Merge changes from topic 'am-8d8ca114-e86f-43c6-8613-588414d352dc' into ub-launcher3-master

* changes:
  Using common fling detection logic for notification and all-apps am: b72d8b2c8b
  Using common fling detection logic for notification and all-apps
diff --git a/Android.mk b/Android.mk
index c8a53d2..0543b42 100644
--- a/Android.mk
+++ b/Android.mk
@@ -33,7 +33,8 @@
     $(call all-java-files-under, src) \
     $(call all-java-files-under, src_config) \
     $(call all-java-files-under, src_flags) \
-    $(call all-proto-files-under, protos)
+    $(call all-proto-files-under, protos) \
+    $(call all-proto-files-under, proto_overrides)
 
 LOCAL_RESOURCE_DIR := \
     $(LOCAL_PATH)/res \
@@ -42,7 +43,7 @@
 LOCAL_PROGUARD_FLAG_FILES := proguard.flags
 
 LOCAL_PROTOC_OPTIMIZE_TYPE := nano
-LOCAL_PROTOC_FLAGS := --proto_path=$(LOCAL_PATH)/protos/
+LOCAL_PROTOC_FLAGS := --proto_path=$(LOCAL_PATH)/protos/ --proto_path=$(LOCAL_PATH)/proto_overrides/
 LOCAL_PROTO_JAVA_OUTPUT_PARAMS := enum_style=java
 
 LOCAL_AAPT_FLAGS := \
@@ -66,10 +67,10 @@
 #
 include $(CLEAR_VARS)
 
-LOCAL_SRC_FILES := $(call all-proto-files-under, protos)
+LOCAL_SRC_FILES := $(call all-proto-files-under, protos) $(call all-proto-files-under, proto_overrides)
 
 LOCAL_PROTOC_OPTIMIZE_TYPE := nano
-LOCAL_PROTOC_FLAGS := --proto_path=$(LOCAL_PATH)/protos/
+LOCAL_PROTOC_FLAGS := --proto_path=$(LOCAL_PATH)/protos/ --proto_path=$(LOCAL_PATH)/proto_overrides/
 LOCAL_PROTO_JAVA_OUTPUT_PARAMS := enum_style=java
 
 LOCAL_MODULE_TAGS := optional
diff --git a/build.gradle b/build.gradle
index c23a299..79ee111 100644
--- a/build.gradle
+++ b/build.gradle
@@ -41,7 +41,10 @@
             res.srcDirs = ['res']
             java.srcDirs = ['src', 'src_flags']
             manifest.srcFile 'AndroidManifest-common.xml'
-            proto.srcDirs 'protos/'
+            proto {
+                srcDir 'protos/'
+                srcDir 'proto_overrides/'
+            }
         }
 
         androidTest {
@@ -92,6 +95,7 @@
                 task.builtins {
                     remove java
                     javanano {
+                        option "java_package=launcher_log_extension.proto|com.android.launcher3.userevent.nano"
                         option "java_package=launcher_log.proto|com.android.launcher3.userevent.nano"
                         option "java_package=launcher_dump.proto|com.android.launcher3.model.nano"
                         option "enum_style=java"
diff --git a/proto_overrides/launcher_log_extension.proto b/proto_overrides/launcher_log_extension.proto
new file mode 100644
index 0000000..2995aa2
--- /dev/null
+++ b/proto_overrides/launcher_log_extension.proto
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+syntax = "proto2";
+
+option java_package = "com.android.launcher3.userevent";
+option java_outer_classname = "LauncherLogExtensions";
+
+package userevent;
+
+//
+// Use this to add any app specific extensions to the proto.
+//
+message LauncherEventExtension {
+}
+
+message TargetExtension {
+}
diff --git a/protos/launcher_log.proto b/protos/launcher_log.proto
index 93e09ae..0bbec18 100644
--- a/protos/launcher_log.proto
+++ b/protos/launcher_log.proto
@@ -15,6 +15,8 @@
  */
 syntax = "proto2";
 
