Remove Gonk build directories

1 files changed, 0 insertions, 957 deletions

diff --git a/widget/gonk/libui/InputTransport.cpp b/widget/gonk/libui/InputTransport.cpp
deleted file mode 100644
index 3f0fcb047..000000000
--- a/widget/gonk/libui/InputTransport.cpp
+++ /dev/null
@@ -1,957 +0,0 @@
-//
-// Copyright 2010 The Android Open Source Project
-//
-// Provides a shared memory transport for input events.
-//
-#define LOG_TAG "InputTransport"
-
-//#define LOG_NDEBUG 0
-
-// Log debug messages about channel messages (send message, receive message)
-#define DEBUG_CHANNEL_MESSAGES 0
-
-// Log debug messages whenever InputChannel objects are created/destroyed
-#define DEBUG_CHANNEL_LIFECYCLE 0
-
-// Log debug messages about transport actions
-#define DEBUG_TRANSPORT_ACTIONS 0
-
-// Log debug messages about touch event resampling
-#define DEBUG_RESAMPLING 0
-
-
-#include "cutils_log.h"
-#include <cutils/properties.h>
-#include <errno.h>
-#include <fcntl.h>
-#include "InputTransport.h"
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <math.h>
-
-
-namespace android {
-
-// Socket buffer size.  The default is typically about 128KB, which is much larger than
-// we really need.  So we make it smaller.  It just needs to be big enough to hold
-// a few dozen large multi-finger motion events in the case where an application gets
-// behind processing touches.
-static const size_t SOCKET_BUFFER_SIZE = 32 * 1024;
-
-// Nanoseconds per milliseconds.
-static const nsecs_t NANOS_PER_MS = 1000000;
-
-// Latency added during resampling.  A few milliseconds doesn't hurt much but
-// reduces the impact of mispredicted touch positions.
-static const nsecs_t RESAMPLE_LATENCY = 5 * NANOS_PER_MS;
-
-// Minimum time difference between consecutive samples before attempting to resample.
-static const nsecs_t RESAMPLE_MIN_DELTA = 2 * NANOS_PER_MS;
-
-// Maximum time to predict forward from the last known state, to avoid predicting too
-// far into the future.  This time is further bounded by 50% of the last time delta.
-static const nsecs_t RESAMPLE_MAX_PREDICTION = 8 * NANOS_PER_MS;
-
-template<typename T>
-inline static T min(const T& a, const T& b) {
-    return a < b ? a : b;
-}
-
-inline static float lerp(float a, float b, float alpha) {
-    return a + alpha * (b - a);
-}
-
-// --- InputMessage ---
-
-bool InputMessage::isValid(size_t actualSize) const {
-    if (size() == actualSize) {
-        switch (header.type) {
-        case TYPE_KEY:
-            return true;
-        case TYPE_MOTION:
-            return body.motion.pointerCount > 0
-                    && body.motion.pointerCount <= MAX_POINTERS;
-        case TYPE_FINISHED:
-            return true;
-        }
-    }
-    return false;
-}
-
-size_t InputMessage::size() const {
-    switch (header.type) {
-    case TYPE_KEY:
-        return sizeof(Header) + body.key.size();
-    case TYPE_MOTION:
-        return sizeof(Header) + body.motion.size();
-    case TYPE_FINISHED:
-        return sizeof(Header) + body.finished.size();
-    }
-    return sizeof(Header);
-}
-
-
-// --- InputChannel ---
-
-InputChannel::InputChannel(const String8& name, int fd) :
-        mName(name), mFd(fd) {
-#if DEBUG_CHANNEL_LIFECYCLE
-    ALOGD("Input channel constructed: name='%s', fd=%d",
-            mName.string(), fd);
-#endif
-
-    int result = fcntl(mFd, F_SETFL, O_NONBLOCK);
-    LOG_ALWAYS_FATAL_IF(result != 0, "channel '%s' ~ Could not make socket "
-            "non-blocking.  errno=%d", mName.string(), errno);
-}
-
-InputChannel::~InputChannel() {
-#if DEBUG_CHANNEL_LIFECYCLE
-    ALOGD("Input channel destroyed: name='%s', fd=%d",
-            mName.string(), mFd);
-#endif
-
-    ::close(mFd);
-}
-
-status_t InputChannel::openInputChannelPair(const String8& name,
-        sp<InputChannel>& outServerChannel, sp<InputChannel>& outClientChannel) {
-    int sockets[2];
-    if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, sockets)) {
-        status_t result = -errno;
-        ALOGE("channel '%s' ~ Could not create socket pair.  errno=%d",
-                name.string(), errno);
