diff options
Diffstat (limited to 'include/ui/Input.h')
| -rw-r--r-- | include/ui/Input.h | 182 |
1 files changed, 135 insertions, 47 deletions
diff --git a/include/ui/Input.h b/include/ui/Input.h index 2012fcc..b7b5a8d 100644 --- a/include/ui/Input.h +++ b/include/ui/Input.h @@ -28,6 +28,10 @@ #include <utils/RefBase.h> #include <utils/String8.h> +#ifdef HAVE_ANDROID_OS +class SkMatrix; +#endif + /* * Additional private constants not defined in ndk/ui/input.h. */ @@ -79,6 +83,10 @@ struct AInputDevice { namespace android { +#ifdef HAVE_ANDROID_OS +class Parcel; +#endif + /* * Flags that flow alongside events in the input dispatch system to help with certain * policy decisions such as waking from device sleep. @@ -162,15 +170,61 @@ struct InputConfiguration { * Pointer coordinate data. */ struct PointerCoords { - float x; - float y; - float pressure; - float size; - float touchMajor; - float touchMinor; - float toolMajor; - float toolMinor; - float orientation; + static const size_t MAX_AXES = 15; // 15 so that sizeof(PointerCoords) == 16 * 4 == 64 + + // Bitfield of axes that are present in this structure. + uint32_t bits; // 32bits are enough for now, can raise to 64bit when needed + + // Values of axes that are stored in this structure packed in order by axis id + // for each axis that is present in the structure according to 'bits'. + float values[MAX_AXES]; + + inline void clear() { + bits = 0; + } + + inline float getAxisValue(int32_t axis) const { + uint32_t axisBit = 1 << axis; + if (!(bits & axisBit)) { + return 0; + } + uint32_t index = __builtin_popcount(bits & (axisBit - 1)); + return values[index]; + } + + inline void setAxisValue(int32_t axis, float value) { + uint32_t axisBit = 1 << axis; + uint32_t index = __builtin_popcount(bits & (axisBit - 1)); + if (!(bits & axisBit)) { + uint32_t count = __builtin_popcount(bits); + if (count >= MAX_AXES) { + tooManyAxes(axis); + return; + } + bits |= axisBit; + for (uint32_t i = count; i > index; i--) { + values[i] = values[i - 1]; + } + } + values[index] = value; + } + + inline float* editAxisValue(int32_t axis) { + uint32_t axisBit = 1 << axis; + if (!(bits & axisBit)) { + return NULL; + } + uint32_t index = __builtin_popcount(bits & (axisBit - 1)); + return &values[index]; + } + +#ifdef HAVE_ANDROID_OS + status_t readFromParcel(Parcel* parcel); + status_t writeToParcel(Parcel* parcel) const; +#endif + +private: + void tooManyAxes(int axis); }; /* @@ -185,12 +239,13 @@ public: inline int32_t getDeviceId() const { return mDeviceId; } inline int32_t getSource() const { return mSource; } - + + inline void setSource(int32_t source) { mSource = source; } + protected: void initialize(int32_t deviceId, int32_t source); void initialize(const InputEvent& from); -private: int32_t mDeviceId; int32_t mSource; }; @@ -241,7 +296,7 @@ public: nsecs_t eventTime); void initialize(const KeyEvent& from); -private: +protected: int32_t mAction; int32_t mFlags; int32_t mKeyCode; @@ -263,12 +318,18 @@ public: inline int32_t getAction() const { return mAction; } + inline void setAction(int32_t action) { mAction = action; } + inline int32_t getFlags() const { return mFlags; } inline int32_t getEdgeFlags() const { return mEdgeFlags; } + inline void setEdgeFlags(int32_t edgeFlags) { mEdgeFlags = edgeFlags; } + inline int32_t getMetaState() const { return mMetaState; } + inline void setMetaState(int32_t metaState) { mMetaState = metaState; } + inline float getXOffset() const { return mXOffset; } inline float getYOffset() const { return mYOffset; } @@ -285,48 +346,54 @@ public: inline nsecs_t getEventTime() const { return mSampleEventTimes[getHistorySize()]; } + const PointerCoords* getRawPointerCoords(size_t pointerIndex) const; + + float getRawAxisValue(int32_t axis, size_t pointerIndex) const; + inline float getRawX(size_t pointerIndex) const { - return getCurrentPointerCoords(pointerIndex).x; + return getRawAxisValue(AINPUT_MOTION_AXIS_X, pointerIndex); } inline float getRawY(size_t pointerIndex) const { - return getCurrentPointerCoords(pointerIndex).y; + return getRawAxisValue(AINPUT_MOTION_AXIS_Y, pointerIndex); } + float getAxisValue(int32_t axis, size_t pointerIndex) const; + inline float getX(size_t pointerIndex) const { - return getRawX(pointerIndex) + mXOffset; + return getAxisValue(AINPUT_MOTION_AXIS_X, pointerIndex); } inline float getY(size_t pointerIndex) const { - return getRawY(pointerIndex) + mYOffset; + return getAxisValue(AINPUT_MOTION_AXIS_Y, pointerIndex); } inline float getPressure(size_t pointerIndex) const { - return getCurrentPointerCoords(pointerIndex).pressure; + return getAxisValue(AINPUT_MOTION_AXIS_PRESSURE, pointerIndex); } inline