@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
mMoveOutside = false;
mFingerRect = new Rect(getLeft(), getTop(), getRight(), getBottom());
mTouchPoint.set(Math.round(event.getX()), Math.round(event.getY()));
mState = StateTouchDown;
mStartTime = System.currentTimeMillis();
invalidate();
break;
case MotionEvent.ACTION_MOVE:
if (!mFingerRect.contains(getLeft() + (int) event.getX(), getTop() + (int) event.getY())) {
mMoveOutside = true;
mState = StateNormal;
invalidate();
}
break;
case MotionEvent.ACTION_UP:
if (!mMoveOutside) {
mState = StateTouchUp;
mStartTime = System.currentTimeMillis();
invalidate();
performClick();
}
break;
case MotionEvent.ACTION_CANCEL:
mState = StateNormal;
invalidate();
break;
}
return true;
}
private DropTarget findDropTarget(int x, int y, int[] dropCoordinates) {
final Rect r = mRectTemp;
final ArrayList<DropTarget> dropTargets = mDropTargets;
final int count = dropTargets.size();
for (int i = 0; i < count; i++) {
final DropTarget target = dropTargets.get(i);
target.getHitRect(r);
target.getLocationOnScreen(dropCoordinates);
r.offset(dropCoordinates[0] - target.getLeft(), dropCoordinates[1] - target.getTop());
if (r.contains(x, y)) {
dropCoordinates[0] = x - dropCoordinates[0];
dropCoordinates[1] = y - dropCoordinates[1];
return target;
}
}
// Check for default hit if all others failed
final DropTarget target = mDefaultDrop;
target.getHitRect(r);
target.getLocationOnScreen(dropCoordinates);
r.offset(dropCoordinates[0] - target.getLeft(), dropCoordinates[1] - target.getTop());
if (r.contains(x, y)) {
dropCoordinates[0] = x - dropCoordinates[0];
dropCoordinates[1] = y - dropCoordinates[1];
return target;
}
return null;
}
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
switch (motionEvent.getAction()) {
case MotionEvent.ACTION_DOWN:
updateBackground(pressedDrawable);
this.setPadding(mPaddingLeft, mPaddingTop + mShadowHeight, mPaddingRight, mPaddingBottom);
break;
case MotionEvent.ACTION_MOVE:
Rect r = new Rect();
view.getLocalVisibleRect(r);
if (!r.contains((int) motionEvent.getX(), (int) motionEvent.getY() + 3 * mShadowHeight)
&& !r.contains(
(int) motionEvent.getX(), (int) motionEvent.getY() - 3 * mShadowHeight)) {
updateBackground(unpressedDrawable);
this.setPadding(
mPaddingLeft,
mPaddingTop + mShadowHeight,
mPaddingRight,
mPaddingBottom + mShadowHeight);
}
break;
case MotionEvent.ACTION_OUTSIDE:
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
updateBackground(unpressedDrawable);
this.setPadding(
mPaddingLeft,
mPaddingTop + mShadowHeight,
mPaddingRight,
mPaddingBottom + mShadowHeight);
break;
}
return false;
}
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
if (distanceY != 0 && distanceX != 0) {}
if (null != bannerView) {
Rect rect = new Rect();
bannerView.getHitRect(rect);
if (null != e1) {
if (rect.contains((int) e1.getX(), (int) e1.getY())) {
return false;
}
}
if (null != e2) {
if (rect.contains((int) e2.getX(), (int) e2.getY())) {
return false;
}
}
}
// if(Math.abs(distanceY) >= Math.abs(distanceX))
// {
// Log.e("listview", "********************** distanceX :" + distanceX + "
// distanceY" + distanceY + "\n");
// return true;
// }
// Log.e("listview", "-------------------------- distanceX :" + distanceX + "
// distanceY" + distanceY + "\n");
return true;
}
public boolean contains(Rect r) {
boolean ret = r.contains(zone);
if (ret) return ret;
else
return r.contains(zone.left, zone.top)
|| r.contains(zone.left, ab)
|| r.contains(ar, zone.top)
|| r.contains(ar, ab);
}
private static boolean isCurrentLocationVisible(GeoPoint start, GeoPoint end, MapView mapView) {
if (start == null || end == null) return false;
Rect currentMapBoundsRect = new Rect();
Point startPosition = mapView.getProjection().toPixels(start, null);
