146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown// 246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown// Copyright 2010 The Android Open Source Project 346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown// 446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown// Provides a shared memory transport for input events. 546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown// 646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#define LOG_TAG "InputTransport" 746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown//#define LOG_NDEBUG 0 946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 10cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown// Log debug messages about channel messages (send message, receive message) 11cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown#define DEBUG_CHANNEL_MESSAGES 0 1246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 1346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown// Log debug messages whenever InputChannel objects are created/destroyed 145c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown#define DEBUG_CHANNEL_LIFECYCLE 0 1546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 16cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown// Log debug messages about transport actions 17072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#define DEBUG_TRANSPORT_ACTIONS 0 1846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 19771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown// Log debug messages about touch event resampling 20771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#define DEBUG_RESAMPLING 0 21771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 2246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 2346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#include <cutils/log.h> 247174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown#include <cutils/properties.h> 2546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#include <errno.h> 2646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#include <fcntl.h> 27b93a03f841d93498bfea6cc92a22faa34bce1337Mathias Agopian#include <androidfw/InputTransport.h> 2846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#include <unistd.h> 29cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown#include <sys/types.h> 30cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown#include <sys/socket.h> 31771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#include <math.h> 3246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 34cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brownnamespace android { 3546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 36d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brown// Socket buffer size. The default is typically about 128KB, which is much larger than 37d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brown// we really need. So we make it smaller. It just needs to be big enough to hold 38d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brown// a few dozen large multi-finger motion events in the case where an application gets 39d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brown// behind processing touches. 40d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brownstatic const size_t SOCKET_BUFFER_SIZE = 32 * 1024; 41d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brown 42771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown// Nanoseconds per milliseconds. 43771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brownstatic const nsecs_t NANOS_PER_MS = 1000000; 44771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 45771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown// Latency added during resampling. A few milliseconds doesn't hurt much but 46771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown// reduces the impact of mispredicted touch positions. 477174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brownstatic const nsecs_t RESAMPLE_LATENCY = 5 * NANOS_PER_MS; 48771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 49771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown// Minimum time difference between consecutive samples before attempting to resample. 507174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brownstatic const nsecs_t RESAMPLE_MIN_DELTA = 2 * NANOS_PER_MS; 51771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 527174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown// Maximum time to predict forward from the last known state, to avoid predicting too 537174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown// far into the future. This time is further bounded by 50% of the last time delta. 547174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brownstatic const nsecs_t RESAMPLE_MAX_PREDICTION = 8 * NANOS_PER_MS; 55771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 567174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Browntemplate<typename T> 577174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Browninline static T min(const T& a, const T& b) { 587174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown return a < b ? a : b; 597174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown} 607174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown 617174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Browninline static float lerp(float a, float b, float alpha) { 627174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown return a + alpha * (b - a); 637174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown} 64d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brown 65cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown// --- InputMessage --- 66cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 67cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brownbool InputMessage::isValid(size_t actualSize) const { 68cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown if (size() == actualSize) { 69cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown switch (header.type) { 70cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown case TYPE_KEY: 71cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return true; 72cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown case TYPE_MOTION: 73cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return body.motion.pointerCount > 0 74cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown && body.motion.pointerCount <= MAX_POINTERS; 75cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown case TYPE_FINISHED: 76cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return true; 77cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } 78cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } 79cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return false; 80cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown} 813915bb845b032dc184dba5e60970b803390ca3edJeff Brown 82cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brownsize_t InputMessage::size() const { 83cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown switch (header.type) { 84cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown case TYPE_KEY: 85cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return sizeof(Header) + body.key.size(); 86cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown case TYPE_MOTION: 87cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return sizeof(Header) + body.motion.size(); 88cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown case TYPE_FINISHED: 89cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return sizeof(Header) + body.finished.size(); 90cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } 91cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return sizeof(Header); 92cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown} 9346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 9446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 9546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown// --- InputChannel --- 9646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 97cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff BrownInputChannel::InputChannel(const String8& name, int fd) : 98cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown mName(name), mFd(fd) { 9946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#if DEBUG_CHANNEL_LIFECYCLE 100cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown ALOGD("Input channel constructed: name='%s', fd=%d", 101cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown mName.string(), fd); 10246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 10346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 104cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int result = fcntl(mFd, F_SETFL, O_NONBLOCK); 105cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown LOG_ALWAYS_FATAL_IF(result != 0, "channel '%s' ~ Could not make socket " 10646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown "non-blocking. errno=%d", mName.string(), errno); 10746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 10846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 10946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff BrownInputChannel::~InputChannel() { 11046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#if DEBUG_CHANNEL_LIFECYCLE 111cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown ALOGD("Input channel destroyed: name='%s', fd=%d", 112cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown mName.string(), mFd); 11346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 11446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 115cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown ::close(mFd); 11646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 11746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 11846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownstatus_t InputChannel::openInputChannelPair(const String8& name, 1195c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown sp<InputChannel>& outServerChannel, sp<InputChannel>& outClientChannel) { 120cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int sockets[2]; 121cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, sockets)) { 122cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown status_t result = -errno; 123cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown ALOGE("channel '%s' ~ Could not create socket pair. errno=%d", 12446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown name.string(), errno); 125cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown outServerChannel.clear(); 126cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown outClientChannel.clear(); 127cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return result; 12846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 12946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 130d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brown int bufferSize = SOCKET_BUFFER_SIZE; 131d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brown setsockopt(sockets[0], SOL_SOCKET, SO_SNDBUF, &bufferSize, sizeof(bufferSize)); 132d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brown setsockopt(sockets[0], SOL_SOCKET, SO_RCVBUF, &bufferSize, sizeof(bufferSize)); 133d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brown setsockopt(sockets[1], SOL_SOCKET, SO_SNDBUF, &bufferSize, sizeof(bufferSize)); 134d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brown setsockopt(sockets[1], SOL_SOCKET, SO_RCVBUF, &bufferSize, sizeof(bufferSize)); 135d1c48a0525d05021036d4b14e937e221c0ae1318Jeff Brown 136cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown String8 serverChannelName = name; 137cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown serverChannelName.append(" (server)"); 138cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown outServerChannel = new InputChannel(serverChannelName, sockets[0]); 139cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 140cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown String8 clientChannelName = name; 141cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown clientChannelName.append(" (client)"); 142cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown outClientChannel = new InputChannel(clientChannelName, sockets[1]); 143cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return OK; 14446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 14546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 146cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brownstatus_t InputChannel::sendMessage(const InputMessage* msg) { 147cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown size_t msgLength = msg->size(); 1487dae0e47abb5c1fb852c10b3ba0bc6464dd76e96Jeff Brown ssize_t nWrite; 1497dae0e47abb5c1fb852c10b3ba0bc6464dd76e96Jeff Brown do { 150cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown nWrite = ::send(mFd, msg, msgLength, MSG_DONTWAIT | MSG_NOSIGNAL); 1517dae0e47abb5c1fb852c10b3ba0bc6464dd76e96Jeff Brown } while (nWrite == -1 && errno == EINTR); 15246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 153cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown if (nWrite < 0) { 154cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int error = errno; 155cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown#if DEBUG_CHANNEL_MESSAGES 156cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown ALOGD("channel '%s' ~ error sending message of type %d, errno=%d", mName.string(), 157cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg->header.type, error); 15846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 159cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown if (error == EAGAIN || error == EWOULDBLOCK) { 160cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return WOULD_BLOCK; 161cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } 162cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown if (error == EPIPE || error == ENOTCONN) { 163cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return DEAD_OBJECT; 164cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } 165cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return -error; 16646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 16746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 168cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown if (size_t(nWrite) != msgLength) { 169cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown#if DEBUG_CHANNEL_MESSAGES 170cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown ALOGD("channel '%s' ~ error sending message type %d, send was incomplete", 171cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown mName.string(), msg->header.type); 17246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 173cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return DEAD_OBJECT; 174cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } 175cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown 176cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown#if DEBUG_CHANNEL_MESSAGES 177cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown ALOGD("channel '%s' ~ sent message of type %d", mName.string(), msg->header.type); 178cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown#endif 179cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return OK; 18046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 18146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 182cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brownstatus_t InputChannel::receiveMessage(InputMessage* msg) { 1837dae0e47abb5c1fb852c10b3ba0bc6464dd76e96Jeff Brown ssize_t nRead; 1847dae0e47abb5c1fb852c10b3ba0bc6464dd76e96Jeff Brown do { 185cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown nRead = ::recv(mFd, msg, sizeof(InputMessage), MSG_DONTWAIT); 1867dae0e47abb5c1fb852c10b3ba0bc6464dd76e96Jeff Brown } while (nRead == -1 && errno == EINTR); 1877dae0e47abb5c1fb852c10b3ba0bc6464dd76e96Jeff Brown 188cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown if (nRead < 0) { 189cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown int error = errno; 190cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown#if DEBUG_CHANNEL_MESSAGES 191cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown ALOGD("channel '%s' ~ receive message failed, errno=%d", mName.string(), errno); 19246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 193cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown if (error == EAGAIN || error == EWOULDBLOCK) { 194cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return WOULD_BLOCK; 195cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } 196cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown if (error == EPIPE || error == ENOTCONN) { 197cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return DEAD_OBJECT; 198cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } 199cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return -error; 20046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 20146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 2025c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown if (nRead == 0) { // check for EOF 203cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown#if DEBUG_CHANNEL_MESSAGES 204cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown ALOGD("channel '%s' ~ receive message failed because peer was closed", mName.string()); 2055c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown#endif 2065c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown return DEAD_OBJECT; 2075c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown } 2085c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown 209cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown if (!msg->isValid(nRead)) { 210cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown#if DEBUG_CHANNEL_MESSAGES 211cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown ALOGD("channel '%s' ~ received invalid message", mName.string()); 21246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 213cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return BAD_VALUE; 21446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 21546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 216cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown#if DEBUG_CHANNEL_MESSAGES 217cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown ALOGD("channel '%s' ~ received message of type %d", mName.string(), msg->header.type); 21846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 219cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return OK; 22046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 22146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 22246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 22346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown// --- InputPublisher --- 22446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 22546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff BrownInputPublisher::InputPublisher(const sp<InputChannel>& channel) : 226cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown mChannel(channel) { 22746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 22846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 22946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff BrownInputPublisher::~InputPublisher() { 23046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 23146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 23246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownstatus_t InputPublisher::publishKeyEvent( 233072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown uint32_t seq, 23446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t deviceId, 235c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown int32_t source, 23646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t action, 23746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t flags, 23846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t keyCode, 23946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t scanCode, 24046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t metaState, 24146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t repeatCount, 24246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown nsecs_t downTime, 24346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown nsecs_t eventTime) { 24446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#if DEBUG_TRANSPORT_ACTIONS 245072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' publisher ~ publishKeyEvent: seq=%u, deviceId=%d, source=0x%x, " 24685a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown "action=0x%x, flags=0x%x, keyCode=%d, scanCode=%d, metaState=0x%x, repeatCount=%d," 