Badging shortcuts with app icons

Change-Id: I3fa005ece20a54b31f823acb28c384ecdf1eafb1

src/com/android/launcher3/ShortcutInfo.java

@@ -28,7 +28,6 @@ import android.text.TextUtils;
 
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.compat.LauncherActivityInfoCompat;
-import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.compat.UserHandleCompat;
 import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.folder.FolderIcon;
@@ -295,16 +294,33 @@ public class ShortcutInfo extends ItemInfo {
         contentDescription = UserManagerCompat.getInstance(context)
                 .getBadgedLabelForUser(label, user);
 
+        // TODO: Use cache for this
         LauncherAppState launcherAppState = LauncherAppState.getInstance();
-        Drawable unbadgedIcon = launcherAppState.getShortcutManager()
+        Drawable unbadgedDrawable = launcherAppState.getShortcutManager()
                 .getShortcutIconDrawable(shortcutInfo,
                         launcherAppState.getInvariantDeviceProfile().fillResIconDpi);
-        Bitmap icon = unbadgedIcon == null ? null : getBadgedIcon(unbadgedIcon, context);
-        setIcon(icon != null ? icon : launcherAppState.getIconCache().getDefaultIcon(user));
+
+        IconCache cache = launcherAppState.getIconCache();
+        Bitmap unbadgedBitmap = unbadgedDrawable == null
+                ? cache.getDefaultIcon(UserHandleCompat.myUserHandle())
+                : Utilities.createScaledBitmapWithoutShadow(unbadgedDrawable, context);
+        setIcon(getBadgedIcon(unbadgedBitmap, shortcutInfo, cache, context));
     }
 
-    protected Bitmap getBadgedIcon(Drawable unbadgedIcon, Context context) {
-        return Utilities.createBadgedIconBitmapWithShadow(unbadgedIcon, user, context);
+    protected Bitmap getBadgedIcon(Bitmap unbadgedBitmap, ShortcutInfoCompat shortcutInfo,
+            IconCache cache, Context context) {
+        unbadgedBitmap = Utilities.addShadowToIcon(unbadgedBitmap);
+        // Get the app info for the source activity.
+        AppInfo appInfo = new AppInfo();
+        appInfo.user = user;
+        appInfo.componentName = shortcutInfo.getActivity();
+        try {
+            cache.getTitleAndIcon(appInfo, shortcutInfo.getActivityInfo(context), false);
+        } catch (NullPointerException e) {
+            // This may happen when we fail to load the activity info. Worst case ignore badging.
+            return Utilities.badgeIconForUser(unbadgedBitmap, user, context);
+        }
+        return Utilities.badgeWithBitmap(unbadgedBitmap, appInfo.iconBitmap, context);
     }
 
     /** Returns the ShortcutInfo id associated with the deep shortcut. */

src/com/android/launcher3/Utilities.java

@@ -248,9 +248,16 @@ public final class Utilities {
         float scale = FeatureFlags.LAUNCHER3_DISABLE_ICON_NORMALIZATION ?
                 1 : IconNormalizer.getInstance().getScale(icon, null);
         Bitmap bitmap = createIconBitmap(icon, context, scale);
+        return badgeIconForUser(bitmap, user, context);
+    }
+
+    /**
+     * Badges the provided icon with the user badge if required.
+     */
+    public static Bitmap badgeIconForUser(Bitmap icon,  UserHandleCompat user, Context context) {
         if (Utilities.ATLEAST_LOLLIPOP && user != null
                 && !UserHandleCompat.myUserHandle().equals(user)) {
-            BitmapDrawable drawable = new FixedSizeBitmapDrawable(bitmap);
+            BitmapDrawable drawable = new FixedSizeBitmapDrawable(icon);
             Drawable badged = context.getPackageManager().getUserBadgedIcon(
                     drawable, user.getUser());
             if (badged instanceof BitmapDrawable) {
@@ -259,7 +266,7 @@ public final class Utilities {
                 return createIconBitmap(badged, context);
             }
         } else {
-            return bitmap;
+            return icon;
         }
     }
 
