Merge changes from topic "presubmit-am-c81762ef3b084d75afdf183d012bec54" into tm-dev
* changes:
Add PreferStylusOverTouchBlocker and handle multiple devices
Remove PreferStylusOverTouchBlocker
Block touches when stylus is down
diff --git a/include/input/PrintTools.h b/include/input/PrintTools.h
new file mode 100644
index 0000000..7c3b29b
--- /dev/null
+++ b/include/input/PrintTools.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <map>
+#include <set>
+#include <string>
+
+namespace android {
+
+template <typename T>
+std::string constToString(const T& v) {
+ return std::to_string(v);
+}
+
+/**
+ * Convert a set of integral types to string.
+ */
+template <typename T>
+std::string dumpSet(const std::set<T>& v, std::string (*toString)(const T&) = constToString) {
+ std::string out;
+ for (const T& entry : v) {
+ out += out.empty() ? "{" : ", ";
+ out += toString(entry);
+ }
+ return out.empty() ? "{}" : (out + "}");
+}
+
+/**
+ * Convert a map to string. Both keys and values of the map should be integral type.
+ */
+template <typename K, typename V>
+std::string dumpMap(const std::map<K, V>& map, std::string (*keyToString)(const K&) = constToString,
+ std::string (*valueToString)(const V&) = constToString) {
+ std::string out;
+ for (const auto& [k, v] : map) {
+ if (!out.empty()) {
+ out += "\n";
+ }
+ out += keyToString(k) + ":" + valueToString(v);
+ }
+ return out;
+}
+
+const char* toString(bool value);
+
+} // namespace android
\ No newline at end of file
diff --git a/libs/input/Android.bp b/libs/input/Android.bp
index 18fb7c1..1d4fc1f 100644
--- a/libs/input/Android.bp
+++ b/libs/input/Android.bp
@@ -50,6 +50,7 @@
"Keyboard.cpp",
"KeyCharacterMap.cpp",
"KeyLayoutMap.cpp",
+ "PrintTools.cpp",
"PropertyMap.cpp",
"TouchVideoFrame.cpp",
"VelocityControl.cpp",
@@ -102,6 +103,9 @@
sanitize: {
misc_undefined: ["integer"],
+ diag: {
+ misc_undefined: ["integer"],
+ },
},
},
host: {
diff --git a/libs/input/PrintTools.cpp b/libs/input/PrintTools.cpp
new file mode 100644
index 0000000..5d6ae4e
--- /dev/null
+++ b/libs/input/PrintTools.cpp
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "PrintTools"
+
+#include <input/PrintTools.h>
+
+namespace android {
+
+const char* toString(bool value) {
+ return value ? "true" : "false";
+}
+
+} // namespace android
diff --git a/services/inputflinger/Android.bp b/services/inputflinger/Android.bp
index ed9bfd2..41878e3 100644
--- a/services/inputflinger/Android.bp
+++ b/services/inputflinger/Android.bp
@@ -58,6 +58,7 @@
srcs: [
"InputClassifier.cpp",
"InputCommonConverter.cpp",
+ "PreferStylusOverTouchBlocker.cpp",
"UnwantedInteractionBlocker.cpp",
"InputManager.cpp",
],
diff --git a/services/inputflinger/InputListener.cpp b/services/inputflinger/InputListener.cpp
index 3a4b6c5..2a3924b 100644
--- a/services/inputflinger/InputListener.cpp
+++ b/services/inputflinger/InputListener.cpp
@@ -202,9 +202,11 @@
coords += "}";
}
return StringPrintf("NotifyMotionArgs(id=%" PRId32 ", eventTime=%" PRId64 ", deviceId=%" PRId32
- ", source=%s, action=%s, pointerCount=%" PRIu32 " pointers=%s)",
+ ", source=%s, action=%s, pointerCount=%" PRIu32
+ " pointers=%s, flags=0x%08x)",
id, eventTime, deviceId, inputEventSourceToString(source).c_str(),
- MotionEvent::actionToString(action).c_str(), pointerCount, coords.c_str());
+ MotionEvent::actionToString(action).c_str(), pointerCount, coords.c_str(),
+ flags);
}
void NotifyMotionArgs::notify(InputListenerInterface& listener) const {
diff --git a/services/inputflinger/PreferStylusOverTouchBlocker.cpp b/services/inputflinger/PreferStylusOverTouchBlocker.cpp
new file mode 100644
index 0000000..beec2e1
--- /dev/null
+++ b/services/inputflinger/PreferStylusOverTouchBlocker.cpp
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "PreferStylusOverTouchBlocker.h"
+#include <input/PrintTools.h>
+
+namespace android {
+
+static std::pair<bool, bool> checkToolType(const NotifyMotionArgs& args) {
+ bool hasStylus = false;
+ bool hasTouch = false;
+ for (size_t i = 0; i < args.pointerCount; i++) {
+ // Make sure we are canceling stylus pointers
+ const int32_t toolType = args.pointerProperties[i].toolType;
+ if (toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS ||
+ toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) {
+ hasStylus = true;
+ }
+ if (toolType == AMOTION_EVENT_TOOL_TYPE_FINGER) {
+ hasTouch = true;
+ }
+ }
+ return std::make_pair(hasTouch, hasStylus);
+}
+
+/**
+ * Intersect two sets in-place, storing the result in 'set1'.
+ * Find elements in set1 that are not present in set2 and delete them,
+ * relying on the fact that the two sets are ordered.
+ */
+template <typename T>
+static void intersectInPlace(std::set<T>& set1, const std::set<T>& set2) {
+ typename std::set<T>::iterator it1 = set1.begin();
+ typename std::set<T>::const_iterator it2 = set2.begin();
+ while (it1 != set1.end() && it2 != set2.end()) {
+ const T& element1 = *it1;
+ const T& element2 = *it2;
+ if (element1 < element2) {
+ // This element is not present in set2. Remove it from set1.
