Revert "[3/n CD Cursor] Enable cross-display mouse gestures"

This reverts commit d6e8320.

Reason for revert: Droidmonitor created revert due to b/396158196. Will be verifying through ABTD before submission.

Change-Id: I41ec50ba1c97e8c1ebfa095e0a027cc4186e9131

Author: Priyanka Advani (xWF)

services/inputflinger/dispatcher/InputDispatcher.cpp

@@ -2398,7 +2398,7 @@ InputDispatcher::DispatcherTouchState::findTouchedWindowTargets(
     // Copy current touch state into tempTouchState.
     // This state will be used to update saved touch state at the end of this function.
     // If no state for the specified display exists, then our initial state will be empty.
-    const TouchState* oldState = getTouchStateForMotionEntry(entry, windowInfos);
+    const TouchState* oldState = getTouchStateForMotionEntry(entry);
     TouchState tempTouchState;
     if (oldState != nullptr) {
         tempTouchState = *oldState;
@@ -2787,9 +2787,9 @@ InputDispatcher::DispatcherTouchState::findTouchedWindowTargets(
     if (maskedAction != AMOTION_EVENT_ACTION_SCROLL) {
         if (displayId >= ui::LogicalDisplayId::DEFAULT) {
             tempTouchState.clearWindowsWithoutPointers();
-            saveTouchStateForMotionEntry(entry, std::move(tempTouchState), windowInfos);
+            saveTouchStateForMotionEntry(entry, std::move(tempTouchState));
         } else {
-            eraseTouchStateForMotionEntry(entry, windowInfos);
+            eraseTouchStateForMotionEntry(entry);
         }
     }
 
@@ -5182,14 +5182,6 @@ ui::Transform InputDispatcher::DispatcherWindowInfo::getRawTransform(
             : getDisplayTransform(windowInfo.displayId);
 }
 
-ui::LogicalDisplayId InputDispatcher::DispatcherWindowInfo::getPrimaryDisplayId(
-        ui::LogicalDisplayId displayId) const {
-    if (mTopology.graph.contains(displayId)) {
-        return mTopology.primaryDisplayId;
-    }
-    return displayId;
-}
-
 std::string InputDispatcher::DispatcherWindowInfo::dumpDisplayAndWindowInfo() const {
     std::string dump;
     if (!mWindowHandlesByDisplay.empty()) {
@@ -7483,37 +7475,32 @@ void InputDispatcher::DispatcherTouchState::clear() {
 
 void InputDispatcher::DispatcherTouchState::saveTouchStateForMotionEntry(
         const android::inputdispatcher::MotionEntry& entry,
-        android::inputdispatcher::TouchState&& touchState,
-        const DispatcherWindowInfo& windowInfos) {
+        android::inputdispatcher::TouchState&& touchState) {
     if (touchState.windows.empty()) {
-        eraseTouchStateForMotionEntry(entry, windowInfos);
+        eraseTouchStateForMotionEntry(entry);
         return;
     }
 
     if (USE_TOPOLOGY && isMouseOrTouchpad(entry.source)) {
-        mCursorStateByDisplay[windowInfos.getPrimaryDisplayId(entry.displayId)] =
-                std::move(touchState);
+        mCursorStateByDisplay[entry.displayId] = std::move(touchState);
     } else {
         mTouchStatesByDisplay[entry.displayId] = std::move(touchState);
     }
 }
 
 void InputDispatcher::DispatcherTouchState::eraseTouchStateForMotionEntry(
-        const android::inputdispatcher::MotionEntry& entry,
-        const DispatcherWindowInfo& windowInfos) {
+        const android::inputdispatcher::MotionEntry& entry) {
     if (USE_TOPOLOGY && isMouseOrTouchpad(entry.source)) {
-        mCursorStateByDisplay.erase(windowInfos.getPrimaryDisplayId(entry.displayId));
+        mCursorStateByDisplay.erase(entry.displayId);
     } else {
         mTouchStatesByDisplay.erase(entry.displayId);
     }
 }
 
 const TouchState* InputDispatcher::DispatcherTouchState::getTouchStateForMotionEntry(
-        const android::inputdispatcher::MotionEntry& entry,
-        const DispatcherWindowInfo& windowInfos) const {
+        const android::inputdispatcher::MotionEntry& entry) const {
     if (USE_TOPOLOGY && isMouseOrTouchpad(entry.source)) {
-        auto touchStateIt =
-                mCursorStateByDisplay.find(windowInfos.getPrimaryDisplayId(entry.displayId));
+        auto touchStateIt = mCursorStateByDisplay.find(entry.displayId);
         if (touchStateIt != mCursorStateByDisplay.end()) {
             return &touchStateIt->second;
         }

services/inputflinger/dispatcher/InputDispatcher.h

@@ -336,10 +336,6 @@ class InputDispatcher : public android::InputDispatcherInterface {
 
         bool isTouchTrusted(const TouchOcclusionInfo& occlusionInfo) const;
 
