/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.systemui.assist;
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import android.content.Context;
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import androidx.annotation.Nullable;
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import com.android.systemui.Dependency;
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import com.android.systemui.assist.AssistHandleBehaviorController.BehaviorController;
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import com.android.systemui.plugins.statusbar.StatusBarStateController;
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import com.android.systemui.recents.OverviewProxyService;
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import com.android.systemui.shared.system.QuickStepContract;
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import java.io.PrintWriter;
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/**
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* Assistant Handle behavior that makes Assistant handles show/hide when the home handle is
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* shown/hidden, respectively.
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*/
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final class AssistHandleLikeHomeBehavior implements BehaviorController {
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private final StatusBarStateController.StateListener mStatusBarStateListener =
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new StatusBarStateController.StateListener() {
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@Override
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public void onDozingChanged(boolean isDozing) {
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handleDozingChanged(isDozing);
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}
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};
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private final OverviewProxyService.OverviewProxyListener mOverviewProxyListener =
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new OverviewProxyService.OverviewProxyListener() {
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@Override
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public void onSystemUiStateChanged(int sysuiStateFlags) {
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handleSystemUiStateChange(sysuiStateFlags);
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}
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};
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private final StatusBarStateController mStatusBarStateController;
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private final OverviewProxyService mOverviewProxyService;
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private boolean mIsDozing;
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private boolean mIsHomeHandleHiding;
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@Nullable private AssistHandleCallbacks mAssistHandleCallbacks;
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AssistHandleLikeHomeBehavior() {
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mStatusBarStateController = Dependency.get(StatusBarStateController.class);
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mOverviewProxyService = Dependency.get(OverviewProxyService.class);
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}
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@Override
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public void onModeActivated(Context context, AssistHandleCallbacks callbacks) {
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mAssistHandleCallbacks = callbacks;
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mIsDozing = mStatusBarStateController.isDozing();
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mStatusBarStateController.addCallback(mStatusBarStateListener);
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mOverviewProxyService.addCallback(mOverviewProxyListener);
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callbackForCurrentState();
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}
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@Override
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public void onModeDeactivated() {
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mAssistHandleCallbacks = null;
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mOverviewProxyService.removeCallback(mOverviewProxyListener);
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}
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private static boolean isHomeHandleHiding(int sysuiStateFlags) {
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return (sysuiStateFlags & QuickStepContract.SYSUI_STATE_NAV_BAR_HIDDEN) != 0;
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}
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private void handleDozingChanged(boolean isDozing) {
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if (mIsDozing == isDozing) {
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return;
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}
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mIsDozing = isDozing;
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callbackForCurrentState();
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}
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private void handleSystemUiStateChange(int sysuiStateFlags) {
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boolean isHomeHandleHiding = isHomeHandleHiding(sysuiStateFlags);
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if (mIsHomeHandleHiding == isHomeHandleHiding) {
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return;
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}
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mIsHomeHandleHiding = isHomeHandleHiding;
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callbackForCurrentState();
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}
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private void callbackForCurrentState() {
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if (mAssistHandleCallbacks == null) {
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return;
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}
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if (mIsHomeHandleHiding || mIsDozing) {
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mAssistHandleCallbacks.hide();
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} else {
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mAssistHandleCallbacks.showAndStay();
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}
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}
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@Override
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public void dump(PrintWriter pw, String prefix) {
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pw.println("Current AssistHandleLikeHomeBehavior State:");
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pw.println(prefix + " mIsDozing=" + mIsDozing);
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pw.println(prefix + " mIsHomeHandleHiding=" + mIsHomeHandleHiding);
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}
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}
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