Adds the staggered ring unlock animation!

Bug: 197636896
Test: a lot of unlocking
Change-Id: I18438b279c911c4f6ca37d954eeca506a1e05980

packages/SystemUI/shared/src/com/android/systemui/shared/system/smartspace/ILauncherUnlockAnimationController.aidl

@@ -30,7 +30,7 @@ interface ILauncherUnlockAnimationController {
 
     // Play a full unlock animation from 0f to 1f. This is used when System UI is unlocking from a
     // single action, such as biometric auth, and doesn't need to control individual frames.
-    oneway void playUnlockAnimation(boolean unlocked, long duration);
+    oneway void playUnlockAnimation(boolean unlocked, long duration, long startDelay);
 
     // Set the selected page on Launcher's smartspace.
     oneway void setSmartspaceSelectedPage(int selectedPage);

packages/SystemUI/src/com/android/systemui/keyguard/KeyguardUnlockAnimationController.kt

@@ -23,6 +23,7 @@ import android.content.Context
 import android.graphics.Matrix
 import android.graphics.Rect
 import android.os.Handler
+import android.provider.Settings
 import android.util.Log
 import android.view.RemoteAnimationTarget
 import android.view.SyncRtSurfaceTransactionApplier
@@ -93,6 +94,20 @@ const val DISMISS_AMOUNT_EXIT_KEYGUARD_THRESHOLD = 0.4f
  */
 const val UNLOCK_ANIMATION_DURATION_MS = 200L
 
+/**
+ * How long the in-window launcher icon animation takes. This is used if the launcher is underneath
+ * the lock screen and supports in-window animations.
+ *
+ * This animation will take place entirely within the Launcher window. We can safely unlock the
+ * device, end remote animations, etc. even if this is still running.
+ */
+const val LAUNCHER_ICONS_ANIMATION_DURATION_MS = 633L
+
+/**
+ * How long to wait for the shade to get out of the way before starting the canned unlock animation.
+ */
+const val CANNED_UNLOCK_START_DELAY = 100L
+
 /**
  * Duration for the alpha animation on the surface behind. This plays to fade in the surface during
  * a swipe to unlock (and to fade it back out if the swipe is cancelled).
@@ -119,7 +134,7 @@ const val UNLOCK_ANIMATION_SURFACE_BEHIND_START_DELAY_MS = 75L
  */
 @SysUISingleton
 class KeyguardUnlockAnimationController @Inject constructor(
-    context: Context,
+    private val context: Context,
     private val keyguardStateController: KeyguardStateController,
     private val
     keyguardViewMediator: Lazy<KeyguardViewMediator>,
@@ -483,23 +498,34 @@ class KeyguardUnlockAnimationController @Inject constructor(
      * transition if possible.
      */
     private fun unlockToLauncherWithInWindowAnimations() {
-        unlockingToLauncherWithInWindowAnimations = true
-
         // See if we can do the smartspace transition, and if so, do it!
         if (prepareForSmartspaceTransition()) {
             animateSmartspaceToDestination()
             listeners.forEach { it.onSmartspaceSharedElementTransitionStarted() }
         }
 
-        // Tell the launcher to prepare for the animation by setting its views invisible and
+        val startDelay = Settings.Secure.getLong(
-        // syncing the selected smartspace pages.
+            context.contentResolver, "unlock_start_delay", CANNED_UNLOCK_START_DELAY)
-        launcherUnlockController?.prepareForUnlock(
+        val duration = Settings.Secure.getLong(
-            unlockingWithSmartspaceTransition /* willAnimateSmartspace */,
+            context.contentResolver, "unlock_duration", LAUNCHER_ICONS_ANIMATION_DURATION_MS)
-            (lockscreenSmartspace as BcSmartspaceDataPlugin.SmartspaceView?)?.selectedPage ?: -1)
 
-        // Begin the animation.
+        unlockingToLauncherWithInWindowAnimations = true
+        prepareLauncherWorkspaceForUnlockAnimation()
+
+        // Begin the animation, waiting for the shade to animate out.
         launcherUnlockController?.playUnlockAnimation(
-            true /* unlocked */, UNLOCK_ANIMATION_DURATION_MS)
+            true /* unlocked */,
+            duration /* duration */,
+            startDelay /* startDelay */)
+
+        handler.postDelayed({
+            applyParamsToSurface(
+                SyncRtSurfaceTransactionApplier.SurfaceParams.Builder(
+                    surfaceBehindRemoteAnimationTarget!!.leash)
+                    .withAlpha(1f)
+                    .build())
+        }, startDelay)
+
         if (!unlockingWithSmartspaceTransition) {
             // If we are not unlocking with the smartspace transition, wait for the unlock animation
             // to end and then finish the remote animation. If we are using the smartspace
@@ -509,9 +535,18 @@ class KeyguardUnlockAnimationController @Inject constructor(
                     false /* cancelled */)
             }, UNLOCK_ANIMATION_DURATION_MS)
         }
+    }
 
