From 4ed0fb5074599c3b48770518e2da79c11e7f8d1d Mon Sep 17 00:00:00 2001
From: Sunny Goyal <sunnygoyal@google.com>
Date: Mon, 26 Apr 2021 09:52:47 -0700
Subject: [PATCH] Removing dependency on wallpaper colors and using theme
 resources

Bug: 184676715
Test: Manual
Change-Id: Ie9a9a784c4a8a8cd484bfd8ea463deedcd4deed6
---
 AndroidManifest-common.xml                    |   6 -
 quickstep/AndroidManifest.xml                 |   3 -
 .../uioverrides/WallpaperColorInfo.java       | 117 ---
 .../quickstep/fallback/RecentsDragLayer.java  |  11 -
 .../util/StaggeredWorkspaceAnim.java          |   2 +-
 res/values-v31/colors.xml                     |   3 +
 res/values/attrs.xml                          |   1 -
 res/values/colors.xml                         |   2 +
 res/values/config.xml                         |   3 -
 res/values/styles.xml                         |   4 -
 .../launcher3/BaseDraggingActivity.java       |  20 +-
 .../android/launcher3/LauncherRootView.java   |  17 +-
 src/com/android/launcher3/Workspace.java      |   3 -
 .../WorkspaceStateTransitionAnimation.java    |   2 +-
 .../launcher3/dragndrop/DragLayer.java        |  26 -
 src/com/android/launcher3/graphics/Scrim.java |  44 +-
 .../launcher3/graphics/SysUiScrim.java        |  51 +-
 .../WorkspacePageIndicator.java               |   4 +-
 .../launcher3/states/SpringLoadedState.java   |   2 +-
 .../AbstractStateChangeTouchController.java   |   2 +-
 src/com/android/launcher3/util/Themes.java    |  41 +-
 .../launcher3/views/BaseDragLayer.java        |  56 --
 .../launcher3/widget/BaseWidgetSheet.java     |   4 +-
 .../uioverrides/WallpaperColorInfo.java       | 128 ---
 .../dynamicui/ColorExtractionAlgorithm.java   | 795 ------------------
 .../dynamicui/WallpaperColorsCompat.java      |  55 --
 .../dynamicui/WallpaperManagerCompat.java     |  61 --
 .../dynamicui/WallpaperManagerCompatVL.java   | 271 ------
 .../WallpaperManagerCompatVOMR1.java          |  85 --
 29 files changed, 82 insertions(+), 1737 deletions(-)
 delete mode 100644 quickstep/src/com/android/launcher3/uioverrides/WallpaperColorInfo.java
 delete mode 100644 src_ui_overrides/com/android/launcher3/uioverrides/WallpaperColorInfo.java
 delete mode 100644 src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/ColorExtractionAlgorithm.java
 delete mode 100644 src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperColorsCompat.java
 delete mode 100644 src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompat.java
 delete mode 100644 src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVL.java
 delete mode 100644 src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVOMR1.java

diff --git a/AndroidManifest-common.xml b/AndroidManifest-common.xml
index 4e72260e9c..87a08afc24 100644
--- a/AndroidManifest-common.xml
+++ b/AndroidManifest-common.xml
@@ -93,12 +93,6 @@
             </intent-filter>
         </receiver>
 
-        <service
-            android:name="com.android.launcher3.uioverrides.dynamicui.WallpaperManagerCompatVL$ColorExtractionService"
-            android:exported="false"
-            android:process=":wallpaper_chooser"
-            android:permission="android.permission.BIND_JOB_SERVICE" />
-
         <service
             android:name="com.android.launcher3.notification.NotificationListener"
             android:label="@string/notification_dots_service_title"
diff --git a/quickstep/AndroidManifest.xml b/quickstep/AndroidManifest.xml
index 5e5cf73148..842abc399f 100644
--- a/quickstep/AndroidManifest.xml
+++ b/quickstep/AndroidManifest.xml
@@ -97,9 +97,6 @@
                  android:resource="@xml/overview_file_provider_paths"/>
         </provider>
 
-        <service android:name="com.android.launcher3.uioverrides.dynamicui.WallpaperManagerCompatVL$ColorExtractionService"
-             tools:node="remove"/>
-
         <activity android:name="com.android.launcher3.proxy.ProxyActivityStarter"
              android:theme="@android:style/Theme.Translucent.NoTitleBar.Fullscreen"
              android:launchMode="singleTask"
diff --git a/quickstep/src/com/android/launcher3/uioverrides/WallpaperColorInfo.java b/quickstep/src/com/android/launcher3/uioverrides/WallpaperColorInfo.java
deleted file mode 100644
index 1417995057..0000000000
--- a/quickstep/src/com/android/launcher3/uioverrides/WallpaperColorInfo.java
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- * Copyright (C) 2018 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.uioverrides;
-
-import static android.app.WallpaperManager.FLAG_SYSTEM;
-
-import android.annotation.TargetApi;
-import android.app.WallpaperColors;
-import android.app.WallpaperManager;
-import android.app.WallpaperManager.OnColorsChangedListener;
-import android.content.Context;
-import android.os.Build;
-import android.os.Handler;
-import android.os.Looper;
-
-import com.android.launcher3.util.MainThreadInitializedObject;
-import com.android.systemui.shared.system.TonalCompat;
-import com.android.systemui.shared.system.TonalCompat.ExtractionInfo;
-
-import java.util.ArrayList;
-
-@TargetApi(Build.VERSION_CODES.P)
-public class WallpaperColorInfo implements OnColorsChangedListener {
-
-    private static final int MAIN_COLOR_LIGHT = 0xffdadce0;
-    private static final int MAIN_COLOR_DARK = 0xff202124;
-    private static final int MAIN_COLOR_REGULAR = 0xff000000;
-
-    public static final MainThreadInitializedObject<WallpaperColorInfo> INSTANCE =
-            new MainThreadInitializedObject<>(WallpaperColorInfo::new);
-
-    private final ArrayList<OnChangeListener> mListeners = new ArrayList<>();
-    private final WallpaperManager mWallpaperManager;
-    private final TonalCompat mTonalCompat;
-
-    private ExtractionInfo mExtractionInfo;
-
-    private OnChangeListener[] mTempListeners = new OnChangeListener[0];
-
-    private WallpaperColorInfo(Context context) {
-        mWallpaperManager = context.getSystemService(WallpaperManager.class);
-        mTonalCompat = new TonalCompat(context);
-
-        mWallpaperManager.addOnColorsChangedListener(this, new Handler(Looper.getMainLooper()));
-        update(mWallpaperManager.getWallpaperColors(FLAG_SYSTEM));
-    }
-
-    public int getMainColor() {
-        return mExtractionInfo.mainColor;
-    }
-
-    public int getSecondaryColor() {
-        return mExtractionInfo.secondaryColor;
-    }
-
-    public boolean isDark() {
-        return mExtractionInfo.supportsDarkTheme;
-    }
-
-    public boolean supportsDarkText() {
-        return mExtractionInfo.supportsDarkText;
-    }
-
-    public boolean isMainColorDark() {
-        return mExtractionInfo.mainColor == MAIN_COLOR_DARK;
-    }
-
-    @Override
-    public void onColorsChanged(WallpaperColors colors, int which) {
-        if ((which & FLAG_SYSTEM) != 0) {
-            update(colors);
-            notifyChange();
-        }
-    }
-
-    private void update(WallpaperColors wallpaperColors) {
-        mExtractionInfo = mTonalCompat.extractDarkColors(wallpaperColors);
-    }
-
-    public void addOnChangeListener(OnChangeListener listener) {
-        mListeners.add(listener);
-    }
-
-    public void removeOnChangeListener(OnChangeListener listener) {
-        mListeners.remove(listener);
-    }
-
-    private void notifyChange() {
-        // Create a new array to avoid concurrent modification when the activity destroys itself.
-        mTempListeners = mListeners.toArray(mTempListeners);
-        for (int i = mTempListeners.length - 1; i >= 0; --i) {
-            final OnChangeListener listener = mTempListeners[i];
-            if (listener != null) {
-                listener.onExtractedColorsChanged(this);
-                mTempListeners[i] = null;
-            }
-        }
-    }
-
-    public interface OnChangeListener {
-        void onExtractedColorsChanged(WallpaperColorInfo wallpaperColorInfo);
-    }
-}
diff --git a/quickstep/src/com/android/quickstep/fallback/RecentsDragLayer.java b/quickstep/src/com/android/quickstep/fallback/RecentsDragLayer.java
index a00015a233..29c3dc81da 100644
--- a/quickstep/src/com/android/quickstep/fallback/RecentsDragLayer.java
+++ b/quickstep/src/com/android/quickstep/fallback/RecentsDragLayer.java
@@ -16,11 +16,8 @@
 package com.android.quickstep.fallback;
 
 import android.content.Context;
-import android.graphics.Rect;
 import android.util.AttributeSet;
 
-import com.android.launcher3.R;
-import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.TouchController;
 import com.android.launcher3.views.BaseDragLayer;
 import com.android.quickstep.RecentsActivity;
@@ -41,12 +38,4 @@ public class RecentsDragLayer extends BaseDragLayer<RecentsActivity> {
                 new FallbackNavBarTouchController(mActivity),
         };
     }
-
-    @Override
-    public void setInsets(Rect insets) {
-        super.setInsets(insets);
-        setBackground(insets.top == 0  || !mAllowSysuiScrims
-                ? null
-                : Themes.getAttrDrawable(getContext(), R.attr.workspaceStatusBarScrim));
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java b/quickstep/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java
index de6c4f5e1c..ab951385b3 100644
--- a/quickstep/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java
+++ b/quickstep/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java
@@ -140,7 +140,7 @@ public class StaggeredWorkspaceAnim {
 
         addDepthAnimationForState(launcher, NORMAL, DURATION_MS);
 
-        mAnimators.play(launcher.getDragLayer().getSysUiScrim().createSysuiMultiplierAnim(0f, 1f)
+        mAnimators.play(launcher.getRootView().getSysUiScrim().createSysuiMultiplierAnim(0f, 1f)
                 .setDuration(DURATION_MS));
         mAnimators.addListener(new AnimatorListenerAdapter() {
             @Override
diff --git a/res/values-v31/colors.xml b/res/values-v31/colors.xml
index 87afd6bc52..7f27bf8ca5 100644
--- a/res/values-v31/colors.xml
+++ b/res/values-v31/colors.xml
@@ -32,4 +32,7 @@
     <color name="text_color_primary_dark">@android:color/system_neutral1_50</color>
     <color name="text_color_secondary_dark">@android:color/system_neutral2_200</color>
     <color name="text_color_tertiary_dark">@android:color/system_neutral2_400</color>
+
+    <color name="wallpaper_popup_scrim">@android:color/system_neutral1_900</color>
+
 </resources>
\ No newline at end of file
diff --git a/res/values/attrs.xml b/res/values/attrs.xml
index 7fe53d5ae7..09dd95cd92 100644
--- a/res/values/attrs.xml
+++ b/res/values/attrs.xml
@@ -19,7 +19,6 @@
 
     <!-- Attributes used for launcher theme -->
     <attr name="allAppsScrimColor" format="color" />
-    <attr name="allAppsInterimScrimAlpha" format="integer" />
     <attr name="allAppsNavBarScrimColor" format="color" />
     <attr name="allAppsTheme" format="reference" />
     <attr name="popupColorNeutral" format="color" />
diff --git a/res/values/colors.xml b/res/values/colors.xml
index 8a2cada827..83d2deb0b1 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -57,4 +57,6 @@
     <color name="text_color_secondary_dark">#FFFFFFFF</color>
     <color name="text_color_tertiary_dark">#CCFFFFFF</color>
 
+    <color name="wallpaper_popup_scrim">?android:attr/colorAccent</color>
+
 </resources>
diff --git a/res/values/config.xml b/res/values/config.xml
index b75af7f9e4..f8a517d1d0 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -216,9 +216,6 @@
         <item>@dimen/c2_d</item>
     </array>
 
-    <string-array name="live_wallpapers_remove_sysui_scrims">
-    </string-array>
-
     <string-array name="filtered_components" ></string-array>
 
     <!-- Name of the class used to generate colors from the wallpaper colors. Must be implementing the LauncherAppWidgetHostView.ColorGenerator interface. -->
diff --git a/res/values/styles.xml b/res/values/styles.xml
index bae1485a93..5b379668b5 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -32,7 +32,6 @@
     <style name="LauncherTheme" parent="@style/BaseLauncherTheme">
         <item name="android:textColorSecondary">#DE000000</item>
         <item name="allAppsScrimColor">?android:attr/colorBackgroundFloating</item>
-        <item name="allAppsInterimScrimAlpha">46</item>
         <item name="allAppsNavBarScrimColor">#66FFFFFF</item>
         <item name="allAppsTheme">@style/AllAppsTheme</item>
         <item name="popupColorNeutral">@color/popup_color_neutral_light</item>
@@ -77,7 +76,6 @@
 