+import "launcher_log_extension.proto";
+
 option java_package = "com.android.launcher3.userevent";
 option java_outer_classname = "LauncherLogProto";
 
@@ -52,6 +54,7 @@
   optional int32 span_x = 13 [default = 1];// Used for ItemType.WIDGET
   optional int32 span_y = 14 [default = 1];// Used for ItemType.WIDGET
   optional int32 predictedRank = 15;
+  optional TargetExtension extension = 16;
 }
 
 // Used to define what type of item a Target would represent.
@@ -144,7 +147,6 @@
 //         Action (Touch) + Target + Target
 //
 message LauncherEvent {
-
   required Action action = 1;
 
   // List of targets that touch actions can be operated on.
@@ -157,4 +159,6 @@
 
   optional bool is_in_multi_window_mode = 7;
   optional bool is_in_landscape_mode = 8;
+
+  optional LauncherEventExtension extension = 9;
 }
diff --git a/res/layout/folder_application.xml b/res/layout/folder_application.xml
index de861a0..9d4af0d 100644
--- a/res/layout/folder_application.xml
+++ b/res/layout/folder_application.xml
@@ -19,4 +19,9 @@
     xmlns:launcher="http://schemas.android.com/apk/res-auto"
     style="@style/BaseIcon"
     android:includeFontPadding="false"
-    launcher:iconDisplay="folder" />
+    android:paddingLeft="@dimen/folder_cell_x_padding"
+    android:paddingTop="@dimen/folder_cell_y_padding"
+    android:paddingRight="@dimen/folder_cell_x_padding"
+    android:paddingBottom="@dimen/folder_cell_y_padding"
+    launcher:centerVertically="true"
+    launcher:iconDisplay="folder"/>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 356de78..0eb3982 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -138,10 +138,11 @@
     <dimen name="folder_preview_padding">10dp</dimen>
     <dimen name="page_indicator_dot_size">8dp</dimen>
 
-    <dimen name="folder_cell_x_padding">9dp</dimen>
-    <dimen name="folder_cell_y_padding">6dp</dimen>
+    <dimen name="folder_cell_x_padding">8dp</dimen>
+    <dimen name="folder_cell_y_padding">8dp</dimen>
     <dimen name="folder_child_text_size">13sp</dimen>
-    <dimen name="folder_label_padding_top">4dp</dimen>
+    <dimen name="folder_child_icon_drawable_padding">8dp</dimen>
+    <dimen name="folder_label_padding_top">12dp</dimen>
     <dimen name="folder_label_padding_bottom">12dp</dimen>
     <dimen name="folder_label_text_size">14sp</dimen>
 
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 9929671..1197b1c 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -59,11 +59,11 @@
 
     <!-- All Apps -->
     <!-- Search bar text in the apps view. [CHAR_LIMIT=50] -->
-    <string name="all_apps_search_bar_hint">Search Apps</string>
+    <string name="all_apps_search_bar_hint">Search apps</string>
     <!-- Loading apps text. [CHAR_LIMIT=50] -->
-    <string name="all_apps_loading_message">Loading Apps&#8230;</string>
+    <string name="all_apps_loading_message">Loading apps&#8230;</string>
     <!-- No-search-results text. [CHAR_LIMIT=50] -->
-    <string name="all_apps_no_search_results">No Apps found matching \"<xliff:g id="query" example="Android">%1$s</xliff:g>\"</string>
+    <string name="all_apps_no_search_results">No apps found matching \"<xliff:g id="query" example="Android">%1$s</xliff:g>\"</string>
     <!-- Label for the button which allows the user to get app search results. [CHAR_LIMIT=50] -->
     <string name="all_apps_search_market_message">Search for more apps</string>
 
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 2d5f8d0..38011ea 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -108,6 +108,7 @@
     public int folderChildIconSizePx;
     public int folderChildTextSizePx;
     public int folderChildDrawablePaddingPx;
+    public final int folderChildDrawablePaddingOriginalPx;
 
