From 42611e031b19fd6f545bb00622c6ffc98559d802 Mon Sep 17 00:00:00 2001 From: Prabir Pradhan Date: Tue, 27 Nov 2018 14:04:02 -0800 Subject: Add sequence number to events in inputflinger This adds a sequece number field to NotifyArgs and EventEntry in order to uniquely track individual events. The sequence number for the events is added in InputReader, where the next sequence number is an increment of the previous event's sequence number. Synthesized events have a sequence number of 0. Bug: 119312685 Test: inputflinger_tests Change-Id: I1690979a5aa019e99ab89f5f7279a1b42068e658 --- services/inputflinger/InputReader.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'services/inputflinger/InputReader.h') diff --git a/services/inputflinger/InputReader.h b/services/inputflinger/InputReader.h index 13f1bedb65..35f3c232c7 100644 --- a/services/inputflinger/InputReader.h +++ b/services/inputflinger/InputReader.h @@ -96,6 +96,8 @@ public: virtual InputReaderPolicyInterface* getPolicy() = 0; virtual InputListenerInterface* getListener() = 0; virtual EventHubInterface* getEventHub() = 0; + + virtual uint32_t getNextSequenceNum() = 0; }; @@ -168,6 +170,7 @@ protected: virtual InputReaderPolicyInterface* getPolicy(); virtual InputListenerInterface* getListener(); virtual EventHubInterface* getEventHub(); + virtual uint32_t getNextSequenceNum(); } mContext; friend class ContextImpl; @@ -183,6 +186,9 @@ private: InputReaderConfiguration mConfig; + // used by InputReaderContext::getNextSequenceNum() as a counter for event sequence numbers + uint32_t mNextSequenceNum; + // The event queue. static const int EVENT_BUFFER_SIZE = 256; RawEvent mEventBuffer[EVENT_BUFFER_SIZE]; -- cgit v1.2.3-59-g8ed1b