Merge "Use ktfmt.sh wrapper for ktfmt hook" into main
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
index 8bcdaa3..7adce74 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
@@ -45,6 +45,7 @@
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_SCREEN_PINNING;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING_OCCLUDED;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_TOUCHPAD_GESTURES_DISABLED;
 
 import android.app.ActivityTaskManager;
 import android.content.Context;
@@ -386,7 +387,7 @@
         boolean canStartWithNavHidden = (mSystemUiStateFlags & SYSUI_STATE_NAV_BAR_HIDDEN) == 0
                 || (mSystemUiStateFlags & SYSUI_STATE_ALLOW_GESTURE_IGNORING_BAR_VISIBILITY) != 0
                 || mRotationTouchHelper.isTaskListFrozen();
-        return canStartWithNavHidden && canStartTrackpadGesture();
+        return canStartWithNavHidden && canStartAnyGesture();
     }
 
     /**
@@ -395,14 +396,24 @@
      * mode.
      */
     public boolean canStartTrackpadGesture() {
-        return (mSystemUiStateFlags & SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED) == 0
-                && (mSystemUiStateFlags & SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING) == 0
-                && (mSystemUiStateFlags & SYSUI_STATE_QUICK_SETTINGS_EXPANDED) == 0
-                && (mSystemUiStateFlags & SYSUI_STATE_MAGNIFICATION_OVERLAP) == 0
-                && ((mSystemUiStateFlags & SYSUI_STATE_HOME_DISABLED) == 0
-                        || (mSystemUiStateFlags & SYSUI_STATE_OVERVIEW_DISABLED) == 0)
-                && (mSystemUiStateFlags & SYSUI_STATE_DEVICE_DREAMING) == 0
-                && (mSystemUiStateFlags & SYSUI_STATE_DISABLE_GESTURE_SPLIT_INVOCATION) == 0;
+        boolean trackpadGesturesEnabled =
+                (mSystemUiStateFlags & SYSUI_STATE_TOUCHPAD_GESTURES_DISABLED) == 0;
+        return trackpadGesturesEnabled && canStartAnyGesture();
+    }
+
+    /**
+     * Common logic to determine if either trackpad or finger gesture can be started
+     */
+    private boolean canStartAnyGesture() {
+        boolean homeOrOverviewEnabled = (mSystemUiStateFlags & SYSUI_STATE_HOME_DISABLED) == 0
+                || (mSystemUiStateFlags & SYSUI_STATE_OVERVIEW_DISABLED) == 0;
+        long gestureDisablingStates = SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED
+                        | SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING
+                        | SYSUI_STATE_QUICK_SETTINGS_EXPANDED
+                        | SYSUI_STATE_MAGNIFICATION_OVERLAP
+                        | SYSUI_STATE_DEVICE_DREAMING
+                        | SYSUI_STATE_DISABLE_GESTURE_SPLIT_INVOCATION;
+        return (gestureDisablingStates & mSystemUiStateFlags) == 0 && homeOrOverviewEnabled;
     }
 
     /**
diff --git a/quickstep/tests/src/com/android/quickstep/RecentsAnimationDeviceStateTest.kt b/quickstep/tests/src/com/android/quickstep/RecentsAnimationDeviceStateTest.kt
index 5157c71..80fbce7 100644
--- a/quickstep/tests/src/com/android/quickstep/RecentsAnimationDeviceStateTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/RecentsAnimationDeviceStateTest.kt
@@ -9,8 +9,19 @@
 import com.android.launcher3.util.DisplayController.CHANGE_ROTATION
 import com.android.launcher3.util.DisplayController.Info
 import com.android.launcher3.util.NavigationMode
-import com.android.launcher3.util.window.WindowManagerProxy
 import com.android.quickstep.util.GestureExclusionManager
+import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_ALLOW_GESTURE_IGNORING_BAR_VISIBILITY
+import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_DEVICE_DREAMING
+import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_DISABLE_GESTURE_SPLIT_INVOCATION
+import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_HOME_DISABLED
+import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_MAGNIFICATION_OVERLAP
+import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NAV_BAR_HIDDEN
+import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED
+import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED
+import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_QUICK_SETTINGS_EXPANDED
+import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING
+import com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_TOUCHPAD_GESTURES_DISABLED
+import com.google.common.truth.Truth.assertThat
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -28,7 +39,6 @@
 class RecentsAnimationDeviceStateTest {
 
