diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index c8e73ba..921e8ac 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -151,27 +151,25 @@
         TypedArray a = context.obtainStyledAttributes(attrs,
                 R.styleable.BubbleTextView, defStyle, 0);
         mLayoutHorizontal = a.getBoolean(R.styleable.BubbleTextView_layoutHorizontal, false);
+        DeviceProfile grid = mActivity.getDeviceProfile();
 
         mDisplay = a.getInteger(R.styleable.BubbleTextView_iconDisplay, DISPLAY_WORKSPACE);
         final int defaultIconSize;
         if (mDisplay == DISPLAY_WORKSPACE) {
-            DeviceProfile grid = mActivity.getWallpaperDeviceProfile();
             setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.iconTextSizePx);
             setCompoundDrawablePadding(grid.iconDrawablePaddingPx);
             defaultIconSize = grid.iconSizePx;
         } else if (mDisplay == DISPLAY_ALL_APPS) {
-            DeviceProfile grid = mActivity.getDeviceProfile();
             setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.allAppsIconTextSizePx);
             setCompoundDrawablePadding(grid.allAppsIconDrawablePaddingPx);
             defaultIconSize = grid.allAppsIconSizePx;
         } else if (mDisplay == DISPLAY_FOLDER) {
-            DeviceProfile grid = mActivity.getDeviceProfile();
             setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.folderChildTextSizePx);
             setCompoundDrawablePadding(grid.folderChildDrawablePaddingPx);
             defaultIconSize = grid.folderChildIconSizePx;
         } else {
             // widget_selection or shortcut_popup
-            defaultIconSize = mActivity.getDeviceProfile().iconSizePx;
+            defaultIconSize = grid.iconSizePx;
         }
 
         mCenterVertically = a.getBoolean(R.styleable.BubbleTextView_centerVertically, false);
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index 9682d09..4259196 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -59,14 +59,12 @@
 import com.android.launcher3.dragndrop.DraggableView;
 import com.android.launcher3.folder.PreviewBackground;
 import com.android.launcher3.graphics.DragPreviewProvider;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.util.CellAndSpan;
 import com.android.launcher3.util.GridOccupancy;
 import com.android.launcher3.util.ParcelableSparseArray;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.views.ActivityContext;
-import com.android.launcher3.views.Transposable;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
 
 import java.lang.annotation.Retention;
@@ -77,7 +75,7 @@
 import java.util.Comparator;
 import java.util.Stack;
 
-public class CellLayout extends ViewGroup implements Transposable {
+public class CellLayout extends ViewGroup {
     private static final String TAG = "CellLayout";
     private static final boolean LOGD = false;
 
@@ -184,7 +182,6 @@
 
     // Related to accessible drag and drop
     private boolean mUseTouchHelper = false;
-    private RotationMode mRotationMode = RotationMode.NORMAL;
 
     public CellLayout(Context context) {
         this(context, null);
@@ -206,7 +203,7 @@
         setClipToPadding(false);
         mActivity = ActivityContext.lookupContext(context);
 
-        DeviceProfile grid = mActivity.getWallpaperDeviceProfile();
+        DeviceProfile grid = mActivity.getDeviceProfile();
 
         mCellWidth = mCellHeight = -1;
         mFixedCellWidth = mFixedCellHeight = -1;
@@ -314,24 +311,6 @@
         }
     }
 
-    public void setRotationMode(RotationMode mode) {
-        if (mRotationMode != mode) {
-            mRotationMode = mode;
-            requestLayout();
-        }
-    }
-
-    @Override
-    public RotationMode getRotationMode() {
-        return mRotationMode;
-    }
-
-    @Override
-    public void setPadding(int left, int top, int right, int bottom) {
-        mRotationMode.mapRect(left, top, right, bottom, mTempRect);
-        super.setPadding(mTempRect.left, mTempRect.top, mTempRect.right, mTempRect.bottom);
-    }
-
     @Override
     public boolean onInterceptTouchEvent(MotionEvent ev) {
         if (mUseTouchHelper ||
@@ -789,13 +768,6 @@
         int childWidthSize = widthSize - (getPaddingLeft() + getPaddingRight());
         int childHeightSize = heightSize - (getPaddingTop() + getPaddingBottom());
 
-        mShortcutsAndWidgets.setRotation(mRotationMode.surfaceRotation);
-        if (mRotationMode.isTransposed) {
-            int tmp = childWidthSize;
-            childWidthSize = childHeightSize;
-            childHeightSize = tmp;
-        }
-
         if (mFixedCellWidth < 0 || mFixedCellHeight < 0) {
             int cw = DeviceProfile.calculateCellWidth(childWidthSize, mCountX);
             int ch = DeviceProfile.calculateCellHeight(childHeightSize, mCountY);
@@ -846,15 +818,7 @@
                 right + mTempRect.right + getPaddingRight(),
                 bottom + mTempRect.bottom + getPaddingBottom());
 
-        if (mRotationMode.isTransposed) {
-            int halfW = mShortcutsAndWidgets.getMeasuredWidth() / 2;
-            int halfH = mShortcutsAndWidgets.getMeasuredHeight() / 2;
-            int cX = (left + right) / 2;
-            int cY = (top + bottom) / 2;
-            mShortcutsAndWidgets.layout(cX - halfW, cY - halfH, cX + halfW, cY + halfH);
-        } else {
-            mShortcutsAndWidgets.layout(left, top, right, bottom);
-        }
+        mShortcutsAndWidgets.layout(left, top, right, bottom);
     }
 
