private HitTestResult hitTest(MotionEvent event) {
float x = event.getX();
float y = event.getY();
RectF area = generateRect(m_leftTop, HitRadius, HitRadius);
if (area.contains(x, y)) {
return HitTestResult.TopLeft;
}
area = generateRect(m_rightBottom, HitRadius, HitRadius);
if (area.contains(x, y)) {
return HitTestResult.BottomRight;
}
area = generateRect(m_leftBottom, HitRadius, HitRadius);
if (area.contains(x, y)) {
return HitTestResult.BottomLeft;
}
area = generateRect(m_rightTop, HitRadius, HitRadius);
if (area.contains(x, y)) {
return HitTestResult.TopRight;
}
return HitTestResult.Outside;
}
@Override
public boolean onTouchEvent(PointF point) {
if (routeLayer != null && routeLayer.getHelper().isRouterEnabled()) {
if (boundsForMiniRoute.contains(point.x, point.y)
&& routeLayer.getHelper().isFollowingMode()) {
showMiniMap = !showMiniMap;
view.refreshMap();
return true;
}
if (boundsForLeftTime.contains(point.x, point.y)
&& routeLayer.getHelper().isFollowingMode()) {
showArrivalTime = !showArrivalTime;
view.getSettings().SHOW_ARRIVAL_TIME_OTHERWISE_EXPECTED_TIME.set(showArrivalTime);
view.refreshMap();
return true;
}
}
if (cachedDistString != null && boundsForDist.contains(point.x, point.y)) {
AnimateDraggingMapThread thread = view.getAnimatedDraggingThread();
LatLon pointToNavigate = view.getSettings().getPointToNavigate();
if (pointToNavigate != null) {
int fZoom = view.getZoom() < 15 ? 15 : view.getZoom();
thread.startMoving(
pointToNavigate.getLatitude(), pointToNavigate.getLongitude(), fZoom, true);
}
}
return false;
}
// Returns true if the line segment defined by the given two points intersects the given
// rectangle.
public static boolean lineSegmentIntersectsRect(PointF p1, PointF p2, RectF r2) {
RectF line =
new RectF(
Math.min(p1.x, p2.x), Math.min(p1.y, p2.y), Math.max(p1.x, p2.x), Math.max(p1.y, p2.y));
// If the bounding box of the line segment intersects the rectangle or one contains the other,
// the line segment intersects the rectangle.
return RectF.intersects(line, r2) || line.contains(r2) || r2.contains(line);
}
public final boolean onSingleTapConfirmed(MotionEvent e) {
ImageView imageView = getImageView();
if (null != imageView) {
if (null != mPhotoTapListener) {
final RectF displayRect = getDisplayRect();
if (null != displayRect) {
final float x = e.getX(), y = e.getY();
// Check to see if the user tapped on the photo
if (displayRect.contains(x, y)) {
float xResult = (x - displayRect.left) / displayRect.width();
float yResult = (y - displayRect.top) / displayRect.height();
mPhotoTapListener.onPhotoTap(imageView, xResult, yResult);
return true;
}
}
}
if (null != mViewTapListener) {
mViewTapListener.onViewTap(imageView, e.getX(), e.getY());
}
}
return false;
}
@Override
public boolean onSingleTapConfirmed(MotionEvent e) {
if (this.photoViewAttacher == null) return false;
ImageView imageView = photoViewAttacher.getImageView();
if (null != photoViewAttacher.getOnPhotoTapListener()) {
final RectF displayRect = photoViewAttacher.getDisplayRect();
if (null != displayRect) {
final float x = e.getX(), y = e.getY();
// Check to see if the user tapped on the photo
if (displayRect.contains(x, y)) {
