package com.android.launcher3;
|
|
import static com.android.launcher3.LauncherAnimUtils.LAYOUT_HEIGHT;
|
import static com.android.launcher3.LauncherAnimUtils.LAYOUT_WIDTH;
|
import static com.android.launcher3.views.BaseDragLayer.LAYOUT_X;
|
import static com.android.launcher3.views.BaseDragLayer.LAYOUT_Y;
|
|
import android.animation.AnimatorSet;
|
import android.animation.ObjectAnimator;
|
import android.animation.PropertyValuesHolder;
|
import android.appwidget.AppWidgetHostView;
|
import android.appwidget.AppWidgetProviderInfo;
|
import android.content.Context;
|
import android.graphics.Point;
|
import android.graphics.Rect;
|
import android.util.AttributeSet;
|
import android.view.KeyEvent;
|
import android.view.MotionEvent;
|
import android.view.View;
|
import android.view.ViewGroup;
|
|
import com.android.launcher3.accessibility.DragViewStateAnnouncer;
|
import com.android.launcher3.dragndrop.DragLayer;
|
import com.android.launcher3.util.FocusLogic;
|
import com.android.launcher3.widget.LauncherAppWidgetHostView;
|
|
import java.util.ArrayList;
|
import java.util.List;
|
|
public class AppWidgetResizeFrame extends AbstractFloatingView implements View.OnKeyListener {
|
private static final int SNAP_DURATION = 150;
|
private static final float DIMMED_HANDLE_ALPHA = 0f;
|
private static final float RESIZE_THRESHOLD = 0.66f;
|
|
private static final Rect sTmpRect = new Rect();
|
|
// Represents the cell size on the grid in the two orientations.
|
private static Point[] sCellSize;
|
|
private static final int HANDLE_COUNT = 4;
|
private static final int INDEX_LEFT = 0;
|
private static final int INDEX_TOP = 1;
|
private static final int INDEX_RIGHT = 2;
|
private static final int INDEX_BOTTOM = 3;
|
|
private final Launcher mLauncher;
|
private final DragViewStateAnnouncer mStateAnnouncer;
|
private final FirstFrameAnimatorHelper mFirstFrameAnimatorHelper;
|
|
private final View[] mDragHandles = new View[HANDLE_COUNT];
|
private final List<Rect> mSystemGestureExclusionRects = new ArrayList<>(HANDLE_COUNT);
|
|
private LauncherAppWidgetHostView mWidgetView;
|
private CellLayout mCellLayout;
|
private DragLayer mDragLayer;
|
|
private Rect mWidgetPadding;
|
|
private final int mBackgroundPadding;
|
private final int mTouchTargetWidth;
|
|
private final int[] mDirectionVector = new int[2];
|
private final int[] mLastDirectionVector = new int[2];
|
|
private final IntRange mTempRange1 = new IntRange();
|
private final IntRange mTempRange2 = new IntRange();
|
|
private final IntRange mDeltaXRange = new IntRange();
|
private final IntRange mBaselineX = new IntRange();
|
|
private final IntRange mDeltaYRange = new IntRange();
|
private final IntRange mBaselineY = new IntRange();
|
|
private boolean mLeftBorderActive;
|
private boolean mRightBorderActive;
|
private boolean mTopBorderActive;
|
private boolean mBottomBorderActive;
|
|
private int mResizeMode;
|
|
private int mRunningHInc;
|
private int mRunningVInc;
|
private int mMinHSpan;
|
private int mMinVSpan;
|
private int mDeltaX;
|
private int mDeltaY;
|
private int mDeltaXAddOn;
|
private int mDeltaYAddOn;
|
|
private int mTopTouchRegionAdjustment = 0;
