Prevent docking via nav bar until user is set up.

- Also prevents docking if screen pinning is currently active.
- Fixes issue where you could go into recents when setting up a 
  secondary user.

Bug: 26438797
Bug: 26316912
Change-Id: I30576b52842b76184ef0b2252bc572f74a5d6db8
diff --git a/packages/SystemUI/src/com/android/systemui/RecentsComponent.java b/packages/SystemUI/src/com/android/systemui/RecentsComponent.java
index 7f6cda0..99028a6c 100644
--- a/packages/SystemUI/src/com/android/systemui/RecentsComponent.java
+++ b/packages/SystemUI/src/com/android/systemui/RecentsComponent.java
@@ -32,7 +32,7 @@
     /**
      * Docks the top-most task and opens recents.
      */
-    void dockTopTask(boolean draggingInRecents, int stackCreateMode, Rect initialBounds);
+    boolean dockTopTask(boolean draggingInRecents, int stackCreateMode, Rect initialBounds);
 
     /**
      * Called during a drag-from-navbar-in gesture.
diff --git a/packages/SystemUI/src/com/android/systemui/recents/Recents.java b/packages/SystemUI/src/com/android/systemui/recents/Recents.java
index b81c23a..2baefd5 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/Recents.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/Recents.java
@@ -17,6 +17,7 @@
 package com.android.systemui.recents;
 
 import android.content.ComponentName;
+import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.ServiceConnection;
@@ -205,7 +206,7 @@
     public void showRecents(boolean triggeredFromAltTab, View statusBarView) {
         // Ensure the device has been provisioned before allowing the user to interact with
         // recents
-        if (!isDeviceProvisioned()) {
+        if (!isUserSetup()) {
             return;
         }
 
@@ -242,7 +243,7 @@
     public void hideRecents(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) {
         // Ensure the device has been provisioned before allowing the user to interact with
         // recents
-        if (!isDeviceProvisioned()) {
+        if (!isUserSetup()) {
             return;
         }
 
@@ -277,7 +278,7 @@
     public void toggleRecents(Display display, int layoutDirection, View statusBarView) {
         // Ensure the device has been provisioned before allowing the user to interact with
         // recents
-        if (!isDeviceProvisioned()) {
+        if (!isUserSetup()) {
             return;
         }
 
@@ -312,7 +313,7 @@
     public void preloadRecents() {
         // Ensure the device has been provisioned before allowing the user to interact with
         // recents
-        if (!isDeviceProvisioned()) {
+        if (!isUserSetup()) {
             return;
         }
 
@@ -340,7 +341,7 @@
     public void cancelPreloadingRecents() {
         // Ensure the device has been provisioned before allowing the user to interact with
         // recents
-        if (!isDeviceProvisioned()) {
+        if (!isUserSetup()) {
             return;
         }
 
@@ -365,11 +366,20 @@
     }
 
     @Override
-    public void dockTopTask(boolean draggingInRecents, int stackCreateMode, Rect initialBounds) {
-        mImpl.dockTopTask(draggingInRecents, stackCreateMode,initialBounds);
-        if (draggingInRecents) {
-            mDraggingInRecentsCurrentUser = sSystemServicesProxy.getCurrentUser();
+    public boolean dockTopTask(boolean draggingInRecents, int stackCreateMode, Rect initialBounds) {
+        // Ensure the device has been provisioned before allowing the user to interact with
+        // recents
+        if (!isUserSetup()) {
+            return false;
         }
+
+        if (mImpl.dockTopTask(draggingInRecents, stackCreateMode,initialBounds)) {
+            if (draggingInRecents) {
+                mDraggingInRecentsCurrentUser = sSystemServicesProxy.getCurrentUser();
+            }
+            return true;
+        }
+        return false;
     }
 
     @Override
@@ -422,7 +432,7 @@
     public void showNextAffiliatedTask() {
         // Ensure the device has been provisioned before allowing the user to interact with
         // recents
-        if (!isDeviceProvisioned()) {
+        if (!isUserSetup()) {
             return;
         }
 