float xResult = (x - displayRect.left) / displayRect.width();
float yResult = (y - displayRect.top) / displayRect.height();
photoViewAttacher.getOnPhotoTapListener().onPhotoTap(imageView, xResult, yResult);
return true;
}
}
}
if (null != photoViewAttacher.getOnViewTapListener()) {
photoViewAttacher.getOnViewTapListener().onViewTap(imageView, e.getX(), e.getY());
}
return false;
}
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
for (int i = getChildCount() - 1; i >= 0; i--) {
View v = getChildAt(i);
if (v.getVisibility() != View.VISIBLE) continue;
Matrix m = getViewMatrix(v);
if (m != null) {
float[] points = new float[] {ev.getX(), ev.getY()};
RectF rect = new RectF(v.getLeft(), v.getTop(), v.getRight(), v.getBottom());
Matrix realM = new Matrix(m);
realM.preTranslate(-rect.left, -rect.top);
realM.postTranslate(rect.left, rect.top);
realM.mapRect(rect);
if (rect.contains((int) points[0], (int) points[1])) {
Matrix mi = new Matrix();
realM.invert(mi);
if (mi != null) {
mi.mapPoints(points);
ev.setEdgeFlags(
ev.getEdgeFlags() | FLAG_TRANSFORMED); // a trick to mark the event as transformed
ev.setLocation(
points[0], points[1]); // without the transform point the view wont receive it
return super.dispatchTouchEvent(ev);
}
}
}
}
Matrix m = getMyViewMatrix();
int flag = ev.getEdgeFlags();
if (m != null && ((flag & FLAG_TRANSFORMED) != FLAG_TRANSFORMED)) {
float[] points = new float[] {ev.getX(), ev.getY()}; // untransformed point
RectF rect = new RectF(getLeft(), getTop(), getRight(), getBottom()); // untransformed rect
Matrix realM = new Matrix(m);
realM.preTranslate(-rect.left, -rect.top);
realM.postTranslate(rect.left, rect.top);
realM.mapRect(rect);
points[0] += getLeft();
points[1] += getTop();
if (!rect.contains(points[0], points[1]) && ev.getAction() == MotionEvent.ACTION_DOWN) {
Log.d("FreeLayout", this + "not dispatching");
return false;
}
}
return super.dispatchTouchEvent(ev);
}
public int checkUnitChange(float x, float y) {
if (!DIMENSIONS.contains(x, y)) return -1;
if (y < UNIT_HEIGHT) {
return 0;
} else {
return 1;
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// TODO Auto-generated method stub
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
// 獲取按下點坐標
mDownX = event.getX();
mDownY = event.getY();
break;
case MotionEvent.ACTION_MOVE:
// 判斷是否為下游標
if (mCursorBottomDstRect.contains(mDownX, mDownY)) {
float offSetX = event.getX() - mDownX;
mCursorBottomDstRect.left = mCursorBottomDstRect.left + offSetX;
mCursorBottomDstRect.right = mCursorBottomDstRect.left + offSetX + mBitmap.getWidth();
mDownX = event.getX();
mDownY = event.getY();
invalidate();
}
// 判斷是否為上游標
if (mCursorTopDstRect.contains(mDownX, mDownY)) {
float offSetX = event.getX() - mDownX;
mCursorTopDstRect.left = mCursorTopDstRect.left + offSetX;
mCursorTopDstRect.right = mCursorTopDstRect.left + offSetX + mBitmap.getWidth();
mDownX = event.getX();
mDownY = event.getY();
invalidate();
}
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
// 手指抬起，校正游標位置
setCursorPositon(mTopCalibration, mCursorTopDstRect);
setCursorPositon(mBottomCalibration, mCursorBottomDstRect);
invalidate();
break;
default:
break;
}
return true;
}
private boolean moveTrackersIfNeeded(MotionEvent event) {
