/* (non-Javadoc)
* @see com.google.android.maps.MapView#onTouchEvent(android.view.MotionEvent)
*/
@Override
public boolean onTouchEvent(MotionEvent ev) {
int action = ev.getAction();
int t;
switch (action) {
case MotionEvent.ACTION_DOWN:
clicked = true;
break;
case MotionEvent.ACTION_MOVE:
clicked = false;
t = ev.getHistorySize();
geoPoint = getProjection().fromPixels((int) ev.getX(t), (int) ev.getY(t));
break;
case MotionEvent.ACTION_UP:
if (clicked) {
t = ev.getHistorySize();
geoPoint = getProjection().fromPixels((int) ev.getX(t), (int) ev.getY(t));
getController().animateTo(geoPoint);
invalidate();
// getPositionBtn.setEnabled(true);
}
break;
}
// TODO Auto-generated method stub
return super.onTouchEvent(ev);
}
private void track(MotionEvent event) {
mX.saveTouchPos();
mY.saveTouchPos();
for (int i = 0; i < event.getHistorySize(); i++) {
track(
event.getHistoricalX(0, i), event.getHistoricalY(0, i), event.getHistoricalEventTime(i));
}
track(event.getX(0), event.getY(0), event.getEventTime());
if (stopped()) {
if (mState == PanZoomState.PANNING) {
setState(PanZoomState.PANNING_HOLD);
} else if (mState == PanZoomState.PANNING_LOCKED) {
setState(PanZoomState.PANNING_HOLD_LOCKED);
} else {
// should never happen, but handle anyway for robustness
Log.e(LOGTAG, "Impossible case " + mState + " when stopped in track");
setState(PanZoomState.PANNING_HOLD_LOCKED);
}
}
mX.startPan();
mY.startPan();
updatePosition();
}
public boolean onTouch(View view, MotionEvent event) {
float x = event.getX();
float y = event.getY();
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
path.moveTo(x, y);
return true;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_MOVE:
l = x;
r = x;
t = y;
b = y;
for (int i = 0; i < event.getHistorySize(); i++) {
float newX = event.getHistoricalX(i);
float newY = event.getHistoricalY(i);
path.lineTo(newX, newY);
l = newX < l ? newX : l;
t = newY < t ? newY : t;
r = newX > r ? newX : r;
b = newY > b ? newY : b;
}
rect.set(l, t, r, b);
Log.d("TAG", rect.toShortString());
invalidate(
(int) rect.left - 5, (int) rect.top - 5, (int) rect.right + 5, (int) rect.bottom + 5);
break;
default:
}
return super.onTouchEvent(event);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
float mCurX;
float mCurY;
// API level 9 and above supports "Major" property on event which
// gives
// the size of the touch area at the point of contact
// so for now we just hard code
float TOUCH_AREA_SIZE = penWidth;
int action = event.getAction();
if (action != MotionEvent.ACTION_UP && action != MotionEvent.ACTION_CANCEL) {
int N = event.getHistorySize();
int P = event.getPointerCount();
for (int i = 0; i < N; i++) {
for (int j = 0; j < P; j++) {
mCurX = event.getHistoricalX(j, i);
mCurY = event.getHistoricalY(j, i);
drawPoint(mCurX, mCurY, event.getHistoricalPressure(j, i), TOUCH_AREA_SIZE);
}
}
for (int j = 0; j < P; j++) {
mCurX = event.getX(j);
mCurY = event.getY(j);
drawPoint(mCurX, mCurY, event.getPressure(j), TOUCH_AREA_SIZE);
}
}
unsaved = true;
return true;
}
// @!ANDROID-4
private static int getAction(int index, MotionEvent event) {
int action = event.getAction();
if (action == MotionEvent.ACTION_MOVE) {
int hsz = event.getHistorySize();
if (hsz > 0) {
if (Math.abs(event.getX(index) - event.getHistoricalX(index, hsz - 1)) > 1
|| Math.abs(event.getY(index) - event.getHistoricalY(index, hsz - 1)) > 1) return 1;
else return 2;
}
