Merge "Fade out the notification/settings panels just before close." into jb-mr1-dev

            }

        }

        // fade out the panel as it gets buried into the status bar to avoid overdrawing the

        // status bar on the last frame of a close animation

        final int H = mBar.getStatusBarHeight();

        final float ph = panel.getExpandedHeight() + panel.getPaddingBottom();

        float alpha = 1f;

        if (ph < 2*H) {

            if (ph < H) alpha = 0f;

            else alpha = (ph - H) / H;

            alpha = alpha * alpha; // get there faster

        }

        if (panel.getAlpha() != alpha) {

            panel.setAlpha(alpha);

        }

        mBar.updateCarrierLabelVisibility(false);

    }

}