-        outServerChannel.clear();
-        outClientChannel.clear();
-        return result;
-    }
-
-    int bufferSize = SOCKET_BUFFER_SIZE;
-    setsockopt(sockets[0], SOL_SOCKET, SO_SNDBUF, &bufferSize, sizeof(bufferSize));
-    setsockopt(sockets[0], SOL_SOCKET, SO_RCVBUF, &bufferSize, sizeof(bufferSize));
-    setsockopt(sockets[1], SOL_SOCKET, SO_SNDBUF, &bufferSize, sizeof(bufferSize));
-    setsockopt(sockets[1], SOL_SOCKET, SO_RCVBUF, &bufferSize, sizeof(bufferSize));
-
-    String8 serverChannelName = name;
-    serverChannelName.append(" (server)");
-    outServerChannel = new InputChannel(serverChannelName, sockets[0]);
-
-    String8 clientChannelName = name;
-    clientChannelName.append(" (client)");
-    outClientChannel = new InputChannel(clientChannelName, sockets[1]);
-    return OK;
-}
-
-status_t InputChannel::sendMessage(const InputMessage* msg) {
-    size_t msgLength = msg->size();
-    ssize_t nWrite;
-    do {
-        nWrite = ::send(mFd, msg, msgLength, MSG_DONTWAIT | MSG_NOSIGNAL);
-    } while (nWrite == -1 && errno == EINTR);
-
-    if (nWrite < 0) {
-        int error = errno;
-#if DEBUG_CHANNEL_MESSAGES
-        ALOGD("channel '%s' ~ error sending message of type %d, errno=%d", mName.string(),
-                msg->header.type, error);
-#endif
-        if (error == EAGAIN || error == EWOULDBLOCK) {
-            return WOULD_BLOCK;
-        }
-        if (error == EPIPE || error == ENOTCONN) {
-            return DEAD_OBJECT;
-        }
-        return -error;
-    }
-
-    if (size_t(nWrite) != msgLength) {
-#if DEBUG_CHANNEL_MESSAGES
-        ALOGD("channel '%s' ~ error sending message type %d, send was incomplete",
-                mName.string(), msg->header.type);
-#endif
-        return DEAD_OBJECT;
-    }
-
-#if DEBUG_CHANNEL_MESSAGES
-    ALOGD("channel '%s' ~ sent message of type %d", mName.string(), msg->header.type);
-#endif
-    return OK;
-}
-
-status_t InputChannel::receiveMessage(InputMessage* msg) {
-    ssize_t nRead;
-    do {
-        nRead = ::recv(mFd, msg, sizeof(InputMessage), MSG_DONTWAIT);
-    } while (nRead == -1 && errno == EINTR);
-
-    if (nRead < 0) {
-        int error = errno;
-#if DEBUG_CHANNEL_MESSAGES
-        ALOGD("channel '%s' ~ receive message failed, errno=%d", mName.string(), errno);
-#endif
-        if (error == EAGAIN || error == EWOULDBLOCK) {
-            return WOULD_BLOCK;
-        }
-        if (error == EPIPE || error == ENOTCONN) {
-            return DEAD_OBJECT;
-        }
-        return -error;
-    }
-
-    if (nRead == 0) { // check for EOF
-#if DEBUG_CHANNEL_MESSAGES
-        ALOGD("channel '%s' ~ receive message failed because peer was closed", mName.string());
-#endif
-        return DEAD_OBJECT;
-    }
-
-    if (!msg->isValid(nRead)) {
-#if DEBUG_CHANNEL_MESSAGES
-        ALOGD("channel '%s' ~ received invalid message", mName.string());
-#endif
-        return BAD_VALUE;
-    }
-
-#if DEBUG_CHANNEL_MESSAGES
-    ALOGD("channel '%s' ~ received message of type %d", mName.string(), msg->header.type);
-#endif
-    return OK;
-}
-
-sp<InputChannel> InputChannel::dup() const {
-    int fd = ::dup(getFd());
-    return fd >= 0 ? new InputChannel(getName(), fd) : NULL;
-}
-
-
-// --- InputPublisher ---
-
-InputPublisher::InputPublisher(const sp<InputChannel>& channel) :
-        mChannel(channel) {
-}
-
-InputPublisher::~InputPublisher() {
-}
-
-status_t InputPublisher::publishKeyEvent(
-        uint32_t seq,
-        int32_t deviceId,
-        int32_t source,
-        int32_t action,
-        int32_t flags,
-        int32_t keyCode,
-        int32_t scanCode,
-        int32_t metaState,
-        int32_t repeatCount,
-        nsecs_t downTime,
-        nsecs_t eventTime) {
-#if DEBUG_TRANSPORT_ACTIONS
-    ALOGD("channel '%s' publisher ~ publishKeyEvent: seq=%u, deviceId=%d, source=0x%x, "
-            "action=0x%x, flags=0x%x, keyCode=%d, scanCode=%d, metaState=0x%x, repeatCount=%d,"
-            "downTime=%lld, eventTime=%lld",
-            mChannel->getName().string(), seq,