return 1;
}
switch (index) {
case 0:
if (action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_POINTER_1_DOWN)
return 0;
if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_POINTER_1_UP) return 3;
break;
case 1:
if (action == MotionEvent.ACTION_POINTER_2_DOWN
|| action == MotionEvent.ACTION_POINTER_DOWN) return 0;
if (action == MotionEvent.ACTION_POINTER_2_UP || action == MotionEvent.ACTION_POINTER_UP)
return 3;
break;
case 2:
if (action == MotionEvent.ACTION_POINTER_3_DOWN
|| action == MotionEvent.ACTION_POINTER_DOWN) return 0;
if (action == MotionEvent.ACTION_POINTER_3_UP || action == MotionEvent.ACTION_POINTER_UP)
return 3;
break;
}
return 2;
}
@Override
public boolean onTouchEvent(final ViewGroup view, final MotionEvent event) {
if (mIsVerticalScrolling && !mController.isScrolling() || mShouldDisableScroll) return true;
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
{
mTempDeltaX = 0;
mTotalMoveX = 0;
mTotalMoveY = 0;
mActualMoveX = 0;
mIsVerticalScrolling = false;
mController.reset();
break;
}
case MotionEvent.ACTION_MOVE:
{
final int hist_size = event.getHistorySize();
if (hist_size == 0) {
break;
}
final float distanceX = mTempDeltaX = event.getX() - event.getHistoricalX(0);
mActualMoveX = mTotalMoveX += mTempDeltaX;
mController.scrollBy((int) -distanceX);
break;
}
}
return true;
}
// The following methods are taken from the controller sample on the
// Android Developer web site:
// https://developer.android.com/training/game-controllers/controller-input.html
private void dispatchMotionEvent(int id, MotionEvent event) {
if (id != -1) {
final int historySize = event.getHistorySize();
for (int i = 0; i < historySize; i++) {
processMouseInput(id, event, i);
}
processMouseInput(id, event, -1);
}
}
/**
* 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(MotionEvent event) {
float mCurX;
float mCurY;
ArrayList<Point> eraserpoints = new ArrayList<Point>();
int action = event.getAction();
if (action != MotionEvent.ACTION_UP && action != MotionEvent.ACTION_CANCEL) {
// Log.d(TAG, "PEN UP");
}
if (action == MotionEvent.ACTION_DOWN) {
// start recording points
mCurrentPath = new Path();
mCurrentPath.moveTo(event.getX(), event.getY());
}
if (action == MotionEvent.ACTION_MOVE) {
// start recording points
int N = event.getHistorySize();
int P = event.getPointerCount();
for (int i = 0; i < N; i++) {
for (int j = 0; j < P; j++) {
mCurX = event.getHistoricalX(j, i);
mCurY = event.getHistoricalY(j, i);
if (mEraserMode == true) {
if (eraserpoints != null) {
eraserpoints.add(new Point(Math.round(mCurX), Math.round(mCurY)));
} else {
Log.e(TAG, "no eraserpoints array defined, skipping adding erase point");
}
} else {
if (mCurrentPath != null) {
mCurrentPath.lineTo(mCurX, mCurY);
} else {
Log.e(TAG, "NO PATH TO ADD POINT" + mCurX + "," + mCurY);
}
}
}
}
if (mCurrentPath != null) {
mCurrentPath.lineTo(event.getX(), event.getY());
mCanvas.drawPath(mCurrentPath, (mEraserMode == true ? mEraserPainter : mPenPainter));
invalidate();
} else {
Log.e(TAG, "Missing CurrentPath object");
}
}
mUnsaved = true;
return true;
}
public void c(MotionEvent paramMotionEvent) {
int j = paramMotionEvent.getHistorySize();
int i = 0;
while (i < j) {
a(
paramMotionEvent.getActionMasked(),
paramMotionEvent.getHistoricalX(0, i),
paramMotionEvent.getHistoricalY(0, i));
i += 1;
}
a(paramMotionEvent.getActionMasked(), paramMotionEvent.getX(), paramMotionEvent.getY());