     <style name="LauncherTheme.DarkText" parent="@style/LauncherTheme">
         <item name="workspaceTextColor">@color/workspace_text_color_dark</item>
-        <item name="allAppsInterimScrimAlpha">128</item>
         <item name="workspaceShadowColor">@android:color/transparent</item>
         <item name="workspaceAmbientShadowColor">@android:color/transparent</item>
         <item name="workspaceKeyShadowColor">@android:color/transparent</item>
@@ -97,7 +95,6 @@
         <item name="android:colorControlHighlight">#A0FFFFFF</item>
         <item name="android:colorPrimary">#FF212121</item>
         <item name="allAppsScrimColor">?android:attr/colorBackgroundFloating</item>
-        <item name="allAppsInterimScrimAlpha">102</item>
         <item name="allAppsNavBarScrimColor">#80000000</item>
         <item name="allAppsTheme">@style/AllAppsTheme.Dark</item>
         <item name="popupColorNeutral">@color/popup_color_neutral_dark</item>
@@ -125,7 +122,6 @@
 
     <style name="LauncherTheme.Dark.DarkText" parent="@style/LauncherTheme.Dark">
         <item name="android:colorControlHighlight">#75212121</item>
-        <item name="allAppsInterimScrimAlpha">25</item>
         <item name="folderFillColor">#CDFFFFFF</item>
         <item name="folderTextColor">?attr/workspaceTextColor</item>
         <item name="workspaceTextColor">@color/workspace_text_color_dark</item>
diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
index 4c5f9f247f..2c76e52c61 100644
--- a/src/com/android/launcher3/BaseDraggingActivity.java
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -18,8 +18,12 @@ package com.android.launcher3;
 
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_LAUNCH_TAP;
 import static com.android.launcher3.util.DisplayController.CHANGE_ROTATION;
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 
 import android.app.ActivityOptions;
+import android.app.WallpaperColors;
+import android.app.WallpaperManager;
+import android.app.WallpaperManager.OnColorsChangedListener;
 import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
@@ -54,7 +58,6 @@ import com.android.launcher3.logging.InstanceIdSequence;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.touch.ItemClickHandler;
-import com.android.launcher3.uioverrides.WallpaperColorInfo;
 import com.android.launcher3.util.ActivityOptionsWrapper;
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.DisplayController.DisplayInfoChangeListener;
@@ -68,8 +71,9 @@ import com.android.launcher3.util.WindowBounds;
 /**
  * Extension of BaseActivity allowing support for drag-n-drop
  */
+@SuppressWarnings("NewApi")
 public abstract class BaseDraggingActivity extends BaseActivity
-        implements WallpaperColorInfo.OnChangeListener, DisplayInfoChangeListener {
+        implements OnColorsChangedListener, DisplayInfoChangeListener {
 
     private static final String TAG = "BaseDraggingActivity";
 
@@ -89,13 +93,15 @@ public abstract class BaseDraggingActivity extends BaseActivity
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-
         mIsSafeModeEnabled = TraceHelper.allowIpcs("isSafeMode",
                 () -> getPackageManager().isSafeMode());
         DisplayController.INSTANCE.get(this).addChangeListener(this);
 
         // Update theme
-        WallpaperColorInfo.INSTANCE.get(this).addOnChangeListener(this);
+        if (Utilities.ATLEAST_P) {
+            getSystemService(WallpaperManager.class)
+                    .addOnColorsChangedListener(this, MAIN_EXECUTOR.getHandler());
+        }
         int themeRes = Themes.getActivityThemeRes(this);
         if (themeRes != mThemeRes) {
             mThemeRes = themeRes;
@@ -114,7 +120,7 @@ public abstract class BaseDraggingActivity extends BaseActivity
     }
 
     @Override
-    public void onExtractedColorsChanged(WallpaperColorInfo wallpaperColorInfo) {
+    public void onColorsChanged(WallpaperColors wallpaperColors, int which) {
         updateTheme();
     }
 
@@ -278,7 +284,9 @@ public abstract class BaseDraggingActivity extends BaseActivity
     @Override
     protected void onDestroy() {
         super.onDestroy();
-        WallpaperColorInfo.INSTANCE.get(this).removeOnChangeListener(this);
+        if (Utilities.ATLEAST_P) {
+            getSystemService(WallpaperManager.class).removeOnColorsChangedListener(this);
+        }
         DisplayController.INSTANCE.get(this).removeChangeListener(this);
     }
 
diff --git a/src/com/android/launcher3/LauncherRootView.java b/src/com/android/launcher3/LauncherRootView.java
index 83ddf641b7..f26cfe872e 100644
--- a/src/com/android/launcher3/LauncherRootView.java
+++ b/src/com/android/launcher3/LauncherRootView.java
@@ -33,11 +33,12 @@ public class LauncherRootView extends InsettableFrameLayout {
     @ViewDebug.ExportedProperty(category = "launcher")
     private boolean mForceHideBackArrow;
 
-    private SysUiScrim mSysUiScrim;
+    private final SysUiScrim mSysUiScrim;
 
     public LauncherRootView(Context context, AttributeSet attrs) {
         super(context, attrs);
         mActivity = StatefulActivity.fromContext(context);
+        mSysUiScrim = new SysUiScrim(this);
     }
 
     private void handleSystemWindowInsets(Rect insets) {
@@ -72,6 +73,7 @@ public class LauncherRootView extends InsettableFrameLayout {
         // modifying child layout params.
         if (!insets.equals(mInsets)) {
             super.setInsets(insets);
+            mSysUiScrim.onInsetsChanged(insets);
         }
     }
 
@@ -100,15 +102,9 @@ public class LauncherRootView extends InsettableFrameLayout {
         }
     }
 
-    public void setSysUiScrim(SysUiScrim scrim) {
-        mSysUiScrim = scrim;
-    }
-
     @Override
     protected void dispatchDraw(Canvas canvas) {
-        if (mSysUiScrim != null) {
-            mSysUiScrim.draw(canvas);
-        }
+        mSysUiScrim.draw(canvas);
         super.dispatchDraw(canvas);
     }
 
@@ -117,6 +113,7 @@ public class LauncherRootView extends InsettableFrameLayout {
         super.onLayout(changed, l, t, r, b);
         SYSTEM_GESTURE_EXCLUSION_RECT.get(0).set(l, t, r, b);
         setDisallowBackGesture(mDisallowBackGesture);
+        mSysUiScrim.setSize(r - l, b - t);
     }
 
     @TargetApi(Build.VERSION_CODES.Q)
@@ -136,6 +133,10 @@ public class LauncherRootView extends InsettableFrameLayout {
                 : Collections.emptyList());
     }
 
+    public SysUiScrim getSysUiScrim() {
+        return mSysUiScrim;
+    }
+
     public interface WindowStateListener {
 
         void onWindowFocusChanged(boolean hasFocus);
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 0c3a356d87..05d6e045a6 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -2066,9 +2066,6 @@ public class Workspace extends PagedView<WorkspacePageIndicator>
         if (mDragOverlappingLayout != null) {
             mDragOverlappingLayout.setIsDragOverlapping(true);
         }
-        // Invalidating the scrim will also force this CellLayout
-        // to be invalidated so that it is highlighted if necessary.
-        mLauncher.getDragLayer().getWorkspaceDragScrim().invalidate();
     }
 
     public CellLayout getCurrentDragOverlappingLayout() {
diff --git a/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java b/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
index ed854dcd0e..6fa81426c1 100644
--- a/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
+++ b/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
@@ -162,7 +162,7 @@ public class WorkspaceStateTransitionAnimation {
         propertySetter.setFloat(workspaceDragScrim, SCRIM_PROGRESS,
                 state.getWorkspaceBackgroundAlpha(mLauncher), LINEAR);
 
-        SysUiScrim sysUiScrim = mLauncher.getDragLayer().getSysUiScrim();
+        SysUiScrim sysUiScrim = mLauncher.getRootView().getSysUiScrim();
         propertySetter.setFloat(sysUiScrim, SYSUI_PROGRESS,
                 state.hasFlag(FLAG_HAS_SYS_UI_SCRIM) ? 1 : 0, LINEAR);
 
diff --git a/src/com/android/launcher3/dragndrop/DragLayer.java b/src/com/android/launcher3/dragndrop/DragLayer.java
index 274e033555..c2f609c6a7 100644
--- a/src/com/android/launcher3/dragndrop/DragLayer.java
+++ b/src/com/android/launcher3/dragndrop/DragLayer.java
@@ -41,13 +41,11 @@ import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.DropTargetBar;
 import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherRootView;
 import com.android.launcher3.R;
 import com.android.launcher3.ShortcutAndWidgetContainer;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.graphics.Scrim;
-import com.android.launcher3.graphics.SysUiScrim;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.views.BaseDragLayer;
@@ -84,8 +82,6 @@ public class DragLayer extends BaseDragLayer<Launcher> {
     // Related to adjacent page hints
     private final ViewGroupFocusHelper mFocusIndicatorHelper;
     private Scrim mWorkspaceDragScrim;
-    private SysUiScrim mSysUiScrim;
-    private LauncherRootView mRootView;
 
     /**
      * Used to create a new DragLayer from XML.
@@ -107,12 +103,6 @@ public class DragLayer extends BaseDragLayer<Launcher> {
         mDragController = dragController;
         recreateControllers();
         mWorkspaceDragScrim = new Scrim(this);
-
-        // We delegate drawing of the workspace scrim to LauncherRootView (one level up), so as
-        // to avoid artifacts when translating the entire drag layer in the -1 transition.
-        mRootView = (LauncherRootView) getParent();
-        mSysUiScrim = new SysUiScrim(mRootView);
-        mRootView.setSysUiScrim(mSysUiScrim);
     }
 
     @Override
@@ -526,23 +516,7 @@ public class DragLayer extends BaseDragLayer<Launcher> {
         super.dispatchDraw(canvas);
     }
 
-    @Override
-    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
-        super.onSizeChanged(w, h, oldw, oldh);
-        mSysUiScrim.setSize(w, h);
-    }
-
-    @Override
-    public void setInsets(Rect insets) {
-        super.setInsets(insets);
-        mSysUiScrim.onInsetsChanged(insets, mAllowSysuiScrims);
-    }
-
     public Scrim getWorkspaceDragScrim() {
         return mWorkspaceDragScrim;
     }
-
-    public SysUiScrim getSysUiScrim() {
-        return mSysUiScrim;
-    }
 }
diff --git a/src/com/android/launcher3/graphics/Scrim.java b/src/com/android/launcher3/graphics/Scrim.java
index a151cba47d..a77e0587c0 100644
--- a/src/com/android/launcher3/graphics/Scrim.java
+++ b/src/com/android/launcher3/graphics/Scrim.java
@@ -22,14 +22,12 @@ import android.graphics.Canvas;
 import android.util.FloatProperty;
 import android.view.View;
 
-import com.android.launcher3.Launcher;
-import com.android.launcher3.uioverrides.WallpaperColorInfo;
+import com.android.launcher3.R;
 
 /**
  * Contains general scrim properties such as wallpaper-extracted color that subclasses can use.
  */
-public class Scrim implements View.OnAttachStateChangeListener,
-        WallpaperColorInfo.OnChangeListener {
+public class Scrim {
 
     public static final FloatProperty<Scrim> SCRIM_PROGRESS =
             new FloatProperty<Scrim>("scrimProgress") {
@@ -44,8 +42,6 @@ public class Scrim implements View.OnAttachStateChangeListener,
                 }
             };
 
-    protected final Launcher mLauncher;
-    protected final WallpaperColorInfo mWallpaperColorInfo;
     protected final View mRoot;
 
     protected float mScrimProgress;
@@ -54,48 +50,18 @@ public class Scrim implements View.OnAttachStateChangeListener,
 
     public Scrim(View view) {
         mRoot = view;
-        mLauncher = Launcher.getLauncher(view.getContext());
-        mWallpaperColorInfo = WallpaperColorInfo.INSTANCE.get(mLauncher);
-
-        view.addOnAttachStateChangeListener(this);
+        mScrimColor = mRoot.getContext().getColor(R.color.wallpaper_popup_scrim);
     }
 
     public void draw(Canvas canvas) {
-        canvas.drawColor(setColorAlphaBound(mScrimColor, getScrimAlpha()));
-    }
-
-    protected int getScrimAlpha() {
-        return mScrimAlpha;
+        canvas.drawColor(setColorAlphaBound(mScrimColor, mScrimAlpha));
     }
 
     private void setScrimProgress(float progress) {
         if (mScrimProgress != progress) {
             mScrimProgress = progress;
             mScrimAlpha = Math.round(255 * mScrimProgress);
-            invalidate();
+            mRoot.invalidate();
         }
     }
-
-    @Override
-    public void onViewAttachedToWindow(View view) {
-        mWallpaperColorInfo.addOnChangeListener(this);
-        onExtractedColorsChanged(mWallpaperColorInfo);
-    }
-
-    @Override
-    public void onViewDetachedFromWindow(View view) {
-        mWallpaperColorInfo.removeOnChangeListener(this);
-    }
-
-    @Override
-    public void onExtractedColorsChanged(WallpaperColorInfo wallpaperColorInfo) {
-        mScrimColor = wallpaperColorInfo.getMainColor();
-        if (mScrimAlpha > 0) {
-            invalidate();
-        }
-    }
-
-    public void invalidate() {
-        mRoot.invalidate();
-    }
 }
diff --git a/src/com/android/launcher3/graphics/SysUiScrim.java b/src/com/android/launcher3/graphics/SysUiScrim.java
index d9c648b37e..c09dac8e7d 100644
--- a/src/com/android/launcher3/graphics/SysUiScrim.java
+++ b/src/com/android/launcher3/graphics/SysUiScrim.java
@@ -41,18 +41,16 @@ import android.util.FloatProperty;
 import android.view.View;
 import android.view.WindowInsets;
 
