1 /* 2 * Copyright (C) 2018 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 package com.android.quickstep.inputconsumers; 17 18 import android.annotation.TargetApi; 19 import android.os.Build; 20 import android.view.InputEvent; 21 import android.view.KeyEvent; 22 import android.view.MotionEvent; 23 24 @TargetApi(Build.VERSION_CODES.O) 25 public interface InputConsumer { 26 27 int TYPE_NO_OP = 1 << 0; 28 int TYPE_OVERVIEW = 1 << 1; 29 int TYPE_OTHER_ACTIVITY = 1 << 2; 30 int TYPE_ASSISTANT = 1 << 3; 31 int TYPE_DEVICE_LOCKED = 1 << 4; 32 int TYPE_ACCESSIBILITY = 1 << 5; 33 int TYPE_SCREEN_PINNED = 1 << 6; 34 int TYPE_OVERVIEW_WITHOUT_FOCUS = 1 << 7; 35 int TYPE_RESET_GESTURE = 1 << 8; 36 int TYPE_FALLBACK_NO_BUTTON = 1 << 9; 37 38 String[] NAMES = new String[] { 39 "TYPE_NO_OP", // 0 40 "TYPE_OVERVIEW", // 1 41 "TYPE_OTHER_ACTIVITY", // 2 42 "TYPE_ASSISTANT", // 3 43 "TYPE_DEVICE_LOCKED", // 4 44 "TYPE_ACCESSIBILITY", // 5 45 "TYPE_SCREEN_PINNED", // 6 46 "TYPE_OVERVIEW_WITHOUT_FOCUS", // 7 47 "TYPE_RESET_GESTURE", // 8 48 "TYPE_FALLBACK_NO_BUTTON", // 9 49 }; 50 51 InputConsumer NO_OP = () -> TYPE_NO_OP; 52 getType()53 int getType(); 54 useSharedSwipeState()55 default boolean useSharedSwipeState() { 56 return false; 57 } 58 59 /** 60 * Returns true if the user has crossed the threshold for it to be an explicit action. 61 */ allowInterceptByParent()62 default boolean allowInterceptByParent() { 63 return true; 64 } 65 66 /** 67 * Called by the event queue when the consumer is about to be switched to a new consumer. 68 */ onConsumerAboutToBeSwitched()69 default void onConsumerAboutToBeSwitched() { } 70 onMotionEvent(MotionEvent ev)71 default void onMotionEvent(MotionEvent ev) { } 72 onKeyEvent(KeyEvent ev)73 default void onKeyEvent(KeyEvent ev) { } 74 onInputEvent(InputEvent ev)75 default void onInputEvent(InputEvent ev) { 76 if (ev instanceof MotionEvent) { 77 onMotionEvent((MotionEvent) ev); 78 } else { 79 onKeyEvent((KeyEvent) ev); 80 } 81 } 82 getName()83 default String getName() { 84 String name = ""; 85 for (int i = 0; i < NAMES.length; i++) { 86 if ((getType() & (1 << i)) != 0) { 87 if (name.length() > 0) { 88 name += ":"; 89 } 90 name += NAMES[i]; 91 } 92 } 93 return name; 94 } 95 } 96