if (mStartTouchPoint == null) return false;
boolean update = false;
int startX = mStartTouchPoint.x;
int startY = mStartTouchPoint.y;
if (mHueRect.contains(startX, startY)) {
mLastTouchedPanel = PANEL_HUE;
mHue = pointToHue(event.getY());
update = true;
} else if (mSatValRect.contains(startX, startY)) {
mLastTouchedPanel = PANEL_SAT_VAL;
float[] result = pointToSatVal(event.getX(), event.getY());
mSat = result[0];
mVal = result[1];
update = true;
}
return update;
}
public boolean onTouchEvent(MotionEvent paramMotionEvent) {
if ((a.b()) || (!m)) {
return super.onTouchEvent(paramMotionEvent);
}
int n = paramMotionEvent.getAction();
float f1 = paramMotionEvent.getX();
float f2 = paramMotionEvent.getY();
switch (n) {
}
for (; ; ) {
return super.onTouchEvent(paramMotionEvent);
n = 0;
for (; ; ) {
if (n < e) {
RectF localRectF = (RectF) b.get(n);
if (localRectF.contains(f1, f2)) {
a(n);
c = localRectF;
}
} else {
invalidate();
break;
}
n += 1;
}
if ((c != null) && (!c.contains(f1, f2))) {
c();
continue;
if ((d != -1) && (f != null)) {
f.a(this, d, e);
}
c();
continue;
c();
}
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (mController.isIgnoringTouchEvents()) return false;
// prevent ray cast of touch events to actions container
getHitRect(mHitRect);
mHitRect.offset(-getScrollX(), -getScrollY());
// applying effects
mEffectedHitRect.set(mHitRect);
mController.getEffectsMatrix().mapRect(mEffectedHitRect);
if (mEffectedHitRect.contains((int) event.getX(), (int) event.getY())) {
return true;
}
return super.onTouchEvent(event);
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@Override
public int onTestSize(int suggestedSize, RectF availableSPace) {
mPaint.setTextSize(suggestedSize);
String text = getText().toString();
boolean singleline = getMaxLines() == 1;
if (singleline) {
mTextRect.bottom = mPaint.getFontSpacing();
mTextRect.right = mPaint.measureText(text);
} else {
StaticLayout layout =
new StaticLayout(
text,
mPaint,
mWidthLimit,
Alignment.ALIGN_NORMAL,
mSpacingMult,
mSpacingAdd,
true);
// return early if we have more lines
if (getMaxLines() != NO_LINE_LIMIT && layout.getLineCount() > getMaxLines()) {
return 1;
}
mTextRect.bottom = layout.getHeight();
int maxWidth = -1;
for (int i = 0; i < layout.getLineCount(); i++) {
if (maxWidth < layout.getLineWidth(i)) {
maxWidth = (int) layout.getLineWidth(i);
}
}
mTextRect.right = maxWidth;
}
mTextRect.offsetTo(0, 0);
if (availableSPace.contains(mTextRect)) {
// may be too small, don't worry we will find the best match
return -1;
} else {
// too big
return 1;
}
}
/** Test whether an information balloon should be displayed or a prior balloon hidden. */
private MapLocation getHitMapLocation(MapView mapView, GeoPoint tapPoint) {
/** Tracking the clicks on MapLocation */
MapLocation hitMapLocation = null;
RectF hitTestRecr = new RectF();
Point screenCoords = new Point();
Iterator<MapLocation> iterator = mLocationViewers.getMapLocations().iterator();
while (iterator.hasNext()) {
MapLocation testLocation = iterator.next();
Bitmap bubbleIcon = testLocation.isSpecial() ? mBubbleIconSpecial : mBubbleIcon;
/** This is used to translate the map's lat/long coordinates to screen's coordinates */
mapView
.getProjection()