-import androidx.core.graphics.ColorUtils;
-
+import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.R;
 import com.android.launcher3.ResourceUtils;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.uioverrides.WallpaperColorInfo;
 import com.android.launcher3.util.Themes;
 
 /**
  * View scrim which draws behind hotseat and workspace
  */
-public class SysUiScrim extends Scrim {
+public class SysUiScrim implements View.OnAttachStateChangeListener {
 
     public static final FloatProperty<SysUiScrim> SYSUI_PROGRESS =
             new FloatProperty<SysUiScrim>("sysUiProgress") {
@@ -83,7 +81,6 @@ public class SysUiScrim extends Scrim {
 
     /**
      * Receiver used to get a signal that the user unlocked their device.
-     * @see KEYGUARD_ANIMATION For proper signal.
      */
     private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
         @Override
@@ -99,7 +96,6 @@ public class SysUiScrim extends Scrim {
         }
     };
 
-    private static final int DARK_SCRIM_COLOR = 0x55000000;
     private static final int MAX_HOTSEAT_SCRIM_ALPHA = 100;
     private static final int ALPHA_MASK_HEIGHT_DP = 500;
     private static final int ALPHA_MASK_BITMAP_DP = 200;
@@ -112,6 +108,8 @@ public class SysUiScrim extends Scrim {
     private final Bitmap mBottomMask;
     private final int mMaskHeight;
 
+    private final View mRoot;
+    private final BaseDraggingActivity mActivity;
     private final Drawable mTopScrim;
 
     private float mSysUiProgress = 1;
@@ -121,14 +119,15 @@ public class SysUiScrim extends Scrim {
     private float mSysUiAnimMultiplier = 1;
 
     public SysUiScrim(View view) {
-        super(view);
+        mRoot = view;
+        mActivity = BaseDraggingActivity.fromContext(view.getContext());
         mMaskHeight = ResourceUtils.pxFromDp(ALPHA_MASK_BITMAP_DP,
                 view.getResources().getDisplayMetrics());
         mTopScrim = Themes.getAttrDrawable(view.getContext(), R.attr.workspaceStatusBarScrim);
         mBottomMask = mTopScrim == null ? null : createDitheredAlphaMask();
         mHideSysUiScrim = mTopScrim == null;
 
-        onExtractedColorsChanged(mWallpaperColorInfo);
+        view.addOnAttachStateChangeListener(this);
     }
 
     /**
@@ -147,7 +146,7 @@ public class SysUiScrim extends Scrim {
 
                 ObjectAnimator oa = createSysuiMultiplierAnim(1);
                 oa.setDuration(600);
-                oa.setStartDelay(mLauncher.getWindow().getTransitionBackgroundFadeDuration());
+                oa.setStartDelay(mActivity.getWindow().getTransitionBackgroundFadeDuration());
                 oa.start();
                 mAnimateScrimOnNextDraw = false;
             }
@@ -173,20 +172,17 @@ public class SysUiScrim extends Scrim {
     /**
      * Determines whether to draw the top and/or bottom scrim based on new insets.
      */
-    public void onInsetsChanged(Rect insets, boolean allowSysuiScrims) {
-        mDrawTopScrim = allowSysuiScrims
-                && mTopScrim != null
-                && insets.top > 0;
-        mDrawBottomScrim = allowSysuiScrims
-                && mBottomMask != null
-                && !mLauncher.getDeviceProfile().isVerticalBarLayout()
+    public void onInsetsChanged(Rect insets) {
+        mDrawTopScrim = mTopScrim != null && insets.top > 0;
+        mDrawBottomScrim = mBottomMask != null
+                && !mActivity.getDeviceProfile().isVerticalBarLayout()
                 && hasBottomNavButtons();
     }
 
     private boolean hasBottomNavButtons() {
-        if (Utilities.ATLEAST_Q && mLauncher.getRootView() != null
-                && mLauncher.getRootView().getRootWindowInsets() != null) {
-            WindowInsets windowInsets = mLauncher.getRootView().getRootWindowInsets();
+        if (Utilities.ATLEAST_Q && mActivity.getRootView() != null
+                && mActivity.getRootView().getRootWindowInsets() != null) {
+            WindowInsets windowInsets = mActivity.getRootView().getRootWindowInsets();
             return windowInsets.getTappableElementInsets().bottom > 0;
         }
         return true;
@@ -194,8 +190,6 @@ public class SysUiScrim extends Scrim {
 
     @Override
     public void onViewAttachedToWindow(View view) {
-        super.onViewAttachedToWindow(view);
-
         if (!KEYGUARD_ANIMATION.get() && mTopScrim != null) {
             IntentFilter filter = new IntentFilter(ACTION_SCREEN_OFF);
             filter.addAction(ACTION_USER_PRESENT); // When the device wakes up + keyguard is gone
@@ -205,22 +199,11 @@ public class SysUiScrim extends Scrim {
 
     @Override
     public void onViewDetachedFromWindow(View view) {
-        super.onViewDetachedFromWindow(view);
         if (!KEYGUARD_ANIMATION.get() && mTopScrim != null) {
             mRoot.getContext().unregisterReceiver(mReceiver);
         }
     }
 
-    @Override
-    public void onExtractedColorsChanged(WallpaperColorInfo wallpaperColorInfo) {
-        // for super light wallpaper it needs to be darken for contrast to workspace
-        // for dark wallpapers the text is white so darkening works as well
-        mBottomMaskPaint.setColor(ColorUtils.compositeColors(DARK_SCRIM_COLOR,
-                wallpaperColorInfo.getMainColor()));
-        reapplySysUiAlpha();
-        super.onExtractedColorsChanged(wallpaperColorInfo);
-    }
-
     /**
      * Set the width and height of the view being scrimmed
      * @param w
@@ -243,7 +226,7 @@ public class SysUiScrim extends Scrim {
     private void reapplySysUiAlpha() {
         reapplySysUiAlphaNoInvalidate();
         if (!mHideSysUiScrim) {
-            invalidate();
+            mRoot.invalidate();
         }
     }
 
@@ -256,7 +239,7 @@ public class SysUiScrim extends Scrim {
     }
 
     private Bitmap createDitheredAlphaMask() {
-        DisplayMetrics dm = mLauncher.getResources().getDisplayMetrics();
+        DisplayMetrics dm = mActivity.getResources().getDisplayMetrics();
         int width = ResourceUtils.pxFromDp(ALPHA_MASK_WIDTH_DP, dm);
         int gradientHeight = ResourceUtils.pxFromDp(ALPHA_MASK_HEIGHT_DP, dm);
         Bitmap dst = Bitmap.createBitmap(width, mMaskHeight, Bitmap.Config.ALPHA_8);
diff --git a/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java b/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java
index a7cd10d628..f73d782685 100644
--- a/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java
+++ b/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java
@@ -24,7 +24,7 @@ import com.android.launcher3.Insettable;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.uioverrides.WallpaperColorInfo;
+import com.android.launcher3.util.Themes;
 
 /**
  * A PageIndicator that briefly shows a fraction of a line when moving between pages
@@ -123,7 +123,7 @@ public class WorkspacePageIndicator extends View implements Insettable, PageIndi
         mLauncher = Launcher.getLauncher(context);
         mLineHeight = res.getDimensionPixelSize(R.dimen.workspace_page_indicator_line_height);
 
-        boolean darkText = WallpaperColorInfo.INSTANCE.get(context).supportsDarkText();
+        boolean darkText = Themes.getAttrBoolean(mLauncher, R.attr.isWorkspaceDarkText);
         mActiveAlpha = darkText ? BLACK_ALPHA : WHITE_ALPHA;
         mLinePaint.setColor(darkText ? Color.BLACK : Color.WHITE);
     }
diff --git a/src/com/android/launcher3/states/SpringLoadedState.java b/src/com/android/launcher3/states/SpringLoadedState.java
index 39bcdc5cd8..8db1dbe69d 100644
--- a/src/com/android/launcher3/states/SpringLoadedState.java
+++ b/src/com/android/launcher3/states/SpringLoadedState.java
@@ -89,7 +89,7 @@ public class SpringLoadedState extends LauncherState {
 
     @Override
     public float getWorkspaceBackgroundAlpha(Launcher launcher) {
-        return 0.3f;
+        return 0.2f;
     }
 
     @Override
diff --git a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
index a4372930be..d092f11ae5 100644
--- a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
+++ b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
@@ -352,7 +352,7 @@ public abstract class AbstractStateChangeTouchController
             // case the user started interacting with it before the animation finished.
             mLauncher.getStateManager().goToState(targetState, false /* animated */);
         }
-        mLauncher.getDragLayer().getSysUiScrim().createSysuiMultiplierAnim(
+        mLauncher.getRootView().getSysUiScrim().createSysuiMultiplierAnim(
                 1f).setDuration(0).start();
     }
 
diff --git a/src/com/android/launcher3/util/Themes.java b/src/com/android/launcher3/util/Themes.java
index e8a0635b2a..11b856e266 100644
--- a/src/com/android/launcher3/util/Themes.java
+++ b/src/com/android/launcher3/util/Themes.java
@@ -16,6 +16,10 @@
 
 package com.android.launcher3.util;
 
+import static android.app.WallpaperColors.HINT_SUPPORTS_DARK_TEXT;
+import static android.app.WallpaperColors.HINT_SUPPORTS_DARK_THEME;
+
+import android.app.WallpaperManager;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.content.res.TypedArray;
@@ -29,35 +33,40 @@ import android.util.TypedValue;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.icons.GraphicsUtils;
-import com.android.launcher3.uioverrides.WallpaperColorInfo;
 
 /**
  * Various utility methods associated with theming.
  */
+@SuppressWarnings("NewApi")
 public class Themes {
 
     public static int getActivityThemeRes(Context context) {
-        WallpaperColorInfo wallpaperColorInfo = WallpaperColorInfo.INSTANCE.get(context);
-        boolean darkTheme;
-        if (Utilities.ATLEAST_Q) {
-            Configuration configuration = context.getResources().getConfiguration();
-            int nightMode = configuration.uiMode & Configuration.UI_MODE_NIGHT_MASK;
-            darkTheme = nightMode == Configuration.UI_MODE_NIGHT_YES;
-        } else {
-            darkTheme = wallpaperColorInfo.isDark();
-        }
+        int colorHints = Utilities.ATLEAST_P ? context.getSystemService(WallpaperManager.class)
+                .getWallpaperColors(WallpaperManager.FLAG_SYSTEM).getColorHints()
+                : 0;
+        return getActivityThemeRes(context, colorHints);
+    }
+
+    public static int getActivityThemeRes(Context context, int wallpaperColorHints) {
+        Configuration configuration = context.getResources().getConfiguration();
+        int nightMode = configuration.uiMode & Configuration.UI_MODE_NIGHT_MASK;
+        boolean darkTheme = nightMode == Configuration.UI_MODE_NIGHT_YES;
+
+        boolean supportsDarkText = Utilities.ATLEAST_S
+                && (wallpaperColorHints & HINT_SUPPORTS_DARK_TEXT) != 0;
+        boolean isMainColorDark = Utilities.ATLEAST_S
+                && (wallpaperColorHints & HINT_SUPPORTS_DARK_THEME) != 0;
 
         if (darkTheme) {
-            return wallpaperColorInfo.supportsDarkText() ?
-                    R.style.AppTheme_Dark_DarkText : wallpaperColorInfo.isMainColorDark() ?
-                            R.style.AppTheme_Dark_DarkMainColor : R.style.AppTheme_Dark;
+            return supportsDarkText ? R.style.AppTheme_Dark_DarkText
+                    : isMainColorDark ? R.style.AppTheme_Dark_DarkMainColor : R.style.AppTheme_Dark;
         } else {
-            return wallpaperColorInfo.supportsDarkText() ?
-                    R.style.AppTheme_DarkText : wallpaperColorInfo.isMainColorDark() ?
-                            R.style.AppTheme_DarkMainColor : R.style.AppTheme;
+            return supportsDarkText ? R.style.AppTheme_DarkText
+                    : isMainColorDark ? R.style.AppTheme_DarkMainColor : R.style.AppTheme;
         }
     }
 
