Refactor how timeouts are calculated.
Added a timeout mechanism to EventHub and InputReader so that
InputMappers can request timeouts to perform delayed processing of
input when needed.
Change-Id: Iec2045baaf4e67690b15eef3c09a58d5cac76897
diff --git a/services/input/EventHub.h b/services/input/EventHub.h
index 7053a94..1d287ac 100644
--- a/services/input/EventHub.h
+++ b/services/input/EventHub.h
@@ -186,8 +186,13 @@
* This ensures that the device will not go to sleep while the event is being processed.
* If the device needs to remain awake longer than that, then the caller is responsible
* for taking care of it (say, by poking the power manager user activity timer).
+ *
+ * The timeout is advisory only. If the device is asleep, it will not wake just to
+ * service the timeout.
+ *
+ * Returns true if an event was obtained, false if the timeout expired.
*/
- virtual bool getEvent(RawEvent* outEvent) = 0;
+ virtual bool getEvent(int timeoutMillis, RawEvent* outEvent) = 0;
/*
* Query current input state.
@@ -244,7 +249,7 @@
virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes,
const int32_t* keyCodes, uint8_t* outFlags) const;
- virtual bool getEvent(RawEvent* outEvent);
+ virtual bool getEvent(int timeoutMillis, RawEvent* outEvent);
virtual bool hasLed(int32_t deviceId, int32_t led) const;
virtual void setLedState(int32_t deviceId, int32_t led, bool on);