     /**
@@ -863,8 +827,7 @@
      * width in {@link DeviceProfile#calculateCellWidth(int, int)}.
      */
     public int getUnusedHorizontalSpace() {
-        return (mRotationMode.isTransposed ? getMeasuredHeight() : getMeasuredWidth())
-                - getPaddingLeft() - getPaddingRight() - (mCountX * mCellWidth);
+        return getMeasuredWidth() - getPaddingLeft() - getPaddingRight() - (mCountX * mCellWidth);
     }
 
     public Drawable getScrimBackground() {
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index 76cfe1c..78bd2ff 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -27,15 +27,13 @@
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.logging.StatsLogUtils.LogContainerProvider;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
-import com.android.launcher3.views.Transposable;
 
 import java.util.ArrayList;
 
-public class Hotseat extends CellLayout implements LogContainerProvider, Insettable, Transposable {
+public class Hotseat extends CellLayout implements LogContainerProvider, Insettable {
 
     @ViewDebug.ExportedProperty(category = "launcher")
     private boolean mHasVerticalHotseat;
@@ -89,7 +87,7 @@
     @Override
     public void setInsets(Rect insets) {
         FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) getLayoutParams();
-        DeviceProfile grid = mActivity.getWallpaperDeviceProfile();
+        DeviceProfile grid = mActivity.getDeviceProfile();
         insets = grid.getInsets();
 
         if (grid.isVerticalBarLayout()) {
@@ -117,9 +115,4 @@
     public boolean onTouchEvent(MotionEvent event) {
         return event.getY() > getCellHeight();
     }
-
-    @Override
-    public RotationMode getRotationMode() {
-        return Launcher.getLauncher(getContext()).getRotationMode();
-    }
 }
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 5b9f676..046db3d 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -56,7 +56,6 @@
 import android.content.res.Configuration;
 import android.database.sqlite.SQLiteDatabase;
 import android.graphics.Point;
-import android.graphics.Rect;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.CancellationSignal;
@@ -102,7 +101,6 @@
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderGridOrganizer;
 import com.android.launcher3.folder.FolderIcon;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.keyboard.CustomActionsPopup;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
@@ -317,9 +315,6 @@
 
     private float mCurrentAssistantVisibility = 0f;
 
-    private DeviceProfile mStableDeviceProfile;
-    private RotationMode mRotationMode = RotationMode.NORMAL;
-
     protected LauncherOverlayManager mOverlayManager;
     // If true, overlay callbacks are deferred
     private boolean mDeferOverlayCallbacks;
@@ -503,24 +498,12 @@
         super.onConfigurationChanged(newConfig);
     }
 
-    public void reload() {
-        onIdpChanged(mDeviceProfile.inv);
-    }
-
-    private boolean supportsFakeLandscapeUI() {
-        return FeatureFlags.FAKE_LANDSCAPE_UI.get() && !mRotationHelper.homeScreenCanRotate();
-    }
-
     @Override
     public void reapplyUi() {
         reapplyUi(true /* cancelCurrentAnimation */);
     }
 
     public void reapplyUi(boolean cancelCurrentAnimation) {
-        if (supportsFakeLandscapeUI()) {
-            mRotationMode = mStableDeviceProfile == null
-                    ? RotationMode.NORMAL : getFakeRotationMode(mDeviceProfile);
-        }
         getRootView().dispatchInsets();
         getStateManager().reapplyState(cancelCurrentAnimation);
     }
@@ -533,7 +516,6 @@
     private void onIdpChanged(InvariantDeviceProfile idp) {
         mUserEventDispatcher = null;
 
-        DeviceProfile oldWallpaperProfile = getWallpaperDeviceProfile();
         initDeviceProfile(idp);
         dispatchDeviceProfileChanged();
         reapplyUi();
@@ -542,9 +524,7 @@
         // Calling onSaveInstanceState ensures that static cache used by listWidgets is
         // initialized properly.
         onSaveInstanceState(new Bundle());
-        if (oldWallpaperProfile != getWallpaperDeviceProfile()) {
-            mModel.rebindCallbacks();
-        }
+        mModel.rebindCallbacks();
     }
 
     public void onAssistantVisibilityChanged(float visibility) {
@@ -571,41 +551,8 @@
             mDeviceProfile = mDeviceProfile.getMultiWindowProfile(this, mwSize);
         }
 
-        if (supportsFakeLandscapeUI() && mDeviceProfile.isVerticalBarLayout()) {
-            mStableDeviceProfile = mDeviceProfile.inv.portraitProfile;
-            mRotationMode = getFakeRotationMode(mDeviceProfile);
-        } else {
-            mStableDeviceProfile = null;
-            mRotationMode = RotationMode.NORMAL;
-        }
-
-        mRotationHelper.updateRotationAnimation();
         onDeviceProfileInitiated();
-        mModelWriter = mModel.getWriter(getWallpaperDeviceProfile().isVerticalBarLayout(), true);
-    }
-
-    public void updateInsets(Rect insets) {
-        mDeviceProfile.updateInsets(insets);
-        if (mStableDeviceProfile != null) {
-            Rect r = mStableDeviceProfile.getInsets();
-            mRotationMode.mapInsets(this, insets, r);
-            mStableDeviceProfile.updateInsets(r);
-        }
-    }
-
-    @Override
-    public RotationMode getRotationMode() {
-        return mRotationMode;
-    }
-
-    /**
-     * Device profile to be used by UI elements which are shown directly on top of the wallpaper
-     * and whose presentation is tied to the wallpaper (and physical device) and not the activity
-     * configuration.
-     */
-    @Override
-    public DeviceProfile getWallpaperDeviceProfile() {
-        return mStableDeviceProfile == null ? mDeviceProfile : mStableDeviceProfile;
+        mModelWriter = mModel.getWriter(getDeviceProfile().isVerticalBarLayout(), true);
     }
 
     public RotationHelper getRotationHelper() {
@@ -2049,7 +1996,7 @@
         mAppWidgetHost.clearViews();
 
         if (mHotseat != null) {
-            mHotseat.resetLayout(getWallpaperDeviceProfile().isVerticalBarLayout());
+            mHotseat.resetLayout(getDeviceProfile().isVerticalBarLayout());
         }
         TraceHelper.INSTANCE.endSection(traceToken);
     }
@@ -2724,10 +2671,6 @@
         return new TouchController[] {getDragController(), new AllAppsSwipeController(this)};
     }
 
