diff --git a/services/inputflinger/PointerControllerInterface.h b/services/inputflinger/PointerControllerInterface.h
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+++ b/services/inputflinger/PointerControllerInterface.h
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+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _INPUTFLINGER_POINTER_CONTROLLER_INTERFACE_H
+#define _INPUTFLINGER_POINTER_CONTROLLER_INTERFACE_H
+
+#include <input/Input.h>
+#include <utils/BitSet.h>
+#include <utils/RefBase.h>
+
+namespace android {
+
+/**
+ * Interface for tracking a mouse / touch pad pointer and touch pad spots.
+ *
+ * The spots are sprites on screen that visually represent the positions of
+ * fingers
+ *
+ * The pointer controller is responsible for providing synchronization and for tracking
+ * display orientation changes if needed.
+ */
+class PointerControllerInterface : public virtual RefBase {
+protected:
+    PointerControllerInterface() { }
+    virtual ~PointerControllerInterface() { }
+
+public:
+    /* Gets the bounds of the region that the pointer can traverse.
+     * Returns true if the bounds are available. */
+    virtual bool getBounds(float* outMinX, float* outMinY,
+            float* outMaxX, float* outMaxY) const = 0;
+
+    /* Move the pointer. */
+    virtual void move(float deltaX, float deltaY) = 0;
+
+    /* Sets a mask that indicates which buttons are pressed. */
+    virtual void setButtonState(int32_t buttonState) = 0;
+
+    /* Gets a mask that indicates which buttons are pressed. */
+    virtual int32_t getButtonState() const = 0;
+
+    /* Sets the absolute location of the pointer. */
+    virtual void setPosition(float x, float y) = 0;
+
+    /* Gets the absolute location of the pointer. */
+    virtual void getPosition(float* outX, float* outY) const = 0;
+
+    enum Transition {
+        // Fade/unfade immediately.
+        TRANSITION_IMMEDIATE,
+        // Fade/unfade gradually.
+        TRANSITION_GRADUAL,
+    };
+
+    /* Fades the pointer out now. */
+    virtual void fade(Transition transition) = 0;
+
+    /* Makes the pointer visible if it has faded out.
+     * The pointer never unfades itself automatically.  This method must be called
+     * by the client whenever the pointer is moved or a button is pressed and it
+     * wants to ensure that the pointer becomes visible again. */
+    virtual void unfade(Transition transition) = 0;
+
+    enum Presentation {
+        // Show the mouse pointer.
+        PRESENTATION_POINTER,
+        // Show spots and a spot anchor in place of the mouse pointer.
+        PRESENTATION_SPOT,
+    };
+
+    /* Sets the mode of the pointer controller. */
+    virtual void setPresentation(Presentation presentation) = 0;
+
+    /* Sets the spots for the current gesture.
+     * The spots are not subject to the inactivity timeout like the pointer
+     * itself it since they are expected to remain visible for so long as
+     * the fingers are on the touch pad.
+     *
+     * The values of the AMOTION_EVENT_AXIS_PRESSURE axis is significant.
+     * For spotCoords, pressure != 0 indicates that the spot's location is being
+     * pressed (not hovering).
+     */
+    virtual void setSpots(const PointerCoords* spotCoords, const uint32_t* spotIdToIndex,
+            BitSet32 spotIdBits) = 0;
+
+    /* Removes all spots. */
+    virtual void clearSpots() = 0;
+};
+
+} // namespace android
+
+#endif // _INPUTFLINGER_POINTER_CONTROLLER_INTERFACE_H