Merge "Refactoring floating view opening/closing logic" into ub-launcher3-master

15 files changed, 536 insertions, 490 deletions

diff --git a/src/com/android/launcher3/AbstractFloatingView.java b/src/com/android/launcher3/AbstractFloatingView.java
new file mode 100644
index 000000000..65da00211
--- /dev/null
+++ b/src/com/android/launcher3/AbstractFloatingView.java
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2016 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;
+
+import android.content.Context;
+import android.support.annotation.IntDef;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.LinearLayout;
+
+import com.android.launcher3.dragndrop.DragLayer;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/**
+ * Base class for a View which shows a floating UI on top of the launcher UI.
+ */
+public abstract class AbstractFloatingView extends LinearLayout {
+
+    @IntDef(flag = true, value = {TYPE_FOLDER, TYPE_DEEPSHORTCUT_CONTAINER})
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface FloatingViewType {}
+    public static final int TYPE_FOLDER = 1 << 0;
+    public static final int TYPE_DEEPSHORTCUT_CONTAINER = 1 << 1;
+
+    protected boolean mIsOpen;
+
+    public AbstractFloatingView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public AbstractFloatingView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public final void close(boolean animate) {
+        animate &= !Utilities.isPowerSaverOn(getContext());
+        handleClose(animate);
+        Launcher.getLauncher(getContext()).getUserEventDispatcher().resetElapsedContainerMillis();
+    }
+
+    protected abstract void handleClose(boolean animate);
+
+    /**
+     * If the view is current handling keyboard, return the active target, null otherwise
+     */
+    public ExtendedEditText getActiveTextView() {
+        return null;
+    }
+
+
+    /**
+     * Any additional view (outside of this container) where touch should be allowed while this
+     * view is visible.
+     */
+    public View getExtendedTouchView() {
+        return null;
+    }
+
+    public final boolean isOpen() {
+        return mIsOpen;
+    }
+
+    protected abstract boolean isOfType(@FloatingViewType int type);
+
+    protected static <T extends AbstractFloatingView> T getOpenView(
+            Launcher launcher, @FloatingViewType int type) {
+        DragLayer dragLayer = launcher.getDragLayer();
+        // Iterate in reverse order. AbstractFloatingView is added later to the dragLayer,
+        // and will be one of the last views.
+        for (int i = dragLayer.getChildCount() - 1; i >= 0; i--) {
+            View child = dragLayer.getChildAt(i);
+            if (child instanceof AbstractFloatingView) {
+                AbstractFloatingView view = (AbstractFloatingView) child;
+                if (view.isOfType(type) && view.isOpen()) {
+                    return (T) view;
+                }
+            }
+        }
+        return null;
+    }
+
+    protected static void closeOpenContainer(Launcher launcher, @FloatingViewType int type) {
+        AbstractFloatingView view = getOpenView(launcher, type);
+        if (view != null) {
+            view.close(true);
+        }
+    }
+
+    public static void closeAllOpenViews(Launcher launcher, boolean animate) {
+        DragLayer dragLayer = launcher.getDragLayer();
+        // Iterate in reverse order. AbstractFloatingView is added later to the dragLayer,
+        // and will be one of the last views.
+        for (int i = dragLayer.getChildCount() - 1; i >= 0; i--) {
+            View child = dragLayer.getChildAt(i);
+            if (child instanceof AbstractFloatingView) {
+                ((AbstractFloatingView) child).close(animate);
+            }
+        }
+    }
+
+    public static void closeAllOpenViews(Launcher launcher) {
+        closeAllOpenViews(launcher, true);
+    }
+
+    public static AbstractFloatingView getTopOpenView(Launcher launcher) {
+        return getOpenView(launcher, TYPE_FOLDER | TYPE_DEEPSHORTCUT_CONTAINER);
+    }
+}
diff --git a/src/com/android/launcher3/ExtendedEditText.java b/src/com/android/launcher3/ExtendedEditText.java
index c06f727a5..d05673ccc 100644
--- a/src/com/android/launcher3/ExtendedEditText.java
+++ b/src/com/android/launcher3/ExtendedEditText.java
@@ -99,4 +99,12 @@ public class ExtendedEditText extends EditText {
                 ((InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE))
                     .showSoftInput(this, InputMethodManager.SHOW_IMPLICIT);
     }
+
+    public void dispatchBackKey() {
+        ((InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE))
+                .hideSoftInputFromWindow(getWindowToken(), 0);
+        if (mBackKeyListener != null) {
+            mBackKeyListener.onBackKey();
+        }
+    }
 }
diff --git a/src/com/android/launcher3/FolderInfo.java b/src/com/android/launcher3/FolderInfo.java
index c0a8caaa3..8b70d1c70 100644
--- a/src/com/android/launcher3/FolderInfo.java
+++ b/src/com/android/launcher3/FolderInfo.java
@@ -45,11 +45,6 @@ public class FolderInfo extends ItemInfo {
      */
     public static final int FLAG_MULTI_PAGE_ANIMATION = 0x00000004;
 
-    /**
-     * Whether this folder has been opened
-     */
-    public boolean opened;
-
     public int options;
 
     /**
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index b1700ccbb..43a250b3a 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -18,9 +18,7 @@ package com.android.launcher3;
 
 import android.Manifest;
 import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
-import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
@@ -47,8 +45,6 @@ import android.content.pm.PackageManager;
 import android.content.res.Configuration;
 import android.database.sqlite.SQLiteDatabase;
 import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.PorterDuff;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
@@ -79,10 +75,8 @@ import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.animation.OvershootInterpolator;
 import android.view.inputmethod.InputMethodManager;
-import android.widget.ImageView;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -295,13 +289,6 @@ public class Launcher extends Activity
     // it from the context.
     private SharedPreferences mSharedPrefs;
 
-    // Holds the page that we need to animate to, and the icon views that we need to animate up
-    // when we scroll to that page on resume.
-    @Thunk ImageView mFolderIconImageView;
-    private Bitmap mFolderIconBitmap;
-    private Canvas mFolderIconCanvas;
-    private Rect mRectForFolderAnimation = new Rect();
-
     private DeviceProfile mDeviceProfile;
 
     private boolean mMoveToDefaultScreenFromNewIntent;
@@ -1231,11 +1218,8 @@ public class Launcher extends Activity
         if (keyCode == KeyEvent.KEYCODE_MENU) {
             // Ignore the menu key if we are currently dragging or are on the custom content screen
             if (!isOnCustomContent() && !mDragController.isDragging()) {
-                // Close any open folders
-                closeFolder();
-
-                // Close any shortcuts containers
-                closeShortcutsContainer();
+                // Close any open floating view
+                AbstractFloatingView.closeAllOpenViews(this);
 
                 // Stop resizing any widgets
                 mWorkspace.exitWidgetResizeMode();
@@ -1705,7 +1689,7 @@ public class Launcher extends Activity
 
         // Check this condition before handling isActionMain, as this will get reset.
         boolean shouldMoveToDefaultScreen = alreadyOnHome &&
-                mState == State.WORKSPACE && getTopFloatingView() == null;
+                mState == State.WORKSPACE && AbstractFloatingView.getTopOpenView(this) == null;
 
         boolean isActionMain = Intent.ACTION_MAIN.equals(intent.getAction());
         if (isActionMain) {
@@ -1719,8 +1703,7 @@ public class Launcher extends Activity
             // In all these cases, only animate if we're already on home
             mWorkspace.exitWidgetResizeMode();
 
-            closeFolder(alreadyOnHome);
-            closeShortcutsContainer(alreadyOnHome);
+            AbstractFloatingView.closeAllOpenViews(this, alreadyOnHome);
             exitSpringLoadedDragMode();
 