-            deviceId, source, action, flags, keyCode, scanCode, metaState, repeatCount,
-            downTime, eventTime);
-#endif
-
-    if (!seq) {
-        ALOGE("Attempted to publish a key event with sequence number 0.");
-        return BAD_VALUE;
-    }
-
-    InputMessage msg;
-    msg.header.type = InputMessage::TYPE_KEY;
-    msg.body.key.seq = seq;
-    msg.body.key.deviceId = deviceId;
-    msg.body.key.source = source;
-    msg.body.key.action = action;
-    msg.body.key.flags = flags;
-    msg.body.key.keyCode = keyCode;
-    msg.body.key.scanCode = scanCode;
-    msg.body.key.metaState = metaState;
-    msg.body.key.repeatCount = repeatCount;
-    msg.body.key.downTime = downTime;
-    msg.body.key.eventTime = eventTime;
-    return mChannel->sendMessage(&msg);
-}
-
-status_t InputPublisher::publishMotionEvent(
-        uint32_t seq,
-        int32_t deviceId,
-        int32_t source,
-        int32_t action,
-        int32_t flags,
-        int32_t edgeFlags,
-        int32_t metaState,
-        int32_t buttonState,
-        float xOffset,
-        float yOffset,
-        float xPrecision,
-        float yPrecision,
-        nsecs_t downTime,
-        nsecs_t eventTime,
-        size_t pointerCount,
-        const PointerProperties* pointerProperties,
-        const PointerCoords* pointerCoords) {
-#if DEBUG_TRANSPORT_ACTIONS
-    ALOGD("channel '%s' publisher ~ publishMotionEvent: seq=%u, deviceId=%d, source=0x%x, "
-            "action=0x%x, flags=0x%x, edgeFlags=0x%x, metaState=0x%x, buttonState=0x%x, "
-            "xOffset=%f, yOffset=%f, "
-            "xPrecision=%f, yPrecision=%f, downTime=%lld, eventTime=%lld, "
-            "pointerCount=%d",
-            mChannel->getName().string(), seq,
-            deviceId, source, action, flags, edgeFlags, metaState, buttonState,
-            xOffset, yOffset, xPrecision, yPrecision, downTime, eventTime, pointerCount);
-#endif
-
-    if (!seq) {
-        ALOGE("Attempted to publish a motion event with sequence number 0.");
-        return BAD_VALUE;
-    }
-
-    if (pointerCount > MAX_POINTERS || pointerCount < 1) {
-        ALOGE("channel '%s' publisher ~ Invalid number of pointers provided: %d.",
-                mChannel->getName().string(), pointerCount);
-        return BAD_VALUE;
-    }
-
-    InputMessage msg;
-    msg.header.type = InputMessage::TYPE_MOTION;
-    msg.body.motion.seq = seq;
-    msg.body.motion.deviceId = deviceId;
-    msg.body.motion.source = source;
-    msg.body.motion.action = action;
-    msg.body.motion.flags = flags;
-    msg.body.motion.edgeFlags = edgeFlags;
-    msg.body.motion.metaState = metaState;
-    msg.body.motion.buttonState = buttonState;
-    msg.body.motion.xOffset = xOffset;
-    msg.body.motion.yOffset = yOffset;
-    msg.body.motion.xPrecision = xPrecision;
-    msg.body.motion.yPrecision = yPrecision;
-    msg.body.motion.downTime = downTime;
-    msg.body.motion.eventTime = eventTime;
-    msg.body.motion.pointerCount = pointerCount;
-    for (size_t i = 0; i < pointerCount; i++) {
-        msg.body.motion.pointers[i].properties.copyFrom(pointerProperties[i]);
-        msg.body.motion.pointers[i].coords.copyFrom(pointerCoords[i]);
-    }
-    return mChannel->sendMessage(&msg);
-}
-
-status_t InputPublisher::receiveFinishedSignal(uint32_t* outSeq, bool* outHandled) {
-#if DEBUG_TRANSPORT_ACTIONS
-    ALOGD("channel '%s' publisher ~ receiveFinishedSignal",
-            mChannel->getName().string());
-#endif
-
-    InputMessage msg;
-    status_t result = mChannel->receiveMessage(&msg);
-    if (result) {
-        *outSeq = 0;
-        *outHandled = false;
-        return result;
-    }
-    if (msg.header.type != InputMessage::TYPE_FINISHED) {
-        ALOGE("channel '%s' publisher ~ Received unexpected message of type %d from consumer",
-                mChannel->getName().string(), msg.header.type);
-        return UNKNOWN_ERROR;
-    }
-    *outSeq = msg.body.finished.seq;
-    *outHandled = msg.body.finished.handled;
-    return OK;
-}
-
-// --- InputConsumer ---
-
-InputConsumer::InputConsumer(const sp<InputChannel>& channel) :