+ it1 = set1.erase(it1);
+ continue;
+ }
+ if (element2 < element1) {
+ it2++;
+ }
+ if (element1 == element2) {
+ it1++;
+ it2++;
+ }
+ }
+ // Remove the rest of the elements in set1 because set2 is already exhausted.
+ set1.erase(it1, set1.end());
+}
+
+/**
+ * Same as above, but prune a map
+ */
+template <typename K, class V>
+static void intersectInPlace(std::map<K, V>& map, const std::set<K>& set2) {
+ typename std::map<K, V>::iterator it1 = map.begin();
+ typename std::set<K>::const_iterator it2 = set2.begin();
+ while (it1 != map.end() && it2 != set2.end()) {
+ const auto& [key, _] = *it1;
+ const K& element2 = *it2;
+ if (key < element2) {
+ // This element is not present in set2. Remove it from map.
+ it1 = map.erase(it1);
+ continue;
+ }
+ if (element2 < key) {
+ it2++;
+ }
+ if (key == element2) {
+ it1++;
+ it2++;
+ }
+ }
+ // Remove the rest of the elements in map because set2 is already exhausted.
+ map.erase(it1, map.end());
+}
+
+// -------------------------------- PreferStylusOverTouchBlocker -----------------------------------
+
+std::vector<NotifyMotionArgs> PreferStylusOverTouchBlocker::processMotion(
+ const NotifyMotionArgs& args) {
+ const auto [hasTouch, hasStylus] = checkToolType(args);
+ const bool isUpOrCancel =
+ args.action == AMOTION_EVENT_ACTION_UP || args.action == AMOTION_EVENT_ACTION_CANCEL;
+
+ if (hasTouch && hasStylus) {
+ mDevicesWithMixedToolType.insert(args.deviceId);
+ }
+ // Handle the case where mixed touch and stylus pointers are reported. Add this device to the
+ // ignore list, since it clearly supports simultaneous touch and stylus.
+ if (mDevicesWithMixedToolType.find(args.deviceId) != mDevicesWithMixedToolType.end()) {
+ // This event comes from device with mixed stylus and touch event. Ignore this device.
+ if (mCanceledDevices.find(args.deviceId) != mCanceledDevices.end()) {
+ // If we started to cancel events from this device, continue to do so to keep
+ // the stream consistent. It should happen at most once per "mixed" device.
+ if (isUpOrCancel) {
+ mCanceledDevices.erase(args.deviceId);
+ mLastTouchEvents.erase(args.deviceId);
+ }
+ return {};
+ }
+ return {args};
+ }
+
+ const bool isStylusEvent = hasStylus;
+ const bool isDown = args.action == AMOTION_EVENT_ACTION_DOWN;
+
+ if (isStylusEvent) {
+ if (isDown) {
+ // Reject all touch while stylus is down
+ mActiveStyli.insert(args.deviceId);
+
+ // Cancel all current touch!
+ std::vector<NotifyMotionArgs> result;
+ for (auto& [deviceId, lastTouchEvent] : mLastTouchEvents) {
+ if (mCanceledDevices.find(deviceId) != mCanceledDevices.end()) {
+ // Already canceled, go to next one.
+ continue;
+ }
+ // Not yet canceled. Cancel it.
+ lastTouchEvent.action = AMOTION_EVENT_ACTION_CANCEL;
+ lastTouchEvent.flags |= AMOTION_EVENT_FLAG_CANCELED;
+ lastTouchEvent.eventTime = systemTime(SYSTEM_TIME_MONOTONIC);
+ result.push_back(lastTouchEvent);
+ mCanceledDevices.insert(deviceId);
+ }
+ result.push_back(args);
+ return result;
+ }
+ if (isUpOrCancel) {
+ mActiveStyli.erase(args.deviceId);
+ }
+ // Never drop stylus events
+ return {args};
+ }
+
+ const bool isTouchEvent = hasTouch;
+ if (isTouchEvent) {
+ // Suppress the current gesture if any stylus is still down
+ if (!mActiveStyli.empty()) {
+ mCanceledDevices.insert(args.deviceId);
+ }
+
+ const bool shouldDrop = mCanceledDevices.find(args.deviceId) != mCanceledDevices.end();
+ if (isUpOrCancel) {
+ mCanceledDevices.erase(args.deviceId);
+ mLastTouchEvents.erase(args.deviceId);
+ }
+
+ // If we already canceled the current gesture, then continue to drop events from it, even if
+ // the stylus has been lifted.
+ if (shouldDrop) {
+ return {};
+ }
+
+ if (!isUpOrCancel) {
+ mLastTouchEvents[args.deviceId] = args;
+ }
+ return {args};
+ }
+
+ // Not a touch or stylus event
+ return {args};
+}
+
+void PreferStylusOverTouchBlocker::notifyInputDevicesChanged(
+ const std::vector<InputDeviceInfo>& inputDevices) {
+ std::set<int32_t> presentDevices;
+ for (const InputDeviceInfo& device : inputDevices) {
+ presentDevices.insert(device.getId());
+ }
+ // Only keep the devices that are still present.
