Disable Tap to click while typing on a PK
This change will disable tap to click on touchpad while user is typing
on keyboard. Any move events or new taps will reenable tap to click.
Test: atest GestureConverterTest && atest inputflinger_tests and manual
testing
Bug: 275616121
Change-Id: I5b7d984e5cce7f65c16ec19a0b8373c95e75f30b
diff --git a/services/inputflinger/reader/InputReader.cpp b/services/inputflinger/reader/InputReader.cpp
index ea95f78..08600b2 100644
--- a/services/inputflinger/reader/InputReader.cpp
+++ b/services/inputflinger/reader/InputReader.cpp
@@ -1040,6 +1040,16 @@
return mReader->getLedMetaStateLocked();
}
+void InputReader::ContextImpl::setPreventingTouchpadTaps(bool prevent) {
+ // lock is already held by the input loop
+ mReader->mPreventingTouchpadTaps = prevent;
+}
+
+bool InputReader::ContextImpl::isPreventingTouchpadTaps() {
+ // lock is already held by the input loop
+ return mReader->mPreventingTouchpadTaps;
+}
+
void InputReader::ContextImpl::disableVirtualKeysUntil(nsecs_t time) {
// lock is already held by the input loop
mReader->disableVirtualKeysUntilLocked(time);
diff --git a/services/inputflinger/reader/include/InputReader.h b/services/inputflinger/reader/include/InputReader.h
index 9112913..01ec7c1 100644
--- a/services/inputflinger/reader/include/InputReader.h
+++ b/services/inputflinger/reader/include/InputReader.h
@@ -155,6 +155,9 @@
int32_t getNextId() NO_THREAD_SAFETY_ANALYSIS override;
void updateLedMetaState(int32_t metaState) REQUIRES(mReader->mLock) override;
int32_t getLedMetaState() REQUIRES(mReader->mLock) REQUIRES(mLock) override;
+ void setPreventingTouchpadTaps(bool prevent) REQUIRES(mReader->mLock)
+ REQUIRES(mLock) override;
+ bool isPreventingTouchpadTaps() REQUIRES(mReader->mLock) REQUIRES(mLock) override;
} mContext;
friend class ContextImpl;
@@ -185,6 +188,9 @@
std::unordered_map<std::shared_ptr<InputDevice>, std::vector<int32_t> /*eventHubId*/>
mDeviceToEventHubIdsMap GUARDED_BY(mLock);
+ // true if tap-to-click on touchpad currently disabled
+ bool mPreventingTouchpadTaps GUARDED_BY(mLock){false};
+
// low-level input event decoding and device management
[[nodiscard]] std::list<NotifyArgs> processEventsLocked(const RawEvent* rawEvents, size_t count)
REQUIRES(mLock);
diff --git a/services/inputflinger/reader/include/InputReaderContext.h b/services/inputflinger/reader/include/InputReaderContext.h
index 0beace1..aed7563 100644
--- a/services/inputflinger/reader/include/InputReaderContext.h
+++ b/services/inputflinger/reader/include/InputReaderContext.h
@@ -62,6 +62,9 @@
virtual void updateLedMetaState(int32_t metaState) = 0;
virtual int32_t getLedMetaState() = 0;
+
+ virtual void setPreventingTouchpadTaps(bool prevent) = 0;
+ virtual bool isPreventingTouchpadTaps() = 0;
};
} // namespace android
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp b/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
index d51ec45..5c42e10 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
@@ -242,7 +242,7 @@
keyDown.downTime = when;
mKeyDowns.push_back(keyDown);
}
- tryHideCursorOnKeyDown();
+ onKeyDownProcessed();
} else {
// Remove key down.