     // Hotseat
     public int hotseatCellHeightPx;
@@ -220,6 +221,9 @@
         hotseatLandRightNavBarGutterPx = res.getDimensionPixelSize(
                 R.dimen.dynamic_grid_hotseat_land_right_nav_bar_gutter_width);
 
+        folderChildDrawablePaddingOriginalPx =
+                res.getDimensionPixelSize(R.dimen.folder_child_icon_drawable_padding);
+
         // Determine sizes.
         widthPx = width;
         heightPx = height;
@@ -390,15 +394,15 @@
         folderChildIconSizePx = (int) (Utilities.pxFromDp(inv.iconSize, dm) * scale);
         folderChildTextSizePx =
                 (int) (res.getDimensionPixelSize(R.dimen.folder_child_text_size) * scale);
+        folderChildDrawablePaddingPx = (int) (folderChildDrawablePaddingOriginalPx * scale);
 
         int textHeight = Utilities.calculateTextHeight(folderChildTextSizePx);
         int cellPaddingX = (int) (res.getDimensionPixelSize(R.dimen.folder_cell_x_padding) * scale);
         int cellPaddingY = (int) (res.getDimensionPixelSize(R.dimen.folder_cell_y_padding) * scale);
 
         folderCellWidthPx = folderChildIconSizePx + 2 * cellPaddingX;
-        folderCellHeightPx = folderChildIconSizePx + 2 * cellPaddingY + textHeight;
-        folderChildDrawablePaddingPx = Math.max(0,
-                (folderCellHeightPx - folderChildIconSizePx - textHeight) / 3);
+        folderCellHeightPx = folderChildIconSizePx + 2 * cellPaddingY + textHeight
+                + folderChildDrawablePaddingPx;
     }
 
     public void updateInsets(Rect insets) {
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index c2bddd5..7b7177e 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -274,6 +274,7 @@
     private boolean mHasFocus = false;
 
     private ObjectAnimator mScrimAnimator;
+    private boolean mShouldFadeInScrim;
 
     private PopupDataProvider mPopupDataProvider;
 
@@ -467,8 +468,12 @@
             mLauncherCallbacks.onCreate(savedInstanceState);
         }
 
-        // Listen for broadcasts screen off
-        registerReceiver(mReceiver, new IntentFilter(Intent.ACTION_SCREEN_OFF));
+        // Listen for broadcasts
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(Intent.ACTION_SCREEN_OFF);
+        filter.addAction(Intent.ACTION_USER_PRESENT); // When the device wakes up + keyguard is gone
+        registerReceiver(mReceiver, filter);
+        mShouldFadeInScrim = true;
 
         getSystemUiController().updateUiState(SystemUiController.UI_STATE_BASE_WINDOW,
                 Themes.getAttrBoolean(this, R.attr.isWorkspaceDarkText));
@@ -906,7 +911,7 @@
             NotificationListener.setNotificationsChangedListener(mPopupDataProvider);
         }
 
-        if (mIsResumeFromActionScreenOff && mDragLayer.getBackground() != null) {
+        if (mShouldFadeInScrim && mDragLayer.getBackground() != null) {
             if (mScrimAnimator != null) {
                 mScrimAnimator.cancel();
             }
@@ -923,6 +928,7 @@
             mScrimAnimator.setStartDelay(getWindow().getTransitionBackgroundFadeDuration());
             mScrimAnimator.start();
         }
+        mShouldFadeInScrim = false;
     }
 
     @Override
@@ -1534,6 +1540,11 @@
                     }
                 }
                 mIsResumeFromActionScreenOff = true;
+                mShouldFadeInScrim = true;
+            } else if (Intent.ACTION_USER_PRESENT.equals(action)) {
+                // ACTION_USER_PRESENT is sent after onStart/onResume. This covers the case where
+                // the user unlocked and the Launcher is not in the foreground.
+                mShouldFadeInScrim = false;
             }
         }
     };
diff --git a/src/com/android/launcher3/dragndrop/DragView.java b/src/com/android/launcher3/dragndrop/DragView.java
index 09cfc1e..c11287a 100644
--- a/src/com/android/launcher3/dragndrop/DragView.java
+++ b/src/com/android/launcher3/dragndrop/DragView.java
@@ -16,23 +16,18 @@
 
 package com.android.launcher3.dragndrop;
 