+
     public static String getDefaultBodyFont(Context context) {
         TypedArray ta = context.obtainStyledAttributes(android.R.style.TextAppearance_DeviceDefault,
                 new int[]{android.R.attr.fontFamily});
diff --git a/src/com/android/launcher3/views/BaseDragLayer.java b/src/com/android/launcher3/views/BaseDragLayer.java
index 1939d15776..01c0b562e1 100644
--- a/src/com/android/launcher3/views/BaseDragLayer.java
+++ b/src/com/android/launcher3/views/BaseDragLayer.java
@@ -23,11 +23,8 @@ import static android.view.MotionEvent.ACTION_UP;
 import static com.android.launcher3.util.DisplayController.getSingleFrameMs;
 
 import android.annotation.TargetApi;
-import android.app.WallpaperInfo;
 import android.app.WallpaperManager;
-import android.content.ComponentName;
 import android.content.Context;
-import android.content.Intent;
 import android.graphics.Insets;
 import android.graphics.Rect;
 import android.graphics.RectF;
@@ -42,15 +39,11 @@ import android.view.WindowInsets;
 import android.view.accessibility.AccessibilityEvent;
 import android.widget.FrameLayout;
 
-import androidx.annotation.Nullable;
-
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.InsettableFrameLayout;
-import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
-import com.android.launcher3.util.SimpleBroadcastReceiver;
 import com.android.launcher3.util.TouchController;
 
 import java.io.PrintWriter;
@@ -117,9 +110,6 @@ public abstract class BaseDragLayer<T extends Context & ActivityContext>
     protected final T mActivity;
     private final MultiValueAlpha mMultiValueAlpha;
     private final WallpaperManager mWallpaperManager;
-    private final SimpleBroadcastReceiver mWallpaperChangeReceiver =
-            new SimpleBroadcastReceiver(this::onWallpaperChanged);
-    private final String[] mWallpapersWithoutSysuiScrims;
 
     // All the touch controllers for the view
     protected TouchController[] mControllers;
@@ -130,15 +120,11 @@ public abstract class BaseDragLayer<T extends Context & ActivityContext>
 
     private TouchCompleteListener mTouchCompleteListener;
 
-    protected boolean mAllowSysuiScrims = true;
-
     public BaseDragLayer(Context context, AttributeSet attrs, int alphaChannelCount) {
         super(context, attrs);
         mActivity = (T) ActivityContext.lookupContext(context);
         mMultiValueAlpha = new MultiValueAlpha(this, alphaChannelCount);
         mWallpaperManager = context.getSystemService(WallpaperManager.class);
-        mWallpapersWithoutSysuiScrims = getResources().getStringArray(
-                R.array.live_wallpapers_remove_sysui_scrims);
     }
 
     /**
@@ -562,46 +548,4 @@ public abstract class BaseDragLayer<T extends Context & ActivityContext>
         }
         return super.dispatchApplyWindowInsets(insets);
     }
-
-    @Override
-    protected void onAttachedToWindow() {
-        super.onAttachedToWindow();
-        mWallpaperChangeReceiver.register(mActivity, Intent.ACTION_WALLPAPER_CHANGED);
-        onWallpaperChanged(null);
-    }
-
-    @Override
-    protected void onDetachedFromWindow() {
-        super.onDetachedFromWindow();
-        mActivity.unregisterReceiver(mWallpaperChangeReceiver);
-    }
-
-    private void onWallpaperChanged(Intent unusedBroadcastIntent) {
-        WallpaperInfo newWallpaperInfo = mWallpaperManager.getWallpaperInfo();
-        boolean oldAllowSysuiScrims = mAllowSysuiScrims;
-        mAllowSysuiScrims = computeAllowSysuiScrims(newWallpaperInfo);
-        if (mAllowSysuiScrims != oldAllowSysuiScrims) {
-            // Reapply insets so scrim can be removed or re-added if necessary.
-            setInsets(mInsets);
-        }
-    }
-
-    /**
-     * Determines whether we can scrim the status bar and nav bar for the given wallpaper by
-     * checking against a list of live wallpapers that we don't show the scrims on.
-     */
-    private boolean computeAllowSysuiScrims(@Nullable WallpaperInfo newWallpaperInfo) {
-        if (newWallpaperInfo == null) {
-            // Static wallpapers need scrim unless determined otherwise by wallpaperColors.
-            return true;
-        }
-        ComponentName newWallpaper = newWallpaperInfo.getComponent();
-        for (String wallpaperWithoutScrim : mWallpapersWithoutSysuiScrims) {
-            if (newWallpaper.equals(ComponentName.unflattenFromString(wallpaperWithoutScrim))) {
-                // New wallpaper does not need a scrim.
-                return false;
-            }
-        }
-        return true;
-    }
 }
diff --git a/src/com/android/launcher3/widget/BaseWidgetSheet.java b/src/com/android/launcher3/widget/BaseWidgetSheet.java
index 415f48d30f..a7ecb078c2 100644
--- a/src/com/android/launcher3/widget/BaseWidgetSheet.java
+++ b/src/com/android/launcher3/widget/BaseWidgetSheet.java
@@ -35,7 +35,6 @@ import com.android.launcher3.popup.PopupDataProvider;
 import com.android.launcher3.testing.TestLogging;
 import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.touch.ItemLongClickListener;
-import com.android.launcher3.uioverrides.WallpaperColorInfo;
 import com.android.launcher3.util.SystemUiController;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.views.AbstractSlideInView;
@@ -56,9 +55,8 @@ public abstract class BaseWidgetSheet extends AbstractSlideInView
     }
 
     protected int getScrimColor(Context context) {
-        WallpaperColorInfo colors = WallpaperColorInfo.INSTANCE.get(context);
         int alpha = context.getResources().getInteger(R.integer.extracted_color_gradient_alpha);
-        return setColorAlphaBound(colors.getSecondaryColor(), alpha);
+        return setColorAlphaBound(context.getColor(R.color.wallpaper_popup_scrim), alpha);
     }
 
