private void onDrag(int x, int y) {
if (dragImageView != null) {
windowParams.alpha = 0.8f;
windowParams.x = (x - mLastX - xtox) + dragItemView.getLeft() + 8;
windowParams.y =
(y - mLastY - ytoy) + dragItemView.getTop() + (int) (45 * Configure.screenDensity);
windowManager.updateViewLayout(dragImageView, windowParams);
}
}
public boolean isInContentArea(int x, int y) {
mContentArea.left = mContentFrame.getLeft() + mContentFrame.getPaddingLeft();
mContentArea.top =
mContentFrame.getTop()
+ mContentFrame.getPaddingTop()
+ (int) mContentParent.getTranslationY(); // account for any adjustment
mContentArea.right = mContentFrame.getRight() - mContentFrame.getPaddingRight();
mContentArea.bottom = mContentFrame.getBottom() - mContentFrame.getPaddingBottom();
offsetDescendantRectToMyCoords(mContentParent, mContentArea);
return mContentArea.contains(x, y);
}
private Rect getChildViewRect(View parentView, View childView) {
final Rect childRect =
new Rect(
childView.getLeft(), childView.getTop(), childView.getRight(), childView.getBottom());
if (parentView == childView) {
return childRect;
}
ViewGroup parent;
while ((parent = (ViewGroup) childView.getParent()) != parentView) {
childRect.offset(parent.getLeft(), parent.getTop());
childView = parent;
}
return childRect;
}
private void startDrag(Bitmap bm, int x, int y) {
stopDrag();
windowParams = new WindowManager.LayoutParams();
windowParams.gravity = Gravity.TOP | Gravity.LEFT;
windowParams.x = dragItemView.getLeft() + 8;
windowParams.y = dragItemView.getTop() + (int) (45 * Configure.screenDensity);
windowParams.height = WindowManager.LayoutParams.WRAP_CONTENT;
windowParams.width = WindowManager.LayoutParams.WRAP_CONTENT;
windowParams.alpha = 0.8f;
ImageView iv = new ImageView(getContext());
iv.setImageBitmap(bm);
windowManager = (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE);
windowManager.addView(iv, windowParams);
dragImageView = iv;
}
@Override
public boolean onDoubleTap(MotionEvent e) {
if (mDoubleClickListener != null) {
View target;
ViewGroup bottom = getBottomView();
ViewGroup surface = getSurfaceView();
if (e.getX() > bottom.getLeft()
&& e.getX() < bottom.getRight()
&& e.getY() > bottom.getTop()
&& e.getY() < bottom.getBottom()) {
target = bottom;
} else {
target = surface;
}
mDoubleClickListener.onDoubleClick(SwipeLayout.this, target == surface);
}
return true;
}
/**
* close surface
*
* @param smooth smoothly or not.
* @param notify if notify all the listeners.
*/
public void close(boolean smooth, boolean notify) {
ViewGroup surface = getSurfaceView();
int dx, dy;
if (smooth) mDragHelper.smoothSlideViewTo(getSurfaceView(), getPaddingLeft(), getPaddingTop());
else {
Rect rect = computeSurfaceLayoutArea(false);
dx = rect.left - surface.getLeft();
dy = rect.top - surface.getTop();
surface.layout(rect.left, rect.top, rect.right, rect.bottom);
if (notify) {
dispatchRevealEvent(rect.left, rect.top, rect.right, rect.bottom);
dispatchSwipeEvent(rect.left, rect.top, dx, dy);
} else {
safeBottomView();
}
}
invalidate();
}
public void open(boolean smooth, boolean notify) {
ViewGroup surface = getSurfaceView(), bottom = getBottomView();
int dx, dy;
Rect rect = computeSurfaceLayoutArea(true);
if (smooth) {
mDragHelper.smoothSlideViewTo(getSurfaceView(), rect.left, rect.top);
} else {
dx = rect.left - surface.getLeft();
dy = rect.top - surface.getTop();
surface.layout(rect.left, rect.top, rect.right, rect.bottom);
if (getShowMode() == ShowMode.PullOut) {
Rect bRect = computeBottomLayoutAreaViaSurface(ShowMode.PullOut, rect);
bottom.layout(bRect.left, bRect.top, bRect.right, bRect.bottom);
}
if (notify) {
dispatchRevealEvent(rect.left, rect.top, rect.right, rect.bottom);
dispatchSwipeEvent(rect.left, rect.top, dx, dy);
} else {
safeBottomView();
}
}
invalidate();
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
Rect windowRect = new Rect();
mDecorView.getWindowVisibleDisplayFrame(windowRect);
if (mSlideTarget == SLIDE_TARGET_WINDOW) {
mDrawerContent.layout(left, top + windowRect.top, right, bottom);
mDecorContent.layout(
mDecorContent.getLeft(), mDecorContent.getTop(), mDecorContent.getLeft() + right, bottom);
} else {
mDrawerContent.layout(left, 0, right, bottom);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
mDecorContent.layout(mDecorContent.getLeft(), 0, mDecorContent.getLeft() + right, bottom);
} else {
mDecorContent.layout(mDecorContent.getLeft(), top, mDecorContent.getLeft() + right, bottom);
}
}
mDrawerWidth = mDrawerContent.getMeasuredWidth();
if (mDrawerWidth > right - mTouchTargetWidth) {
mDrawerContent.setPadding(0, 0, mTouchTargetWidth, 0);
mDrawerWidth -= mTouchTargetWidth;
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
final ViewConfiguration vc = ViewConfiguration.get(getContext());
final int widthPixels = getResources().getDisplayMetrics().widthPixels;
final int deltaX = (int) (event.getX() + 0.5f) - mGestureCurrentX;
final int deltaY = (int) (event.getY() + 0.5f) - mGestureCurrentY;
/*
* Obtain a new VelocityTracker if we don't already have one. Also add this MotionEvent
* to the new/existing VelocityTracker so we can determine flings later on.