-        // Wait a moment, then show the launcher surface.
+    /**
-        setSurfaceBehindAppearAmount(1f)
+     * Asks Launcher to prepare the workspace to be unlocked. This sets up the animation and makes
+     * the page invisible.
+     */
+    private fun prepareLauncherWorkspaceForUnlockAnimation() {
+        // Tell the launcher to prepare for the animation by setting its views invisible and
+        // syncing the selected smartspace pages.
+        launcherUnlockController?.prepareForUnlock(
+            unlockingWithSmartspaceTransition /* willAnimateSmartspace */,
+            (lockscreenSmartspace as BcSmartspaceDataPlugin.SmartspaceView?)?.selectedPage ?: -1)
     }
 
     /**
@@ -615,8 +650,11 @@ class KeyguardUnlockAnimationController @Inject constructor(
         }
 
         if (unlockingToLauncherWithInWindowAnimations) {
-            // If we're using the in-window launcher animations, and haven't yet applied alpha = 1f
+            // If we aren't using the canned unlock animation (which would be setting the unlock
-            // to the launcher surface, do that now so we can see the launcher animations.
+            // amount in its update listener), do it here.
+            if (!isPlayingCannedUnlockAnimation()) {
+                launcherUnlockController?.setUnlockAmount(amount)
+
                 if (surfaceBehindParams?.alpha?.let { it < 1f } != false) {
                     applyParamsToSurface(
                         SyncRtSurfaceTransactionApplier.SurfaceParams.Builder(
@@ -624,11 +662,6 @@ class KeyguardUnlockAnimationController @Inject constructor(
                             .withAlpha(1f)
                             .build())
                 }
-
-            // If we aren't using the canned unlock animation (which would be setting the unlock
-            // amount in its update listener), do it here.
-            if (!isPlayingCannedUnlockAnimation()) {
-                launcherUnlockController?.setUnlockAmount(amount)
             }
         } else {
             // Otherwise, animate in the surface's scale/transltion.
@@ -743,9 +776,10 @@ class KeyguardUnlockAnimationController @Inject constructor(
                 !keyguardViewMediator.get().requestedShowSurfaceBehindKeyguard()) {
             // We passed the threshold, and we're not yet showing the surface behind the
             // keyguard. Animate it in.
-            if (canPerformInWindowLauncherAnimations()) {
+            if (!unlockingToLauncherWithInWindowAnimations &&
-                launcherUnlockController?.setUnlockAmount(0f)
+                canPerformInWindowLauncherAnimations()) {
                 unlockingToLauncherWithInWindowAnimations = true
+                prepareLauncherWorkspaceForUnlockAnimation()
             }
             keyguardViewMediator.get().showSurfaceBehindKeyguard()
             fadeInSurfaceBehind()
@@ -928,7 +962,11 @@ class KeyguardUnlockAnimationController @Inject constructor(
      * the device.
      */
     fun canPerformInWindowLauncherAnimations(): Boolean {
-        return isNexusLauncherUnderneath() && launcherUnlockController != null
+        return isNexusLauncherUnderneath() &&
+                launcherUnlockController != null &&
+                // Temporarily disable for foldables since foldable launcher has two first pages,
+                // which breaks the in-window animation.
+                !isFoldable(context)
     }
 
     /**
@@ -969,5 +1007,9 @@ class KeyguardUnlockAnimationController @Inject constructor(
                     .runningTask?.topActivity?.className?.equals(
                             QuickStepContract.LAUNCHER_ACTIVITY_CLASS_NAME) ?: false
         }
+
+        fun isFoldable(context: Context): Boolean {
+            return context.resources.getIntArray(R.array.config_foldedDeviceStates).isNotEmpty()
+        }
     }
 }

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

@@ -903,7 +903,7 @@ public class NotificationPanelViewController extends PanelViewController {
                                 onTrackingStopped(false);
                                 instantCollapse();
                             } else {
-                                fling(0f, false, 0.7f, false);
+                                fling(0f, false, 1f, false);
                             }
                         }
                     }