.toPixels(
new GeoPoint(testLocation.getLatitude(), testLocation.getLongitude()), screenCoords);
// Create a testing Rectangle with the size and coordinates of our icon
// Set the testing Rectangle with the size and coordinates of our on screen icon
hitTestRecr.set(
-bubbleIcon.getWidth() / 2, -bubbleIcon.getHeight(), bubbleIcon.getWidth() / 2, 0);
hitTestRecr.offset(screenCoords.x, screenCoords.y);
// At last test for a match between our Rectangle and the location clicked by the user
mapView.getProjection().toPixels(tapPoint, screenCoords);
if (hitTestRecr.contains(screenCoords.x, screenCoords.y)) {
hitMapLocation = testLocation;
break;
}
}
// Finally clear the new MouseSelection as its process finished
tapPoint = null;
return hitMapLocation;
}
private GeoTrack getHitMapLocation(MapView mapView, IGeoPoint tapPoint) {
// Track which MapLocation was hit...if any
GeoTrack result = null;
RectF tapPointHitTestRect = new RectF();
Point tapPointTestScreenCoords = new Point();
int zoonLevel = mapView.getZoomLevel();
int selectRadius = zoonLevel + 6;
Projection pj = mapView.getProjection();
for (GeoTrack testLocation : geoTracks) {
if (!seletedRangeActivated
|| (testLocation.time >= seletedRangeBeginTimeInMs
&& testLocation.time <= seletedRangeEndTimeInMs)) {
// Translate the MapLocation's lat/long coordinates to screen
// coordinates
pj.toPixels(testLocation.asGeoPoint(), tapPointTestScreenCoords);
// Create a 'hit' testing Rectangle w/size and coordinates of
// our
// icon
// Set the 'hit' testing Rectangle with the size and coordinates
// of
// our on screen icon
tapPointHitTestRect.set(-selectRadius, -selectRadius, selectRadius, selectRadius);
tapPointHitTestRect.offset(tapPointTestScreenCoords.x, tapPointTestScreenCoords.y);
// Finally test for a match between our 'hit' Rectangle and the
// location clicked by the user
pj.toPixels(tapPoint, tapPointTestScreenCoords);
if (tapPointHitTestRect.contains(tapPointTestScreenCoords.x, tapPointTestScreenCoords.y)) {
result = testLocation;
// break;
}
}
}
return result;
}
@Override
public boolean onSingleTapConfirmed(MotionEvent event) {
if (photoTapListener != null) {
final RectF displayRect = getDisplayRect();
if (null != displayRect) {
final float x = event.getX(), y = event.getY();
// Check to see if the user tapped on the photo
if (displayRect.contains(x, y)) {
float xResult = (x - displayRect.left) / displayRect.width();
float yResult = (y - displayRect.top) / displayRect.height();
photoTapListener.onPhotoTap(ZoomImageView.this, xResult, yResult);
return true;
}
}
}
if (viewTapListener != null) {
viewTapListener.onViewTap(ZoomImageView.this, event.getX(), event.getY());
}
return false;
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (!mDragging) {
return false;
}
final int action = ev.getAction();
final float x = ev.getX();
final float y = ev.getY();
switch (action) {
case MotionEvent.ACTION_DOWN:
// Remember where the motion event started
mLastMotionX = x;
mLastMotionY = y;
if ((x < SCROLL_ZONE) || (x > getWidth() - SCROLL_ZONE)) {
mScrollState = SCROLL_WAITING_IN_ZONE;
postDelayed(mScrollRunnable, SCROLL_DELAY);
} else {
mScrollState = SCROLL_OUTSIDE_ZONE;
}
break;
case MotionEvent.ACTION_MOVE:
