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Making folders scrollable

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Change-Id: Id6c9ec62acc6d86dc627d20abad3e2d92010f539
This commit is contained in:
Adam Cohen
2013-06-06 21:27:03 -07:00
parent e441bbc7d2
commit f0f4eda318
9 changed files with 310 additions and 92 deletions
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18
src/com/android/launcher3/CellLayout.java
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@@ -106,6 +106,10 @@ public class CellLayout extends ViewGroup {
private Rect mForegroundRect;
private int mForegroundPadding;
// These values allow a fixed measurement to be set on the CellLayout.
private int mFixedWidth = -1;
private int mFixedHeight = -1;
// If we're actively dragging something over this screen, mIsDragOverlapping is true
private boolean mIsDragOverlapping = false;
private final Point mDragCenter = new Point();
@@ -972,6 +976,11 @@ public class CellLayout extends ViewGroup {
metrics.set(cellWidth, cellHeight, widthGap, heightGap);
}
public void setFixedSize(int width, int height) {
mFixedWidth = width;
mFixedHeight = height;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec);
@@ -980,7 +989,12 @@ public class CellLayout extends ViewGroup {
int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);
int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec);
if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) {
int newWidth = widthSpecSize;
int newHeight = heightSpecSize;
if (mFixedWidth > 0 && mFixedHeight > 0) {
newWidth = mFixedWidth;
newHeight = mFixedHeight;
} else if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) {
throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions");
}
@@ -1002,8 +1016,6 @@ public class CellLayout extends ViewGroup {
}
// Initial values correspond to widthSpecMode == MeasureSpec.EXACTLY
int newWidth = widthSpecSize;
int newHeight = heightSpecSize;
if (widthSpecMode == MeasureSpec.AT_MOST) {
newWidth = getPaddingLeft() + getPaddingRight() + (mCountX * mCellWidth) +
((mCountX - 1) * mWidthGap);