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Commit 3b00da27 authored by Will Leshner's avatar Will Leshner
Browse files

Animate status bar alpha during dream<->lockscreen transitions. 

Bug: 283123378
Test: atest KeyguardTransitionScenariosTest, NotificationPanelViewControllerTest
Change-Id: Ic20f42ee009ca44f14e257c460e929b96e54c15e
parent 55517bae

packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java

+14 −2
Original line number Diff line number Diff line
@@ -1118,7 +1118,8 @@ public final class NotificationPanelViewController implements ShadeSurface, Dump 
        collectFlow(mView, mKeyguardTransitionInteractor.getDreamingToLockscreenTransition(),

                mDreamingToLockscreenTransition, mMainDispatcher);

        collectFlow(mView, mDreamingToLockscreenTransitionViewModel.getLockscreenAlpha(),

                setTransitionAlpha(mNotificationStackScrollLayoutController), mMainDispatcher);

                setDreamLockscreenTransitionAlpha(mNotificationStackScrollLayoutController),

                mMainDispatcher);

        collectFlow(mView, mDreamingToLockscreenTransitionViewModel.lockscreenTranslationY(

                mDreamingToLockscreenTransitionTranslationY),

                setTransitionY(mNotificationStackScrollLayoutController), mMainDispatcher);
@@ -1154,7 +1155,8 @@ public final class NotificationPanelViewController implements ShadeSurface, Dump 
        collectFlow(mView, mKeyguardTransitionInteractor.getLockscreenToDreamingTransition(),

                mLockscreenToDreamingTransition, mMainDispatcher);

        collectFlow(mView, mLockscreenToDreamingTransitionViewModel.getLockscreenAlpha(),

                setTransitionAlpha(mNotificationStackScrollLayoutController), mMainDispatcher);

                setDreamLockscreenTransitionAlpha(mNotificationStackScrollLayoutController),

                mMainDispatcher);

        collectFlow(mView, mLockscreenToDreamingTransitionViewModel.lockscreenTranslationY(

                mLockscreenToDreamingTransitionTranslationY),

                setTransitionY(mNotificationStackScrollLayoutController), mMainDispatcher);
@@ -4718,6 +4720,16 @@ public final class NotificationPanelViewController implements ShadeSurface, Dump 
        mCurrentPanelState = state;

    }



    private Consumer<Float> setDreamLockscreenTransitionAlpha(

            NotificationStackScrollLayoutController stackScroller) {

        return (Float alpha) -> {

            // Also animate the status bar's alpha during transitions between the lockscreen and

            // dreams.

            mKeyguardStatusBarViewController.setAlpha(alpha);

            setTransitionAlpha(stackScroller).accept(alpha);

        };

    }



    private Consumer<Float> setTransitionAlpha(

            NotificationStackScrollLayoutController stackScroller) {

        return (Float alpha) -> {