Merge "Secondary split screen app will be next to the navigation bar (1/2)" into pi-dev
diff --git a/core/java/com/android/internal/policy/DividerSnapAlgorithm.java b/core/java/com/android/internal/policy/DividerSnapAlgorithm.java
index 3af3e2a..a3c7a9e 100644
--- a/core/java/com/android/internal/policy/DividerSnapAlgorithm.java
+++ b/core/java/com/android/internal/policy/DividerSnapAlgorithm.java
@@ -344,7 +344,7 @@
             if (dockedSide == DOCKED_LEFT) {
                 position += mInsets.left;
             } else if (dockedSide == DOCKED_RIGHT) {
-                position = mDisplayWidth - position - mInsets.right;
+                position = mDisplayWidth - position - mInsets.right - mDividerSize;
             }
         }
         mTargets.add(new SnapTarget(position, position, SnapTarget.FLAG_NONE));
diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/system/WindowManagerWrapper.java b/packages/SystemUI/shared/src/com/android/systemui/shared/system/WindowManagerWrapper.java
index 07b980e..ed2f831 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/system/WindowManagerWrapper.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/WindowManagerWrapper.java
@@ -26,6 +26,10 @@
 import android.view.WindowManager;
 import android.view.WindowManagerGlobal;
 
+import static android.view.WindowManagerPolicyConstants.NAV_BAR_RIGHT;
+import static android.view.WindowManagerPolicyConstants.NAV_BAR_BOTTOM;
+import static android.view.WindowManagerPolicyConstants.NAV_BAR_LEFT;
+
 import com.android.systemui.shared.recents.view.AppTransitionAnimationSpecsFuture;
 import com.android.systemui.shared.recents.view.RecentsTransition;
 
@@ -58,6 +62,11 @@
     public static final int TRANSIT_KEYGUARD_OCCLUDE = WindowManager.TRANSIT_KEYGUARD_OCCLUDE;
     public static final int TRANSIT_KEYGUARD_UNOCCLUDE = WindowManager.TRANSIT_KEYGUARD_UNOCCLUDE;
 
+    public static final int NAV_BAR_POS_INVALID = -1;
+    public static final int NAV_BAR_POS_LEFT = NAV_BAR_LEFT;
+    public static final int NAV_BAR_POS_RIGHT = NAV_BAR_RIGHT;
+    public static final int NAV_BAR_POS_BOTTOM = NAV_BAR_BOTTOM;
+
     public static final int ACTIVITY_TYPE_STANDARD = WindowConfiguration.ACTIVITY_TYPE_STANDARD;
 
     public static final int WINDOWING_MODE_UNDEFINED = WindowConfiguration.WINDOWING_MODE_UNDEFINED;
@@ -141,4 +150,20 @@
             Log.w(TAG, "Failed to set recents visibility");
         }
     }
+
+    /**
+     * @return The side of the screen where navigation bar is positioned.
+     * @see #NAV_BAR_POS_RIGHT
+     * @see #NAV_BAR_POS_LEFT
+     * @see #NAV_BAR_POS_BOTTOM
+     * @see #NAV_BAR_POS_INVALID
+     */
+    public int getNavBarPosition() {
+        try {
+            return WindowManagerGlobal.getWindowManagerService().getNavBarPosition();
+        } catch (RemoteException e) {
+            Log.w(TAG, "Failed to get nav bar position");
+        }
+        return NAV_BAR_POS_INVALID;
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java b/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java
index 1149ad1..79fea9f 100644
--- a/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java
+++ b/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java
@@ -21,6 +21,8 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
 import static android.view.PointerIcon.TYPE_HORIZONTAL_DOUBLE_ARROW;
 import static android.view.PointerIcon.TYPE_VERTICAL_DOUBLE_ARROW;
+import static android.view.WindowManager.DOCKED_LEFT;
+import static android.view.WindowManager.DOCKED_RIGHT;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -364,14 +366,7 @@
         if (mStableInsets.isEmpty()) {
             SystemServicesProxy.getInstance(mContext).getStableInsets(mStableInsets);
         }
-        int position = (int) (mState.mRatioPositionBeforeMinimized *
-                (isHorizontalDivision() ? mDisplayHeight : mDisplayWidth));
-        mSnapAlgorithm = null;
-        initializeSnapAlgorithm();
-
-        // Set the snap target before minimized but do not save until divider is attached and not
-        // minimized because it does not know its minimized state yet.
-        mSnapTargetBeforeMinimized = mSnapAlgorithm.calculateNonDismissingSnapTarget(position);
+        repositionSnapTargetBeforeMinimized();
     }
 
