Move PointerController from sp to shared_ptr

Bug: 160010896
Test: atest PointerController_test, atest InputReader_test, manual usage
Change-Id: Ic43ab94ca76c736fde0d217efeab99b2afd6f622
diff --git a/services/inputflinger/reader/include/InputReader.h b/services/inputflinger/reader/include/InputReader.h
index 693ec30..108b9c2 100644
--- a/services/inputflinger/reader/include/InputReader.h
+++ b/services/inputflinger/reader/include/InputReader.h
@@ -17,19 +17,20 @@
 #ifndef _UI_INPUTREADER_INPUT_READER_H
 #define _UI_INPUTREADER_INPUT_READER_H
 
+#include <PointerControllerInterface.h>
+#include <utils/Condition.h>
+#include <utils/Mutex.h>
+
+#include <memory>
+#include <unordered_map>
+#include <vector>
+
 #include "EventHub.h"
 #include "InputListener.h"
 #include "InputReaderBase.h"
 #include "InputReaderContext.h"
 #include "InputThread.h"
 
-#include <PointerControllerInterface.h>
-#include <utils/Condition.h>
-#include <utils/Mutex.h>
-
-#include <unordered_map>
-#include <vector>
-
 namespace android {
 
 class InputDevice;
@@ -104,7 +105,8 @@
         virtual void disableVirtualKeysUntil(nsecs_t time) override;
         virtual bool shouldDropVirtualKey(nsecs_t now, int32_t keyCode, int32_t scanCode) override;
         virtual void fadePointer() override;
-        virtual sp<PointerControllerInterface> getPointerController(int32_t deviceId) override;
+        virtual std::shared_ptr<PointerControllerInterface> getPointerController(
+                int32_t deviceId) override;
         virtual void requestTimeoutAtTime(nsecs_t when) override;
         virtual int32_t bumpGeneration() override;
         virtual void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices) override;
@@ -160,8 +162,8 @@
     void dispatchExternalStylusState(const StylusState& state);
 
     // The PointerController that is shared among all the input devices that need it.
-    wp<PointerControllerInterface> mPointerController;
-    sp<PointerControllerInterface> getPointerControllerLocked(int32_t deviceId);
+    std::weak_ptr<PointerControllerInterface> mPointerController;
+    std::shared_ptr<PointerControllerInterface> getPointerControllerLocked(int32_t deviceId);
     void updatePointerDisplayLocked();
     void fadePointerLocked();