     @Override
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/WallpaperColorInfo.java b/src_ui_overrides/com/android/launcher3/uioverrides/WallpaperColorInfo.java
deleted file mode 100644
index b3aa3656eb..0000000000
--- a/src_ui_overrides/com/android/launcher3/uioverrides/WallpaperColorInfo.java
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * Copyright (C) 2018 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.uioverrides;
-
-import static android.app.WallpaperManager.FLAG_SYSTEM;
-
-import android.content.Context;
-import android.graphics.Color;
-import android.util.Pair;
-
-import com.android.launcher3.uioverrides.dynamicui.ColorExtractionAlgorithm;
-import com.android.launcher3.uioverrides.dynamicui.WallpaperColorsCompat;
-import com.android.launcher3.uioverrides.dynamicui.WallpaperManagerCompat;
-import com.android.launcher3.util.MainThreadInitializedObject;
-
-import java.util.ArrayList;
-
-public class WallpaperColorInfo implements WallpaperManagerCompat.OnColorsChangedListenerCompat {
-
-    private static final int MAIN_COLOR_LIGHT = 0xffdadce0;
-    private static final int MAIN_COLOR_DARK = 0xff202124;
-    private static final int MAIN_COLOR_REGULAR = 0xff000000;
-
-    private static final int FALLBACK_COLOR = Color.WHITE;
-
-    public static final MainThreadInitializedObject<WallpaperColorInfo> INSTANCE =
-            new MainThreadInitializedObject<>(WallpaperColorInfo::new);
-
-    private final ArrayList<OnChangeListener> mListeners = new ArrayList<>();
-    private final WallpaperManagerCompat mWallpaperManager;
-    private final ColorExtractionAlgorithm mExtractionType;
-    private int mMainColor;
-    private int mSecondaryColor;
-    private boolean mIsDark;
-    private boolean mSupportsDarkText;
-
-    private OnChangeListener[] mTempListeners;
-
-    private WallpaperColorInfo(Context context) {
-        mWallpaperManager = WallpaperManagerCompat.getInstance(context);
-        mWallpaperManager.addOnColorsChangedListener(this);
-        mExtractionType = new ColorExtractionAlgorithm();
-        update(mWallpaperManager.getWallpaperColors(FLAG_SYSTEM));
-    }
-
-    public int getMainColor() {
-        return mMainColor;
-    }
-
-    public int getSecondaryColor() {
-        return mSecondaryColor;
-    }
-
-    public boolean isDark() {
-        return mIsDark;
-    }
-
-    public boolean supportsDarkText() {
-        return mSupportsDarkText;
-    }
-
-    public boolean isMainColorDark() {
-        return mMainColor == MAIN_COLOR_DARK;
-    }
-
-    @Override
-    public void onColorsChanged(WallpaperColorsCompat colors, int which) {
-        if ((which & FLAG_SYSTEM) != 0) {
-            update(colors);
-            notifyChange();
-        }
-    }
-
-    private void update(WallpaperColorsCompat wallpaperColors) {
-        Pair<Integer, Integer> colors = mExtractionType.extractInto(wallpaperColors);
-        if (colors != null) {
-            mMainColor = colors.first;
-            mSecondaryColor = colors.second;
-        } else {
-            mMainColor = FALLBACK_COLOR;
-            mSecondaryColor = FALLBACK_COLOR;
-        }
-        mSupportsDarkText = wallpaperColors != null
-                ? (wallpaperColors.getColorHints()
-                & WallpaperColorsCompat.HINT_SUPPORTS_DARK_TEXT) > 0 : false;
-        mIsDark = wallpaperColors != null
-                ? (wallpaperColors.getColorHints()
-                & WallpaperColorsCompat.HINT_SUPPORTS_DARK_THEME) > 0 : false;
-    }
-
-    public void addOnChangeListener(OnChangeListener listener) {
-        mListeners.add(listener);
-    }
-
-    public void removeOnChangeListener(OnChangeListener listener) {
-        mListeners.remove(listener);
-    }
-
-    private void notifyChange() {
-        OnChangeListener[] copy =
-                mTempListeners != null && mTempListeners.length == mListeners.size() ?
-                        mTempListeners : new OnChangeListener[mListeners.size()];
-
-        // Create a new array to avoid concurrent modification when the activity destroys itself.
-        mTempListeners = mListeners.toArray(copy);
-        for (OnChangeListener listener : mTempListeners) {
-            listener.onExtractedColorsChanged(this);
-        }
-    }
-
-    public interface OnChangeListener {
-        void onExtractedColorsChanged(WallpaperColorInfo wallpaperColorInfo);
-    }
-}
\ No newline at end of file
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/ColorExtractionAlgorithm.java b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/ColorExtractionAlgorithm.java
deleted file mode 100644
index 780a0f0372..0000000000
--- a/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/ColorExtractionAlgorithm.java
+++ /dev/null
@@ -1,795 +0,0 @@
-/*
- * 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.
- */
-
-package com.android.launcher3.uioverrides.dynamicui;
-
-import android.graphics.Color;
-import android.util.Log;
-import android.util.Pair;
-import android.util.Range;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.core.graphics.ColorUtils;
-
-import com.android.launcher3.Utilities;
-
-import java.util.Arrays;
-import java.util.LinkedList;
-import java.util.List;
-
-/**
- * Implementation of tonal color extraction
- **/
-public class ColorExtractionAlgorithm {
-
-    private static final String TAG = "Tonal";
-
-    // Used for tonal palette fitting
-    private static final float FIT_WEIGHT_H = 1.0f;
-    private static final float FIT_WEIGHT_S = 1.0f;
-    private static final float FIT_WEIGHT_L = 10.0f;
-
-    public static final int MAIN_COLOR_LIGHT = 0xffb0b0b0;
-    public static final int SECONDARY_COLOR_LIGHT = 0xff9e9e9e;
-    public static final int MAIN_COLOR_DARK = 0xff212121;
-    public static final int SECONDARY_COLOR_DARK = 0xff000000;
-
-    // Temporary variable to avoid allocations
-    private float[] mTmpHSL = new float[3];
-
-    public Pair<Integer, Integer> extractInto(WallpaperColorsCompat inWallpaperColors) {
-        if (inWallpaperColors == null) {
-            return applyFallback(inWallpaperColors);
-        }
-
-        final List<Integer> mainColors = getMainColors(inWallpaperColors);
-        final int mainColorsSize = mainColors.size();
-        final boolean supportsDarkText = (inWallpaperColors.getColorHints() &
-                WallpaperColorsCompat.HINT_SUPPORTS_DARK_TEXT) != 0;
-
-        if (mainColorsSize == 0) {
-            return applyFallback(inWallpaperColors);
-        }
-        // Tonal is not really a sort, it takes a color from the extracted
-        // palette and finds a best fit amongst a collection of pre-defined
-        // palettes. The best fit is tweaked to be closer to the source color
-        // and replaces the original palette
-
-        // Get the most preeminent, non-disallowed color.
-        Integer bestColor = 0;
-        final float[] hsl = new float[3];
-        for (int i = 0; i < mainColorsSize; i++) {
-            final int colorValue = mainColors.get(i);
-            ColorUtils.RGBToHSL(Color.red(colorValue), Color.green(colorValue),
-                    Color.blue(colorValue), hsl);
-
-            // Stop when we find a color that meets our criteria
-            if (!isDisallowed(hsl)) {
-                bestColor = colorValue;
-                break;
-            }
-        }
-
-        // Fail if not found
-        if (bestColor == null) {
-            return applyFallback(inWallpaperColors);
-        }
-
-        int colorValue = bestColor;
-        ColorUtils.RGBToHSL(Color.red(colorValue), Color.green(colorValue), Color.blue(colorValue),
-                hsl);
-
-        // The Android HSL definition requires the hue to go from 0 to 360 but
-        // the Material Tonal Palette defines hues from 0 to 1.
-        hsl[0] /= 360f;
-
-        // Find the palette that contains the closest color
-        TonalPalette palette = findTonalPalette(hsl[0], hsl[1]);
-        if (palette == null) {
-            Log.w(TAG, "Could not find a tonal palette!");
-            return applyFallback(inWallpaperColors);
-        }
-
-        // Figure out what's the main color index in the optimal palette
-        int fitIndex = bestFit(palette, hsl[0], hsl[1], hsl[2]);
-        if (fitIndex == -1) {
-            Log.w(TAG, "Could not find best fit!");
-            return applyFallback(inWallpaperColors);
-        }
-
-        // Generate the 10 colors palette by offsetting each one of them
-        float[] h = fit(palette.h, hsl[0], fitIndex,
-                Float.NEGATIVE_INFINITY, Float.POSITIVE_INFINITY);
-        float[] s = fit(palette.s, hsl[1], fitIndex, 0.0f, 1.0f);
-        float[] l = fit(palette.l, hsl[2], fitIndex, 0.0f, 1.0f);
-
-        int primaryIndex = fitIndex;
-        int mainColor = getColorInt(primaryIndex, h, s, l);
-
-        // We might want use the fallback in case the extracted color is brighter than our
-        // light fallback or darker than our dark fallback.
-        ColorUtils.colorToHSL(mainColor, mTmpHSL);
-        final float mainLuminosity = mTmpHSL[2];
-        ColorUtils.colorToHSL(MAIN_COLOR_LIGHT, mTmpHSL);
-        final float lightLuminosity = mTmpHSL[2];
-        if (mainLuminosity > lightLuminosity) {
-            return applyFallback(inWallpaperColors);
-        }
-        ColorUtils.colorToHSL(MAIN_COLOR_DARK, mTmpHSL);
-        final float darkLuminosity = mTmpHSL[2];
-        if (mainLuminosity < darkLuminosity) {
-            return applyFallback(inWallpaperColors);
-        }
-
-        // Dark colors:
-        // Stops at 4th color, only lighter if dark text is supported
-        if (supportsDarkText) {
-            primaryIndex = h.length - 1;
-        } else if (fitIndex < 2) {
-            primaryIndex = 0;
-        } else {
-            primaryIndex = Math.min(fitIndex, 3);
-        }
-        int secondaryIndex = primaryIndex + (primaryIndex >= 2 ? -2 : 2);
-        int secondaryColor = getColorInt(secondaryIndex, h, s, l);
-
-        return new Pair<>(mainColor, secondaryColor);
-    }
-
-    public static Pair<Integer, Integer> applyFallback(WallpaperColorsCompat inWallpaperColors) {
-        boolean light = inWallpaperColors != null
-                && (inWallpaperColors.getColorHints()
-                    & WallpaperColorsCompat.HINT_SUPPORTS_DARK_TEXT)!= 0;
-        int innerColor = light ? MAIN_COLOR_LIGHT : MAIN_COLOR_DARK;
-        int outerColor = light ? SECONDARY_COLOR_LIGHT : SECONDARY_COLOR_DARK;
-        return new Pair<>(innerColor, outerColor);
-    }
-
-    private int getColorInt(int fitIndex, float[] h, float[] s, float[] l) {
-        mTmpHSL[0] = fract(h[fitIndex]) * 360.0f;
-        mTmpHSL[1] = s[fitIndex];
-        mTmpHSL[2] = l[fitIndex];
-        return ColorUtils.HSLToColor(mTmpHSL);
-    }
-
-    /**
-     * Checks if a given color exists in the disallowed_colors list.
-     * @param hsl float array with 3 components (H 0..360, S 0..1 and L 0..1)
-     * @return true if color should be avoided
-     */
-    private boolean isDisallowed(float[] hsl) {
-        for (ColorRange badRange: DISALLOWED_COLORS) {
-            if (badRange.containsColor(hsl[0], hsl[1], hsl[2])) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    /**
-     * Offsets all colors by a delta, clamping values that go beyond what's
-     * supported on the color space.
-     * @param data what you want to fit
-     * @param v how big should be the offset
-     * @param index which index to calculate the delta against
-     * @param min minimum accepted value (clamp)
-     * @param max maximum accepted value (clamp)
-     * @return new shifted palette
-     */
-    private static float[] fit(float[] data, float v, int index, float min, float max) {
-        float[] fitData = new float[data.length];
-        float delta = v - data[index];
-
-        for (int i = 0; i < data.length; i++) {
-            fitData[i] = Utilities.boundToRange(data[i] + delta, min, max);
-        }
-
-        return fitData;
-    }
-
-    /**
-     * Finds the closest color in a palette, given another HSL color
-     *
-     * @param palette where to search
-     * @param h hue
-     * @param s saturation
-     * @param l lightness
-     * @return closest index or -1 if palette is empty.
-     */
-    private static int bestFit(@NonNull TonalPalette palette, float h, float s, float l) {
-        int minErrorIndex = -1;
-        float minError = Float.POSITIVE_INFINITY;
-
-        for (int i = 0; i < palette.h.length; i++) {
-            float error =
-                    FIT_WEIGHT_H * Math.abs(h - palette.h[i])
-                            + FIT_WEIGHT_S * Math.abs(s - palette.s[i])
-                            + FIT_WEIGHT_L * Math.abs(l - palette.l[i]);
-            if (error < minError) {
-                minError = error;
-                minErrorIndex = i;
-            }
-        }
-
-        return minErrorIndex;
-    }
-
-    @Nullable
-    private static TonalPalette findTonalPalette(float h, float s) {
-        // Fallback to a grey palette if the color is too desaturated.
-        // This avoids hue shifts.
-        if (s < 0.05f) {
-            return GREY_PALETTE;
-        }
-
-        TonalPalette best = null;
-        float error = Float.POSITIVE_INFINITY;
-
-        for (int i = 0; i < TONAL_PALETTES.length; i++) {
-            final TonalPalette candidate = TONAL_PALETTES[i];
-
-            if (h >= candidate.minHue && h <= candidate.maxHue) {
-                best = candidate;
-                break;
-            }
-
-            if (candidate.maxHue > 1.0f && h >= 0.0f && h <= fract(candidate.maxHue)) {
-                best = candidate;
-                break;
-            }
-
-            if (candidate.minHue < 0.0f && h >= fract(candidate.minHue) && h <= 1.0f) {
-                best = candidate;
-                break;
-            }
-
-            if (h <= candidate.minHue && candidate.minHue - h < error) {
-                best = candidate;
-                error = candidate.minHue - h;
-            } else if (h >= candidate.maxHue && h - candidate.maxHue < error) {
-                best = candidate;
-                error = h - candidate.maxHue;
-            } else if (candidate.maxHue > 1.0f && h >= fract(candidate.maxHue)
-                    && h - fract(candidate.maxHue) < error) {
-                best = candidate;
-                error = h - fract(candidate.maxHue);
-            } else if (candidate.minHue < 0.0f && h <= fract(candidate.minHue)
-                    && fract(candidate.minHue) - h < error) {
-                best = candidate;
-                error = fract(candidate.minHue) - h;
-            }
-        }
-
-        return best;
-    }
-
-    private static float fract(float v) {
-        return v - (float) Math.floor(v);
-    }
-
-    static class TonalPalette {
-        final float[] h;
-        final float[] s;
-        final float[] l;
-        final float minHue;
-        final float maxHue;
-
-        TonalPalette(float[] h, float[] s, float[] l) {
