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/*
* 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.graphics;
import static com.android.launcher3.graphics.IconShape.getShapePath;
import static com.android.launcher3.util.MainThreadInitializedObject.forOverride;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.Process;
import android.os.UserHandle;
import android.util.ArrayMap;
import androidx.annotation.UiThread;
import com.android.launcher3.FastBitmapDrawable;
import com.android.launcher3.ItemInfoWithIcon;
import com.android.launcher3.R;
import com.android.launcher3.icons.BitmapInfo;
import com.android.launcher3.util.MainThreadInitializedObject;
import com.android.launcher3.util.ResourceBasedOverride;
/**
* Factory for creating new drawables.
*/
public class DrawableFactory implements ResourceBasedOverride {
public static final MainThreadInitializedObject<DrawableFactory> INSTANCE =
forOverride(DrawableFactory.class, R.string.drawable_factory_class);
protected final UserHandle mMyUser = Process.myUserHandle();
protected final ArrayMap<UserHandle, Bitmap> mUserBadges = new ArrayMap<>();
/**
* Returns a FastBitmapDrawable with the icon.
*/
public FastBitmapDrawable newIcon(Context context, ItemInfoWithIcon info) {
FastBitmapDrawable drawable = info.usingLowResIcon()
? new PlaceHolderIconDrawable(info, getShapePath(), context)
: new FastBitmapDrawable(info);
drawable.setIsDisabled(info.isDisabled());
return drawable;
}
public FastBitmapDrawable newIcon(Context context, BitmapInfo info, ActivityInfo target) {
return info.isLowRes()
? new PlaceHolderIconDrawable(info, getShapePath(), context)
: new FastBitmapDrawable(info);
}
/**
* Returns a FastBitmapDrawable with the icon.
*/
public PreloadIconDrawable newPendingIcon(Context context, ItemInfoWithIcon info) {
return new PreloadIconDrawable(info, getShapePath(), context);
}
/**
* Returns a drawable that can be used as a badge for the user or null.
*/
@UiThread
public Drawable getBadgeForUser(UserHandle user, Context context, int badgeSize) {
if (mMyUser.equals(user)) {
return null;
}
Bitmap badgeBitmap = getUserBadge(user, context, badgeSize);
FastBitmapDrawable d = new FastBitmapDrawable(badgeBitmap);
d.setFilterBitmap(true);
d.setBounds(0, 0, badgeBitmap.getWidth(), badgeBitmap.getHeight());
return d;
}
protected synchronized Bitmap getUserBadge(UserHandle user, Context context, int badgeSize) {
Bitmap badgeBitmap = mUserBadges.get(user);
if (badgeBitmap != null) {
return badgeBitmap;
}
final Resources res = context.getApplicationContext().getResources();
badgeBitmap = Bitmap.createBitmap(badgeSize, badgeSize, Bitmap.Config.ARGB_8888);
Drawable drawable = context.getPackageManager().getUserBadgedDrawableForDensity(
new BitmapDrawable(res, badgeBitmap), user, new Rect(0, 0, badgeSize, badgeSize),
0);
if (drawable instanceof BitmapDrawable) {
badgeBitmap = ((BitmapDrawable) drawable).getBitmap();
} else {
badgeBitmap.eraseColor(Color.TRANSPARENT);
Canvas c = new Canvas(badgeBitmap);
drawable.setBounds(0, 0, badgeSize, badgeSize);
drawable.draw(c);
c.setBitmap(null);
}
mUserBadges.put(user, badgeBitmap);
return badgeBitmap;
}
}
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