     public WindowManagerProxy getWindowManagerProxy() {
@@ -878,9 +873,36 @@
     }
 
     public void notifyDockSideChanged(int newDockSide) {
+        int oldDockSide = mDockSide;
         mDockSide = newDockSide;
         mMinimizedShadow.setDockSide(mDockSide);
         requestLayout();
+
+        // Update the snap position to the new docked side with correct insets
+        SystemServicesProxy.getInstance(mContext).getStableInsets(mStableInsets);
+        mMinimizedSnapAlgorithm = null;
+        initializeSnapAlgorithm();
+
+        if (oldDockSide == DOCKED_LEFT && mDockSide == DOCKED_RIGHT
+                || oldDockSide == DOCKED_RIGHT && mDockSide == DOCKED_LEFT) {
+            repositionSnapTargetBeforeMinimized();
+        }
+
+        // Landscape to seascape rotation requires minimized to resize docked app correctly
+        if (mHomeStackResizable && mDockedStackMinimized) {
+            resizeStack(mMinimizedSnapAlgorithm.getMiddleTarget());
+        }
+    }
+
+    private void repositionSnapTargetBeforeMinimized() {
+        int position = (int) (mState.mRatioPositionBeforeMinimized *
+                (isHorizontalDivision() ? mDisplayHeight : mDisplayWidth));
+        mSnapAlgorithm = null;
+        initializeSnapAlgorithm();
+
+        // Set the snap target before minimized but do not save until divider is attached and not
+        // minimized because it does not know its minimized state yet.
+        mSnapTargetBeforeMinimized = mSnapAlgorithm.calculateNonDismissingSnapTarget(position);
     }
 