-        mResampleTouch(isTouchResamplingEnabled()),
-        mChannel(channel), mMsgDeferred(false) {
-}
-
-InputConsumer::~InputConsumer() {
-}
-
-bool InputConsumer::isTouchResamplingEnabled() {
-    char value[PROPERTY_VALUE_MAX];
-    int length = property_get("debug.inputconsumer.resample", value, NULL);
-    if (length > 0) {
-        if (!strcmp("0", value)) {
-            return false;
-        }
-        if (strcmp("1", value)) {
-            ALOGD("Unrecognized property value for 'debug.inputconsumer.resample'.  "
-                    "Use '1' or '0'.");
-        }
-    }
-    return true;
-}
-
-status_t InputConsumer::consume(InputEventFactoryInterface* factory,
-        bool consumeBatches, nsecs_t frameTime, uint32_t* outSeq, InputEvent** outEvent) {
-#if DEBUG_TRANSPORT_ACTIONS
-    ALOGD("channel '%s' consumer ~ consume: consumeBatches=%s, frameTime=%lld",
-            mChannel->getName().string(), consumeBatches ? "true" : "false", frameTime);
-#endif
-
-    *outSeq = 0;
-    *outEvent = NULL;
-
-    // Fetch the next input message.
-    // Loop until an event can be returned or no additional events are received.
-    while (!*outEvent) {
-        if (mMsgDeferred) {
-            // mMsg contains a valid input message from the previous call to consume
-            // that has not yet been processed.
-            mMsgDeferred = false;
-        } else {
-            // Receive a fresh message.
-            status_t result = mChannel->receiveMessage(&mMsg);
-            if (result) {
-                // Consume the next batched event unless batches are being held for later.
-                if (consumeBatches || result != WOULD_BLOCK) {
-                    result = consumeBatch(factory, frameTime, outSeq, outEvent);
-                    if (*outEvent) {
-#if DEBUG_TRANSPORT_ACTIONS
-                        ALOGD("channel '%s' consumer ~ consumed batch event, seq=%u",
-                                mChannel->getName().string(), *outSeq);
-#endif
-                        break;
-                    }
-                }
-                return result;
-            }
-        }
-
-        switch (mMsg.header.type) {
-        case InputMessage::TYPE_KEY: {
-            KeyEvent* keyEvent = factory->createKeyEvent();
-            if (!keyEvent) return NO_MEMORY;
-
-            initializeKeyEvent(keyEvent, &mMsg);
-            *outSeq = mMsg.body.key.seq;
-            *outEvent = keyEvent;
-#if DEBUG_TRANSPORT_ACTIONS
-            ALOGD("channel '%s' consumer ~ consumed key event, seq=%u",
-                    mChannel->getName().string(), *outSeq);
-#endif
-            break;
-        }
-
-        case AINPUT_EVENT_TYPE_MOTION: {
-            ssize_t batchIndex = findBatch(mMsg.body.motion.deviceId, mMsg.body.motion.source);
-            if (batchIndex >= 0) {
-                Batch& batch = mBatches.editItemAt(batchIndex);
-                if (canAddSample(batch, &mMsg)) {
-                    batch.samples.push(mMsg);
-#if DEBUG_TRANSPORT_ACTIONS
-                    ALOGD("channel '%s' consumer ~ appended to batch event",
-                            mChannel->getName().string());
-#endif
-                    break;
-                } else {
-                    // We cannot append to the batch in progress, so we need to consume
-                    // the previous batch right now and defer the new message until later.
-                    mMsgDeferred = true;
-                    status_t result = consumeSamples(factory,
-                            batch, batch.samples.size(), outSeq, outEvent);
-                    mBatches.removeAt(batchIndex);
-                    if (result) {
-                        return result;
-                    }
-#if DEBUG_TRANSPORT_ACTIONS
-                    ALOGD("channel '%s' consumer ~ consumed batch event and "
-                            "deferred current event, seq=%u",
-                            mChannel->getName().string(), *outSeq);
-#endif
-                    break;
-                }
-            }
-
-            // Start a new batch if needed.