-    protected RotationMode getFakeRotationMode(DeviceProfile deviceProfile) {
-        return RotationMode.NORMAL;
-    }
-
     protected ScaleAndTranslation getOverviewScaleAndTranslationForNormalState() {
         return new ScaleAndTranslation(1.1f, 0f, 0f);
     }
diff --git a/src/com/android/launcher3/LauncherRootView.java b/src/com/android/launcher3/LauncherRootView.java
index 2b2224a..b4fbbc3 100644
--- a/src/com/android/launcher3/LauncherRootView.java
+++ b/src/com/android/launcher3/LauncherRootView.java
@@ -83,7 +83,7 @@
                 UI_STATE_ROOT_VIEW, drawInsetBar ? FLAG_DARK_NAV : 0);
 
         // Update device profile before notifying th children.
-        mLauncher.updateInsets(insets);
+        mLauncher.getDeviceProfile().updateInsets(insets);
         boolean resetState = !insets.equals(mInsets);
         setInsets(insets);
 
@@ -127,7 +127,7 @@
     }
 
     public void dispatchInsets() {
-        mLauncher.updateInsets(mInsets);
+        mLauncher.getDeviceProfile().updateInsets(mInsets);
         super.setInsets(mInsets);
     }
 
diff --git a/src/com/android/launcher3/ShortcutAndWidgetContainer.java b/src/com/android/launcher3/ShortcutAndWidgetContainer.java
index c07dd9d..6326b7a 100644
--- a/src/com/android/launcher3/ShortcutAndWidgetContainer.java
+++ b/src/com/android/launcher3/ShortcutAndWidgetContainer.java
@@ -93,7 +93,7 @@
     public void setupLp(View child) {
         CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
         if (child instanceof LauncherAppWidgetHostView) {
-            DeviceProfile profile = mActivity.getWallpaperDeviceProfile();
+            DeviceProfile profile = mActivity.getDeviceProfile();
             lp.setup(mCellWidth, mCellHeight, invertLayoutHorizontally(), mCountX,
                     profile.appWidgetScale.x, profile.appWidgetScale.y);
         } else {
@@ -108,12 +108,12 @@
 
     public int getCellContentHeight() {
         return Math.min(getMeasuredHeight(),
-                mActivity.getWallpaperDeviceProfile().getCellHeight(mContainerType));
+                mActivity.getDeviceProfile().getCellHeight(mContainerType));
     }
 
     public void measureChild(View child) {
         CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
-        final DeviceProfile profile = mActivity.getWallpaperDeviceProfile();
+        final DeviceProfile profile = mActivity.getDeviceProfile();
 
         if (child instanceof LauncherAppWidgetHostView) {
             lp.setup(mCellWidth, mCellHeight, invertLayoutHorizontally(), mCountX,
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 122b393..0cd08d4 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -62,7 +62,6 @@
 
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.dragndrop.FolderAdaptiveIcon;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.graphics.TintedDrawableSpan;
 import com.android.launcher3.icons.IconProvider;
 import com.android.launcher3.icons.LauncherIcons;
@@ -72,7 +71,6 @@
 import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.PackageManagerHelper;
-import com.android.launcher3.views.Transposable;
 import com.android.launcher3.widget.PendingAddShortcutInfo;
 
 import java.lang.reflect.Method;
@@ -165,7 +163,7 @@
     public static float getDescendantCoordRelativeToAncestor(
             View descendant, View ancestor, float[] coord, boolean includeRootScroll) {
         return getDescendantCoordRelativeToAncestor(descendant, ancestor, coord, includeRootScroll,
-                false, null);
+                false);
     }
 
     /**
@@ -178,15 +176,12 @@
      * @param includeRootScroll Whether or not to account for the scroll of the descendant:
      *          sometimes this is relevant as in a child's coordinates within the descendant.
      * @param ignoreTransform If true, view transform is ignored
-     * @param outRotation If not null, and {@param ignoreTransform} is true, this is set to the
-     *                   overall rotation of the view in degrees.
      * @return The factor by which this descendant is scaled relative to this DragLayer. Caution
      *         this scale factor is assumed to be equal in X and Y, and so if at any point this
      *         assumption fails, we will need to return a pair of scale factors.
      */
     public static float getDescendantCoordRelativeToAncestor(View descendant, View ancestor,
-            float[] coord, boolean includeRootScroll, boolean ignoreTransform,
-            float[] outRotation) {
+            float[] coord, boolean includeRootScroll, boolean ignoreTransform) {
         float scale = 1.0f;
         View v = descendant;
         while(v != ancestor && v != null) {
@@ -196,19 +191,7 @@
                 offsetPoints(coord, -v.getScrollX(), -v.getScrollY());
             }
 
