commit b1230625406d438fa248fd7be2fcaf1684833f06
author Siarhei Vishniakou <svv@google.com> Tue Sep 19 09:06:56 2023 -0700
committer Siarhei Vishniakou <svv@google.com> Wed Sep 27 05:54:06 2023 +0000
tree c6f5291a922bc0ce13978bb4db83d6aedb689172
parent 5fc4c8872eb58517d1da979260a7763d5149d9da

Add flag for multi-device input

For now, this flag will simply bypass the PreferStylusOverTouchBlocker.
In the future, we can look into possibly turning on/off parts of the
dispatcher with this flag, as well.

Test: atest inputflinger_tests
Bug: 211379801
Change-Id: I9ec6a42bf2cb9671cf3ca179995698dbae1dcc34

services/inputflinger/UnwantedInteractionBlocker.cpp

diff --git a/services/inputflinger/UnwantedInteractionBlocker.cpp b/services/inputflinger/UnwantedInteractionBlocker.cpp
index f889de5..0f62324 100644
--- a/services/inputflinger/UnwantedInteractionBlocker.cpp
+++ b/services/inputflinger/UnwantedInteractionBlocker.cpp
@@ -18,6 +18,7 @@
 #include "UnwantedInteractionBlocker.h"
 
 #include <android-base/stringprintf.h>
+#include <com_android_input_flags.h>
 #include <ftl/enum.h>
 #include <input/PrintTools.h>
 #include <inttypes.h>
@@ -28,6 +29,8 @@
 #include "ui/events/ozone/evdev/touch_filter/neural_stylus_palm_detection_filter.h"
 #include "ui/events/ozone/evdev/touch_filter/palm_model/onedevice_train_palm_detection_filter_model.h"
 
+namespace input_flags = com::android::input::flags;
+
 using android::base::StringPrintf;
 
 /**
@@ -344,10 +347,14 @@
     ALOGD_IF(DEBUG_INBOUND_MOTION, "%s: %s", __func__, args.dump().c_str());
     { // acquire lock
         std::scoped_lock lock(mLock);
-        const std::vector<NotifyMotionArgs> processedArgs =
-                mPreferStylusOverTouchBlocker.processMotion(args);
-        for (const NotifyMotionArgs& loopArgs : processedArgs) {
-            notifyMotionLocked(loopArgs);
+        if (input_flags::enable_multi_device_input()) {
+            notifyMotionLocked(args);
+        } else {
+            const std::vector<NotifyMotionArgs> processedArgs =
+                    mPreferStylusOverTouchBlocker.processMotion(args);
+            for (const NotifyMotionArgs& loopArgs : processedArgs) {
+                notifyMotionLocked(loopArgs);
+            }
         }
     } // release lock