Point endPosition = mapView.getProjection().toPixels(end, null);
mapView.getDrawingRect(currentMapBoundsRect);
boolean result =
currentMapBoundsRect.contains(startPosition.x, startPosition.y)
|| currentMapBoundsRect.contains(endPosition.x, endPosition.y);
return result;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent event) {
final int action = event.getAction();
final float x = event.getX();
final float y = event.getY();
if (mAnimating) {
return false;
}
View leftHandle = mLeftSlider.tab;
leftHandle.getHitRect(mTmpRect);
boolean leftHit = mTmpRect.contains((int) x, (int) y);
View rightHandle = mRightSlider.tab;
rightHandle.getHitRect(mTmpRect);
boolean rightHit = mTmpRect.contains((int) x, (int) y);
if (!mTracking && !(leftHit || rightHit)) {
return false;
}
switch (action) {
case MotionEvent.ACTION_DOWN:
{
mTracking = true;
mTriggered = false;
vibrate(VIBRATE_SHORT);
if (leftHit) {
mCurrentSlider = mLeftSlider;
mOtherSlider = mRightSlider;
mThreshold = isHorizontal() ? THRESHOLD : 1.0f - THRESHOLD;
setGrabbedState(OnTriggerListener.LEFT_HANDLE);
} else {
mCurrentSlider = mRightSlider;
mOtherSlider = mLeftSlider;
mThreshold = isHorizontal() ? 1.0f - THRESHOLD : THRESHOLD;
setGrabbedState(OnTriggerListener.RIGHT_HANDLE);
}
mCurrentSlider.setState(Slider.STATE_PRESSED);
mCurrentSlider.showTarget();
mOtherSlider.hide();
break;
}
}
return true;
}
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
if (mHeaderView == null) return super.dispatchTouchEvent(ev);
if (mHeaderViewVisible) {
final int x = (int) ev.getX();
final int y = (int) ev.getY();
mHeaderView.getLocationOnScreen(mLocation);
mRect.left = mLocation[0];
mRect.top = mLocation[1];
mRect.right = mLocation[0] + mHeaderView.getWidth();
mRect.bottom = mLocation[1] + mHeaderView.getHeight();
if (mRect.contains(x, y)) {
if (ev.getAction() == MotionEvent.ACTION_UP) {
performViewClick(x, y);
}
return true;
} else {
return super.dispatchTouchEvent(ev);
}
} else {
return super.dispatchTouchEvent(ev);
}
}
private void performViewClick(int x, int y) {
if (null == mHeaderView) return;
final ViewGroup container = (ViewGroup) mHeaderView;
for (int i = 0; i < container.getChildCount(); i++) {
View view = container.getChildAt(i);
/**
* transform coordinate to find the child view we clicked getGlobalVisibleRect used for
* android 2.x, getLocalVisibleRect user for 3.x or above, maybe it's a bug
*/
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
view.getGlobalVisibleRect(mRect);
} else {
view.getLocalVisibleRect(mRect);
int width = mRect.right - mRect.left;
mRect.left = Math.abs(mRect.left);
mRect.right = mRect.left + width;
}
if (mRect.contains(x, y)) {
view.performClick();
break;
}
}
}
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
if (mScrollDisabled) return true;
View v = mChildViews.get(mCurrent);
if (v != null) {
Rect bounds = getScrollBounds(v);
switch (directionOfTravel(velocityX, velocityY)) {
case MOVING_LEFT:
if (bounds.left >= 0) {
// Fling off to the left bring next view onto screen
View vl = mChildViews.get(mCurrent + 1);
if (vl != null) {
slideViewOntoScreen(vl);
return true;
}
}
break;
case MOVING_RIGHT:
if (bounds.right <= 0) {
// Fling off to the right bring previous view onto screen
View vr = mChildViews.get(mCurrent - 1);
if (vr != null) {
slideViewOntoScreen(vr);
return true;
}
}
break;
}
mScrollerLastX = mScrollerLastY = 0;
// If the page has been dragged out of bounds then we want to spring back
// nicely. fling jumps back into bounds instantly, so we don't want to use
// fling in that case. On the other hand, we don't want to forgo a fling
// just because of a slightly off-angle drag taking us out of bounds other
// than in the direction of the drag, so we test for out of bounds only
// in the direction of travel.