-            if (ignoreTransform) {
-                if (v instanceof Transposable) {
-                    RotationMode m = ((Transposable) v).getRotationMode();
-                    if (m.isTransposed) {
-                        sMatrix.setRotate(m.surfaceRotation, v.getPivotX(), v.getPivotY());
-                        sMatrix.mapPoints(coord);
-
-                        if (outRotation != null) {
-                            outRotation[0] += m.surfaceRotation;
-                        }
-                    }
-                }
-            } else {
+            if (!ignoreTransform) {
                 v.getMatrix().mapPoints(coord);
             }
             offsetPoints(coord, v.getLeft(), v.getTop());
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 8bc0242..fc40fa6 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -75,7 +75,6 @@
 import com.android.launcher3.folder.PreviewBackground;
 import com.android.launcher3.graphics.DragPreviewProvider;
 import com.android.launcher3.graphics.PreloadIconDrawable;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.icons.BitmapRenderer;
 import com.android.launcher3.logging.UserEventDispatcher;
 import com.android.launcher3.pageindicators.WorkspacePageIndicator;
@@ -276,20 +275,13 @@
     @Override
     public void setInsets(Rect insets) {
         DeviceProfile grid = mLauncher.getDeviceProfile();
-        DeviceProfile stableGrid = mLauncher.getWallpaperDeviceProfile();
 
-        mMaxDistanceForFolderCreation = stableGrid.isTablet
-                ? 0.75f * stableGrid.iconSizePx
-                : 0.55f * stableGrid.iconSizePx;
+        mMaxDistanceForFolderCreation = grid.isTablet
+                ? 0.75f * grid.iconSizePx : 0.55f * grid.iconSizePx;
         mWorkspaceFadeInAdjacentScreens = grid.shouldFadeAdjacentWorkspaceScreens();
 
-        Rect padding = stableGrid.workspacePadding;
-
-        RotationMode rotationMode = mLauncher.getRotationMode();
-
-        rotationMode.mapRect(padding, mTempRect);
-        setPadding(mTempRect.left, mTempRect.top, mTempRect.right, mTempRect.bottom);
-        rotationMode.mapRect(stableGrid.getInsets(), mInsets);
+        Rect padding = grid.workspacePadding;
+        setPadding(padding.left, padding.top, padding.right, padding.bottom);
 
         if (mWorkspaceFadeInAdjacentScreens) {
             // In landscape mode the page spacing is set to the default.
@@ -302,12 +294,11 @@
         }
 
 
-        int paddingLeftRight = stableGrid.cellLayoutPaddingLeftRightPx;
-        int paddingBottom = stableGrid.cellLayoutBottomPaddingPx;
+        int paddingLeftRight = grid.cellLayoutPaddingLeftRightPx;
+        int paddingBottom = grid.cellLayoutBottomPaddingPx;
         for (int i = mWorkspaceScreens.size() - 1; i >= 0; i--) {
-            CellLayout page = mWorkspaceScreens.valueAt(i);
-            page.setRotationMode(rotationMode);
-            page.setPadding(paddingLeftRight, 0, paddingLeftRight, paddingBottom);
+            mWorkspaceScreens.valueAt(i)
+                    .setPadding(paddingLeftRight, 0, paddingLeftRight, paddingBottom);
         }
     }
 
@@ -327,7 +318,7 @@
 
             float scale = 1;
             if (isWidget) {
-                DeviceProfile profile = mLauncher.getWallpaperDeviceProfile();
+                DeviceProfile profile = mLauncher.getDeviceProfile();
                 scale = Utilities.shrinkRect(r, profile.appWidgetScale.x, profile.appWidgetScale.y);
             }
             size[0] = r.width();
@@ -555,10 +546,9 @@
         // created CellLayout.
         CellLayout newScreen = (CellLayout) LayoutInflater.from(getContext()).inflate(
                         R.layout.workspace_screen, this, false /* attachToRoot */);
-        DeviceProfile grid = mLauncher.getWallpaperDeviceProfile();
+        DeviceProfile grid = mLauncher.getDeviceProfile();
         int paddingLeftRight = grid.cellLayoutPaddingLeftRightPx;
         int paddingBottom = grid.cellLayoutBottomPaddingPx;
-        newScreen.setRotationMode(mLauncher.getRotationMode());
         newScreen.setPadding(paddingLeftRight, 0, paddingLeftRight, paddingBottom);
 
         mWorkspaceScreens.put(screenId, newScreen);
diff --git a/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java b/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
index c521c34..c4c4377 100644
--- a/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
+++ b/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
@@ -104,10 +104,8 @@
             Interpolator scaleInterpolator = config.getInterpolator(ANIM_WORKSPACE_SCALE, ZOOM_OUT);
             propertySetter.setFloat(mWorkspace, SCALE_PROPERTY, mNewScale, scaleInterpolator);
 
-            if (!hotseat.getRotationMode().isTransposed) {
-                setPivotToScaleWithWorkspace(hotseat);
-                setPivotToScaleWithWorkspace(qsbScaleView);
-            }
+            setPivotToScaleWithWorkspace(hotseat);
+            setPivotToScaleWithWorkspace(qsbScaleView);
             float hotseatScale = hotseatScaleAndTranslation.scale;
             Interpolator hotseatScaleInterpolator = config.getInterpolator(ANIM_HOTSEAT_SCALE,
                     scaleInterpolator);
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 92f5112..ec34350 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -95,9 +95,6 @@
     public static final BooleanFlag ENABLE_HINTS_IN_OVERVIEW = getDebugFlag(
             "ENABLE_HINTS_IN_OVERVIEW", false, "Show chip hints and gleams on the overview screen");
 