     private void updateDisplayInfo() {
@@ -962,6 +984,12 @@
         if (mHomeStackResizable && mIsInMinimizeInteraction) {
             calculateBoundsForPosition(mSnapTargetBeforeMinimized.position, mDockSide,
                     mDockedTaskRect);
+
+            // Move a right-docked-app to line up with the divider while dragging it
+            if (mDockSide == DOCKED_RIGHT) {
+                mDockedTaskRect.offset(Math.max(position, mStableInsets.left - mDividerSize)
+                        - mDockedTaskRect.left + mDividerSize, 0);
+            }
             calculateBoundsForPosition(mSnapTargetBeforeMinimized.position,
                     DockedDividerUtils.invertDockSide(mDockSide), mOtherTaskRect);
             mWindowManagerProxy.resizeDockedStack(mDockedRect, mDockedTaskRect, mDockedTaskRect,
@@ -976,6 +1004,12 @@
                 calculateBoundsForPosition(isHorizontalDivision() ? mDisplayHeight : mDisplayWidth,
                         mDockSide, mDockedTaskRect);
             }
+
+            // Move a docked app if from the right in position with the divider up to insets
+            if (mDockSide == DOCKED_RIGHT) {
+                mDockedTaskRect.offset(Math.max(position,
+                        mStableInsets.left) - mDockedTaskRect.left, 0);
+            }
             calculateBoundsForPosition(taskPosition, DockedDividerUtils.invertDockSide(mDockSide),
                     mOtherTaskRect);
             mWindowManagerProxy.resizeDockedStack(mDockedRect, mDockedTaskRect, null,
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
index 9a1d180..ff0adb6 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
@@ -24,6 +24,8 @@
 import static com.android.systemui.keyguard.WakefulnessLifecycle.WAKEFULNESS_ASLEEP;
 import static com.android.systemui.keyguard.WakefulnessLifecycle.WAKEFULNESS_AWAKE;
 import static com.android.systemui.keyguard.WakefulnessLifecycle.WAKEFULNESS_WAKING;
+import static com.android.systemui.shared.system.WindowManagerWrapper.NAV_BAR_POS_LEFT;
+import static com.android.systemui.shared.system.WindowManagerWrapper.NAV_BAR_POS_INVALID;
 import static com.android.systemui.statusbar.NotificationLockscreenUserManager
         .NOTIFICATION_UNLOCKED_BY_WORK_CHALLENGE_ACTION;
 import static com.android.systemui.statusbar.NotificationLockscreenUserManager.PERMISSION_SELF;
@@ -178,6 +180,7 @@
 import com.android.systemui.recents.events.activity.AppTransitionFinishedEvent;
 import com.android.systemui.recents.events.activity.UndockingTaskEvent;
 import com.android.systemui.recents.misc.SystemServicesProxy;
+import com.android.systemui.shared.system.WindowManagerWrapper;
 import com.android.systemui.stackdivider.Divider;
 import com.android.systemui.stackdivider.WindowManagerProxy;
 import com.android.systemui.statusbar.ActivatableNotificationView;
@@ -207,14 +210,12 @@
 import com.android.systemui.statusbar.NotificationViewHierarchyManager;
 import com.android.systemui.statusbar.RemoteInputController;
 import com.android.systemui.statusbar.ScrimView;
-import com.android.systemui.statusbar.SignalClusterView;
 import com.android.systemui.statusbar.StatusBarState;
 import com.android.systemui.statusbar.VibratorHelper;
 import com.android.systemui.statusbar.notification.AboveShelfObserver;
 import com.android.systemui.statusbar.notification.ActivityLaunchAnimator;
 import com.android.systemui.statusbar.notification.VisualStabilityManager;
 import com.android.systemui.statusbar.phone.UnlockMethodCache.OnUnlockMethodChangedListener;
-import com.android.systemui.statusbar.phone.KeyguardDismissUtil;
 import com.android.systemui.statusbar.policy.BatteryController;
 import com.android.systemui.statusbar.policy.BatteryController.BatteryStateChangeCallback;
 import com.android.systemui.statusbar.policy.BrightnessMirrorController;
@@ -1339,8 +1340,15 @@
         }
         int dockSide = WindowManagerProxy.getInstance().getDockSide();
         if (dockSide == WindowManager.DOCKED_INVALID) {
-            return mRecents.splitPrimaryTask(NavigationBarGestureHelper.DRAG_MODE_NONE,
-                    ActivityManager.SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT, null, metricsDockAction);
+            final int navbarPos = WindowManagerWrapper.getInstance().getNavBarPosition();
+            if (navbarPos == NAV_BAR_POS_INVALID) {
+                return false;
+            }
+            int createMode = navbarPos == NAV_BAR_POS_LEFT
+                    ? ActivityManager.SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT
+                    : ActivityManager.SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT;
+            return mRecents.splitPrimaryTask(NavigationBarGestureHelper.DRAG_MODE_NONE, createMode,
+                    null, metricsDockAction);
         } else {
             Divider divider = getComponent(Divider.class);
             if (divider != null && divider.isMinimized() && !divider.isHomeStackResizable()) {
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 1d5b1a3..18f3434 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -234,6 +234,7 @@
 import android.util.proto.ProtoOutputStream;
 import android.view.Display;
 import android.view.DisplayCutout;
+import android.view.DisplayInfo;
 import android.view.Gravity;
 import android.view.HapticFeedbackConstants;
 import android.view.IApplicationToken;
@@ -7191,14 +7192,35 @@
     }
 
     @Override
-    public boolean isDockSideAllowed(int dockSide) {
+    public boolean isDockSideAllowed(int dockSide, int originalDockSide, int displayWidth,
+            int displayHeight, int displayRotation) {
+        final int barPosition = navigationBarPosition(displayWidth, displayHeight, displayRotation);
+        return isDockSideAllowed(dockSide, originalDockSide, barPosition, mNavigationBarCanMove);
+    }
 
-        // We do not allow all dock sides at which the navigation bar touches the docked stack.
-        if (!mNavigationBarCanMove) {
-            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT || dockSide == DOCKED_RIGHT;
-        } else {
-            return dockSide == DOCKED_TOP || dockSide == DOCKED_LEFT;
+    @VisibleForTesting
+    static boolean isDockSideAllowed(int dockSide, int originalDockSide,
+            int navBarPosition, boolean navigationBarCanMove) {
+        if (dockSide == DOCKED_TOP) {
+            return true;
         }
+
+        if (navigationBarCanMove) {
+            // Only allow the dockside opposite to the nav bar position in landscape
+            return dockSide == DOCKED_LEFT && navBarPosition == NAV_BAR_RIGHT
+                    || dockSide == DOCKED_RIGHT && navBarPosition == NAV_BAR_LEFT;
+        }
+
+        // Side is the same as original side
+        if (dockSide == originalDockSide) {
+            return true;
+        }
+
+        // Only if original docked side was top in portrait will allow left for landscape
+        if (dockSide == DOCKED_LEFT && originalDockSide == DOCKED_TOP) {
+            return true;
+        }
+        return false;
     }
 
     void sendCloseSystemWindows() {
diff --git a/services/core/java/com/android/server/policy/WindowManagerPolicy.java b/services/core/java/com/android/server/policy/WindowManagerPolicy.java
index ccbf502..8690a83 100644
--- a/services/core/java/com/android/server/policy/WindowManagerPolicy.java
+++ b/services/core/java/com/android/server/policy/WindowManagerPolicy.java
@@ -1706,11 +1706,19 @@
             DisplayCutout displayCutout, Rect outInsets);
 