             // If we are already on home, then just animate back to the workspace,
@@ -1803,11 +1786,9 @@ public class Launcher extends Activity
         super.onSaveInstanceState(outState);
 
         outState.putInt(RUNTIME_STATE, mState.ordinal());
-        // We close any open folder since it will not be re-opened, and we need to make sure
-        // this state is reflected.
-        // TODO: Move folderInfo.isOpened out of the model and make it a UI state.
-        closeFolder(false);
-        closeShortcutsContainer(false);
+        // We close any open folders and shortcut containers since they will not be re-opened,
+        // and we need to make sure this state is reflected.
+        AbstractFloatingView.closeAllOpenViews(this, false);
 
         if (mPendingRequestArgs != null) {
             outState.putParcelable(RUNTIME_STATE_PENDING_REQUEST_ARGS, mPendingRequestArgs);
@@ -2036,7 +2017,7 @@ public class Launcher extends Activity
 
     protected void moveToCustomContentScreen(boolean animate) {
         // Close any folders that may be open.
-        closeFolder();
+        AbstractFloatingView.closeAllOpenViews(this, animate);
         mWorkspace.moveToCustomContentScreen(animate);
     }
 
@@ -2227,21 +2208,19 @@ public class Launcher extends Activity
             return;
         }
 
-        if (getOpenShortcutsContainer() != null) {
-            closeShortcutsContainer();
+        AbstractFloatingView topView = AbstractFloatingView.getTopOpenView(this);
+        if (topView != null) {
+            if (topView.getActiveTextView() != null) {
+                topView.getActiveTextView().dispatchBackKey();
+            } else {
+                topView.close(true);
+            }
         } else if (isAppsViewVisible()) {
             showWorkspace(true);
         } else if (isWidgetsViewVisible())  {
             showOverviewMode(true);
         } else if (mWorkspace.isInOverviewMode()) {
             showWorkspace(true);
-        } else if (mWorkspace.getOpenFolder() != null) {
-            Folder openFolder = mWorkspace.getOpenFolder();
-            if (openFolder.isEditingName()) {
-                openFolder.dismissEditingName();
-            } else {
-                closeFolder();
-            }
         } else {
             mWorkspace.exitWidgetResizeMode();
 
@@ -2491,10 +2470,10 @@ public class Launcher extends Activity
             throw new IllegalArgumentException("Input must be a FolderIcon");
         }
 
-        FolderIcon folderIcon = (FolderIcon) v;
-        if (!folderIcon.getFolderInfo().opened && !folderIcon.getFolder().isDestroyed()) {
+        Folder folder = ((FolderIcon) v).getFolder();
+        if (!folder.isOpen() && !folder.isDestroyed()) {
             // Open the requested folder
-            openFolder(folderIcon);
+            folder.animateOpen();
         }
     }
 
@@ -2735,233 +2714,6 @@ public class Launcher extends Activity
         return false;
     }
 
-    /**
-     * This method draws the FolderIcon to an ImageView and then adds and positions that ImageView
-     * in the DragLayer in the exact absolute location of the original FolderIcon.
-     */
-    private void copyFolderIconToImage(FolderIcon fi) {
-        final int width = fi.getMeasuredWidth();
-        final int height = fi.getMeasuredHeight();
-
-        // Lazy load ImageView, Bitmap and Canvas
-        if (mFolderIconImageView == null) {
-            mFolderIconImageView = new ImageView(this);
-        }
-        if (mFolderIconBitmap == null || mFolderIconBitmap.getWidth() != width ||
-                mFolderIconBitmap.getHeight() != height) {
-            mFolderIconBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
-            mFolderIconCanvas = new Canvas(mFolderIconBitmap);
-        }
-
-        DragLayer.LayoutParams lp;
-        if (mFolderIconImageView.getLayoutParams() instanceof DragLayer.LayoutParams) {
-            lp = (DragLayer.LayoutParams) mFolderIconImageView.getLayoutParams();
-        } else {
-            lp = new DragLayer.LayoutParams(width, height);
-        }
-
-        // The layout from which the folder is being opened may be scaled, adjust the starting
-        // view size by this scale factor.
-        float scale = mDragLayer.getDescendantRectRelativeToSelf(fi, mRectForFolderAnimation);
-        lp.customPosition = true;
-        lp.x = mRectForFolderAnimation.left;
-        lp.y = mRectForFolderAnimation.top;
-        lp.width = (int) (scale * width);
-        lp.height = (int) (scale * height);
-
-        mFolderIconCanvas.drawColor(0, PorterDuff.Mode.CLEAR);
-        fi.draw(mFolderIconCanvas);
-        mFolderIconImageView.setImageBitmap(mFolderIconBitmap);
-        if (fi.getFolder() != null) {
-            mFolderIconImageView.setPivotX(fi.getFolder().getPivotXForIconAnimation());
-            mFolderIconImageView.setPivotY(fi.getFolder().getPivotYForIconAnimation());
-        }
-        // Just in case this image view is still in the drag layer from a previous animation,
-        // we remove it and re-add it.
-        if (mDragLayer.indexOfChild(mFolderIconImageView) != -1) {
-            mDragLayer.removeView(mFolderIconImageView);
-        }
-        mDragLayer.addView(mFolderIconImageView, lp);
-        if (fi.getFolder() != null) {
-            fi.getFolder().bringToFront();
-        }
-    }
-
-    private void growAndFadeOutFolderIcon(FolderIcon fi) {
-        if (fi == null) return;
-        FolderInfo info = (FolderInfo) fi.getTag();
-        if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
-            CellLayout cl = (CellLayout) fi.getParent().getParent();
-            CellLayout.LayoutParams lp = (CellLayout.LayoutParams) fi.getLayoutParams();
-            cl.setFolderLeaveBehindCell(lp.cellX, lp.cellY);
-        }
-
-        // Push an ImageView copy of the FolderIcon into the DragLayer and hide the original
-        copyFolderIconToImage(fi);
-        fi.setVisibility(View.INVISIBLE);
-
-        ObjectAnimator oa = LauncherAnimUtils.ofViewAlphaAndScale(
-                mFolderIconImageView, 0, 1.5f, 1.5f);
-        if (Utilities.ATLEAST_LOLLIPOP) {
-            oa.setInterpolator(new LogDecelerateInterpolator(100, 0));
-        }
-        oa.setDuration(getResources().getInteger(R.integer.config_folderExpandDuration));
-        oa.start();
-    }
-
-    private void shrinkAndFadeInFolderIcon(final FolderIcon fi, boolean animate) {
-        if (fi == null) return;
-        final CellLayout cl = (CellLayout) fi.getParent().getParent();
-
-        // We remove and re-draw the FolderIcon in-case it has changed
-        mDragLayer.removeView(mFolderIconImageView);
-        copyFolderIconToImage(fi);
-
-        if (cl != null) {
-            cl.clearFolderLeaveBehind();
-        }
-
-        ObjectAnimator oa = LauncherAnimUtils.ofViewAlphaAndScale(mFolderIconImageView, 1, 1, 1);
-        oa.setDuration(getResources().getInteger(R.integer.config_folderExpandDuration));
-        oa.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                if (cl != null) {
-                    // Remove the ImageView copy of the FolderIcon and make the original visible.
-                    mDragLayer.removeView(mFolderIconImageView);
-                    fi.setVisibility(View.VISIBLE);
-                }
-            }
-        });
-        oa.start();
-        if (!animate) {
-            oa.end();
-        }
-    }
-
-    /**
-     * Opens the user folder described by the specified tag. The opening of the folder
-     * is animated relative to the specified View. If the View is null, no animation
-     * is played.
-     *
-     * @param folderIcon The FolderIcon describing the folder to open.
-     */
-    public void openFolder(FolderIcon folderIcon) {
-
-        Folder folder = folderIcon.getFolder();
-        Folder openFolder = mWorkspace != null ? mWorkspace.getOpenFolder() : null;
-        if (openFolder != null && openFolder != folder) {
-            // Close any open folder before opening a folder.
-            closeFolder();
-        }
-
-        FolderInfo info = folder.mInfo;
-
-        info.opened = true;
-
-        // While the folder is open, the position of the icon cannot change.
-        ((CellLayout.LayoutParams) folderIcon.getLayoutParams()).canReorder = false;
-
-        // Just verify that the folder hasn't already been added to the DragLayer.
-        // There was a one-off crash where the folder had a parent already.
-        if (folder.getParent() == null) {
-            mDragLayer.addView(folder);
-            mDragController.addDropTarget(folder);
-        } else {
-            Log.w(TAG, "Opening folder (" + folder + ") which already has a parent (" +
-                    folder.getParent() + ").");
-        }
-        folder.animateOpen();
-
-        growAndFadeOutFolderIcon(folderIcon);
-
-        // Notify the accessibility manager that this folder "window" has appeared and occluded
-        // the workspace items
-        folder.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
-        getDragLayer().sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
-
-        getUserEventDispatcher().resetElapsedContainerMillis();
-    }
-
-    public void closeFolder() {
-        closeFolder(true);
-    }
-
-    public void closeFolder(boolean animate) {
-        Folder folder = mWorkspace != null ? mWorkspace.getOpenFolder() : null;
-        if (folder != null) {
-            if (folder.isEditingName()) {
-                folder.dismissEditingName();
-            }
-            closeFolder(folder, animate);
-        }
-    }
-
-    public void closeFolder(Folder folder, boolean animate) {
-        animate &= !Utilities.isPowerSaverOn(this);
-
-        folder.getInfo().opened = false;
-
-        ViewGroup parent = (ViewGroup) folder.getParent().getParent();
-        if (parent != null) {
-            FolderIcon fi = (FolderIcon) mWorkspace.getViewForTag(folder.mInfo);
-            shrinkAndFadeInFolderIcon(fi, animate);
-            if (fi != null) {
-                ((CellLayout.LayoutParams) fi.getLayoutParams()).canReorder = true;
-            }
-        }
-        if (animate) {
-            folder.animateClosed();
-        } else {
-            folder.close(false);
-        }
-
-        // Notify the accessibility manager that this folder "window" has disappeared and no
-        // longer occludes the workspace items
-        getDragLayer().sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
-
-        getUserEventDispatcher().resetElapsedContainerMillis();
-    }
-
-    public void closeShortcutsContainer() {
-        closeShortcutsContainer(true);
-    }
-
-    public void closeShortcutsContainer(boolean animate) {
-        DeepShortcutsContainer deepShortcutsContainer = getOpenShortcutsContainer();
-        if (deepShortcutsContainer != null) {
-            if (animate) {
-                deepShortcutsContainer.animateClose();
-            } else {
-                deepShortcutsContainer.close();
-            }
-        }
-    }
-
-    public View getTopFloatingView() {
-        View topView = getOpenShortcutsContainer();
-        if (topView == null) {
-            topView = getWorkspace().getOpenFolder();
-        }
-        return topView;
-    }
-
-    /**
-     * @return The open shortcuts container, or null if there is none
-     */
-    public DeepShortcutsContainer getOpenShortcutsContainer() {
-        // Iterate in reverse order. Shortcuts container is added later to the dragLayer,
-        // and will be one of the last views.
-        for (int i = mDragLayer.getChildCount() - 1; i >= 0; i--) {
-            View child = mDragLayer.getChildAt(i);
-            if (child instanceof DeepShortcutsContainer
-                    && ((DeepShortcutsContainer) child).isOpen()) {
-                return (DeepShortcutsContainer) child;
-            }
-        }
-        return null;
-    }
-
     @Override
     public boolean dispatchTouchEvent(MotionEvent ev) {
         mLastDispatchTouchEventX = ev.getX();
@@ -3220,9 +2972,7 @@ public class Launcher extends Activity
 