+ intersectInPlace(mDevicesWithMixedToolType, presentDevices);
+ intersectInPlace(mLastTouchEvents, presentDevices);
+ intersectInPlace(mCanceledDevices, presentDevices);
+ intersectInPlace(mActiveStyli, presentDevices);
+}
+
+void PreferStylusOverTouchBlocker::notifyDeviceReset(const NotifyDeviceResetArgs& args) {
+ mDevicesWithMixedToolType.erase(args.deviceId);
+ mLastTouchEvents.erase(args.deviceId);
+ mCanceledDevices.erase(args.deviceId);
+ mActiveStyli.erase(args.deviceId);
+}
+
+static std::string dumpArgs(const NotifyMotionArgs& args) {
+ return args.dump();
+}
+
+std::string PreferStylusOverTouchBlocker::dump() const {
+ std::string out;
+ out += "mActiveStyli: " + dumpSet(mActiveStyli) + "\n";
+ out += "mLastTouchEvents: " + dumpMap(mLastTouchEvents, constToString, dumpArgs) + "\n";
+ out += "mDevicesWithMixedToolType: " + dumpSet(mDevicesWithMixedToolType) + "\n";
+ out += "mCanceledDevices: " + dumpSet(mCanceledDevices) + "\n";
+ return out;
+}
+
+} // namespace android
diff --git a/services/inputflinger/PreferStylusOverTouchBlocker.h b/services/inputflinger/PreferStylusOverTouchBlocker.h
new file mode 100644
index 0000000..716dc4d
--- /dev/null
+++ b/services/inputflinger/PreferStylusOverTouchBlocker.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <optional>
+#include <set>
+#include "InputListener.h"
+
+namespace android {
+
+/**
+ * When stylus is down, all touch is ignored.
+ * TODO(b/210159205): delete this when simultaneous stylus and touch is supported
+ */
+class PreferStylusOverTouchBlocker {
+public:
+ /**
+ * Process the provided event and emit 0 or more events that should be used instead of it.
+ * In the majority of cases, the returned result will just be the provided args (array with
+ * only 1 element), unmodified.
+ *
+ * If the gesture should be blocked, the returned result may be:
+ *
+ * a) An empty array, if the current event should just be ignored completely
+ * b) An array of N elements, containing N-1 events with ACTION_CANCEL and the current event.
+ *
+ * The returned result is intended to be reinjected into the original event stream in
+ * replacement of the incoming event.
+ */
+ std::vector<NotifyMotionArgs> processMotion(const NotifyMotionArgs& args);
+ std::string dump() const;
+
+ void notifyInputDevicesChanged(const std::vector<InputDeviceInfo>& inputDevices);
+
+ void notifyDeviceReset(const NotifyDeviceResetArgs& args);
+
+private:
+ // Stores the device id's of styli that are currently down.
+ std::set<int32_t /*deviceId*/> mActiveStyli;
+ // For each device, store the last touch event as long as the touch is down. Upon liftoff,
+ // the entry is erased.
+ std::map<int32_t /*deviceId*/, NotifyMotionArgs> mLastTouchEvents;
+ // Device ids of devices for which the current touch gesture is canceled.
+ std::set<int32_t /*deviceId*/> mCanceledDevices;
+
+ // Device ids of input devices where we encountered simultaneous touch and stylus
+ // events. For these devices, we don't do any event processing (nothing is blocked or altered).
+ std::set<int32_t /*deviceId*/> mDevicesWithMixedToolType;
+};
+
+} // namespace android
\ No newline at end of file
diff --git a/services/inputflinger/UnwantedInteractionBlocker.cpp b/services/inputflinger/UnwantedInteractionBlocker.cpp
index 64dbb8c..b69e16a 100644
--- a/services/inputflinger/UnwantedInteractionBlocker.cpp
+++ b/services/inputflinger/UnwantedInteractionBlocker.cpp
@@ -44,7 +44,8 @@
}
static bool isFromTouchscreen(int32_t source) {
- return isFromSource(source, AINPUT_SOURCE_TOUCHSCREEN);
+ return isFromSource(source, AINPUT_SOURCE_TOUCHSCREEN) &&
+ !isFromSource(source, AINPUT_SOURCE_STYLUS);
}
static ::base::TimeTicks toChromeTimestamp(nsecs_t eventTime) {
@@ -367,6 +368,14 @@
}
void UnwantedInteractionBlocker::notifyMotion(const NotifyMotionArgs* args) {
+ const std::vector<NotifyMotionArgs> processedArgs =
+ mPreferStylusOverTouchBlocker.processMotion(*args);
+ for (const NotifyMotionArgs& loopArgs : processedArgs) {
+ notifyMotionInner(&loopArgs);
+ }
+}
+
+void UnwantedInteractionBlocker::notifyMotionInner(const NotifyMotionArgs* args) {
auto it = mPalmRejectors.find(args->deviceId);
const bool sendToPalmRejector = it != mPalmRejectors.end() && isFromTouchscreen(args->source);
if (!sendToPalmRejector) {
@@ -400,6 +409,7 @@
mPalmRejectors.emplace(args->deviceId, info);
}
mListener.notifyDeviceReset(args);
+ mPreferStylusOverTouchBlocker.notifyDeviceReset(*args);
}
void UnwantedInteractionBlocker::notifyPointerCaptureChanged(
@@ -436,10 +446,13 @@
auto const& [deviceId, _] = item;
return devicesToKeep.find(deviceId) == devicesToKeep.end();
});
+ mPreferStylusOverTouchBlocker.notifyInputDevicesChanged(inputDevices);
}
void UnwantedInteractionBlocker::dump(std::string& dump) {
dump += "UnwantedInteractionBlocker:\n";
+ dump += " mPreferStylusOverTouchBlocker:\n";
+ dump += addPrefix(mPreferStylusOverTouchBlocker.dump(), " ");
dump += StringPrintf(" mEnablePalmRejection: %s\n", toString(mEnablePalmRejection));
dump += StringPrintf(" isPalmRejectionEnabled (flag value): %s\n",
toString(isPalmRejectionEnabled()));
diff --git a/services/inputflinger/UnwantedInteractionBlocker.h b/services/inputflinger/UnwantedInteractionBlocker.h
index 14068fd..8a1cd72 100644
--- a/services/inputflinger/UnwantedInteractionBlocker.h
+++ b/services/inputflinger/UnwantedInteractionBlocker.h
@@ -23,6 +23,8 @@
#include "ui/events/ozone/evdev/touch_filter/neural_stylus_palm_detection_filter_util.h"
#include "ui/events/ozone/evdev/touch_filter/palm_detection_filter.h"
+#include "PreferStylusOverTouchBlocker.h"
+
namespace android {
// --- Functions for manipulation of event streams
@@ -88,9 +90,14 @@
InputListenerInterface& mListener;
const bool mEnablePalmRejection;
+ // When stylus is down, ignore touch
+ PreferStylusOverTouchBlocker mPreferStylusOverTouchBlocker;
+
// Detect and reject unwanted palms on screen
// Use a separate palm rejector for every touch device.
