/**
* Extracts the touch point data from a MotionEvent, converts each point into a marshallable
* object and passes the set of points to the JNI layer to be transmitted to the remote host.
*
* @param event The event to send to the remote host for injection. NOTE: This object must be
* updated to represent the remote machine's coordinate system before calling this function.
*/
public void sendTouchEvent(MotionEvent event) {
int action = event.getActionMasked();
TouchEventData.EventType touchEventType = TouchEventData.EventType.fromMaskedAction(action);
List<TouchEventData> touchEventList = new ArrayList<TouchEventData>();
if (action == MotionEvent.ACTION_MOVE) {
// In order to process all of the events associated with an ACTION_MOVE event, we need
// to walk the list of historical events in order and add each event to our list, then
// retrieve the current move event data.
int pointerCount = event.getPointerCount();
int historySize = event.getHistorySize();
for (int h = 0; h < historySize; ++h) {
for (int p = 0; p < pointerCount; ++p) {
touchEventList.add(
new TouchEventData(
event.getPointerId(p),
event.getHistoricalX(p, h),
event.getHistoricalY(p, h),
event.getHistoricalSize(p, h),
event.getHistoricalSize(p, h),
event.getHistoricalOrientation(p, h),
event.getHistoricalPressure(p, h)));
}
}
for (int p = 0; p < pointerCount; p++) {
touchEventList.add(
new TouchEventData(
event.getPointerId(p),
event.getX(p),
event.getY(p),
event.getSize(p),
event.getSize(p),
event.getOrientation(p),
event.getPressure(p)));
}
} else {
// For all other events, we only want to grab the current/active pointer. The event
// contains a list of every active pointer but passing all of of these to the host can
// cause confusion on the remote OS side and result in broken touch gestures.
int activePointerIndex = event.getActionIndex();
touchEventList.add(
new TouchEventData(
event.getPointerId(activePointerIndex),
event.getX(activePointerIndex),
event.getY(activePointerIndex),
event.getSize(activePointerIndex),
event.getSize(activePointerIndex),
event.getOrientation(activePointerIndex),
event.getPressure(activePointerIndex)));
}
if (!touchEventList.isEmpty()) {
mInjector.sendTouchEvent(touchEventType, touchEventList.toArray(new TouchEventData[0]));
}
}
@Override
public boolean onTouchEvent(final MotionEvent ev) {
final MainView me = this;
final int action = ev.getAction();
int type = -1;
switch (action & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
type = etTouchBegin;
break;
case MotionEvent.ACTION_POINTER_DOWN:
type = etTouchBegin;
break;
case MotionEvent.ACTION_MOVE:
type = etTouchMove;
break;
case MotionEvent.ACTION_UP:
type = etTouchEnd;
break;
case MotionEvent.ACTION_POINTER_UP:
type = etTouchEnd;
break;
case MotionEvent.ACTION_CANCEL:
type = etTouchEnd;
break;
}
// Log.e("VIEW","Actions : " + action );
// This is actually index, not id....
int idx =
(action & MotionEvent.ACTION_POINTER_ID_MASK) >> (MotionEvent.ACTION_POINTER_ID_SHIFT);
final int t = type;
// if (type!=etTouchMove)
// Log.e("VIEW","onTouchEvent " + ev.toString() );
for (int i = 0; i < ev.getPointerCount(); i++) {
// Log.e("VIEW","onTouchEvent " + type + " x " + ev.getPointerCount() );
final int id = ev.getPointerId(i);
final float x = ev.getX(i);
final float y = ev.getY(i);
final float sizeX = ev.getSize(i);
final float sizeY = ev.getSize(i);
// if (type!=etTouchMove)
// Log.e("VIEW"," " + i + "] type=" + t + " id="+ id + " idx="+ idx +" " + x + ", "+ y + ","
// + sizeX + "," + sizeY);
if (type == etTouchMove || i == idx) {
queueEvent(
new Runnable() {
public void run() {
me.HandleResult(NME.onTouch(t, x, y, id, sizeX, sizeY));
}
});
}
}
return true;
}
// returns the WebTouchEvent::Type for the MotionEvent and -1 for failure
public static int createTouchPoints(MotionEvent event, TouchPoint[] pts) {
int type;
int defaultState;
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
type = TOUCH_EVENT_TYPE_START;
defaultState = TOUCH_POINT_STATE_PRESSED;
break;
case MotionEvent.ACTION_MOVE:
type = TOUCH_EVENT_TYPE_MOVE;
defaultState = TOUCH_POINT_STATE_MOVED;
break;
case MotionEvent.ACTION_UP:
type = TOUCH_EVENT_TYPE_END;
defaultState = TOUCH_POINT_STATE_RELEASED;
break;
case MotionEvent.ACTION_CANCEL:
type = TOUCH_EVENT_TYPE_CANCEL;
defaultState = TOUCH_POINT_STATE_CANCELLED;
break;
case MotionEvent.ACTION_POINTER_DOWN: // fall through.