|
private int mBottomTouchRegionAdjustment = 0;
|
|
private int mXDown, mYDown;
|
|
public AppWidgetResizeFrame(Context context) {
|
this(context, null);
|
}
|
|
public AppWidgetResizeFrame(Context context, AttributeSet attrs) {
|
this(context, attrs, 0);
|
}
|
|
public AppWidgetResizeFrame(Context context, AttributeSet attrs, int defStyleAttr) {
|
super(context, attrs, defStyleAttr);
|
|
mLauncher = Launcher.getLauncher(context);
|
mStateAnnouncer = DragViewStateAnnouncer.createFor(this);
|
|
mBackgroundPadding = getResources()
|
.getDimensionPixelSize(R.dimen.resize_frame_background_padding);
|
mTouchTargetWidth = 2 * mBackgroundPadding;
|
mFirstFrameAnimatorHelper = new FirstFrameAnimatorHelper(this);
|
|
for (int i = 0; i < HANDLE_COUNT; i++) {
|
mSystemGestureExclusionRects.add(new Rect());
|
}
|
}
|
|
@Override
|
protected void onFinishInflate() {
|
super.onFinishInflate();
|
|
ViewGroup content = (ViewGroup) getChildAt(0);
|
for (int i = 0; i < HANDLE_COUNT; i ++) {
|
mDragHandles[i] = content.getChildAt(i);
|
}
|
}
|
|
@Override
|
protected void onLayout(boolean changed, int l, int t, int r, int b) {
|
super.onLayout(changed, l, t, r, b);
|
if (Utilities.ATLEAST_Q) {
|
for (int i = 0; i < HANDLE_COUNT; i++) {
|
View dragHandle = mDragHandles[i];
|
mSystemGestureExclusionRects.get(i).set(dragHandle.getLeft(), dragHandle.getTop(),
|
dragHandle.getRight(), dragHandle.getBottom());
|
}
|
setSystemGestureExclusionRects(mSystemGestureExclusionRects);
|
}
|
}
|
|
public static void showForWidget(LauncherAppWidgetHostView widget, CellLayout cellLayout) {
|
Launcher launcher = Launcher.getLauncher(cellLayout.getContext());
|
AbstractFloatingView.closeAllOpenViews(launcher);
|
|
DragLayer dl = launcher.getDragLayer();
|
AppWidgetResizeFrame frame = (AppWidgetResizeFrame) launcher.getLayoutInflater()
|
.inflate(R.layout.app_widget_resize_frame, dl, false);
|
frame.setupForWidget(widget, cellLayout, dl);
|
((DragLayer.LayoutParams) frame.getLayoutParams()).customPosition = true;
|
|
dl.addView(frame);
|
frame.mIsOpen = true;
|
frame.snapToWidget(false);
|
}
|
|
private void setupForWidget(LauncherAppWidgetHostView widgetView, CellLayout cellLayout,
|
DragLayer dragLayer) {
|
mCellLayout = cellLayout;
|
mWidgetView = widgetView;
|
LauncherAppWidgetProviderInfo info = (LauncherAppWidgetProviderInfo)
|
widgetView.getAppWidgetInfo();
|
mResizeMode = info.resizeMode;
|
mDragLayer = dragLayer;
|
|
mMinHSpan = info.minSpanX;
|
mMinVSpan = info.minSpanY;
|
|
mWidgetPadding = AppWidgetHostView.getDefaultPaddingForWidget(getContext(),
|
widgetView.getAppWidgetInfo().provider, null);
|
|
if (mResizeMode == AppWidgetProviderInfo.RESIZE_HORIZONTAL) {
|
mDragHandles[INDEX_TOP].setVisibility(GONE);
|
mDragHandles[INDEX_BOTTOM].setVisibility(GONE);
|
} else if (mResizeMode == AppWidgetProviderInfo.RESIZE_VERTICAL) {
|
mDragHandles[INDEX_LEFT].setVisibility(GONE);
|
mDragHandles[INDEX_RIGHT].setVisibility(GONE);
|
}
|
|
// When we create the resize frame, we first mark all cells as unoccupied. The appropriate
|
// cells (same if not resized, or different) will be marked as occupied when the resize
|
// frame is dismissed.