-import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
-
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.FloatArrayEvaluator;
 import android.animation.ValueAnimator;
 import android.animation.ValueAnimator.AnimatorUpdateListener;
-import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.pm.LauncherActivityInfo;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Color;
-import android.graphics.ColorFilter;
 import android.graphics.ColorMatrix;
 import android.graphics.ColorMatrixColorFilter;
-import android.graphics.Matrix;
 import android.graphics.Paint;
 import android.graphics.Path;
 import android.graphics.Point;
@@ -44,13 +39,11 @@
 import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.animation.DynamicAnimation;
+import android.support.animation.FloatPropertyCompat;
 import android.support.animation.SpringAnimation;
 import android.support.animation.SpringForce;
 import android.view.View;
 import android.view.animation.DecelerateInterpolator;
-import android.widget.FrameLayout;
-import android.widget.ImageView;
 
 import com.android.launcher3.FastBitmapDrawable;
 import com.android.launcher3.ItemInfo;
@@ -76,7 +69,10 @@
 import java.util.Arrays;
 import java.util.List;
 
-public class DragView extends FrameLayout {
+public class DragView extends View {
+    private static final ColorMatrix sTempMatrix1 = new ColorMatrix();
+    private static final ColorMatrix sTempMatrix2 = new ColorMatrix();
+
     public static final int COLOR_CHANGE_DURATION = 120;
     public static final int VIEW_ZOOM_DURATION = 150;
 
@@ -114,16 +110,11 @@
     private int mAnimatedShiftY;
 
     // Below variable only needed IF FeatureFlags.LAUNCHER3_SPRING_ICONS is {@code true}
-    private SpringAnimation mSpringX, mSpringY;
-    private ImageView mFgImageView, mBgImageView;
+    private Drawable mBgSpringDrawable, mFgSpringDrawable;
+    private SpringFloatValue mTranslateX, mTranslateY;
     private Path mScaledMaskPath;
     private Drawable mBadge;
-
-    // Following three values are fine tuned with motion ux designer
-    private final static int STIFFNESS = 4000;
-    private final static float DAMPENING_RATIO = 1f;
-    private final static int PARALLAX_MAX_IN_DP = 8;
-    private final int mDelta;
+    private ColorMatrixColorFilter mBaseFilter;
 
     /**
      * Construct the drag view.
@@ -193,8 +184,6 @@
 
         mBlurSizeOutline = getResources().getDimensionPixelSize(R.dimen.blur_size_medium_outline);
         setElevation(getResources().getDimension(R.dimen.drag_elevation));
-        setWillNotDraw(false);
-        mDelta = (int)(getResources().getDisplayMetrics().density * PARALLAX_MAX_IN_DP);
     }
 
     /**
@@ -221,46 +210,89 @@
                 if (dr instanceof AdaptiveIconDrawable) {
                     int w = mBitmap.getWidth();
                     int h = mBitmap.getHeight();
-                    AdaptiveIconDrawable adaptiveIcon = (AdaptiveIconDrawable) dr;
-                    float blurSizeOutline = mLauncher.getResources()
-                            .getDimension(R.dimen.blur_size_medium_outline);
-                    float normalizationScale = IconNormalizer.getInstance(mLauncher)
-                            .getScale(adaptiveIcon, null, null, null) * ((w - blurSizeOutline) / w);
-                    adaptiveIcon.setBounds(0, 0, w, h);
+                    int blurMargin = (int) mLauncher.getResources()
+                            .getDimension(R.dimen.blur_size_medium_outline) / 2;
 