case MotionEvent.ACTION_POINTER_UP:
type = TOUCH_EVENT_TYPE_MOVE;
defaultState = TOUCH_POINT_STATE_STATIONARY;
break;
default:
Log.e("Chromium", "Unknown motion event action: " + event.getActionMasked());
return CONVERSION_ERROR;
}
for (int i = 0; i < pts.length; ++i) {
int state = defaultState;
if (defaultState == TOUCH_POINT_STATE_STATIONARY && event.getActionIndex() == i) {
// An additional pointer has started or ended. Map this pointer state as
// required, and all other pointers as "stationary".
state =
event.getActionMasked() == MotionEvent.ACTION_POINTER_DOWN
? TOUCH_POINT_STATE_PRESSED
: TOUCH_POINT_STATE_RELEASED;
}
pts[i] =
new TouchPoint(
state,
event.getPointerId(i),
event.getX(i),
event.getY(i),
event.getSize(i),
event.getPressure(i));
}
return type;
}
public static void sendTouchEvent(MotionEvent event, int id) {
// @!ANDROID-4
touchBegin(id);
for (int i = 0; i < event.getPointerCount(); i++)
touchAdd(
id,
event.getPointerId(i),
getAction(i, event),
i == 0,
(int) event.getX(i),
(int) event.getY(i),
event.getSize(i),
event.getPressure(i));
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
touchEnd(id, 0);
break;
case MotionEvent.ACTION_UP:
touchEnd(id, 2);
break;
default:
touchEnd(id, 1);
}
// @!ANDROID-4
switch (event.getAction()) {
case MotionEvent.ACTION_UP:
mouseUp(id, (int) event.getX(), (int) event.getY());
break;
case MotionEvent.ACTION_DOWN:
mouseDown(id, (int) event.getX(), (int) event.getY());
m_oldx = (int) event.getX();
m_oldy = (int) event.getY();
break;
case MotionEvent.ACTION_MOVE:
int dx = (int) (event.getX() - m_oldx);
int dy = (int) (event.getY() - m_oldy);
if (Math.abs(dx) > m_moveThreshold || Math.abs(dy) > m_moveThreshold) {
mouseMove(id, (int) event.getX(), (int) event.getY());
m_oldx = (int) event.getX();
m_oldy = (int) event.getY();
}
break;
}
}
public void addMotionPoint(int index, int eventIndex, MotionEvent event) {
try {
PointF geckoPoint = new PointF(event.getX(eventIndex), event.getY(eventIndex));
geckoPoint = GeckoApp.mAppContext.getLayerView().convertViewPointToLayerPoint(geckoPoint);
mPoints[index] = new Point(Math.round(geckoPoint.x), Math.round(geckoPoint.y));
mPointIndicies[index] = event.getPointerId(eventIndex);
// getToolMajor, getToolMinor and getOrientation are API Level 9 features
if (Build.VERSION.SDK_INT >= 9) {
double radians = event.getOrientation(eventIndex);
mOrientations[index] = (float) Math.toDegrees(radians);
// w3c touchevents spec does not allow orientations == 90
// this shifts it to -90, which will be shifted to zero below
if (mOrientations[index] == 90) mOrientations[index] = -90;
// w3c touchevent radius are given by an orientation between 0 and 90
// the radius is found by removing the orientation and measuring the x and y
// radius of the resulting ellipse
// for android orientations >= 0 and < 90, the major axis should correspond to
// just reporting the y radius as the major one, and x as minor
// however, for a radius < 0, we have to shift the orientation by adding 90, and
// reverse which radius is major and minor
if (mOrientations[index] < 0) {
mOrientations[index] += 90;
mPointRadii[index] =
new Point(
(int) event.getToolMajor(eventIndex) / 2,
(int) event.getToolMinor(eventIndex) / 2);
} else {
mPointRadii[index] =
new Point(
(int) event.getToolMinor(eventIndex) / 2,
(int) event.getToolMajor(eventIndex) / 2);
}
} else {
float size = event.getSize(eventIndex);
Resources resources = GeckoApp.mAppContext.getResources();
DisplayMetrics displaymetrics = resources.getDisplayMetrics();
size = size * Math.min(displaymetrics.heightPixels, displaymetrics.widthPixels);
mPointRadii[index] = new Point((int) size, (int) size);
mOrientations[index] = 0;
}
mPressures[index] = event.getPressure(eventIndex);
} catch (Exception ex) {
Log.e(LOGTAG, "Error creating motion point " + index, ex);
mPointRadii[index] = new Point(0, 0);
mPoints[index] = new Point(0, 0);
}
}
/**
* Strips the last pointer from a {@link MotionEvent} and returns the modified event. Does not
* modify the original event.
