Merge "Allow stylus events in PalmRejector" into tm-qpr-dev am: 820db998c8 am: 5b1fd2dfd9
Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/19569858
Change-Id: If720abad15bdfc1163bb62b5f6212c3cbf019b73
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/services/inputflinger/UnwantedInteractionBlocker.cpp b/services/inputflinger/UnwantedInteractionBlocker.cpp
index fc8dfe6..ec41025 100644
--- a/services/inputflinger/UnwantedInteractionBlocker.cpp
+++ b/services/inputflinger/UnwantedInteractionBlocker.cpp
@@ -77,8 +77,7 @@
}
static bool isFromTouchscreen(int32_t source) {
- return isFromSource(source, AINPUT_SOURCE_TOUCHSCREEN) &&
- !isFromSource(source, AINPUT_SOURCE_STYLUS);
+ return isFromSource(source, AINPUT_SOURCE_TOUCHSCREEN);
}
static ::base::TimeTicks toChromeTimestamp(nsecs_t eventTime) {
@@ -142,23 +141,6 @@
return AMOTION_EVENT_ACTION_MOVE;
}
-/**
- * Remove the data for the provided pointers from the args. The pointers are identified by their
- * pointerId, not by the index inside the array.
- * Return the new NotifyMotionArgs struct that has the remaining pointers.
- * The only fields that may be different in the returned args from the provided args are:
- * - action
- * - pointerCount
- * - pointerProperties
- * - pointerCoords
- * Action might change because it contains a pointer index. If another pointer is removed, the
- * active pointer index would be shifted.
- * Do not call this function for events with POINTER_UP or POINTER_DOWN events when removed pointer
- * id is the acting pointer id.
- *
- * @param args the args from which the pointers should be removed
- * @param pointerIds the pointer ids of the pointers that should be removed
- */
NotifyMotionArgs removePointerIds(const NotifyMotionArgs& args,
const std::set<int32_t>& pointerIds) {
const uint8_t actionIndex = MotionEvent::getActionIndex(args.action);
@@ -204,6 +186,26 @@
return newArgs;
}
+/**
+ * Remove stylus pointers from the provided NotifyMotionArgs.
+ *
+ * Return NotifyMotionArgs where the stylus pointers have been removed.
+ * If this results in removal of the active pointer, then return nullopt.
+ */
+static std::optional<NotifyMotionArgs> removeStylusPointerIds(const NotifyMotionArgs& args) {
+ std::set<int32_t> stylusPointerIds;
+ for (uint32_t i = 0; i < args.pointerCount; i++) {
+ if (args.pointerProperties[i].toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS) {
+ stylusPointerIds.insert(args.pointerProperties[i].id);
+ }
+ }
+ NotifyMotionArgs withoutStylusPointers = removePointerIds(args, stylusPointerIds);
+ if (withoutStylusPointers.pointerCount == 0 || withoutStylusPointers.action == ACTION_UNKNOWN) {
+ return std::nullopt;
+ }
+ return withoutStylusPointers;
+}
+
std::optional<AndroidPalmFilterDeviceInfo> createPalmFilterDeviceInfo(
const InputDeviceInfo& deviceInfo) {
if (!isFromTouchscreen(deviceInfo.getSources())) {
@@ -678,7 +680,15 @@
std::set<int32_t> oldSuppressedIds;
std::swap(oldSuppressedIds, mSuppressedPointerIds);
- mSuppressedPointerIds = detectPalmPointers(args);
+
+ std::optional<NotifyMotionArgs> touchOnlyArgs = removeStylusPointerIds(args);
+ if (touchOnlyArgs) {
+ mSuppressedPointerIds = detectPalmPointers(*touchOnlyArgs);
+ } else {
+ // This is a stylus-only event.
+ // We can skip this event and just keep the suppressed pointer ids the same as before.
+ mSuppressedPointerIds = oldSuppressedIds;
+ }
std::vector<NotifyMotionArgs> argsWithoutUnwantedPointers =
cancelSuppressedPointers(args, oldSuppressedIds, mSuppressedPointerIds);
diff --git a/services/inputflinger/UnwantedInteractionBlocker.h b/services/inputflinger/UnwantedInteractionBlocker.h
index a176a98..5d0dde8 100644
--- a/services/inputflinger/UnwantedInteractionBlocker.h
+++ b/services/inputflinger/UnwantedInteractionBlocker.h
@@ -43,6 +43,25 @@
static constexpr int32_t ACTION_UNKNOWN = -1;
+/**
+ * Remove the data for the provided pointers from the args. The pointers are identified by their
+ * pointerId, not by the index inside the array.
+ * Return the new NotifyMotionArgs struct that has the remaining pointers.
+ * The only fields that may be different in the returned args from the provided args are:
+ * - action
+ * - pointerCount
+ * - pointerProperties
+ * - pointerCoords
+ * Action might change because it contains a pointer index. If another pointer is removed, the
+ * active pointer index would be shifted.
+ *
+ * If the active pointer id is removed (for example, for events like
+ * POINTER_UP or POINTER_DOWN), then the action is set to ACTION_UNKNOWN. It is up to the caller
+ * to set the action appropriately after the call.