     @Mock private lateinit var exclusionManager: GestureExclusionManager
-    @Mock private lateinit var windowManagerProxy: WindowManagerProxy
     @Mock private lateinit var info: Info
 
     private val context = ApplicationProvider.getApplicationContext() as Context
@@ -108,4 +118,88 @@
 
         verifyZeroInteractions(exclusionManager)
     }
+
+    @Test
+    fun trackpadGesturesNotAllowedForSelectedStates() {
+        val disablingStates = GESTURE_DISABLING_SYSUI_STATES +
+                SYSUI_STATE_TOUCHPAD_GESTURES_DISABLED
+
+        allSysUiStates().forEach { state ->
+            val canStartGesture = !disablingStates.contains(state)
+            underTest.setSystemUiFlags(state)
+            assertThat(underTest.canStartTrackpadGesture()).isEqualTo(canStartGesture)
+        }
+    }
+
+    @Test
+    fun trackpadGesturesNotAllowedIfHomeAndOverviewIsDisabled() {
+        val stateToExpectedResult = mapOf(
+            SYSUI_STATE_HOME_DISABLED to true,
+            SYSUI_STATE_OVERVIEW_DISABLED to true,
+            DEFAULT_STATE
+                .enable(SYSUI_STATE_OVERVIEW_DISABLED)
+                .enable(SYSUI_STATE_HOME_DISABLED) to false
+        )
+
+        stateToExpectedResult.forEach { (state, allowed) ->
+            underTest.setSystemUiFlags(state)
+            assertThat(underTest.canStartTrackpadGesture()).isEqualTo(allowed)
+        }
+    }
+
+    @Test
+    fun systemGesturesNotAllowedForSelectedStates() {
+        val disablingStates = GESTURE_DISABLING_SYSUI_STATES + SYSUI_STATE_NAV_BAR_HIDDEN
+
+        allSysUiStates().forEach { state ->
+            val canStartGesture = !disablingStates.contains(state)
+            underTest.setSystemUiFlags(state)
+            assertThat(underTest.canStartSystemGesture()).isEqualTo(canStartGesture)
+        }
+    }
+
+    @Test
+    fun systemGesturesNotAllowedWhenGestureStateDisabledAndNavBarVisible() {
+        val stateToExpectedResult = mapOf(
+            DEFAULT_STATE
+                .enable(SYSUI_STATE_ALLOW_GESTURE_IGNORING_BAR_VISIBILITY)
+                .disable(SYSUI_STATE_NAV_BAR_HIDDEN) to true,
+            DEFAULT_STATE
+                .enable(SYSUI_STATE_ALLOW_GESTURE_IGNORING_BAR_VISIBILITY)
+                .enable(SYSUI_STATE_NAV_BAR_HIDDEN) to true,
+            DEFAULT_STATE
+                .disable(SYSUI_STATE_ALLOW_GESTURE_IGNORING_BAR_VISIBILITY)
+                .disable(SYSUI_STATE_NAV_BAR_HIDDEN) to true,
+            DEFAULT_STATE
+                .disable(SYSUI_STATE_ALLOW_GESTURE_IGNORING_BAR_VISIBILITY)
+                .enable(SYSUI_STATE_NAV_BAR_HIDDEN) to false,
+        )
+
+        stateToExpectedResult.forEach {(state, gestureAllowed) ->
+            underTest.setSystemUiFlags(state)
+            assertThat(underTest.canStartSystemGesture()).isEqualTo(gestureAllowed)
+        }
+    }
+
+    private fun allSysUiStates(): List<Long> {
+        // SYSUI_STATES_* are binary flags
+        return (0..SYSUI_STATES_COUNT).map { 1L shl it }
+    }
+
+    companion object {
+        private val GESTURE_DISABLING_SYSUI_STATES = listOf(
+            SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED,
+            SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING,
+            SYSUI_STATE_QUICK_SETTINGS_EXPANDED,
+            SYSUI_STATE_MAGNIFICATION_OVERLAP,
+            SYSUI_STATE_DEVICE_DREAMING,
+            SYSUI_STATE_DISABLE_GESTURE_SPLIT_INVOCATION,
+        )
+        private const val SYSUI_STATES_COUNT = 33
+        private const val DEFAULT_STATE = 0L
+    }
+
+    private fun Long.enable(state: Long) = this or state
+
+    private fun Long.disable(state: Long) = this and state.inv()
 }