24746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown "downTime=%lld, eventTime=%lld", 248072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mChannel->getName().string(), seq, 249c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown deviceId, source, action, flags, keyCode, scanCode, metaState, repeatCount, 25046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown downTime, eventTime); 25146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 25246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 253072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown if (!seq) { 254072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGE("Attempted to publish a key event with sequence number 0."); 255072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return BAD_VALUE; 256072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 257072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 258cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown InputMessage msg; 259cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.header.type = InputMessage::TYPE_KEY; 260072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg.body.key.seq = seq; 261cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.key.deviceId = deviceId; 262cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.key.source = source; 263cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.key.action = action; 264cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.key.flags = flags; 265cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.key.keyCode = keyCode; 266cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.key.scanCode = scanCode; 267cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.key.metaState = metaState; 268cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.key.repeatCount = repeatCount; 269cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.key.downTime = downTime; 270cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.key.eventTime = eventTime; 271cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return mChannel->sendMessage(&msg); 27246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 27346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 27446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brownstatus_t InputPublisher::publishMotionEvent( 275072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown uint32_t seq, 27646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t deviceId, 277c5ed5910c9ef066cec6a13bbb404ec57b1e92637Jeff Brown int32_t source, 27846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t action, 27985a3176704b5bfbeece9bd928369fbb76eec7dc6Jeff Brown int32_t flags, 28046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t edgeFlags, 28146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown int32_t metaState, 282fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown int32_t buttonState, 28346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown float xOffset, 28446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown float yOffset, 28546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown float xPrecision, 28646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown float yPrecision, 28746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown nsecs_t downTime, 28846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown nsecs_t eventTime, 28946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown size_t pointerCount, 290fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown const PointerProperties* pointerProperties, 29146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown const PointerCoords* pointerCoords) { 29246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#if DEBUG_TRANSPORT_ACTIONS 293072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' publisher ~ publishMotionEvent: seq=%u, deviceId=%d, source=0x%x, " 294fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown "action=0x%x, flags=0x%x, edgeFlags=0x%x, metaState=0x%x, buttonState=0x%x, " 295fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown "xOffset=%f, yOffset=%f, " 29646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown "xPrecision=%f, yPrecision=%f, downTime=%lld, eventTime=%lld, " 29746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown "pointerCount=%d", 298072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mChannel->getName().string(), seq, 299fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown deviceId, source, action, flags, edgeFlags, metaState, buttonState, 300fe9f8ab03a63b1037f07dd85799fbea80ec6adaaJeff Brown xOffset, yOffset, xPrecision, yPrecision, downTime, eventTime, pointerCount); 30146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 30246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 303072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown if (!seq) { 304072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGE("Attempted to publish a motion event with sequence number 0."); 305072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return BAD_VALUE; 306072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 307072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 30846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown if (pointerCount > MAX_POINTERS || pointerCount < 1) { 3093762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("channel '%s' publisher ~ Invalid number of pointers provided: %d.", 31046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown mChannel->getName().string(), pointerCount); 31146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown return BAD_VALUE; 31246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 31346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 314cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown InputMessage msg; 315cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.header.type = InputMessage::TYPE_MOTION; 316072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg.body.motion.seq = seq; 317cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.deviceId = deviceId; 318cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.source = source; 319cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.action = action; 320cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.flags = flags; 321cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.edgeFlags = edgeFlags; 322cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.metaState = metaState; 323cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.buttonState = buttonState; 324cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.xOffset = xOffset; 325cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.yOffset = yOffset; 326cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.xPrecision = xPrecision; 327cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.yPrecision = yPrecision; 328cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.downTime = downTime; 329cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.eventTime = eventTime; 330cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.pointerCount = pointerCount; 33146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown for (size_t i = 0; i < pointerCount; i++) { 332cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.pointers[i].properties.copyFrom(pointerProperties[i]); 333cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.motion.pointers[i].coords.copyFrom(pointerCoords[i]); 33446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 335cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return mChannel->sendMessage(&msg); 33646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 33746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 338072ec96a4900d4616574733646ee46311cb5d2cbJeff Brownstatus_t InputPublisher::receiveFinishedSignal(uint32_t* outSeq, bool* outHandled) { 33946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#if DEBUG_TRANSPORT_ACTIONS 3405baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("channel '%s' publisher ~ receiveFinishedSignal", 34146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown mChannel->getName().string()); 34246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 34346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 344cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown InputMessage msg; 345cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown status_t result = mChannel->receiveMessage(&msg); 34646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown if (result) { 347072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown *outSeq = 0; 34849ed71db425c5054e3ad9526496a7e116c89556bJeff Brown *outHandled = false; 34946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown return result; 35046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 351cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown if (msg.header.type != InputMessage::TYPE_FINISHED) { 352cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown ALOGE("channel '%s' publisher ~ Received unexpected message of type %d from consumer", 353cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown mChannel->getName().string(), msg.header.type); 35446b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown return UNKNOWN_ERROR; 35546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown } 356072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown *outSeq = msg.body.finished.seq; 357cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown *outHandled = msg.body.finished.handled; 35846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown return OK; 35946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 36046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 36146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown// --- InputConsumer --- 36246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 36346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff BrownInputConsumer::InputConsumer(const sp<InputChannel>& channel) : 3647174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown mResampleTouch(isTouchResamplingEnabled()), 36590fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown mChannel(channel), mMsgDeferred(false) { 36646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 36746b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 36846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff BrownInputConsumer::~InputConsumer() { 