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/*
* Copyright (C) 2014 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.shade;
import android.app.Fragment;
import android.content.Context;
import android.content.res.Configuration;
import android.graphics.Canvas;
import android.util.AttributeSet;
import android.view.View;
import android.view.WindowInsets;
import androidx.annotation.Nullable;
import androidx.constraintlayout.widget.ConstraintLayout;
import androidx.constraintlayout.widget.ConstraintSet;
import com.android.systemui.R;
import com.android.systemui.fragments.FragmentHostManager.FragmentListener;
import com.android.systemui.plugins.qs.QS;
import com.android.systemui.statusbar.notification.AboveShelfObserver;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.function.Consumer;
/**
* The container with notification stack scroller and quick settings inside.
*/
public class NotificationsQuickSettingsContainer extends ConstraintLayout
implements FragmentListener, AboveShelfObserver.HasViewAboveShelfChangedListener {
private View mQsFrame;
private View mStackScroller;
private View mKeyguardStatusBar;
private final ArrayList<View> mDrawingOrderedChildren = new ArrayList<>();
private final ArrayList<View> mLayoutDrawingOrder = new ArrayList<>();
private final Comparator<View> mIndexComparator = Comparator.comparingInt(this::indexOfChild);
private Consumer<WindowInsets> mInsetsChangedListener = insets -> {};
private Consumer<QS> mQSFragmentAttachedListener = qs -> {};
private QS mQs;
private View mQSContainer;
private int mLastQSPaddingBottom;
@Nullable
private Consumer<Configuration> mConfigurationChangedListener;
public NotificationsQuickSettingsContainer(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mQsFrame = findViewById(R.id.qs_frame);
mStackScroller = findViewById(R.id.notification_stack_scroller);
mKeyguardStatusBar = findViewById(R.id.keyguard_header);
}
@Override
public void onFragmentViewCreated(String tag, Fragment fragment) {
mQs = (QS) fragment;
mQSFragmentAttachedListener.accept(mQs);
mQSContainer = mQs.getView().findViewById(R.id.quick_settings_container);
// We need to restore the bottom padding as the fragment may have been recreated due to
// some special Configuration change, so we apply the last known padding (this will be
// correct even if it has changed while the fragment was destroyed and re-created).
setQSContainerPaddingBottom(mLastQSPaddingBottom);
}
@Override
public void onHasViewsAboveShelfChanged(boolean hasViewsAboveShelf) {
invalidate();
}
@Override
protected void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
if (mConfigurationChangedListener != null) {
mConfigurationChangedListener.accept(newConfig);
}
}
public void setConfigurationChangedListener(Consumer<Configuration> listener) {
mConfigurationChangedListener = listener;
}
public void setNotificationsMarginBottom(int margin) {
LayoutParams params = (LayoutParams) mStackScroller.getLayoutParams();
params.bottomMargin = margin;
mStackScroller.setLayoutParams(params);
}
public void setQSContainerPaddingBottom(int paddingBottom) {
mLastQSPaddingBottom = paddingBottom;
if (mQSContainer != null) {
mQSContainer.setPadding(
mQSContainer.getPaddingLeft(),
mQSContainer.getPaddingTop(),
mQSContainer.getPaddingRight(),
paddingBottom
);
}
}
public void setInsetsChangedListener(Consumer<WindowInsets> onInsetsChangedListener) {
mInsetsChangedListener = onInsetsChangedListener;
}
public void removeOnInsetsChangedListener() {
mInsetsChangedListener = insets -> {};
}
public void setQSFragmentAttachedListener(Consumer<QS> qsFragmentAttachedListener) {
mQSFragmentAttachedListener = qsFragmentAttachedListener;
// listener might be attached after fragment is attached
if (mQs != null) {
mQSFragmentAttachedListener.accept(mQs);
}
}
public void removeQSFragmentAttachedListener() {
mQSFragmentAttachedListener = qs -> {};
}
@Override
public WindowInsets onApplyWindowInsets(WindowInsets insets) {
mInsetsChangedListener.accept(insets);
return insets;
}
@Override
protected void dispatchDraw(Canvas canvas) {
mDrawingOrderedChildren.clear();
mLayoutDrawingOrder.clear();
if (mKeyguardStatusBar.getVisibility() == View.VISIBLE) {
mDrawingOrderedChildren.add(mKeyguardStatusBar);
mLayoutDrawingOrder.add(mKeyguardStatusBar);
}
if (mQsFrame.getVisibility() == View.VISIBLE) {
mDrawingOrderedChildren.add(mQsFrame);
mLayoutDrawingOrder.add(mQsFrame);
}
if (mStackScroller.getVisibility() == View.VISIBLE) {
mDrawingOrderedChildren.add(mStackScroller);
mLayoutDrawingOrder.add(mStackScroller);
}
// Let's now find the order that the view has when drawing regularly by sorting
mLayoutDrawingOrder.sort(mIndexComparator);
super.dispatchDraw(canvas);
}
@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
int layoutIndex = mLayoutDrawingOrder.indexOf(child);
if (layoutIndex >= 0) {
return super.drawChild(canvas, mDrawingOrderedChildren.get(layoutIndex), drawingTime);
} else {
return super.drawChild(canvas, child, drawingTime);
}
}
public void applyConstraints(ConstraintSet constraintSet) {
constraintSet.applyTo(this);
}
}
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