-    public static final BooleanFlag FAKE_LANDSCAPE_UI = getDebugFlag(
-            "FAKE_LANDSCAPE_UI", false, "Rotate launcher UI instead of using transposed layout");
-
     public static final BooleanFlag FOLDER_NAME_SUGGEST = new DeviceFlag(
             "FOLDER_NAME_SUGGEST", true,
             "Suggests folder names instead of blank text.");
diff --git a/src/com/android/launcher3/dragndrop/DragLayer.java b/src/com/android/launcher3/dragndrop/DragLayer.java
index 9ece3d3..970c5a0 100644
--- a/src/com/android/launcher3/dragndrop/DragLayer.java
+++ b/src/com/android/launcher3/dragndrop/DragLayer.java
@@ -17,10 +17,6 @@
 
 package com.android.launcher3.dragndrop;
 
-import static android.view.View.MeasureSpec.EXACTLY;
-import static android.view.View.MeasureSpec.getMode;
-import static android.view.View.MeasureSpec.getSize;
-
 import static com.android.launcher3.anim.Interpolators.DEACCEL_1_5;
 import static com.android.launcher3.compat.AccessibilityManagerCompat.sendCustomAccessibilityEvent;
 
@@ -34,14 +30,12 @@
 import android.graphics.Canvas;
 import android.graphics.Rect;
 import android.util.AttributeSet;
-import android.view.Gravity;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.view.animation.Interpolator;
-import android.widget.FrameLayout;
 
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.CellLayout;
@@ -52,12 +46,10 @@
 import com.android.launcher3.Workspace;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.graphics.OverviewScrim;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.graphics.WorkspaceAndHotseatScrim;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.views.BaseDragLayer;
-import com.android.launcher3.views.Transposable;
 
 import java.util.ArrayList;
 
@@ -560,145 +552,4 @@
     public OverviewScrim getOverviewScrim() {
         return mOverviewScrim;
     }
-
-    @Override
-    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        RotationMode rotation = mActivity.getRotationMode();
-        int count = getChildCount();
-
-        if (!rotation.isTransposed
-                || getMode(widthMeasureSpec) != EXACTLY
-                || getMode(heightMeasureSpec) != EXACTLY) {
-
-            for (int i = 0; i < count; i++) {
-                final View child = getChildAt(i);
-                child.setRotation(rotation.surfaceRotation);
-            }
-            super.onMeasure(widthMeasureSpec, heightMeasureSpec);
-        } else {
-
-            for (int i = 0; i < count; i++) {
-                final View child = getChildAt(i);
-                if (child.getVisibility() == GONE) {
-                    continue;
-                }
-                if (!(child instanceof Transposable)) {
-                    measureChildWithMargins(child, widthMeasureSpec, 0, heightMeasureSpec, 0);
-                } else {
-                    measureChildWithMargins(child, heightMeasureSpec, 0, widthMeasureSpec, 0);
-
-                    child.setPivotX(child.getMeasuredWidth() / 2);
-                    child.setPivotY(child.getMeasuredHeight() / 2);
-                    child.setRotation(rotation.surfaceRotation);
-                }
-            }
-            setMeasuredDimension(getSize(widthMeasureSpec), getSize(heightMeasureSpec));
-        }
-    }
-
-    @Override
-    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
-        RotationMode rotation = mActivity.getRotationMode();
-        if (!rotation.isTransposed) {
-            super.onLayout(changed, left, top, right, bottom);
-            return;
-        }
-
-        final int count = getChildCount();
-
-        final int parentWidth = right - left;
-        final int parentHeight = bottom - top;
-
-        for (int i = 0; i < count; i++) {
-            final View child = getChildAt(i);
-            if (child.getVisibility() == GONE) {
-                continue;
-            }
-
-            final FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) child.getLayoutParams();
-
-            if (lp instanceof LayoutParams) {
-                final LayoutParams dlp = (LayoutParams) lp;
-                if (dlp.customPosition) {
-                    child.layout(dlp.x, dlp.y, dlp.x + dlp.width, dlp.y + dlp.height);
-                    continue;
-                }
-            }
-
-            final int width = child.getMeasuredWidth();
-            final int height = child.getMeasuredHeight();
-
-            int childLeft;
-            int childTop;
-
-            int gravity = lp.gravity;
-            if (gravity == -1) {
-                gravity = Gravity.TOP | Gravity.START;
-            }
-
-            final int layoutDirection = getLayoutDirection();
-
-            int absoluteGravity = Gravity.getAbsoluteGravity(gravity, layoutDirection);
-
-            if (child instanceof Transposable) {
-                absoluteGravity = rotation.toNaturalGravity(absoluteGravity);
-
-                switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
-                    case Gravity.CENTER_HORIZONTAL:
-                        childTop = (parentHeight - height) / 2 +
-                                lp.topMargin - lp.bottomMargin;
-                        break;
-                    case Gravity.RIGHT:
-                        childTop = width / 2 + lp.rightMargin - height / 2;
-                        break;
-                    case Gravity.LEFT:
-                    default:
-                        childTop = parentHeight - lp.leftMargin - width / 2 - height / 2;
-                }
-
-                switch (absoluteGravity & Gravity.VERTICAL_GRAVITY_MASK) {
-                    case Gravity.CENTER_VERTICAL:
-                        childLeft = (parentWidth - width) / 2 +
-                                lp.leftMargin - lp.rightMargin;
-                        break;
-                    case Gravity.BOTTOM:
-                        childLeft = parentWidth - width / 2 - height / 2 - lp.bottomMargin;
-                        break;
-                    case Gravity.TOP:
-                    default:
-                        childLeft = height / 2 - width / 2 + lp.topMargin;
-                }
-            } else {
-                switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
-                    case Gravity.CENTER_HORIZONTAL:
-                        childLeft = (parentWidth - width) / 2 +
-                                lp.leftMargin - lp.rightMargin;
-                        break;
-                    case Gravity.RIGHT:
-                        childLeft = parentWidth - width - lp.rightMargin;
-                        break;
-                    case Gravity.LEFT:
-                    default:
-                        childLeft = lp.leftMargin;
-                }
-
-                switch (absoluteGravity & Gravity.VERTICAL_GRAVITY_MASK) {
-                    case Gravity.TOP:
-                        childTop = lp.topMargin;
-                        break;
-                    case Gravity.CENTER_VERTICAL:
-                        childTop = (parentHeight - height) / 2 +
-                                lp.topMargin - lp.bottomMargin;
-                        break;
-                    case Gravity.BOTTOM:
-                        childTop = parentHeight - height - lp.bottomMargin;
-                        break;
-                    default:
-                        childTop = lp.topMargin;
-                }
-            }
-
-            child.layout(childLeft, childTop, childLeft + width, childTop + height);
-        }
-    }
 }
diff --git a/src/com/android/launcher3/folder/FolderIcon.java b/src/com/android/launcher3/folder/FolderIcon.java
index 8251d68..eda9545 100644
--- a/src/com/android/launcher3/folder/FolderIcon.java
+++ b/src/com/android/launcher3/folder/FolderIcon.java
@@ -172,7 +172,7 @@
                     "is dependent on this");
         }
 