36946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 37046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 3717174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brownbool InputConsumer::isTouchResamplingEnabled() { 3727174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown char value[PROPERTY_VALUE_MAX]; 3737174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown int length = property_get("debug.inputconsumer.resample", value, NULL); 3747174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (length > 0) { 3757174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (!strcmp("0", value)) { 3767174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown return false; 3777174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 3787174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (strcmp("1", value)) { 3797174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown ALOGD("Unrecognized property value for 'debug.inputconsumer.resample'. " 3807174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown "Use '1' or '0'."); 3817174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 3827174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 3837174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown return true; 3847174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown} 3857174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown 386072ec96a4900d4616574733646ee46311cb5d2cbJeff Brownstatus_t InputConsumer::consume(InputEventFactoryInterface* factory, 387771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown bool consumeBatches, nsecs_t frameTime, uint32_t* outSeq, InputEvent** outEvent) { 38846b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#if DEBUG_TRANSPORT_ACTIONS 389771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown ALOGD("channel '%s' consumer ~ consume: consumeBatches=%s, frameTime=%lld", 390771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown mChannel->getName().string(), consumeBatches ? "true" : "false", frameTime); 39146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 39246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 393072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown *outSeq = 0; 3945c225b1680e696ae8bbf505a1997d6f720672f74Jeff Brown *outEvent = NULL; 39546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 396072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown // Fetch the next input message. 397072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown // Loop until an event can be returned or no additional events are received. 398072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown while (!*outEvent) { 39990fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown if (mMsgDeferred) { 40090fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown // mMsg contains a valid input message from the previous call to consume 40190fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown // that has not yet been processed. 40290fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown mMsgDeferred = false; 40390fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown } else { 40490fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown // Receive a fresh message. 40590fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown status_t result = mChannel->receiveMessage(&mMsg); 40690fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown if (result) { 40790fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown // Consume the next batched event unless batches are being held for later. 408771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (consumeBatches || result != WOULD_BLOCK) { 409771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown result = consumeBatch(factory, frameTime, outSeq, outEvent); 410771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (*outEvent) { 411072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#if DEBUG_TRANSPORT_ACTIONS 412771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown ALOGD("channel '%s' consumer ~ consumed batch event, seq=%u", 413771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown mChannel->getName().string(), *outSeq); 414072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#endif 415771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown break; 416771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 41790fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown } 41890fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown return result; 419072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 420072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 42146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 42290fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown switch (mMsg.header.type) { 423072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown case InputMessage::TYPE_KEY: { 424072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown KeyEvent* keyEvent = factory->createKeyEvent(); 425072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown if (!keyEvent) return NO_MEMORY; 426072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 42790fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown initializeKeyEvent(keyEvent, &mMsg); 42890fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown *outSeq = mMsg.body.key.seq; 429072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown *outEvent = keyEvent; 430072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#if DEBUG_TRANSPORT_ACTIONS 431072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' consumer ~ consumed key event, seq=%u", 432072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mChannel->getName().string(), *outSeq); 433072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#endif 434072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown break; 435cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown } 43646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 437072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown case AINPUT_EVENT_TYPE_MOTION: { 43890fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown ssize_t batchIndex = findBatch(mMsg.body.motion.deviceId, mMsg.body.motion.source); 439072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown if (batchIndex >= 0) { 440072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown Batch& batch = mBatches.editItemAt(batchIndex); 441771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (canAddSample(batch, &mMsg)) { 442771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown batch.samples.push(mMsg); 443072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#if DEBUG_TRANSPORT_ACTIONS 444072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' consumer ~ appended to batch event", 445072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mChannel->getName().string()); 446072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#endif 447072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown break; 448072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } else { 449072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown // We cannot append to the batch in progress, so we need to consume 45090fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown // the previous batch right now and defer the new message until later. 45190fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown mMsgDeferred = true; 452771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown status_t result = consumeSamples(factory, 453771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown batch, batch.samples.size(), outSeq, outEvent); 454072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mBatches.removeAt(batchIndex); 455771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (result) { 456771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return result; 457771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 458072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#if DEBUG_TRANSPORT_ACTIONS 459072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' consumer ~ consumed batch event and " 460072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown "deferred current event, seq=%u", 461072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mChannel->getName().string(), *outSeq); 462072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#endif 463072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown break; 464072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 465072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 466072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 467072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown // Start a new batch if needed. 46890fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown if (mMsg.body.motion.action == AMOTION_EVENT_ACTION_MOVE 46990fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown || mMsg.body.motion.action == AMOTION_EVENT_ACTION_HOVER_MOVE) { 470072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mBatches.push(); 471072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown Batch& batch = mBatches.editTop(); 472771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown batch.samples.push(mMsg); 473072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#if DEBUG_TRANSPORT_ACTIONS 474072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' consumer ~ started batch event", 475072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mChannel->getName().string()); 476072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#endif 477072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown break; 478072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 47946b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 480072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown MotionEvent* motionEvent = factory->createMotionEvent(); 481072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown if (! motionEvent) return NO_MEMORY; 48246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 483771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown updateTouchState(&mMsg); 48490fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown initializeMotionEvent(motionEvent, &mMsg); 48590fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown *outSeq = mMsg.body.motion.seq; 486072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown *outEvent = motionEvent; 