summaryrefslogtreecommitdiffstats
path: root/libs
diff options
context:
space:
mode:
Diffstat (limited to 'libs')
-rw-r--r--libs/ui/Input.cpp9
-rw-r--r--libs/utils/Looper.cpp3
2 files changed, 11 insertions, 1 deletions
diff --git a/libs/ui/Input.cpp b/libs/ui/Input.cpp
index 0a53d69..684c332 100644
--- a/libs/ui/Input.cpp
+++ b/libs/ui/Input.cpp
@@ -831,6 +831,7 @@ bool VelocityTracker::getVelocity(uint32_t id, float* outVx, float* outVy) const
const Position& oldestPosition =
oldestMovement.positions[oldestMovement.idBits.getIndexOfBit(id)];
nsecs_t lastDuration = 0;
+
while (numTouches-- > 1) {
if (++index == HISTORY_SIZE) {
index = 0;
@@ -857,6 +858,14 @@ bool VelocityTracker::getVelocity(uint32_t id, float* outVx, float* outVy) const
// Make sure we used at least one sample.
if (samplesUsed != 0) {
+ // Scale the velocity linearly if the window of samples is small.
+ nsecs_t totalDuration = newestMovement.eventTime - oldestMovement.eventTime;
+ if (totalDuration < MIN_WINDOW) {
+ float scale = float(totalDuration) / float(MIN_WINDOW);
+ accumVx *= scale;
+ accumVy *= scale;
+ }
+
*outVx = accumVx;
*outVy = accumVy;
return true;
diff --git a/libs/utils/Looper.cpp b/libs/utils/Looper.cpp
index d5dd126..b54fb9d 100644
--- a/libs/utils/Looper.cpp
+++ b/libs/utils/Looper.cpp
@@ -662,7 +662,8 @@ void Looper::wakeAndLock() {
#endif
void Looper::sendMessage(const sp<MessageHandler>& handler, const Message& message) {
- sendMessageAtTime(LLONG_MIN, handler, message);
+ nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
+ sendMessageAtTime(now, handler, message);
}
void Looper::sendMessageDelayed(nsecs_t uptimeDelay, const sp<MessageHandler>& handler,