-                    final Path mask = getMaskPath(adaptiveIcon, normalizationScale);
-                    mFgImageView = setupImageView(adaptiveIcon.getForeground(), normalizationScale);
-                    mBgImageView = setupImageView(adaptiveIcon.getBackground(), normalizationScale);
-                    mSpringX = setupSpringAnimation(-w/4, w/4, DynamicAnimation.TRANSLATION_X);
-                    mSpringY = setupSpringAnimation(-h/4, h/4, DynamicAnimation.TRANSLATION_Y);
+                    Rect bounds = new Rect(0, 0, w, h);
+                    bounds.inset(blurMargin, blurMargin);
+                    Utilities.scaleRectAboutCenter(bounds,
+                            IconNormalizer.getInstance(mLauncher).getScale(dr, null, null, null));
+                    AdaptiveIconDrawable adaptiveIcon = (AdaptiveIconDrawable) dr;
+
+                    // Shrink very tiny bit so that the clip path is smaller than the original bitmap
+                    // that has anti aliased edges and shadows.
+                    Rect shrunkBounds = new Rect(bounds);
+                    Utilities.scaleRectAboutCenter(shrunkBounds, 0.98f);
+                    adaptiveIcon.setBounds(shrunkBounds);
+                    final Path mask = adaptiveIcon.getIconMask();
+
+                    mTranslateX = new SpringFloatValue(DragView.this,
+                            w * AdaptiveIconDrawable.getExtraInsetFraction());
+                    mTranslateY = new SpringFloatValue(DragView.this,
+                            h * AdaptiveIconDrawable.getExtraInsetFraction());
 
                     mBadge = getBadge(info, appState, outObj[0]);
-                    int blurMargin = (int) blurSizeOutline / 2;
-                    mBadge.setBounds(blurMargin, blurMargin, w - blurMargin, h - blurMargin);
+                    mBadge.setBounds(bounds);
+
+                    bounds.inset(
+                            (int) (-bounds.width() * AdaptiveIconDrawable.getExtraInsetFraction()),
+                            (int) (-bounds.height() * AdaptiveIconDrawable.getExtraInsetFraction())
+                    );
+                    mBgSpringDrawable = adaptiveIcon.getBackground();
+                    mBgSpringDrawable.setBounds(bounds);
+                    mFgSpringDrawable = adaptiveIcon.getForeground();
+                    mFgSpringDrawable.setBounds(bounds);
 
                     new Handler(Looper.getMainLooper()).post(new Runnable() {
                         @Override
                         public void run() {
                             // Assign the variable on the UI thread to avoid race conditions.
                             mScaledMaskPath = mask;
-                            addView(mBgImageView);
-                            addView(mFgImageView);
-                            setWillNotDraw(true);
 
                             if (info.isDisabled()) {
                                 FastBitmapDrawable d = new FastBitmapDrawable(null);
                                 d.setIsDisabled(true);
-                                ColorFilter cf = d.getColorFilter();
-                                mBgImageView.setColorFilter(cf);
-                                mFgImageView.setColorFilter(cf);
-                                mBadge.setColorFilter(cf);
+                                mBaseFilter = (ColorMatrixColorFilter) d.getColorFilter();
                             }
+                            updateColorFilter();
                         }
                     });
                 }
             }});
     }
 
+    @TargetApi(Build.VERSION_CODES.O)
+    private void updateColorFilter() {
+        if (mCurrentFilter == null) {
+            mPaint.setColorFilter(null);
+
+            if (mScaledMaskPath != null) {
+                mBgSpringDrawable.setColorFilter(mBaseFilter);
+                mBgSpringDrawable.setColorFilter(mBaseFilter);
+                mBadge.setColorFilter(mBaseFilter);
+            }
+        } else {
+            ColorMatrixColorFilter currentFilter = new ColorMatrixColorFilter(mCurrentFilter);
+            mPaint.setColorFilter(currentFilter);
+
+            if (mScaledMaskPath != null) {
+                if (mBaseFilter != null) {
+                    mBaseFilter.getColorMatrix(sTempMatrix1);
+                    sTempMatrix2.set(mCurrentFilter);
+                    sTempMatrix1.postConcat(sTempMatrix2);
+
+                    currentFilter = new ColorMatrixColorFilter(sTempMatrix1);
+                }
+
+                mBgSpringDrawable.setColorFilter(currentFilter);
+                mFgSpringDrawable.setColorFilter(currentFilter);
+                mBadge.setColorFilter(currentFilter);
+            }
+        }
+
+        invalidate();
+    }
+
     /**
      * Returns the full drawable for {@param info}.
      * @param outObj this is set to the internal data associated with {@param info},
@@ -324,78 +356,9 @@
         }
     }
 
