Pointer icon refactor for mouse (base)

When PointerChoreographer is enabled, CursorInputMapper no longer
depends on the legacy PointerController. PointerChoreographer is
responsible for accumulating movements, fading/unfading pointers,
and deciding display/coordinates.

Test: atest libinputservice_test
Bug: 293587049

Change-Id: Ie35b385a99623bbcb2e47b394b7cf2c0f7c5bc0e
diff --git a/libs/input/PointerController.cpp b/libs/input/PointerController.cpp
index abd9284..576ebc1 100644
--- a/libs/input/PointerController.cpp
+++ b/libs/input/PointerController.cpp
@@ -24,6 +24,7 @@
 #include <SkColor.h>
 #include <android-base/stringprintf.h>
 #include <android-base/thread_annotations.h>
+#include <com_android_input_flags.h>
 #include <ftl/enum.h>
 
 #include <mutex>
@@ -34,6 +35,8 @@
 #define INDENT2 "    "
 #define INDENT3 "      "
 
+namespace input_flags = com::android::input::flags;
+
 namespace android {
 
 namespace {
@@ -63,10 +66,20 @@
 
 std::shared_ptr<PointerController> PointerController::create(
         const sp<PointerControllerPolicyInterface>& policy, const sp<Looper>& looper,
-        SpriteController& spriteController, bool enabled) {
+        SpriteController& spriteController, bool enabled, ControllerType type) {
     // using 'new' to access non-public constructor
-    std::shared_ptr<PointerController> controller = std::shared_ptr<PointerController>(
-            new PointerController(policy, looper, spriteController, enabled));
+    std::shared_ptr<PointerController> controller;
+    switch (type) {
+        case ControllerType::MOUSE:
+            controller = std::shared_ptr<PointerController>(
+                    new MousePointerController(policy, looper, spriteController, enabled));
+            break;
+        case ControllerType::LEGACY:
+        default:
+            controller = std::shared_ptr<PointerController>(
+                    new PointerController(policy, looper, spriteController, enabled));
+            break;
+    }
 
     /*
      * Now we need to hook up the constructed PointerController object to its callbacks.
@@ -375,4 +388,13 @@
     return dump;
 }
 
+// --- MousePointerController ---
+
+MousePointerController::MousePointerController(const sp<PointerControllerPolicyInterface>& policy,
+                                               const sp<Looper>& looper,
+                                               SpriteController& spriteController, bool enabled)
+      : PointerController(policy, looper, spriteController, enabled) {
+    PointerController::setPresentation(Presentation::POINTER);
+}
+
 } // namespace android
diff --git a/libs/input/PointerController.h b/libs/input/PointerController.h
index aa7ca3c..08e19a0 100644
--- a/libs/input/PointerController.h
+++ b/libs/input/PointerController.h
@@ -47,7 +47,8 @@
 public:
     static std::shared_ptr<PointerController> create(
             const sp<PointerControllerPolicyInterface>& policy, const sp<Looper>& looper,
-            SpriteController& spriteController, bool enabled);
+            SpriteController& spriteController, bool enabled,
+            ControllerType type = ControllerType::LEGACY);
 
     ~PointerController() override;
 
@@ -75,7 +76,7 @@
     void onDisplayInfosChangedLocked(const std::vector<gui::DisplayInfo>& displayInfos)
             REQUIRES(getLock());
 
-    std::string dump();
+    std::string dump() override;
 
 protected:
     using WindowListenerConsumer =
@@ -87,10 +88,10 @@
                       WindowListenerConsumer registerListener,
                       WindowListenerConsumer unregisterListener);
 
-private:
     PointerController(const sp<PointerControllerPolicyInterface>& policy, const sp<Looper>& looper,
                       SpriteController& spriteController, bool enabled);
 
+private:
     friend PointerControllerContext::LooperCallback;
     friend PointerControllerContext::MessageHandler;
 
@@ -135,6 +136,24 @@
     void clearSpotsLocked() REQUIRES(getLock());
 };
 
+class MousePointerController : public PointerController {
+public:
+    /** A version of PointerController that controls one mouse pointer. */
+    MousePointerController(const sp<PointerControllerPolicyInterface>& policy,
+                           const sp<Looper>& looper, SpriteController& spriteController,
+                           bool enabled);
+
+    void setPresentation(Presentation) override {
+        LOG_ALWAYS_FATAL("Should not be called");
+    }
+    void setSpots(const PointerCoords*, const uint32_t*, BitSet32, int32_t) override {
+        LOG_ALWAYS_FATAL("Should not be called");
+    }
+    void clearSpots() override {
+        LOG_ALWAYS_FATAL("Should not be called");
+    }
+};
+
 } // namespace android
 
 #endif // _UI_POINTER_CONTROLLER_H