-        // Returns topology's primary display if the display belongs to it, otherwise the
-        // same displayId.
-        ui::LogicalDisplayId getPrimaryDisplayId(ui::LogicalDisplayId displayId) const;
-
         std::string dumpDisplayAndWindowInfo() const;
 
     private:
@@ -470,15 +466,12 @@ class InputDispatcher : public android::InputDispatcherInterface {
                 ftl::Flags<InputTarget::Flags> newTargetFlags,
                 const DispatcherWindowInfo& windowInfos, const ConnectionManager& connections);
 
-        void saveTouchStateForMotionEntry(const MotionEntry& entry, TouchState&& touchState,
-                                          const DispatcherWindowInfo& windowInfos);
+        void saveTouchStateForMotionEntry(const MotionEntry& entry, TouchState&& touchState);
 
-        void eraseTouchStateForMotionEntry(const MotionEntry& entry,
-                                           const DispatcherWindowInfo& windowInfos);
+        void eraseTouchStateForMotionEntry(const MotionEntry& entry);
 
         const TouchState* getTouchStateForMotionEntry(
-                const android::inputdispatcher::MotionEntry& entry,
-                const DispatcherWindowInfo& windowInfos) const;
+                const android::inputdispatcher::MotionEntry& entry) const;
 
         bool canWindowReceiveMotion(const sp<gui::WindowInfoHandle>& window,
                                     const MotionEntry& motionEntry,

services/inputflinger/dispatcher/InputState.cpp

@@ -24,19 +24,6 @@
 
 namespace android::inputdispatcher {
 
-namespace {
-
-const bool USE_TOPOLOGY = com::android::input::flags::connected_displays_cursor();
-
-bool isMouseOrTouchpad(uint32_t sources) {
-    // Check if this is a mouse or touchpad, but not a drawing tablet.
-    return isFromSource(sources, AINPUT_SOURCE_MOUSE_RELATIVE) ||
-            (isFromSource(sources, AINPUT_SOURCE_MOUSE) &&
-             !isFromSource(sources, AINPUT_SOURCE_STYLUS));
-}
-
-} // namespace
-
 InputState::InputState(const IdGenerator& idGenerator) : mIdGenerator(idGenerator) {}
 
 InputState::~InputState() {}
@@ -234,14 +221,10 @@ ssize_t InputState::findKeyMemento(const KeyEntry& entry) const {
 }
 
 ssize_t InputState::findMotionMemento(const MotionEntry& entry, bool hovering) const {
-    // If we have connected displays a mouse can move between displays and displayId may change
-    // while a gesture is in-progress.
-    const bool skipDisplayCheck = USE_TOPOLOGY && isMouseOrTouchpad(entry.source);
     for (size_t i = 0; i < mMotionMementos.size(); i++) {
         const MotionMemento& memento = mMotionMementos[i];
         if (memento.deviceId == entry.deviceId && memento.source == entry.source &&
-            memento.hovering == hovering &&
-            (skipDisplayCheck || memento.displayId == entry.displayId)) {
+            memento.displayId == entry.displayId && memento.hovering == hovering) {
             return i;
         }
     }
@@ -355,9 +338,7 @@ bool InputState::shouldCancelPreviousStream(const MotionEntry& motionEntry) cons
         // would receive different events from each display. Since the TouchStates are per-display,
         // it's unlikely that those two streams would be consistent with each other. Therefore,
         // cancel the previous gesture if the display id changes.
-        // Except when we have connected-displays where a mouse may move across display boundaries.
-        const bool skipDisplayCheck = (USE_TOPOLOGY && isMouseOrTouchpad(motionEntry.source));
-        if (!skipDisplayCheck && motionEntry.displayId != lastMemento.displayId) {
+        if (motionEntry.displayId != lastMemento.displayId) {
             LOG(INFO) << "Canceling stream: last displayId was " << lastMemento.displayId
                       << " and new event is " << motionEntry;
             return true;

services/inputflinger/tests/InputDispatcher_test.cpp

@@ -15185,91 +15185,4 @@ TEST_P(TransferOrDontTransferFixture, MouseAndTouchTransferSimultaneousMultiDevi
 
 INSTANTIATE_TEST_SUITE_P(WithAndWithoutTransfer, TransferOrDontTransferFixture, testing::Bool());
 
