Kaushik Iska 8818677dfd Track motion events for reuse post gesture disambiguation (flutter/engine#19484) ...

This change makes it so that we track all the motion events encountered by `FlutterView` and all of its subviews in the `MotionEventTracker` class, indexed by a unique `MotionEventId`. This identifier is then passed to the Flutter framework as seen in https://github.com/flutter/flutter/pull/60930. Once the gestures take part in gesture disambiguation and are sent back to the engine, we look-up the original motion event using the `MotionEventId` and dispatch it to the platform.

Bug: https://github.com/flutter/flutter/issues/58837

2020-07-06 22:22:37 -07:00

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src/flutter

Track motion events for reuse post gesture disambiguation (flutter/engine#19484)

2020-07-06 22:22:37 -07:00