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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.icons;
import static com.android.launcher3.config.FeatureFlags.ENABLE_FORCED_MONO_ICON;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.os.UserHandle;
import androidx.annotation.NonNull;
import com.android.launcher3.InvariantDeviceProfile;
import com.android.launcher3.graphics.IconShape;
import com.android.launcher3.graphics.LauncherPreviewRenderer;
import com.android.launcher3.pm.UserCache;
import com.android.launcher3.util.Themes;
import com.android.launcher3.util.UserIconInfo;
/**
* Wrapper class to provide access to {@link BaseIconFactory} and also to provide pool of this class
* that are threadsafe.
*/
public class LauncherIcons extends BaseIconFactory implements AutoCloseable {
private static final Object sPoolSync = new Object();
private static LauncherIcons sPool;
private static int sPoolId = 0;
/**
* Return a new Message instance from the global pool. Allows us to
* avoid allocating new objects in many cases.
*/
public static LauncherIcons obtain(Context context) {
if (context instanceof LauncherPreviewRenderer.PreviewContext) {
return ((LauncherPreviewRenderer.PreviewContext) context).newLauncherIcons(context);
}
int poolId;
synchronized (sPoolSync) {
if (sPool != null) {
LauncherIcons m = sPool;
sPool = m.next;
m.next = null;
return m;
}
poolId = sPoolId;
}
InvariantDeviceProfile idp = InvariantDeviceProfile.INSTANCE.get(context);
return new LauncherIcons(context, idp.fillResIconDpi, idp.iconBitmapSize, poolId);
}
public static void clearPool() {
synchronized (sPoolSync) {
sPool = null;
sPoolId++;
}
}
private final int mPoolId;
private LauncherIcons next;
private MonochromeIconFactory mMonochromeIconFactory;
protected LauncherIcons(Context context, int fillResIconDpi, int iconBitmapSize, int poolId) {
super(context, fillResIconDpi, iconBitmapSize, IconShape.getShape().enableShapeDetection());
mMonoIconEnabled = Themes.isThemedIconEnabled(context);
mPoolId = poolId;
}
/**
* Recycles a LauncherIcons that may be in-use.
*/
public void recycle() {
synchronized (sPoolSync) {
if (sPoolId != mPoolId) {
return;
}
// Clear any temporary state variables
clear();
next = sPool;
sPool = this;
}
}
@Override
protected Drawable getMonochromeDrawable(Drawable base) {
Drawable mono = super.getMonochromeDrawable(base);
if (mono != null || !ENABLE_FORCED_MONO_ICON.get()) {
return mono;
}
if (mMonochromeIconFactory == null) {
mMonochromeIconFactory = new MonochromeIconFactory(mIconBitmapSize);
}
return mMonochromeIconFactory.wrap(base);
}
@NonNull
@Override
protected UserIconInfo getUserInfo(@NonNull UserHandle user) {
return UserCache.INSTANCE.get(mContext).getUserInfo(user);
}
@Override
public void close() {
recycle();
}
}
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