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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 android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Path;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.Process;
import android.os.UserHandle;
import android.support.annotation.UiThread;
import android.util.ArrayMap;
import android.util.Log;
import com.android.launcher3.FastBitmapDrawable;
import com.android.launcher3.ItemInfo;
import com.android.launcher3.R;
import com.android.launcher3.Utilities;
import com.android.launcher3.allapps.AllAppsBackgroundDrawable;
/**
* Factory for creating new drawables.
*/
public class DrawableFactory {
private static final String TAG = "DrawableFactory";
private static DrawableFactory sInstance;
private static final Object LOCK = new Object();
private Path mPreloadProgressPath;
public static DrawableFactory get(Context context) {
synchronized (LOCK) {
if (sInstance == null) {
sInstance = Utilities.getOverrideObject(DrawableFactory.class,
context.getApplicationContext(), R.string.drawable_factory_class);
}
return sInstance;
}
}
protected final UserHandle mMyUser = Process.myUserHandle();
protected final ArrayMap<UserHandle, Bitmap> mUserBadges = new ArrayMap<>();
/**
* Returns a FastBitmapDrawable with the icon.
*/
public FastBitmapDrawable newIcon(Bitmap icon, ItemInfo info) {
return new FastBitmapDrawable(icon);
}
/**
* Returns a FastBitmapDrawable with the icon.
*/
public PreloadIconDrawable newPendingIcon(Bitmap icon, Context context) {
if (mPreloadProgressPath == null) {
mPreloadProgressPath = getPreloadProgressPath(context);
}
return new PreloadIconDrawable(icon, mPreloadProgressPath, context);
}
protected Path getPreloadProgressPath(Context context) {
if (Utilities.isAtLeastO()) {
try {
// Try to load the path from Mask Icon
Drawable icon = context.getDrawable(R.drawable.adaptive_icon_drawable_wrapper);
icon.setBounds(0, 0,
PreloadIconDrawable.PATH_SIZE, PreloadIconDrawable.PATH_SIZE);
return (Path) icon.getClass().getMethod("getIconMask").invoke(icon);
} catch (Exception e) {
Log.e(TAG, "Error loading mask icon", e);
}
}
// Create a circle static from top center and going clockwise.
Path p = new Path();
p.moveTo(PreloadIconDrawable.PATH_SIZE / 2, 0);
p.addArc(0, 0, PreloadIconDrawable.PATH_SIZE, PreloadIconDrawable.PATH_SIZE, -90, 360);
return p;
}
public AllAppsBackgroundDrawable getAllAppsBackground(Context context) {
return new AllAppsBackgroundDrawable(context);
}
/**
* Returns a drawable that can be used as a badge for the user or null.
*/
@UiThread
public Drawable getBadgeForUser(UserHandle user, Context context) {
if (mMyUser.equals(user)) {
return null;
}
Bitmap badgeBitmap = getUserBadge(user, context);
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) {
Bitmap badgeBitmap = mUserBadges.get(user);
if (badgeBitmap != null) {
return badgeBitmap;
}
final Resources res = context.getApplicationContext().getResources();
int badgeSize = res.getDimensionPixelSize(R.dimen.profile_badge_size);
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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