|
mCellLayout.markCellsAsUnoccupiedForView(mWidgetView);
|
|
setOnKeyListener(this);
|
}
|
|
public boolean beginResizeIfPointInRegion(int x, int y) {
|
boolean horizontalActive = (mResizeMode & AppWidgetProviderInfo.RESIZE_HORIZONTAL) != 0;
|
boolean verticalActive = (mResizeMode & AppWidgetProviderInfo.RESIZE_VERTICAL) != 0;
|
|
mLeftBorderActive = (x < mTouchTargetWidth) && horizontalActive;
|
mRightBorderActive = (x > getWidth() - mTouchTargetWidth) && horizontalActive;
|
mTopBorderActive = (y < mTouchTargetWidth + mTopTouchRegionAdjustment) && verticalActive;
|
mBottomBorderActive = (y > getHeight() - mTouchTargetWidth + mBottomTouchRegionAdjustment)
|
&& verticalActive;
|
|
boolean anyBordersActive = mLeftBorderActive || mRightBorderActive
|
|| mTopBorderActive || mBottomBorderActive;
|
|
if (anyBordersActive) {
|
mDragHandles[INDEX_LEFT].setAlpha(mLeftBorderActive ? 1.0f : DIMMED_HANDLE_ALPHA);
|
mDragHandles[INDEX_RIGHT].setAlpha(mRightBorderActive ? 1.0f :DIMMED_HANDLE_ALPHA);
|
mDragHandles[INDEX_TOP].setAlpha(mTopBorderActive ? 1.0f : DIMMED_HANDLE_ALPHA);
|
mDragHandles[INDEX_BOTTOM].setAlpha(mBottomBorderActive ? 1.0f : DIMMED_HANDLE_ALPHA);
|
}
|
|
if (mLeftBorderActive) {
|
mDeltaXRange.set(-getLeft(), getWidth() - 2 * mTouchTargetWidth);
|
} else if (mRightBorderActive) {
|
mDeltaXRange.set(2 * mTouchTargetWidth - getWidth(), mDragLayer.getWidth() - getRight());
|
} else {
|
mDeltaXRange.set(0, 0);
|
}
|
mBaselineX.set(getLeft(), getRight());
|
|
if (mTopBorderActive) {
|
mDeltaYRange.set(-getTop(), getHeight() - 2 * mTouchTargetWidth);
|
} else if (mBottomBorderActive) {
|
mDeltaYRange.set(2 * mTouchTargetWidth - getHeight(), mDragLayer.getHeight() - getBottom());
|
} else {
|
mDeltaYRange.set(0, 0);
|
}
|
mBaselineY.set(getTop(), getBottom());
|
|
return anyBordersActive;
|
}
|
|
/**
|
* Based on the deltas, we resize the frame.
|
*/
|
public void visualizeResizeForDelta(int deltaX, int deltaY) {
|
mDeltaX = mDeltaXRange.clamp(deltaX);
|
mDeltaY = mDeltaYRange.clamp(deltaY);
|
|
DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams();
|
mDeltaX = mDeltaXRange.clamp(deltaX);
|
mBaselineX.applyDelta(mLeftBorderActive, mRightBorderActive, mDeltaX, mTempRange1);
|
lp.x = mTempRange1.start;
|
lp.width = mTempRange1.size();
|
|
mDeltaY = mDeltaYRange.clamp(deltaY);
|
mBaselineY.applyDelta(mTopBorderActive, mBottomBorderActive, mDeltaY, mTempRange1);
|
lp.y = mTempRange1.start;
|
lp.height = mTempRange1.size();
|
|
resizeWidgetIfNeeded(false);
|
|
// When the widget resizes in multi-window mode, the translation value changes to maintain
|
// a center fit. These overrides ensure the resize frame always aligns with the widget view.