-class InputDispatcherConnectedDisplayTest : public InputDispatcherTest {
-    constexpr static int DENSITY_MEDIUM = 160;
-
-    const DisplayTopologyGraph
-            mTopology{.primaryDisplayId = DISPLAY_ID,
-                      .graph = {{DISPLAY_ID,
-                                 {{SECOND_DISPLAY_ID, DisplayTopologyPosition::TOP, 0.0f}}},
-                                {SECOND_DISPLAY_ID,
-                                 {{DISPLAY_ID, DisplayTopologyPosition::BOTTOM, 0.0f}}}},
-                      .displaysDensity = {{DISPLAY_ID, DENSITY_MEDIUM},
-                                          {SECOND_DISPLAY_ID, DENSITY_MEDIUM}}};
-
-protected:
-    sp<FakeWindowHandle> mWindow;
-
-    void SetUp() override {
-        InputDispatcherTest::SetUp();
-        mDispatcher->setDisplayTopology(mTopology);
-        mWindow = sp<FakeWindowHandle>::make(std::make_shared<FakeApplicationHandle>(), mDispatcher,
-                                             "Window", DISPLAY_ID);
-        mWindow->setFrame({0, 0, 100, 100});
-
-        mDispatcher->onWindowInfosChanged({{*mWindow->getInfo()}, {}, 0, 0});
-    }
-};
-
-TEST_F(InputDispatcherConnectedDisplayTest, MultiDisplayMouseGesture) {
-    SCOPED_FLAG_OVERRIDE(connected_displays_cursor, true);
-
-    // pointer-down
-    mDispatcher->notifyMotion(MotionArgsBuilder(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_MOUSE)
-                                      .displayId(DISPLAY_ID)
-                                      .buttonState(AMOTION_EVENT_BUTTON_PRIMARY)
-                                      .pointer(PointerBuilder(0, ToolType::MOUSE).x(60).y(60))
-                                      .build());
-    mWindow->consumeMotionEvent(
-            AllOf(WithMotionAction(ACTION_DOWN), WithDisplayId(DISPLAY_ID), WithRawCoords(60, 60)));
-
-    mDispatcher->notifyMotion(
-            MotionArgsBuilder(AMOTION_EVENT_ACTION_BUTTON_PRESS, AINPUT_SOURCE_MOUSE)
-                    .displayId(DISPLAY_ID)
-                    .buttonState(AMOTION_EVENT_BUTTON_PRIMARY)
-                    .actionButton(AMOTION_EVENT_BUTTON_PRIMARY)
-                    .pointer(PointerBuilder(0, ToolType::MOUSE).x(60).y(60))
-                    .build());
-    mWindow->consumeMotionEvent(AllOf(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_PRESS),
-                                      WithDisplayId(DISPLAY_ID), WithRawCoords(60, 60)));
-
-    // pointer-move
-    mDispatcher->notifyMotion(MotionArgsBuilder(AMOTION_EVENT_ACTION_MOVE, AINPUT_SOURCE_MOUSE)
-                                      .displayId(DISPLAY_ID)
-                                      .buttonState(AMOTION_EVENT_BUTTON_PRIMARY)
-                                      .pointer(PointerBuilder(0, ToolType::MOUSE).x(60).y(60))
-                                      .build());
-    mWindow->consumeMotionEvent(AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
-                                      WithDisplayId(DISPLAY_ID), WithRawCoords(60, 60)));
-
-    // pointer-move with different display
-    // TODO (b/383092013): by default windows will not be topology aware and receive events as it
-    // was in the same display. This behaviour has not been implemented yet.
-    mDispatcher->notifyMotion(MotionArgsBuilder(AMOTION_EVENT_ACTION_MOVE, AINPUT_SOURCE_MOUSE)
-                                      .displayId(SECOND_DISPLAY_ID)
-                                      .buttonState(AMOTION_EVENT_BUTTON_PRIMARY)
-                                      .pointer(PointerBuilder(0, ToolType::MOUSE).x(70).y(70))
-                                      .build());
-    mWindow->consumeMotionEvent(AllOf(WithMotionAction(AMOTION_EVENT_ACTION_MOVE),
-                                      WithDisplayId(SECOND_DISPLAY_ID), WithRawCoords(70, 70)));
-
-    // pointer-up
-    mDispatcher->notifyMotion(
-            MotionArgsBuilder(AMOTION_EVENT_ACTION_BUTTON_RELEASE, AINPUT_SOURCE_MOUSE)
-                    .displayId(SECOND_DISPLAY_ID)
-                    .buttonState(0)
-                    .actionButton(AMOTION_EVENT_BUTTON_PRIMARY)
-                    .pointer(PointerBuilder(0, ToolType::MOUSE).x(70).y(70))
-                    .build());
-    mWindow->consumeMotionEvent(AllOf(WithMotionAction(AMOTION_EVENT_ACTION_BUTTON_RELEASE),
-                                      WithDisplayId(SECOND_DISPLAY_ID), WithRawCoords(70, 70)));
-
-    mDispatcher->notifyMotion(MotionArgsBuilder(AMOTION_EVENT_ACTION_UP, AINPUT_SOURCE_MOUSE)
-                                      .displayId(SECOND_DISPLAY_ID)
-                                      .buttonState(0)
-                                      .pointer(PointerBuilder(0, ToolType::MOUSE).x(70).y(70))
-                                      .build());
-    mWindow->consumeMotionUp(SECOND_DISPLAY_ID);
-}
-
 } // namespace android::inputdispatcher