final int scrollX = mScrollX;
final int scrollY = mScrollY;
final float touchX = mTouchOffsetX;
final float touchY = mTouchOffsetY;
final int offsetX = mBitmapOffsetX;
final int offsetY = mBitmapOffsetY;
int left = (int) (scrollX + mLastMotionX - touchX - offsetX);
int top = (int) (scrollY + mLastMotionY - touchY - offsetY);
int width;
int height;
if (mDrawModeBitmap && mDragBitmap != null) {
final Bitmap dragBitmap = mDragBitmap;
width = dragBitmap.getWidth();
height = dragBitmap.getHeight();
} else {
width = mDrawWidth;
height = mDrawHeight;
}
final Rect rect = mRect;
rect.set(left - 1, top - 1, left + width + 1, top + height + 1);
mLastMotionX = x;
mLastMotionY = y;
left = (int) (scrollX + x - touchX - offsetX);
top = (int) (scrollY + y - touchY - offsetY);
// Invalidate current icon position
rect.union(left - 1, top - 1, left + width + 1, top + height + 1);
final int[] coordinates = mDropCoordinates;
DropTarget dropTarget = findDropTarget((int) x, (int) y, coordinates);
if (dropTarget != null) {
if (mLastDropTarget == dropTarget) {
dropTarget.onDragOver(
mDragSource,
coordinates[0],
coordinates[1],
(int) mTouchOffsetX,
(int) mTouchOffsetY,
mDragInfo);
} else {
if (mLastDropTarget != null) {
mLastDropTarget.onDragExit(
mDragSource,
coordinates[0],
coordinates[1],
(int) mTouchOffsetX,
(int) mTouchOffsetY,
mDragInfo);
}
dropTarget.onDragEnter(
mDragSource,
coordinates[0],
coordinates[1],
(int) mTouchOffsetX,
(int) mTouchOffsetY,
mDragInfo);
}
} else {
if (mLastDropTarget != null) {
mLastDropTarget.onDragExit(
mDragSource,
coordinates[0],
coordinates[1],
(int) mTouchOffsetX,
(int) mTouchOffsetY,
mDragInfo);
}
}
invalidate(rect);
mLastDropTarget = dropTarget;
if (mTagPopup != null) {
if (Math.abs(mOriginalX - mLastMotionX) > SCROLL_ZONE
|| Math.abs(mOriginalY - mLastMotionY) > SCROLL_ZONE) {
final QuickActionWindow qa = (QuickActionWindow) mTagPopup;
qa.dismiss();
mTagPopup = null;
}
}
boolean inDragRegion = false;
if (mDragRegion != null) {
final RectF region = mDragRegion;
final boolean inRegion = region.contains(ev.getRawX(), ev.getRawY());
if (!mEnteredRegion && inRegion) {
mDragPaint = mTrashPaint;
mRectPaint.setColor(COLOR_TRASH);
mEnteredRegion = true;
inDragRegion = true;
} else if (mEnteredRegion && !inRegion) {
mDragPaint = null;
mRectPaint.setColor(COLOR_NORMAL);
mEnteredRegion = false;
}
}
if (!inDragRegion && x < SCROLL_ZONE) {
if (mScrollState == SCROLL_OUTSIDE_ZONE) {
mScrollState = SCROLL_WAITING_IN_ZONE;
mScrollRunnable.setDirection(SCROLL_LEFT);
postDelayed(mScrollRunnable, SCROLL_DELAY);
}
} else if (!inDragRegion && x > getWidth() - SCROLL_ZONE) {
if (mScrollState == SCROLL_OUTSIDE_ZONE) {
mScrollState = SCROLL_WAITING_IN_ZONE;
mScrollRunnable.setDirection(SCROLL_RIGHT);
postDelayed(mScrollRunnable, SCROLL_DELAY);
}
} else {
if (mScrollState == SCROLL_WAITING_IN_ZONE) {
mScrollState = SCROLL_OUTSIDE_ZONE;
mScrollRunnable.setDirection(SCROLL_RIGHT);
removeCallbacks(mScrollRunnable);
}
}
break;
case MotionEvent.ACTION_UP:
removeCallbacks(mScrollRunnable);
if (mShouldDrop) {
drop(x, y);
mShouldDrop = false;
}
endDrag();
break;
case MotionEvent.ACTION_CANCEL:
endDrag();
}
return true;
}
/**
* Handles the touch event.