}
@Override
public boolean onTouch(final View view, final MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
{
mTempDeltaX = 0;
mTotalMoveX = 0;
mIsScrolling = false;
// final View layout = mParent.getRightPaneLayout();
mShouldDisableScroll =
!(mContext instanceof DualPaneActivity
&& ((DualPaneActivity) mContext).isRightPaneUsed());
if (!mShouldDisableScroll) {
mController.reset();
} else return false;
break;
}
case MotionEvent.ACTION_MOVE:
{
if (mShouldDisableScroll) return false;
final int hist_size = event.getHistorySize();
if (hist_size == 0) {
break;
}
final float distanceX = mTempDeltaX = event.getX() - event.getHistoricalX(0);
mTotalMoveX += mTempDeltaX;
if (Math.abs(mTotalMoveX) >= mScaledTouchSlop) {
mIsScrolling = true;
}
if (mIsScrolling) {
mController.scrollBy((int) -distanceX);
}
break;
}
case MotionEvent.ACTION_UP:
{
if (mIsScrolling) {
mController.release(-mTempDeltaX, -mTotalMoveX);
}
mTempDeltaX = 0;
mTotalMoveX = 0;
mIsScrolling = false;
if (mShouldDisableScroll) {
mShouldDisableScroll = false;
return false;
}
mShouldDisableScroll = false;
break;
}
}
return true;
}
protected MotionEvent createLongLeftMoveEvent() {
MotionEvent event = mock(MotionEvent.class);
when(event.getAction()).thenReturn(MotionEvent.ACTION_MOVE);
when(event.getX()).thenReturn(50f);
when(event.getY()).thenReturn(150f);
when(event.getX(0)).thenReturn(50f);
when(event.getY(0)).thenReturn(150f);
when(event.getHistorySize()).thenReturn(1);
when(event.getHistoricalX(eq(0))).thenReturn(100f);
when(event.getHistoricalY(eq(0))).thenReturn(200f);
when(event.getHistoricalX(eq(0), eq(0))).thenReturn(100f);
when(event.getHistoricalY(eq(0), eq(0))).thenReturn(200f);
return event;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
float eventX = event.getX();
float eventY = event.getY();
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
path.moveTo(eventX, eventY);
lastTouchX = eventX;
lastTouchY = eventY;
// There is no end point yet, so don't waste cycles invalidating.
return true;
case MotionEvent.ACTION_MOVE:
case MotionEvent.ACTION_UP:
// Start tracking the dirty region.
resetDirtyRect(eventX, eventY);
// When the hardware tracks events faster than they are delivered, the
// event will contain a history of those skipped points.
int historySize = event.getHistorySize();
for (int i = 0; i < historySize; i++) {
float historicalX = event.getHistoricalX(i);
float historicalY = event.getHistoricalY(i);
expandDirtyRect(historicalX, historicalY);
path.lineTo(historicalX, historicalY);
}
// After replaying history, connect the line to the touch point.
path.lineTo(eventX, eventY);
break;
default:
Log.d("default", "Ignored touch event: " + event.toString());
return false;
}
// Include half the stroke width to avoid clipping.
invalidate(
(int) (dirtyRect.left - HALF_STROKE_WIDTH),
(int) (dirtyRect.top - HALF_STROKE_WIDTH),
(int) (dirtyRect.right + HALF_STROKE_WIDTH),
(int) (dirtyRect.bottom + HALF_STROKE_WIDTH));
lastTouchX = eventX;
lastTouchY = eventY;
return true;
}
/**
* Add a user's movement to the tracker. You should call this for the initial {@link
* MotionEvent#ACTION_DOWN}, the following {@link MotionEvent#ACTION_MOVE} events that you
* receive, and the final {@link MotionEvent#ACTION_UP}. You can, however, call this for whichever
* events you desire.
*
* @param ev The MotionEvent you received and would like to track.
