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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.statusbar.policy;
import android.annotation.NonNull;
import android.content.Context;
import android.content.res.Resources;
import android.util.ArraySet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import com.android.systemui.R;
import com.android.systemui.settings.brightness.BrightnessSlider;
import com.android.systemui.settings.brightness.ToggleSlider;
import com.android.systemui.statusbar.NotificationShadeDepthController;
import com.android.systemui.statusbar.phone.NotificationPanelViewController;
import com.android.systemui.statusbar.phone.NotificationShadeWindowView;
import java.util.Objects;
import java.util.function.Consumer;
/**
* Controls showing and hiding of the brightness mirror.
*/
public class BrightnessMirrorController
implements CallbackController<BrightnessMirrorController.BrightnessMirrorListener> {
private final NotificationShadeWindowView mStatusBarWindow;
private final Consumer<Boolean> mVisibilityCallback;
private final NotificationPanelViewController mNotificationPanel;
private final NotificationShadeDepthController mDepthController;
private final ArraySet<BrightnessMirrorListener> mBrightnessMirrorListeners = new ArraySet<>();
private final BrightnessSlider.Factory mToggleSliderFactory;
private BrightnessSlider mToggleSliderController;
private final int[] mInt2Cache = new int[2];
private FrameLayout mBrightnessMirror;
private int mBrightnessMirrorBackgroundPadding;
private int mLastBrightnessSliderWidth = -1;
public BrightnessMirrorController(NotificationShadeWindowView statusBarWindow,
NotificationPanelViewController notificationPanelViewController,
NotificationShadeDepthController notificationShadeDepthController,
BrightnessSlider.Factory factory,
@NonNull Consumer<Boolean> visibilityCallback) {
mStatusBarWindow = statusBarWindow;
mToggleSliderFactory = factory;
mBrightnessMirror = statusBarWindow.findViewById(R.id.brightness_mirror_container);
mToggleSliderController = setMirrorLayout();
mNotificationPanel = notificationPanelViewController;
mDepthController = notificationShadeDepthController;
mNotificationPanel.setPanelAlphaEndAction(() -> {
mBrightnessMirror.setVisibility(View.INVISIBLE);
});
mVisibilityCallback = visibilityCallback;
}
public void showMirror() {
mBrightnessMirror.setVisibility(View.VISIBLE);
mVisibilityCallback.accept(true);
mNotificationPanel.setPanelAlpha(0, true /* animate */);
mDepthController.setBrightnessMirrorVisible(true);
}
public void hideMirror() {
mVisibilityCallback.accept(false);
mNotificationPanel.setPanelAlpha(255, true /* animate */);
mDepthController.setBrightnessMirrorVisible(false);
}
/**
* Set the location and size of the mirror container to match that of the slider in QS
* @param original the original view in QS
*/
public void setLocationAndSize(View original) {
original.getLocationInWindow(mInt2Cache);
// Original is slightly larger than the mirror, so make sure to use the center for the
// positioning.
int originalX = mInt2Cache[0] - mBrightnessMirrorBackgroundPadding;
int originalY = mInt2Cache[1] - mBrightnessMirrorBackgroundPadding;
mBrightnessMirror.setTranslationX(0);
mBrightnessMirror.setTranslationY(0);
mBrightnessMirror.getLocationInWindow(mInt2Cache);
int mirrorX = mInt2Cache[0];
int mirrorY = mInt2Cache[1];
mBrightnessMirror.setTranslationX(originalX - mirrorX);
mBrightnessMirror.setTranslationY(originalY - mirrorY);
// Set the brightness mirror container to be the width of the mirror + 2 times the padding
int newWidth = original.getMeasuredWidth() + 2 * mBrightnessMirrorBackgroundPadding;
if (newWidth != mLastBrightnessSliderWidth) {
ViewGroup.LayoutParams lp = mBrightnessMirror.getLayoutParams();
lp.width = newWidth;
mBrightnessMirror.setLayoutParams(lp);
}
}
public ToggleSlider getToggleSlider() {
return mToggleSliderController;
}
public void updateResources() {
Resources r = mBrightnessMirror.getResources();
mBrightnessMirrorBackgroundPadding = r
.getDimensionPixelSize(R.dimen.rounded_slider_background_padding);
mBrightnessMirror.setPadding(
mBrightnessMirrorBackgroundPadding,
mBrightnessMirrorBackgroundPadding,
mBrightnessMirrorBackgroundPadding,
mBrightnessMirrorBackgroundPadding
);
}
public void onOverlayChanged() {
reinflate();
}
public void onDensityOrFontScaleChanged() {
reinflate();
}
private BrightnessSlider setMirrorLayout() {
Context context = mBrightnessMirror.getContext();
BrightnessSlider controller = mToggleSliderFactory.create(context, mBrightnessMirror);
controller.init();
mBrightnessMirror.addView(controller.getRootView(), ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.WRAP_CONTENT);
return controller;
}
private void reinflate() {
int index = mStatusBarWindow.indexOfChild(mBrightnessMirror);
mStatusBarWindow.removeView(mBrightnessMirror);
mBrightnessMirror = (FrameLayout) LayoutInflater.from(mBrightnessMirror.getContext())
.inflate(R.layout.brightness_mirror_container, mStatusBarWindow, false);
mToggleSliderController = setMirrorLayout();
mStatusBarWindow.addView(mBrightnessMirror, index);
for (int i = 0; i < mBrightnessMirrorListeners.size(); i++) {
mBrightnessMirrorListeners.valueAt(i).onBrightnessMirrorReinflated(mBrightnessMirror);
}
}
@Override
public void addCallback(@NonNull BrightnessMirrorListener listener) {
Objects.requireNonNull(listener);
mBrightnessMirrorListeners.add(listener);
}
@Override
public void removeCallback(@NonNull BrightnessMirrorListener listener) {
mBrightnessMirrorListeners.remove(listener);
}
public void onUiModeChanged() {
reinflate();
}
public interface BrightnessMirrorListener {
void onBrightnessMirrorReinflated(View brightnessMirror);
}
}
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