std::map<int32_t /*deviceId*/, PalmRejector> mPalmRejectors;
+ // TODO(b/210159205): delete this when simultaneous stylus and touch is supported
+ void notifyMotionInner(const NotifyMotionArgs* args);
};
class SlotState {
diff --git a/services/inputflinger/tests/Android.bp b/services/inputflinger/tests/Android.bp
index 9d200bd..76a7c19 100644
--- a/services/inputflinger/tests/Android.bp
+++ b/services/inputflinger/tests/Android.bp
@@ -47,6 +47,7 @@
"InputReader_test.cpp",
"InputFlingerService_test.cpp",
"LatencyTracker_test.cpp",
+ "PreferStylusOverTouch_test.cpp",
"TestInputListener.cpp",
"UinputDevice.cpp",
"UnwantedInteractionBlocker_test.cpp",
diff --git a/services/inputflinger/tests/PreferStylusOverTouch_test.cpp b/services/inputflinger/tests/PreferStylusOverTouch_test.cpp
new file mode 100644
index 0000000..8e2ab88
--- /dev/null
+++ b/services/inputflinger/tests/PreferStylusOverTouch_test.cpp
@@ -0,0 +1,502 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+#include "../PreferStylusOverTouchBlocker.h"
+
+namespace android {
+
+constexpr int32_t TOUCH_DEVICE_ID = 3;
+constexpr int32_t SECOND_TOUCH_DEVICE_ID = 4;
+constexpr int32_t STYLUS_DEVICE_ID = 5;
+constexpr int32_t SECOND_STYLUS_DEVICE_ID = 6;
+
+constexpr int DOWN = AMOTION_EVENT_ACTION_DOWN;
+constexpr int MOVE = AMOTION_EVENT_ACTION_MOVE;
+constexpr int UP = AMOTION_EVENT_ACTION_UP;
+constexpr int CANCEL = AMOTION_EVENT_ACTION_CANCEL;
+static constexpr int32_t POINTER_1_DOWN =
+ AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT);
+constexpr int32_t TOUCHSCREEN = AINPUT_SOURCE_TOUCHSCREEN;
+constexpr int32_t STYLUS = AINPUT_SOURCE_STYLUS;
+
+struct PointerData {
+ float x;
+ float y;
+};
+
+static NotifyMotionArgs generateMotionArgs(nsecs_t downTime, nsecs_t eventTime, int32_t action,
+ const std::vector<PointerData>& points,
+ uint32_t source) {
+ size_t pointerCount = points.size();
+ if (action == DOWN || action == UP) {
+ EXPECT_EQ(1U, pointerCount) << "Actions DOWN and UP can only contain a single pointer";
+ }
+
+ PointerProperties pointerProperties[pointerCount];
+ PointerCoords pointerCoords[pointerCount];
+
+ const int32_t deviceId = isFromSource(source, TOUCHSCREEN) ? TOUCH_DEVICE_ID : STYLUS_DEVICE_ID;
+ const int32_t toolType = isFromSource(source, TOUCHSCREEN) ? AMOTION_EVENT_TOOL_TYPE_FINGER
+ : AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ for (size_t i = 0; i < pointerCount; i++) {
+ pointerProperties[i].clear();
+ pointerProperties[i].id = i;
+ pointerProperties[i].toolType = toolType;
+
+ pointerCoords[i].clear();
+ pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_X, points[i].x);
+ pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_Y, points[i].y);
+ }
+
+ // Currently, can't have STYLUS source without it also being a TOUCH source. Update the source
+ // accordingly.
+ if (isFromSource(source, STYLUS)) {
+ source |= TOUCHSCREEN;
+ }
+
+ // Define a valid motion event.
+ NotifyMotionArgs args(/* id */ 0, eventTime, 0 /*readTime*/, deviceId, source, 0 /*displayId*/,
+ POLICY_FLAG_PASS_TO_USER, action, /* actionButton */ 0,
+ /* flags */ 0, AMETA_NONE, /* buttonState */ 0,
+ MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, pointerCount,
+ pointerProperties, pointerCoords, /* xPrecision */ 0, /* yPrecision */ 0,
+ AMOTION_EVENT_INVALID_CURSOR_POSITION,
+ AMOTION_EVENT_INVALID_CURSOR_POSITION, downTime, /* videoFrames */ {});
+
+ return args;
+}
+
+class PreferStylusOverTouchTest : public testing::Test {
+protected:
+ void assertNotBlocked(const NotifyMotionArgs& args) { assertResponse(args, {args}); }
+
+ void assertDropped(const NotifyMotionArgs& args) { assertResponse(args, {}); }
+
+ void assertResponse(const NotifyMotionArgs& args,
+ const std::vector<NotifyMotionArgs>& expected) {
+ std::vector<NotifyMotionArgs> receivedArgs = mBlocker.processMotion(args);
+ ASSERT_EQ(expected.size(), receivedArgs.size());
+ for (size_t i = 0; i < expected.size(); i++) {
+ // The 'eventTime' of CANCEL events is dynamically generated. Don't check this field.