-            if (mMsg.body.motion.action == AMOTION_EVENT_ACTION_MOVE
-                    || mMsg.body.motion.action == AMOTION_EVENT_ACTION_HOVER_MOVE) {
-                mBatches.push();
-                Batch& batch = mBatches.editTop();
-                batch.samples.push(mMsg);
-#if DEBUG_TRANSPORT_ACTIONS
-                ALOGD("channel '%s' consumer ~ started batch event",
-                        mChannel->getName().string());
-#endif
-                break;
-            }
-
-            MotionEvent* motionEvent = factory->createMotionEvent();
-            if (! motionEvent) return NO_MEMORY;
-
-            updateTouchState(&mMsg);
-            initializeMotionEvent(motionEvent, &mMsg);
-            *outSeq = mMsg.body.motion.seq;
-            *outEvent = motionEvent;
-#if DEBUG_TRANSPORT_ACTIONS
-            ALOGD("channel '%s' consumer ~ consumed motion event, seq=%u",
-                    mChannel->getName().string(), *outSeq);
-#endif
-            break;
-        }
-
-        default:
-            ALOGE("channel '%s' consumer ~ Received unexpected message of type %d",
-                    mChannel->getName().string(), mMsg.header.type);
-            return UNKNOWN_ERROR;
-        }
-    }
-    return OK;
-}
-
-status_t InputConsumer::consumeBatch(InputEventFactoryInterface* factory,
-        nsecs_t frameTime, uint32_t* outSeq, InputEvent** outEvent) {
-    status_t result;
-    for (size_t i = mBatches.size(); i-- > 0; ) {
-        Batch& batch = mBatches.editItemAt(i);
-        if (frameTime < 0) {
-            result = consumeSamples(factory, batch, batch.samples.size(),
-                    outSeq, outEvent);
-            mBatches.removeAt(i);
-            return result;
-        }
-
-        nsecs_t sampleTime = frameTime - RESAMPLE_LATENCY;
-        ssize_t split = findSampleNoLaterThan(batch, sampleTime);
-        if (split < 0) {
-            continue;
-        }
-
-        result = consumeSamples(factory, batch, split + 1, outSeq, outEvent);
-        const InputMessage* next;
-        if (batch.samples.isEmpty()) {
-            mBatches.removeAt(i);
-            next = NULL;
-        } else {
-            next = &batch.samples.itemAt(0);
-        }
-        if (!result) {
-            resampleTouchState(sampleTime, static_cast<MotionEvent*>(*outEvent), next);
-        }
-        return result;
-    }
-
-    return WOULD_BLOCK;
-}
-
-status_t InputConsumer::consumeSamples(InputEventFactoryInterface* factory,
-        Batch& batch, size_t count, uint32_t* outSeq, InputEvent** outEvent) {
-    MotionEvent* motionEvent = factory->createMotionEvent();
-    if (! motionEvent) return NO_MEMORY;
-
-    uint32_t chain = 0;
-    for (size_t i = 0; i < count; i++) {
-        InputMessage& msg = batch.samples.editItemAt(i);
-        updateTouchState(&msg);
-        if (i) {
-            SeqChain seqChain;
-            seqChain.seq = msg.body.motion.seq;
-            seqChain.chain = chain;
-            mSeqChains.push(seqChain);
-            addSample(motionEvent, &msg);
-        } else {
-            initializeMotionEvent(motionEvent, &msg);
-        }
-        chain = msg.body.motion.seq;
-    }
-    batch.samples.removeItemsAt(0, count);
-
-    *outSeq = chain;
-    *outEvent = motionEvent;
-    return OK;
-}
-
-void InputConsumer::updateTouchState(InputMessage* msg) {
-    if (!mResampleTouch ||
-            !(msg->body.motion.source & AINPUT_SOURCE_CLASS_POINTER)) {
-        return;
-    }
-
-    int32_t deviceId = msg->body.motion.deviceId;
-    int32_t source = msg->body.motion.source;
-    nsecs_t eventTime = msg->body.motion.eventTime;
-
-    // Update the touch state history to incorporate the new input message.
-    // If the message is in the past relative to the most recently produced resampled
-    // touch, then use the resampled time and coordinates instead.