487072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#if DEBUG_TRANSPORT_ACTIONS 488072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' consumer ~ consumed motion event, seq=%u", 489072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mChannel->getName().string(), *outSeq); 490072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown#endif 491072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown break; 492072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 493072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 494072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown default: 495072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGE("channel '%s' consumer ~ Received unexpected message of type %d", 49690fde93c473aca5a33dc41c989bb2fdc5f2b1485Jeff Brown mChannel->getName().string(), mMsg.header.type); 497072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return UNKNOWN_ERROR; 498072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 499072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 50046b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown return OK; 50146b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 50246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 503771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brownstatus_t InputConsumer::consumeBatch(InputEventFactoryInterface* factory, 504771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown nsecs_t frameTime, uint32_t* outSeq, InputEvent** outEvent) { 505771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown status_t result; 506771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown for (size_t i = mBatches.size(); i-- > 0; ) { 507771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown Batch& batch = mBatches.editItemAt(i); 508771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (frameTime < 0) { 509771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown result = consumeSamples(factory, batch, batch.samples.size(), 510771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown outSeq, outEvent); 511771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown mBatches.removeAt(i); 512771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return result; 513771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 514771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 515771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown nsecs_t sampleTime = frameTime - RESAMPLE_LATENCY; 516771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown ssize_t split = findSampleNoLaterThan(batch, sampleTime); 517771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (split < 0) { 518771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown continue; 519771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 520771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 521771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown result = consumeSamples(factory, batch, split + 1, outSeq, outEvent); 522771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown const InputMessage* next; 523771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (batch.samples.isEmpty()) { 524771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown mBatches.removeAt(i); 525771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown next = NULL; 526771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } else { 527771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown next = &batch.samples.itemAt(0); 528771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 529771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (!result) { 530771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown resampleTouchState(sampleTime, static_cast<MotionEvent*>(*outEvent), next); 531771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 532771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return result; 533771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 534771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 535771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return WOULD_BLOCK; 536771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown} 537771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 538771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brownstatus_t InputConsumer::consumeSamples(InputEventFactoryInterface* factory, 539771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown Batch& batch, size_t count, uint32_t* outSeq, InputEvent** outEvent) { 540771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown MotionEvent* motionEvent = factory->createMotionEvent(); 541771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (! motionEvent) return NO_MEMORY; 542771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 543771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown uint32_t chain = 0; 544771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown for (size_t i = 0; i < count; i++) { 545771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown InputMessage& msg = batch.samples.editItemAt(i); 546771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown updateTouchState(&msg); 547771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (i) { 548771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown SeqChain seqChain; 549771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown seqChain.seq = msg.body.motion.seq; 550771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown seqChain.chain = chain; 551771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown mSeqChains.push(seqChain); 552771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown addSample(motionEvent, &msg); 553771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } else { 554771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown initializeMotionEvent(motionEvent, &msg); 555771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 556771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown chain = msg.body.motion.seq; 557771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 558771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown batch.samples.removeItemsAt(0, count); 559771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 560771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown *outSeq = chain; 561771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown *outEvent = motionEvent; 562771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return OK; 563771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown} 564771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 565771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brownvoid InputConsumer::updateTouchState(InputMessage* msg) { 5667174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (!mResampleTouch || 5677174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown !(msg->body.motion.source & AINPUT_SOURCE_CLASS_POINTER)) { 568771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return; 569771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 570771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 571771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown int32_t deviceId = msg->body.motion.deviceId; 572771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown int32_t source = msg->body.motion.source; 5737174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown nsecs_t eventTime = msg->body.motion.eventTime; 574771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 5757174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown // Update the touch state history to incorporate the new input message. 5767174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown // If the message is in the past relative to the most recently produced resampled 5777174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown // touch, then use the resampled time and coordinates instead. 5787174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown switch (msg->body.motion.action & AMOTION_EVENT_ACTION_MASK) { 579771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown case AMOTION_EVENT_ACTION_DOWN: { 580771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown ssize_t index = findTouchState(deviceId, source); 581771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (index < 0) { 582771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown mTouchStates.push(); 583771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown index = mTouchStates.size() - 1; 584771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 585771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown TouchState& touchState = mTouchStates.editItemAt(index); 586771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown touchState.initialize(deviceId, source); 587771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown touchState.addHistory(msg); 588771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown break; 589771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 590771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 591771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown case AMOTION_EVENT_ACTION_MOVE: { 592771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown ssize_t index = findTouchState(deviceId, source); 593771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (index >= 0) { 594771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown TouchState& touchState = mTouchStates.editItemAt(index); 595771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown touchState.addHistory(msg); 5967174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (eventTime < touchState.lastResample.eventTime) { 5977174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown rewriteMessage(touchState, msg); 5987174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } else { 5997174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown touchState.lastResample.idBits.clear(); 6007174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 6017174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 6027174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown break; 6037174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 6047174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown 6057174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown case AMOTION_EVENT_ACTION_POINTER_DOWN: { 6067174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown ssize_t index = findTouchState(deviceId, source); 