Merge "Revert "Revert "Update overscroll and toast UI""" into oc-dr1-dev

    // Time it will take in ms for a pulled glow to decay to partial strength before release

    private static final int PULL_DECAY_TIME = 2000;

    private static final float MAX_ALPHA = 0.5f;

    private static final float MAX_ALPHA = 0.15f;

    private static final float GLOW_ALPHA_START = .09f;

    private static final float MAX_GLOW_SCALE = 2.f;

    private static final double ANGLE = Math.PI / 6;

    private static final float SIN = (float) Math.sin(ANGLE);

    private static final float COS = (float) Math.cos(ANGLE);

    private static final float RADIUS_FACTOR = 0.6f;

    private float mGlowAlpha;

    private float mGlowScaleY;

     * @param height Effect height in pixels

     */

    public void setSize(int width, int height) {

        final float r = width * 0.75f / SIN;

        final float r = width * RADIUS_FACTOR / SIN;

        final float y = COS * r;

        final float h = r - y;

        final float or = height * 0.75f / SIN;

        final float or = height * RADIUS_FACTOR / SIN;

        final float oy = COS * or;

        final float oh = or - oy;

        // The glow depends more on the velocity, and therefore starts out

        // nearly invisible.

        mGlowAlphaStart = 0.3f;

        mGlowAlphaStart = GLOW_ALPHA_START;

        mGlowScaleYStart = Math.max(mGlowScaleY, 0.f);