*
* @param ev The MotionEvent to modify.
* @return The modified MotionEvent.
*/
private MotionEvent stripLastPointer(MotionEvent ev) {
ev.getPointerCount();
int removePointer = ev.getPointerCount() - 1;
int removePointerId = ev.getPointerId(removePointer);
long downTime = ev.getDownTime();
long eventTime = ev.getEventTime();
int action = ev.getAction();
int pointers = ev.getPointerCount() - 1;
int[] pointerIds = new int[pointers];
int metaState = ev.getMetaState();
float xPrecision = ev.getXPrecision();
float yPrecision = ev.getYPrecision();
int deviceId = ev.getDeviceId();
int edgeFlags = ev.getEdgeFlags();
switch (ev.getActionMasked()) {
case MotionEvent.ACTION_POINTER_DOWN:
case MotionEvent.ACTION_POINTER_UP:
action -= 0x100;
if (pointers == 1) {
action -= 0x5;
}
break;
}
MotionEvent event = null;
if (mCompatibilityMode) {
float x = ev.getX();
float y = ev.getY();
float pressure = ev.getPressure();
float size = ev.getSize();
event =
MotionEvent.obtain(
downTime,
eventTime,
action,
pointers,
x,
y,
pressure,
size,
metaState,
xPrecision,
yPrecision,
deviceId,
edgeFlags);
}
// XXX commented out to get this to compile !
/*
else {
PointerCoords[] pointerCoords = new PointerCoords[pointers];
int source = ev.getSource();
int flags = ev.getFlags();
for (int i = 0; i < pointers; i++) {
pointerIds[i] = ev.getPointerId(i);
pointerCoords[i] = new PointerCoords();
ev.getPointerCoords(i, pointerCoords[i]);
}
event = MotionEvent.obtain(downTime, eventTime, action, pointers, pointerIds,
pointerCoords, metaState, xPrecision, yPrecision, deviceId, edgeFlags, source,
flags);
}
*/
return event;
}
private void logMotionEvent(MotionEvent event, boolean gen) {
String s = gen ? "GenericMotionEvent from " : "TouchEvent from ";
s += printDevice(event.getDeviceId()) + " source " + printSource(event.getSource());
int pointerCount = event.getPointerCount();
String action;
switch (event.getActionMasked()) {
case MotionEvent.ACTION_CANCEL:
action = "cancel";
break;
case MotionEvent.ACTION_DOWN:
action = "down";
break;
case MotionEvent.ACTION_HOVER_ENTER:
action = "hover_enter";
break;
case MotionEvent.ACTION_HOVER_EXIT:
action = "hover_exit";
break;
case MotionEvent.ACTION_HOVER_MOVE:
action = "hover_move";
break;
case MotionEvent.ACTION_MOVE:
action = "move";
break;
case MotionEvent.ACTION_OUTSIDE:
action = "outside";
break;
case MotionEvent.ACTION_POINTER_DOWN:
action = "pointer_down";
break;
case MotionEvent.ACTION_POINTER_UP:
action = "pointer_up";
break;
case MotionEvent.ACTION_UP:
action = "up";
break;
case MotionEvent.ACTION_SCROLL:
action = "scroll";
break;
default:
action = "" + event.getAction();
break;
}
s +=
", action "
+ action
+ " pointer count "
+ pointerCount
+ " buttons "
+ event.getButtonState()
+ " RawX "
+ event.getRawX()
+ " RawY "
+ event.getRawY()
+ " MetaState "
+ event.getMetaState()
+ " Flags "
+ event.getFlags()
+ "\n";
for (int p = 0; p < pointerCount; p++) {
int ptrId = event.getPointerId(p);
s +=
"Pointer id "
+ ptrId
+ " X "
+ event.getX(p)
+ " Y "
+ event.getY(p)
+ " pressure "
+ event.getPressure(p)
+ " size "
+ event.getSize(p)
+ " orientation "
+ event.getOrientation(p)
+ // (float)Math.toDegrees(event.getOrientation(p)) +
" TouchMajor "
+ event.getTouchMajor(p)
+ " TouchMinor "
+ event.getTouchMinor(p)
+ " ToolMajor "
+ event.getToolMajor(p)
+ " ToolMinor "
+ event.getToolMinor(p)
+ "\n";
for (int i = 0; i < 255; i++) {
if (event.getAxisValue(i, p) != 0.0) {
s += "Axis " + i + " " + event.axisToString(i) + ": " + event.getAxisValue(i, p);
InputDevice device = InputDevice.getDevice(event.getDeviceId());
if (device != null) {
InputDevice.MotionRange range = device.getMotionRange(i);
if (range != null) s += " range " + range.getMin() + " to " + range.getMax();
}
s += "\n";
}
}
}
pushText(s);
}