Move PointerController enums to enum classes.

Bug: 160010896
Test: atest PointerController_test, compile
Change-Id: Ie5ba68a5082fff6ccc85ab01ff49344b73d0bb1b
Merged-In: Ie5ba68a5082fff6ccc85ab01ff49344b73d0bb1b
diff --git a/services/inputflinger/include/PointerControllerInterface.h b/services/inputflinger/include/PointerControllerInterface.h
index bffff88..85d7247 100644
--- a/services/inputflinger/include/PointerControllerInterface.h
+++ b/services/inputflinger/include/PointerControllerInterface.h
@@ -59,11 +59,11 @@
     /* Gets the absolute location of the pointer. */
     virtual void getPosition(float* outX, float* outY) const = 0;
 
-    enum Transition {
+    enum class Transition {
         // Fade/unfade immediately.
-        TRANSITION_IMMEDIATE,
+        IMMEDIATE,
         // Fade/unfade gradually.
-        TRANSITION_GRADUAL,
+        GRADUAL,
     };
 
     /* Fades the pointer out now. */
@@ -75,11 +75,11 @@
      * wants to ensure that the pointer becomes visible again. */
     virtual void unfade(Transition transition) = 0;
 
-    enum Presentation {
+    enum class Presentation {
         // Show the mouse pointer.
-        PRESENTATION_POINTER,
+        POINTER,
         // Show spots and a spot anchor in place of the mouse pointer.
-        PRESENTATION_SPOT,
+        SPOT,
     };
 
     /* Sets the mode of the pointer controller. */
diff --git a/services/inputflinger/reader/mapper/CursorInputMapper.cpp b/services/inputflinger/reader/mapper/CursorInputMapper.cpp
index 2395177..da837a5 100644
--- a/services/inputflinger/reader/mapper/CursorInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/CursorInputMapper.cpp
@@ -20,6 +20,7 @@
 
 #include "CursorButtonAccumulator.h"
 #include "CursorScrollAccumulator.h"
+#include "PointerControllerInterface.h"
 #include "TouchCursorInputMapperCommon.h"
 
 namespace android {
@@ -153,7 +154,7 @@
                 mParameters.mode = Parameters::MODE_POINTER_RELATIVE;
                 mSource = AINPUT_SOURCE_MOUSE_RELATIVE;
                 // Keep PointerController around in order to preserve the pointer position.
-                mPointerController->fade(PointerControllerInterface::TRANSITION_IMMEDIATE);
+                mPointerController->fade(PointerControllerInterface::Transition::IMMEDIATE);
             } else {
                 ALOGE("Cannot request pointer capture, device is not in MODE_POINTER");
             }
@@ -335,7 +336,7 @@
     int32_t displayId;
     if (mSource == AINPUT_SOURCE_MOUSE) {
         if (moved || scrolled || buttonsChanged) {
-            mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER);
+            mPointerController->setPresentation(PointerControllerInterface::Presentation::POINTER);
 
             if (moved) {
                 mPointerController->move(deltaX, deltaY);
@@ -345,7 +346,7 @@
                 mPointerController->setButtonState(currentButtonState);
             }
 
-            mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
+            mPointerController->unfade(PointerControllerInterface::Transition::IMMEDIATE);
         }
 
         float x, y;
@@ -480,7 +481,7 @@
 
 void CursorInputMapper::fadePointer() {
     if (mPointerController != nullptr) {
-        mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+        mPointerController->fade(PointerControllerInterface::Transition::GRADUAL);
     }
 }
 
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index b1385aa..97cbad2 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -1394,7 +1394,7 @@
     resetExternalStylus();
 
     if (mPointerController != nullptr) {
-        mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+        mPointerController->fade(PointerControllerInterface::Transition::GRADUAL);
         mPointerController->clearSpots();
     }
 
@@ -1614,8 +1614,8 @@
     } else {
         if (mDeviceMode == DEVICE_MODE_DIRECT && mConfig.showTouches &&
             mPointerController != nullptr) {
-            mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_SPOT);
-            mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+            mPointerController->setPresentation(PointerControllerInterface::Presentation::SPOT);
+            mPointerController->fade(PointerControllerInterface::Transition::GRADUAL);
 
             mPointerController->setButtonState(mCurrentRawState.buttonState);
             mPointerController->setSpots(mCurrentCookedState.cookedPointerData.pointerCoords,
@@ -2366,7 +2366,7 @@
 
     // Update the pointer presentation and spots.
     if (mParameters.gestureMode == Parameters::GESTURE_MODE_MULTI_TOUCH) {
-        mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER);
+        mPointerController->setPresentation(PointerControllerInterface::Presentation::POINTER);
         if (finishPreviousGesture || cancelPreviousGesture) {
             mPointerController->clearSpots();
         }
@@ -2378,7 +2378,7 @@
                                          mPointerController->getDisplayId());
         }
     } else {
-        mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER);
+        mPointerController->setPresentation(PointerControllerInterface::Presentation::POINTER);
     }
 
     // Show or hide the pointer if needed.
@@ -2388,7 +2388,7 @@
             if (mParameters.gestureMode == Parameters::GESTURE_MODE_MULTI_TOUCH &&
                 mPointerGesture.lastGestureMode == PointerGesture::FREEFORM) {
                 // Remind the user of where the pointer is after finishing a gesture with spots.
-                mPointerController->unfade(PointerControllerInterface::TRANSITION_GRADUAL);
+                mPointerController->unfade(PointerControllerInterface::Transition::GRADUAL);
             }
             break;
         case PointerGesture::TAP:
@@ -2399,15 +2399,15 @@
         case PointerGesture::SWIPE:
             // Unfade the pointer when the current gesture manipulates the
             // area directly under the pointer.
-            mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
+            mPointerController->unfade(PointerControllerInterface::Transition::IMMEDIATE);
             break;
         case PointerGesture::FREEFORM:
             // Fade the pointer when the current gesture manipulates a different
             // area and there are spots to guide the user experience.
             if (mParameters.gestureMode == Parameters::GESTURE_MODE_MULTI_TOUCH) {
-                mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+                mPointerController->fade(PointerControllerInterface::Transition::GRADUAL);
             } else {
-                mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
+                mPointerController->unfade(PointerControllerInterface::Transition::IMMEDIATE);
             }
             break;
     }
@@ -2578,7 +2578,7 @@
 
     // Remove any current spots.
     if (mPointerController != nullptr) {
-        mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+        mPointerController->fade(PointerControllerInterface::Transition::GRADUAL);
         mPointerController->clearSpots();
     }
 }
@@ -3438,12 +3438,12 @@
 
     if (mPointerController != nullptr) {
         if (down || hovering) {
-            mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER);
+            mPointerController->setPresentation(PointerControllerInterface::Presentation::POINTER);
             mPointerController->clearSpots();
             mPointerController->setButtonState(mCurrentRawState.buttonState);
-            mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE);
+            mPointerController->unfade(PointerControllerInterface::Transition::IMMEDIATE);
         } else if (!down && !hovering && (mPointerSimple.down || mPointerSimple.hovering)) {
-            mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+            mPointerController->fade(PointerControllerInterface::Transition::GRADUAL);
         }
         displayId = mPointerController->getDisplayId();
     }
@@ -3652,7 +3652,7 @@
 
 void TouchInputMapper::fadePointer() {
     if (mPointerController != nullptr) {
-        mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+        mPointerController->fade(PointerControllerInterface::Transition::GRADUAL);
     }
 }