Merge \"Fix navigation bar order in seascape\" into nyc-mr1-dev

am: 5a078db97e

Change-Id: I6ab488a5da585d68663e06b0d08c8f981246a72d

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

@@ -28,7 +28,6 @@ import android.widget.LinearLayout;
 import android.widget.Space;
 
 import com.android.systemui.R;
-import com.android.systemui.SystemUIFactory;
 import com.android.systemui.statusbar.policy.KeyButtonView;
 import com.android.systemui.tuner.TunerService;
 
@@ -71,6 +70,8 @@ public class NavigationBarInflaterView extends FrameLayout implements TunerServi
     private View mLastRot0;
     private View mLastRot90;
 
+    private boolean mAlternativeOrder;
+
     public NavigationBarInflaterView(Context context, AttributeSet attrs) {
         super(context, attrs);
         mDensity = context.getResources().getConfiguration().densityDpi;
@@ -114,6 +115,7 @@ public class NavigationBarInflaterView extends FrameLayout implements TunerServi
                 false);
         mRot90.setId(R.id.rot90);
         addView(mRot90);
+        updateAlternativeOrder();
         if (getParent() instanceof NavigationBarView) {
             ((NavigationBarView) getParent()).updateRotatedViews();
         }
@@ -152,6 +154,20 @@ public class NavigationBarInflaterView extends FrameLayout implements TunerServi
         }
     }
 
+    public void setAlternativeOrder(boolean alternativeOrder) {
+        if (alternativeOrder != mAlternativeOrder) {
+            mAlternativeOrder = alternativeOrder;
+            updateAlternativeOrder();
+        }
+    }
+
+    private void updateAlternativeOrder() {
+        ((ReverseLinearLayout) mRot90.findViewById(R.id.ends_group)).setAlternativeOrder(
+                mAlternativeOrder);
+        ((ReverseLinearLayout) mRot90.findViewById(R.id.center_group)).setAlternativeOrder(
+                mAlternativeOrder);
+    }
+
     private void initiallyFill(ButtonDispatcher buttonDispatcher) {
         addAll(buttonDispatcher, (ViewGroup) mRot0.findViewById(R.id.ends_group));
         addAll(buttonDispatcher, (ViewGroup) mRot0.findViewById(R.id.center_group));

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

@@ -99,6 +99,8 @@ public class NavigationBarView extends LinearLayout {
     private final SparseArray<ButtonDispatcher> mButtonDisatchers = new SparseArray<>();
     private Configuration mConfiguration;
 
+    private NavigationBarInflaterView mNavigationInflaterView;
+
     private class NavTransitionListener implements TransitionListener {
         private boolean mBackTransitioning;
         private boolean mHomeAppearing;
@@ -472,9 +474,10 @@ public class NavigationBarView extends LinearLayout {
 
     @Override
     public void onFinishInflate() {
+        mNavigationInflaterView = (NavigationBarInflaterView) findViewById(
+                R.id.navigation_inflater);
         updateRotatedViews();
-        ((NavigationBarInflaterView) findViewById(R.id.navigation_inflater)).setButtonDispatchers(
-                mButtonDisatchers);
+        mNavigationInflaterView.setButtonDispatchers(mButtonDisatchers);
 
         getImeSwitchButton().setOnClickListener(mImeSwitcherClickListener);
 
@@ -530,6 +533,7 @@ public class NavigationBarView extends LinearLayout {
         }
         mCurrentView = mRotatedViews[rot];
         mCurrentView.setVisibility(View.VISIBLE);
+        mNavigationInflaterView.setAlternativeOrder(rot == Surface.ROTATION_90);
         for (int i = 0; i < mButtonDisatchers.size(); i++) {
             mButtonDisatchers.valueAt(i).setCurrentView(mCurrentView);
         }

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

@@ -30,7 +30,11 @@ import java.util.ArrayList;
  */
 public class ReverseLinearLayout extends LinearLayout {
 
-    private boolean mIsLayoutRtl;
+    /** If true, the layout is reversed vs. a regular linear layout */
+    private boolean mIsLayoutReverse;
+
+    /** If true, the layout is opposite to it's natural reversity from the layout direction */
+    private boolean mIsAlternativeOrder;
 
     public ReverseLinearLayout(Context context, @Nullable AttributeSet attrs) {
         super(context, attrs);
@@ -39,45 +43,50 @@ public class ReverseLinearLayout extends LinearLayout {
     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
-        mIsLayoutRtl = getResources().getConfiguration()
-                .getLayoutDirection() == LAYOUT_DIRECTION_RTL;
+        updateOrder();
     }
 
     @Override
     public void addView(View child) {
         reversParams(child.getLayoutParams());
-        if (mIsLayoutRtl) {
-            super.addView(child);
-        } else {
+        if (mIsLayoutReverse) {
             super.addView(child, 0);
+        } else {
+            super.addView(child);
         }
     }
 
     @Override
     public void addView(View child, ViewGroup.LayoutParams params) {
         reversParams(params);
-        if (mIsLayoutRtl) {
-            super.addView(child, params);
-        } else {
+        if (mIsLayoutReverse) {
             super.addView(child, 0, params);
+        } else {
+            super.addView(child, params);
         }
     }
 
     @Override
-    protected void onConfigurationChanged(Configuration newConfig) {
-        super.onConfigurationChanged(newConfig);
-        updateRTLOrder();
+    public void onRtlPropertiesChanged(int layoutDirection) {
+        super.onRtlPropertiesChanged(layoutDirection);
+        updateOrder();
+    }
+
+    public void setAlternativeOrder(boolean alternative) {
+        mIsAlternativeOrder = alternative;
+        updateOrder();
     }
 
     /**
      * In landscape, the LinearLayout is not auto mirrored since it is vertical. Therefore we
      * have to do it manually
      */
-    private void updateRTLOrder() {
-        boolean isLayoutRtl = getResources().getConfiguration()
-                .getLayoutDirection() == LAYOUT_DIRECTION_RTL;
-        if (mIsLayoutRtl != isLayoutRtl) {
-            // RTL changed, swap the order of all views.
+    private void updateOrder() {
+        boolean isLayoutRtl = getLayoutDirection() == LAYOUT_DIRECTION_RTL;
+        boolean isLayoutReverse = isLayoutRtl ^ mIsAlternativeOrder;
+
+        if (mIsLayoutReverse != isLayoutReverse) {
+            // reversity changed, swap the order of all views.
             int childCount = getChildCount();
             ArrayList<View> childList = new ArrayList<>(childCount);
             for (int i = 0; i < childCount; i++) {
@@ -87,7 +96,7 @@ public class ReverseLinearLayout extends LinearLayout {
             for (int i = childCount - 1; i >= 0; i--) {
                 super.addView(childList.get(i));
             }
-            mIsLayoutRtl = isLayoutRtl;
+            mIsLayoutReverse = isLayoutReverse;
         }
     }