public void onTouchUp() {
int xThreshold = mCellLayout.getCellWidth() + mCellLayout.getWidthGap();
int yThreshold = mCellLayout.getCellHeight() + mCellLayout.getHeightGap();
mDeltaXAddOn = mRunningHInc * xThreshold;
mDeltaYAddOn = mRunningVInc * yThreshold;
mDeltaX = 0;
mDeltaY = 0;
post(
new Runnable() {
@Override
public void run() {
snapToWidget(true);
}
});
}
/** Based on the current deltas, we determine if and how to resize the widget. */
private void resizeWidgetIfNeeded(boolean onDismiss) {
int xThreshold = mCellLayout.getCellWidth() + mCellLayout.getWidthGap();
int yThreshold = mCellLayout.getCellHeight() + mCellLayout.getHeightGap();
int deltaX = mDeltaX + mDeltaXAddOn;
int deltaY = mDeltaY + mDeltaYAddOn;
float hSpanIncF = 1.0f * deltaX / xThreshold - mRunningHInc;
float vSpanIncF = 1.0f * deltaY / yThreshold - mRunningVInc;
int hSpanInc = 0;
int vSpanInc = 0;
int cellXInc = 0;
int cellYInc = 0;
int countX = mCellLayout.getCountX();
int countY = mCellLayout.getCountY();
if (Math.abs(hSpanIncF) > RESIZE_THRESHOLD) {
hSpanInc = Math.round(hSpanIncF);
}
if (Math.abs(vSpanIncF) > RESIZE_THRESHOLD) {
vSpanInc = Math.round(vSpanIncF);
}
if (!onDismiss && (hSpanInc == 0 && vSpanInc == 0)) return;
CellLayout.LayoutParams lp = (CellLayout.LayoutParams) mWidgetView.getLayoutParams();
int spanX = lp.cellHSpan;
int spanY = lp.cellVSpan;
int cellX = lp.useTmpCoords ? lp.tmpCellX : lp.cellX;
int cellY = lp.useTmpCoords ? lp.tmpCellY : lp.cellY;
int hSpanDelta = 0;
int vSpanDelta = 0;
// For each border, we bound the resizing based on the minimum width, and the maximum
// expandability.
if (mLeftBorderActive) {
cellXInc = Math.max(-cellX, hSpanInc);
cellXInc = Math.min(lp.cellHSpan - mMinHSpan, cellXInc);
hSpanInc *= -1;
hSpanInc = Math.min(cellX, hSpanInc);
hSpanInc = Math.max(-(lp.cellHSpan - mMinHSpan), hSpanInc);
hSpanDelta = -hSpanInc;
} else if (mRightBorderActive) {
hSpanInc = Math.min(countX - (cellX + spanX), hSpanInc);
hSpanInc = Math.max(-(lp.cellHSpan - mMinHSpan), hSpanInc);
hSpanDelta = hSpanInc;
}
if (mTopBorderActive) {
cellYInc = Math.max(-cellY, vSpanInc);
cellYInc = Math.min(lp.cellVSpan - mMinVSpan, cellYInc);
vSpanInc *= -1;
vSpanInc = Math.min(cellY, vSpanInc);
vSpanInc = Math.max(-(lp.cellVSpan - mMinVSpan), vSpanInc);
vSpanDelta = -vSpanInc;
} else if (mBottomBorderActive) {
vSpanInc = Math.min(countY - (cellY + spanY), vSpanInc);
vSpanInc = Math.max(-(lp.cellVSpan - mMinVSpan), vSpanInc);
vSpanDelta = vSpanInc;
}
mDirectionVector[0] = 0;
mDirectionVector[1] = 0;
// Update the widget's dimensions and position according to the deltas computed above
if (mLeftBorderActive || mRightBorderActive) {
spanX += hSpanInc;
cellX += cellXInc;
if (hSpanDelta != 0) {
mDirectionVector[0] = mLeftBorderActive ? -1 : 1;
}
}
if (mTopBorderActive || mBottomBorderActive) {
spanY += vSpanInc;
cellY += cellYInc;
if (vSpanDelta != 0) {
mDirectionVector[1] = mTopBorderActive ? -1 : 1;
}
}
if (!onDismiss && vSpanDelta == 0 && hSpanDelta == 0) return;
// We always want the final commit to match the feedback, so we make sure to use the
// last used direction vector when committing the resize / reorder.
if (onDismiss) {
mDirectionVector[0] = mLastDirectionVector[0];
mDirectionVector[1] = mLastDirectionVector[1];
} else {
mLastDirectionVector[0] = mDirectionVector[0];
mLastDirectionVector[1] = mDirectionVector[1];
}
if (mCellLayout.createAreaForResize(
cellX, cellY, spanX, spanY, mWidgetView, mDirectionVector, onDismiss)) {
lp.tmpCellX = cellX;
lp.tmpCellY = cellY;
lp.cellHSpan = spanX;
lp.cellVSpan = spanY;
mRunningVInc += vSpanDelta;
mRunningHInc += hSpanDelta;
if (!onDismiss) {
updateWidgetSizeRanges(mWidgetView, mLauncher, spanX, spanY);
}
}
mWidgetView.requestLayout();
}