+ if (expected[i].action == CANCEL && receivedArgs[i].action == CANCEL) {
+ receivedArgs[i].eventTime = expected[i].eventTime;
+ }
+
+ ASSERT_EQ(expected[i], receivedArgs[i])
+ << expected[i].dump() << " vs " << receivedArgs[i].dump();
+ }
+ }
+
+ void notifyInputDevicesChanged(const std::vector<InputDeviceInfo>& devices) {
+ mBlocker.notifyInputDevicesChanged(devices);
+ }
+
+ void dump() const { ALOGI("Blocker: \n%s\n", mBlocker.dump().c_str()); }
+
+private:
+ PreferStylusOverTouchBlocker mBlocker;
+};
+
+TEST_F(PreferStylusOverTouchTest, TouchGestureIsNotBlocked) {
+ NotifyMotionArgs args;
+
+ args = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(0 /*downTime*/, 1 /*eventTime*/, MOVE, {{1, 3}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(0 /*downTime*/, 2 /*eventTime*/, UP, {{1, 3}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+}
+
+TEST_F(PreferStylusOverTouchTest, StylusGestureIsNotBlocked) {
+ NotifyMotionArgs args;
+
+ args = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2}}, STYLUS);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(0 /*downTime*/, 1 /*eventTime*/, MOVE, {{1, 3}}, STYLUS);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(0 /*downTime*/, 2 /*eventTime*/, UP, {{1, 3}}, STYLUS);
+ assertNotBlocked(args);
+}
+
+/**
+ * Existing touch gesture should be canceled when stylus goes down. There should be an ACTION_CANCEL
+ * event generated.
+ */
+TEST_F(PreferStylusOverTouchTest, TouchIsCanceledWhenStylusGoesDown) {
+ NotifyMotionArgs args;
+
+ args = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(0 /*downTime*/, 1 /*eventTime*/, MOVE, {{1, 3}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(3 /*downTime*/, 3 /*eventTime*/, DOWN, {{10, 30}}, STYLUS);
+ NotifyMotionArgs cancelArgs =
+ generateMotionArgs(0 /*downTime*/, 1 /*eventTime*/, CANCEL, {{1, 3}}, TOUCHSCREEN);
+ cancelArgs.flags |= AMOTION_EVENT_FLAG_CANCELED;
+ assertResponse(args, {cancelArgs, args});
+
+ // Both stylus and touch events continue. Stylus should be not blocked, and touch should be
+ // blocked
+ args = generateMotionArgs(3 /*downTime*/, 4 /*eventTime*/, MOVE, {{10, 31}}, STYLUS);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(0 /*downTime*/, 5 /*eventTime*/, MOVE, {{1, 4}}, TOUCHSCREEN);
+ assertDropped(args);
+}
+
+/**
+ * Stylus goes down after touch gesture.
+ */
+TEST_F(PreferStylusOverTouchTest, StylusDownAfterTouch) {
+ NotifyMotionArgs args;
+
+ args = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(0 /*downTime*/, 1 /*eventTime*/, MOVE, {{1, 3}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(0 /*downTime*/, 2 /*eventTime*/, UP, {{1, 3}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+
+ // Stylus goes down
+ args = generateMotionArgs(3 /*downTime*/, 3 /*eventTime*/, DOWN, {{10, 30}}, STYLUS);
+ assertNotBlocked(args);
+}
+
+/**
+ * New touch events should be simply blocked (dropped) when stylus is down. No CANCEL event should
+ * be generated.
+ */
+TEST_F(PreferStylusOverTouchTest, NewTouchIsBlockedWhenStylusIsDown) {
+ NotifyMotionArgs args;
+ constexpr nsecs_t stylusDownTime = 0;
+ constexpr nsecs_t touchDownTime = 1;
+
+ args = generateMotionArgs(stylusDownTime, 0 /*eventTime*/, DOWN, {{10, 30}}, STYLUS);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(touchDownTime, 1 /*eventTime*/, DOWN, {{1, 2}}, TOUCHSCREEN);
+ assertDropped(args);
+
+ // Stylus should continue to work
+ args = generateMotionArgs(stylusDownTime, 2 /*eventTime*/, MOVE, {{10, 31}}, STYLUS);
+ assertNotBlocked(args);
+
+ // Touch should continue to be blocked
+ args = generateMotionArgs(touchDownTime, 1 /*eventTime*/, MOVE, {{1, 3}}, TOUCHSCREEN);
+ assertDropped(args);
+
+ args = generateMotionArgs(0 /*downTime*/, 5 /*eventTime*/, MOVE, {{1, 4}}, TOUCHSCREEN);
+ assertDropped(args);
+}
+
+/**
+ * New touch events should be simply blocked (dropped) when stylus is down. No CANCEL event should
+ * be generated.
+ */
+TEST_F(PreferStylusOverTouchTest, NewTouchWorksAfterStylusIsLifted) {
+ NotifyMotionArgs args;
+ constexpr nsecs_t stylusDownTime = 0;
+ constexpr nsecs_t touchDownTime = 4;
+
+ // Stylus goes down and up
+ args = generateMotionArgs(stylusDownTime, 0 /*eventTime*/, DOWN, {{10, 30}}, STYLUS);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(stylusDownTime, 2 /*eventTime*/, MOVE, {{10, 31}}, STYLUS);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(stylusDownTime, 3 /*eventTime*/, UP, {{10, 31}}, STYLUS);
+ assertNotBlocked(args);
+
+ // New touch goes down. It should not be blocked
+ args = generateMotionArgs(touchDownTime, touchDownTime, DOWN, {{1, 2}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(touchDownTime, 5 /*eventTime*/, MOVE, {{1, 3}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+
+ args = generateMotionArgs(touchDownTime, 6 /*eventTime*/, UP, {{1, 3}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+}
+
+/**
+ * Once a touch gesture is canceled, it should continue to be canceled, even if the stylus has been
+ * lifted.