         // Change the state *after* we've called all the transition code
         mState = toState;
-
-        closeFolder();
-        closeShortcutsContainer();
+        AbstractFloatingView.closeAllOpenViews(this);
 
         // Send an accessibility event to announce the context change
         getWindow().getDecorView()
@@ -4379,7 +4129,7 @@ public class Launcher extends Activity
                             && mAccessibilityDelegate.performAction(focusedView,
                                     (ItemInfo) focusedView.getTag(),
                                     LauncherAccessibilityDelegate.DEEP_SHORTCUTS)) {
-                        getOpenShortcutsContainer().requestFocus();
+                        DeepShortcutsContainer.getOpen(this).requestFocus();
                         return true;
                     }
                     break;
diff --git a/src/com/android/launcher3/PinchToOverviewListener.java b/src/com/android/launcher3/PinchToOverviewListener.java
index bc5ac2456..66209bfa1 100644
--- a/src/com/android/launcher3/PinchToOverviewListener.java
+++ b/src/com/android/launcher3/PinchToOverviewListener.java
@@ -102,7 +102,7 @@ public class PinchToOverviewListener extends ScaleGestureDetector.SimpleOnScaleG
             // once the state switching animation is complete.
             return false;
         }
-        if (mLauncher.getTopFloatingView() != null) {
+        if (AbstractFloatingView.getTopOpenView(mLauncher) != null) {
             // Don't listen for the pinch gesture if a floating view is open.
             return false;
         }
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index e583be483..f5297358b 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -553,24 +553,6 @@ public class Workspace extends PagedView
              cl.getBackgroundAlpha() > 0);
     }
 
-    /**
-     * @return The open folder on the current screen, or null if there is none
-     */
-    public Folder getOpenFolder() {
-        DragLayer dragLayer = mLauncher.getDragLayer();
-        // Iterate in reverse order. Folder is added later to the dragLayer,
-        // and will be one of the last views.
-        for (int i = dragLayer.getChildCount() - 1; i >= 0; i--) {
-            View child = dragLayer.getChildAt(i);
-            if (child instanceof Folder) {
-                Folder folder = (Folder) child;
-                if (folder.getInfo().opened)
-                    return folder;
-            }
-        }
-        return null;
-    }
-
     boolean isTouchActive() {
         return mTouchState != TOUCH_STATE_REST;
     }
@@ -3811,7 +3793,7 @@ public class Workspace extends PagedView
         if (!workspaceInModalState() && !mIsSwitchingState) {
             super.scrollLeft();
         }
-        Folder openFolder = getOpenFolder();
+        Folder openFolder = Folder.getOpen(mLauncher);
         if (openFolder != null) {
             openFolder.completeDragExit();
         }
@@ -3822,7 +3804,7 @@ public class Workspace extends PagedView
         if (!workspaceInModalState() && !mIsSwitchingState) {
             super.scrollRight();
         }
-        Folder openFolder = getOpenFolder();
+        Folder openFolder = Folder.getOpen(mLauncher);
         if (openFolder != null) {
             openFolder.completeDragExit();
         }
@@ -3841,7 +3823,7 @@ public class Workspace extends PagedView
         }
 
         boolean result = false;
-        if (!workspaceInModalState() && !mIsSwitchingState && getOpenFolder() == null) {
+        if (!workspaceInModalState() && !mIsSwitchingState && Folder.getOpen(mLauncher) == null) {
             mInScrollArea = true;
 
             final int page = getNextPage() +
diff --git a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
index 439e3145e..83391f3ec 100644
--- a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
+++ b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
@@ -192,8 +192,8 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate impleme
             });
             return true;
         } else if (action == MOVE_TO_WORKSPACE) {
-            Folder folder = mLauncher.getWorkspace().getOpenFolder();
-            mLauncher.closeFolder(folder, true);
+            Folder folder = Folder.getOpen(mLauncher);
+            folder.close(true);
             ShortcutInfo info = (ShortcutInfo) item;
             folder.getInfo().remove(info, false);
 