//
// Also don't fling if out of bounds in any direction by more than fling
// margin
Rect expandedBounds = new Rect(bounds);
expandedBounds.inset(-FLING_MARGIN, -FLING_MARGIN);
if (withinBoundsInDirectionOfTravel(bounds, velocityX, velocityY)
&& expandedBounds.contains(0, 0)) {
mScroller.fling(
0,
0,
(int) velocityX,
(int) velocityY,
bounds.left,
bounds.right,
bounds.top,
bounds.bottom);
post(this);
}
}
return true;
}
private static void testProgressValues(ProgressValues progress, Rect bounds) {
// Ensure that the percent progress is valid.
assertTrue(progress.getPercent() >= 0);
assertTrue(progress.getPercent() <= 100);
// Ensure that the text rect is valid.
final Rect textRect = progress.getCurrentRect();
assertTrue(textRect.left <= textRect.right);
assertTrue(textRect.top <= textRect.bottom);
// Text rect must match the bounds of the image or sub-rectangle used.
assertEquals(textRect.height(), bounds.height());
assertEquals(textRect.width(), bounds.width());
// Ensure that the word rect is valid.
final Rect wordRect = progress.getCurrentWordRect();
assertTrue(textRect.left <= textRect.right);
assertTrue(textRect.top <= textRect.bottom);
// Ensure the word rect falls within the text rect.
final Rect absoluteWordRect =
new Rect(
textRect.left + wordRect.left,
textRect.top + wordRect.top,
textRect.left + wordRect.right,
textRect.top + wordRect.bottom);
assertTrue(textRect.contains(absoluteWordRect));
}
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
switch (motionEvent.getAction()) {
case MotionEvent.ACTION_DOWN:
this.setPadding(mPaddingLeft, mPaddingTop + mShadowHeight, mPaddingRight, mPaddingBottom);
break;
case MotionEvent.ACTION_MOVE: // 触点坐标移动到View外时，View恢复至未按下时的状态
Rect r = new Rect();
view.getLocalVisibleRect(r);
if (!r.contains((int) motionEvent.getX(), (int) motionEvent.getY())) {
this.setPadding(
mPaddingLeft,
mPaddingTop + mShadowHeight,
mPaddingRight,
mPaddingBottom + mShadowHeight);
}
break;
case MotionEvent.ACTION_OUTSIDE:
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
this.setPadding(
mPaddingLeft,
mPaddingTop + mShadowHeight,
mPaddingRight,
mPaddingBottom + mShadowHeight);
break;
}
return false;
}
public boolean onTestReceive(MotionEvent e) {
if (e.getAction() == MotionEvent.ACTION_UP) {
Rect viewRect = new Rect();
for (int i = 0; i < getChildCount(); i++) {
View child = getChildAt(i);
int left = child.getLeft();
int right = child.getRight();
int top = child.getTop() + this.getTop();
int bottom = child.getBottom() + this.getBottom();
int x = (int) e.getX();
int y = (int) e.getY();
viewRect.set(left, top, right, bottom);
if (viewRect.contains(x, y)) {
if (mOnItemClicked != null) {
mOnItemClicked.onItemClick(
HorizontalListView.this,
child,
mLeftViewIndex + 1 + i,
mAdapter.getItemId(mLeftViewIndex + 1 + i));
}
if (mOnItemSelected != null) {
mOnItemSelected.onItemSelected(
HorizontalListView.this,
child,
mLeftViewIndex + 1 + i,
mAdapter.getItemId(mLeftViewIndex + 1 + i));
}
break;
}
}
return true;
}
return false;
}
@Override
public void onLongPress(MotionEvent e) {
Rect viewRect = new Rect();
for (int i = 0; i < getChildCount(); i++) {
View child = getChildAt(i);