-    private ImageView setupImageView(Drawable drawable, float normalizationScale) {
-        FrameLayout.LayoutParams params = new LayoutParams(MATCH_PARENT, MATCH_PARENT);
-        ImageView imageViewOut = new ImageView(getContext());
-        imageViewOut.setLayoutParams(params);
-        imageViewOut.setScaleType(ImageView.ScaleType.FIT_XY);
-        imageViewOut.setScaleX(normalizationScale);
-        imageViewOut.setScaleY(normalizationScale);
-        imageViewOut.setImageDrawable(drawable);
-        return imageViewOut;
-    }
-
-    private SpringAnimation setupSpringAnimation(int minValue, int maxValue,
-            DynamicAnimation.ViewProperty property) {
-        SpringAnimation s = new SpringAnimation(mFgImageView, property, 0);
-        s.setMinValue(minValue).setMaxValue(maxValue);
-        s.setSpring(new SpringForce(0)
-                        .setDampingRatio(DAMPENING_RATIO)
-                        .setStiffness(STIFFNESS));
-        return s;
-    }
-
-    @TargetApi(Build.VERSION_CODES.O)
-    private Path getMaskPath(AdaptiveIconDrawable dr, float normalizationScale) {
-        Matrix m = new Matrix();
-        // Shrink very tiny bit so that the clip path is smaller than the original bitmap
-        // that has anti aliased edges and shadows.
-        float s = normalizationScale * .97f;
-        m.setScale(s, s, dr.getBounds().centerX(), dr.getBounds().centerY());
-        Path p = new Path();
-        dr.getIconMask().transform(m, p);
-        return p;
-    }
-
-    private void applySpring(int x, int y) {
-        if (mSpringX == null || mSpringY == null) {
-            return;
-        }
-        mSpringX.animateToFinalPosition(Utilities.boundToRange(x, -mDelta, mDelta));
-        mSpringY.animateToFinalPosition(Utilities.boundToRange(y, -mDelta, mDelta));
-    }
-
-    @Override
-    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
-        int w = right - left;
-        int h = bottom - top;
-        for (int i = 0; i < getChildCount(); i++) {
-            getChildAt(i).layout(-w / 4, -h / 4, w + w / 4, h + h / 4);
-        }
-    }
-
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        int w = mBitmap.getWidth();
-        int h = mBitmap.getHeight();
-        setMeasuredDimension(w, h);
-        for (int i = 0; i < getChildCount(); i++) {
-            getChildAt(i).measure(w, h);
-        }
-    }
-
-    @Override
-    protected void dispatchDraw(Canvas canvas) {
-        if (mScaledMaskPath != null) {
-            int cnt = canvas.save();
-            canvas.drawBitmap(mBitmap, 0.0f, 0.0f, mPaint);
-            canvas.clipPath(mScaledMaskPath);
-            super.dispatchDraw(canvas);
-            canvas.restoreToCount(cnt);
-            mBadge.draw(canvas);
-        } else {
-            super.dispatchDraw(canvas);
-        }
+        setMeasuredDimension(mBitmap.getWidth(), mBitmap.getHeight());
     }
 
     /** Sets the scale of the view over the normal workspace icon size. */
@@ -439,29 +402,10 @@
         return mDragRegion;
     }
 
