| /* |
| * Copyright (C) 2019 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.assist; |
| |
| import android.content.Context; |
| |
| import androidx.annotation.Nullable; |
| |
| import com.android.systemui.Dependency; |
| import com.android.systemui.assist.AssistHandleBehaviorController.BehaviorController; |
| import com.android.systemui.model.SysUiState; |
| import com.android.systemui.plugins.statusbar.StatusBarStateController; |
| import com.android.systemui.shared.system.QuickStepContract; |
| |
| import java.io.PrintWriter; |
| |
| /** |
| * Assistant Handle behavior that makes Assistant handles show/hide when the home handle is |
| * shown/hidden, respectively. |
| */ |
| final class AssistHandleLikeHomeBehavior implements BehaviorController { |
| |
| private final StatusBarStateController.StateListener mStatusBarStateListener = |
| new StatusBarStateController.StateListener() { |
| @Override |
| public void onDozingChanged(boolean isDozing) { |
| handleDozingChanged(isDozing); |
| } |
| }; |
| |
| private final SysUiState.SysUiStateCallback mSysUiStateCallback = |
| this::handleSystemUiStateChange; |
| private final StatusBarStateController mStatusBarStateController; |
| private final SysUiState mSysUiFlagContainer; |
| |
| private boolean mIsDozing; |
| private boolean mIsHomeHandleHiding; |
| |
| @Nullable private AssistHandleCallbacks mAssistHandleCallbacks; |
| |
| AssistHandleLikeHomeBehavior() { |
| mStatusBarStateController = Dependency.get(StatusBarStateController.class); |
| mSysUiFlagContainer = Dependency.get(SysUiState.class); |
| } |
| |
| @Override |
| public void onModeActivated(Context context, AssistHandleCallbacks callbacks) { |
| mAssistHandleCallbacks = callbacks; |
| mIsDozing = mStatusBarStateController.isDozing(); |
| mStatusBarStateController.addCallback(mStatusBarStateListener); |
| mSysUiFlagContainer.addCallback(mSysUiStateCallback); |
| callbackForCurrentState(); |
| } |
| |
| @Override |
| public void onModeDeactivated() { |
| mAssistHandleCallbacks = null; |
| mSysUiFlagContainer.removeCallback(mSysUiStateCallback); |
| } |
| |
| private static boolean isHomeHandleHiding(int sysuiStateFlags) { |
| return (sysuiStateFlags & QuickStepContract.SYSUI_STATE_NAV_BAR_HIDDEN) != 0; |
| } |
| |
| private void handleDozingChanged(boolean isDozing) { |
| if (mIsDozing == isDozing) { |
| return; |
| } |
| |
| mIsDozing = isDozing; |
| callbackForCurrentState(); |
| } |
| |
| private void handleSystemUiStateChange(int sysuiStateFlags) { |
| boolean isHomeHandleHiding = isHomeHandleHiding(sysuiStateFlags); |
| if (mIsHomeHandleHiding == isHomeHandleHiding) { |
| return; |
| } |
| |
| mIsHomeHandleHiding = isHomeHandleHiding; |
| callbackForCurrentState(); |
| } |
| |
| private void callbackForCurrentState() { |
| if (mAssistHandleCallbacks == null) { |
| return; |
| } |
| |
| if (mIsHomeHandleHiding || mIsDozing) { |
| mAssistHandleCallbacks.hide(); |
| } else { |
| mAssistHandleCallbacks.showAndStay(); |
| } |
| } |
| |
| @Override |
| public void dump(PrintWriter pw, String prefix) { |
| pw.println("Current AssistHandleLikeHomeBehavior State:"); |
| |
| pw.println(prefix + " mIsDozing=" + mIsDozing); |
| pw.println(prefix + " mIsHomeHandleHiding=" + mIsHomeHandleHiding); |
| } |
| } |