@@ -373,12 +373,10 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate impleme
         mLauncher.getDragLayer().getDescendantRectRelativeToSelf(item, pos);
         mLauncher.getDragController().prepareAccessibleDrag(pos.centerX(), pos.centerY());
 
-        Workspace workspace = mLauncher.getWorkspace();
-
-        Folder folder = workspace.getOpenFolder();
+        Folder folder = Folder.getOpen(mLauncher);
         if (folder != null) {
             if (!folder.getItemsInReadingOrder().contains(item)) {
-                mLauncher.closeFolder();
+                folder.close(true);
                 folder = null;
             }
         }
@@ -390,7 +388,7 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate impleme
         if (folder != null) {
             folder.startDrag(cellInfo.cell, options);
         } else {
-            workspace.startDrag(cellInfo, options);
+            mLauncher.getWorkspace().startDrag(cellInfo, options);
         }
     }
 
diff --git a/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
index 5baa7b59e..f7ca7034d 100644
--- a/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
+++ b/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
@@ -19,6 +19,7 @@ package com.android.launcher3.accessibility;
 import android.view.View;
 import android.view.accessibility.AccessibilityNodeInfo;
 
+import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherModel;
@@ -64,7 +65,7 @@ public class ShortcutMenuAccessibilityDelegate extends LauncherAccessibilityDele
                     ArrayList<ItemInfo> itemList = new ArrayList<>();
                     itemList.add(info);
                     mLauncher.bindItems(itemList, 0, itemList.size(), true);
-                    mLauncher.closeShortcutsContainer();
+                    AbstractFloatingView.closeAllOpenViews(mLauncher);
                     announceConfirmation(R.string.item_added_to_workspace);
                 }
             };
diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index cdd2f1d0c..689ee3816 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -52,6 +52,7 @@ import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.graphics.TintedDrawableSpan;
 import com.android.launcher3.keyboard.FocusedItemDecorator;
+import com.android.launcher3.shortcuts.DeepShortcutsContainer;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 import com.android.launcher3.util.ComponentKey;
 
@@ -265,7 +266,7 @@ public class AllAppsContainerView extends BaseContainerView implements DragSourc
         }
 
         // IF a shortcuts container is open, container should not be pulled down.
-        if (mLauncher.getOpenShortcutsContainer() != null) {
+        if (DeepShortcutsContainer.getOpen(mLauncher) != null) {
             return false;
         }
 
diff --git a/src/com/android/launcher3/dragndrop/DragLayer.java b/src/com/android/launcher3/dragndrop/DragLayer.java
index 1bbbd4615..019a1745c 100644
--- a/src/com/android/launcher3/dragndrop/DragLayer.java
+++ b/src/com/android/launcher3/dragndrop/DragLayer.java
@@ -49,9 +49,11 @@ import android.view.animation.Interpolator;
 import android.widget.FrameLayout;
 import android.widget.TextView;
 
+import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.AppWidgetResizeFrame;
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.DropTargetBar;
+import com.android.launcher3.ExtendedEditText;
 import com.android.launcher3.InsettableFrameLayout;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppWidgetHostView;
@@ -66,7 +68,6 @@ import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
-import com.android.launcher3.shortcuts.DeepShortcutsContainer;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.util.TouchController;
 
@@ -178,18 +179,13 @@ public class DragLayer extends InsettableFrameLayout {
     }
 
     public boolean isEventOverPageIndicator(MotionEvent ev) {
-        getDescendantRectRelativeToSelf(mLauncher.getWorkspace().getPageIndicator(), mHitRect);
-        return mHitRect.contains((int) ev.getX(), (int) ev.getY());
+        return isEventOverView(mLauncher.getWorkspace().getPageIndicator(), ev);
     }
 
     public boolean isEventOverHotseat(MotionEvent ev) {
         return isEventOverView(mLauncher.getHotseat(), ev);
     }
 
-    private boolean isEventOverFolderTextRegion(Folder folder, MotionEvent ev) {
-        return isEventOverView(folder.getEditTextRegion(), ev);
-    }
-
     private boolean isEventOverFolder(Folder folder, MotionEvent ev) {
         return isEventOverView(folder, ev);
     }
@@ -204,45 +200,27 @@ public class DragLayer extends InsettableFrameLayout {
     }
 
     private boolean handleTouchDown(MotionEvent ev, boolean intercept) {
-        // Remove the shortcuts container when touching outside of it.
-        DeepShortcutsContainer deepShortcutsContainer = mLauncher.getOpenShortcutsContainer();
-        if (deepShortcutsContainer != null) {
-            if (isEventOverView(deepShortcutsContainer, ev)) {
-                // Let the container handle the event.
-                return false;
-            } else {
+        AbstractFloatingView topView = AbstractFloatingView.getTopOpenView(mLauncher);
+        if (topView != null && intercept) {
+            ExtendedEditText textView = topView.getActiveTextView();
+            if (textView != null) {
+                if (!isEventOverView(textView, ev)) {
+                    textView.dispatchBackKey();
+                    return true;
+                }
+            } else if (!isEventOverView(topView, ev)) {
                 if (isInAccessibleDrag()) {
                     // Do not close the container if in drag and drop.
                     if (!isEventOverDropTargetBar(ev)) {
                         return true;
                     }
                 } else {
-                    mLauncher.closeShortcutsContainer();
+                    topView.close(true);
+
                     // We let touches on the original icon go through so that users can launch
                     // the app with one tap if they don't find a shortcut they want.
-                    return !isEventOverView(deepShortcutsContainer.getOriginalIcon(), ev);
-                }
-            }
-        }
-
-        Folder currentFolder = mLauncher.getWorkspace().getOpenFolder();
-        if (currentFolder != null && intercept) {
-            if (currentFolder.isEditingName()) {
-                if (!isEventOverFolderTextRegion(currentFolder, ev)) {
-                    currentFolder.dismissEditingName();
-                    return true;
-                }
-            }
-
-            if (!isEventOverFolder(currentFolder, ev)) {
-                if (isInAccessibleDrag()) {
-                    // Do not close the folder if in drag and drop.
-                    if (!isEventOverDropTargetBar(ev)) {
-                        return true;
-                    }
-                } else {
-                    mLauncher.closeFolder();
-                    return true;
+                    View extendedTouch = topView.getExtendedTouchView();
+                    return extendedTouch == null || !isEventOverView(extendedTouch, ev);
                 }
             }
         }
@@ -300,7 +278,7 @@ public class DragLayer extends InsettableFrameLayout {
         if (mLauncher == null || mLauncher.getWorkspace() == null) {
             return false;
         }
-        Folder currentFolder = mLauncher.getWorkspace().getOpenFolder();
+        Folder currentFolder = Folder.getOpen(mLauncher);
         if (currentFolder == null) {
             return false;
         } else {
@@ -350,7 +328,7 @@ public class DragLayer extends InsettableFrameLayout {
     @Override
     public boolean onRequestSendAccessibilityEvent(View child, AccessibilityEvent event) {
         // Shortcuts can appear above folder
-        View topView = mLauncher.getTopFloatingView();
+        View topView = AbstractFloatingView.getTopOpenView(mLauncher);
         if (topView != null) {
             if (child == topView) {
                 return super.onRequestSendAccessibilityEvent(child, event);
@@ -367,7 +345,7 @@ public class DragLayer extends InsettableFrameLayout {
 