6077174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (index >= 0) { 6087174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown TouchState& touchState = mTouchStates.editItemAt(index); 6097174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown touchState.lastResample.idBits.clearBit(msg->body.motion.getActionId()); 6107174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown rewriteMessage(touchState, msg); 6117174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 6127174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown break; 6137174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 6147174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown 6157174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown case AMOTION_EVENT_ACTION_POINTER_UP: { 6167174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown ssize_t index = findTouchState(deviceId, source); 6177174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (index >= 0) { 6187174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown TouchState& touchState = mTouchStates.editItemAt(index); 6197174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown rewriteMessage(touchState, msg); 6207174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown touchState.lastResample.idBits.clearBit(msg->body.motion.getActionId()); 6217174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 6227174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown break; 6237174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 6247174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown 6257174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown case AMOTION_EVENT_ACTION_SCROLL: { 6267174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown ssize_t index = findTouchState(deviceId, source); 6277174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (index >= 0) { 6287174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown const TouchState& touchState = mTouchStates.itemAt(index); 6297174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown rewriteMessage(touchState, msg); 630771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 631771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown break; 632771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 633771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 634771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown case AMOTION_EVENT_ACTION_UP: 635771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown case AMOTION_EVENT_ACTION_CANCEL: { 636771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown ssize_t index = findTouchState(deviceId, source); 637771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (index >= 0) { 6387174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown const TouchState& touchState = mTouchStates.itemAt(index); 6397174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown rewriteMessage(touchState, msg); 640771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown mTouchStates.removeAt(index); 641771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 642771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown break; 643771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 644771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 645771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown} 646771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 6477174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brownvoid InputConsumer::rewriteMessage(const TouchState& state, InputMessage* msg) { 6487174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown for (size_t i = 0; i < msg->body.motion.pointerCount; i++) { 6497174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown uint32_t id = msg->body.motion.pointers[i].properties.id; 6507174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (state.lastResample.idBits.hasBit(id)) { 6517174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown PointerCoords& msgCoords = msg->body.motion.pointers[i].coords; 6527174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown const PointerCoords& resampleCoords = state.lastResample.getPointerById(id); 653771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#if DEBUG_RESAMPLING 6547174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown ALOGD("[%d] - rewrite (%0.3f, %0.3f), old (%0.3f, %0.3f)", id, 6557174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown resampleCoords.getAxisValue(AMOTION_EVENT_AXIS_X), 6567174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown resampleCoords.getAxisValue(AMOTION_EVENT_AXIS_Y), 6577174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown msgCoords.getAxisValue(AMOTION_EVENT_AXIS_X), 6587174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown msgCoords.getAxisValue(AMOTION_EVENT_AXIS_Y)); 659771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#endif 6607174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown msgCoords.setAxisValue(AMOTION_EVENT_AXIS_X, resampleCoords.getX()); 6617174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown msgCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, resampleCoords.getY()); 6627174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 6637174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 6647174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown} 6657174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown 6667174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brownvoid InputConsumer::resampleTouchState(nsecs_t sampleTime, MotionEvent* event, 6677174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown const InputMessage* next) { 6687174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (!mResampleTouch 6697174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown || !(event->getSource() & AINPUT_SOURCE_CLASS_POINTER) 6707174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown || event->getAction() != AMOTION_EVENT_ACTION_MOVE) { 671771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return; 672771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 673771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 674771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown ssize_t index = findTouchState(event->getDeviceId(), event->getSource()); 675771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (index < 0) { 676771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#if DEBUG_RESAMPLING 677771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown ALOGD("Not resampled, no touch state for device."); 678771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#endif 679771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return; 680771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 681771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 682771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown TouchState& touchState = mTouchStates.editItemAt(index); 683771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (touchState.historySize < 1) { 684771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#if DEBUG_RESAMPLING 685771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown ALOGD("Not resampled, no history for device."); 686771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#endif 687771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return; 688771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 689771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 6907174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown // Ensure that the current sample has all of the pointers that need to be reported. 691771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown const History* current = touchState.getHistory(0); 6927174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown size_t pointerCount = event->getPointerCount(); 6937174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown for (size_t i = 0; i < pointerCount; i++) { 6947174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown uint32_t id = event->getPointerId(i); 6957174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (!current->idBits.hasBit(id)) { 6967174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown#if DEBUG_RESAMPLING 6977174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown ALOGD("Not resampled, missing id %d", id); 6987174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown#endif 6997174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown return; 7007174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 7017174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 7027174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown 7037174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown // Find the data to use for resampling. 704771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown const History* other; 705771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown History future; 7067174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown float alpha; 707771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (next) { 7087174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown // Interpolate between current sample and future sample. 7097174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown // So current->eventTime <= sampleTime <= future.eventTime. 710771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown future.initializeFrom(next); 711771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown other = &future; 7127174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown nsecs_t delta = future.eventTime - current->eventTime; 7137174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (delta < RESAMPLE_MIN_DELTA) { 7147174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown#if DEBUG_RESAMPLING 7157174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown ALOGD("Not resampled, delta time is %lld ns.", delta); 7167174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown#endif 7177174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown return; 7187174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 7197174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown alpha = float(sampleTime - current->eventTime) / delta; 720771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } else if (touchState.historySize >= 2) { 7217174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown // Extrapolate future sample using current sample and past sample. 