*/
public void addMovement(MotionEvent ev) {
final int mN = ev.getHistorySize();
if (++mLastTouch >= NUM_PAST) {
mLastTouch = 0;
}
for (int i = 0; i < mN; ++i) {
mPastX[mLastTouch] = ev.getHistoricalX(i);
mPastY[mLastTouch] = ev.getHistoricalY(i);
mPastTime[mLastTouch] = ev.getHistoricalEventTime(i);
if (++mLastTouch >= NUM_PAST) {
mLastTouch = 0;
}
}
mPastX[mLastTouch] = ev.getX();
mPastY[mLastTouch] = ev.getY();
mPastTime[mLastTouch] = ev.getEventTime();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
float eventX = event.getX();
float eventY = event.getY();
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
path.moveTo(eventX, eventY);
lastTouchX = eventX;
lastTouchY = eventY;
return true;
case MotionEvent.ACTION_MOVE:
case MotionEvent.ACTION_UP:
resetDirtyRect(eventX, eventY);
int historySize = event.getHistorySize();
for (int i = 0; i < historySize; i++) {
float historicalX = event.getHistoricalX(i);
float historicalY = event.getHistoricalY(i);
expandDirtyRect(historicalX, historicalY);
path.lineTo(historicalX, historicalY);
}
path.lineTo(eventX, eventY);
break;
default:
return false;
}
invalidate(
(int) (dirtyRect.left - HALF_STROKE_WIDTH),
(int) (dirtyRect.top - HALF_STROKE_WIDTH),
(int) (dirtyRect.right + HALF_STROKE_WIDTH),
(int) (dirtyRect.bottom + HALF_STROKE_WIDTH));
lastTouchX = eventX;
lastTouchY = eventY;
return true;
}
@Override
public boolean onInterceptTouchEvent(final ViewGroup view, final MotionEvent event) {
mShouldDisableScroll =
!(isTouchEventHandled(view, event)
|| mContext instanceof DualPaneActivity
&& ((DualPaneActivity) mContext).isRightPaneUsed());
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
{
mFirstDownHandled = !mShouldDisableScroll;
mTempDeltaX = 0;
mTotalMoveX = 0;
mTotalMoveY = 0;
mActualMoveX = 0;
mIsVerticalScrolling = false;
if (mFirstDownHandled) {
mParent.animateOpen();
}
break;
}
case MotionEvent.ACTION_MOVE:
{
final int hist_size = event.getHistorySize();
if (hist_size == 0) {
break;
}
mTempDeltaX = event.getX() - event.getHistoricalX(0);
mTotalMoveX += mTempDeltaX;
final float deltaY = event.getY() - event.getHistoricalY(0);
mTotalMoveY += deltaY;
if (Math.abs(mTempDeltaX) > Math.abs(deltaY)
&& !mIsVerticalScrolling
&& Math.abs(mTotalMoveX) >= mScaledTouchSlop) return true;
if (Math.abs(mTempDeltaX) < Math.abs(deltaY)
&& Math.abs(mTotalMoveY) >= mScaledTouchSlop) {
mIsVerticalScrolling = true;
return false;
}
break;
}
}
return false;
}
/**
* adjust header padding according to motion event
*
* @param ev
*/
private void adjustHeaderPadding(MotionEvent ev) {
// adjust header padding according to motion event history
int pointerCount = ev.getHistorySize();
if (isVerticalFadingEdgeEnabled()) {
setVerticalScrollBarEnabled(false);
}
for (int i = 0; i < pointerCount; i++) {
if (currentHeaderStatus == HEADER_STATUS_DROP_DOWN_TO_LOAD
|| currentHeaderStatus == HEADER_STATUS_RELEASE_TO_LOAD) {
headerLayout.setPadding(
headerLayout.getPaddingLeft(),
(int)
(((ev.getHistoricalY(i) - actionDownPointY) - headerOriginalHeight)
/ headerPaddingTopRate),
headerLayout.getPaddingRight(),
headerLayout.getPaddingBottom());
}
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
//// System.out.println("flipStarted" + flipStarted);
if (flipStarted) {
return false;
}
// if (header.isSourceSelectMode()) {