-    switch (msg->body.motion.action & AMOTION_EVENT_ACTION_MASK) {
-    case AMOTION_EVENT_ACTION_DOWN: {
-        ssize_t index = findTouchState(deviceId, source);
-        if (index < 0) {
-            mTouchStates.push();
-            index = mTouchStates.size() - 1;
-        }
-        TouchState& touchState = mTouchStates.editItemAt(index);
-        touchState.initialize(deviceId, source);
-        touchState.addHistory(msg);
-        break;
-    }
-
-    case AMOTION_EVENT_ACTION_MOVE: {
-        ssize_t index = findTouchState(deviceId, source);
-        if (index >= 0) {
-            TouchState& touchState = mTouchStates.editItemAt(index);
-            touchState.addHistory(msg);
-            if (eventTime < touchState.lastResample.eventTime) {
-                rewriteMessage(touchState, msg);
-            } else {
-                touchState.lastResample.idBits.clear();
-            }
-        }
-        break;
-    }
-
-    case AMOTION_EVENT_ACTION_POINTER_DOWN: {
-        ssize_t index = findTouchState(deviceId, source);
-        if (index >= 0) {
-            TouchState& touchState = mTouchStates.editItemAt(index);
-            touchState.lastResample.idBits.clearBit(msg->body.motion.getActionId());
-            rewriteMessage(touchState, msg);
-        }
-        break;
-    }
-
-    case AMOTION_EVENT_ACTION_POINTER_UP: {
-        ssize_t index = findTouchState(deviceId, source);
-        if (index >= 0) {
-            TouchState& touchState = mTouchStates.editItemAt(index);
-            rewriteMessage(touchState, msg);
-            touchState.lastResample.idBits.clearBit(msg->body.motion.getActionId());
-        }
-        break;
-    }
-
-    case AMOTION_EVENT_ACTION_SCROLL: {
-        ssize_t index = findTouchState(deviceId, source);
-        if (index >= 0) {
-            const TouchState& touchState = mTouchStates.itemAt(index);
-            rewriteMessage(touchState, msg);
-        }
-        break;
-    }
-
-    case AMOTION_EVENT_ACTION_UP:
-    case AMOTION_EVENT_ACTION_CANCEL: {
-        ssize_t index = findTouchState(deviceId, source);
-        if (index >= 0) {
-            const TouchState& touchState = mTouchStates.itemAt(index);
-            rewriteMessage(touchState, msg);
-            mTouchStates.removeAt(index);
-        }
-        break;
-    }
-    }
-}
-
-void InputConsumer::rewriteMessage(const TouchState& state, InputMessage* msg) {
-    for (size_t i = 0; i < msg->body.motion.pointerCount; i++) {
-        uint32_t id = msg->body.motion.pointers[i].properties.id;
-        if (state.lastResample.idBits.hasBit(id)) {
-            PointerCoords& msgCoords = msg->body.motion.pointers[i].coords;
-            const PointerCoords& resampleCoords = state.lastResample.getPointerById(id);
-#if DEBUG_RESAMPLING
-            ALOGD("[%d] - rewrite (%0.3f, %0.3f), old (%0.3f, %0.3f)", id,
-                    resampleCoords.getAxisValue(AMOTION_EVENT_AXIS_X),
-                    resampleCoords.getAxisValue(AMOTION_EVENT_AXIS_Y),
-                    msgCoords.getAxisValue(AMOTION_EVENT_AXIS_X),
-                    msgCoords.getAxisValue(AMOTION_EVENT_AXIS_Y));
-#endif
-            msgCoords.setAxisValue(AMOTION_EVENT_AXIS_X, resampleCoords.getX());
-            msgCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, resampleCoords.getY());
-        }
-    }
-}
-
-void InputConsumer::resampleTouchState(nsecs_t sampleTime, MotionEvent* event,
-    const InputMessage* next) {
-    if (!mResampleTouch
-            || !(event->getSource() & AINPUT_SOURCE_CLASS_POINTER)
-            || event->getAction() != AMOTION_EVENT_ACTION_MOVE) {
-        return;
-    }
-
-    ssize_t index = findTouchState(event->getDeviceId(), event->getSource());
-    if (index < 0) {
-#if DEBUG_RESAMPLING
-        ALOGD("Not resampled, no touch state for device.");
-#endif
-        return;
-    }
-
-    TouchState& touchState = mTouchStates.editItemAt(index);
-    if (touchState.historySize < 1) {
-#if DEBUG_RESAMPLING
-        ALOGD("Not resampled, no history for device.");
-#endif
-        return;
-    }
-
-    // Ensure that the current sample has all of the pointers that need to be reported.
-    const History* current = touchState.getHistory(0);
-    size_t pointerCount = event->getPointerCount();
-    for (size_t i = 0; i < pointerCount; i++) {
-        uint32_t id = event->getPointerId(i);
-        if (!current->idBits.hasBit(id)) {
-#if DEBUG_RESAMPLING
-            ALOGD("Not resampled, missing id %d", id);
-#endif
-            return;
-        }
-    }
-
-    // Find the data to use for resampling.
-    const History* other;
-    History future;
-    float alpha;
-    if (next) {
-        // Interpolate between current sample and future sample.
-        // So current->eventTime <= sampleTime <= future.eventTime.
-        future.initializeFrom(next);
-        other = &future;
-        nsecs_t delta = future.eventTime - current->eventTime;
-        if (delta < RESAMPLE_MIN_DELTA) {
-#if DEBUG_RESAMPLING
-            ALOGD("Not resampled, delta time is %lld ns.", delta);
-#endif
-            return;
-        }
-        alpha = float(sampleTime - current->eventTime) / delta;
-    } else if (touchState.historySize >= 2) {
-        // Extrapolate future sample using current sample and past sample.
-        // So other->eventTime <= current->eventTime <= sampleTime.