int left = child.getLeft();
int right = child.getRight();
int top = child.getTop();
int bottom = child.getBottom();
viewRect.set(left, top, right, bottom);
if (viewRect.contains((int) e.getX(), (int) e.getY())) {
if (mOnItemLongClickListener != null) {
mOnItemLongClickListener.onItemLongClick(
HorizontalListView.this,
child,
mLeftViewIndex + 1 + i,
mAdapter.getItemId(mLeftViewIndex + 1 + i));
}
if (mOnItemSelected != null) {
mOnItemSelected.onItemSelected(
HorizontalListView.this,
child,
mLeftViewIndex + 1 + i,
mAdapter.getItemId(mLeftViewIndex + 1 + i));
}
break;
}
}
}
private boolean startDragging(MotionEvent ev, boolean ignoreTrackIfInScrollContainer) {
final Rect bounds = mTempRect;
mThumb.copyBounds(bounds);
// Grow the current thumb rect for a bigger touch area
bounds.inset(-mAddedTouchBounds, -mAddedTouchBounds);
mIsDragging = (bounds.contains((int) ev.getX(), (int) ev.getY()));
if (!mIsDragging && mAllowTrackClick && !ignoreTrackIfInScrollContainer) {
// If the user clicked outside the thumb, we compute the current position
// and force an immediate drag to it.
mIsDragging = true;
mDragOffset = (bounds.width() / 2) - mAddedTouchBounds;
updateDragging(ev);
// As the thumb may have moved, get the bounds again
mThumb.copyBounds(bounds);
bounds.inset(-mAddedTouchBounds, -mAddedTouchBounds);
}
if (mIsDragging) {
setPressed(true);
attemptClaimDrag();
setHotspot(ev.getX(), ev.getY());
mDragOffset = (int) (ev.getX() - bounds.left - mAddedTouchBounds);
if (mPublicChangeListener != null) {
mPublicChangeListener.onStartTrackingTouch(this);
}
}
return mIsDragging;
}
private boolean handleTouchDown(MotionEvent ev, boolean intercept) {
Rect hitRect = new Rect();
int x = (int) ev.getX();
int y = (int) ev.getY();
for (AppWidgetResizeFrame child : mResizeFrames) {
child.getHitRect(hitRect);
if (hitRect.contains(x, y)) {
if (child.beginResizeIfPointInRegion(x - child.getLeft(), y - child.getTop())) {
mCurrentResizeFrame = child;
mXDown = x;
mYDown = y;
requestDisallowInterceptTouchEvent(true);
return true;
}
}
}
Folder currentFolder = mLauncher.getWorkspace().getOpenFolder();
if (currentFolder != null && !mLauncher.isFolderClingVisible() && intercept) {
if (currentFolder.isEditingName()) {
if (!isEventOverFolderTextRegion(currentFolder, ev)) {
currentFolder.dismissEditingName();
return true;
}
}
getDescendantRectRelativeToSelf(currentFolder, hitRect);
if (!isEventOverFolder(currentFolder, ev)) {
mLauncher.closeFolder();
return true;
}
}
return false;
}
private static boolean isTouchEventHandled(final View view, final MotionEvent event) {
if (view instanceof RightPaneBackgroundView) return false;
if (!(view instanceof ViewGroup)) return true;
final MotionEvent ev = MotionEvent.obtain(event);
final float xf = ev.getX();
final float yf = ev.getY();
final float scrolledXFloat = xf + view.getScrollX();
final float scrolledYFloat = yf + view.getScrollY();
final Rect frame = new Rect();
final int scrolledXInt = (int) scrolledXFloat;
final int scrolledYInt = (int) scrolledYFloat;
final int count = ((ViewGroup) view).getChildCount();
for (int i = count - 1; i >= 0; i--) {
final View child = ((ViewGroup) view).getChildAt(i);