     /**
+     * @param displayRotation the current display rotation
+     * @param displayWidth the current display width
+     * @param displayHeight the current display height
+     * @param dockSide the dockside asking if allowed
+     * @param originalDockSide the side that was original docked to in split screen
      * @return True if a specified {@param dockSide} is allowed on the current device, or false
      *         otherwise. It is guaranteed that at least one dock side for a particular orientation
      *         is allowed, so for example, if DOCKED_RIGHT is not allowed, DOCKED_LEFT is allowed.
+     *         If navigation bar is movable then the docked side would bias towards the
+     *         {@param originalDockSide}.
      */
-    public boolean isDockSideAllowed(int dockSide);
+    public boolean isDockSideAllowed(int dockSide, int originalDockSide, int displayWidth,
+            int displayHeight, int displayRotation);
 
     /**
      * Called when the configuration has changed, and it's safe to load new values from resources.
diff --git a/services/core/java/com/android/server/wm/DockedStackDividerController.java b/services/core/java/com/android/server/wm/DockedStackDividerController.java
index 2cd2ef1..c8baced 100644
--- a/services/core/java/com/android/server/wm/DockedStackDividerController.java
+++ b/services/core/java/com/android/server/wm/DockedStackDividerController.java
@@ -170,7 +170,7 @@
             final int orientation = mTmpRect2.width() <= mTmpRect2.height()
                     ? ORIENTATION_PORTRAIT
                     : ORIENTATION_LANDSCAPE;
-            final int dockSide = TaskStack.getDockSideUnchecked(mTmpRect, mTmpRect2, orientation);
+            final int dockSide = getDockSide(mTmpRect, mTmpRect2, orientation);
             final int position = DockedDividerUtils.calculatePositionForBounds(mTmpRect, dockSide,
                     getContentWidth());
 
@@ -191,6 +191,39 @@
         return (int) (minWidth / mDisplayContent.getDisplayMetrics().density);
     }
 
+    /**
+     * Get the current docked side. Determined by its location of {@param bounds} within
+     * {@param displayRect} but if both are the same, it will try to dock to each side and determine
+     * if allowed in its respected {@param orientation}.
+     *
+     * @param bounds bounds of the docked task to get which side is docked
+     * @param displayRect bounds of the display that contains the docked task
+     * @param orientation the origination of device
+     * @return current docked side
+     */
+    int getDockSide(Rect bounds, Rect displayRect, int orientation) {
+        if (orientation == Configuration.ORIENTATION_PORTRAIT) {
+            // Portrait mode, docked either at the top or the bottom.
+            final int diff = (displayRect.bottom - bounds.bottom) - (bounds.top - displayRect.top);
+            if (diff > 0) {
+                return DOCKED_TOP;
+            } else if (diff < 0) {
+                return DOCKED_BOTTOM;
+            }
+            return canPrimaryStackDockTo(DOCKED_TOP) ? DOCKED_TOP : DOCKED_BOTTOM;
+        } else if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
+            // Landscape mode, docked either on the left or on the right.
+            final int diff = (displayRect.right - bounds.right) - (bounds.left - displayRect.left);
+            if (diff > 0) {
+                return DOCKED_LEFT;
+            } else if (diff < 0) {
+                return DOCKED_RIGHT;
+            }
+            return canPrimaryStackDockTo(DOCKED_LEFT) ? DOCKED_LEFT : DOCKED_RIGHT;
+        }
+        return DOCKED_INVALID;
+    }
+
     void getHomeStackBoundsInDockedMode(Rect outBounds) {
         final DisplayInfo di = mDisplayContent.getDisplayInfo();
         mService.mPolicy.getStableInsetsLw(di.rotation, di.logicalWidth, di.logicalHeight,
@@ -203,10 +236,20 @@
             outBounds.set(0, mTaskHeightInMinimizedMode + dividerSize + mTmpRect.top,
                     di.logicalWidth, di.logicalHeight);
         } else {
-            // In landscape append the left position with the statusbar height to match the
+            // In landscape also inset the left/right side with the statusbar height to match the
             // minimized size height in portrait mode.
-            outBounds.set(mTaskHeightInMinimizedMode + dividerSize + mTmpRect.left + mTmpRect.top,
-                    0, di.logicalWidth, di.logicalHeight);
+            final TaskStack stack = mDisplayContent.getSplitScreenPrimaryStackIgnoringVisibility();
+            final int primaryTaskWidth = mTaskHeightInMinimizedMode + dividerSize + mTmpRect.top;
+            int left = mTmpRect.left;
+            int right = di.logicalWidth - mTmpRect.right;
+            if (stack != null) {
+                if (stack.getDockSide() == DOCKED_LEFT) {
+                    left += primaryTaskWidth;
+                } else if (stack.getDockSide() == DOCKED_RIGHT) {
+                    right -= primaryTaskWidth;
+                }
+            }
+            outBounds.set(left, 0, right, di.logicalHeight);
         }
     }
 