-        DeviceProfile grid = activity.getWallpaperDeviceProfile();
+        DeviceProfile grid = activity.getDeviceProfile();
         FolderIcon icon = (FolderIcon) LayoutInflater.from(group.getContext())
                 .inflate(resId, group, false);
 
@@ -570,8 +570,7 @@
     public void drawDot(Canvas canvas) {
         if (!mForceHideDot && ((mDotInfo != null && mDotInfo.hasDot()) || mDotScale > 0)) {
             Rect iconBounds = mDotParams.iconBounds;
-            BubbleTextView.getIconBounds(this, iconBounds,
-                    mActivity.getWallpaperDeviceProfile().iconSizePx);
+            BubbleTextView.getIconBounds(this, iconBounds, mActivity.getDeviceProfile().iconSizePx);
             float iconScale = (float) mBackground.previewSize / iconBounds.width();
             Utilities.scaleRectAboutCenter(iconBounds, iconScale);
 
diff --git a/src/com/android/launcher3/folder/PreviewBackground.java b/src/com/android/launcher3/folder/PreviewBackground.java
index 2d177d2..27b906b 100644
--- a/src/com/android/launcher3/folder/PreviewBackground.java
+++ b/src/com/android/launcher3/folder/PreviewBackground.java
@@ -153,7 +153,7 @@
         mBgColor = ta.getColor(R.styleable.FolderIconPreview_folderFillColor, 0);
         ta.recycle();
 
-        DeviceProfile grid = activity.getWallpaperDeviceProfile();
+        DeviceProfile grid = activity.getDeviceProfile();
         previewSize = grid.folderIconSizePx;
 
         basePreviewOffsetX = (availableSpaceX - previewSize) / 2;
diff --git a/src/com/android/launcher3/graphics/RotationMode.java b/src/com/android/launcher3/graphics/RotationMode.java
deleted file mode 100644
index 6dd356a..0000000
--- a/src/com/android/launcher3/graphics/RotationMode.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.launcher3.graphics;
-
-import android.content.Context;
-import android.graphics.Rect;
-
-public abstract class RotationMode {
-
-    public static final RotationMode NORMAL = new RotationMode(0) { };
-
-    public final float surfaceRotation;
-    public final boolean isTransposed;
-
-    public RotationMode(float surfaceRotation) {
-        this.surfaceRotation = surfaceRotation;
-        isTransposed = surfaceRotation != 0;
-    }
-
-    public final void mapRect(Rect rect, Rect out) {
-        mapRect(rect.left, rect.top, rect.right, rect.bottom, out);
-    }
-
-    public void mapRect(int left, int top, int right, int bottom, Rect out) {
-        out.set(left, top, right, bottom);
-    }
-
-    public void mapInsets(Context context, Rect insets, Rect out) {
-        out.set(insets);
-    }
-
-    public int toNaturalGravity(int absoluteGravity) {
-        return absoluteGravity;
-    }
-}
diff --git a/src/com/android/launcher3/states/RotationHelper.java b/src/com/android/launcher3/states/RotationHelper.java
index d28fcf6..8bb6a08 100644
--- a/src/com/android/launcher3/states/RotationHelper.java
+++ b/src/com/android/launcher3/states/RotationHelper.java
@@ -26,6 +26,7 @@
 import static com.android.launcher3.config.FeatureFlags.FLAG_ENABLE_FIXED_ROTATION_TRANSFORM;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
+import android.app.Activity;
 import android.content.ContentResolver;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
@@ -36,12 +37,9 @@
 import android.provider.Settings;
 import android.view.MotionEvent;
 import android.view.Surface;
-import android.view.WindowManager;
 
-import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.util.UiThreadHelper;
 
 import java.util.ArrayList;
@@ -77,7 +75,7 @@
     public static final int REQUEST_ROTATE = 1;
     public static final int REQUEST_LOCK = 2;
 
-    private final Launcher mLauncher;
+    private final Activity mActivity;
     private final SharedPreferences mSharedPrefs;
     private final SharedPreferences mFeatureFlagsPrefs;
 