+ */
+TEST_F(PreferStylusOverTouchTest, AfterStylusIsLiftedCurrentTouchIsBlocked) {
+ NotifyMotionArgs args;
+ constexpr nsecs_t stylusDownTime = 0;
+ constexpr nsecs_t touchDownTime = 1;
+
+ assertNotBlocked(generateMotionArgs(stylusDownTime, 0 /*eventTime*/, DOWN, {{10, 30}}, STYLUS));
+
+ args = generateMotionArgs(touchDownTime, 1 /*eventTime*/, DOWN, {{1, 2}}, TOUCHSCREEN);
+ assertDropped(args);
+
+ // Lift the stylus
+ args = generateMotionArgs(stylusDownTime, 2 /*eventTime*/, UP, {{10, 30}}, STYLUS);
+ assertNotBlocked(args);
+
+ // Touch should continue to be blocked
+ args = generateMotionArgs(touchDownTime, 3 /*eventTime*/, MOVE, {{1, 3}}, TOUCHSCREEN);
+ assertDropped(args);
+
+ args = generateMotionArgs(touchDownTime, 4 /*eventTime*/, UP, {{1, 3}}, TOUCHSCREEN);
+ assertDropped(args);
+
+ // New touch should go through, though.
+ constexpr nsecs_t newTouchDownTime = 5;
+ args = generateMotionArgs(newTouchDownTime, 5 /*eventTime*/, DOWN, {{10, 20}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+}
+
+/**
+ * If an event with mixed stylus and touch pointers is encountered, it should be ignored. Touches
+ * from such should pass, even if stylus from the same device goes down.
+ */
+TEST_F(PreferStylusOverTouchTest, MixedStylusAndTouchPointersAreIgnored) {
+ NotifyMotionArgs args;
+
+ // Event from a stylus device, but with finger tool type
+ args = generateMotionArgs(1 /*downTime*/, 1 /*eventTime*/, DOWN, {{1, 2}}, STYLUS);
+ // Keep source stylus, but make the tool type touch
+ args.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+ assertNotBlocked(args);
+
+ // Second pointer (stylus pointer) goes down, from the same device
+ args = generateMotionArgs(1 /*downTime*/, 2 /*eventTime*/, POINTER_1_DOWN, {{1, 2}, {10, 20}},
+ STYLUS);
+ // Keep source stylus, but make the tool type touch
+ args.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ assertNotBlocked(args);
+
+ // Second pointer (stylus pointer) goes down, from the same device
+ args = generateMotionArgs(1 /*downTime*/, 3 /*eventTime*/, MOVE, {{2, 3}, {11, 21}}, STYLUS);
+ // Keep source stylus, but make the tool type touch
+ args.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+ assertNotBlocked(args);
+}
+
+/**
+ * When there are two touch devices, stylus down should cancel all current touch streams.
+ */
+TEST_F(PreferStylusOverTouchTest, TouchFromTwoDevicesAndStylus) {
+ NotifyMotionArgs touch1Down =
+ generateMotionArgs(1 /*downTime*/, 1 /*eventTime*/, DOWN, {{1, 2}}, TOUCHSCREEN);
+ assertNotBlocked(touch1Down);
+
+ NotifyMotionArgs touch2Down =
+ generateMotionArgs(2 /*downTime*/, 2 /*eventTime*/, DOWN, {{3, 4}}, TOUCHSCREEN);
+ touch2Down.deviceId = SECOND_TOUCH_DEVICE_ID;
+ assertNotBlocked(touch2Down);
+
+ NotifyMotionArgs stylusDown =
+ generateMotionArgs(3 /*downTime*/, 3 /*eventTime*/, DOWN, {{10, 30}}, STYLUS);
+ NotifyMotionArgs cancelArgs1 = touch1Down;
+ cancelArgs1.action = CANCEL;
+ cancelArgs1.flags |= AMOTION_EVENT_FLAG_CANCELED;
+ NotifyMotionArgs cancelArgs2 = touch2Down;
+ cancelArgs2.action = CANCEL;
+ cancelArgs2.flags |= AMOTION_EVENT_FLAG_CANCELED;
+ assertResponse(stylusDown, {cancelArgs1, cancelArgs2, stylusDown});
+}
+
+/**
+ * Touch should be canceled when stylus goes down. After the stylus lifts up, the touch from that
+ * device should continue to be canceled.
+ * If one of the devices is already canceled, it should remain canceled, but new touches from a
+ * different device should go through.
+ */
+TEST_F(PreferStylusOverTouchTest, AllTouchMustLiftAfterCanceledByStylus) {
+ // First device touches down
+ NotifyMotionArgs touch1Down =
+ generateMotionArgs(1 /*downTime*/, 1 /*eventTime*/, DOWN, {{1, 2}}, TOUCHSCREEN);
+ assertNotBlocked(touch1Down);
+
+ // Stylus goes down - touch should be canceled
+ NotifyMotionArgs stylusDown =
+ generateMotionArgs(2 /*downTime*/, 2 /*eventTime*/, DOWN, {{10, 30}}, STYLUS);
+ NotifyMotionArgs cancelArgs1 = touch1Down;
+ cancelArgs1.action = CANCEL;
+ cancelArgs1.flags |= AMOTION_EVENT_FLAG_CANCELED;
+ assertResponse(stylusDown, {cancelArgs1, stylusDown});
+
+ // Stylus goes up
+ NotifyMotionArgs stylusUp =
+ generateMotionArgs(2 /*downTime*/, 3 /*eventTime*/, UP, {{10, 30}}, STYLUS);
+ assertNotBlocked(stylusUp);
+
+ // Touch from the first device remains blocked
+ NotifyMotionArgs touch1Move =
+ generateMotionArgs(1 /*downTime*/, 4 /*eventTime*/, MOVE, {{2, 3}}, TOUCHSCREEN);
+ assertDropped(touch1Move);
+
+ // Second touch goes down. It should not be blocked because stylus has already lifted.
