHorizontal = -ORTHOGONAL_MOVE;
lVertical = 0.0f;
}
} else if (lDirectionX > THRESHOLD) {
if (lDirectionY < -THRESHOLD) {
lHorizontal = DIAGONAL_MOVE;
lVertical = DIAGONAL_MOVE;
} else if (lDirectionY > THRESHOLD) {
lHorizontal = DIAGONAL_MOVE;
lVertical = -DIAGONAL_MOVE;
} else {
lHorizontal = ORTHOGONAL_MOVE;
lVertical = 0.0f;
}
} else if (lDirectionY < -THRESHOLD) {
lHorizontal = 0.0f;
lVertical = ORTHOGONAL_MOVE;
} else if (lDirectionY > THRESHOLD) {
lHorizontal = 0.0f;
lVertical = -ORTHOGONAL_MOVE;
}
// Ends movement if there is a counter movement.
if ((lHorizontal < 0.0f) && (mHorizontal > 0.0f)) {
mHorizontal = 0.0f;
} else if ((lHorizontal > 0.0f) && (mHorizontal < 0.0f)) {
mHorizontal = 0.0f;
} else {
mHorizontal = lHorizontal;
}
if ((lVertical < 0.0f) && (mVertical > 0.0f)) {
mVertical = 0.0f;
} else if ((lVertical > 0.0f) && (mVertical < 0.0f)) {
mVertical = 0.0f;
} else {
mVertical = lVertical;
}
} else {
mHorizontal = 0.0f; mVertical = 0.0f;
}
return true;
}
bool OuyaInputView::dispatchGenericMotionEvent(AInputEvent* motionEvent)
{
int64_t downTime = AMotionEvent_getDownTime(motionEvent);
int64_t eventTime = AMotionEvent_getEventTime(motionEvent);
int32_t action = AMotionEvent_getAction(motionEvent);
int32_t metaState = AMotionEvent_getMetaState(motionEvent);
int32_t pointerCount = AMotionEvent_getPointerCount(motionEvent);
int32_t buttonState = AMotionEvent_getButtonState(motionEvent);
float xPrecision = AMotionEvent_getXPrecision(motionEvent);
float yPrecision = AMotionEvent_getYPrecision(motionEvent);
int32_t deviceId = AInputEvent_getDeviceId(motionEvent);
int32_t edgeFlags = AMotionEvent_getEdgeFlags(motionEvent);
int32_t flags = AMotionEvent_getFlags(motionEvent);
int32_t source = AInputEvent_getSource(motionEvent);
int* pointerPropertiesId = new int[pointerCount];
int* pointerPropertiesToolType = new int[pointerCount];
float* pointerCoordsOrientation = new float[pointerCount];
float* pointerCoordsPressure = new float[pointerCount];
float* pointerCoordsSize = new float[pointerCount];
float* pointerCoordsToolMajor = new float[pointerCount];
float* pointerCoordsToolMinor = new float[pointerCount];
float* pointerCoordsTouchMajor = new float[pointerCount];
float* pointerCoordsTouchMinor = new float[pointerCount];
float* pointerCoordsX = new float[pointerCount];
float* pointerCoordsY = new float[pointerCount];
std::vector<int> listAxisIndices;
std::vector<float> listAxisValues;
if (pointerCount > 0)
{
#if ENABLE_VERBOSE_LOGGING
__android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, "pointerCount=%d deviceId=%d source=%d",
pointerCount, deviceId, source);
#endif
// MotionEvent.PointerProperties
long long pointerId = AMotionEvent_getPointerId(motionEvent, 0);
int32_t toolType = AMotionEvent_getToolType(motionEvent, 0);
#if ENABLE_VERBOSE_LOGGING
__android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, "PointerProperties pointerId=%lld toolType-%d",
pointerId, toolType);
#endif
pointerPropertiesId[0] = pointerId;
pointerPropertiesToolType[0] = toolType;
// MotionEvent.PointerCoords
float orientation = AMotionEvent_getOrientation(motionEvent, pointerId);
float pressure = AMotionEvent_getPressure(motionEvent, pointerId);
float size = AMotionEvent_getSize(motionEvent, pointerId);
float toolMajor = AMotionEvent_getTouchMajor(motionEvent, pointerId);
float toolMinor = AMotionEvent_getToolMinor(motionEvent, pointerId);
float touchMajor = AMotionEvent_getTouchMajor(motionEvent, pointerId);
float touchMinor = AMotionEvent_getTouchMinor(motionEvent, pointerId);
float x = AMotionEvent_getX(motionEvent, pointerId);
float y = AMotionEvent_getY(motionEvent, pointerId);
#if ENABLE_VERBOSE_LOGGING
__android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, "PointerCoords orientation=%f pressure=%f size=%f toolMajor=%f toolMinor=%f touchMajor=%f touchMinor=%f x=%f y=%f",
orientation, pressure, size,
toolMajor, toolMinor, touchMajor, touchMinor,
x, y);
#endif
pointerCoordsOrientation[0] = orientation;
pointerCoordsPressure[0] = pressure;
pointerCoordsSize[0] = size;
pointerCoordsToolMajor[0] = toolMajor;
pointerCoordsToolMinor[0] = toolMinor;
pointerCoordsTouchMajor[0] = touchMajor;
pointerCoordsTouchMinor[0] = touchMinor;
pointerCoordsX[0] = x;
pointerCoordsY[0] = y;
for (int32_t axis = 0; axis < 50; ++axis) // 50 is based on the AXIS_value range I saw in the documentation
{
float val = AMotionEvent_getAxisValue(motionEvent, axis, pointerId);
if (val != 0.0f)
{
#if ENABLE_VERBOSE_LOGGING
__android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, "axis=%d val=%f", axis, val);
#endif
listAxisIndices.push_back(axis);
listAxisValues.push_back(val);
}
}
}
int axisCount = listAxisIndices.size();
int* axisIndexes = new int[axisCount];
float* axisValues = new float[axisCount];
for (int index = 0; index < axisCount; ++index)
{
axisIndexes[index] = listAxisIndices[index];
axisValues[index] = listAxisValues[index];
}
listAxisIndices.clear();
listAxisValues.clear();
bool handled = javaDispatchGenericMotionEvent(
downTime,
eventTime,
action,
pointerCount,
metaState,
buttonState,
xPrecision,
yPrecision,
deviceId,
edgeFlags,
source,
flags,
pointerPropertiesId,
pointerPropertiesToolType,
pointerCoordsOrientation,
pointerCoordsPressure,
pointerCoordsSize,
pointerCoordsToolMajor,
pointerCoordsToolMinor,
pointerCoordsTouchMajor,
pointerCoordsTouchMinor,
pointerCoordsX,
pointerCoordsY,
axisCount,
axisIndexes,
axisValues);
delete pointerPropertiesId;
delete pointerPropertiesToolType;
delete pointerCoordsOrientation;
delete pointerCoordsPressure;
delete pointerCoordsSize;
delete pointerCoordsToolMajor;
delete pointerCoordsToolMinor;
delete pointerCoordsTouchMajor;
delete pointerCoordsTouchMinor;
delete pointerCoordsX;
delete pointerCoordsY;
delete axisIndexes;
delete axisValues;
return handled;
}