-    // Draws drag shadow for system DND.
-    @SuppressLint("WrongCall")
-    public void drawDragShadow(Canvas canvas) {
-        final int saveCount = canvas.save(Canvas.MATRIX_SAVE_FLAG);
-        canvas.scale(getScaleX(), getScaleY());
-        onDraw(canvas);
-        canvas.restoreToCount(saveCount);
-    }
-
-    // Provides drag shadow metrics for system DND.
-    public void provideDragShadowMetrics(Point size, Point touch) {
-        size.set((int)(mBitmap.getWidth() * getScaleX()), (int)(mBitmap.getHeight() * getScaleY()));
-
-        final float xGrowth = mBitmap.getWidth() * (getScaleX() - 1);
-        final float yGrowth = mBitmap.getHeight() * (getScaleY() - 1);
-        touch.set(
-                mRegistrationX + (int)Math.round(xGrowth / 2),
-                mRegistrationY + (int)Math.round(yGrowth / 2));
-    }
-
     @Override
     protected void onDraw(Canvas canvas) {
         mHasDrawn = true;
+        // Always draw the bitmap to mask anti aliasing due to clipPath
         boolean crossFade = mCrossFadeProgress > 0 && mCrossFadeBitmap != null;
         if (crossFade) {
             int alpha = crossFade ? (int) (255 * (1 - mCrossFadeProgress)) : 255;
@@ -477,6 +421,16 @@
             canvas.drawBitmap(mCrossFadeBitmap, 0.0f, 0.0f, mPaint);
             canvas.restoreToCount(saveCount);
         }
+
+        if (mScaledMaskPath != null) {
+            int cnt = canvas.save();
+            canvas.clipPath(mScaledMaskPath);
+            mBgSpringDrawable.draw(canvas);
+            canvas.translate(mTranslateX.mValue, mTranslateY.mValue);
+            mFgSpringDrawable.draw(canvas);
+            canvas.restoreToCount(cnt);
+            mBadge.draw(canvas);
+        }
     }
 
     public void setCrossFadeBitmap(Bitmap crossFadeBitmap) {
@@ -512,8 +466,7 @@
             animateFilterTo(m1.getArray());
         } else {
             if (mCurrentFilter == null) {
-                mPaint.setColorFilter(null);
-                invalidate();
+                updateColorFilter();
             } else {
                 animateFilterTo(new ColorMatrix().getArray());
             }
@@ -534,8 +487,7 @@
 
             @Override
             public void onAnimationUpdate(ValueAnimator animation) {
-                mPaint.setColorFilter(new ColorMatrixColorFilter(mCurrentFilter));
-                invalidate();
+                updateColorFilter();
             }
         });
         mFilterAnimator.start();
@@ -590,8 +542,10 @@
      * @param touchY the y coordinate the user touched in DragLayer coordinates
      */
     public void move(int touchX, int touchY) {
-        if (touchX > 0 && touchY > 0 && mLastTouchX > 0 && mLastTouchY > 0) {
-            applySpring(mLastTouchX - touchX, mLastTouchY - touchY);
+        if (touchX > 0 && touchY > 0 && mLastTouchX > 0 && mLastTouchY > 0
+                && mScaledMaskPath != null) {
+            mTranslateX.animateToPos(mLastTouchX - touchX);
+            mTranslateY.animateToPos(mLastTouchY - touchY);
         }
         mLastTouchX = touchX;
         mLastTouchY = touchY;
@@ -642,6 +596,48 @@
         return mInitialScale;
     }
 