if (keyDownIndex) {
@@ -420,12 +420,18 @@
return out;
}
-void KeyboardInputMapper::tryHideCursorOnKeyDown() {
- // Hide the cursor while user is inputting text, ignoring meta keys or multiple simultaneous
- // down keys as they are likely to be shortcuts
- const bool shouldHideCursor = mKeyDowns.size() == 1 && !isMetaKey(mKeyDowns[0].keyCode);
- if (shouldHideCursor && getContext()->getPolicy()->isInputMethodConnectionActive()) {
- getContext()->fadePointer();
+void KeyboardInputMapper::onKeyDownProcessed() {
+ InputReaderContext& context = *getContext();
+ if (context.isPreventingTouchpadTaps()) {
+ // avoid pinging java service unnecessarily
+ return;
+ }
+ // Ignore meta keys or multiple simultaneous down keys as they are likely to be keyboard
+ // shortcuts
+ bool shouldHideCursor = mKeyDowns.size() == 1 && !isMetaKey(mKeyDowns[0].keyCode);
+ if (shouldHideCursor && context.getPolicy()->isInputMethodConnectionActive()) {
+ context.fadePointer();
+ context.setPreventingTouchpadTaps(true);
}
}
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.h b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
index 361abe0..96044eb 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.h
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
@@ -104,7 +104,7 @@
void updateLedStateForModifier(LedState& ledState, int32_t led, int32_t modifier, bool reset);
std::optional<DisplayViewport> findViewport(const InputReaderConfiguration& readerConfig);
[[nodiscard]] std::list<NotifyArgs> cancelAllDownKeys(nsecs_t when);
- void tryHideCursorOnKeyDown();
+ void onKeyDownProcessed();
};
} // namespace android
diff --git a/services/inputflinger/reader/mapper/gestures/GestureConverter.cpp b/services/inputflinger/reader/mapper/gestures/GestureConverter.cpp
index e826341..3abf2bd 100644
--- a/services/inputflinger/reader/mapper/gestures/GestureConverter.cpp
+++ b/services/inputflinger/reader/mapper/gestures/GestureConverter.cpp
@@ -153,6 +153,9 @@
const Gesture& gesture) {
float deltaX = gesture.details.move.dx;
float deltaY = gesture.details.move.dy;
+ if (std::abs(deltaX) > 0 || std::abs(deltaY) > 0) {
+ enableTapToClick();
+ }
rotateDelta(mOrientation, &deltaX, &deltaY);
mPointerController->setPresentation(PointerControllerInterface::Presentation::POINTER);
@@ -191,6 +194,15 @@
coords.setAxisValue(AMOTION_EVENT_AXIS_Y, yCursorPosition);
coords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, 0);
coords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, 0);
+
+ if (mReaderContext.isPreventingTouchpadTaps()) {
+ enableTapToClick();
+ if (gesture.details.buttons.is_tap) {
+ // return early to prevent this tap
+ return out;
+ }
+ }
+
const uint32_t buttonsPressed = gesture.details.buttons.down;
bool pointerDown = isPointerDown(mButtonState) ||
buttonsPressed &
@@ -337,6 +349,9 @@
// magnitude, which will also result in the pointer icon being updated.
// TODO(b/282023644): Add a signal in libgestures for when a stable contact has been
// initiated with a touchpad.
+ if (!mReaderContext.isPreventingTouchpadTaps()) {
+ enableTapToClick();
+ }
return {handleMove(when, readTime,
Gesture(kGestureMove, gesture.start_time, gesture.end_time,
/*dx=*/0.f,
@@ -545,7 +560,7 @@
/* policyFlags= */ POLICY_FLAG_WAKE,
action,
/* actionButton= */ actionButton,
- /* flags= */ 0,
+ /* flags= */ action == AMOTION_EVENT_ACTION_CANCEL ? AMOTION_EVENT_FLAG_CANCELED : 0,
mReaderContext.getGlobalMetaState(),
buttonState,
mCurrentClassification,
@@ -561,4 +576,8 @@
/* videoFrames= */ {}};
}
+void GestureConverter::enableTapToClick() {
+ mReaderContext.setPreventingTouchpadTaps(false);
+}
+
} // namespace android
diff --git a/services/inputflinger/reader/mapper/gestures/GestureConverter.h b/services/inputflinger/reader/mapper/gestures/GestureConverter.h
index b613b88..3ea3790 100644
--- a/services/inputflinger/reader/mapper/gestures/GestureConverter.h
+++ b/services/inputflinger/reader/mapper/gestures/GestureConverter.h
@@ -78,6 +78,8 @@
const PointerCoords* pointerCoords, float xCursorPosition,
float yCursorPosition);
+ void enableTapToClick();
+
const int32_t mDeviceId;
InputReaderContext& mReaderContext;
std::shared_ptr<PointerControllerInterface> mPointerController;