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Commit 4dab4b50 authored by Xiaohui Chen's avatar Xiaohui Chen
Browse files

sysui: refactor scrim controller 

Allow show or hide scrim behind.  This toggles scrim behind to fully
transparent or not.

Bug: 27504706
Bug: 27348736

Change-Id: If9734587ad8dadb94bcf3357388a5ed19d0c1fb8
parent 4b1d8b07

packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java

+21 −5
Original line number Original line Diff line number Diff line
@@ -45,7 +45,6 @@ public class ScrimController implements ViewTreeObserver.OnPreDrawListener, 
    public static final long ANIMATION_DURATION = 220;

    public static final long ANIMATION_DURATION = 220;

    public static final Interpolator KEYGUARD_FADE_OUT_INTERPOLATOR

    public static final Interpolator KEYGUARD_FADE_OUT_INTERPOLATOR

            = new PathInterpolator(0f, 0, 0.7f, 1f);

            = new PathInterpolator(0f, 0, 0.7f, 1f);



    private static final float SCRIM_BEHIND_ALPHA = 0.62f;

    private static final float SCRIM_BEHIND_ALPHA = 0.62f;

    private static final float SCRIM_BEHIND_ALPHA_KEYGUARD = 0.45f;

    private static final float SCRIM_BEHIND_ALPHA_KEYGUARD = 0.45f;

    private static final float SCRIM_BEHIND_ALPHA_UNLOCKING = 0.2f;

    private static final float SCRIM_BEHIND_ALPHA_UNLOCKING = 0.2f;
@@ -60,6 +59,10 @@ public class ScrimController implements ViewTreeObserver.OnPreDrawListener, 
    private final UnlockMethodCache mUnlockMethodCache;

    private final UnlockMethodCache mUnlockMethodCache;

    private final View mHeadsUpScrim;

    private final View mHeadsUpScrim;





    private float mScrimBehindAlpha = SCRIM_BEHIND_ALPHA;

    private float mScrimBehindAlphaKeyguard = SCRIM_BEHIND_ALPHA_KEYGUARD;

    private float mScrimBehindAlphaUnlocking = SCRIM_BEHIND_ALPHA_UNLOCKING;



    protected boolean mKeyguardShowing;

    protected boolean mKeyguardShowing;

    private float mFraction;

    private float mFraction;
@@ -101,6 +104,19 @@ public class ScrimController implements ViewTreeObserver.OnPreDrawListener, 
        scheduleUpdate();

        scheduleUpdate();

    }

    }





    public void setShowScrimBehind(boolean show) {

        if (show) {

            mScrimBehindAlpha = SCRIM_BEHIND_ALPHA;

            mScrimBehindAlphaKeyguard = SCRIM_BEHIND_ALPHA_KEYGUARD;

            mScrimBehindAlphaUnlocking = SCRIM_BEHIND_ALPHA_UNLOCKING;

        } else {

            mScrimBehindAlpha = 0;

            mScrimBehindAlphaKeyguard = 0;

            mScrimBehindAlphaUnlocking = 0;

        }

        scheduleUpdate();

    }



    public void onTrackingStarted() {

    public void onTrackingStarted() {

        mExpanding = true;

        mExpanding = true;

        mDarkenWhileDragging = !mUnlockMethodCache.canSkipBouncer();

        mDarkenWhileDragging = !mUnlockMethodCache.canSkipBouncer();
@@ -229,7 +245,7 @@ public class ScrimController implements ViewTreeObserver.OnPreDrawListener, 
            fraction = (float) Math.pow(fraction, 0.8f);

            fraction = (float) Math.pow(fraction, 0.8f);

            behindFraction = (float) Math.pow(behindFraction, 0.8f);

            behindFraction = (float) Math.pow(behindFraction, 0.8f);

            setScrimInFrontColor(fraction * SCRIM_IN_FRONT_ALPHA);

            setScrimInFrontColor(fraction * SCRIM_IN_FRONT_ALPHA);

            setScrimBehindColor(behindFraction * SCRIM_BEHIND_ALPHA_KEYGUARD);

            setScrimBehindColor(behindFraction * mScrimBehindAlphaKeyguard);

        } else if (mBouncerShowing) {

        } else if (mBouncerShowing) {

            setScrimInFrontColor(SCRIM_IN_FRONT_ALPHA);

            setScrimInFrontColor(SCRIM_IN_FRONT_ALPHA);

            setScrimBehindColor(0f);

            setScrimBehindColor(0f);
@@ -237,8 +253,8 @@ public class ScrimController implements ViewTreeObserver.OnPreDrawListener, 
            float fraction = Math.max(0, Math.min(mFraction, 1));

            float fraction = Math.max(0, Math.min(mFraction, 1));

            setScrimInFrontColor(0f);

            setScrimInFrontColor(0f);

            setScrimBehindColor(fraction

            setScrimBehindColor(fraction

                    * (SCRIM_BEHIND_ALPHA_KEYGUARD - SCRIM_BEHIND_ALPHA_UNLOCKING)

                    * (mScrimBehindAlphaKeyguard - mScrimBehindAlphaUnlocking)

                    + SCRIM_BEHIND_ALPHA_UNLOCKING);

                    + mScrimBehindAlphaUnlocking);

        }

        }

    }

    }
@@ -251,7 +267,7 @@ public class ScrimController implements ViewTreeObserver.OnPreDrawListener, 
        } else {

        } else {

            // woo, special effects

            // woo, special effects

            final float k = (float)(1f-0.5f*(1f-Math.cos(3.14159f * Math.pow(1f-frac, 2f))));

            final float k = (float)(1f-0.5f*(1f-Math.cos(3.14159f * Math.pow(1f-frac, 2f))));

            setScrimBehindColor(k * SCRIM_BEHIND_ALPHA);

            setScrimBehindColor(k * mScrimBehindAlpha);

        }

        }

    }

    }