// header.onTouchEvent(event);
// }
if (enlargedMode) {
current.onTouchEvent(event);
}
switch (event.getAction()) {
case MotionEvent.ACTION_MOVE:
if (event.getHistorySize() > 0 && !flipStarted) {
if (GestureUtil.flipRight(event)) {
lastFlipDirection = ACTION_HORIZONTAL;
flipPage(false);
} else if (GestureUtil.flipUp(event)) {
lastFlipDirection = ACTION_VERTICAL;
flipPage(false);
} else if (GestureUtil.flipLeft(event)) {
lastFlipDirection = ACTION_HORIZONTAL;
flipPage(true);
} else if (GestureUtil.flipDown(event)) {
lastFlipDirection = ACTION_VERTICAL;
flipPage(true);
}
} else {
// if (header.isSourceSelectMode())
header.onTouchEvent(event);
// pageIndexView.onTouchEvent(event);
}
break;
default:
break;
}
return true;
}
/**
* Process trackball events. Used mainly for fine-tuned color adjustment, or alternatively to
* switch between slider controls.
*/
@Override
public boolean dispatchTrackballEvent(MotionEvent event) {
float x = event.getX();
float y = event.getY();
// A longer event history implies faster trackball movement.
// Use it to infer a larger jump and therefore faster palette/slider adjustment.
int jump = event.getHistorySize() + 1;
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
{
}
break;
case MotionEvent.ACTION_MOVE:
{
// NEW_METHOD_WORK_NEEDED_HERE
// To add a new method, replicate and extend the appropriate entry in this list,
// depending on whether you use 1D or 2D controllers
switch (mMethod) {
case METHOD_HS_V_PALETTE:
if (mFocusedControl == 0) {
changeHSPalette(x, y, jump);
} else if (mFocusedControl == 1) {
if (y < 0) changeSlider(mFocusedControl, true, jump);
else if (y > 0) changeSlider(mFocusedControl, false, jump);
}
break;
}
}
break;
case MotionEvent.ACTION_UP:
{
}
break;
}
return true;
}
private void applyHeaderPadding(MotionEvent ev) {
// getHistorySize has been available since API 1
int pointerCount = ev.getHistorySize();
for (int p = 0; p < pointerCount; p++) {
if (mRefreshState == RELEASE_TO_REFRESH) {
if (isVerticalFadingEdgeEnabled()) {
setVerticalScrollBarEnabled(false);
}
int historicalY = (int) ev.getHistoricalY(p);
// Calculate the padding to apply, we divide by 1.7 to
// simulate a more resistant effect during pull.
int topPadding = (int) (((historicalY - mLastMotionY) - mRefreshViewHeight) / 1.7);
mRefreshView.setPadding(
mRefreshView.getPaddingLeft(),
topPadding,
mRefreshView.getPaddingRight(),
mRefreshView.getPaddingBottom());
}
}
}
private int detectSwipe(MotionEvent move) {
final int historySize = move.getHistorySize();
final int pointerCount = move.getPointerCount();
for (int p = 0; p < pointerCount; p++) {
final int pointerId = move.getPointerId(p);
final int i = findIndex(pointerId);
if (i != UNTRACKED_POINTER) {
for (int h = 0; h < historySize; h++) {
final long time = move.getHistoricalEventTime(h);
final float x = move.getHistoricalX(p, h);
final float y = move.getHistoricalY(p, h);
final int swipe = detectSwipe(i, time, x, y);
if (swipe != SWIPE_NONE) {
return swipe;
}
}
final int swipe = detectSwipe(i, move.getEventTime(), move.getX(p), move.getY(p));
if (swipe != SWIPE_NONE) {
return swipe;
}
}
}
return SWIPE_NONE;
}
private void handleActionMove(MotionEvent event) {
// Handle all recent motion events so we don't skip any cells even when the device
// is busy...
