1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.shared.rotation; 18 19 import android.graphics.drawable.Drawable; 20 import android.view.View; 21 22 /** 23 * Interface of a rotation button that interacts {@link RotationButtonController}. 24 * This interface exists because of the two different styles of rotation button in Sysui, 25 * one in contextual for 3 button nav and a floating rotation button for gestural. 26 */ 27 public interface RotationButton { setRotationButtonController(RotationButtonController rotationButtonController)28 default void setRotationButtonController(RotationButtonController rotationButtonController) { } setUpdatesCallback(RotationButtonUpdatesCallback updatesCallback)29 default void setUpdatesCallback(RotationButtonUpdatesCallback updatesCallback) { } 30 getCurrentView()31 default View getCurrentView() { 32 return null; 33 } show()34 default boolean show() { return false; } hide()35 default boolean hide() { return false; } isVisible()36 default boolean isVisible() { 37 return false; 38 } onTaskbarStateChanged(boolean taskbarVisible, boolean taskbarStashed)39 default void onTaskbarStateChanged(boolean taskbarVisible, boolean taskbarStashed) {} updateIcon(int lightIconColor, int darkIconColor)40 default void updateIcon(int lightIconColor, int darkIconColor) { } setOnClickListener(View.OnClickListener onClickListener)41 default void setOnClickListener(View.OnClickListener onClickListener) { } setOnHoverListener(View.OnHoverListener onHoverListener)42 default void setOnHoverListener(View.OnHoverListener onHoverListener) { } getImageDrawable()43 default Drawable getImageDrawable() { 44 return null; 45 } setDarkIntensity(float darkIntensity)46 default void setDarkIntensity(float darkIntensity) { } acceptRotationProposal()47 default boolean acceptRotationProposal() { 48 return getCurrentView() != null; 49 } 50 51 /** 52 * Callback for updates provided by a rotation button 53 */ 54 interface RotationButtonUpdatesCallback { onVisibilityChanged(boolean isVisible)55 default void onVisibilityChanged(boolean isVisible) {}; onPositionChanged()56 default void onPositionChanged() {}; 57 } 58 } 59