+ NotifyMotionArgs touch2Down =
+ generateMotionArgs(5 /*downTime*/, 5 /*eventTime*/, DOWN, {{31, 32}}, TOUCHSCREEN);
+ touch2Down.deviceId = SECOND_TOUCH_DEVICE_ID;
+ assertNotBlocked(touch2Down);
+
+ // First device is lifted up. It's already been canceled, so the UP event should be dropped.
+ NotifyMotionArgs touch1Up =
+ generateMotionArgs(1 /*downTime*/, 6 /*eventTime*/, UP, {{2, 3}}, TOUCHSCREEN);
+ assertDropped(touch1Up);
+
+ // Touch from second device touch should continue to work
+ NotifyMotionArgs touch2Move =
+ generateMotionArgs(5 /*downTime*/, 7 /*eventTime*/, MOVE, {{32, 33}}, TOUCHSCREEN);
+ touch2Move.deviceId = SECOND_TOUCH_DEVICE_ID;
+ assertNotBlocked(touch2Move);
+
+ // Second touch lifts up
+ NotifyMotionArgs touch2Up =
+ generateMotionArgs(5 /*downTime*/, 8 /*eventTime*/, UP, {{32, 33}}, TOUCHSCREEN);
+ touch2Up.deviceId = SECOND_TOUCH_DEVICE_ID;
+ assertNotBlocked(touch2Up);
+
+ // Now that all touch has been lifted, new touch from either first or second device should work
+ NotifyMotionArgs touch3Down =
+ generateMotionArgs(9 /*downTime*/, 9 /*eventTime*/, DOWN, {{1, 2}}, TOUCHSCREEN);
+ assertNotBlocked(touch3Down);
+
+ NotifyMotionArgs touch4Down =
+ generateMotionArgs(10 /*downTime*/, 10 /*eventTime*/, DOWN, {{100, 200}}, TOUCHSCREEN);
+ touch4Down.deviceId = SECOND_TOUCH_DEVICE_ID;
+ assertNotBlocked(touch4Down);
+}
+
+/**
+ * When we don't know that a specific device does both stylus and touch, and we only see touch
+ * pointers from it, we should treat it as a touch device. That means, the device events should be
+ * canceled when stylus from another device goes down. When we detect simultaneous touch and stylus
+ * from this device though, we should just pass this device through without canceling anything.
+ *
+ * In this test:
+ * 1. Start by touching down with device 1
+ * 2. Device 2 has stylus going down
+ * 3. Device 1 should be canceled.
+ * 4. When we add stylus pointers to the device 1, they should continue to be canceled.
+ * 5. Device 1 lifts up.
+ * 6. Subsequent events from device 1 should not be canceled even if stylus is down.
+ * 7. If a reset happens, and such device is no longer there, then we should
+ * Therefore, the device 1 is "ignored" and does not participate into "prefer stylus over touch"
+ * behaviour.
+ */
+TEST_F(PreferStylusOverTouchTest, MixedStylusAndTouchDeviceIsCanceledAtFirst) {
+ // Touch from device 1 goes down
+ NotifyMotionArgs touchDown =
+ generateMotionArgs(1 /*downTime*/, 1 /*eventTime*/, DOWN, {{1, 2}}, TOUCHSCREEN);
+ touchDown.source = STYLUS;
+ assertNotBlocked(touchDown);
+
+ // Stylus from device 2 goes down. Touch should be canceled.
+ NotifyMotionArgs args =
+ generateMotionArgs(2 /*downTime*/, 2 /*eventTime*/, DOWN, {{10, 20}}, STYLUS);
+ NotifyMotionArgs cancelTouchArgs = touchDown;
+ cancelTouchArgs.action = CANCEL;
+ cancelTouchArgs.flags |= AMOTION_EVENT_FLAG_CANCELED;
+ assertResponse(args, {cancelTouchArgs, args});
+
+ // Introduce a stylus pointer into the device 1 stream. It should be ignored.
+ args = generateMotionArgs(1 /*downTime*/, 3 /*eventTime*/, POINTER_1_DOWN, {{1, 2}, {3, 4}},
+ TOUCHSCREEN);
+ args.pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ args.source = STYLUS;
+ assertDropped(args);
+
+ // Lift up touch from the mixed touch/stylus device
+ args = generateMotionArgs(1 /*downTime*/, 4 /*eventTime*/, CANCEL, {{1, 2}, {3, 4}},
+ TOUCHSCREEN);
+ args.pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ args.source = STYLUS;
+ assertDropped(args);
+
+ // Stylus from device 2 is still down. Since the device 1 is now identified as a mixed
+ // touch/stylus device, its events should go through, even if they are touch.
+ args = generateMotionArgs(5 /*downTime*/, 5 /*eventTime*/, DOWN, {{21, 22}}, TOUCHSCREEN);
+ touchDown.source = STYLUS;
+ assertResponse(args, {args});
+
+ // Reconfigure such that only the stylus device remains
+ InputDeviceInfo stylusDevice;
+ stylusDevice.initialize(STYLUS_DEVICE_ID, 1 /*generation*/, 1 /*controllerNumber*/,
+ {} /*identifier*/, "stylus device", false /*external*/,
+ false /*hasMic*/);
+ notifyInputDevicesChanged({stylusDevice});
+ // The touchscreen device was removed, so we no longer remember anything about it. We should
+ // again start blocking touch events from it.
