146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Copyright (C) 2010 The Android Open Source Project 346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Licensed under the Apache License, Version 2.0 (the "License"); 546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * you may not use this file except in compliance with the License. 646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * You may obtain a copy of the License at 746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * http://www.apache.org/licenses/LICENSE-2.0 946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 1046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Unless required by applicable law or agreed to in writing, software 1146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * distributed under the License is distributed on an "AS IS" BASIS, 1246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * See the License for the specific language governing permissions and 1446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * limitations under the License. 1546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 1646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 17b93a03f841d93498bfea6cc92a22faa34bce1337Mathias Agopian#ifndef _ANDROIDFW_INPUT_TRANSPORT_H 18b93a03f841d93498bfea6cc92a22faa34bce1337Mathias Agopian#define _ANDROIDFW_INPUT_TRANSPORT_H 1946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 2046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/** 2146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Native input transport. 2246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 23cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * The InputChannel provides a mechanism for exchanging InputMessage structures across processes. 2446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 25cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * The InputPublisher and InputConsumer each handle one end-point of an input channel. 26cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * The InputPublisher is used by the input dispatcher to send events to the application. 27cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * The InputConsumer is used by the application to receive events from the input dispatcher. 2846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 2946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 30b93a03f841d93498bfea6cc92a22faa34bce1337Mathias Agopian#include <androidfw/Input.h> 3146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#include <utils/Errors.h> 3246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#include <utils/Timers.h> 3346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#include <utils/RefBase.h> 3446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#include <utils/String8.h> 35b93a03f841d93498bfea6cc92a22faa34bce1337Mathias Agopian#include <utils/Vector.h> 36771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#include <utils/BitSet.h> 3746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownnamespace android { 3946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 4046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 41cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Intermediate representation used to send input events and related signals. 42cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown */ 43cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brownstruct InputMessage { 44cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown enum { 45cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown TYPE_KEY = 1, 46cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown TYPE_MOTION = 2, 47cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown TYPE_FINISHED = 3, 48cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown }; 49cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 50cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown struct Header { 51cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown uint32_t type; 52cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown uint32_t padding; // 8 byte alignment for the body that follows 53cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } header; 54cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 55cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown union Body { 56cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown struct Key { 57072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown uint32_t seq; 58cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown nsecs_t eventTime; 59cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t deviceId; 60cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t source; 61cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t action; 62cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t flags; 63cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t keyCode; 64cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t scanCode; 65cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t metaState; 66cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t repeatCount; 67cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown nsecs_t downTime; 68cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 69cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown inline size_t size() const { 70cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return sizeof(Key); 71cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } 72cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } key; 73cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 74cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown struct Motion { 75072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown uint32_t seq; 76cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown nsecs_t eventTime; 77cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t deviceId; 78cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t source; 79cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t action; 80cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t flags; 81cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t metaState; 82cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t buttonState; 83cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int32_t edgeFlags; 84cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown nsecs_t downTime; 85cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown float xOffset; 86cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown float yOffset; 87cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown float xPrecision; 88cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown float yPrecision; 89cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown size_t pointerCount; 90cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown struct Pointer { 91cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown PointerProperties properties; 92cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown PointerCoords coords; 93cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } pointers[MAX_POINTERS]; 94cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 957174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown int32_t getActionId() const { 967174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown uint32_t index = (action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) 977174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown >> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT; 987174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown return pointers[index].properties.id; 997174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 1007174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown 101cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown inline size_t size() const { 102cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return sizeof(Motion) - sizeof(Pointer) * MAX_POINTERS 103cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown + sizeof(Pointer) * pointerCount; 104cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } 105cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } motion; 106cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 107cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown struct Finished { 108072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown uint32_t seq; 109cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown bool handled; 110cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 111cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown inline size_t size() const { 112cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return sizeof(Finished); 113cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } 114cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } finished; 115cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } body; 116cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 117cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown bool isValid(size_t actualSize) const; 118cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown size_t size() const; 119cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown}; 120cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 121cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown/* 122cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * An input channel consists of a local unix domain socket used to send and receive 123cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * input messages across processes. Each channel has a descriptive name for debugging purposes. 