if (child.isShown() || child.getAnimation() != null) {
child.getHitRect(frame);
if (frame.contains(scrolledXInt, scrolledYInt)) {
// offset the event to the view's coordinate system
final float xc = scrolledXFloat - child.getLeft();
final float yc = scrolledYFloat - child.getTop();
ev.setLocation(xc, yc);
if (isTouchEventHandled(child, ev)) return true;
}
}
}
return false;
}
/**
* Duplicate touch events to child views. We want to dispatch a down motion event and the move
* events to child views, but calling dispatchTouchEvent() causes StackOverflowError. Therefore we
* do it manually.
*
* @param ev motion event to be passed to children
* @param pendingEvents pending events like ACTION_DOWN. This will be passed to the children
* before ev
*/
private void duplicateTouchEventForChildren(MotionEvent ev, MotionEvent... pendingEvents) {
if (ev == null) {
return;
}
for (int i = getChildCount() - 1; 0 <= i; i--) {
View childView = getChildAt(i);
if (childView != null) {
Rect childRect = new Rect();
childView.getHitRect(childRect);
MotionEvent event = MotionEvent.obtainNoHistory(ev);
if (!childRect.contains((int) event.getX(), (int) event.getY())) {
continue;
}
float offsetX = -childView.getLeft();
float offsetY = -childView.getTop();
boolean consumed = false;
if (pendingEvents != null) {
for (MotionEvent pe : pendingEvents) {
if (pe != null) {
MotionEvent peAdjusted = MotionEvent.obtainNoHistory(pe);
peAdjusted.offsetLocation(offsetX, offsetY);
consumed |= childView.dispatchTouchEvent(peAdjusted);
}
}
}
event.offsetLocation(offsetX, offsetY);
consumed |= childView.dispatchTouchEvent(event);
if (consumed) {
break;
}
}
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// boolean handled = false;
switch (event.getAction()) {
case MotionEvent.ACTION_MOVE:
if (!mScrollingEnabled) {
return false;
}
break;
case MotionEvent.ACTION_UP:
{
// In Android WebView, all the click events are directly sent to WebKit. As a result,
// OnClickListener() is
// never called. Therefore, we have to manually call performClick() when a click event
// is detected.
//
// In native Android and in the Ti world, it's possible to to have a touchEvent click on
// a link in a webview and
// also to be detected as a click on the webview. So we cannot let handling of the
// event one way block
// the handling the other way -- it must be passed to both in all cases for everything
// to work correctly.
//
if (hierarchyHasListener(TiC.EVENT_CLICK)) {
Rect r = new Rect(0, 0, getWidth(), getHeight());
if (r.contains((int) event.getX(), (int) event.getY())) {
proxy.fireEvent(TiC.EVENT_CLICK, dictFromEvent(event), true, false);
}
}
break;
}
}
return super.onTouchEvent(event);
}
private boolean isEventOverFolder(Folder folder, MotionEvent ev) {
getDescendantRectRelativeToSelf(folder, mHitRect);
if (mHitRect.contains((int) ev.getX(), (int) ev.getY())) {
return true;
}
return false;
}
@Override
public boolean onInterceptTouchEvent(View view, MotionEvent event) {
// We need to account for scroll state for the touched view otherwise
// tapping on an "empty" part of the view will still be considered a
// valid touch event.
