Revert "Revert "Revert "Revert "Revert "cache shourtcut image"""""

This reverts commit 28dc8de660be05800bfb21c5f4c7f709a5c9cb1f.

Reason for revert: the code change introduces significant delay when saving deep shortcut icons in cache.

Change-Id: I5d67ac0c4c867a40e882b7a46be446f8f7f63ac7
diff --git a/iconloaderlib/src/com/android/launcher3/icons/cache/CachingLogic.java b/iconloaderlib/src/com/android/launcher3/icons/cache/CachingLogic.java
index 3aa783a..e40a9c2 100644
--- a/iconloaderlib/src/com/android/launcher3/icons/cache/CachingLogic.java
+++ b/iconloaderlib/src/com/android/launcher3/icons/cache/CachingLogic.java
@@ -17,7 +17,6 @@
 
 import android.content.ComponentName;
 import android.content.Context;
-import android.content.pm.PackageInfo;
 import android.os.LocaleList;
 import android.os.UserHandle;
 
@@ -44,13 +43,6 @@
     }
 
     /**
-     * Returns the timestamp the entry was last updated in cache.
-     */
-    default long getLastUpdatedTime(T object, PackageInfo info) {
-        return info.lastUpdateTime;
-    }
-
-    /**
      * Returns true the object should be added to mem cache; otherwise returns false.
      */
     default boolean addToMemCache() {
diff --git a/iconloaderlib/src/com/android/launcher3/icons/cache/IconCacheUpdateHandler.java b/iconloaderlib/src/com/android/launcher3/icons/cache/IconCacheUpdateHandler.java
index bcdbce5..8224966 100644
--- a/iconloaderlib/src/com/android/launcher3/icons/cache/IconCacheUpdateHandler.java
+++ b/iconloaderlib/src/com/android/launcher3/icons/cache/IconCacheUpdateHandler.java
@@ -171,8 +171,7 @@
                 long updateTime = c.getLong(indexLastUpdate);
                 int version = c.getInt(indexVersion);
                 T app = componentMap.remove(component);
-                if (version == info.versionCode
-                        && updateTime == cachingLogic.getLastUpdatedTime(app, info)
+                if (version == info.versionCode && updateTime == info.lastUpdateTime
                         && TextUtils.equals(c.getString(systemStateIndex),
                                 mIconCache.getIconSystemState(info.packageName))) {
 
@@ -232,6 +231,7 @@
         }
     }
 
+
     /**
      * A runnable that updates invalid icons and adds missing icons in the DB for the provided
      * LauncherActivityInfo list. Items are updated/added one at a time, so that the
diff --git a/src/com/android/launcher3/icons/IconCache.java b/src/com/android/launcher3/icons/IconCache.java
index ad01f9f..9886f53 100644
--- a/src/com/android/launcher3/icons/IconCache.java
+++ b/src/com/android/launcher3/icons/IconCache.java
@@ -28,7 +28,6 @@
 import android.content.pm.PackageInstaller;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
-import android.content.pm.ShortcutInfo;
 import android.graphics.drawable.Drawable;
 import android.os.Handler;
 import android.os.Process;
@@ -51,7 +50,6 @@
 import com.android.launcher3.icons.cache.CachingLogic;
 import com.android.launcher3.icons.cache.HandlerRunnable;
 import com.android.launcher3.model.PackageItemInfo;
-import com.android.launcher3.shortcuts.ShortcutKey;
 import com.android.launcher3.util.InstantAppResolver;
 import com.android.launcher3.util.PackageUserKey;
 import com.android.launcher3.util.Preconditions;
@@ -67,7 +65,6 @@
 
     private final CachingLogic<ComponentWithLabel> mComponentWithLabelCachingLogic;
     private final CachingLogic<LauncherActivityInfo> mLauncherActivityInfoCachingLogic;
-    private final CachingLogic<ShortcutInfo> mShortcutCachingLogic;
 
     private final LauncherApps mLauncherApps;
     private final UserManagerCompat mUserManager;
@@ -81,7 +78,6 @@
                 inv.fillResIconDpi, inv.iconBitmapSize, true /* inMemoryCache */);
         mComponentWithLabelCachingLogic = new ComponentCachingLogic(context, false);
         mLauncherActivityInfoCachingLogic = LauncherActivityCachingLogic.newInstance(context);
-        mShortcutCachingLogic = new ShortcutCachingLogic();
         mLauncherApps = mContext.getSystemService(LauncherApps.class);
         mUserManager = UserManagerCompat.getInstance(mContext);
         mInstantAppResolver = InstantAppResolver.newInstance(mContext);
@@ -180,14 +176,6 @@
     }
 