     @Override
     public void addChildrenForAccessibility(ArrayList<View> childrenForAccessibility) {
-        View topView = mLauncher.getTopFloatingView();
+        View topView = AbstractFloatingView.getTopOpenView(mLauncher);
         if (topView != null) {
             // Only add the top view as a child for accessibility when it is open
             childrenForAccessibility.add(topView);
@@ -522,7 +500,7 @@ public class DragLayer extends InsettableFrameLayout {
     @Override
     public boolean dispatchUnhandledMove(View focused, int direction) {
         // Consume the unhandled move if a container is open, to avoid switching pages underneath.
-        boolean isContainerOpen = mLauncher.getTopFloatingView() != null;
+        boolean isContainerOpen = AbstractFloatingView.getTopOpenView(mLauncher) != null;
         return isContainerOpen || mDragController.dispatchUnhandledMove(focused, direction);
     }
 
@@ -1031,7 +1009,7 @@ public class DragLayer extends InsettableFrameLayout {
 
     @Override
     protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) {
-        View topView = mLauncher.getTopFloatingView();
+        View topView = AbstractFloatingView.getTopOpenView(mLauncher);
         if (topView != null) {
             return topView.requestFocus(direction, previouslyFocusedRect);
         } else {
@@ -1041,7 +1019,7 @@ public class DragLayer extends InsettableFrameLayout {
 
     @Override
     public void addFocusables(ArrayList<View> views, int direction, int focusableMode) {
-        View topView = mLauncher.getTopFloatingView();
+        View topView = AbstractFloatingView.getTopOpenView(mLauncher);
         if (topView != null) {
             topView.addFocusables(views, direction);
         } else {
diff --git a/src/com/android/launcher3/folder/Folder.java b/src/com/android/launcher3/folder/Folder.java
index 7030b660f..0685ddbe1 100644
--- a/src/com/android/launcher3/folder/Folder.java
+++ b/src/com/android/launcher3/folder/Folder.java
@@ -46,9 +46,9 @@ import android.view.animation.AccelerateInterpolator;
 import android.view.animation.AnimationUtils;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodManager;
-import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.Alarm;
 import com.android.launcher3.AppInfo;
 import com.android.launcher3.BubbleTextView;
@@ -73,6 +73,7 @@ import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace.ItemOperator;
 import com.android.launcher3.accessibility.AccessibleDragListenerAdapter;
 import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.config.ProviderConfig;
 import com.android.launcher3.dragndrop.DragController;
 import com.android.launcher3.dragndrop.DragController.DragListener;
 import com.android.launcher3.dragndrop.DragLayer;
@@ -91,9 +92,10 @@ import java.util.Comparator;
 /**
  * Represents a set of icons chosen by the user or generated by the system.
  */
-public class Folder extends LinearLayout implements DragSource, View.OnClickListener,
+public class Folder extends AbstractFloatingView implements DragSource, View.OnClickListener,
         View.OnLongClickListener, DropTarget, FolderListener, TextView.OnEditorActionListener,
-        View.OnFocusChangeListener, DragListener, DropTargetSource {
+        View.OnFocusChangeListener, DragListener, DropTargetSource,
+        ExtendedEditText.OnBackKeyListener {
     private static final String TAG = "Launcher.Folder";
 
     /**
@@ -227,14 +229,7 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
 
         mPageIndicator = (PageIndicatorDots) findViewById(R.id.folder_page_indicator);
         mFolderName = (ExtendedEditText) findViewById(R.id.folder_name);
-        mFolderName.setOnBackKeyListener(new ExtendedEditText.OnBackKeyListener() {
-            @Override
-            public boolean onBackKey() {
-                // Close the activity on back key press
-                doneEditingFolderName(true);
-                return false;
-            }
-        });
+        mFolderName.setOnBackKeyListener(this);
         mFolderName.setOnFocusChangeListener(this);
 
         if (!Utilities.ATLEAST_MARSHMALLOW) {
@@ -357,12 +352,9 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
         });
     }
 
-    public void dismissEditingName() {
-        mInputMethodManager.hideSoftInputFromWindow(getWindowToken(), 0);
-        doneEditingFolderName(true);
-    }
 
-    public void doneEditingFolderName(boolean commit) {
+    @Override
+    public boolean onBackKey() {
         mFolderName.setHint(sHintText);
         // Convert to a string here to ensure that no other state associated with the text field
         // gets saved.
@@ -370,30 +362,30 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
         mInfo.setTitle(newTitle);
         LauncherModel.updateItemInDatabase(mLauncher, mInfo);
 
-        if (commit) {
-            Utilities.sendCustomAccessibilityEvent(
-                    this, AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
-                    getContext().getString(R.string.folder_renamed, newTitle));
-        }
+        Utilities.sendCustomAccessibilityEvent(
+                this, AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
+                getContext().getString(R.string.folder_renamed, newTitle));
 
         // This ensures that focus is gained every time the field is clicked, which selects all
         // the text and brings up the soft keyboard if necessary.
         mFolderName.clearFocus();
 
-        Selection.setSelection((Spannable) mFolderName.getText(), 0, 0);
+        Selection.setSelection(mFolderName.getText(), 0, 0);
         mIsEditingName = false;
+        return true;
     }
 
     public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
         if (actionId == EditorInfo.IME_ACTION_DONE) {
-            dismissEditingName();
+            mFolderName.dispatchBackKey();
             return true;
         }
         return false;
     }
 
-    public View getEditTextRegion() {
-        return mFolderName;
+    @Override
+    public ExtendedEditText getActiveTextView() {
+        return isEditingName() ? mFolderName : null;
     }
 
     /**
@@ -518,8 +510,33 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
         mState = STATE_SMALL;
     }
 
+    /**
+     * Opens the user folder described by the specified tag. The opening of the folder
+     * is animated relative to the specified View. If the View is null, no animation
+     * is played.
+     */
     public void animateOpen() {
-        if (!(getParent() instanceof DragLayer)) return;
+        Folder openFolder = getOpen(mLauncher);
+        if (openFolder != null && openFolder != this) {
+            // Close any open folder before opening a folder.
+            openFolder.close(true);
+        }
+
+        DragLayer dragLayer = mLauncher.getDragLayer();
+        // Just verify that the folder hasn't already been added to the DragLayer.
+        // There was a one-off crash where the folder had a parent already.
+        if (getParent() == null) {
+            dragLayer.addView(this);
+            mDragController.addDropTarget(this);
+        } else {
+            if (ProviderConfig.IS_DOGFOOD_BUILD) {
+                Log.e(TAG, "Opening folder (" + this + ") which already has a parent:"
+                        + getParent());
+            }
+        }
+
+        mIsOpen = true;
+        mFolderIcon.growAndFadeOut();
 
         mContent.completePendingPageChanges();
         if (!mDragInProgress) {
@@ -532,83 +549,63 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
         // dropping. One resulting issue is that replaceFolderWithFinalItem() can be called twice.
         mDeleteFolderOnDropCompleted = false;
 
-        Animator openFolderAnim = null;
         final Runnable onCompleteRunnable;
-        if (!Utilities.ATLEAST_LOLLIPOP) {
-            positionAndSizeAsIcon();
-            centerAboutIcon();
+        prepareReveal();
+        centerAboutIcon();
 
-            final ObjectAnimator oa = LauncherAnimUtils.ofViewAlphaAndScale(this, 1, 1, 1);
-            oa.setDuration(mExpandDuration);
-            openFolderAnim = oa;
+        AnimatorSet anim = LauncherAnimUtils.createAnimatorSet();
+        int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
+        int height = getFolderHeight();
 