final int historySize = event.getHistorySize();
for (int i = 0; i < historySize + 1; i++) {
final float x = i < historySize ? event.getHistoricalX(i) : event.getX();
final float y = i < historySize ? event.getHistoricalY(i) : event.getY();
final int patternSizePreHitDetect = mPattern.size();
Cell hitCell = detectAndAddHit(x, y);
final int patternSize = mPattern.size();
if (hitCell != null && patternSize == 1) {
mPatternInProgress = true;
notifyPatternStarted();
}
// note current x and y for rubber banding of in progress patterns
final float dx = Math.abs(x - mInProgressX);
final float dy = Math.abs(y - mInProgressY);
if (dx + dy > mSquareWidth * 0.01f) {
float oldX = mInProgressX;
float oldY = mInProgressY;
mInProgressX = x;
mInProgressY = y;
if (mPatternInProgress && patternSize > 0) {
final ArrayList<Cell> pattern = mPattern;
final float radius = mSquareWidth * mDiameterFactor * 0.5f;
final Cell lastCell = pattern.get(patternSize - 1);
float startX = getCenterXForColumn(lastCell.column);
float startY = getCenterYForRow(lastCell.row);
float left;
float top;
float right;
float bottom;
final Rect invalidateRect = mInvalidate;
if (startX < x) {
left = startX;
right = x;
} else {
left = x;
right = startX;
}
if (startY < y) {
top = startY;
bottom = y;
} else {
top = y;
bottom = startY;
}
// Invalidate between the pattern's last cell and the current location
invalidateRect.set(
(int) (left - radius),
(int) (top - radius),
(int) (right + radius),
(int) (bottom + radius));
if (startX < oldX) {
left = startX;
right = oldX;
} else {
left = oldX;
right = startX;
}
if (startY < oldY) {
top = startY;
bottom = oldY;
} else {
top = oldY;
bottom = startY;
}
// Invalidate between the pattern's last cell and the previous location
invalidateRect.union(
(int) (left - radius),
(int) (top - radius),
(int) (right + radius),
(int) (bottom + radius));
// Invalidate between the pattern's new cell and the pattern's previous cell
if (hitCell != null) {
startX = getCenterXForColumn(hitCell.column);
startY = getCenterYForRow(hitCell.row);
if (patternSize >= 2) {
// (re-using hitcell for old cell)
hitCell = pattern.get(patternSize - 1 - (patternSize - patternSizePreHitDetect));
oldX = getCenterXForColumn(hitCell.column);
oldY = getCenterYForRow(hitCell.row);
if (startX < oldX) {
left = startX;
right = oldX;
} else {
left = oldX;
right = startX;
}
if (startY < oldY) {
top = startY;
bottom = oldY;
} else {
top = oldY;
bottom = startY;
}
} else {
left = right = startX;
top = bottom = startY;
}
final float widthOffset = mSquareWidth / 2f;
final float heightOffset = mSquareHeight / 2f;
invalidateRect.set(
(int) (left - widthOffset),
(int) (top - heightOffset),
(int) (right + widthOffset),
(int) (bottom + heightOffset));
}
invalidate(invalidateRect);
} else {
invalidate();
}
}
}
}
private void handleMove(MotionEvent event) {
int activeTarget = -1;
final int historySize = event.getHistorySize();
ArrayList<TargetDrawable> targets = mTargetDrawables;
int ntargets = targets.size();
float x = 0.0f;
float y = 0.0f;
int actionIndex = event.findPointerIndex(mPointerId);
if (actionIndex == -1) {
return; // no data for this pointer
}
for (int k = 0; k < historySize + 1; k++) {
float eventX =
k < historySize ? event.getHistoricalX(actionIndex, k) : event.getX(actionIndex);
float eventY =
k < historySize ? event.getHistoricalY(actionIndex, k) : event.getY(actionIndex);
