private Bitmap mDragOutline = null;
private final Rect mTempRect = new Rect();
private final int[] mTempXY = new int[2];
+ private int[] mTempVisiblePagesRange = new int[2];
private float mOverscrollFade = 0;
private boolean mOverscrollTransformsSet;
public static final int DRAG_BITMAP_PADDING = 2;
CellLayout cl = ((CellLayout) child);
cl.setOnInterceptTouchListener(this);
cl.setClickable(true);
- cl.enableHardwareLayers();
cl.setContentDescription(getContext().getString(
R.string.workspace_description_format, getChildCount()));
}
super.screenScrolled(screenCenter);
updatePageAlphaValues(screenCenter);
+ enableHwLayersOnVisiblePages();
if (mOverScrollX < 0 || mOverScrollX > mMaxScrollX) {
int index = mOverScrollX < 0 ? 0 : getChildCount() - 1;
if (enableChildrenLayers != mChildrenLayersEnabled) {
mChildrenLayersEnabled = enableChildrenLayers;
- for (int i = 0; i < getPageCount(); i++) {
- CellLayout cl = (CellLayout) getChildAt(i);
- cl.getShortcutsAndWidgets().setLayerType(
- mChildrenLayersEnabled ? LAYER_TYPE_HARDWARE : LAYER_TYPE_NONE, null);
+ if (mChildrenLayersEnabled) {
+ enableHwLayersOnVisiblePages();
+ } else {
+ for (int i = 0; i < getPageCount(); i++) {
+ final CellLayout cl = (CellLayout) getChildAt(i);
+ cl.disableHardwareLayers();
+ }
+ }
+ }
+ }
+
+ private void enableHwLayersOnVisiblePages() {
+ if (mChildrenLayersEnabled) {
+ final int screenCount = getChildCount();
+ getVisiblePages(mTempVisiblePagesRange);
+ int leftScreen = mTempVisiblePagesRange[0];
+ int rightScreen = mTempVisiblePagesRange[1];
+ if (leftScreen == rightScreen) {
+ // make sure we're caching at least two pages always
+ if (rightScreen < screenCount - 1) {
+ rightScreen++;
+ } else if (leftScreen > 0) {
+ leftScreen--;
+ }
+ }
+ for (int i = 0; i < screenCount; i++) {
+ final CellLayout layout = (CellLayout) getChildAt(i);
+ if (!(leftScreen <= i && i <= rightScreen && shouldDrawChild(layout))) {
+ layout.disableHardwareLayers();
+ }
+ }
+ for (int i = 0; i < screenCount; i++) {
+ final CellLayout layout = (CellLayout) getChildAt(i);
+ if (leftScreen <= i && i <= rightScreen && shouldDrawChild(layout)) {
+ layout.enableHardwareLayers();
+ }
}
}
}
final int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
CellLayout cl = (CellLayout) getChildAt(i);
- cl.getShortcutsAndWidgets().buildLayer();
+ cl.buildHardwareLayer();
}
}
updateChildrenLayersEnabled(false);