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/*
* Copyright (C) 2017 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 android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import androidx.annotation.IntDef;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.android.launcher3.util.FlagOp;
public class BitmapInfo {
static final int FLAG_WORK = 1 << 0;
static final int FLAG_INSTANT = 1 << 1;
static final int FLAG_CLONE = 1 << 2;
static final int FLAG_PRIVATE = 1 << 3;
@IntDef(flag = true, value = {
FLAG_WORK,
FLAG_INSTANT,
FLAG_CLONE,
FLAG_PRIVATE
})
@interface BitmapInfoFlags {}
public static final int FLAG_THEMED = 1 << 0;
public static final int FLAG_NO_BADGE = 1 << 1;
@IntDef(flag = true, value = {
FLAG_THEMED,
FLAG_NO_BADGE,
})
public @interface DrawableCreationFlags {}
public static final Bitmap LOW_RES_ICON = Bitmap.createBitmap(1, 1, Config.ALPHA_8);
public static final BitmapInfo LOW_RES_INFO = fromBitmap(LOW_RES_ICON);
public static final String TAG = "BitmapInfo";
public final Bitmap icon;
public final int color;
@Nullable
protected Bitmap mMono;
protected Bitmap mWhiteShadowLayer;
public @BitmapInfoFlags int flags;
private BitmapInfo badgeInfo;
public BitmapInfo(Bitmap icon, int color) {
this.icon = icon;
this.color = color;
}
public BitmapInfo withBadgeInfo(BitmapInfo badgeInfo) {
BitmapInfo result = clone();
result.badgeInfo = badgeInfo;
return result;
}
/**
* Returns a bitmapInfo with the flagOP applied
*/
public BitmapInfo withFlags(@NonNull FlagOp op) {
if (op == FlagOp.NO_OP) {
return this;
}
BitmapInfo result = clone();
result.flags = op.apply(result.flags);
return result;
}
protected BitmapInfo copyInternalsTo(BitmapInfo target) {
target.mMono = mMono;
target.mWhiteShadowLayer = mWhiteShadowLayer;
target.flags = flags;
target.badgeInfo = badgeInfo;
return target;
}
@Override
public BitmapInfo clone() {
return copyInternalsTo(new BitmapInfo(icon, color));
}
public void setMonoIcon(Bitmap mono, BaseIconFactory iconFactory) {
mMono = mono;
mWhiteShadowLayer = iconFactory.getWhiteShadowLayer();
}
/**
* Ideally icon should not be null, except in cases when generating hardware bitmap failed
*/
public final boolean isNullOrLowRes() {
return icon == null || icon == LOW_RES_ICON;
}
public final boolean isLowRes() {
return LOW_RES_ICON == icon;
}
/**
* BitmapInfo can be stored on disk or other persistent storage
*/
public boolean canPersist() {
return !isNullOrLowRes();
}
public Bitmap getMono() {
return mMono;
}
/**
* Creates a drawable for the provided BitmapInfo
*/
public FastBitmapDrawable newIcon(Context context) {
return newIcon(context, 0);
}
/**
* Creates a drawable for the provided BitmapInfo
*/
public FastBitmapDrawable newIcon(Context context, @DrawableCreationFlags int creationFlags) {
FastBitmapDrawable drawable;
if (isLowRes()) {
drawable = new PlaceHolderIconDrawable(this, context);
} else if ((creationFlags & FLAG_THEMED) != 0 && mMono != null) {
drawable = ThemedIconDrawable.newDrawable(this, context);
} else {
drawable = new FastBitmapDrawable(this);
}
applyFlags(context, drawable, creationFlags);
return drawable;
}
protected void applyFlags(Context context, FastBitmapDrawable drawable,
@DrawableCreationFlags int creationFlags) {
drawable.mDisabledAlpha = GraphicsUtils.getFloat(context, R.attr.disabledIconAlpha, 1f);
drawable.mCreationFlags = creationFlags;
if ((creationFlags & FLAG_NO_BADGE) == 0) {
Drawable badge = getBadgeDrawable(context, (creationFlags & FLAG_THEMED) != 0);
if (badge != null) {
drawable.setBadge(badge);
}
}
}
/**
* Returns a drawable representing the badge for this info
*/
@Nullable
public Drawable getBadgeDrawable(Context context, boolean isThemed) {
if (badgeInfo != null) {
return badgeInfo.newIcon(context, isThemed ? FLAG_THEMED : 0);
} else if ((flags & FLAG_INSTANT) != 0) {
return context.getDrawable(isThemed
? R.drawable.ic_instant_app_badge_themed
: R.drawable.ic_instant_app_badge);
} else if ((flags & FLAG_WORK) != 0) {
return context.getDrawable(isThemed
? R.drawable.ic_work_app_badge_themed
: R.drawable.ic_work_app_badge);
} else if ((flags & FLAG_CLONE) != 0) {
return context.getDrawable(isThemed
? R.drawable.ic_clone_app_badge_themed
: R.drawable.ic_clone_app_badge);
} else if ((flags & FLAG_PRIVATE) != 0) {
return context.getDrawable(isThemed
? R.drawable.ic_private_profile_app_badge_themed
: R.drawable.ic_private_profile_app_badge);
}
return null;
}
public static BitmapInfo fromBitmap(@NonNull Bitmap bitmap) {
return of(bitmap, 0);
}
public static BitmapInfo of(@NonNull Bitmap bitmap, int color) {
return new BitmapInfo(bitmap, color);
}
/**
* Interface to be implemented by drawables to provide a custom BitmapInfo
*/
public interface Extender {
/**
* Called for creating a custom BitmapInfo
*/
BitmapInfo getExtendedInfo(Bitmap bitmap, int color,
BaseIconFactory iconFactory, float normalizationScale);
/**
* Called to draw the UI independent of any runtime configurations like time or theme
*/
void drawForPersistence(Canvas canvas);
}
}
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