@@ -433,7 +443,7 @@
     public void showPrevAffiliatedTask() {
         // Ensure the device has been provisioned before allowing the user to interact with
         // recents
-        if (!isDeviceProvisioned()) {
+        if (!isUserSetup()) {
             return;
         }
 
@@ -559,11 +569,12 @@
     }
 
     /**
-     * @return whether this device is provisioned.
+     * @return whether this device is provisioned and the current user is set up.
      */
-    private boolean isDeviceProvisioned() {
-        return Settings.Global.getInt(mContext.getContentResolver(),
-                Settings.Global.DEVICE_PROVISIONED, 0) != 0;
+    private boolean isUserSetup() {
+        ContentResolver cr = mContext.getContentResolver();
+        return (Settings.Global.getInt(cr, Settings.Global.DEVICE_PROVISIONED, 0) != 0) &&
+                (Settings.Secure.getInt(cr, Settings.Secure.USER_SETUP_COMPLETE, 0) != 0);
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
index 213018a..eb43c3f 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
@@ -31,6 +31,7 @@
 import android.os.Handler;
 import android.os.SystemClock;
 import android.os.UserHandle;
+import android.provider.Settings;
 import android.util.Log;
 import android.util.MutableBoolean;
 import android.view.AppTransitionAnimationSpec;
@@ -257,7 +258,6 @@
         }
     }
 
-    @Override
     public void showRecents(boolean triggeredFromAltTab, boolean draggingInRecents,
             boolean animate, boolean reloadTasks) {
         mTriggeredFromAltTab = triggeredFromAltTab;
@@ -300,7 +300,6 @@
         }
     }
 
-    @Override
     public void hideRecents(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) {
         if (mBootCompleted) {
             if (triggeredFromAltTab && mFastAltTabTrigger.isDozing()) {
@@ -321,7 +320,6 @@
         }
     }
 
-    @Override
     public void toggleRecents() {
         // Skip this toggle if we are already waiting to trigger recents via alt-tab
         if (mFastAltTabTrigger.isDozing()) {
@@ -375,7 +373,6 @@
         }
     }
 
-    @Override
     public void preloadRecents() {
         // Preload only the raw task list into a new load plan (which will be consumed by the
         // RecentsActivity) only if there is a task to animate to.
@@ -396,17 +393,14 @@
         }
     }
 
-    @Override
     public void cancelPreloadingRecents() {
         // Do nothing
     }
 
-    @Override
     public void onDraggingInRecents(float distanceFromTop) {
         EventBus.getDefault().sendOntoMainThread(new DraggingInRecentsEvent(distanceFromTop));
     }
 
-    @Override
     public void onDraggingInRecentsEnded(float velocity) {
         EventBus.getDefault().sendOntoMainThread(new DraggingInRecentsEndedEvent(velocity));
     }
@@ -547,14 +541,18 @@
         showRelativeAffiliatedTask(false);
     }
 
-    public void dockTopTask(boolean draggingInRecents, int stackCreateMode, Rect initialBounds) {
+    public boolean dockTopTask(boolean draggingInRecents, int stackCreateMode, Rect initialBounds) {
         SystemServicesProxy ssp = Recents.getSystemServices();
         ActivityManager.RunningTaskInfo topTask = ssp.getTopMostTask();
-        if (topTask != null && !SystemServicesProxy.isHomeStack(topTask.stackId)) {
+        boolean screenPinningActive = ssp.isScreenPinningActive();
+        boolean isTopTaskHome = SystemServicesProxy.isHomeStack(topTask.stackId);
+        if (topTask != null && !isTopTaskHome && !screenPinningActive) {
             ssp.moveTaskToDockedStack(topTask.id, stackCreateMode, initialBounds);
             showRecents(false /* triggeredFromAltTab */, draggingInRecents, false /* animate */,
                     true /* reloadTasks*/);
+            return true;
         }
+        return false;
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
index dfcf41bc..3406da9 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
@@ -506,7 +506,7 @@
     public void sendCloseSystemWindows(String reason) {
         if (ActivityManagerNative.isSystemReady()) {
             try {
-                ActivityManagerNative.getDefault().closeSystemDialogs(reason);
+                mIam.closeSystemDialogs(reason);
             } catch (RemoteException e) {
             }
         }
@@ -779,6 +779,19 @@
     }
 