+    private static class SpringFloatValue {
+
+        private static final FloatPropertyCompat<SpringFloatValue> VALUE =
+                new FloatPropertyCompat<SpringFloatValue>("value") {
+                    @Override
+                    public float getValue(SpringFloatValue object) {
+                        return object.mValue;
+                    }
+
+                    @Override
+                    public void setValue(SpringFloatValue object, float value) {
+                        object.mValue = value;
+                        object.mView.invalidate();
+                    }
+                };
+
+        // Following three values are fine tuned with motion ux designer
+        private final static int STIFFNESS = 4000;
+        private final static float DAMPENING_RATIO = 1f;
+        private final static int PARALLAX_MAX_IN_DP = 8;
+
+        private final View mView;
+        private final SpringAnimation mSpring;
+        private final float mDelta;
+
+        private float mValue;
+
+        public SpringFloatValue(View view, float range) {
+            mView = view;
+            mSpring = new SpringAnimation(this, VALUE, 0)
+                    .setMinValue(-range).setMaxValue(range)
+                    .setSpring(new SpringForce(0)
+                            .setDampingRatio(DAMPENING_RATIO)
+                            .setStiffness(STIFFNESS));
+            mDelta = view.getResources().getDisplayMetrics().density * PARALLAX_MAX_IN_DP;
+        }
+
+        public void animateToPos(float value) {
+            mSpring.animateToFinalPosition(Utilities.boundToRange(value, -mDelta, mDelta));
+        }
+    }
+
     private static class FixedSizeEmptyDrawable extends ColorDrawable {
 
         private final int mSize;
diff --git a/src/com/android/launcher3/folder/FolderAnimationManager.java b/src/com/android/launcher3/folder/FolderAnimationManager.java
index 69705d5..d7f5c2b 100644
--- a/src/com/android/launcher3/folder/FolderAnimationManager.java
+++ b/src/com/android/launcher3/folder/FolderAnimationManager.java
@@ -120,6 +120,7 @@
         final DragLayer.LayoutParams lp = (DragLayer.LayoutParams) mFolder.getLayoutParams();
         FolderIcon.PreviewLayoutRule rule = mFolderIcon.getLayoutRule();
         final List<BubbleTextView> itemsInPreview = mFolderIcon.getPreviewItems();
+        BubbleTextView btv = itemsInPreview.get(0);
 
         // Match position of the FolderIcon
         final Rect folderIconPos = new Rect();
@@ -131,7 +132,7 @@
         // Match size/scale of icons in the preview
         float previewScale = rule.scaleForItem(0, itemsInPreview.size());
         float previewSize = rule.getIconSize() * previewScale;
-        float initialScale = previewSize / itemsInPreview.get(0).getIconSize()
+        float initialScale = previewSize / btv.getIconSize()
                 * scaleRelativeToDragLayer;
         final float finalScale = 1f;
         float scale = mIsOpening ? initialScale : finalScale;
@@ -148,10 +149,12 @@
             previewItemOffsetX = (int) (lp.width * initialScale - initialSize - previewItemOffsetX);
         }
 
+        // Note that we do not include btv.getPaddingLeft() in the calculation, since it is
+        // handled in addPreviewItemAnimators as part of iconOffsetX.
         final int paddingOffsetX = (int) ((mFolder.getPaddingLeft() + mContent.getPaddingLeft())
                 * initialScale);
-        final int paddingOffsetY = (int) ((mFolder.getPaddingTop() + mContent.getPaddingTop())
-                * initialScale);
+        final int paddingOffsetY = (int) ((mFolder.getPaddingTop() + mContent.getPaddingTop()
+                + btv.getPaddingTop()) * initialScale);
 
         int initialX = folderIconPos.left + mPreviewBackground.getOffsetX() - paddingOffsetX
                 - previewItemOffsetX;
diff --git a/src/com/android/launcher3/logging/LoggerUtils.java b/src/com/android/launcher3/logging/LoggerUtils.java
index 72a083b..ebb69c4 100644
--- a/src/com/android/launcher3/logging/LoggerUtils.java
+++ b/src/com/android/launcher3/logging/LoggerUtils.java
@@ -25,6 +25,7 @@
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.UninstallDropTarget;
+import com.android.launcher3.userevent.nano.LauncherLogExtensions.TargetExtension;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ControlType;
@@ -159,6 +160,13 @@
         return t;
     }
 
+    public static Target newTarget(int targetType, TargetExtension extension) {
+        Target t = new Target();
+        t.type = targetType;
+        t.extension = extension;
+        return t;
+    }
+
     public static Target newTarget(int targetType) {
         Target t = new Target();
         t.type = targetType;