@@ -104,17 +102,16 @@
     // This is used to defer setting rotation flags until the activity is being created
     private boolean mInitialized;
     private boolean mDestroyed;
-    private boolean mRotationHasDifferentUI;
 
     private int mLastActivityFlags = -1;
 
-    public RotationHelper(Launcher launcher) {
-        mLauncher = launcher;
+    public RotationHelper(Activity activity) {
+        mActivity = activity;
 
         // On large devices we do not handle auto-rotate differently.
-        mIgnoreAutoRotateSettings = mLauncher.getResources().getBoolean(R.bool.allow_rotation);
+        mIgnoreAutoRotateSettings = mActivity.getResources().getBoolean(R.bool.allow_rotation);
         if (!mIgnoreAutoRotateSettings) {
-            mSharedPrefs = Utilities.getPrefs(mLauncher);
+            mSharedPrefs = Utilities.getPrefs(mActivity);
             mSharedPrefs.registerOnSharedPreferenceChangeListener(this);
             mAutoRotateEnabled = mSharedPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,
                     getAllowRotationDefaultValue());
@@ -122,8 +119,8 @@
             mSharedPrefs = null;
         }
 
-        mContentResolver = launcher.getContentResolver();
-        mFeatureFlagsPrefs = Utilities.getFeatureFlagsPrefs(mLauncher);
+        mContentResolver = activity.getContentResolver();
+        mFeatureFlagsPrefs = Utilities.getFeatureFlagsPrefs(mActivity);
         mFeatureFlagsPrefs.registerOnSharedPreferenceChangeListener(this);
         updateForcedRotation(true);
     }
@@ -144,7 +141,7 @@
             mForcedRotation = isForcedRotation;
         }
         UI_HELPER_EXECUTOR.execute(() -> {
-            if (mLauncher.checkSelfPermission(WRITE_SECURE_SETTINGS) == PERMISSION_GRANTED) {
+            if (mActivity.checkSelfPermission(WRITE_SECURE_SETTINGS) == PERMISSION_GRANTED) {
                 Settings.Global.putInt(mContentResolver, FIXED_ROTATION_TRANSFORM_SETTING_NAME,
                             mForcedRotation ? 1 : 0);
             }
@@ -165,29 +162,6 @@
         mForcedRotationChangedListeners.remove(listener);
     }
 
-    public void setRotationHadDifferentUI(boolean rotationHasDifferentUI) {
-        mRotationHasDifferentUI = rotationHasDifferentUI;
-    }
-
-    public boolean homeScreenCanRotate() {
-        return mRotationHasDifferentUI || mIgnoreAutoRotateSettings || mAutoRotateEnabled
-                || mStateHandlerRequest != REQUEST_NONE
-                || mLauncher.getDeviceProfile().isMultiWindowMode;
-    }
-
-    public void updateRotationAnimation() {
-        if (FeatureFlags.FAKE_LANDSCAPE_UI.get()) {
-            WindowManager.LayoutParams lp = mLauncher.getWindow().getAttributes();
-            int oldAnim = lp.rotationAnimation;
-            lp.rotationAnimation = homeScreenCanRotate()
-                    ? WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE
-                    : WindowManager.LayoutParams.ROTATION_ANIMATION_SEAMLESS;
-            if (oldAnim != lp.rotationAnimation) {
-                mLauncher.getWindow().setAttributes(lp);
-            }
-        }
-    }
-
     @Override
     public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String s) {
         if (FLAG_ENABLE_FIXED_ROTATION_TRANSFORM.equals(s)) {
@@ -199,17 +173,13 @@
         mAutoRotateEnabled = mSharedPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,
                 getAllowRotationDefaultValue());
         if (mAutoRotateEnabled != wasRotationEnabled) {
-
             notifyChange();
-            updateRotationAnimation();
-            mLauncher.reapplyUi();
         }
     }
 
     public void setStateHandlerRequest(int request) {
         if (mStateHandlerRequest != request) {
             mStateHandlerRequest = request;
-            updateRotationAnimation();
             notifyChange();
         }
     }
@@ -231,7 +201,7 @@
     // Used by tests only.
     public void forceAllowRotationForTesting(boolean allowRotation) {
         mIgnoreAutoRotateSettings =
-                allowRotation || mLauncher.getResources().getBoolean(R.bool.allow_rotation);
+                allowRotation || mActivity.getResources().getBoolean(R.bool.allow_rotation);
         // TODO(b/150214193) Tests currently expect launcher to be able to be rotated
         //   Modify tests for this new behavior
         mForcedRotation = !allowRotation;
@@ -243,7 +213,6 @@
         if (!mInitialized) {
             mInitialized = true;
             notifyChange();
-            updateRotationAnimation();
         }
     }
 
@@ -285,7 +254,7 @@
         }
         if (activityFlags != mLastActivityFlags) {
             mLastActivityFlags = activityFlags;
-            UiThreadHelper.setOrientationAsync(mLauncher, activityFlags);
+            UiThreadHelper.setOrientationAsync(mActivity, activityFlags);
         }
     }
 
diff --git a/src/com/android/launcher3/views/ActivityContext.java b/src/com/android/launcher3/views/ActivityContext.java
index 0331a86..c9cdeff 100644
--- a/src/com/android/launcher3/views/ActivityContext.java
+++ b/src/com/android/launcher3/views/ActivityContext.java
@@ -22,7 +22,6 @@
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.ItemInfo;
-import com.android.launcher3.graphics.RotationMode;
 import com.android.launcher3.dot.DotInfo;
 
