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Commit ae4dd53e authored by Jeff Brown's avatar Jeff Brown Committed by Android (Google) Code Review
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Merge "Allow batching samples onto the pending motion event."

parents 6a839703 f6989da7
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+28 −0
Original line number Diff line number Diff line
@@ -2524,6 +2524,34 @@ void InputDispatcher::notifyMotion(nsecs_t eventTime, int32_t deviceId, uint32_t
                return; // done!
            }

            // BATCHING ONTO PENDING EVENT CASE
            //
            // Try to append a move sample to the currently pending event, if there is one.
            // We can do this as long as we are still waiting to find the targets for the
            // event.  Once the targets are locked-in we can only do streaming.
            if (mPendingEvent
                    && (!mPendingEvent->dispatchInProgress || !mCurrentInputTargetsValid)
                    && mPendingEvent->type == EventEntry::TYPE_MOTION) {
                MotionEntry* motionEntry = static_cast<MotionEntry*>(mPendingEvent);
                if (motionEntry->deviceId == deviceId && motionEntry->source == source) {
                    if (motionEntry->action != action
                            || motionEntry->pointerCount != pointerCount
                            || motionEntry->isInjected()) {
                        // Pending event is not compatible for appending new samples.  Stop here.
                        goto NoBatchingOrStreaming;
                    }

                    // The pending motion event is a move and is compatible for appending.
                    // Do the batching magic.
                    mAllocator.appendMotionSample(motionEntry, eventTime, pointerCoords);
#if DEBUG_BATCHING
                    LOGD("Appended motion sample onto batch for the pending motion event.");
#endif
                    mLock.unlock();
                    return; // done!
                }
            }

            // STREAMING CASE
            //
            // There is no pending motion event (of any kind) for this device in the inbound queue.