Add current device consumption to InputConsumerNoResampling

Added current device consumption to InputConsumerNoResampling in
consumeBatchedInputEvents' body

Bug: 329776327
Flag: EXEMPT refactor
Test: TEST=libinput_tests; m $TEST && $ANDROID_HOST_OUT/nativetest64/$TEST/$TEST --gtest_filter="InputConsumerTest*"
Change-Id: Ibfcb28f019543a88b3ffada137199b1c3933d542

1 files changed, 34 insertions, 14 deletions

diff --git a/include/input/InputConsumerNoResampling.h b/include/input/InputConsumerNoResampling.h
index 358a19158e..10c2aa01f9 100644
--- a/include/input/InputConsumerNoResampling.h
+++ b/include/input/InputConsumerNoResampling.h
@@ -16,6 +16,11 @@
 
 #pragma once
 
+#include <map>
+#include <memory>
+#include <optional>
+
+#include <input/Input.h>
 #include <input/InputTransport.h>
 #include <input/LooperInterface.h>
 #include <input/Resampler.h>
@@ -36,7 +41,7 @@ public:
     /**
      * When you receive this callback, you must (eventually) call "consumeBatchedInputEvents".
      * If you don't want batching, then call "consumeBatchedInputEvents" immediately with
-     * std::nullopt frameTime to receive the pending motion event(s).
+     * std::nullopt requestedFrameTime to receive the pending motion event(s).
      * @param pendingBatchSource the source of the pending batch.
      */
     virtual void onBatchedInputEventPending(int32_t pendingBatchSource) = 0;
@@ -96,15 +101,17 @@ public:
     void finishInputEvent(uint32_t seq, bool handled);
     void reportTimeline(int32_t inputEventId, nsecs_t gpuCompletedTime, nsecs_t presentTime);
     /**
-     * If you want to consume all events immediately (disable batching), the you still must call
-     * this. For frameTime, use a std::nullopt.
-     * @param frameTime the time up to which consume the events. When there's double (or triple)
-     * buffering, you may want to not consume all events currently available, because you could be
-     * still working on an older frame, but there could already have been events that arrived that
-     * are more recent.
+     * If you want to consume all events immediately (disable batching), then you still must call
+     * this. For requestedFrameTime, use a std::nullopt. It is not guaranteed that the consumption
+     * will occur at requestedFrameTime. The resampling strategy may modify it.
+     * @param requestedFrameTime the time up to which consume the events. When there's double (or
+     * triple) buffering, you may want to not consume all events currently available, because you
+     * could be still working on an older frame, but there could already have been events that
+     * arrived that are more recent.
      * @return whether any events were actually consumed
      */
-    bool consumeBatchedInputEvents(std::optional<nsecs_t> frameTime);
+    bool consumeBatchedInputEvents(std::optional<nsecs_t> requestedFrameTime);
+
     /**
      * Returns true when there is *likely* a pending batch or a pending event in the channel.
      *
@@ -200,20 +207,33 @@ private:
     /**
      * Batched InputMessages, per deviceId.
      * For each device, we are storing a queue of batched messages. These will all be collapsed into
-     * a single MotionEvent (up to a specific frameTime) when the consumer calls
+     * a single MotionEvent (up to a specific requestedFrameTime) when the consumer calls
      * `consumeBatchedInputEvents`.
      */
     std::map<DeviceId, std::queue<InputMessage>> mBatches;
     /**
      * Creates a MotionEvent by consuming samples from the provided queue. If one message has
-     * eventTime > frameTime, all subsequent messages in the queue will be skipped. It is assumed
-     * that messages are queued in chronological order. In other words, only events that occurred
-     * prior to the requested frameTime will be consumed.
-     * @param frameTime the time up to which to consume events
+     * eventTime > adjustedFrameTime, all subsequent messages in the queue will be skipped. It is
+     * assumed that messages are queued in chronological order. In other words, only events that
+     * occurred prior to the adjustedFrameTime will be consumed.
+     * @param requestedFrameTime the time up to which to consume events.
      * @param messages the queue of messages to consume from
      */
     std::pair<std::unique_ptr<MotionEvent>, std::optional<uint32_t>> createBatchedMotionEvent(
-            const nsecs_t frameTime, std::queue<InputMessage>& messages);
+            const nsecs_t requestedFrameTime, std::queue<InputMessage>& messages);
+
+    /**
+     * Consumes the batched input events, optionally allowing the caller to specify a device id
+     * and/or requestedFrameTime threshold. It is not guaranteed that consumption will occur at
+     * requestedFrameTime.
+     * @param deviceId The device id from which to consume events. If std::nullopt, consumes events
+     * from any device id.
+     * @param requestedFrameTime The time up to which consume the events. If std::nullopt, consumes
+     * input events with any timestamp.
+     * @return Whether or not any events were consumed.
+     */
+    bool consumeBatchedInputEvents(std::optional<DeviceId> deviceId,
+                                   std::optional<nsecs_t> requestedFrameTime);
     /**
      * A map from a single sequence number to several sequence numbers. This is needed because of
      * batching. When batching is enabled, a single MotionEvent will contain several samples. Each