7227174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown // So other->eventTime <= current->eventTime <= sampleTime. 723771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown other = touchState.getHistory(1); 7247174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown nsecs_t delta = current->eventTime - other->eventTime; 7257174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (delta < RESAMPLE_MIN_DELTA) { 726771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#if DEBUG_RESAMPLING 7277174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown ALOGD("Not resampled, delta time is %lld ns.", delta); 728771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#endif 7297174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown return; 7307174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 7317174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown nsecs_t maxPredict = current->eventTime + min(delta / 2, RESAMPLE_MAX_PREDICTION); 7327174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown if (sampleTime > maxPredict) { 733771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#if DEBUG_RESAMPLING 7347174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown ALOGD("Sample time is too far in the future, adjusting prediction " 7357174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown "from %lld to %lld ns.", 7367174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown sampleTime - current->eventTime, maxPredict - current->eventTime); 737771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#endif 7387174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown sampleTime = maxPredict; 7397174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } 7407174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown alpha = float(current->eventTime - sampleTime) / delta; 7417174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown } else { 742771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#if DEBUG_RESAMPLING 7437174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown ALOGD("Not resampled, insufficient data."); 744771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#endif 745771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return; 746771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 747771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 7487174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown // Resample touch coordinates. 7497174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown touchState.lastResample.eventTime = sampleTime; 7507174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown touchState.lastResample.idBits.clear(); 751771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown for (size_t i = 0; i < pointerCount; i++) { 752771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown uint32_t id = event->getPointerId(i); 7537174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown touchState.lastResample.idToIndex[id] = i; 7547174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown touchState.lastResample.idBits.markBit(id); 7557174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown PointerCoords& resampledCoords = touchState.lastResample.pointers[i]; 7567174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown const PointerCoords& currentCoords = current->getPointerById(id); 757771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (other->idBits.hasBit(id) 758771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown && shouldResampleTool(event->getToolType(i))) { 7597174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown const PointerCoords& otherCoords = other->getPointerById(id); 7607174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown resampledCoords.copyFrom(currentCoords); 7617174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown resampledCoords.setAxisValue(AMOTION_EVENT_AXIS_X, 7627174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown lerp(currentCoords.getX(), otherCoords.getX(), alpha)); 7637174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown resampledCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, 7647174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown lerp(currentCoords.getY(), otherCoords.getY(), alpha)); 765771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#if DEBUG_RESAMPLING 766771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown ALOGD("[%d] - out (%0.3f, %0.3f), cur (%0.3f, %0.3f), " 767771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown "other (%0.3f, %0.3f), alpha %0.3f", 7687174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown id, resampledCoords.getX(), resampledCoords.getY(), 769771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown currentCoords.getX(), currentCoords.getY(), 770771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown otherCoords.getX(), otherCoords.getY(), 771771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown alpha); 772771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#endif 773771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } else { 7747174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown resampledCoords.copyFrom(currentCoords); 775771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#if DEBUG_RESAMPLING 776771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown ALOGD("[%d] - out (%0.3f, %0.3f), cur (%0.3f, %0.3f)", 7777174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown id, resampledCoords.getX(), resampledCoords.getY(), 778771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown currentCoords.getX(), currentCoords.getY()); 779771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown#endif 780771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 781771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 782771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 7837174a491bc1f89da65eaef3be25f3ea3f3e3bab5Jeff Brown event->addSample(sampleTime, touchState.lastResample.pointers); 784771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown} 785771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 786771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brownbool InputConsumer::shouldResampleTool(int32_t toolType) { 787771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return toolType == AMOTION_EVENT_TOOL_TYPE_FINGER 788771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown || toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN; 789771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown} 790771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 791072ec96a4900d4616574733646ee46311cb5d2cbJeff Brownstatus_t InputConsumer::sendFinishedSignal(uint32_t seq, bool handled) { 79246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#if DEBUG_TRANSPORT_ACTIONS 793072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGD("channel '%s' consumer ~ sendFinishedSignal: seq=%u, handled=%s", 794072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown mChannel->getName().string(), seq, handled ? "true" : "false"); 79546b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown#endif 79646b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 797072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown if (!seq) { 798072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown ALOGE("Attempted to send a finished signal with sequence number 0."); 799072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return BAD_VALUE; 800072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 801072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 8022d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown // Send finished signals for the batch sequence chain first. 8032d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown size_t seqChainCount = mSeqChains.size(); 8042d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown if (seqChainCount) { 8052d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown uint32_t currentSeq = seq; 8062d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown uint32_t chainSeqs[seqChainCount]; 8072d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown size_t chainIndex = 0; 8082d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown for (size_t i = seqChainCount; i-- > 0; ) { 8092d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown const SeqChain& seqChain = mSeqChains.itemAt(i); 8102d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown if (seqChain.seq == currentSeq) { 8112d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown currentSeq = seqChain.chain; 8122d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown chainSeqs[chainIndex++] = currentSeq; 8132d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown mSeqChains.removeAt(i); 8142d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown } 8152d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown } 8162d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown status_t status = OK; 8172d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown while (!status && chainIndex-- > 0) { 8182d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown status = sendUnchainedFinishedSignal(chainSeqs[chainIndex], handled); 8192d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown } 8202d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown if (status) { 8212d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown // An error occurred so at least one signal was not sent, reconstruct the chain. 8222d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown do { 8232d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown SeqChain seqChain; 8242d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown seqChain.seq = chainIndex != 0 ? chainSeqs[chainIndex - 1] : seq; 8252d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown seqChain.chain = chainSeqs[chainIndex]; 8262d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown mSeqChains.push(seqChain); 8272d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown } while (chainIndex-- > 0); 8282d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown return status; 8292d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown } 8302d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown } 8312d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown 8322d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown // Send finished signal for the last message in the batch. 