+ *
+ * @param args the args from which the pointers should be removed
+ * @param pointerIds the pointer ids of the pointers that should be removed
+ */
NotifyMotionArgs removePointerIds(const NotifyMotionArgs& args,
const std::set<int32_t>& pointerIds);
diff --git a/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp b/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp
index 7ef3595..526e4eb 100644
--- a/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp
+++ b/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp
@@ -66,6 +66,10 @@
return result;
}
+MATCHER_P(WithFlags, flags, "MotionEvent with specified flags") {
+ return arg.flags == flags;
+}
+
static nsecs_t toNs(std::chrono::nanoseconds duration) {
return duration.count();
}
@@ -616,6 +620,90 @@
mTestListener.assertNotifyMotionWasCalled(WithAction(CANCEL));
}
+/**
+ * Send a stylus event that would have triggered the heuristic palm detector if it were a touch
+ * event. However, since it's a stylus event, it should propagate without being canceled through
+ * the blocker.
+ * This is similar to `HeuristicFilterWorks` test, but for stylus tool.
+ */
+TEST_F(UnwantedInteractionBlockerTest, StylusIsNotBlocked) {
+ InputDeviceInfo info = generateTestDeviceInfo();
+ info.addSource(AINPUT_SOURCE_STYLUS);
+ mBlocker->notifyInputDevicesChanged({info});
+ NotifyMotionArgs args1 = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2, 3}});
+ args1.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ mBlocker->notifyMotion(&args1);
+ mTestListener.assertNotifyMotionWasCalled(WithAction(DOWN));
+
+ // Move the stylus, setting large TOUCH_MAJOR/TOUCH_MINOR dimensions
+ NotifyMotionArgs args2 =
+ generateMotionArgs(0 /*downTime*/, RESAMPLE_PERIOD, MOVE, {{4, 5, 200}});
+ args2.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ mBlocker->notifyMotion(&args2);
+ mTestListener.assertNotifyMotionWasCalled(WithAction(MOVE));
+
+ // Lift up the stylus. If it were a touch event, this would force the model to decide on whether
+ // it's a palm.
+ NotifyMotionArgs args3 =
+ generateMotionArgs(0 /*downTime*/, 2 * RESAMPLE_PERIOD, UP, {{4, 5, 200}});
+ args3.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ mBlocker->notifyMotion(&args3);
+ mTestListener.assertNotifyMotionWasCalled(WithAction(UP));
+}
+
+/**
+ * Send a mixed touch and stylus event.
+ * The touch event goes first, and is a palm. The stylus event goes down after.
+ * Stylus event should continue to work even after touch is detected as a palm.
+ */
+TEST_F(UnwantedInteractionBlockerTest, TouchIsBlockedWhenMixedWithStylus) {
+ InputDeviceInfo info = generateTestDeviceInfo();
+ info.addSource(AINPUT_SOURCE_STYLUS);
+ mBlocker->notifyInputDevicesChanged({info});
+
+ // Touch down
+ NotifyMotionArgs args1 = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2, 3}});
+ mBlocker->notifyMotion(&args1);
+ mTestListener.assertNotifyMotionWasCalled(WithAction(DOWN));
+
+ // Stylus pointer down
+ NotifyMotionArgs args2 = generateMotionArgs(0 /*downTime*/, RESAMPLE_PERIOD, POINTER_1_DOWN,
+ {{1, 2, 3}, {10, 20, 30}});
+ args2.pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ mBlocker->notifyMotion(&args2);
+ mTestListener.assertNotifyMotionWasCalled(WithAction(POINTER_1_DOWN));
+
+ // Large touch oval on the next finger move
+ NotifyMotionArgs args3 = generateMotionArgs(0 /*downTime*/, 2 * RESAMPLE_PERIOD, MOVE,
+ {{1, 2, 300}, {11, 21, 30}});
+ args3.pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ mBlocker->notifyMotion(&args3);
+ mTestListener.assertNotifyMotionWasCalled(WithAction(MOVE));
+
+ // Lift up the finger pointer. It should be canceled due to the heuristic filter.
+ NotifyMotionArgs args4 = generateMotionArgs(0 /*downTime*/, 3 * RESAMPLE_PERIOD, POINTER_0_UP,
+ {{1, 2, 300}, {11, 21, 30}});
+ args4.pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ mBlocker->notifyMotion(&args4);
+ mTestListener.assertNotifyMotionWasCalled(
+ AllOf(WithAction(POINTER_0_UP), WithFlags(FLAG_CANCELED)));
+
+ NotifyMotionArgs args5 =
+ generateMotionArgs(0 /*downTime*/, 4 * RESAMPLE_PERIOD, MOVE, {{12, 22, 30}});
+ args5.pointerProperties[0].id = args4.pointerProperties[1].id;
+ args5.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ mBlocker->notifyMotion(&args5);
+ mTestListener.assertNotifyMotionWasCalled(WithAction(MOVE));
+
+ // Lift up the stylus pointer
+ NotifyMotionArgs args6 =
+ generateMotionArgs(0 /*downTime*/, 5 * RESAMPLE_PERIOD, UP, {{4, 5, 200}});
+ args6.pointerProperties[0].id = args4.pointerProperties[1].id;
+ args6.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ mBlocker->notifyMotion(&args6);
+ mTestListener.assertNotifyMotionWasCalled(WithAction(UP));
+}
+
using UnwantedInteractionBlockerTestDeathTest = UnwantedInteractionBlockerTest;
/**