if (view.getScrollX() != 0 || view.getScrollY() != 0) {
Rect rect = new Rect();
view.getHitRect(rect);
rect.offset(-view.getScrollX(), -view.getScrollY());
int[] viewCoords = new int[2];
view.getLocationOnScreen(viewCoords);
int x = (int) event.getRawX() - viewCoords[0];
int y = (int) event.getRawY() - viewCoords[1];
if (!rect.contains(x, y)) return false;
}
// If the tab tray is showing, hide the tab tray and don't send the event to content.
if (event.getActionMasked() == MotionEvent.ACTION_DOWN && autoHideTabs()) {
mIsHidingTabs = true;
return true;
}
return false;
}
@Override
public boolean onSingleTapConfirmed(MotionEvent e) {
Rect viewRect = new Rect();
for (int i = 0; i < getChildCount(); i++) {
View child = getChildAt(i);
int left = child.getLeft();
int right = child.getRight();
int top = child.getTop();
int bottom = child.getBottom();
viewRect.set(left, top, right, bottom);
if (viewRect.contains((int) e.getX(), (int) e.getY())) {
if (mOnItemClicked != null) {
mOnItemClicked.onItemClick(
HorizontalListView.this,
child,
mLeftViewIndex + 1 + i,
mAdapter.getItemId(mLeftViewIndex + 1 + i));
}
if (mOnItemSelected != null) {
mOnItemSelected.onItemSelected(
HorizontalListView.this,
child,
mLeftViewIndex + 1 + i,
mAdapter.getItemId(mLeftViewIndex + 1 + i));
}
break;
}
}
return true;
}
public void setMaskRect(int pl, int pt, int pr, int pb) {
Rect rcMask = new Rect(0x0, 0x0, 0x0, 0x0);
if (pl < 0) {
pl = 0x0;
}
if (pt < 0) {
pt = 0x0;
}
if (pr > 0x400) {
pl = 0x400;
}
if (pl > 0x3e8) {
pl = 0x3e8;
}
rcMask.set(pl, pt, pr, pb);
for (int i = 0x0; i < pListMaskRect.size(); i = i + 0x1) {
Rect rcTemp = (Rect) pListMaskRect.get(i);
if (!rcTemp.contains(rcMask.left, rcMask.top, rcMask.right, rcMask.bottom)) {
pListMaskRect.add(rcMask);
}
}
if (pListMaskRect.size() == 0) {
pListMaskRect.add(rcMask);
}
}
// Determines which edges are hit by touching at (x, y)
public int getHit(float x, float y) {
Rect r = computeLayout();
final float hysteresis = 20F;
int retval = GROW_NONE;
// verticalCheck makes sure the position is between the top and
// the bottom edge (with some tolerance). Similar for horizCheck.