12446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 125cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Each endpoint has its own InputChannel object that specifies its file descriptor. 12646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 12746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * The input channel is closed when all references to it are released. 12846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 12946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownclass InputChannel : public RefBase { 13046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownprotected: 13146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown virtual ~InputChannel(); 13246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 13346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownpublic: 13491e328984c0d1e0f95b3d37f779d9d4fa9bfe8f8Jeff Brown InputChannel(const String8& name, int fd); 13546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 136cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown /* Creates a pair of input channels. 13746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 13846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Returns OK on success. 13946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 14046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown static status_t openInputChannelPair(const String8& name, 1415c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown sp<InputChannel>& outServerChannel, sp<InputChannel>& outClientChannel); 14246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 14346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown inline String8 getName() const { return mName; } 14491e328984c0d1e0f95b3d37f779d9d4fa9bfe8f8Jeff Brown inline int getFd() const { return mFd; } 14546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 146cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown /* Sends a message to the other endpoint. 147cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * 148cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * If the channel is full then the message is guaranteed not to have been sent at all. 149cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Try again after the consumer has sent a finished signal indicating that it has 150cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * consumed some of the pending messages from the channel. 15146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 15246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Returns OK on success. 153cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Returns WOULD_BLOCK if the channel is full. 1545c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * Returns DEAD_OBJECT if the channel's peer has been closed. 1555c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * Other errors probably indicate that the channel is broken. 15646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 157cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown status_t sendMessage(const InputMessage* msg); 15846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 159cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown /* Receives a message sent by the other endpoint. 160cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * 161cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * If there is no message present, try again after poll() indicates that the fd 162cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * is readable. 16346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 16446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Returns OK on success. 165cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Returns WOULD_BLOCK if there is no message present. 1665c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown * Returns DEAD_OBJECT if the channel's peer has been closed. 16746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Other errors probably indicate that the channel is broken. 16846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 169cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown status_t receiveMessage(InputMessage* msg); 17046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 17146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownprivate: 17246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown String8 mName; 17391e328984c0d1e0f95b3d37f779d9d4fa9bfe8f8Jeff Brown int mFd; 17446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 17546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 17646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 177cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Publishes input events to an input channel. 17846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 17946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownclass InputPublisher { 18046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownpublic: 18146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Creates a publisher associated with an input channel. */ 18246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown explicit InputPublisher(const sp<InputChannel>& channel); 18346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 18446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Destroys the publisher and releases its input channel. */ 18546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown ~InputPublisher(); 18646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 18746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Gets the underlying input channel. */ 18846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown inline sp<InputChannel> getChannel() { return mChannel; } 18946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 190cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown /* Publishes a key event to the input channel. 19146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 19246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Returns OK on success. 193cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Returns WOULD_BLOCK if the channel is full. 194cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Returns DEAD_OBJECT if the channel's peer has been closed. 195072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * Returns BAD_VALUE if seq is 0. 196cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Other errors probably indicate that the channel is broken. 19746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 19846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown status_t publishKeyEvent( 199072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown uint32_t seq, 20046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t deviceId, 201c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown int32_t source, 20246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t action, 20346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t flags, 20446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t keyCode, 20546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t scanCode, 20646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t metaState, 20746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t repeatCount, 20846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown nsecs_t downTime, 20946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown nsecs_t eventTime); 21046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 211cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown /* Publishes a motion event to the input channel. 21246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 21346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Returns OK on success. 214cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Returns WOULD_BLOCK if the channel is full. 215cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Returns DEAD_OBJECT if the channel's peer has been closed. 216072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * Returns BAD_VALUE if seq is 0 or if pointerCount is less than 1 or greater than MAX_POINTERS. 217cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Other errors probably indicate that the channel is broken. 21846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 21946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown status_t publishMotionEvent( 220072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown uint32_t seq, 22146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t deviceId, 222c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown int32_t source, 22346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t action, 22485a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown int32_t flags, 22546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t edgeFlags, 22646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t metaState, 227fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown int32_t buttonState, 22846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown float xOffset, 22946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown float yOffset, 23046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown float xPrecision, 23146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown float yPrecision, 23246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown nsecs_t downTime, 23346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown nsecs_t eventTime, 23446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown size_t pointerCount, 235fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown const PointerProperties* pointerProperties, 23646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown const PointerCoords* pointerCoords); 23746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 23846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Receives the finished signal from the consumer in reply to the original dispatch signal. 