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/*
* Copyright (C) 2015 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.systemui.statusbar.notification;
import android.annotation.Nullable;
import android.content.Context;
import android.graphics.Color;
import android.view.View;
import android.widget.ImageView;
import com.android.internal.util.ContrastColorUtil;
import com.android.systemui.R;
import com.android.systemui.statusbar.notification.collection.ListEntry;
import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
import com.android.systemui.util.Compile;
/**
* A util class for various reusable functions
*/
public class NotificationUtils {
private static final int[] sLocationBase = new int[2];
private static final int[] sLocationOffset = new int[2];
@Nullable private static Boolean sUseNewInterruptionModel = null;
public static boolean isGrayscale(ImageView v, ContrastColorUtil colorUtil) {
Object isGrayscale = v.getTag(R.id.icon_is_grayscale);
if (isGrayscale != null) {
return Boolean.TRUE.equals(isGrayscale);
}
boolean grayscale = colorUtil.isGrayscaleIcon(v.getDrawable());
v.setTag(R.id.icon_is_grayscale, grayscale);
return grayscale;
}
public static float interpolate(float start, float end, float amount) {
return start * (1.0f - amount) + end * amount;
}
public static int interpolateColors(int startColor, int endColor, float amount) {
return Color.argb(
(int) interpolate(Color.alpha(startColor), Color.alpha(endColor), amount),
(int) interpolate(Color.red(startColor), Color.red(endColor), amount),
(int) interpolate(Color.green(startColor), Color.green(endColor), amount),
(int) interpolate(Color.blue(startColor), Color.blue(endColor), amount));
}
public static float getRelativeYOffset(View offsetView, View baseView) {
baseView.getLocationOnScreen(sLocationBase);
offsetView.getLocationOnScreen(sLocationOffset);
return sLocationOffset[1] - sLocationBase[1];
}
/**
* @param dimenId the dimen to look up
* @return the font scaled dimen as if it were in sp but doesn't shrink sizes below dp
*/
public static int getFontScaledHeight(Context context, int dimenId) {
int dimensionPixelSize = context.getResources().getDimensionPixelSize(dimenId);
float factor = Math.max(1.0f, context.getResources().getDisplayMetrics().scaledDensity /
context.getResources().getDisplayMetrics().density);
return (int) (dimensionPixelSize * factor);
}
private static final boolean INCLUDE_HASH_CODE_IN_LIST_ENTRY_LOG_KEY = false;
/** Get the notification key, reformatted for logging, for the (optional) entry */
public static String logKey(ListEntry entry) {
if (entry == null) {
return "null";
}
if (Compile.IS_DEBUG && INCLUDE_HASH_CODE_IN_LIST_ENTRY_LOG_KEY) {
return logKey(entry.getKey()) + "@" + Integer.toHexString(entry.hashCode());
} else {
return logKey(entry.getKey());
}
}
/** Get the notification key, reformatted for logging, for the (optional) row */
public static String logKey(ExpandableNotificationRow row) {
return row == null ? "null" : logKey(row.getEntry());
}
/** Removes newlines from the notification key to prettify apps that have these in the tag */
public static String logKey(String key) {
if (key == null) {
return "null";
}
return key.replace("\n", "");
}
}
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