-            if (h.length != s.length || s.length != l.length) {
-                throw new IllegalArgumentException("All arrays should have the same size. h: "
-                        + Arrays.toString(h) + " s: " + Arrays.toString(s) + " l: "
-                        + Arrays.toString(l));
-            }
-
-            this.h = h;
-            this.s = s;
-            this.l = l;
-
-            float minHue = Float.POSITIVE_INFINITY;
-            float maxHue = Float.NEGATIVE_INFINITY;
-
-            for (float v : h) {
-                minHue = Math.min(v, minHue);
-                maxHue = Math.max(v, maxHue);
-            }
-
-            this.minHue = minHue;
-            this.maxHue = maxHue;
-        }
-    }
-
-    // Data definition of Material Design tonal palettes
-    // When the sort type is set to TONAL, these palettes are used to find
-    // a best fit. Each palette is defined as 22 HSL colors
-    private static final TonalPalette[] TONAL_PALETTES = {
-            new TonalPalette(
-                    new float[] {1f, 1f, 0.991f, 0.991f, 0.9833333333333333f, 0f, 0f, 0f,
-                            0.01134380453752181f, 0.015625000000000003f, 0.024193548387096798f,
-                            0.027397260273972573f, 0.017543859649122865f},
-                    new float[] {1f, 1f, 1f, 1f, 1f, 1f, 1f, 0.8434782608695652f, 1f, 1f, 1f, 1f,
-                            1f},
-                    new float[] {0.04f, 0.09f, 0.14f, 0.2f, 0.27450980392156865f,
-                            0.34901960784313724f, 0.4235294117647059f, 0.5490196078431373f,
-                            0.6254901960784314f, 0.6862745098039216f, 0.7568627450980392f,
-                            0.8568627450980393f, 0.9254901960784314f}
-            ),
-            new TonalPalette(
-                    new float[] {0.638f, 0.638f, 0.6385767790262171f, 0.6301169590643275f,
-                            0.6223958333333334f, 0.6151079136690647f, 0.6065400843881856f,
-                            0.5986964618249534f, 0.5910746812386157f, 0.5833333333333334f,
-                            0.5748031496062993f, 0.5582010582010583f},
-                    new float[] {1f, 1f, 1f, 1f, 0.9014084507042253f, 0.8128654970760234f,
-                            0.7979797979797981f, 0.7816593886462883f, 0.778723404255319f, 1f, 1f,
-                            1f},
-                    new float[] {0.05f, 0.12f, 0.17450980392156862f, 0.2235294117647059f,
-                            0.2784313725490196f, 0.3352941176470588f, 0.388235294117647f,
-                            0.44901960784313727f, 0.5392156862745098f, 0.6509803921568628f,
-                            0.7509803921568627f, 0.8764705882352941f}
-            ),
-            new TonalPalette(
-                    new float[] {0.563f, 0.569f, 0.5666f, 0.5669934640522876f, 0.5748031496062993f,
-                            0.5595238095238095f, 0.5473118279569893f, 0.5393258426966292f,
-                            0.5315955766192734f, 0.524031007751938f, 0.5154711673699016f,
-                            0.508080808080808f, 0.5f},
-                    new float[] {1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 0.8847736625514403f, 1f, 1f,
-                            1f},
-                    new float[] {0.07f, 0.12f, 0.16f, 0.2f, 0.24901960784313726f,
-                            0.27450980392156865f, 0.30392156862745096f, 0.34901960784313724f,
-                            0.4137254901960784f, 0.47647058823529415f, 0.5352941176470588f,
-                            0.6764705882352942f, 0.8f}
-            ),
-            new TonalPalette(
-                    new float[] {0.508f, 0.511f, 0.508f, 0.508f, 0.5082304526748972f,
-                            0.5069444444444444f, 0.5f, 0.5f, 0.5f, 0.48724954462659376f,
-                            0.4800347222222222f, 0.4755134281200632f, 0.4724409448818897f,
-                            0.4671052631578947f},
-                    new float[] {1f, 1f, 1f, 1f, 1f, 0.8888888888888887f, 0.9242424242424242f, 1f,
-                            1f, 0.8133333333333332f, 0.7868852459016393f, 1f, 1f, 1f},
-                    new float[] {0.04f, 0.06f, 0.08f, 0.12f, 0.1588235294117647f,
-                            0.21176470588235297f, 0.25882352941176473f, 0.3f, 0.34901960784313724f,
-                            0.44117647058823534f, 0.5215686274509804f, 0.5862745098039216f,
-                            0.7509803921568627f, 0.8509803921568627f}
-            ),
-            new TonalPalette(
-                    new float[] {0.333f, 0.333f, 0.333f, 0.3333333333333333f, 0.3333333333333333f,
-                            0.34006734006734f, 0.34006734006734f, 0.34006734006734f,
-                            0.34259259259259256f, 0.3475783475783476f, 0.34767025089605735f,
-                            0.3467741935483871f, 0.3703703703703704f},
-                    new float[] {0.70f, 0.72f, 0.69f, 0.6703296703296703f, 0.728813559322034f,
-                            0.5657142857142856f, 0.5076923076923077f, 0.3944223107569721f,
-                            0.6206896551724138f, 0.8931297709923666f, 1f, 1f, 1f},
-                    new float[] {0.05f, 0.08f, 0.14f, 0.1784313725490196f, 0.23137254901960785f,
-                            0.3431372549019608f, 0.38235294117647056f, 0.49215686274509807f,
-                            0.6588235294117647f, 0.7431372549019608f, 0.8176470588235294f,
-                            0.8784313725490196f, 0.9294117647058824f}
-            ),
-            new TonalPalette(
-                    new float[] {0.161f, 0.163f, 0.163f, 0.162280701754386f, 0.15032679738562088f,
-                            0.15879265091863518f, 0.16236559139784948f, 0.17443868739205526f,
-                            0.17824074074074076f, 0.18674698795180725f, 0.18692449355432778f,
-                            0.1946778711484594f, 0.18604651162790695f},
-                    new float[] {1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f},
-                    new float[] {0.05f, 0.08f, 0.11f, 0.14901960784313725f, 0.2f,
-                            0.24901960784313726f, 0.30392156862745096f, 0.3784313725490196f,
-                            0.4235294117647059f, 0.48823529411764705f, 0.6450980392156863f,
-                            0.7666666666666666f, 0.8313725490196078f}
-            ),
-            new TonalPalette(
-                    new float[] {0.108f, 0.105f, 0.105f, 0.105f, 0.10619469026548674f,
-                            0.11924686192468618f, 0.13046448087431692f, 0.14248366013071895f,
-                            0.1506024096385542f, 0.16220238095238093f, 0.16666666666666666f,
-                            0.16666666666666666f, 0.162280701754386f, 0.15686274509803924f},
-                    new float[] {1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f},
-                    new float[] {0.17f, 0.22f, 0.28f, 0.35f, 0.44313725490196076f,
-                            0.46862745098039216f, 0.47843137254901963f, 0.5f, 0.5117647058823529f,
-                            0.5607843137254902f, 0.6509803921568628f, 0.7509803921568627f,
-                            0.8509803921568627f, 0.9f}
-            ),
-            new TonalPalette(
-                    new float[] {0.036f, 0.036f, 0.036f, 0.036f, 0.03561253561253561f,
-                            0.05098039215686275f, 0.07516339869281045f, 0.09477124183006536f,
-                            0.1150326797385621f, 0.134640522875817f, 0.14640522875816991f,
-                            0.1582397003745319f, 0.15773809523809523f, 0.15359477124183002f},
-                    new float[] {1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f},
-                    new float[] {0.19f, 0.26f, 0.34f, 0.39f, 0.4588235294117647f, 0.5f, 0.5f, 0.5f,
-                            0.5f, 0.5f, 0.5f, 0.6509803921568628f, 0.7803921568627451f, 0.9f}
-            ),
-            new TonalPalette(
-                    new float[] {0.955f, 0.961f, 0.958f, 0.9596491228070175f, 0.9593837535014005f,
-                            0.9514767932489452f, 0.943859649122807f, 0.9396825396825397f,
-                            0.9395424836601307f, 0.9393939393939394f, 0.9362745098039216f,
-                            0.9754098360655739f, 0.9824561403508771f},
-                    new float[] {0.87f, 0.85f, 0.85f, 0.84070796460177f, 0.8206896551724138f,
-                            0.7979797979797981f, 0.7661290322580644f, 0.9051724137931036f,
-                            1f, 1f, 1f, 1f, 1f},
-                    new float[] {0.06f, 0.11f, 0.16f, 0.22156862745098038f, 0.2843137254901961f,
-                            0.388235294117647f, 0.48627450980392156f, 0.5450980392156863f,
-                            0.6f, 0.6764705882352942f, 0.8f, 0.8803921568627451f,
-                            0.9254901960784314f}
-            ),
-            new TonalPalette(
-                    new float[] {0.866f, 0.855f, 0.841025641025641f, 0.8333333333333334f,
-                            0.8285256410256411f, 0.821522309711286f, 0.8083333333333333f,
-                            0.8046594982078853f, 0.8005822416302766f, 0.7842377260981912f,
-                            0.7771084337349398f, 0.7747747747747749f},
-                    new float[] {1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f,
-                            0.737142857142857f, 0.6434108527131781f, 0.46835443037974644f},
-                    new float[] {0.05f, 0.08f, 0.12745098039215685f, 0.15490196078431373f,
-                            0.20392156862745098f, 0.24901960784313726f, 0.3137254901960784f,
-                            0.36470588235294116f, 0.44901960784313727f, 0.6568627450980392f,
-                            0.7470588235294118f, 0.8450980392156863f}
-            ),
-            new TonalPalette(
-                    new float[] {0.925f, 0.93f, 0.938f, 0.947f, 0.955952380952381f,
-                            0.9681069958847737f, 0.9760479041916167f, 0.9873563218390804f, 0f, 0f,
-                            0.009057971014492771f, 0.026748971193415648f,
-                            0.041666666666666616f, 0.05303030303030304f},
-                    new float[] {1f, 1f, 1f, 1f, 1f, 0.8350515463917526f, 0.6929460580912863f,
-                            0.6387665198237885f, 0.6914893617021276f, 0.7583892617449666f,
-                            0.8070175438596495f, 0.9310344827586209f, 1f, 1f},
-                    new float[] {0.10f, 0.13f, 0.17f, 0.2f, 0.27450980392156865f,
-                            0.3803921568627451f, 0.4725490196078432f, 0.5549019607843138f,
-                            0.6313725490196078f, 0.707843137254902f, 0.7764705882352941f,
-                            0.8294117647058823f, 0.9058823529411765f, 0.9568627450980391f}
-            ),
-            new TonalPalette(
-                    new float[] {0.733f, 0.736f, 0.744f, 0.7514619883040936f, 0.7679738562091503f,
-                            0.7802083333333333f, 0.7844311377245509f, 0.796875f,
-                            0.8165618448637316f, 0.8487179487179487f, 0.8582375478927203f,
-                            0.8562091503267975f, 0.8666666666666667f},
-                    new float[] {1f, 1f, 1f, 1f, 1f, 0.8163265306122449f, 0.6653386454183268f,
-                            0.7547169811320753f, 0.929824561403509f, 0.9558823529411766f,
-                            0.9560439560439562f, 1f, 1f},
-                    new float[] {0.07f, 0.12f, 0.17f, 0.2235294117647059f, 0.3f,
-                            0.38431372549019605f, 0.492156862745098f, 0.5843137254901961f,
-                            0.6647058823529411f, 0.7333333333333334f, 0.8215686274509804f, 0.9f,
-                            0.9411764705882353f}
-            ),
-            new TonalPalette(
-                    new float[] {0.6666666666666666f, 0.6666666666666666f, 0.6666666666666666f,
-                            0.6666666666666666f, 0.6666666666666666f, 0.6666666666666666f,
-                            0.6666666666666666f, 0.6666666666666666f, 0.6666666666666666f,
-                            0.6666666666666666f, 0.6666666666666666f},
-                    new float[] {0.25f, 0.24590163934426232f, 0.17880794701986752f,
-                            0.14606741573033713f, 0.13761467889908252f, 0.14893617021276592f,
-                            0.16756756756756758f, 0.20312500000000017f, 0.26086956521739135f,
-                            0.29999999999999966f, 0.5000000000000004f},
-                    new float[] {0.18f, 0.2392156862745098f, 0.296078431372549f,
-                            0.34901960784313724f, 0.4274509803921569f, 0.5392156862745098f,
-                            0.6372549019607843f, 0.7490196078431373f, 0.8196078431372549f,
-                            0.8823529411764706f, 0.9372549019607843f}
-            ),
-            new TonalPalette(
-                    new float[] {0.938f, 0.944f, 0.952f, 0.961f, 0.9678571428571429f,
-                            0.9944812362030905f, 0f, 0f,
-                            0.0047348484848484815f, 0.00316455696202532f, 0f,
-                            0.9980392156862745f, 0.9814814814814816f, 0.9722222222222221f},
-                    new float[] {1f, 1f, 1f, 1f, 1f, 0.7023255813953488f, 0.6638655462184874f,
-                            0.6521739130434782f, 0.7719298245614035f, 0.8315789473684211f,
-                            0.6867469879518071f, 0.7264957264957265f, 0.8181818181818182f,
-                            0.8181818181818189f},
-                    new float[] {0.08f, 0.13f, 0.18f, 0.23f, 0.27450980392156865f,
-                            0.4215686274509804f,
-                            0.4666666666666667f, 0.503921568627451f, 0.5529411764705883f,
-                            0.6274509803921569f, 0.6745098039215687f, 0.7705882352941176f,
-                            0.892156862745098f, 0.9568627450980391f}
-            ),
-            new TonalPalette(
-                    new float[] {0.88f, 0.888f, 0.897f, 0.9052287581699346f, 0.9112021857923498f,
-                            0.9270152505446624f, 0.9343137254901961f, 0.9391534391534391f,
-                            0.9437984496124031f, 0.943661971830986f, 0.9438943894389439f,
-                            0.9426229508196722f, 0.9444444444444444f},
-                    new float[] {1f, 1f, 1f, 1f, 0.8133333333333332f, 0.7927461139896375f,
-                            0.7798165137614679f, 0.7777777777777779f, 0.8190476190476191f,
-                            0.8255813953488372f, 0.8211382113821142f, 0.8133333333333336f,
-                            0.8000000000000006f},
-                    new float[] {0.08f, 0.12f, 0.16f, 0.2f, 0.29411764705882354f,
-                            0.3784313725490196f, 0.42745098039215684f, 0.4764705882352941f,
-                            0.5882352941176471f, 0.6627450980392157f, 0.7588235294117647f,
-                            0.8529411764705882f, 0.9411764705882353f}
-            ),
-            new TonalPalette(