239072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * If a signal was received, returns the message sequence number, 240072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * and whether the consumer handled the message. 241072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * 242072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * The returned sequence number is never 0 unless the operation failed. 24346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 24446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Returns OK on success. 24546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Returns WOULD_BLOCK if there is no signal present. 246cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Returns DEAD_OBJECT if the channel's peer has been closed. 24746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Other errors probably indicate that the channel is broken. 24846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 249072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown status_t receiveFinishedSignal(uint32_t* outSeq, bool* outHandled); 25046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 25146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownprivate: 25246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown sp<InputChannel> mChannel; 25346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 25446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 25546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown/* 256cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Consumes input events from an input channel. 25746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 25846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownclass InputConsumer { 25946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownpublic: 26046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Creates a consumer associated with an input channel. */ 26146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown explicit InputConsumer(const sp<InputChannel>& channel); 26246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 26346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Destroys the consumer and releases its input channel. */ 26446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown ~InputConsumer(); 26546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 26646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown /* Gets the underlying input channel. */ 26746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown inline sp<InputChannel> getChannel() { return mChannel; } 26846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 269cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown /* Consumes an input event from the input channel and copies its contents into 27046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * an InputEvent object created using the specified factory. 27146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 272072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * Tries to combine a series of move events into larger batches whenever possible. 273072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * 274072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * If consumeBatches is false, then defers consuming pending batched events if it 275072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * is possible for additional samples to be added to them later. Call hasPendingBatch() 276072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * to determine whether a pending batch is available to be consumed. 277072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * 278072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * If consumeBatches is true, then events are still batched but they are consumed 279072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * immediately as soon as the input channel is exhausted. 280072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * 281771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown * The frameTime parameter specifies the time when the current display frame started 282771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown * rendering in the CLOCK_MONOTONIC time base, or -1 if unknown. 283771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown * 284072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * The returned sequence number is never 0 unless the operation failed. 285072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * 28646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Returns OK on success. 287cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Returns WOULD_BLOCK if there is no event present. 288cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Returns DEAD_OBJECT if the channel's peer has been closed. 28946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Returns NO_MEMORY if the event could not be created. 290cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown * Other errors probably indicate that the channel is broken. 29146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 292072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown status_t consume(InputEventFactoryInterface* factory, bool consumeBatches, 293771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown nsecs_t frameTime, uint32_t* outSeq, InputEvent** outEvent); 29446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 295072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown /* Sends a finished signal to the publisher to inform it that the message 296072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * with the specified sequence number has finished being process and whether 297072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * the message was handled by the consumer. 29846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * 29946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Returns OK on success. 300072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown * Returns BAD_VALUE if seq is 0. 30146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown * Other errors probably indicate that the channel is broken. 30246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown */ 303072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown status_t sendFinishedSignal(uint32_t seq, bool handled); 304072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 3052b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown /* Returns true if there is a deferred event waiting. 3062b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * 3072b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * Should be called after calling consume() to determine whether the consumer 3082b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * has a deferred event to be processed. Deferred events are somewhat special in 3092b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * that they have already been removed from the input channel. If the input channel 3102b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * becomes empty, the client may need to do extra work to ensure that it processes 311771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown * the deferred event despite the fact that the input channel's file descriptor 3122b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * is not readable. 3132b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * 3142b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * One option is simply to call consume() in a loop until it returns WOULD_BLOCK. 3152b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * This guarantees that all deferred events will be processed. 3162b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * 3172b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * Alternately, the caller can call hasDeferredEvent() to determine whether there is 3182b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * a deferred event waiting and then ensure that its event loop wakes up at least 3192b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * one more time to consume the deferred event. 3202b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown */ 3212b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown bool hasDeferredEvent() const; 3222b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown 3232b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown /* Returns true if there is a pending batch. 3242b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * 3252b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * Should be called after calling consume() with consumeBatches == false to determine 3262b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown * whether consume() should be called again later on with consumeBatches == true. 3272b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown */ 328072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown bool hasPendingBatch() const; 32946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 33046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownprivate: 3317174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown // True if touch resampling is enabled. 3327174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown const bool mResampleTouch; 3337174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown 3347174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown // The input channel. 33546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown sp<InputChannel> mChannel; 336072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 33790fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown // The current input message. 