boolean verticalCheck = (y >= r.top - hysteresis) && (y < r.bottom + hysteresis);
boolean horizCheck = (x >= r.left - hysteresis) && (x < r.right + hysteresis);
// Check whether the position is near some edge(s)
if ((Math.abs(r.left - x) < hysteresis) && verticalCheck) {
retval |= GROW_LEFT_EDGE;
}
if ((Math.abs(r.right - x) < hysteresis) && verticalCheck) {
retval |= GROW_RIGHT_EDGE;
}
if ((Math.abs(r.top - y) < hysteresis) && horizCheck) {
retval |= GROW_TOP_EDGE;
}
if ((Math.abs(r.bottom - y) < hysteresis) && horizCheck) {
retval |= GROW_BOTTOM_EDGE;
}
// Not near any edge but inside the rectangle: move
if (retval == GROW_NONE && r.contains((int) x, (int) y)) {
retval = MOVE;
}
return retval;
}
/** Handles the onLongPress event */
@Override
public void onLongPress(MotionEvent ev) {
Log.i("misc", "longPress: " + ev.getAction());
int x = (int) ev.getX();
int y = (int) ev.getY();
List<Overlay> overlays = this.maps.getOverlays();
// All Overlays
for (Overlay overlay : overlays) {
// Only MapOverlays
if (overlay instanceof MapsOverlay) {
MapsOverlay mOverlay = (MapsOverlay) overlay;
// Only Overlays, that are visible and longclickable
if (mOverlay.isVisible() && mOverlay.isLongClick()) {
for (int i = 0; i < mOverlay.size(); i++) {
AbstractOverlayItem item = mOverlay.getAbstractItem(i);
Rect lRect = item.getLongPressableRect();
if (lRect.contains(x, y)) {
item.longPress(this.maps);
return;
}
}
}
}
}
}
private boolean isInIgnoredView(MotionEvent ev) {
Rect rect = new Rect();
for (View v : mIgnoredViews) {
v.getHitRect(rect);
if (rect.contains((int) ev.getX(), (int) ev.getY())) return true;
}
return false;
}
public void setPos(int x, int y) {
if (mov || !minizone.contains(x + w / 2, y + w / 2)) {
zone.set(x, y, x + w, y + h);
correctAbsoluteCoords();
updateMinizone();
mov = true;
}
}
// Determines which edges are hit by touching at (x, y).
public int getHit(float x, float y) {
Rect r = computeLayout();
final float hysteresis = 20F;
int retval = GROW_NONE;
if (mCircle) {
float distX = x - r.centerX();
float distY = y - r.centerY();
int distanceFromCenter = (int) Math.sqrt(distX * distX + distY * distY);
int radius = mDrawRect.width() / 2;
int delta = distanceFromCenter - radius;
if (Math.abs(delta) <= hysteresis) {
if (Math.abs(distY) > Math.abs(distX)) {
if (distY < 0) {
retval = GROW_TOP_EDGE;
} else {
retval = GROW_BOTTOM_EDGE;
}
} else {
if (distX < 0) {
retval = GROW_LEFT_EDGE;
} else {
retval = GROW_RIGHT_EDGE;
}
}
} else if (distanceFromCenter < radius) {
retval = MOVE;
} else {
retval = GROW_NONE;
}
} else {
// verticalCheck makes sure the position is between the top and
// the bottom edge (with some tolerance). Similar for horizCheck.
boolean verticalCheck = (y >= r.top - hysteresis) && (y < r.bottom + hysteresis);
boolean horizCheck = (x >= r.left - hysteresis) && (x < r.right + hysteresis);
// Check whether the position is near some edge(s).
if ((Math.abs(r.left - x) < hysteresis) && verticalCheck) {
retval |= GROW_LEFT_EDGE;
}
if ((Math.abs(r.right - x) < hysteresis) && verticalCheck) {
retval |= GROW_RIGHT_EDGE;
}
if ((Math.abs(r.top - y) < hysteresis) && horizCheck) {
retval |= GROW_TOP_EDGE;
}
if ((Math.abs(r.bottom - y) < hysteresis) && horizCheck) {
retval |= GROW_BOTTOM_EDGE;
}
// Not near any edge but inside the rectangle: move.
if (retval == GROW_NONE && r.contains((int) x, (int) y)) {
retval = MOVE;
}
}
return retval;
}
public boolean isTransformedTouchPointInView(float x, float y, View child) {
// TODO: confirm if this is the right approach
if (child == null) return false;
final Rect frame = new Rect();
child.getHitRect(frame);
return frame.contains((int) x, (int) y);
}
private boolean isDeletingExistingShape(int x, int y) {
for (ShapeDrawable shape : shapes) {
Rect bounds = shape.getBounds();
if (bounds.contains(x, y)) {
shapes.remove(shape);
return (true);
}
}
return (false);
}