@@ -276,26 +283,28 @@ public final class Utilities {
     }
 
     /**
-     * Same as {@link #createBadgedIconBitmap} but adds a shadow before badging the icon
+     * Adds a shadow to the provided icon. It assumes that the icon has already been scaled using
+     * {@link #createScaledBitmapWithoutShadow(Drawable, Context)}
+     */
+    public static Bitmap addShadowToIcon(Bitmap icon) {
+        return ShadowGenerator.getInstance().recreateIcon(icon);
+    }
+
+    /**
+     * Adds the {@param badge} on top of {@param srcTgt} using the badge dimensions.
      */
     @TargetApi(Build.VERSION_CODES.LOLLIPOP)
-    public static Bitmap createBadgedIconBitmapWithShadow(
-            Drawable icon, UserHandleCompat user, Context context) {
-        Bitmap bitmap = ShadowGenerator.getInstance().recreateIcon(
-                createScaledBitmapWithoutShadow(icon, context));
-        if (Utilities.ATLEAST_LOLLIPOP && user != null
-                && !UserHandleCompat.myUserHandle().equals(user)) {
-            BitmapDrawable drawable = new FixedSizeBitmapDrawable(bitmap);
-            Drawable badged = context.getPackageManager().getUserBadgedIcon(
-                    drawable, user.getUser());
-            if (badged instanceof BitmapDrawable) {
-                return ((BitmapDrawable) badged).getBitmap();
-            } else {
-                return createIconBitmap(badged, context);
-            }
-        } else {
-            return bitmap;
+    public static Bitmap badgeWithBitmap(Bitmap srcTgt, Bitmap badge, Context context) {
+        int badgeSize = context.getResources().getDimensionPixelSize(R.dimen.profile_badge_size);
+        synchronized (sCanvas) {
+            sCanvas.setBitmap(srcTgt);
+            sCanvas.drawBitmap(badge, new Rect(0, 0, badge.getWidth(), badge.getHeight()),
+                    new Rect(srcTgt.getWidth() - badgeSize,
+                            srcTgt.getHeight() - badgeSize, srcTgt.getWidth(), srcTgt.getHeight()),
+                    new Paint(Paint.FILTER_BITMAP_FLAG));
+            sCanvas.setBitmap(null);
         }
+        return srcTgt;
     }
 
     /**

src/com/android/launcher3/compat/DeferredLauncherActivityInfo.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.compat;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.graphics.drawable.Drawable;
+import android.util.Log;
+
+/**
+ * {@link LauncherActivityInfoCompat} which loads its data only when needed.
+ */
+public class DeferredLauncherActivityInfo extends LauncherActivityInfoCompat {
+
+    private final ComponentName mComponent;
+    private final UserHandleCompat mUser;
+    private final Context mContext;
+
+    private LauncherActivityInfoCompat mActualInfo;
+
+    public DeferredLauncherActivityInfo(
+            ComponentName component, UserHandleCompat user, Context context) {
+        mComponent = component;
+        mUser = user;
+        mContext = context;
+    }
+
+    @Override
+    public ComponentName getComponentName() {
+        return mComponent;
+    }
+
+    @Override
+    public UserHandleCompat getUser() {
+        return mUser;
+    }
+
+    private synchronized LauncherActivityInfoCompat getActualInfo() {
+        if (mActualInfo == null) {
+            Intent intent = new Intent(Intent.ACTION_MAIN)
+                    .addCategory(Intent.CATEGORY_LAUNCHER)
+                    .setComponent(mComponent);
+            mActualInfo = LauncherAppsCompat.getInstance(mContext).resolveActivity(intent, mUser);
+        }
+        return mActualInfo;
+    }
+
+    @Override
+    public CharSequence getLabel() {
+        return getActualInfo().getLabel();
+    }
+
+    @Override
+    public Drawable getIcon(int density) {
+        return getActualInfo().getIcon(density);
+    }
+
+    @Override
+    public ApplicationInfo getApplicationInfo() {
+        return getActualInfo().getApplicationInfo();
+    }
+
+    @Override
+    public long getFirstInstallTime() {
+        return getActualInfo().getFirstInstallTime();
+    }
+}

src/com/android/launcher3/shortcuts/DeepShortcutsContainer.java

@@ -46,6 +46,7 @@ import android.widget.LinearLayout;
 import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.DragSource;
 import com.android.launcher3.DropTarget;
+import com.android.launcher3.IconCache;
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAnimUtils;
@@ -761,8 +762,9 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
         }
 
         @Override
-        protected Bitmap getBadgedIcon(Drawable unbadgedIcon, Context context) {
-            return Utilities.createScaledBitmapWithoutShadow(unbadgedIcon, context);
+        protected Bitmap getBadgedIcon(Bitmap unbadgedBitmap, ShortcutInfoCompat shortcutInfo,
+                IconCache cache, Context context) {
+            return unbadgedBitmap;
         }
     }
 }

src/com/android/launcher3/shortcuts/ShortcutInfoCompat.java

@@ -24,6 +24,8 @@ import android.content.pm.ShortcutInfo;
 import android.os.Build;
 
 import com.android.launcher3.ItemInfo;
+import com.android.launcher3.compat.DeferredLauncherActivityInfo;
+import com.android.launcher3.compat.LauncherActivityInfoCompat;
 import com.android.launcher3.compat.UserHandleCompat;
 import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.util.ComponentKey;
@@ -109,4 +111,8 @@ public class ShortcutInfoCompat {
     public String toString() {
         return mShortcutInfo.toString();
     }
+
+    public LauncherActivityInfoCompat getActivityInfo(Context context) {
+        return new DeferredLauncherActivityInfo(getActivity(), getUserHandle(), context);
+    }
 }