+ args = generateMotionArgs(6 /*downTime*/, 6 /*eventTime*/, DOWN, {{1, 2}}, TOUCHSCREEN);
+ args.source = STYLUS;
+ assertDropped(args);
+}
+
+/**
+ * If two styli are active at the same time, touch should be blocked until both of them are lifted.
+ * If one of them lifts, touch should continue to be blocked.
+ */
+TEST_F(PreferStylusOverTouchTest, TouchIsBlockedWhenTwoStyliAreUsed) {
+ NotifyMotionArgs args;
+
+ // First stylus is down
+ assertNotBlocked(generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{10, 30}}, STYLUS));
+
+ // Second stylus is down
+ args = generateMotionArgs(1 /*downTime*/, 1 /*eventTime*/, DOWN, {{20, 40}}, STYLUS);
+ args.deviceId = SECOND_STYLUS_DEVICE_ID;
+ assertNotBlocked(args);
+
+ // Touch goes down. It should be ignored.
+ args = generateMotionArgs(2 /*downTime*/, 2 /*eventTime*/, DOWN, {{1, 2}}, TOUCHSCREEN);
+ assertDropped(args);
+
+ // Lift the first stylus
+ args = generateMotionArgs(0 /*downTime*/, 3 /*eventTime*/, UP, {{10, 30}}, STYLUS);
+ assertNotBlocked(args);
+
+ // Touch should continue to be blocked
+ args = generateMotionArgs(2 /*downTime*/, 4 /*eventTime*/, UP, {{1, 2}}, TOUCHSCREEN);
+ assertDropped(args);
+
+ // New touch should be blocked because second stylus is still down
+ args = generateMotionArgs(5 /*downTime*/, 5 /*eventTime*/, DOWN, {{5, 6}}, TOUCHSCREEN);
+ assertDropped(args);
+
+ // Second stylus goes up
+ args = generateMotionArgs(1 /*downTime*/, 6 /*eventTime*/, UP, {{20, 40}}, STYLUS);
+ args.deviceId = SECOND_STYLUS_DEVICE_ID;
+ assertNotBlocked(args);
+
+ // Current touch gesture should continue to be blocked
+ // Touch should continue to be blocked
+ args = generateMotionArgs(5 /*downTime*/, 7 /*eventTime*/, UP, {{5, 6}}, TOUCHSCREEN);
+ assertDropped(args);
+
+ // Now that all styli were lifted, new touch should go through
+ args = generateMotionArgs(8 /*downTime*/, 8 /*eventTime*/, DOWN, {{7, 8}}, TOUCHSCREEN);
+ assertNotBlocked(args);
+}
+
+} // namespace android
diff --git a/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp b/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp
index a3220cc..e378096 100644
--- a/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp
+++ b/services/inputflinger/tests/UnwantedInteractionBlocker_test.cpp
@@ -490,6 +490,14 @@
&(args = generateMotionArgs(0 /*downTime*/, 4 /*eventTime*/, DOWN, {{7, 8, 9}})));
}
+TEST_F(UnwantedInteractionBlockerTest, NoCrashWhenStylusSourceWithFingerToolIsReceived) {
+ mBlocker->notifyInputDevicesChanged({generateTestDeviceInfo()});
+ NotifyMotionArgs args = generateMotionArgs(0 /*downTime*/, 1 /*eventTime*/, DOWN, {{1, 2, 3}});
+ args.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+ args.source = AINPUT_SOURCE_STYLUS;
+ mBlocker->notifyMotion(&args);
+}
+
/**
* If input devices have changed, but the important device info that's used by the
* UnwantedInteractionBlocker has not changed, there should not be a reset.
@@ -511,6 +519,34 @@
&(args = generateMotionArgs(0 /*downTime*/, 4 /*eventTime*/, MOVE, {{7, 8, 9}})));
}
+/**
+ * Send a touch event, and then a stylus event. Make sure that both work.
+ */
+TEST_F(UnwantedInteractionBlockerTest, StylusAfterTouchWorks) {
+ NotifyMotionArgs args;
+ mBlocker->notifyInputDevicesChanged({generateTestDeviceInfo()});
+ args = generateMotionArgs(0 /*downTime*/, 0 /*eventTime*/, DOWN, {{1, 2, 3}});
+ mBlocker->notifyMotion(&args);
+ args = generateMotionArgs(0 /*downTime*/, 1 /*eventTime*/, MOVE, {{4, 5, 6}});
+ mBlocker->notifyMotion(&args);
+ args = generateMotionArgs(0 /*downTime*/, 2 /*eventTime*/, UP, {{4, 5, 6}});
+ mBlocker->notifyMotion(&args);
+
+ // Now touch down stylus
+ args = generateMotionArgs(3 /*downTime*/, 3 /*eventTime*/, DOWN, {{10, 20, 30}});
+ args.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ args.source |= AINPUT_SOURCE_STYLUS;
+ mBlocker->notifyMotion(&args);
+ args = generateMotionArgs(3 /*downTime*/, 4 /*eventTime*/, MOVE, {{40, 50, 60}});
+ args.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ args.source |= AINPUT_SOURCE_STYLUS;
+ mBlocker->notifyMotion(&args);
+ args = generateMotionArgs(3 /*downTime*/, 5 /*eventTime*/, UP, {{40, 50, 60}});
+ args.pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;
+ args.source |= AINPUT_SOURCE_STYLUS;
+ mBlocker->notifyMotion(&args);
+}
+
using UnwantedInteractionBlockerTestDeathTest = UnwantedInteractionBlockerTest;
/**