@@ -420,21 +463,9 @@
      * @return true if the side provided is valid
      */
     boolean canPrimaryStackDockTo(int dockSide) {
-        if (mService.mPolicy.isDockSideAllowed(dockSide)) {
-            // Side is the same as original side
-            if (dockSide == mOriginalDockedSide) {
-                return true;
-            }
-            // Special rule that the top in portrait is always valid
-            if (dockSide == DOCKED_TOP) {
-                return true;
-            }
-            // Only if original docked side was top in portrait will allow left side for landscape
-            if (dockSide == DOCKED_LEFT && mOriginalDockedSide == DOCKED_TOP) {
-                return true;
-            }
-        }
-        return false;
+        final DisplayInfo di = mDisplayContent.getDisplayInfo();
+        return mService.mPolicy.isDockSideAllowed(dockSide, mOriginalDockedSide, di.logicalWidth,
+                di.logicalHeight, di.rotation);
     }
 
     void notifyDockedStackExistsChanged(boolean exists) {
diff --git a/services/core/java/com/android/server/wm/TaskStack.java b/services/core/java/com/android/server/wm/TaskStack.java
index 018765d..891ee2e 100644
--- a/services/core/java/com/android/server/wm/TaskStack.java
+++ b/services/core/java/com/android/server/wm/TaskStack.java
@@ -1462,27 +1462,7 @@
         }
         dc.getBounds(mTmpRect);
         final int orientation = dc.getConfiguration().orientation;
-        return getDockSideUnchecked(bounds, mTmpRect, orientation);
-    }
-
-    static int getDockSideUnchecked(Rect bounds, Rect displayRect, int orientation) {
-        if (orientation == Configuration.ORIENTATION_PORTRAIT) {
-            // Portrait mode, docked either at the top or the bottom.
-            if (bounds.top - displayRect.top <= displayRect.bottom - bounds.bottom) {
-                return DOCKED_TOP;
-            } else {
-                return DOCKED_BOTTOM;
-            }
-        } else if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
-            // Landscape mode, docked either on the left or on the right.
-            if (bounds.left - displayRect.left <= displayRect.right - bounds.right) {
-                return DOCKED_LEFT;
-            } else {
-                return DOCKED_RIGHT;
-            }
-        } else {
-            return DOCKED_INVALID;
-        }
+        return dc.getDockedDividerController().getDockSide(bounds, mTmpRect, orientation);
     }
 
     boolean hasTaskForUser(int userId) {
diff --git a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTest.java b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTest.java
index 64637f4..30665b5 100644
--- a/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/policy/PhoneWindowManagerTest.java
@@ -28,12 +28,19 @@
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
+import static android.view.WindowManager.DOCKED_BOTTOM;
+import static android.view.WindowManager.DOCKED_LEFT;
+import static android.view.WindowManager.DOCKED_RIGHT;
+import static android.view.WindowManager.DOCKED_TOP;
 