-                    new float[] {0.669f, 0.680f, 0.6884057971014492f, 0.6974789915966387f,
-                            0.7079889807162534f, 0.7154471544715447f, 0.7217741935483872f,
-                            0.7274143302180687f, 0.7272727272727273f, 0.7258064516129031f,
-                            0.7252252252252251f, 0.7333333333333333f},
-                    new float[] {0.81f, 0.81f, 0.8214285714285715f, 0.6878612716763006f,
-                            0.6080402010050251f, 0.5774647887323943f, 0.5391304347826086f,
-                            0.46724890829694316f, 0.4680851063829788f, 0.462686567164179f,
-                            0.45679012345678977f, 0.4545454545454551f},
-                    new float[] {0.12f, 0.16f, 0.2196078431372549f, 0.33921568627450976f,
-                            0.39019607843137255f, 0.4176470588235294f, 0.45098039215686275f,
-                            0.5509803921568628f, 0.6313725490196078f, 0.7372549019607844f,
-                            0.8411764705882353f, 0.9352941176470588f}
-            ),
-            new TonalPalette(
-                    new float[] {0.6470588235294118f, 0.6516666666666667f, 0.6464174454828661f,
-                            0.6441441441441442f, 0.6432748538011696f, 0.6416666666666667f,
-                            0.6402439024390243f, 0.6412429378531074f, 0.6435185185185186f,
-                            0.6428571428571429f},
-                    new float[] {0.8095238095238095f, 0.6578947368421053f, 0.5721925133689839f,
-                            0.5362318840579711f, 0.5f, 0.4424778761061947f, 0.44086021505376327f,
-                            0.44360902255639095f, 0.4499999999999997f, 0.4375000000000006f},
-                    new float[] {0.16470588235294117f, 0.2980392156862745f, 0.36666666666666664f,
-                            0.40588235294117647f, 0.44705882352941173f,
-                            0.5568627450980392f, 0.6352941176470588f, 0.7392156862745098f,
-                            0.8431372549019608f, 0.9372549019607843f}
-            ),
-            new TonalPalette(
-                    new float[] {0.469f, 0.46732026143790845f, 0.4718614718614719f,
-                            0.4793650793650794f, 0.48071625344352614f, 0.4829683698296837f,
-                            0.484375f, 0.4841269841269842f, 0.48444444444444457f,
-                            0.48518518518518516f, 0.4907407407407408f},
-                    new float[] {1f, 1f, 1f, 1f, 1f, 1f, 0.6274509803921569f, 0.41832669322709176f,
-                            0.41899441340782106f, 0.4128440366972478f, 0.4090909090909088f},
-                    new float[] {0.07f, 0.1f, 0.15098039215686274f, 0.20588235294117646f,
-                            0.2372549019607843f, 0.26862745098039215f, 0.4f, 0.5078431372549019f,
-                            0.6490196078431372f, 0.7862745098039216f, 0.9137254901960784f}
-            ),
-            new TonalPalette(
-                    new float[] {0.542f, 0.5444444444444444f, 0.5555555555555556f,
-                            0.5555555555555556f, 0.553763440860215f, 0.5526315789473684f,
-                            0.5555555555555556f, 0.5555555555555555f, 0.5555555555555556f,
-                            0.5512820512820514f, 0.5666666666666667f},
-                    new float[] {0.25f, 0.24590163934426232f, 0.19148936170212766f,
-                            0.1791044776119403f, 0.18343195266272191f, 0.18446601941747576f,
-                            0.1538461538461539f, 0.15625000000000003f, 0.15328467153284678f,
-                            0.15662650602409653f, 0.151515151515151f},
-                    new float[] {0.05f, 0.1196078431372549f, 0.1843137254901961f,
-                            0.2627450980392157f,
-                            0.33137254901960783f, 0.403921568627451f, 0.5411764705882354f,
-                            0.6235294117647059f, 0.7313725490196079f, 0.8372549019607843f,
-                            0.9352941176470588f}
-            ),
-            new TonalPalette(
-                    new float[] {0.022222222222222223f, 0.02469135802469136f, 0.031249999999999997f,
-                            0.03947368421052631f, 0.04166666666666668f,
-                            0.043650793650793655f, 0.04411764705882352f, 0.04166666666666652f,
-                            0.04444444444444459f, 0.05555555555555529f},
-                    new float[] {0.33333333333333337f, 0.2783505154639175f, 0.2580645161290323f,
-                            0.25675675675675674f, 0.2528735632183908f, 0.17500000000000002f,
-                            0.15315315315315312f, 0.15189873417721522f,
-                            0.15789473684210534f, 0.15789473684210542f},
-                    new float[] {0.08823529411764705f, 0.19019607843137254f, 0.2431372549019608f,
-                            0.2901960784313725f, 0.3411764705882353f, 0.47058823529411764f,
-                            0.5647058823529412f, 0.6901960784313725f, 0.8137254901960784f,
-                            0.9254901960784314f}
-            ),
-            new TonalPalette(
-                    new float[] {0.027f, 0.03f, 0.038f, 0.044f, 0.050884955752212385f,
-                            0.07254901960784313f, 0.0934640522875817f,
-                            0.10457516339869281f, 0.11699346405228758f,
-                            0.1255813953488372f, 0.1268939393939394f, 0.12533333333333332f,
-                            0.12500000000000003f, 0.12777777777777777f},
-                    new float[] {1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f, 1f},
-                    new float[] {0.25f, 0.3f, 0.35f, 0.4f, 0.44313725490196076f, 0.5f, 0.5f, 0.5f,
-                            0.5f, 0.5784313725490196f,
-                            0.6549019607843137f, 0.7549019607843137f, 0.8509803921568627f,
-                            0.9411764705882353f}
-            )
-    };
-
-    private static final TonalPalette GREY_PALETTE = new TonalPalette(
-            new float[]{0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f},
-            new float[]{0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f},
-            new float[]{0.08f, 0.11f, 0.14901960784313725f, 0.2f, 0.2980392156862745f, 0.4f,
-                    0.4980392156862745f, 0.6196078431372549f, 0.7176470588235294f,
-                    0.8196078431372549f, 0.9176470588235294f, 0.9490196078431372f}
-    );
-
-    @SuppressWarnings("WeakerAccess")
-    static final ColorRange[] DISALLOWED_COLORS = new ColorRange[] {
-
-            // Red
-            new ColorRange(
-                    new Range<>(0f, 20f) /* H */,
-                    new Range<>(0.7f, 1f) /* S */,
-                    new Range<>(0.21f, 0.79f)) /* L */,
-            new ColorRange(
-                    new Range<>(0f, 20f),
-                    new Range<>(0.3f, 0.7f),
-                    new Range<>(0.355f, 0.653f)),
-
-            // Red Orange
-            new ColorRange(
-                    new Range<>(20f, 40f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.28f, 0.643f)),
-            new ColorRange(
-                    new Range<>(20f, 40f),
-                    new Range<>(0.3f, 0.7f),
-                    new Range<>(0.414f, 0.561f)),
-            new ColorRange(
-                    new Range<>(20f, 40f),
-                    new Range<>(0f, 3f),
-                    new Range<>(0.343f, 0.584f)),
-
-            // Orange
-            new ColorRange(
-                    new Range<>(40f, 60f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.173f, 0.349f)),
-            new ColorRange(
-                    new Range<>(40f, 60f),
-                    new Range<>(0.3f, 0.7f),
-                    new Range<>(0.233f, 0.427f)),
-            new ColorRange(
-                    new Range<>(40f, 60f),
-                    new Range<>(0f, 0.3f),
-                    new Range<>(0.231f, 0.484f)),
-
-            // Yellow 60
-            new ColorRange(
-                    new Range<>(60f, 80f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.488f, 0.737f)),
-            new ColorRange(
-                    new Range<>(60f, 80f),
-                    new Range<>(0.3f, 0.7f),
-                    new Range<>(0.673f, 0.837f)),
-
-            // Yellow Green 80
-            new ColorRange(
-                    new Range<>(80f, 100f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.469f, 0.61f)),
-
-            // Yellow green 100
-            new ColorRange(
-                    new Range<>(100f, 120f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.388f, 0.612f)),
-            new ColorRange(
-                    new Range<>(100f, 120f),
-                    new Range<>(0.3f, 0.7f),
-                    new Range<>(0.424f, 0.541f)),
-
-            // Green
-            new ColorRange(
-                    new Range<>(120f, 140f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.375f, 0.52f)),
-            new ColorRange(
-                    new Range<>(120f, 140f),
-                    new Range<>(0.3f, 0.7f),
-                    new Range<>(0.435f, 0.524f)),
-
-            // Green Blue 140
-            new ColorRange(
-                    new Range<>(140f, 160f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.496f, 0.641f)),
-
-            // Seafoam
-            new ColorRange(
-                    new Range<>(160f, 180f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.496f, 0.567f)),
-
-            // Cyan
-            new ColorRange(
-                    new Range<>(180f, 200f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.52f, 0.729f)),
-
-            // Blue
-            new ColorRange(
-                    new Range<>(220f, 240f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.396f, 0.571f)),
-            new ColorRange(
-                    new Range<>(220f, 240f),
-                    new Range<>(0.3f, 0.7f),
-                    new Range<>(0.425f, 0.551f)),
-
-            // Blue Purple 240
-            new ColorRange(
-                    new Range<>(240f, 260f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.418f, 0.639f)),
-            new ColorRange(
-                    new Range<>(220f, 240f),
-                    new Range<>(0.3f, 0.7f),
-                    new Range<>(0.441f, 0.576f)),
-
-            // Blue Purple 260
-            new ColorRange(
-                    new Range<>(260f, 280f),
-                    new Range<>(0.3f, 1f), // Bigger range
-                    new Range<>(0.461f, 0.553f)),
-
-            // Fuchsia
-            new ColorRange(
-                    new Range<>(300f, 320f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.484f, 0.588f)),
-            new ColorRange(
-                    new Range<>(300f, 320f),
-                    new Range<>(0.3f, 0.7f),
-                    new Range<>(0.48f, 0.592f)),
-
-            // Pink
-            new ColorRange(
-                    new Range<>(320f, 340f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.466f, 0.629f)),
-
-            // Soft red
-            new ColorRange(
-                    new Range<>(340f, 360f),
-                    new Range<>(0.7f, 1f),
-                    new Range<>(0.437f, 0.596f))
-    };
-
-    /**
-     * Representation of an HSL color range.
-     * <ul>
-     * <li>hsl[0] is Hue [0 .. 360)</li>
-     * <li>hsl[1] is Saturation [0...1]</li>
-     * <li>hsl[2] is Lightness [0...1]</li>
-     * </ul>
-     */
-    static class ColorRange {
-        private Range<Float> mHue;
-        private Range<Float> mSaturation;
-        private Range<Float> mLightness;
-
-        ColorRange(Range<Float> hue, Range<Float> saturation, Range<Float> lightness) {
-            mHue = hue;
-            mSaturation = saturation;
-            mLightness = lightness;
-        }
-
-        boolean containsColor(float h, float s, float l) {
-            if (!mHue.contains(h)) {
-                return false;
-            } else if (!mSaturation.contains(s)) {
-                return false;
-            } else if (!mLightness.contains(l)) {
-                return false;
-            }
-            return true;
-        }
-
-        float[] getCenter() {
-            return new float[] {
-                    mHue.getLower() + (mHue.getUpper() - mHue.getLower()) / 2f,
-                    mSaturation.getLower() + (mSaturation.getUpper() - mSaturation.getLower()) / 2f,
-                    mLightness.getLower() + (mLightness.getUpper() - mLightness.getLower()) / 2f
-            };
-        }
-
-        @Override
-        public String toString() {
-            return String.format("H: %s, S: %s, L %s", mHue, mSaturation, mLightness);
-        }
-    }
-
-    private static List<Integer> getMainColors(WallpaperColorsCompat wallpaperColors) {
-        LinkedList<Integer> colors = new LinkedList<>();
-        if (wallpaperColors.getPrimaryColor() != 0) {
-            colors.add(wallpaperColors.getPrimaryColor());
-        }
-        if (wallpaperColors.getSecondaryColor() != 0) {
-            colors.add(wallpaperColors.getSecondaryColor());
-        }
-        if (wallpaperColors.getTertiaryColor() != 0) {
-            colors.add(wallpaperColors.getTertiaryColor());
-        }
-        return colors;
-    }
-}
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperColorsCompat.java b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperColorsCompat.java
deleted file mode 100644
index d984a840d6..0000000000
--- a/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperColorsCompat.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * 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.
- */
-package com.android.launcher3.uioverrides.dynamicui;
-
-/**
- * A compatibility layer around platform implementation of WallpaperColors
- */
-public class WallpaperColorsCompat {
-
-    public static final int HINT_SUPPORTS_DARK_TEXT = 0x1;
-    public static final int HINT_SUPPORTS_DARK_THEME = 0x2;
-
-    private final int mPrimaryColor;
-    private final int mSecondaryColor;
-    private final int mTertiaryColor;
-    private final int mColorHints;
-
-    public WallpaperColorsCompat(int primaryColor, int secondaryColor, int tertiaryColor,
-            int colorHints) {
-        mPrimaryColor = primaryColor;
-        mSecondaryColor = secondaryColor;
-        mTertiaryColor = tertiaryColor;
-        mColorHints = colorHints;
-    }
-
-    public int getPrimaryColor() {
-        return mPrimaryColor;
-    }
-
-    public int getSecondaryColor() {
-        return mSecondaryColor;
-    }
-
-    public int getTertiaryColor() {
-        return mTertiaryColor;
-    }
-
-    public int getColorHints() {
-        return mColorHints;
-    }
-
-}
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompat.java b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompat.java
deleted file mode 100644
index 9dbe47cb66..0000000000
--- a/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompat.java
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * 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.
