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/*
* Copyright (C) 2018 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.google.android.setupcompat.template;
import static android.view.View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.os.Build;
import android.os.Build.VERSION_CODES;
import androidx.annotation.AttrRes;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.VisibleForTesting;
import android.util.AttributeSet;
import android.view.View;
import android.view.Window;
import com.google.android.setupcompat.PartnerCustomizationLayout;
import com.google.android.setupcompat.R;
import com.google.android.setupcompat.util.PartnerConfig;
import com.google.android.setupcompat.util.PartnerConfigHelper;
/**
* A {@link Mixin} for setting and getting background color and window compatible with light theme
* of system navigation bar.
*/
public class SystemNavBarMixin implements Mixin {
private final PartnerCustomizationLayout partnerCustomizationLayout;
private final Window windowOfActivity;
private final View decorView;
@VisibleForTesting final boolean applyPartnerResources;
/**
* Creates a mixin for managing system navigation bar.
*
* @param layout The layout this Mixin belongs to.
* @param window The window this activity of Mixin belongs to.
* @param attrs XML attributes given to the layout.
* @param defStyleAttr The default style attribute as given to the constructor of the layout.
* @param applyPartnerResources determine applies partner resources or not.
*/
public SystemNavBarMixin(
@NonNull PartnerCustomizationLayout layout,
@NonNull Window window,
@Nullable AttributeSet attrs,
@AttrRes int defStyleAttr,
boolean applyPartnerResources) {
partnerCustomizationLayout = layout;
windowOfActivity = window;
decorView = window.getDecorView();
this.applyPartnerResources = applyPartnerResources;
TypedArray a =
partnerCustomizationLayout
.getContext()
.obtainStyledAttributes(attrs, R.styleable.SucSystemNavBarMixin, defStyleAttr, 0);
int navigationBarBackground =
a.getColor(R.styleable.SucSystemNavBarMixin_sucSystemNavBarBackgroundColor, 0);
setSystemNavBarBackground(navigationBarBackground);
setSystemNavBarWindowLight(
a.getBoolean(
R.styleable.SucSystemNavBarMixin_sucSystemNavBarWindowLight,
isSystemNavBarWindowLight()));
a.recycle();
}
/**
* Sets the background color of navigation bar. The color will be overridden by partner resource
* if the activity is running in setup wizard flow.
*
* @param color The background color of navigation bar.
*/
public void setSystemNavBarBackground(int color) {
if (Build.VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
if (applyPartnerResources) {
Context context = partnerCustomizationLayout.getContext();
color =
PartnerConfigHelper.get(context)
.getColor(context, PartnerConfig.CONFIG_NAVIGATION_BAR_BG_COLOR);
}
windowOfActivity.setNavigationBarColor(color);
}
}
/** Returns the background color of navigation bar. */
public int getSystemNavBarBackground() {
if (Build.VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
return windowOfActivity.getNavigationBarColor();
}
return Color.BLACK;
}
/**
* Sets the navigation bar to draw in a mode that is compatible with light or dark navigation bar
* backgrounds. The navigation bar drawing mode will be overridden by partner resource if the
* activity is running in setup wizard flow.
*
* @param isLight true means compatible with light theme, otherwise compatible with dark theme
*/
public void setSystemNavBarWindowLight(boolean isLight) {
if (Build.VERSION.SDK_INT >= VERSION_CODES.O) {
if (applyPartnerResources) {
Context context = partnerCustomizationLayout.getContext();
isLight =
PartnerConfigHelper.get(context)
.getBoolean(context, PartnerConfig.CONFIG_WINDOW_LIGHT_NAVIGATION_BAR, false);
}
if (isLight) {
decorView.setSystemUiVisibility(
decorView.getSystemUiVisibility() | SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR);
} else {
decorView.setSystemUiVisibility(
decorView.getSystemUiVisibility() & ~SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR);
}
}
}
/**
* Returns true if the navigation bar icon should be drawn on light background, false if the icons
* should be drawn light-on-dark.
*/
public boolean isSystemNavBarWindowLight() {
if (Build.VERSION.SDK_INT >= VERSION_CODES.O) {
return (decorView.getSystemUiVisibility() & SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR)
== SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
}
return true;
}
}
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