*
* @param event the touch event
*/
public boolean handleTouch(MotionEvent event) {
int action = event.getAction();
if (mRenderer != null && action == MotionEvent.ACTION_MOVE) {
if (oldX >= 0 || oldY >= 0) {
float newX = event.getX(0);
float newY = event.getY(0);
if (event.getPointerCount() > 1
&& (oldX2 >= 0 || oldY2 >= 0)
&& mRenderer.isZoomEnabled()) {
float newX2 = event.getX(1);
float newY2 = event.getY(1);
float newDeltaX = Math.abs(newX - newX2);
float newDeltaY = Math.abs(newY - newY2);
float oldDeltaX = Math.abs(oldX - oldX2);
float oldDeltaY = Math.abs(oldY - oldY2);
float zoomRate = 1;
float tan1 = Math.abs(newY - oldY) / Math.abs(newX - oldX);
float tan2 = Math.abs(newY2 - oldY2) / Math.abs(newX2 - oldX2);
if (tan1 <= 0.25 && tan2 <= 0.25) {
// horizontal pinch zoom, |deltaY| / |deltaX| is [0 ~ 0.25], 0.25 is
// the approximate value of tan(PI / 12)
zoomRate = newDeltaX / oldDeltaX;
applyZoom(zoomRate, Zoom.ZOOM_AXIS_X);
} else if (tan1 >= 3.73 && tan2 >= 3.73) {
// pinch zoom vertically, |deltaY| / |deltaX| is [3.73 ~ infinity],
// 3.732 is the approximate value of tan(PI / 2 - PI / 12)
zoomRate = newDeltaY / oldDeltaY;
applyZoom(zoomRate, Zoom.ZOOM_AXIS_Y);
} else {
// pinch zoom diagonally
if (Math.abs(newX - oldX) >= Math.abs(newY - oldY)) {
zoomRate = newDeltaX / oldDeltaX;
} else {
zoomRate = newDeltaY / oldDeltaY;
}
applyZoom(zoomRate, Zoom.ZOOM_AXIS_XY);
}
oldX2 = newX2;
oldY2 = newY2;
} else if (mRenderer.isPanEnabled()) {
mPan.apply(oldX, oldY, newX, newY);
oldX2 = 0;
oldY2 = 0;
}
oldX = newX;
oldY = newY;
graphicalView.repaint();
return true;
}
} else if (action == MotionEvent.ACTION_DOWN) {
oldX = event.getX(0);
oldY = event.getY(0);
if (mRenderer != null && mRenderer.isZoomEnabled() && zoomR.contains(oldX, oldY)) {
if (oldX < zoomR.left + zoomR.width() / 3) {
graphicalView.zoomIn();
} else if (oldX < zoomR.left + zoomR.width() * 2 / 3) {
graphicalView.zoomOut();
} else {
graphicalView.zoomReset();
}
return true;
}
} else if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_POINTER_UP) {
oldX = 0;
oldY = 0;
oldX2 = 0;
oldY2 = 0;
if (action == MotionEvent.ACTION_POINTER_UP) {
oldX = -1;
oldY = -1;
}
}
return !mRenderer.isClickEnabled();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
boolean handled = true;
switch (event.getAction() & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
{
// 删除按钮接收事件
if (mShowDashBorder && mDelDrawRectF.contains(event.getX(), event.getY())) {
if (getParent() instanceof ViewGroup) {
((ViewGroup) getParent()).removeView(DashFrameLayout.this);
}
break;
}
// 拖放按钮接收事件
if (mShowDashBorder && mDragDrawRectF.contains(event.getX(), event.getY())) {
mode = SINGLE_ZOOM;
showDashBorder(true);
mPreDistance =
Utils.calcDistance(mCenterPoint[0], mCenterPoint[1], event.getX(), event.getY());
mPreRotation =
Utils.calcRotation(mCenterPoint[0], mCenterPoint[1], event.getX(), event.getY());
break;
}
/** 判断虚线框是否接收事件； 因旋转后无法直接判断事件是否在rect内， 可将坐标点反向旋转后再与未进行旋转的rect进行比较判断 */
mDashDrawRectF.set(mDashRectF);
mViewNoRotateMatrix.mapRect(mDashDrawRectF);
Matrix inverseMatrix = new Matrix();
