/** Returns the current dim. */
public void setDim(int dim) {
mDimAlpha = dim;
if (mConfig.useHardwareLayers) {
// Defer setting hardware layers if we have not yet measured, or there is no dim to draw
if (getMeasuredWidth() > 0 && getMeasuredHeight() > 0) {
mDimColorFilter.setColor(Color.argb(mDimAlpha, 0, 0, 0));
mDimLayerPaint.setColorFilter(mDimColorFilter);
mContent.setLayerType(LAYER_TYPE_HARDWARE, mDimLayerPaint);
}
} else {
float dimAlpha = mDimAlpha / 255.0f;
if (mThumbnailView != null) {
mThumbnailView.setDimAlpha(dimAlpha);
}
if (mHeaderView != null) {
mHeaderView.setDimAlpha(dim);
}
}
}