33890fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown InputMessage mMsg; 33990fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown 34090fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown // True if mMsg contains a valid input message that was deferred from the previous 34190fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown // call to consume and that still needs to be handled. 34290fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown bool mMsgDeferred; 343072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 344072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown // Batched motion events per device and source. 345072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown struct Batch { 346771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown Vector<InputMessage> samples; 347072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown }; 348072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown Vector<Batch> mBatches; 349072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 350771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown // Touch state per device and source, only for sources of class pointer. 351771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown struct History { 352771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown nsecs_t eventTime; 353771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown BitSet32 idBits; 3547174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown int32_t idToIndex[MAX_POINTER_ID + 1]; 355771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown PointerCoords pointers[MAX_POINTERS]; 356771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 357771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown void initializeFrom(const InputMessage* msg) { 358771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown eventTime = msg->body.motion.eventTime; 359771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown idBits.clear(); 360771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown for (size_t i = 0; i < msg->body.motion.pointerCount; i++) { 361771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown uint32_t id = msg->body.motion.pointers[i].properties.id; 362771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown idBits.markBit(id); 3637174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown idToIndex[id] = i; 3647174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown pointers[i].copyFrom(msg->body.motion.pointers[i].coords); 365771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 366771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 3677174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown 3687174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown const PointerCoords& getPointerById(uint32_t id) const { 3697174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown return pointers[idToIndex[id]]; 3707174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 371771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown }; 372771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown struct TouchState { 373771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown int32_t deviceId; 374771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown int32_t source; 375771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown size_t historyCurrent; 376771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown size_t historySize; 377771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown History history[2]; 3787174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown History lastResample; 379771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 380771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown void initialize(int32_t deviceId, int32_t source) { 381771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown this->deviceId = deviceId; 382771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown this->source = source; 383771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown historyCurrent = 0; 384771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown historySize = 0; 3857174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown lastResample.eventTime = 0; 3867174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown lastResample.idBits.clear(); 387771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 388771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 389771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown void addHistory(const InputMessage* msg) { 390771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown historyCurrent ^= 1; 391771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (historySize < 2) { 392771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown historySize += 1; 393771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 394771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown history[historyCurrent].initializeFrom(msg); 395771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 396771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 397771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown const History* getHistory(size_t index) const { 398771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return &history[(historyCurrent + index) & 1]; 399771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 400771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown }; 401771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown Vector<TouchState> mTouchStates; 402771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 4032d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown // Chain of batched sequence numbers. When multiple input messages are combined into 4042d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown // a batch, we append a record here that associates the last sequence number in the 4052d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown // batch with the previous one. When the finished signal is sent, we traverse the 4062d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown // chain to individually finish all input messages that were part of the batch. 4072d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown struct SeqChain { 4082d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown uint32_t seq; // sequence number of batched input message 4092d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown uint32_t chain; // sequence number of previous batched input message 4102d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown }; 4112d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown Vector<SeqChain> mSeqChains; 4122d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown 413771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown status_t consumeBatch(InputEventFactoryInterface* factory, 414771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown nsecs_t frameTime, uint32_t* outSeq, InputEvent** outEvent); 415771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown status_t consumeSamples(InputEventFactoryInterface* factory, 416771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown Batch& batch, size_t count, uint32_t* outSeq, InputEvent** outEvent); 417771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 418771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown void updateTouchState(InputMessage* msg); 4197174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown void rewriteMessage(const TouchState& state, InputMessage* msg); 420771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown void resampleTouchState(nsecs_t frameTime, MotionEvent* event, 421771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown const InputMessage *next); 422771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 423072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ssize_t findBatch(int32_t deviceId, int32_t source) const; 424771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown ssize_t findTouchState(int32_t deviceId, int32_t source) const; 425771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 4262d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown status_t sendUnchainedFinishedSignal(uint32_t seq, bool handled); 427072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 428072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown static void initializeKeyEvent(KeyEvent* event, const InputMessage* msg); 429072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown static void initializeMotionEvent(MotionEvent* event, const InputMessage* msg); 430771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown static void addSample(MotionEvent* event, const InputMessage* msg); 431771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown static bool canAddSample(const Batch& batch, const InputMessage* msg); 432771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown static ssize_t findSampleNoLaterThan(const Batch& batch, nsecs_t time); 433771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown static bool shouldResampleTool(int32_t toolType); 4347174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown 4357174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown static bool isTouchResamplingEnabled(); 43646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown}; 43746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 43846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} // namespace android 43946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 440b93a03f841d93498bfea6cc92a22faa34bce1337Mathias Agopian#endif // _ANDROIDFW_INPUT_TRANSPORT_H 441