+import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_LEFT;
 import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_BOTTOM;
 import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_RIGHT;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
 
 import android.graphics.PixelFormat;
 import android.platform.test.annotations.Presubmit;
@@ -194,4 +201,53 @@
                 PhoneWindowManager.updateLightNavigationBarLw(0, opaqueDarkNavBar,
                         opaqueDarkNavBar, imeDrawLightNavBar, imeDrawLightNavBar));
     }
+
+    @Test
+    public void testIsDockSideAllowedDockTop() throws Exception {
+        // Docked top is always allowed
+        assertTrue(PhoneWindowManager.isDockSideAllowed(DOCKED_TOP, DOCKED_LEFT, NAV_BAR_BOTTOM,
+                true /* navigationBarCanMove */));
+        assertTrue(PhoneWindowManager.isDockSideAllowed(DOCKED_TOP, DOCKED_LEFT, NAV_BAR_BOTTOM,
+                false /* navigationBarCanMove */));
+    }
+
+    @Test
+    public void testIsDockSideAllowedDockBottom() throws Exception {
+        // Cannot dock bottom
+        assertFalse(PhoneWindowManager.isDockSideAllowed(DOCKED_BOTTOM, DOCKED_LEFT, NAV_BAR_BOTTOM,
+                true /* navigationBarCanMove */));
+    }
+
+    @Test
+    public void testIsDockSideAllowedNavigationBarMovable() throws Exception {
+        assertFalse(PhoneWindowManager.isDockSideAllowed(DOCKED_LEFT, DOCKED_LEFT, NAV_BAR_BOTTOM,
+                true /* navigationBarCanMove */));
+        assertFalse(PhoneWindowManager.isDockSideAllowed(DOCKED_LEFT, DOCKED_LEFT, NAV_BAR_LEFT,
+                true /* navigationBarCanMove */));
+        assertTrue(PhoneWindowManager.isDockSideAllowed(DOCKED_LEFT, DOCKED_LEFT, NAV_BAR_RIGHT,
+                true /* navigationBarCanMove */));
+        assertFalse(PhoneWindowManager.isDockSideAllowed(DOCKED_RIGHT, DOCKED_LEFT, NAV_BAR_BOTTOM,
+                true /* navigationBarCanMove */));
+        assertFalse(PhoneWindowManager.isDockSideAllowed(DOCKED_RIGHT, DOCKED_LEFT, NAV_BAR_RIGHT,
+                true /* navigationBarCanMove */));
+        assertTrue(PhoneWindowManager.isDockSideAllowed(DOCKED_RIGHT, DOCKED_LEFT, NAV_BAR_LEFT,
+                true /* navigationBarCanMove */));
+    }
+
+    @Test
+    public void testIsDockSideAllowedNavigationBarNotMovable() throws Exception {
+        // Navigation bar is not movable such as tablets
+        assertTrue(PhoneWindowManager.isDockSideAllowed(DOCKED_LEFT, DOCKED_LEFT, NAV_BAR_BOTTOM,
+                false /* navigationBarCanMove */));
+        assertTrue(PhoneWindowManager.isDockSideAllowed(DOCKED_LEFT, DOCKED_TOP, NAV_BAR_BOTTOM,
+                false /* navigationBarCanMove */));
+        assertFalse(PhoneWindowManager.isDockSideAllowed(DOCKED_LEFT, DOCKED_RIGHT, NAV_BAR_BOTTOM,
+                false /* navigationBarCanMove */));
+        assertFalse(PhoneWindowManager.isDockSideAllowed(DOCKED_RIGHT, DOCKED_LEFT, NAV_BAR_BOTTOM,
+                false /* navigationBarCanMove */));
+        assertFalse(PhoneWindowManager.isDockSideAllowed(DOCKED_RIGHT, DOCKED_TOP, NAV_BAR_BOTTOM,
+                false /* navigationBarCanMove */));
+        assertTrue(PhoneWindowManager.isDockSideAllowed(DOCKED_RIGHT, DOCKED_RIGHT, NAV_BAR_BOTTOM,
+                false /* navigationBarCanMove */));
+    }
 }
diff --git a/services/tests/servicestests/src/com/android/server/wm/TestWindowManagerPolicy.java b/services/tests/servicestests/src/com/android/server/wm/TestWindowManagerPolicy.java
index 1c2d538..013c672 100644
--- a/services/tests/servicestests/src/com/android/server/wm/TestWindowManagerPolicy.java
+++ b/services/tests/servicestests/src/com/android/server/wm/TestWindowManagerPolicy.java
@@ -552,7 +552,8 @@
     }
 
     @Override
-    public boolean isDockSideAllowed(int dockSide) {
+    public boolean isDockSideAllowed(int dockSide, int originalDockSide, int displayWidth,
+            int displayHeight, int displayRotation) {
         return false;
     }