-        other = touchState.getHistory(1);
-        nsecs_t delta = current->eventTime - other->eventTime;
-        if (delta < RESAMPLE_MIN_DELTA) {
-#if DEBUG_RESAMPLING
-            ALOGD("Not resampled, delta time is %lld ns.", delta);
-#endif
-            return;
-        }
-        nsecs_t maxPredict = current->eventTime + min(delta / 2, RESAMPLE_MAX_PREDICTION);
-        if (sampleTime > maxPredict) {
-#if DEBUG_RESAMPLING
-            ALOGD("Sample time is too far in the future, adjusting prediction "
-                    "from %lld to %lld ns.",
-                    sampleTime - current->eventTime, maxPredict - current->eventTime);
-#endif
-            sampleTime = maxPredict;
-        }
-        alpha = float(current->eventTime - sampleTime) / delta;
-    } else {
-#if DEBUG_RESAMPLING
-        ALOGD("Not resampled, insufficient data.");
-#endif
-        return;
-    }
-
-    // Resample touch coordinates.
-    touchState.lastResample.eventTime = sampleTime;
-    touchState.lastResample.idBits.clear();
-    for (size_t i = 0; i < pointerCount; i++) {
-        uint32_t id = event->getPointerId(i);
-        touchState.lastResample.idToIndex[id] = i;
-        touchState.lastResample.idBits.markBit(id);
-        PointerCoords& resampledCoords = touchState.lastResample.pointers[i];
-        const PointerCoords& currentCoords = current->getPointerById(id);
-        if (other->idBits.hasBit(id)
-                && shouldResampleTool(event->getToolType(i))) {
-            const PointerCoords& otherCoords = other->getPointerById(id);
-            resampledCoords.copyFrom(currentCoords);
-            resampledCoords.setAxisValue(AMOTION_EVENT_AXIS_X,
-                    lerp(currentCoords.getX(), otherCoords.getX(), alpha));
-            resampledCoords.setAxisValue(AMOTION_EVENT_AXIS_Y,
-                    lerp(currentCoords.getY(), otherCoords.getY(), alpha));
-#if DEBUG_RESAMPLING
-            ALOGD("[%d] - out (%0.3f, %0.3f), cur (%0.3f, %0.3f), "
-                    "other (%0.3f, %0.3f), alpha %0.3f",
-                    id, resampledCoords.getX(), resampledCoords.getY(),
-                    currentCoords.getX(), currentCoords.getY(),
-                    otherCoords.getX(), otherCoords.getY(),
-                    alpha);
-#endif
-        } else {
-            resampledCoords.copyFrom(currentCoords);
-#if DEBUG_RESAMPLING
-            ALOGD("[%d] - out (%0.3f, %0.3f), cur (%0.3f, %0.3f)",
-                    id, resampledCoords.getX(), resampledCoords.getY(),
-                    currentCoords.getX(), currentCoords.getY());
-#endif
-        }
-    }
-
-    event->addSample(sampleTime, touchState.lastResample.pointers);
-}
-
-bool InputConsumer::shouldResampleTool(int32_t toolType) {
-    return toolType == AMOTION_EVENT_TOOL_TYPE_FINGER
-            || toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN;
-}
-
-status_t InputConsumer::sendFinishedSignal(uint32_t seq, bool handled) {
-#if DEBUG_TRANSPORT_ACTIONS
-    ALOGD("channel '%s' consumer ~ sendFinishedSignal: seq=%u, handled=%s",
-            mChannel->getName().string(), seq, handled ? "true" : "false");
-#endif
-
-    if (!seq) {
-        ALOGE("Attempted to send a finished signal with sequence number 0.");
-        return BAD_VALUE;
-    }
-
-    // Send finished signals for the batch sequence chain first.
-    size_t seqChainCount = mSeqChains.size();
-    if (seqChainCount) {
-        uint32_t currentSeq = seq;
-        uint32_t chainSeqs[seqChainCount];
-        size_t chainIndex = 0;
-        for (size_t i = seqChainCount; i-- > 0; ) {
-             const SeqChain& seqChain = mSeqChains.itemAt(i);
-             if (seqChain.seq == currentSeq) {
-                 currentSeq = seqChain.chain;
-                 chainSeqs[chainIndex++] = currentSeq;
-                 mSeqChains.removeAt(i);
-             }
-        }
-        status_t status = OK;
-        while (!status && chainIndex-- > 0) {
-            status = sendUnchainedFinishedSignal(chainSeqs[chainIndex], handled);
-        }
-        if (status) {
-            // An error occurred so at least one signal was not sent, reconstruct the chain.
-            do {
-                SeqChain seqChain;
-                seqChain.seq = chainIndex != 0 ? chainSeqs[chainIndex - 1] : seq;
-                seqChain.chain = chainSeqs[chainIndex];
-                mSeqChains.push(seqChain);
-            } while (chainIndex-- > 0);
-            return status;
-        }
-    }
-
-    // Send finished signal for the last message in the batch.