// tx and ty are relative to wave center
float tx = eventX - mWaveCenterX;
float ty = eventY - mWaveCenterY;
float touchRadius = (float) Math.sqrt(dist2(tx, ty));
final float scale = touchRadius > mOuterRadius ? mOuterRadius / touchRadius : 1.0f;
float limitX = tx * scale;
float limitY = ty * scale;
double angleRad = Math.atan2(-ty, tx);
if (!mDragging) {
trySwitchToFirstTouchState(eventX, eventY);
}
if (mDragging) {
// For multiple targets, snap to the one that matches
final float snapRadius = mRingScaleFactor * mOuterRadius - mSnapMargin;
final float snapDistance2 = snapRadius * snapRadius;
// Find first target in range
for (int i = 0; i < ntargets; i++) {
TargetDrawable target = targets.get(i);
double targetMinRad = (i - 0.5) * 2 * Math.PI / ntargets;
double targetMaxRad = (i + 0.5) * 2 * Math.PI / ntargets;
if (target.isEnabled()) {
boolean angleMatches =
(angleRad > targetMinRad && angleRad <= targetMaxRad)
|| (angleRad + 2 * Math.PI > targetMinRad
&& angleRad + 2 * Math.PI <= targetMaxRad);
if (angleMatches && (dist2(tx, ty) > snapDistance2)) {
activeTarget = i;
}
}
}
}
x = limitX;
y = limitY;
}
if (!mDragging) {
return;
}
if (activeTarget != -1) {
switchToState(STATE_SNAP, x, y);
updateGlowPosition(x, y);
} else {
switchToState(STATE_TRACKING, x, y);
updateGlowPosition(x, y);
}
if (mActiveTarget != activeTarget) {
// Defocus the old target
if (mActiveTarget != -1) {
TargetDrawable target = targets.get(mActiveTarget);
target.setState(TargetDrawable.STATE_INACTIVE);
}
// Focus the new target
if (activeTarget != -1) {
TargetDrawable target = targets.get(activeTarget);
target.setState(TargetDrawable.STATE_FOCUSED);
final AccessibilityManager accessibilityManager =
(AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
if (accessibilityManager.isEnabled()) {
String targetContentDescription = getTargetDescription(activeTarget);
announceForAccessibility(targetContentDescription);
}
}
}
mActiveTarget = activeTarget;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
int action = event.getAction();
switch (action) {
case MotionEvent.ACTION_DOWN:
downX = event.getX();
downY = event.getY();
if (mPropagateClicks) propagatePressed(true);
break;
case MotionEvent.ACTION_MOVE:
try {
if (mPropagateClicks) {
float xDeltaTotal = event.getX() - downX;
float yDeltaTotal = event.getY() - downY;
if (Math.abs(xDeltaTotal) >= CLICK_SENSITIVITY
|| Math.abs(yDeltaTotal) >= CLICK_SENSITIVITY) {
propagatePressed(false);
}
}
float xDelta = event.getX() - downX;
float yDelta = event.getY() - downY;
if (event.getHistorySize() > 0) {
xDelta = event.getX() - event.getHistoricalX(0);
yDelta = event.getY() - event.getHistoricalY(0);
}
if (Math.abs(xDelta) > Math.abs(yDelta)) {
if (xDelta > 0 && getCurrentItem() == 0 && mPositionOffset == 0) {
return false;
} else if (xDelta < 0 && mPositionOffset == 0) {
if (getAdapter() != null) {
int current = getCurrentItem();
int count = getAdapter().getCount();
if (current >= (count - 1)) {
return false;
}
}
}
NestedViewPager.this.getParent().requestDisallowInterceptTouchEvent(true);
}
} catch (Exception e) {
// nothing
}
break;
case MotionEvent.ACTION_UP:
if (mPropagateClicks) {
propagatePressed(false);
float xDelta = event.getX() - downX;
float yDelta = event.getY() - downY;
if (Math.abs(xDelta) < CLICK_SENSITIVITY && Math.abs(yDelta) < CLICK_SENSITIVITY) {
propagateClicked();
}
}
break;
}
return super.onTouchEvent(event);
}
