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-rw-r--r--libs/input/PointerController.h79
1 files changed, 78 insertions, 1 deletions
diff --git a/libs/input/PointerController.h b/libs/input/PointerController.h
index b9e4ce7..790c0bb 100644
--- a/libs/input/PointerController.h
+++ b/libs/input/PointerController.h
@@ -21,7 +21,6 @@
#include <ui/DisplayInfo.h>
#include <input/Input.h>
-#include <inputflinger/PointerControllerInterface.h>
#include <utils/BitSet.h>
#include <utils/RefBase.h>
#include <utils/Looper.h>
@@ -31,6 +30,84 @@
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;
+};
+
+
/*
* Pointer resources.
*/