-    return sendUnchainedFinishedSignal(seq, handled);
-}
-
-status_t InputConsumer::sendUnchainedFinishedSignal(uint32_t seq, bool handled) {
-    InputMessage msg;
-    msg.header.type = InputMessage::TYPE_FINISHED;
-    msg.body.finished.seq = seq;
-    msg.body.finished.handled = handled;
-    return mChannel->sendMessage(&msg);
-}
-
-bool InputConsumer::hasDeferredEvent() const {
-    return mMsgDeferred;
-}
-
-bool InputConsumer::hasPendingBatch() const {
-    return !mBatches.isEmpty();
-}
-
-ssize_t InputConsumer::findBatch(int32_t deviceId, int32_t source) const {
-    for (size_t i = 0; i < mBatches.size(); i++) {
-        const Batch& batch = mBatches.itemAt(i);
-        const InputMessage& head = batch.samples.itemAt(0);
-        if (head.body.motion.deviceId == deviceId && head.body.motion.source == source) {
-            return i;
-        }
-    }
-    return -1;
-}
-
-ssize_t InputConsumer::findTouchState(int32_t deviceId, int32_t source) const {
-    for (size_t i = 0; i < mTouchStates.size(); i++) {
-        const TouchState& touchState = mTouchStates.itemAt(i);
-        if (touchState.deviceId == deviceId && touchState.source == source) {
-            return i;
-        }
-    }
-    return -1;
-}
-
-void InputConsumer::initializeKeyEvent(KeyEvent* event, const InputMessage* msg) {
-    event->initialize(
-            msg->body.key.deviceId,
-            msg->body.key.source,
-            msg->body.key.action,
-            msg->body.key.flags,
-            msg->body.key.keyCode,
-            msg->body.key.scanCode,
-            msg->body.key.metaState,
-            msg->body.key.repeatCount,
-            msg->body.key.downTime,
-            msg->body.key.eventTime);
-}
-
-void InputConsumer::initializeMotionEvent(MotionEvent* event, const InputMessage* msg) {
-    size_t pointerCount = msg->body.motion.pointerCount;
-    PointerProperties pointerProperties[pointerCount];
-    PointerCoords pointerCoords[pointerCount];
-    for (size_t i = 0; i < pointerCount; i++) {
-        pointerProperties[i].copyFrom(msg->body.motion.pointers[i].properties);
-        pointerCoords[i].copyFrom(msg->body.motion.pointers[i].coords);
-    }
-
-    event->initialize(
-            msg->body.motion.deviceId,
-            msg->body.motion.source,
-            msg->body.motion.action,
-            msg->body.motion.flags,
-            msg->body.motion.edgeFlags,
-            msg->body.motion.metaState,
-            msg->body.motion.buttonState,
-            msg->body.motion.xOffset,
-            msg->body.motion.yOffset,
-            msg->body.motion.xPrecision,
-            msg->body.motion.yPrecision,
-            msg->body.motion.downTime,
-            msg->body.motion.eventTime,
-            pointerCount,
-            pointerProperties,
-            pointerCoords);
-}
-
-void InputConsumer::addSample(MotionEvent* event, const InputMessage* msg) {
-    size_t pointerCount = msg->body.motion.pointerCount;
-    PointerCoords pointerCoords[pointerCount];
-    for (size_t i = 0; i < pointerCount; i++) {
-        pointerCoords[i].copyFrom(msg->body.motion.pointers[i].coords);
-    }
-
-    event->setMetaState(event->getMetaState() | msg->body.motion.metaState);
-    event->addSample(msg->body.motion.eventTime, pointerCoords);
-}
-
-bool InputConsumer::canAddSample(const Batch& batch, const InputMessage *msg) {
-    const InputMessage& head = batch.samples.itemAt(0);
-    size_t pointerCount = msg->body.motion.pointerCount;
-    if (head.body.motion.pointerCount != pointerCount
-            || head.body.motion.action != msg->body.motion.action) {
-        return false;
-    }
-    for (size_t i = 0; i < pointerCount; i++) {
-        if (head.body.motion.pointers[i].properties
-                != msg->body.motion.pointers[i].properties) {
-            return false;
-        }
-    }
-    return true;
-}
-
-ssize_t InputConsumer::findSampleNoLaterThan(const Batch& batch, nsecs_t time) {
-    size_t numSamples = batch.samples.size();
-    size_t index = 0;
-    while (index < numSamples
-            && batch.samples.itemAt(index).body.motion.eventTime <= time) {
-        index += 1;
-    }
-    return ssize_t(index) - 1;
-}
-
-} // namespace android