-            setLayerType(LAYER_TYPE_HARDWARE, null);
-            onCompleteRunnable = new Runnable() {
-                @Override
-                public void run() {
-                    setLayerType(LAYER_TYPE_NONE, null);
-                }
-            };
-        } else {
-            prepareReveal();
-            centerAboutIcon();
-
-            AnimatorSet anim = LauncherAnimUtils.createAnimatorSet();
-            int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
-            int height = getFolderHeight();
-
-            float transX = - 0.075f * (width / 2 - getPivotX());
-            float transY = - 0.075f * (height / 2 - getPivotY());
-            setTranslationX(transX);
-            setTranslationY(transY);
-            PropertyValuesHolder tx = PropertyValuesHolder.ofFloat(TRANSLATION_X, transX, 0);
-            PropertyValuesHolder ty = PropertyValuesHolder.ofFloat(TRANSLATION_Y, transY, 0);
-
-            Animator drift = ObjectAnimator.ofPropertyValuesHolder(this, tx, ty);
-            drift.setDuration(mMaterialExpandDuration);
-            drift.setStartDelay(mMaterialExpandStagger);
-            drift.setInterpolator(new LogDecelerateInterpolator(100, 0));
-
-            int rx = (int) Math.max(Math.max(width - getPivotX(), 0), getPivotX());
-            int ry = (int) Math.max(Math.max(height - getPivotY(), 0), getPivotY());
-            float radius = (float) Math.hypot(rx, ry);
-
-            Animator reveal = new CircleRevealOutlineProvider((int) getPivotX(),
-                    (int) getPivotY(), 0, radius).createRevealAnimator(this);
-            reveal.setDuration(mMaterialExpandDuration);
-            reveal.setInterpolator(new LogDecelerateInterpolator(100, 0));
-
-            mContent.setAlpha(0f);
-            Animator iconsAlpha = ObjectAnimator.ofFloat(mContent, "alpha", 0f, 1f);
-            iconsAlpha.setDuration(mMaterialExpandDuration);
-            iconsAlpha.setStartDelay(mMaterialExpandStagger);
-            iconsAlpha.setInterpolator(new AccelerateInterpolator(1.5f));
-
-            mFooter.setAlpha(0f);
-            Animator textAlpha = ObjectAnimator.ofFloat(mFooter, "alpha", 0f, 1f);
-            textAlpha.setDuration(mMaterialExpandDuration);
-            textAlpha.setStartDelay(mMaterialExpandStagger);
-            textAlpha.setInterpolator(new AccelerateInterpolator(1.5f));
-
-            anim.play(drift);
-            anim.play(iconsAlpha);
-            anim.play(textAlpha);
-            anim.play(reveal);
-
-            openFolderAnim = anim;
-
-            mContent.setLayerType(LAYER_TYPE_HARDWARE, null);
-            mFooter.setLayerType(LAYER_TYPE_HARDWARE, null);
-            onCompleteRunnable = new Runnable() {
-                @Override
-                public void run() {
-                    mContent.setLayerType(LAYER_TYPE_NONE, null);
-                    mFooter.setLayerType(LAYER_TYPE_NONE, null);
-                    mLauncher.getUserEventDispatcher().resetElapsedContainerMillis();
-                }
-            };
-        }
-        openFolderAnim.addListener(new AnimatorListenerAdapter() {
+        float transX = - 0.075f * (width / 2 - getPivotX());
+        float transY = - 0.075f * (height / 2 - getPivotY());
+        setTranslationX(transX);
+        setTranslationY(transY);
+        PropertyValuesHolder tx = PropertyValuesHolder.ofFloat(TRANSLATION_X, transX, 0);
+        PropertyValuesHolder ty = PropertyValuesHolder.ofFloat(TRANSLATION_Y, transY, 0);
+
+        Animator drift = ObjectAnimator.ofPropertyValuesHolder(this, tx, ty);
+        drift.setDuration(mMaterialExpandDuration);
+        drift.setStartDelay(mMaterialExpandStagger);
+        drift.setInterpolator(new LogDecelerateInterpolator(100, 0));
+
+        int rx = (int) Math.max(Math.max(width - getPivotX(), 0), getPivotX());
+        int ry = (int) Math.max(Math.max(height - getPivotY(), 0), getPivotY());
+        float radius = (float) Math.hypot(rx, ry);
+
+        Animator reveal = new CircleRevealOutlineProvider((int) getPivotX(),
+                (int) getPivotY(), 0, radius).createRevealAnimator(this);
+        reveal.setDuration(mMaterialExpandDuration);
+        reveal.setInterpolator(new LogDecelerateInterpolator(100, 0));
+
+        mContent.setAlpha(0f);
+        Animator iconsAlpha = ObjectAnimator.ofFloat(mContent, "alpha", 0f, 1f);
+        iconsAlpha.setDuration(mMaterialExpandDuration);
+        iconsAlpha.setStartDelay(mMaterialExpandStagger);
+        iconsAlpha.setInterpolator(new AccelerateInterpolator(1.5f));
+
+        mFooter.setAlpha(0f);
+        Animator textAlpha = ObjectAnimator.ofFloat(mFooter, "alpha", 0f, 1f);
+        textAlpha.setDuration(mMaterialExpandDuration);
+        textAlpha.setStartDelay(mMaterialExpandStagger);
+        textAlpha.setInterpolator(new AccelerateInterpolator(1.5f));
+
+        anim.play(drift);
+        anim.play(iconsAlpha);
+        anim.play(textAlpha);
+        anim.play(reveal);
+
+        mContent.setLayerType(LAYER_TYPE_HARDWARE, null);
+        mFooter.setLayerType(LAYER_TYPE_HARDWARE, null);
+        onCompleteRunnable = new Runnable() {
+            @Override
+            public void run() {
+                mContent.setLayerType(LAYER_TYPE_NONE, null);
+                mFooter.setLayerType(LAYER_TYPE_NONE, null);
+                mLauncher.getUserEventDispatcher().resetElapsedContainerMillis();
+            }
+        };
+        anim.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationStart(Animator animation) {
                 Utilities.sendCustomAccessibilityEvent(
@@ -639,7 +636,7 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
             // Do not update the flag if we are in drag mode. The flag will be updated, when we
             // actually drop the icon.
             final boolean updateAnimationFlag = !mDragInProgress;
-            openFolderAnim.addListener(new AnimatorListenerAdapter() {
+            anim.addListener(new AnimatorListenerAdapter() {
 
                 @SuppressLint("InlinedApi")
                 @Override
@@ -662,7 +659,7 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
         }
 
         mPageIndicator.stopAllAnimations();
-        openFolderAnim.start();
+        anim.start();
 
         // Make sure the folder picks up the last drag move even if the finger doesn't move.
         if (mDragController.isDragging()) {
@@ -670,6 +667,11 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
         }
 
         mContent.verifyVisibleHighResIcons(mContent.getNextPage());
+
+        // Notify the accessibility manager that this folder "window" has appeared and occluded
+        // the workspace items
+        sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
+        dragLayer.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
     }
 
     public void beginExternalDrag() {
@@ -682,14 +684,44 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
         mDragController.addDragListener(this);
     }
 
-    public void animateClosed() {
+    @Override
+    protected boolean isOfType(int type) {
+        return (type & TYPE_FOLDER) != 0;
+    }
+
+    @Override
+    protected void handleClose(boolean animate) {
+        mIsOpen = false;
+
+        if (isEditingName()) {
+            mFolderName.dispatchBackKey();
+        }
+
+        if (mFolderIcon != null) {
+            mFolderIcon.shrinkAndFadeIn(animate);
+        }
+
         if (!(getParent() instanceof DragLayer)) return;
+
+        if (animate) {
+            animateClosed();
+        } else {
+            closeComplete(false);
+        }
+
+        // Notify the accessibility manager that this folder "window" has disappeared and no
+        // longer occludes the workspace items
+        ((DragLayer) getParent())
+                .sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
+    }
+
+    private void animateClosed() {
         final ObjectAnimator oa = LauncherAnimUtils.ofViewAlphaAndScale(this, 0, 0.9f, 0.9f);
         oa.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationEnd(Animator animation) {
                 setLayerType(LAYER_TYPE_NONE, null);
-                close(true);
+                closeComplete(true);
             }
             @Override
             public void onAnimationStart(Animator animation) {
@@ -705,7 +737,7 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
         oa.start();
     }
 
