Sunny Goyal
d954229d1a
Bug: 261625158 Test: Verified on device Change-Id: Ibda922fd2c9c0a856ea02a8e73f43af8573f2450
115 lines
3.5 KiB
Java
115 lines
3.5 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.icons;
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import static com.android.launcher3.config.FeatureFlags.ENABLE_FORCED_MONO_ICON;
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import android.content.Context;
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import android.graphics.drawable.Drawable;
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import com.android.launcher3.InvariantDeviceProfile;
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import com.android.launcher3.graphics.IconShape;
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import com.android.launcher3.graphics.LauncherPreviewRenderer;
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import com.android.launcher3.util.Themes;
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/**
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* Wrapper class to provide access to {@link BaseIconFactory} and also to provide pool of this class
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* that are threadsafe.
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*/
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public class LauncherIcons extends BaseIconFactory implements AutoCloseable {
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private static final Object sPoolSync = new Object();
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private static LauncherIcons sPool;
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private static int sPoolId = 0;
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/**
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* Return a new Message instance from the global pool. Allows us to
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* avoid allocating new objects in many cases.
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*/
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public static LauncherIcons obtain(Context context) {
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if (context instanceof LauncherPreviewRenderer.PreviewContext) {
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return ((LauncherPreviewRenderer.PreviewContext) context).newLauncherIcons(context);
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}
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int poolId;
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synchronized (sPoolSync) {
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if (sPool != null) {
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LauncherIcons m = sPool;
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sPool = m.next;
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m.next = null;
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return m;
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}
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poolId = sPoolId;
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}
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InvariantDeviceProfile idp = InvariantDeviceProfile.INSTANCE.get(context);
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return new LauncherIcons(context, idp.fillResIconDpi, idp.iconBitmapSize, poolId);
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}
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public static void clearPool() {
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synchronized (sPoolSync) {
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sPool = null;
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sPoolId++;
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}
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}
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private final int mPoolId;
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private LauncherIcons next;
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private MonochromeIconFactory mMonochromeIconFactory;
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protected LauncherIcons(Context context, int fillResIconDpi, int iconBitmapSize, int poolId) {
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super(context, fillResIconDpi, iconBitmapSize, IconShape.getShape().enableShapeDetection());
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mMonoIconEnabled = Themes.isThemedIconEnabled(context);
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mPoolId = poolId;
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}
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/**
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* Recycles a LauncherIcons that may be in-use.
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*/
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public void recycle() {
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synchronized (sPoolSync) {
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if (sPoolId != mPoolId) {
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return;
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}
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// Clear any temporary state variables
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clear();
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next = sPool;
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sPool = this;
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}
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}
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@Override
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protected Drawable getMonochromeDrawable(Drawable base) {
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Drawable mono = super.getMonochromeDrawable(base);
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if (mono != null || !ENABLE_FORCED_MONO_ICON.get()) {
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return mono;
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}
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if (mMonochromeIconFactory == null) {
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mMonochromeIconFactory = new MonochromeIconFactory(mIconBitmapSize);
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}
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return mMonochromeIconFactory.wrap(base);
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}
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@Override
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public void close() {
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recycle();
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}
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}
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