 /**
@@ -57,19 +56,6 @@
 
     DeviceProfile getDeviceProfile();
 
-    /**
-     * Device profile to be used by UI elements which are shown directly on top of the wallpaper
-     * and whose presentation is tied to the wallpaper (and physical device) and not the activity
-     * configuration.
-     */
-    default DeviceProfile getWallpaperDeviceProfile() {
-        return getDeviceProfile();
-    }
-
-    default RotationMode getRotationMode() {
-        return RotationMode.NORMAL;
-    }
-
     static ActivityContext lookupContext(Context context) {
         if (context instanceof ActivityContext) {
             return (ActivityContext) context;
diff --git a/src/com/android/launcher3/views/FloatingIconView.java b/src/com/android/launcher3/views/FloatingIconView.java
index 3e2560f..ad8d69d 100644
--- a/src/com/android/launcher3/views/FloatingIconView.java
+++ b/src/com/android/launcher3/views/FloatingIconView.java
@@ -92,8 +92,6 @@
     private ClipIconView mClipIconView;
     private @Nullable Drawable mBadge;
 
-    private float mRotation;
-
     private View mOriginalIcon;
     private RectF mPositionOut;
     private Runnable mOnTargetChangeRunnable;
@@ -194,18 +192,17 @@
      * @param positionOut Rect that will hold the size and position of v.
      */
     private void matchPositionOf(Launcher launcher, View v, boolean isOpening, RectF positionOut) {
-        float rotation = getLocationBoundsForView(launcher, v, isOpening, positionOut);
+        getLocationBoundsForView(launcher, v, isOpening, positionOut);
         final InsettableFrameLayout.LayoutParams lp = new InsettableFrameLayout.LayoutParams(
                 Math.round(positionOut.width()),
                 Math.round(positionOut.height()));
-        updatePosition(rotation, positionOut, lp);
+        updatePosition(positionOut, lp);
         setLayoutParams(lp);
 
         mClipIconView.setLayoutParams(new FrameLayout.LayoutParams(lp.width, lp.height));
     }
 
-    private void updatePosition(float rotation, RectF pos, InsettableFrameLayout.LayoutParams lp) {
-        mRotation = rotation;
+    private void updatePosition(RectF pos, InsettableFrameLayout.LayoutParams lp) {
         mPositionOut.set(pos);
         lp.ignoreInsets = true;
         // Position the floating view exactly on top of the original
@@ -228,7 +225,7 @@
      * - For DeepShortcutView, we return the bounds of the icon view.
      * - For BubbleTextView, we return the icon bounds.
      */
-    private static float getLocationBoundsForView(Launcher launcher, View v, boolean isOpening,
+    private static void getLocationBoundsForView(Launcher launcher, View v, boolean isOpening,
             RectF outRect) {
         boolean ignoreTransform = !isOpening;
         if (v instanceof DeepShortcutView) {
@@ -239,7 +236,7 @@
             ignoreTransform = false;
         }
         if (v == null) {
-            return 0;
+            return;
         }
 
         Rect iconBounds = new Rect();
@@ -253,15 +250,13 @@
 
         float[] points = new float[] {iconBounds.left, iconBounds.top, iconBounds.right,
                 iconBounds.bottom};
-        float[] rotation = new float[] {0};
         Utilities.getDescendantCoordRelativeToAncestor(v, launcher.getDragLayer(), points,
-                false, ignoreTransform, rotation);
+                false, ignoreTransform);
         outRect.set(
                 Math.min(points[0], points[2]),
                 Math.min(points[1], points[3]),
                 Math.max(points[0], points[2]),
                 Math.max(points[1], points[3]));
-        return rotation[0];
     }
 
     /**
@@ -443,14 +438,10 @@
 
     @Override
     protected void dispatchDraw(Canvas canvas) {
-        int count = canvas.save();
-        canvas.rotate(mRotation,
-                mFinalDrawableBounds.exactCenterX(), mFinalDrawableBounds.exactCenterY());
         super.dispatchDraw(canvas);
         if (mBadge != null) {
             mBadge.draw(canvas);
         }
-        canvas.restoreToCount(count);
     }
 
     public void fastFinish() {
@@ -487,11 +478,10 @@
     @Override
     public void onGlobalLayout() {
         if (mOriginalIcon.isAttachedToWindow() && mPositionOut != null) {
-            float rotation = getLocationBoundsForView(mLauncher, mOriginalIcon, mIsOpening,
+            getLocationBoundsForView(mLauncher, mOriginalIcon, mIsOpening,
                     sTmpRectF);
-            if (rotation != mRotation || !sTmpRectF.equals(mPositionOut)) {
-                updatePosition(rotation, sTmpRectF,
-                        (InsettableFrameLayout.LayoutParams) getLayoutParams());
+            if (!sTmpRectF.equals(mPositionOut)) {
+                updatePosition(sTmpRectF, (InsettableFrameLayout.LayoutParams) getLayoutParams());
                 if (mOnTargetChangeRunnable != null) {
                     mOnTargetChangeRunnable.run();
                 }
diff --git a/src/com/android/launcher3/views/Transposable.java b/src/com/android/launcher3/views/Transposable.java
deleted file mode 100644
index 929c1aa..0000000
--- a/src/com/android/launcher3/views/Transposable.java
+++ /dev/null
@@ -1,26 +0,0 @@
-/**
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.launcher3.views;
-
-import com.android.launcher3.graphics.RotationMode;
-
-/**
- * Indicates that a view can be transposed.
- */
-public interface Transposable {
-
-    RotationMode getRotationMode();
-}