     /**
-     * Fill in info with the icon and label for deep shortcut.
-     */
-    public synchronized CacheEntry getDeepShortcutTitleAndIcon(ShortcutInfo info) {
-        return cacheLocked(ShortcutKey.fromInfo(info).componentName, info.getUserHandle(),
-                () -> info, mShortcutCachingLogic, false, false);
-    }
-
-    /**
      * Fill in {@param info} with the icon and label. If the
      * corresponding activity is not found, it reverts to the package icon.
      */
diff --git a/src/com/android/launcher3/icons/LauncherIcons.java b/src/com/android/launcher3/icons/LauncherIcons.java
index c6949af..adc92c4 100644
--- a/src/com/android/launcher3/icons/LauncherIcons.java
+++ b/src/com/android/launcher3/icons/LauncherIcons.java
@@ -21,6 +21,7 @@
 import android.content.Intent;
 import android.content.pm.ShortcutInfo;
 import android.graphics.Bitmap;
+import android.graphics.drawable.Drawable;
 import android.os.Process;
 
 import androidx.annotation.Nullable;
@@ -32,8 +33,8 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.R;
 import com.android.launcher3.graphics.IconShape;
-import com.android.launcher3.icons.cache.BaseIconCache;
 import com.android.launcher3.model.PackageItemInfo;
+import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.util.Themes;
 
 import java.util.function.Supplier;
@@ -125,12 +126,13 @@
 
     public BitmapInfo createShortcutIcon(ShortcutInfo shortcutInfo,
             boolean badged, @Nullable Supplier<ItemInfoWithIcon> fallbackIconProvider) {
+        Drawable unbadgedDrawable = DeepShortcutManager.getInstance(mContext)
+                .getShortcutIconDrawable(shortcutInfo, mFillResIconDpi);
         IconCache cache = LauncherAppState.getInstance(mContext).getIconCache();
-        BaseIconCache.CacheEntry entry = cache.getDeepShortcutTitleAndIcon(shortcutInfo);
 
         final Bitmap unbadgedBitmap;
-        if (entry.icon != null) {
-            unbadgedBitmap = entry.icon;
+        if (unbadgedDrawable != null) {
+            unbadgedBitmap = createScaledBitmapWithoutShadow(unbadgedDrawable, 0);
         } else {
             if (fallbackIconProvider != null) {
                 // Fallback icons are already badged and with appropriate shadow
diff --git a/src/com/android/launcher3/icons/ShortcutCachingLogic.java b/src/com/android/launcher3/icons/ShortcutCachingLogic.java
deleted file mode 100644
index 5d696fd..0000000
--- a/src/com/android/launcher3/icons/ShortcutCachingLogic.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.icons;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.pm.PackageInfo;
-import android.content.pm.ShortcutInfo;
-import android.graphics.drawable.Drawable;
-import android.os.UserHandle;
-
-import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.icons.cache.CachingLogic;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
-import com.android.launcher3.shortcuts.ShortcutKey;
-
-/**
- * Caching logic for shortcuts.
- */
-public class ShortcutCachingLogic implements CachingLogic<ShortcutInfo> {
-
-    @Override
-    public ComponentName getComponent(ShortcutInfo info) {
-        return ShortcutKey.fromInfo(info).componentName;
-    }
-
-    @Override
-    public UserHandle getUser(ShortcutInfo info) {
-        return info.getUserHandle();
-    }
-
-    @Override
-    public CharSequence getLabel(ShortcutInfo info) {
-        return info.getShortLabel();
-    }
-
-    @Override
-    public void loadIcon(Context context, ShortcutInfo info, BitmapInfo target) {
-        LauncherIcons li = LauncherIcons.obtain(context);
-        Drawable unbadgedDrawable = DeepShortcutManager.getInstance(context)
-                .getShortcutIconDrawable(info, LauncherAppState.getIDP(context).fillResIconDpi);
-        if (unbadgedDrawable != null) {
-            target.icon = li.createScaledBitmapWithoutShadow(unbadgedDrawable, 0);
-        }
-        li.recycle();
-    }
-
-    @Override
-    public long getLastUpdatedTime(ShortcutInfo shortcutInfo, PackageInfo info) {
-        if (shortcutInfo == null) return info.lastUpdateTime;
-        return Math.max(shortcutInfo.getLastChangedTimestamp(), info.lastUpdateTime);
-    }
-
-    @Override
-    public boolean addToMemCache() {
-        return false;
-    }
-}
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 81b701d..04f15fc 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -63,7 +63,6 @@
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.icons.LauncherActivityCachingLogic;
 import com.android.launcher3.icons.LauncherIcons;
-import com.android.launcher3.icons.ShortcutCachingLogic;
 import com.android.launcher3.icons.cache.IconCacheUpdateHandler;
 import com.android.launcher3.logging.FileLog;
 import com.android.launcher3.pm.PackageInstallInfo;
@@ -192,8 +191,7 @@
                 }
                 : new TimingLogger(TAG, "run");
         try (LauncherModel.LoaderTransaction transaction = mApp.getModel().beginLoader(this)) {
-            List<ShortcutInfo> allShortcuts = new ArrayList<>();
-            loadWorkspace(allShortcuts);
+            loadWorkspace();
             logger.addSplit("loadWorkspace");
 