// 获取反向旋转矩阵
inverseMatrix.postRotate(360 - mCurRotation, mCenterPoint[0], mCenterPoint[1]);
// 将当前坐标反向旋转，再进行判断
float[] eventPoint = {event.getX(), event.getY()};
inverseMatrix.mapPoints(eventPoint);
if (mDashDrawRectF.contains(eventPoint[0], eventPoint[1])) {
mode = DRAG;
mInitTouchX = event.getX();
mInitTouchY = event.getY();
mLastTouchX = event.getX();
mLastTouchY = event.getY();
} else {
handled = false;
}
showDashBorder(handled);
if (handled && mListener != null) {
mListener.onFocus();
mAlwaysInTapRegion = true;
}
break;
}
case MotionEvent.ACTION_MOVE:
{
if (mAlwaysInTapRegion) {
float deltaX = event.getX() - mInitTouchX;
float deltaY = event.getY() - mInitTouchY;
// 判断是否在点击区域内
if ((deltaX * deltaX) + (deltaY * deltaY) > mTouchSlopSquare) {
mAlwaysInTapRegion = false;
}
}
if (mode == SINGLE_ZOOM || mode == DOUBLE_ZOOM) {
float curDistance, endRotation;
if (mode == SINGLE_ZOOM) {
// 单指缩放、旋转
curDistance =
Utils.calcDistance(mCenterPoint[0], mCenterPoint[1], event.getX(), event.getY());
endRotation =
Utils.calcRotation(mCenterPoint[0], mCenterPoint[1], event.getX(), event.getY());
} else {
// 双指缩放、旋转
curDistance = Utils.calcDistance(event);
endRotation = Utils.calcRotation(event);
}
scale(curDistance / mPreDistance);
mPreDistance = curDistance;
rotate(endRotation - mPreRotation);
mPreRotation = endRotation;
} else if (mode == DRAG) {
translate(event.getX() - mLastTouchX, event.getY() - mLastTouchY);
mLastTouchX = event.getX();
mLastTouchY = event.getY();
}
invalidate();
break;
}
case MotionEvent.ACTION_POINTER_DOWN:
{
mAlwaysInTapRegion = false;
if (mode != SINGLE_ZOOM) {
mode = DOUBLE_ZOOM;
mPreDistance = Utils.calcDistance(event);
mPreRotation = Utils.calcRotation(event);
}
break;
}
case MotionEvent.ACTION_UP:
{
mode = NONE;
mPreRotation = 0.f;
if (mAlwaysInTapRegion && mPreShowDashBorder && mListener != null) {
mListener.onClick();
}
mAlwaysInTapRegion = false;
break;
}
case MotionEvent.ACTION_POINTER_UP:
{
if (mode != SINGLE_ZOOM) {
mode = NONE;
mPreRotation = 0.f;
}
break;
}
}
return handled;
}
final boolean hitTest(float x, float y) {
return bounds.contains(x, y);
}
/** Call this from a drag source view. */
public boolean onTouchEvent(MotionEvent ev) {
View scrollView = mScrollView;
if (!mDragging) {
return false;
}
final int action = ev.getAction();
final int screenX = clamp((int) ev.getRawX(), 0, mDisplayMetrics.widthPixels);
final int screenY = clamp((int) ev.getRawY(), 0, mDisplayMetrics.heightPixels);
switch (action) {
case MotionEvent.ACTION_DOWN:
// Remember where the motion event started
mMotionDownX = screenX;
mMotionDownY = screenY;
mScrollState = SCROLL_OUTSIDE_ZONE;
/*
* if ((screenX < mScrollZone) || (screenX > scrollView.getWidth() - mScrollZone)) {
* mScrollState = SCROLL_WAITING_IN_ZONE;
* mHandler.postDelayed(mScrollRunnable, SCROLL_DELAY);
* } else {
* mScrollState = SCROLL_OUTSIDE_ZONE;
* }
*/
break;
case MotionEvent.ACTION_MOVE:
// Update the drag view. Don't use the clamped pos here so the dragging looks
// like it goes off screen a little, intead of bumping up against the edge.