     /**
+     * Returns whether the current task is in screen-pinning mode.
+     */
+    public boolean isScreenPinningActive() {
+        if (mIam == null) return false;
+
+        try {
+            return mIam.isInLockTaskMode();
+        } catch (RemoteException e) {
+            return false;
+        }
+    }
+
+    /**
      * Returns a global setting.
      */
     public int getGlobalSetting(Context context, String setting) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarGestureHelper.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarGestureHelper.java
index 5d11bc0..fb2bc17 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarGestureHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarGestureHelper.java
@@ -175,10 +175,10 @@
                     : xDiff > mScrollTouchSlop && xDiff > yDiff;
             if (touchSlopExceeded && mDivider.getView().getWindowManagerProxy().getDockSide()
                     == DOCKED_INVALID) {
-                mDragMode = calculateDragMode();
                 Rect initialBounds = null;
+                int dragMode = calculateDragMode();
                 int createMode = ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT;
-                if (mDragMode == DRAG_MODE_DIVIDER) {
+                if (dragMode == DRAG_MODE_DIVIDER) {
                     initialBounds = new Rect();
                     mDivider.getView().calculateBoundsForPosition(mIsVertical
                                     ? (int) event.getRawX()
@@ -187,19 +187,23 @@
                                     ? DOCKED_TOP
                                     : DOCKED_LEFT,
                             initialBounds);
-                } else if (mDragMode == DRAG_MODE_RECENTS && mTouchDownX
+                } else if (dragMode == DRAG_MODE_RECENTS && mTouchDownX
                         < mContext.getResources().getDisplayMetrics().widthPixels / 2) {
                     createMode = ActivityManager.DOCKED_STACK_CREATE_MODE_BOTTOM_OR_RIGHT;
                 }
-                mRecentsComponent.dockTopTask(mDragMode == DRAG_MODE_RECENTS, createMode,
-                        initialBounds);
-                if (mDragMode == DRAG_MODE_DIVIDER) {
-                    mDivider.getView().startDragging(false /* animate */);
+                boolean docked = mRecentsComponent.dockTopTask(dragMode == DRAG_MODE_RECENTS,
+                        createMode, initialBounds);
+                if (docked) {
+                    mDragMode = dragMode;
+                    if (mDragMode == DRAG_MODE_DIVIDER) {
+                        mDivider.getView().startDragging(false /* animate */);
+                    }
+                    mDockWindowTouchSlopExceeded = true;
+                    MetricsLogger.action(mContext,
+                            MetricsLogger.ACTION_WINDOW_DOCK_SWIPE);
+
+                    return true;
                 }
-                mDockWindowTouchSlopExceeded = true;
-                MetricsLogger.action(mContext,
-                        MetricsLogger.ACTION_WINDOW_DOCK_SWIPE);
-                return true;
             }
         } else {
             if (mDragMode == DRAG_MODE_DIVIDER) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index 4370c38..50e88d3 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -1124,12 +1124,14 @@
         @Override
         public boolean onLongClick(View v) {
             if (mRecents != null) {
-                mRecents.dockTopTask(false /* draggingInRecents */,
+                boolean docked = mRecents.dockTopTask(false /* draggingInRecents */,
                         ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT,
                         null /* initialBounds */);
-                MetricsLogger.action(mContext,
-                        MetricsLogger.ACTION_WINDOW_DOCK_LONGPRESS);
-                return true;
+                if (docked) {
+                    MetricsLogger.action(mContext,
+                            MetricsLogger.ACTION_WINDOW_DOCK_LONGPRESS);
+                    return true;
+                }
             }
             return false;
         }