*/
if (mVelocityTracker == null) {
mVelocityTracker = VelocityTracker.obtain();
}
mVelocityTracker.addMovement(event);
/*
* Update the current X and Y positions for the ongoing gesture.
*/
mGestureCurrentX = (int) (event.getX() + 0.5f);
mGestureCurrentY = (int) (event.getY() + 0.5f);
switch (event.getAction()) {
case MotionEvent.ACTION_MOVE:
mDrawerMoving = true;
if (mDecorOffsetX + deltaX > mDrawerWidth) {
if (mDecorOffsetX != mDrawerWidth) {
mDrawerOpened = true;
mDecorContent.offsetLeftAndRight(mDrawerWidth - mDecorOffsetX);
mDecorOffsetX = mDrawerWidth;
invalidate();
}
} else if (mDecorOffsetX + deltaX < 0) {
if (mDecorOffsetX != 0) {
mDrawerOpened = false;
mDecorContent.offsetLeftAndRight(0 - mDecorContent.getLeft());
mDecorOffsetX = 0;
invalidate();
}
} else {
mDecorContent.offsetLeftAndRight(deltaX);
mDecorOffsetX += deltaX;
invalidate();
}
return true;
case MotionEvent.ACTION_UP:
mGestureStarted = false;
mDrawerMoving = false;
/*
* Determine if the user performed a fling based on the final velocity of the
* gesture.
*/
mVelocityTracker.computeCurrentVelocity(1000);
if (Math.abs(mVelocityTracker.getXVelocity()) > vc.getScaledMinimumFlingVelocity()) {
/*
* Okay, the user did a fling, so determine the direction in which
* the fling was flung so we know which way to toggle the drawer state.
*/
if (mVelocityTracker.getXVelocity() > 0) {
mDrawerOpened = false;
openDrawer();
} else {
mDrawerOpened = true;
closeDrawer();
}
} else {
/*
* No sizable fling has been flung, so fling the drawer towards whichever side
* we're closest to being flung at.
*/
if (mDecorOffsetX > (widthPixels / 2.0)) {
mDrawerOpened = false;
openDrawer();
} else {
mDrawerOpened = true;
closeDrawer();
}
}
return true;
}
return false;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
if (mRemoveListener != null && mGestureDetector == null) {
if (mRemoveMode == FLING) {
mGestureDetector =
new GestureDetector(
getContext(),
new SimpleOnGestureListener() {
@Override
public boolean onFling(
MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
if (mFloatView != null) {
if (velocityX > 1000) {
Rect r = mTempRect;
mFloatView.getDrawingRect(r);
if (e2.getX() > r.right * 2 / 3) {
// fast fling right with release near the
// right edge of the screen
dropFloatView(true);
}
}
// flinging while dragging should have no effect
// i.e. the gesture should not pass on to other
// onTouch handlers. Gobble...
return true;
}
return false;
}
});
}
}
if (mDragListener != null || mDropListener != null) {
switch (ev.getAction()) {
case MotionEvent.ACTION_DOWN:
// Log.d("mobeta", "action down!");
int x = (int) ev.getX();
int y = (int) ev.getY();
mLastX = x;
mLastY = y;
mDownY = y;
int itemnum = pointToPosition(x, y); // includes
// headers/footers
final int numHeaders = getHeaderViewsCount();
final int numFooters = getFooterViewsCount();
// Log.d("mobeta", "touch down on position " + itemnum);
if (itemnum == AdapterView.INVALID_POSITION
|| itemnum < numHeaders
|| itemnum >= getCount() - numFooters) {
break;
}
ViewGroup item = (ViewGroup) getChildAt(itemnum - getFirstVisiblePosition());
mDragPointX = x - item.getLeft();
mDragPointY = y - item.getTop();
final int rawX = (int) ev.getRawX();
final int rawY = (int) ev.getRawY();
mXOffset = rawX - x;
mYOffset = rawY - y;
View dragBox = (View) item.getTag();
boolean dragHit = false;
if (dragBox != null) {
dragBox.getLocationOnScreen(mTempLoc);
dragHit =
rawX > mTempLoc[0]
&& rawY > mTempLoc[1]
&& rawX < mTempLoc[0] + dragBox.getWidth()
&& rawY < mTempLoc[1] + dragBox.getHeight();
}
if (dragHit) {
// item.setDrawingCacheQuality(View.DRAWING_CACHE_QUALITY_HIGH);
item.setDrawingCacheEnabled(true);
// Create a copy of the drawing cache so that it does
// not get recycled
// by the framework when the list tries to clean up
// memory
Bitmap bitmap = Bitmap.createBitmap(item.getDrawingCache());
item.setDrawingCacheEnabled(false);
mFloatViewHeight = item.getHeight();
mFloatViewHeightHalf = mFloatViewHeight / 2;
mExpDragPos = itemnum;
mSrcDragPos = itemnum;
// Log.d("mobeta", "getCount() = " + getCount());
// Log.d("mobeta", "headers = " +
// getHeaderViewsCount());
startDragging(bitmap, x, y);
// cancel ListView fling
MotionEvent ev2 = MotionEvent.obtain(ev);
ev2.setAction(MotionEvent.ACTION_CANCEL);
super.onInterceptTouchEvent(ev2);
// return false;
return true;
}
removeFloatView();
break;
}
}
return super.onInterceptTouchEvent(ev);
}
