diff options
Diffstat (limited to 'include/ui/InputDispatcher.h')
| -rw-r--r-- | include/ui/InputDispatcher.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/ui/InputDispatcher.h b/include/ui/InputDispatcher.h index 2505cb0a89b4..aed4fa112b14 100644 --- a/include/ui/InputDispatcher.h +++ b/include/ui/InputDispatcher.h @@ -159,6 +159,12 @@ public: virtual int32_t waitForMotionEventTargets(MotionEvent* motionEvent, uint32_t policyFlags, int32_t injectorPid, int32_t injectorUid, Vector<InputTarget>& outTargets) = 0; + + /* Gets the maximum suggested event delivery rate per second. + * This value is used to throttle motion event movement actions on a per-device + * basis. It is not intended to be a hard limit. + */ + virtual int32_t getMaxEventsPerSecond() = 0; }; @@ -332,6 +338,8 @@ private: // Linked list of motion samples associated with this motion event. MotionSample firstSample; MotionSample* lastSample; + + uint32_t countSamples() const; }; // Tracks the progress of dispatching a particular event to a particular connection. @@ -587,6 +595,17 @@ private: Condition mInjectionSyncFinishedCondition; void decrementPendingSyncDispatchesLocked(EventEntry* entry); + // Throttling state. + struct ThrottleState { + nsecs_t minTimeBetweenEvents; + + nsecs_t lastEventTime; + int32_t lastDeviceId; + uint32_t lastSource; + + uint32_t originalSampleCount; // only collected during debugging + } mThrottleState; + // Key repeat tracking. // XXX Move this up to the input reader instead. struct KeyRepeatState { |