diff --git a/services/inputflinger/dispatcher/CancelationOptions.h b/services/inputflinger/dispatcher/CancelationOptions.h
index d210e9e..512cb6e 100644
--- a/services/inputflinger/dispatcher/CancelationOptions.h
+++ b/services/inputflinger/dispatcher/CancelationOptions.h
@@ -24,7 +24,7 @@
 
 /* Specifies which events are to be canceled and why. */
 struct CancelationOptions {
-    enum Mode {
+    enum class Mode {
         CANCEL_ALL_EVENTS = 0,
         CANCEL_POINTER_EVENTS = 1,
         CANCEL_NON_POINTER_EVENTS = 2,
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index de0c0e4..6abd93f 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -1169,17 +1169,18 @@
 
     switch (entry.type) {
         case EventEntry::Type::KEY: {
-            CancelationOptions options(CancelationOptions::CANCEL_NON_POINTER_EVENTS, reason);
+            CancelationOptions options(CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS, reason);
             synthesizeCancelationEventsForAllConnectionsLocked(options);
             break;
         }
         case EventEntry::Type::MOTION: {
             const MotionEntry& motionEntry = static_cast<const MotionEntry&>(entry);
             if (motionEntry.source & AINPUT_SOURCE_CLASS_POINTER) {
-                CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS, reason);
+                CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS, reason);
                 synthesizeCancelationEventsForAllConnectionsLocked(options);
             } else {
-                CancelationOptions options(CancelationOptions::CANCEL_NON_POINTER_EVENTS, reason);
+                CancelationOptions options(CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS,
+                                           reason);
                 synthesizeCancelationEventsForAllConnectionsLocked(options);
             }
             break;
@@ -1334,7 +1335,7 @@
         resetKeyRepeatLocked();
     }
 
-    CancelationOptions options(CancelationOptions::CANCEL_ALL_EVENTS, "device was reset");
+    CancelationOptions options(CancelationOptions::Mode::CANCEL_ALL_EVENTS, "device was reset");
     options.deviceId = entry.deviceId;
     synthesizeCancelationEventsForAllConnectionsLocked(options);
     return true;
@@ -1723,9 +1724,9 @@
         return true;
     }
     if (injectionResult != InputEventInjectionResult::SUCCEEDED) {
-        CancelationOptions::Mode mode(isPointerEvent
-                                              ? CancelationOptions::CANCEL_POINTER_EVENTS
-                                              : CancelationOptions::CANCEL_NON_POINTER_EVENTS);
+        CancelationOptions::Mode mode(
+                isPointerEvent ? CancelationOptions::Mode::CANCEL_POINTER_EVENTS
+                               : CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS);
         CancelationOptions options(mode, "input event injection failed");
         synthesizeCancelationEventsForMonitorsLocked(options);
         return true;
@@ -1736,7 +1737,7 @@
 
     // Dispatch the motion.
     if (conflictingPointerActions) {
-        CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+        CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
                                    "conflicting pointer actions");
         synthesizeCancelationEventsForAllConnectionsLocked(options);
     }
@@ -1837,7 +1838,7 @@
     ALOGW("Canceling events for %s because it is unresponsive",
           connection->inputChannel->getName().c_str());
     if (connection->status == Connection::Status::NORMAL) {
-        CancelationOptions options(CancelationOptions::CANCEL_ALL_EVENTS,
+        CancelationOptions options(CancelationOptions::Mode::CANCEL_ALL_EVENTS,
                                    "application not responding");
         synthesizeCancelationEventsForConnectionLocked(connection, options);
     }
@@ -4826,7 +4827,7 @@
                 std::shared_ptr<InputChannel> touchedInputChannel =
                         getInputChannelLocked(touchedWindow.windowHandle->getToken());
                 if (touchedInputChannel != nullptr) {
-                    CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+                    CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
                                                "touched window was removed");
                     synthesizeCancelationEventsForInputChannelLocked(touchedInputChannel, options);
                     // Since we are about to drop the touch, cancel the events for the wallpaper as
@@ -4872,7 +4873,7 @@
             std::shared_ptr<InputChannel> inputChannel =
                     getInputChannelLocked(newWindowHandle->getToken());
             if (inputChannel != nullptr) {
-                CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+                CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
                                            "touched window's orientation changed");
                 synthesizeCancelationEventsForInputChannelLocked(inputChannel, options);
             }
@@ -4953,7 +4954,7 @@
                         getInputChannelLocked(oldFocusedWindowToken);
                 if (inputChannel != nullptr) {
                     CancelationOptions
-                            options(CancelationOptions::CANCEL_NON_POINTER_EVENTS,
+                            options(CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS,
                                     "The display which contains this window no longer has focus.");
                     options.displayId = ADISPLAY_ID_NONE;
                     synthesizeCancelationEventsForInputChannelLocked(inputChannel, options);
@@ -5180,7 +5181,7 @@
         if (fromConnection != nullptr && toConnection != nullptr) {
             fromConnection->inputState.mergePointerStateTo(toConnection->inputState);
             CancelationOptions
-                    options(CancelationOptions::CANCEL_POINTER_EVENTS,
+                    options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
                             "transferring touch focus from this window to another window");
             synthesizeCancelationEventsForConnectionLocked(fromConnection, options);
             synthesizePointerDownEventsForConnectionLocked(downTimeInTarget, toConnection);
@@ -5254,7 +5255,7 @@
         ALOGD("Resetting and dropping all events (%s).", reason);
     }
 