mDragView.move((int) ev.getRawX(), (int) ev.getRawY());
// Drop on someone?
final int[] coordinates = mCoordinatesTemp;
DropTarget dropTarget = findDropTarget(screenX, screenY, coordinates);
if (dropTarget != null) {
if (mLastDropTarget == dropTarget) {
dropTarget.onDragOver(
mDragSource,
coordinates[0],
coordinates[1],
(int) mTouchOffsetX,
(int) mTouchOffsetY,
mDragView,
mDragInfo);
} else {
if (mLastDropTarget != null) {
mLastDropTarget.onDragExit(
mDragSource,
coordinates[0],
coordinates[1],
(int) mTouchOffsetX,
(int) mTouchOffsetY,
mDragView,
mDragInfo);
}
dropTarget.onDragEnter(
mDragSource,
coordinates[0],
coordinates[1],
(int) mTouchOffsetX,
(int) mTouchOffsetY,
mDragView,
mDragInfo);
}
} else {
if (mLastDropTarget != null) {
mLastDropTarget.onDragExit(
mDragSource,
coordinates[0],
coordinates[1],
(int) mTouchOffsetX,
(int) mTouchOffsetY,
mDragView,
mDragInfo);
}
}
mLastDropTarget = dropTarget;
// Scroll, maybe, but not if we're in the delete region.
boolean inDeleteRegion = false;
if (mDeleteRegion != null) {
inDeleteRegion = mDeleteRegion.contains(screenX, screenY);
}
/*
* if(screenY < 100) {
* mDragScroller.scrollUp();
* } else if(screenY > mDisplayMetrics.heightPixels - 100) {
* mDragScroller.scrollDown();
* }
*/
/*
* //Log.d(Launcher.TAG, "inDeleteRegion=" + inDeleteRegion + " screenX=" + screenX
* // + " mScrollZone=" + mScrollZone);
* if (!inDeleteRegion && screenX < mScrollZone) {
* if (mScrollState == SCROLL_OUTSIDE_ZONE) {
* mScrollState = SCROLL_WAITING_IN_ZONE;
* mScrollRunnable.setDirection(SCROLL_LEFT);
* mHandler.postDelayed(mScrollRunnable, SCROLL_DELAY);
* }
* } else if (!inDeleteRegion && screenX > scrollView.getWidth() - mScrollZone) {
* if (mScrollState == SCROLL_OUTSIDE_ZONE) {
* mScrollState = SCROLL_WAITING_IN_ZONE;
* mScrollRunnable.setDirection(SCROLL_RIGHT);
* mHandler.postDelayed(mScrollRunnable, SCROLL_DELAY);
* }
* } else {
* if (mScrollState == SCROLL_WAITING_IN_ZONE) {
* mScrollState = SCROLL_OUTSIDE_ZONE;
* mScrollRunnable.setDirection(SCROLL_RIGHT);
* mHandler.removeCallbacks(mScrollRunnable);
* }
* }
*/
break;
case MotionEvent.ACTION_UP:
mHandler.removeCallbacks(mScrollRunnable);
if (mDragging) {
drop(screenX, screenY);
}
endDrag();
break;
case MotionEvent.ACTION_CANCEL:
cancelDrag();
}
return true;
}
private void drawGreyFrame(Canvas canvas, RectF bBox, Transformation t) {
paper.set(
t.offset_x, t.offset_y, t.offset_x + aspectRatio.ratio * t.scale, t.offset_y + t.scale);
if (!paper.contains(bBox)) canvas.drawARGB(0xff, 0xaa, 0xaa, 0xaa);
}