-    public void close(boolean wasAnimated) {
+    private void closeComplete(boolean wasAnimated) {
         // TODO: Clear all active animations.
         DragLayer parent = (DragLayer) getParent();
         if (parent != null) {
@@ -840,8 +872,8 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
     };
 
     public void completeDragExit() {
-        if (mInfo.opened) {
-            mLauncher.closeFolder();
+        if (mIsOpen) {
+            close(true);
             mRearrangeOnClose = true;
         } else if (mState == STATE_ANIMATING) {
             mRearrangeOnClose = true;
@@ -1370,8 +1402,8 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
             rearrangeChildren();
         }
         if (getItemCount() <= 1) {
-            if (mInfo.opened) {
-                mLauncher.closeFolder(this, true);
+            if (mIsOpen) {
+                close(true);
             } else {
                 replaceFolderWithFinalItem();
             }
@@ -1417,7 +1449,7 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
             if (hasFocus) {
                 startEditingFolderName();
             } else {
-                dismissEditingName();
+                mFolderName.dispatchBackKey();
             }
         }
     }
@@ -1516,4 +1548,11 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
             updateTextViewFocus();
         }
     }
+
+    /**
+     * Returns a folder which is already open or null
+     */
+    public static Folder getOpen(Launcher launcher) {
+        return getOpenView(launcher, TYPE_FOLDER);
+    }
 }
diff --git a/src/com/android/launcher3/folder/FolderIcon.java b/src/com/android/launcher3/folder/FolderIcon.java
index 69c2b0fa3..a29a94659 100644
--- a/src/com/android/launcher3/folder/FolderIcon.java
+++ b/src/com/android/launcher3/folder/FolderIcon.java
@@ -18,6 +18,7 @@ package com.android.launcher3.folder;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
+import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
 import android.animation.ValueAnimator.AnimatorUpdateListener;
 import android.content.Context;
@@ -56,7 +57,6 @@ import com.android.launcher3.IconCache;
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAnimUtils;
-import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.OnAlarmListener;
 import com.android.launcher3.PreloadIconDrawable;
@@ -142,6 +142,7 @@ public class FolderIcon extends FrameLayout implements FolderListener {
         mPreviewLayoutRule = FeatureFlags.LAUNCHER3_LEGACY_FOLDER_ICON ?
                 new StackFolderIconLayoutRule() :
                 new ClippedFolderIconLayoutRule();
+        mSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop();
     }
 
     public static FolderIcon fromXml(int resId, Launcher launcher, ViewGroup group,
@@ -202,16 +203,12 @@ public class FolderIcon extends FrameLayout implements FolderListener {
         updateItemDrawingParams(false);
     }
 
-    public FolderInfo getFolderInfo() {
-        return mInfo;
-    }
-
     private boolean willAcceptItem(ItemInfo item) {
         final int itemType = item.itemType;
         return ((itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION ||
                 itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT ||
                 itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) &&
-                !mFolder.isFull() && item != mInfo && !mInfo.opened);
+                !mFolder.isFull() && item != mInfo && !mFolder.isOpen());
     }
 
     public boolean acceptDrop(ItemInfo dragInfo) {
@@ -243,7 +240,7 @@ public class FolderIcon extends FrameLayout implements FolderListener {
     OnAlarmListener mOnOpenListener = new OnAlarmListener() {
         public void onAlarm(Alarm alarm) {
             mFolder.beginExternalDrag();
-            mLauncher.openFolder(FolderIcon.this);
+            mFolder.animateOpen();
         }
     };
 
@@ -974,12 +971,6 @@ public class FolderIcon extends FrameLayout implements FolderListener {
     }
 
     @Override
-    protected void onAttachedToWindow() {
-        super.onAttachedToWindow();
-        mSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop();
-    }
-
-    @Override
     public void cancelLongPress() {
         super.cancelLongPress();
         mLongPressHelper.cancelLongPress();
@@ -990,13 +981,76 @@ public class FolderIcon extends FrameLayout implements FolderListener {
         mInfo.removeListener(mFolder);
     }
 
+    public void shrinkAndFadeIn(boolean animate) {
+        final CellLayout cl = (CellLayout) getParent().getParent();
+        ((CellLayout.LayoutParams) getLayoutParams()).canReorder = true;
+
+        // We remove and re-draw the FolderIcon in-case it has changed
+        final PreviewImageView previewImage = PreviewImageView.get(getContext());
+        previewImage.removeFromParent();
+        copyToPreview(previewImage);
+
+        if (cl != null) {
+            cl.clearFolderLeaveBehind();
+        }
+
+        ObjectAnimator oa = LauncherAnimUtils.ofViewAlphaAndScale(previewImage, 1, 1, 1);
+        oa.setDuration(getResources().getInteger(R.integer.config_folderExpandDuration));
+        oa.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                if (cl != null) {
+                    // Remove the ImageView copy of the FolderIcon and make the original visible.
+                    previewImage.removeFromParent();
+                    setVisibility(View.VISIBLE);
+                }
+            }
+        });
+        oa.start();
+        if (!animate) {
+            oa.end();
+        }
+    }
+
+    public void growAndFadeOut() {
+        CellLayout.LayoutParams lp = (CellLayout.LayoutParams) getLayoutParams();
+        // While the folder is open, the position of the icon cannot change.
+        lp.canReorder = false;
+        if (mInfo.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
+            CellLayout cl = (CellLayout) getParent().getParent();
+            cl.setFolderLeaveBehindCell(lp.cellX, lp.cellY);
+        }
+
+        // Push an ImageView copy of the FolderIcon into the DragLayer and hide the original
+        PreviewImageView previewImage = PreviewImageView.get(getContext());
+        copyToPreview(previewImage);
+        setVisibility(View.INVISIBLE);
+
+        ObjectAnimator oa = LauncherAnimUtils.ofViewAlphaAndScale(previewImage, 0, 1.5f, 1.5f);
+        oa.setDuration(getResources().getInteger(R.integer.config_folderExpandDuration));
+        oa.start();
+    }
+
+    /**
+     * This method draws the FolderIcon to an ImageView and then adds and positions that ImageView
+     * in the DragLayer in the exact absolute location of the original FolderIcon.
+     */
+    private void copyToPreview(PreviewImageView previewImageView) {
+        previewImageView.copy(this);
+        if (mFolder != null) {
+            previewImageView.setPivotX(mFolder.getPivotXForIconAnimation());
+            previewImageView.setPivotY(mFolder.getPivotYForIconAnimation());
+            mFolder.bringToFront();
+        }
+    }
+
     public interface PreviewLayoutRule {
-        public PreviewItemDrawingParams computePreviewItemDrawingParams(int index, int curNumItems,
+        PreviewItemDrawingParams computePreviewItemDrawingParams(int index, int curNumItems,
             PreviewItemDrawingParams params);
 
-        public void init(int availableSpace, int intrinsicIconSize, boolean rtl);
+        void init(int availableSpace, int intrinsicIconSize, boolean rtl);
 