-    CancelationOptions options(CancelationOptions::CANCEL_ALL_EVENTS, reason);
+    CancelationOptions options(CancelationOptions::Mode::CANCEL_ALL_EVENTS, reason);
     synthesizeCancelationEventsForAllConnectionsLocked(options);
 
     resetKeyRepeatLocked();
@@ -5679,7 +5680,7 @@
     TouchState& state = *statePtr;
     TouchedWindow& window = *windowPtr;
     // Send cancel events to all the input channels we're stealing from.
-    CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+    CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
                                "input channel stole pointer stream");
     options.deviceId = state.deviceId;
     options.displayId = displayId;
@@ -6079,7 +6080,7 @@
 
             // Cancel the fallback key.
             if (fallbackKeyCode != AKEYCODE_UNKNOWN) {
-                CancelationOptions options(CancelationOptions::CANCEL_FALLBACK_EVENTS,
+                CancelationOptions options(CancelationOptions::Mode::CANCEL_FALLBACK_EVENTS,
                                            "application handled the original non-fallback key "
                                            "or is no longer a foreground target, "
                                            "canceling previously dispatched fallback key");
@@ -6156,7 +6157,7 @@
                 }
             }
 
-            CancelationOptions options(CancelationOptions::CANCEL_FALLBACK_EVENTS,
+            CancelationOptions options(CancelationOptions::Mode::CANCEL_FALLBACK_EVENTS,
                                        "canceling fallback, policy no longer desires it");
             options.keyCode = fallbackKeyCode;
             synthesizeCancelationEventsForConnectionLocked(connection, options);
@@ -6309,7 +6310,7 @@
     if (changes.oldFocus) {
         std::shared_ptr<InputChannel> focusedInputChannel = getInputChannelLocked(changes.oldFocus);
         if (focusedInputChannel) {
-            CancelationOptions options(CancelationOptions::CANCEL_NON_POINTER_EVENTS,
+            CancelationOptions options(CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS,
                                        "focus left window");
             synthesizeCancelationEventsForInputChannelLocked(focusedInputChannel, options);
             enqueueFocusEventLocked(changes.oldFocus, false /*hasFocus*/, changes.reason);
@@ -6449,7 +6450,7 @@
     {
         std::scoped_lock _l(mLock);
         ALOGD("Canceling all ongoing pointer gestures on all displays.");
-        CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+        CancelationOptions options(CancelationOptions::Mode::CANCEL_POINTER_EVENTS,
                                    "cancel current touch");
         synthesizeCancelationEventsForAllConnectionsLocked(options);
 
diff --git a/services/inputflinger/dispatcher/InputState.cpp b/services/inputflinger/dispatcher/InputState.cpp
index 047c628..563868d 100644
--- a/services/inputflinger/dispatcher/InputState.cpp
+++ b/services/inputflinger/dispatcher/InputState.cpp
@@ -500,10 +500,10 @@
     }
 
     switch (options.mode) {
-        case CancelationOptions::CANCEL_ALL_EVENTS:
-        case CancelationOptions::CANCEL_NON_POINTER_EVENTS:
+        case CancelationOptions::Mode::CANCEL_ALL_EVENTS:
+        case CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS:
             return true;
-        case CancelationOptions::CANCEL_FALLBACK_EVENTS:
+        case CancelationOptions::Mode::CANCEL_FALLBACK_EVENTS:
             return memento.flags & AKEY_EVENT_FLAG_FALLBACK;
         default:
             return false;
@@ -521,11 +521,11 @@
     }
 
     switch (options.mode) {
-        case CancelationOptions::CANCEL_ALL_EVENTS:
+        case CancelationOptions::Mode::CANCEL_ALL_EVENTS:
             return true;
-        case CancelationOptions::CANCEL_POINTER_EVENTS:
+        case CancelationOptions::Mode::CANCEL_POINTER_EVENTS:
             return memento.source & AINPUT_SOURCE_CLASS_POINTER;
-        case CancelationOptions::CANCEL_NON_POINTER_EVENTS:
+        case CancelationOptions::Mode::CANCEL_NON_POINTER_EVENTS:
             return !(memento.source & AINPUT_SOURCE_CLASS_POINTER);
         default:
             return false;