|
getSnappedRectRelativeToDragLayer(sTmpRect);
|
if (mLeftBorderActive) {
|
lp.width = sTmpRect.width() + sTmpRect.left - lp.x;
|
}
|
if (mTopBorderActive) {
|
lp.height = sTmpRect.height() + sTmpRect.top - lp.y;
|
}
|
if (mRightBorderActive) {
|
lp.x = sTmpRect.left;
|
}
|
if (mBottomBorderActive) {
|
lp.y = sTmpRect.top;
|
}
|
|
requestLayout();
|
}
|
|
private static int getSpanIncrement(float deltaFrac) {
|
return Math.abs(deltaFrac) > RESIZE_THRESHOLD ? Math.round(deltaFrac) : 0;
|
}
|
|
/**
|
* Based on the current deltas, we determine if and how to resize the widget.
|
*/
|
private void resizeWidgetIfNeeded(boolean onDismiss) {
|
float xThreshold = mCellLayout.getCellWidth();
|
float yThreshold = mCellLayout.getCellHeight();
|
|
int hSpanInc = getSpanIncrement((mDeltaX + mDeltaXAddOn) / xThreshold - mRunningHInc);
|
int vSpanInc = getSpanIncrement((mDeltaY + mDeltaYAddOn) / yThreshold - mRunningVInc);
|
|
if (!onDismiss && (hSpanInc == 0 && vSpanInc == 0)) return;
|
|
mDirectionVector[0] = 0;
|
mDirectionVector[1] = 0;
|
|
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;
|
|
// For each border, we bound the resizing based on the minimum width, and the maximum
|
// expandability.
|
mTempRange1.set(cellX, spanX + cellX);
|
int hSpanDelta = mTempRange1.applyDeltaAndBound(mLeftBorderActive, mRightBorderActive,
|
hSpanInc, mMinHSpan, mCellLayout.getCountX(), mTempRange2);
|
cellX = mTempRange2.start;
|
spanX = mTempRange2.size();
|
if (hSpanDelta != 0) {
|
mDirectionVector[0] = mLeftBorderActive ? -1 : 1;
|
}
|
|
mTempRange1.set(cellY, spanY + cellY);
|
int vSpanDelta = mTempRange1.applyDeltaAndBound(mTopBorderActive, mBottomBorderActive,
|
vSpanInc, mMinVSpan, mCellLayout.getCountY(), mTempRange2);
|
cellY = mTempRange2.start;
|
spanY = mTempRange2.size();
|
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)) {
|
if (mStateAnnouncer != null && (lp.cellHSpan != spanX || lp.cellVSpan != spanY) ) {
|
mStateAnnouncer.announce(
|
mLauncher.getString(R.string.widget_resized, spanX, spanY));
|
}
|
|
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();
|
}
|
|
static void updateWidgetSizeRanges(AppWidgetHostView widgetView, Launcher launcher,
|
int spanX, int spanY) {
|
getWidgetSizeRanges(launcher, spanX, spanY, sTmpRect);
|
widgetView.updateAppWidgetSize(null, sTmpRect.left, sTmpRect.top,
|
sTmpRect.right, sTmpRect.bottom);
|
}
|
|
public static Rect getWidgetSizeRanges(Context context, int spanX, int spanY, Rect rect) {
|
if (sCellSize == null) {
|
InvariantDeviceProfile inv = LauncherAppState.getIDP(context);
|
|
// Initiate cell sizes.
|
sCellSize = new Point[2];
|
sCellSize[0] = inv.landscapeProfile.getCellSize();
|
sCellSize[1] = inv.portraitProfile.getCellSize();
|
}
|
|
if (rect == null) {
|
rect = new Rect();
|
}
|
final float density = context.getResources().getDisplayMetrics().density;
|
|
// Compute landscape size
|
int landWidth = (int) ((spanX * sCellSize[0].x) / density);
|
int landHeight = (int) ((spanY * sCellSize[0].y) / density);
|
|
// Compute portrait size
|
int portWidth = (int) ((spanX * sCellSize[1].x) / density);
|
int portHeight = (int) ((spanY * sCellSize[1].y) / density);
|
rect.set(portWidth, landHeight, landWidth, portHeight);
|
return rect;
|
}
|
|
@Override
|
protected void onDetachedFromWindow() {
|
super.onDetachedFromWindow();
|
|
// We are done with resizing the widget. Save the widget size & position to LauncherModel
|
resizeWidgetIfNeeded(true);
|
}
|
|
private void onTouchUp() {
|
int xThreshold = mCellLayout.getCellWidth();
|
int yThreshold = mCellLayout.getCellHeight();
|
|
mDeltaXAddOn = mRunningHInc * xThreshold;
|
mDeltaYAddOn = mRunningVInc * yThreshold;
|
mDeltaX = 0;
|
mDeltaY = 0;
|
|
post(() -> snapToWidget(true));
|
}
|
|
/**
|
* Returns the rect of this view when the frame is snapped around the widget, with the bounds
|
* relative to the {@link DragLayer}.