-        public int numItems();
-        public boolean clipToBackground();
+        int numItems();
+        boolean clipToBackground();
     }
 }
diff --git a/src/com/android/launcher3/folder/PreviewImageView.java b/src/com/android/launcher3/folder/PreviewImageView.java
new file mode 100644
index 000000000..c4f3ee15c
--- /dev/null
+++ b/src/com/android/launcher3/folder/PreviewImageView.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2016 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.folder;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.PorterDuff;
+import android.graphics.Rect;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+
+import com.android.launcher3.Launcher;
+import com.android.launcher3.R;
+import com.android.launcher3.dragndrop.DragLayer;
+
+/**
+ * A temporary view which displays the a bitmap (used for folder icon animation)
+ */
+public class PreviewImageView extends ImageView {
+
+    private final Rect mTempRect = new Rect();
+    private final DragLayer mParent;
+
+    private Bitmap mBitmap;
+    private Canvas mCanvas;
+
+    public PreviewImageView(DragLayer parent) {
+        super(parent.getContext());
+        mParent = parent;
+    }
+
+    public void copy(View view) {
+        final int width = view.getMeasuredWidth();
+        final int height = view.getMeasuredHeight();
+
+        if (mBitmap == null || mBitmap.getWidth() != width || mBitmap.getHeight() != height) {
+            mBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+            mCanvas = new Canvas(mBitmap);
+        }
+
+        DragLayer.LayoutParams lp;
+        if (getLayoutParams() instanceof DragLayer.LayoutParams) {
+            lp = (DragLayer.LayoutParams) getLayoutParams();
+        } else {
+            lp = new DragLayer.LayoutParams(width, height);
+        }
+
+        // The layout from which the folder is being opened may be scaled, adjust the starting
+        // view size by this scale factor.
+        float scale = mParent.getDescendantRectRelativeToSelf(view, mTempRect);
+        lp.customPosition = true;
+        lp.x = mTempRect.left;
+        lp.y = mTempRect.top;
+        lp.width = (int) (scale * width);
+        lp.height = (int) (scale * height);
+
+        mCanvas.drawColor(0, PorterDuff.Mode.CLEAR);
+        view.draw(mCanvas);
+        setImageBitmap(mBitmap);
+
+        // Just in case this image view is still in the drag layer from a previous animation,
+        // we remove it and re-add it.
+        removeFromParent();
+        mParent.addView(this, lp);
+    }
+
+    public void removeFromParent() {
+        if (mParent.indexOfChild(this) != -1) {
+            mParent.removeView(this);
+        }
+    }
+
+    public static PreviewImageView get(Context context) {
+        DragLayer dragLayer = Launcher.getLauncher(context).getDragLayer();
+        PreviewImageView view = (PreviewImageView) dragLayer.getTag(R.id.preview_image_id);
+        if (view == null) {
+            view = new PreviewImageView(dragLayer);
+            dragLayer.setTag(R.id.preview_image_id, view);
+        }
+        return view;
+    }
+}
diff --git a/src/com/android/launcher3/keyboard/CustomActionsPopup.java b/src/com/android/launcher3/keyboard/CustomActionsPopup.java
index 6056f4c10..6603e93b0 100644
--- a/src/com/android/launcher3/keyboard/CustomActionsPopup.java
+++ b/src/com/android/launcher3/keyboard/CustomActionsPopup.java
@@ -46,7 +46,7 @@ public class CustomActionsPopup implements OnMenuItemClickListener {
     public CustomActionsPopup(Launcher launcher, View icon) {
         mLauncher = launcher;
         mIcon = icon;
-        DeepShortcutsContainer container = launcher.getOpenShortcutsContainer();
+        DeepShortcutsContainer container = DeepShortcutsContainer.getOpen(launcher);
         if (container != null) {
             mDelegate = container.getAccessibilityDelegate();
         } else {
diff --git a/src/com/android/launcher3/shortcuts/DeepShortcutsContainer.java b/src/com/android/launcher3/shortcuts/DeepShortcutsContainer.java
index 9f9a99eb1..b5126e95c 100644
--- a/src/com/android/launcher3/shortcuts/DeepShortcutsContainer.java
+++ b/src/com/android/launcher3/shortcuts/DeepShortcutsContainer.java
@@ -41,6 +41,7 @@ import android.view.accessibility.AccessibilityEvent;
 import android.view.animation.DecelerateInterpolator;
 import android.widget.LinearLayout;
 
+import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.DragSource;
 import com.android.launcher3.DropTarget;
@@ -73,9 +74,9 @@ import java.util.List;
  * A container for shortcuts to deep links within apps.
  */
 @TargetApi(Build.VERSION_CODES.N)
-public class DeepShortcutsContainer extends LinearLayout implements View.OnLongClickListener,
+public class DeepShortcutsContainer extends AbstractFloatingView
+        implements View.OnLongClickListener,
         View.OnTouchListener, DragSource, DragController.DragListener {
-    private static final String TAG = "ShortcutsContainer";
 
     private final Point mIconShift = new Point();
 
@@ -94,7 +95,6 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
 
     private Animator mOpenCloseAnimator;
     private boolean mDeferContainerRemoval;
-    private boolean mIsOpen;
 
     public DeepShortcutsContainer(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
@@ -376,7 +376,8 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
         return arrowView;
     }
 
-    public BubbleTextView getOriginalIcon() {
+    @Override
+    public View getExtendedTouchView() {
         return mOriginalIcon;
     }
 
@@ -444,7 +445,7 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
         dv.animateShift(-mIconShift.x, -mIconShift.y);
 
         // TODO: support dragging from within folder without having to close it
-        mLauncher.closeFolder();
+        AbstractFloatingView.closeOpenContainer(mLauncher, AbstractFloatingView.TYPE_FOLDER);
         return false;
     }
 
@@ -499,7 +500,7 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
             } else {
                 // Close animation is not running.
                 if (mDeferContainerRemoval) {
-                    close();
+                    closeComplete();
                 }
             }
         }
@@ -512,7 +513,16 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
         targetParent.containerType = LauncherLogProto.DEEPSHORTCUTS;
     }
 
-    public void animateClose() {
+    @Override
+    protected void handleClose(boolean animate) {
+        if (animate) {
+            animateClose();
+        } else {
+            closeComplete();
+        }
+    }
+
+    private void animateClose() {
         if (!mIsOpen) {
             return;
         }
@@ -592,7 +602,7 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
                 if (mDeferContainerRemoval) {
                     setVisibility(INVISIBLE);
                 } else {
-                    close();
+                    closeComplete();
                 }
             }
         });
@@ -607,7 +617,7 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
     /**
      * Closes the folder without animation.
      */
-    public void close() {
+    private void closeComplete() {
         if (mOpenCloseAnimator != null) {
             mOpenCloseAnimator.cancel();
             mOpenCloseAnimator = null;
@@ -621,8 +631,9 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
         mLauncher.getDragLayer().removeView(this);
     }
 
-    public boolean isOpen() {
-        return mIsOpen;
+    @Override
+    protected boolean isOfType(int type) {
+        return (type & TYPE_DEEPSHORTCUT_CONTAINER) != 0;
     }
 
     /**
@@ -631,7 +642,7 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
      */
     public static DeepShortcutsContainer showForIcon(BubbleTextView icon) {
         Launcher launcher = Launcher.getLauncher(icon.getContext());
-        if (launcher.getOpenShortcutsContainer() != null) {
+        if (getOpen(launcher) != null) {
             // There is already a shortcuts container open, so don't open this one.
             icon.clearFocus();
             return null;
@@ -666,4 +677,11 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
             return unbadgedBitmap;
         }
     }
+
+    /**
+     * Returns a DeepShortcutsContainer which is already open or null
+     */
+    public static DeepShortcutsContainer getOpen(Launcher launcher) {
+        return getOpenView(launcher, TYPE_DEEPSHORTCUT_CONTAINER);
+    }
 }