8332d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown return sendUnchainedFinishedSignal(seq, handled); 8342d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown} 8352d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brown 8362d34e0cfe7e2586b75a6f2c6646dd2e1e52c973fJeff Brownstatus_t InputConsumer::sendUnchainedFinishedSignal(uint32_t seq, bool handled) { 837cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown InputMessage msg; 838cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.header.type = InputMessage::TYPE_FINISHED; 839072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg.body.finished.seq = seq; 840cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown msg.body.finished.handled = handled; 841cbee6d6ede0499fb4a2c00bfc00d5db8d9ed5139Jeff Brown return mChannel->sendMessage(&msg); 84246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} 84346b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown 8442b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brownbool InputConsumer::hasDeferredEvent() const { 8452b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown return mMsgDeferred; 8462b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown} 8472b6c32ca4177f1a97307f9cbd81ca485df28762cJeff Brown 848072ec96a4900d4616574733646ee46311cb5d2cbJeff Brownbool InputConsumer::hasPendingBatch() const { 849072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return !mBatches.isEmpty(); 850072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown} 851072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 852072ec96a4900d4616574733646ee46311cb5d2cbJeff Brownssize_t InputConsumer::findBatch(int32_t deviceId, int32_t source) const { 853072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown for (size_t i = 0; i < mBatches.size(); i++) { 854072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown const Batch& batch = mBatches.itemAt(i); 855771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown const InputMessage& head = batch.samples.itemAt(0); 856771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (head.body.motion.deviceId == deviceId && head.body.motion.source == source) { 857771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return i; 858771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 859771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 860771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return -1; 861771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown} 862771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 863771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brownssize_t InputConsumer::findTouchState(int32_t deviceId, int32_t source) const { 864771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown for (size_t i = 0; i < mTouchStates.size(); i++) { 865771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown const TouchState& touchState = mTouchStates.itemAt(i); 866771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (touchState.deviceId == deviceId && touchState.source == source) { 867072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return i; 868072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 869072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 870072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return -1; 871072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown} 872072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 873072ec96a4900d4616574733646ee46311cb5d2cbJeff Brownvoid InputConsumer::initializeKeyEvent(KeyEvent* event, const InputMessage* msg) { 874072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown event->initialize( 875072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.key.deviceId, 876072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.key.source, 877072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.key.action, 878072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.key.flags, 879072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.key.keyCode, 880072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.key.scanCode, 881072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.key.metaState, 882072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.key.repeatCount, 883072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.key.downTime, 884072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.key.eventTime); 885072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown} 886072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 887072ec96a4900d4616574733646ee46311cb5d2cbJeff Brownvoid InputConsumer::initializeMotionEvent(MotionEvent* event, const InputMessage* msg) { 888072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown size_t pointerCount = msg->body.motion.pointerCount; 889072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown PointerProperties pointerProperties[pointerCount]; 890072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown PointerCoords pointerCoords[pointerCount]; 891072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown for (size_t i = 0; i < pointerCount; i++) { 892072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown pointerProperties[i].copyFrom(msg->body.motion.pointers[i].properties); 893072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown pointerCoords[i].copyFrom(msg->body.motion.pointers[i].coords); 894072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 895072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 896072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown event->initialize( 897072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.deviceId, 898072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.source, 899072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.action, 900072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.flags, 901072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.edgeFlags, 902072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.metaState, 903072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.buttonState, 904072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.xOffset, 905072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.yOffset, 906072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.xPrecision, 907072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.yPrecision, 908072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.downTime, 909072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown msg->body.motion.eventTime, 910072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown pointerCount, 911072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown pointerProperties, 912072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown pointerCoords); 913072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown} 914072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 915771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brownvoid InputConsumer::addSample(MotionEvent* event, const InputMessage* msg) { 916771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown size_t pointerCount = msg->body.motion.pointerCount; 917771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown PointerCoords pointerCoords[pointerCount]; 918771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown for (size_t i = 0; i < pointerCount; i++) { 919771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown pointerCoords[i].copyFrom(msg->body.motion.pointers[i].coords); 920771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown } 921771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 922771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown event->setMetaState(event->getMetaState() | msg->body.motion.metaState); 923771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown event->addSample(msg->body.motion.eventTime, pointerCoords); 924771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown} 925771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown 926771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brownbool InputConsumer::canAddSample(const Batch& batch, const InputMessage *msg) { 927771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown const InputMessage& head = batch.samples.itemAt(0); 928072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown size_t pointerCount = msg->body.motion.pointerCount; 929771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (head.body.motion.pointerCount != pointerCount 930771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown || head.body.motion.action != msg->body.motion.action) { 931072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return false; 932072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 933072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown for (size_t i = 0; i < pointerCount; i++) { 934771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown if (head.body.motion.pointers[i].properties 935771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown != msg->body.motion.pointers[i].properties) { 936072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return false; 937072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 938072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 939072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown return true; 940072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown} 941072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 942771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brownssize_t InputConsumer::findSampleNoLaterThan(const Batch& batch, nsecs_t time) { 943771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown size_t numSamples = batch.samples.size(); 944771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown size_t index = 0; 945771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown while (index < numSamples 946771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown && batch.samples.itemAt(index).body.motion.eventTime <= time) { 947771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown index += 1; 948072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown } 949771526c88f5cc4b56a41cb12aa06a28d377a07d5Jeff Brown return ssize_t(index) - 1; 950072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown} 951072ec96a4900d4616574733646ee46311cb5d2cbJeff Brown 95246b9ac0ae2162309774a7478cd9d4e578747bfc2Jeff Brown} // namespace android 953