Synthesize cancellation events when device is disabled
When disable a keyboard device, if some keys still stay in down, we
should synthesize the cancellation events for these keys to prevent the
states can't be reset when they're handled by policy or client side.
Bug: 239888702
Test: atest inputflinger_tests
Change-Id: I8d73d5b2b3df81d047799cb7e9403f170a094f97
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.h b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
index 0a55def..31251f4 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.h
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
@@ -50,6 +50,7 @@
std::optional<DisplayViewport> mViewport;
struct KeyDown {
+ nsecs_t downTime;
int32_t keyCode;
int32_t scanCode;
};
@@ -59,7 +60,6 @@
std::vector<KeyDown> mKeyDowns; // keys that are down
int32_t mMetaState;
- nsecs_t mDownTime; // time of most recent key down
int32_t mCurrentHidUsage; // most recent HID usage seen this packet, or 0 if none
@@ -98,6 +98,7 @@
void updateLedStateForModifier(LedState& ledState, int32_t led, int32_t modifier, bool reset);
std::optional<DisplayViewport> findViewport(nsecs_t when,
const InputReaderConfiguration* config);
+ void cancelAllDownKeys(nsecs_t when);
};
} // namespace android