             verifyNotStopped();
@@ -225,29 +223,19 @@
                     mApp.getModel()::onPackageIconsUpdated);
             logger.addSplit("update icon cache");
 
-            verifyNotStopped();
-            logger.addSplit("save shortcuts in icon cache");
-            updateHandler.updateIcons(allShortcuts, new ShortcutCachingLogic(),
-                    mApp.getModel()::onPackageIconsUpdated);
-
             // Take a break
             waitForIdle();
             logger.addSplit("step 2 complete");
             verifyNotStopped();
 
             // third step
-            List<ShortcutInfo> allDeepShortcuts = loadDeepShortcuts();
+            loadDeepShortcuts();
             logger.addSplit("loadDeepShortcuts");
 
             verifyNotStopped();
             mResults.bindDeepShortcuts();
             logger.addSplit("bindDeepShortcuts");
 
-            verifyNotStopped();
-            logger.addSplit("save deep shortcuts in icon cache");
-            updateHandler.updateIcons(allDeepShortcuts,
-                    new ShortcutCachingLogic(), (pkgs, user) -> { });
-
             // Take a break
             waitForIdle();
             logger.addSplit("step 3 complete");
@@ -289,7 +277,7 @@
         this.notify();
     }
 
-    private void loadWorkspace(List<ShortcutInfo> allDeepShortcuts) {
+    private void loadWorkspace() {
         final Context context = mApp.getContext();
         final ContentResolver contentResolver = context.getContentResolver();
         final PackageManagerHelper pmHelper = new PackageManagerHelper(context);
@@ -544,7 +532,6 @@
                                         info.runtimeStatusFlags |= FLAG_DISABLED_SUSPENDED;
                                     }
                                     intent = info.intent;
-                                    allDeepShortcuts.add(pinnedShortcut);
                                 } else {
                                     // Create a shortcut info in disabled mode for now.
                                     info = c.loadSimpleWorkspaceItem();
@@ -893,8 +880,7 @@
         return allActivityList;
     }
 
-    private List<ShortcutInfo> loadDeepShortcuts() {
-        List<ShortcutInfo> allShortcuts = new ArrayList<>();
+    private void loadDeepShortcuts() {
         mBgDataModel.deepShortcutMap.clear();
         mBgDataModel.hasShortcutHostPermission = mShortcutManager.hasHostPermission();
         if (mBgDataModel.hasShortcutHostPermission) {
@@ -902,12 +888,10 @@
                 if (mUserManager.isUserUnlocked(user)) {
                     List<ShortcutInfo> shortcuts =
                             mShortcutManager.queryForAllShortcuts(user);
-                    allShortcuts.addAll(shortcuts);
                     mBgDataModel.updateDeepShortcutCounts(null, user, shortcuts);
                 }
             }
         }
-        return allShortcuts;
     }
 
     public static boolean isValidProvider(AppWidgetProviderInfo provider) {