- */
-
-package com.android.launcher3.uioverrides.dynamicui;
-
-import android.content.Context;
-import android.os.Build;
-
-import androidx.annotation.Nullable;
-
-public abstract class WallpaperManagerCompat {
-
-    private static final Object sInstanceLock = new Object();
-    private static WallpaperManagerCompat sInstance;
-
-    public static WallpaperManagerCompat getInstance(Context context) {
-        synchronized (sInstanceLock) {
-            if (sInstance == null) {
-                context = context.getApplicationContext();
-
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1) {
-                    try {
-                        sInstance = new WallpaperManagerCompatVOMR1(context);
-                    } catch (Throwable e) {
-                        // The wallpaper APIs do not yet exist
-                    }
-                }
-                if (sInstance == null) {
-                    sInstance = new WallpaperManagerCompatVL(context);
-                }
-            }
-            return sInstance;
-        }
-    }
-
-
-    public abstract @Nullable WallpaperColorsCompat getWallpaperColors(int which);
-
-    public abstract void addOnColorsChangedListener(OnColorsChangedListenerCompat listener);
-
-    /**
-     * Interface definition for a callback to be invoked when colors change on a wallpaper.
-     */
-    public interface OnColorsChangedListenerCompat {
-
-        void onColorsChanged(WallpaperColorsCompat colors, int which);
-    }
-}
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVL.java b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVL.java
deleted file mode 100644
index 500fdc3608..0000000000
--- a/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVL.java
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * 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.
- */
-package com.android.launcher3.uioverrides.dynamicui;
-
-import static android.app.WallpaperManager.FLAG_SYSTEM;
-
-import static com.android.launcher3.Utilities.getDevicePrefs;
-
-import android.app.WallpaperInfo;
-import android.app.WallpaperManager;
-import android.app.job.JobInfo;
-import android.app.job.JobParameters;
-import android.app.job.JobScheduler;
-import android.app.job.JobService;
-import android.content.BroadcastReceiver;
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.content.pm.PackageManager;
-import android.content.pm.PermissionInfo;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.graphics.BitmapRegionDecoder;
-import android.graphics.Canvas;
-import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
-import android.os.Handler;
-import android.os.HandlerThread;
-import android.os.ParcelFileDescriptor;
-import android.util.Log;
-import android.util.Pair;
-
-import com.android.launcher3.icons.ColorExtractor;
-
-import java.io.IOException;
-import java.util.ArrayList;
-
-import androidx.annotation.Nullable;
-
-public class WallpaperManagerCompatVL extends WallpaperManagerCompat {
-
-    private static final String TAG = "WMCompatVL";
-
-    private static final String VERSION_PREFIX = "1,";
-    private static final String KEY_COLORS = "wallpaper_parsed_colors";
-    private static final String ACTION_EXTRACTION_COMPLETE =
-            "com.android.launcher3.uioverrides.dynamicui.WallpaperManagerCompatVL.EXTRACTION_COMPLETE";
-
-    public static final int WALLPAPER_COMPAT_JOB_ID = 1;
-
-    private final ArrayList<OnColorsChangedListenerCompat> mListeners = new ArrayList<>();
-
-    private final Context mContext;
-    private WallpaperColorsCompat mColorsCompat;
-
-    WallpaperManagerCompatVL(Context context) {
-        mContext = context;
-
-        String colors = getDevicePrefs(mContext).getString(KEY_COLORS, "");
-        int wallpaperId = -1;
-        if (colors.startsWith(VERSION_PREFIX)) {
-            Pair<Integer, WallpaperColorsCompat> storedValue = parseValue(colors);
-            wallpaperId = storedValue.first;
-            mColorsCompat = storedValue.second;
-        }
-
-        if (wallpaperId == -1 || wallpaperId != getWallpaperId(context)) {
-            reloadColors();
-        }
-        context.registerReceiver(new BroadcastReceiver() {
-            @Override
-            public void onReceive(Context context, Intent intent) {
-                reloadColors();
-            }
-        }, new IntentFilter(Intent.ACTION_WALLPAPER_CHANGED));
-
-        // Register a receiver for results
-        String permission = null;
-        // Find a permission which only we can use.
-        try {
-            for (PermissionInfo info : context.getPackageManager().getPackageInfo(
-                    context.getPackageName(),
-                    PackageManager.GET_PERMISSIONS).permissions) {
-                if ((info.protectionLevel & PermissionInfo.PROTECTION_SIGNATURE) != 0) {
-                    permission = info.name;
-                }
-            }
-        } catch (PackageManager.NameNotFoundException e) {
-            // Something went wrong. ignore
-            Log.d(TAG, "Unable to get permission info", e);
-        }
-        mContext.registerReceiver(new BroadcastReceiver() {
-            @Override
-            public void onReceive(Context context, Intent intent) {
-                handleResult(intent.getStringExtra(KEY_COLORS));
-            }
-        }, new IntentFilter(ACTION_EXTRACTION_COMPLETE), permission, new Handler());
-    }
-
-    @Nullable
-    @Override
-    public WallpaperColorsCompat getWallpaperColors(int which) {
-        return which == FLAG_SYSTEM ? mColorsCompat : null;
-    }
-
-    @Override
-    public void addOnColorsChangedListener(OnColorsChangedListenerCompat listener) {
-        mListeners.add(listener);
-    }
-
-    private void reloadColors() {
-        JobInfo job = new JobInfo.Builder(WALLPAPER_COMPAT_JOB_ID,
-                new ComponentName(mContext, ColorExtractionService.class))
-                .setMinimumLatency(0).build();
-        ((JobScheduler) mContext.getSystemService(Context.JOB_SCHEDULER_SERVICE)).schedule(job);
-    }
-
-    private void handleResult(String result) {
-        getDevicePrefs(mContext).edit().putString(KEY_COLORS, result).apply();
-        mColorsCompat = parseValue(result).second;
-        for (OnColorsChangedListenerCompat listener : mListeners) {
-            listener.onColorsChanged(mColorsCompat, FLAG_SYSTEM);
-        }
-    }
-
-    private static final int getWallpaperId(Context context) {
-        return context.getSystemService(WallpaperManager.class).getWallpaperId(FLAG_SYSTEM);
-    }
-
-    /**
-     * Parses the stored value and returns the wallpaper id and wallpaper colors.
-     */
-    private static Pair<Integer, WallpaperColorsCompat> parseValue(String value) {
-        String[] parts = value.split(",");
-        Integer wallpaperId = Integer.parseInt(parts[1]);
-        if (parts.length == 2) {
-            // There is no wallpaper color info present, eg when live wallpaper has no preview.
-            return Pair.create(wallpaperId, null);
-        }
-
-        int primary = parts.length > 2 ? Integer.parseInt(parts[2]) : 0;
-        int secondary = parts.length > 3 ? Integer.parseInt(parts[3]) : 0;
-        int tertiary = parts.length > 4 ? Integer.parseInt(parts[4]) : 0;
-
-        return Pair.create(wallpaperId, new WallpaperColorsCompat(primary, secondary, tertiary,
-                0 /* hints */));
-    }
-
-    /**
-     * Intent service to handle color extraction
-     */
-    public static class ColorExtractionService extends JobService implements Runnable {
-        private static final int MAX_WALLPAPER_EXTRACTION_AREA = 112 * 112;
-
-        private HandlerThread mWorkerThread;
-        private Handler mWorkerHandler;
-        private ColorExtractor mColorExtractor;
-
-        @Override
-        public void onCreate() {
-            super.onCreate();
-            mWorkerThread = new HandlerThread("ColorExtractionService");
-            mWorkerThread.start();
-            mWorkerHandler = new Handler(mWorkerThread.getLooper());
-            mColorExtractor = new ColorExtractor();
-        }
-
-        @Override
-        public void onDestroy() {
-            super.onDestroy();
-            mWorkerThread.quit();
-        }
-
-        @Override
-        public boolean onStartJob(final JobParameters jobParameters) {
-            mWorkerHandler.post(this);
-            return true;
-        }
-
-        @Override
-        public boolean onStopJob(JobParameters jobParameters) {
-            mWorkerHandler.removeCallbacksAndMessages(null);
-            return true;
-        }
-
-        /**
-         * Extracts the wallpaper colors and sends the result back through the receiver.
-         */
-        @Override
-        public void run() {
-            int wallpaperId = getWallpaperId(this);
-
-            Bitmap bitmap = null;
-            Drawable drawable = null;
-
-            WallpaperManager wm = WallpaperManager.getInstance(this);
-            WallpaperInfo info = wm.getWallpaperInfo();
-            if (info != null) {
-                // For live wallpaper, extract colors from thumbnail
-                drawable = info.loadThumbnail(getPackageManager());
-            } else {
-                try (ParcelFileDescriptor fd = wm.getWallpaperFile(FLAG_SYSTEM)) {
-                    BitmapRegionDecoder decoder = BitmapRegionDecoder
-                            .newInstance(fd.getFileDescriptor(), false);
-
-                    int requestedArea = decoder.getWidth() * decoder.getHeight();
-                    BitmapFactory.Options options = new BitmapFactory.Options();
-
-                    if (requestedArea > MAX_WALLPAPER_EXTRACTION_AREA) {
-                        double areaRatio =
-                                (double) requestedArea / MAX_WALLPAPER_EXTRACTION_AREA;
-                        double nearestPowOf2 =
-                                Math.floor(Math.log(areaRatio) / (2 * Math.log(2)));
-                        options.inSampleSize = (int) Math.pow(2, nearestPowOf2);
-                    }
-                    Rect region = new Rect(0, 0, decoder.getWidth(), decoder.getHeight());
-                    bitmap = decoder.decodeRegion(region, options);
-                    decoder.recycle();
-                } catch (IOException | NullPointerException e) {
-                    Log.e(TAG, "Fetching partial bitmap failed, trying old method", e);
-                }
-                if (bitmap == null) {
-                    drawable = wm.getDrawable();
-                }
-            }
-
-            if (drawable != null) {
-                // Calculate how big the bitmap needs to be.
-                // This avoids unnecessary processing and allocation inside Palette.
-                final int requestedArea = drawable.getIntrinsicWidth() *
-                        drawable.getIntrinsicHeight();
-                double scale = 1;
-                if (requestedArea > MAX_WALLPAPER_EXTRACTION_AREA) {
-                    scale = Math.sqrt(MAX_WALLPAPER_EXTRACTION_AREA / (double) requestedArea);
-                }
-                bitmap = Bitmap.createBitmap((int) (drawable.getIntrinsicWidth() * scale),
-                        (int) (drawable.getIntrinsicHeight() * scale), Bitmap.Config.ARGB_8888);
-                final Canvas bmpCanvas = new Canvas(bitmap);
-                drawable.setBounds(0, 0, bitmap.getWidth(), bitmap.getHeight());
-                drawable.draw(bmpCanvas);
-            }
-
-            String value = VERSION_PREFIX + wallpaperId;
-
-            if (bitmap != null) {
-                int color = mColorExtractor.findDominantColorByHue(bitmap,
-                        MAX_WALLPAPER_EXTRACTION_AREA);
-                value += "," + color;
-            }
-
-            // Send the result
-            sendBroadcast(new Intent(ACTION_EXTRACTION_COMPLETE)
-                    .setPackage(getPackageName())
-                    .putExtra(KEY_COLORS, value));
-        }
-    }
-}
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVOMR1.java b/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVOMR1.java
deleted file mode 100644
index f34497deba..0000000000
--- a/src_ui_overrides/com/android/launcher3/uioverrides/dynamicui/WallpaperManagerCompatVOMR1.java
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * 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.
- */
-package com.android.launcher3.uioverrides.dynamicui;
-
-import android.annotation.TargetApi;
-import android.app.WallpaperColors;
-import android.app.WallpaperManager;
-import android.app.WallpaperManager.OnColorsChangedListener;
-import android.content.Context;
-import android.graphics.Color;
-import android.util.Log;
-
-import java.lang.reflect.Method;
-
-import androidx.annotation.Nullable;
-
-@TargetApi(27)
-public class WallpaperManagerCompatVOMR1 extends WallpaperManagerCompat {
-
-    private static final String TAG = "WMCompatVOMR1";
-
-    private final WallpaperManager mWm;
-    private Method mWCColorHintsMethod;
-
-    WallpaperManagerCompatVOMR1(Context context) throws Throwable {
-        mWm = context.getSystemService(WallpaperManager.class);
-        String className = WallpaperColors.class.getName();
-        try {
-            mWCColorHintsMethod = WallpaperColors.class.getDeclaredMethod("getColorHints");
-        } catch (Exception exc) {
-            Log.e(TAG, "getColorHints not available", exc);
-        }
-    }
-
-    @Nullable
-    @Override
-    public WallpaperColorsCompat getWallpaperColors(int which) {
-        return convertColorsObject(mWm.getWallpaperColors(which));
-    }
-
-    @Override
-    public void addOnColorsChangedListener(final OnColorsChangedListenerCompat listener) {
-        OnColorsChangedListener onChangeListener = new OnColorsChangedListener() {
-            @Override
-            public void onColorsChanged(WallpaperColors colors, int which) {
-                listener.onColorsChanged(convertColorsObject(colors), which);
-            }
-        };
-        mWm.addOnColorsChangedListener(onChangeListener, null);
-    }
-
-    private WallpaperColorsCompat convertColorsObject(WallpaperColors colors) {
-        if (colors == null) {
-            return null;
-        }
-        Color primary = colors.getPrimaryColor();
-        Color secondary = colors.getSecondaryColor();
-        Color tertiary = colors.getTertiaryColor();
-        int primaryVal = primary != null ? primary.toArgb() : 0;
-        int secondaryVal = secondary != null ? secondary.toArgb() : 0;
-        int tertiaryVal = tertiary != null ? tertiary.toArgb() : 0;
-        int colorHints = 0;
-        try {
-            if (mWCColorHintsMethod != null) {
-                colorHints = (Integer) mWCColorHintsMethod.invoke(colors);
-            }
-        } catch (Exception exc) {
-            Log.e(TAG, "error calling color hints", exc);
-        }
-        return new WallpaperColorsCompat(primaryVal, secondaryVal, tertiaryVal, colorHints);
-    }
-}