|
*/
|
private void getSnappedRectRelativeToDragLayer(Rect out) {
|
float scale = mWidgetView.getScaleToFit();
|
|
mDragLayer.getViewRectRelativeToSelf(mWidgetView, out);
|
|
int width = 2 * mBackgroundPadding
|
+ (int) (scale * (out.width() - mWidgetPadding.left - mWidgetPadding.right));
|
int height = 2 * mBackgroundPadding
|
+ (int) (scale * (out.height() - mWidgetPadding.top - mWidgetPadding.bottom));
|
|
int x = (int) (out.left - mBackgroundPadding + scale * mWidgetPadding.left);
|
int y = (int) (out.top - mBackgroundPadding + scale * mWidgetPadding.top);
|
|
out.left = x;
|
out.top = y;
|
out.right = out.left + width;
|
out.bottom = out.top + height;
|
}
|
|
private void snapToWidget(boolean animate) {
|
getSnappedRectRelativeToDragLayer(sTmpRect);
|
int newWidth = sTmpRect.width();
|
int newHeight = sTmpRect.height();
|
int newX = sTmpRect.left;
|
int newY = sTmpRect.top;
|
|
// We need to make sure the frame's touchable regions lie fully within the bounds of the
|
// DragLayer. We allow the actual handles to be clipped, but we shift the touch regions
|
// down accordingly to provide a proper touch target.
|
if (newY < 0) {
|
// In this case we shift the touch region down to start at the top of the DragLayer
|
mTopTouchRegionAdjustment = -newY;
|
} else {
|
mTopTouchRegionAdjustment = 0;
|
}
|
if (newY + newHeight > mDragLayer.getHeight()) {
|
// In this case we shift the touch region up to end at the bottom of the DragLayer
|
mBottomTouchRegionAdjustment = -(newY + newHeight - mDragLayer.getHeight());
|
} else {
|
mBottomTouchRegionAdjustment = 0;
|
}
|
|
final DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams();
|
if (!animate) {
|
lp.width = newWidth;
|
lp.height = newHeight;
|
lp.x = newX;
|
lp.y = newY;
|
for (int i = 0; i < HANDLE_COUNT; i++) {
|
mDragHandles[i].setAlpha(1.0f);
|
}
|
requestLayout();
|
} else {
|
ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(lp,
|
PropertyValuesHolder.ofInt(LAYOUT_WIDTH, lp.width, newWidth),
|
PropertyValuesHolder.ofInt(LAYOUT_HEIGHT, lp.height, newHeight),
|
PropertyValuesHolder.ofInt(LAYOUT_X, lp.x, newX),
|
PropertyValuesHolder.ofInt(LAYOUT_Y, lp.y, newY));
|
mFirstFrameAnimatorHelper.addTo(oa).addUpdateListener(a -> requestLayout());
|
|
AnimatorSet set = new AnimatorSet();
|
set.play(oa);
|
for (int i = 0; i < HANDLE_COUNT; i++) {
|
set.play(mFirstFrameAnimatorHelper.addTo(
|
ObjectAnimator.ofFloat(mDragHandles[i], ALPHA, 1f)));
|
}
|
set.setDuration(SNAP_DURATION);
|
set.start();
|
}
|
|
setFocusableInTouchMode(true);
|
requestFocus();
|
}
|
|
@Override
|
public boolean onKey(View v, int keyCode, KeyEvent event) {
|
// Clear the frame and give focus to the widget host view when a directional key is pressed.
