InputReader: Add API to get the last used input device
This will be used by the InputMethodManagerService to notify the IME of
the last input device type that was used to interact with Android when
the IME is shown. This API eliminates the need for IMMS to add another
global spy window to solve this problem.
Bug: 336615195
Test: atest inputflinger_tests
Change-Id: If594bd07bfd0a3cb542fc300854f1dd5717aeab2
diff --git a/services/inputflinger/reader/include/InputReader.h b/services/inputflinger/reader/include/InputReader.h
index d9ac917..92a778a 100644
--- a/services/inputflinger/reader/include/InputReader.h
+++ b/services/inputflinger/reader/include/InputReader.h
@@ -118,6 +118,8 @@
void sysfsNodeChanged(const std::string& sysfsNodePath) override;
+ DeviceId getLastUsedInputDeviceId() override;
+
protected:
// These members are protected so they can be instrumented by test cases.
virtual std::shared_ptr<InputDevice> createDeviceLocked(nsecs_t when, int32_t deviceId,
@@ -200,6 +202,9 @@
// records timestamp of the last key press on the physical keyboard
nsecs_t mLastKeyDownTimestamp GUARDED_BY(mLock){0};
+ // The input device that produced a new gesture most recently.
+ DeviceId mLastUsedDeviceId GUARDED_BY(mLock){ReservedInputDeviceId::INVALID_INPUT_DEVICE_ID};
+
// low-level input event decoding and device management
[[nodiscard]] std::list<NotifyArgs> processEventsLocked(const RawEvent* rawEvents, size_t count)
REQUIRES(mLock);