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/*
* Copyright (C) 2021 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.internal.policy;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Insets;
import android.util.RotationUtils;
import android.view.DisplayCutout;
import android.view.Surface;
import com.android.internal.R;
/**
* Utility functions for system bars used by both window manager and System UI.
*
* @hide
*/
public final class SystemBarUtils {
/**
* Gets the status bar height.
*/
public static int getStatusBarHeight(Context context) {
return getStatusBarHeight(context.getResources(), context.getDisplay().getCutout());
}
/**
* Gets the status bar height with a specific display cutout.
*/
public static int getStatusBarHeight(Resources res, DisplayCutout cutout) {
final int defaultSize = res.getDimensionPixelSize(R.dimen.status_bar_height_default);
final int safeInsetTop = cutout == null ? 0 : cutout.getSafeInsetTop();
final int waterfallInsetTop = cutout == null ? 0 : cutout.getWaterfallInsets().top;
// The status bar height should be:
// Max(top cutout size, (status bar default height + waterfall top size))
return Math.max(safeInsetTop, defaultSize + waterfallInsetTop);
}
/**
* Gets the status bar height for a specific rotation.
*/
public static int getStatusBarHeightForRotation(
Context context, @Surface.Rotation int targetRot) {
final int rotation = context.getDisplay().getRotation();
final DisplayCutout cutout = context.getDisplay().getCutout();
Insets insets = cutout == null ? Insets.NONE : Insets.of(cutout.getSafeInsets());
Insets waterfallInsets = cutout == null ? Insets.NONE : cutout.getWaterfallInsets();
// rotate insets to target rotation if needed.
if (rotation != targetRot) {
if (!insets.equals(Insets.NONE)) {
insets = RotationUtils.rotateInsets(
insets, RotationUtils.deltaRotation(rotation, targetRot));
}
if (!waterfallInsets.equals(Insets.NONE)) {
waterfallInsets = RotationUtils.rotateInsets(
waterfallInsets, RotationUtils.deltaRotation(rotation, targetRot));
}
}
final int defaultSize =
context.getResources().getDimensionPixelSize(R.dimen.status_bar_height_default);
// The status bar height should be:
// Max(top cutout size, (status bar default height + waterfall top size))
return Math.max(insets.top, defaultSize + waterfallInsets.top);
}
/**
* Gets the height of area above QQS where battery/time go in notification panel. The height
* equals to status bar height if status bar height is bigger than the
* {@link R.dimen#quick_qs_offset_height}.
*/
public static int getQuickQsOffsetHeight(Context context) {
final int defaultSize = context.getResources().getDimensionPixelSize(
R.dimen.quick_qs_offset_height);
final int statusBarHeight = getStatusBarHeight(context);
// Equals to status bar height if status bar height is bigger.
return Math.max(defaultSize, statusBarHeight);
}
}
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