|
if (FocusLogic.shouldConsume(keyCode)) {
|
close(false);
|
mWidgetView.requestFocus();
|
return true;
|
}
|
return false;
|
}
|
|
private boolean handleTouchDown(MotionEvent ev) {
|
Rect hitRect = new Rect();
|
int x = (int) ev.getX();
|
int y = (int) ev.getY();
|
|
getHitRect(hitRect);
|
if (hitRect.contains(x, y)) {
|
if (beginResizeIfPointInRegion(x - getLeft(), y - getTop())) {
|
mXDown = x;
|
mYDown = y;
|
return true;
|
}
|
}
|
return false;
|
}
|
|
@Override
|
public boolean onControllerTouchEvent(MotionEvent ev) {
|
int action = ev.getAction();
|
int x = (int) ev.getX();
|
int y = (int) ev.getY();
|
|
switch (action) {
|
case MotionEvent.ACTION_DOWN:
|
return handleTouchDown(ev);
|
case MotionEvent.ACTION_MOVE:
|
visualizeResizeForDelta(x - mXDown, y - mYDown);
|
break;
|
case MotionEvent.ACTION_CANCEL:
|
case MotionEvent.ACTION_UP:
|
visualizeResizeForDelta(x - mXDown, y - mYDown);
|
onTouchUp();
|
mXDown = mYDown = 0;
|
break;
|
}
|
return true;
|
}
|
|
@Override
|
public boolean onControllerInterceptTouchEvent(MotionEvent ev) {
|
if (ev.getAction() == MotionEvent.ACTION_DOWN && handleTouchDown(ev)) {
|
return true;
|
}
|
close(false);
|
return false;
|
}
|
|
@Override
|
protected void handleClose(boolean animate) {
|
mDragLayer.removeView(this);
|
}
|
|
@Override
|
public void logActionCommand(int command) {
|
// TODO: Log this case.
|
}
|
|
@Override
|
protected boolean isOfType(int type) {
|
return (type & TYPE_WIDGET_RESIZE_FRAME) != 0;
|
}
|
|
/**
|
* A mutable class for describing the range of two int values.
|
*/
|
private static class IntRange {
|
|
public int start, end;
|
|
public int clamp(int value) {
|
return Utilities.boundToRange(value, start, end);
|
}
|
|
public void set(int s, int e) {
|
start = s;
|
end = e;
|
}
|
|
public int size() {
|
return end - start;
|
}
|
|
/**
|
* Moves either the start or end edge (but never both) by {@param delta} and sets the
|
* result in {@param out}
|
*/
|
public void applyDelta(boolean moveStart, boolean moveEnd, int delta, IntRange out) {
|
out.start = moveStart ? start + delta : start;
|
out.end = moveEnd ? end + delta : end;
|
}
|
|
/**
|
* Applies delta similar to {@link #applyDelta(boolean, boolean, int, IntRange)},
|
* with extra conditions.
|
* @param minSize minimum size after with the moving edge should not be shifted any further.
|
* For eg, if delta = -3 when moving the endEdge brings the size to less than
|
* minSize, only delta = -2 will applied
|
* @param maxEnd The maximum value to the end edge (start edge is always restricted to 0)
|
* @return the amount of increase when endEdge was moves and the amount of decrease when
|
* the start edge was moved.
|
*/
|
public int applyDeltaAndBound(boolean moveStart, boolean moveEnd, int delta,
|
int minSize, int maxEnd, IntRange out) {
|
applyDelta(moveStart, moveEnd, delta, out);
|
if (out.start < 0) {
|
out.start = 0;
|
}
|
if (out.end > maxEnd) {
|
out.end = maxEnd;
|
}
|
if (out.size() < minSize) {
|
if (moveStart) {
|
out.start = out.end - minSize;
|
} else if (moveEnd) {
|
out.end = out.start + minSize;
|
}
|
}
|
return moveEnd ? out.size() - size() : size() - out.size();
|
}
|
}
|
}
|