float getSize(size_t pointerIndex) const { - return getCurrentPointerCoords(pointerIndex).size; + return getAxisValue(AINPUT_MOTION_AXIS_SIZE, pointerIndex); } inline float getTouchMajor(size_t pointerIndex) const { - return getCurrentPointerCoords(pointerIndex).touchMajor; + return getAxisValue(AINPUT_MOTION_AXIS_TOUCH_MAJOR, pointerIndex); } inline float getTouchMinor(size_t pointerIndex) const { - return getCurrentPointerCoords(pointerIndex).touchMinor; + return getAxisValue(AINPUT_MOTION_AXIS_TOUCH_MINOR, pointerIndex); } inline float getToolMajor(size_t pointerIndex) const { - return getCurrentPointerCoords(pointerIndex).toolMajor; + return getAxisValue(AINPUT_MOTION_AXIS_TOOL_MAJOR, pointerIndex); } inline float getToolMinor(size_t pointerIndex) const { - return getCurrentPointerCoords(pointerIndex).toolMinor; + return getAxisValue(AINPUT_MOTION_AXIS_TOOL_MINOR, pointerIndex); } inline float getOrientation(size_t pointerIndex) const { - return getCurrentPointerCoords(pointerIndex).orientation; + return getAxisValue(AINPUT_MOTION_AXIS_ORIENTATION, pointerIndex); } inline size_t getHistorySize() const { return mSampleEventTimes.size() - 1; } @@ -335,48 +402,67 @@ public: return mSampleEventTimes[historicalIndex]; } + const PointerCoords* getHistoricalRawPointerCoords( + size_t pointerIndex, size_t historicalIndex) const; + + float getHistoricalRawAxisValue(int32_t axis, size_t pointerIndex, + size_t historicalIndex) const; + inline float getHistoricalRawX(size_t pointerIndex, size_t historicalIndex) const { - return getHistoricalPointerCoords(pointerIndex, historicalIndex).x; + return getHistoricalRawAxisValue( + AINPUT_MOTION_AXIS_X, pointerIndex, historicalIndex); } inline float getHistoricalRawY(size_t pointerIndex, size_t historicalIndex) const { - return getHistoricalPointerCoords(pointerIndex, historicalIndex).y; + return getHistoricalRawAxisValue( + AINPUT_MOTION_AXIS_Y, pointerIndex, historicalIndex); } + float getHistoricalAxisValue(int32_t axis, size_t pointerIndex, size_t historicalIndex) const; + inline float getHistoricalX(size_t pointerIndex, size_t historicalIndex) const { - return getHistoricalRawX(pointerIndex, historicalIndex) + mXOffset; + return getHistoricalAxisValue( + AINPUT_MOTION_AXIS_X, pointerIndex, historicalIndex); } inline float getHistoricalY(size_t pointerIndex, size_t historicalIndex) const { - return getHistoricalRawY(pointerIndex, historicalIndex) + mYOffset; + return getHistoricalAxisValue( + AINPUT_MOTION_AXIS_Y, pointerIndex, historicalIndex); } inline float getHistoricalPressure(size_t pointerIndex, size_t historicalIndex) const { - return getHistoricalPointerCoords(pointerIndex, historicalIndex).pressure; + return getHistoricalAxisValue( + AINPUT_MOTION_AXIS_PRESSURE, pointerIndex, historicalIndex); } inline float getHistoricalSize(size_t pointerIndex, size_t historicalIndex) const { - return getHistoricalPointerCoords(pointerIndex, historicalIndex).size; + return getHistoricalAxisValue( + AINPUT_MOTION_AXIS_SIZE, pointerIndex, historicalIndex); } inline float getHistoricalTouchMajor(size_t pointerIndex, size_t historicalIndex) const { - return getHistoricalPointerCoords(pointerIndex, historicalIndex).touchMajor; + return getHistoricalAxisValue( + AINPUT_MOTION_AXIS_TOUCH_MAJOR, pointerIndex, historicalIndex); } inline float getHistoricalTouchMinor(size_t pointerIndex, size_t historicalIndex) const { - return getHistoricalPointerCoords(pointerIndex, historicalIndex).touchMinor; + return getHistoricalAxisValue( + AINPUT_MOTION_AXIS_TOUCH_MINOR, pointerIndex, historicalIndex); } inline float getHistoricalToolMajor(size_t pointerIndex, size_t historicalIndex) const { - return getHistoricalPointerCoords(pointerIndex, historicalIndex).toolMajor; + return getHistoricalAxisValue( + AINPUT_MOTION_AXIS_TOOL_MAJOR, pointerIndex, historicalIndex); } inline float getHistoricalToolMinor(size_t pointerIndex, size_t historicalIndex) const { - return getHistoricalPointerCoords(pointerIndex, historicalIndex).toolMinor; + return getHistoricalAxisValue( + AINPUT_MOTION_AXIS_TOOL_MINOR, pointerIndex, historicalIndex); } inline float getHistoricalOrientation(size_t pointerIndex, size_t historicalIndex) const { - return getHistoricalPointerCoords(pointerIndex, historicalIndex).orientation; + return getHistoricalAxisValue( + AINPUT_MOTION_AXIS_ORIENTATION, pointerIndex, historicalIndex); } void initialize( @@ -396,12 +482,23 @@ public: const int32_t* pointerIds, const PointerCoords* pointerCoords); + void copyFrom(const MotionEvent* other, bool keepHistory); + void addSample( nsecs_t eventTime, const PointerCoords* pointerCoords); void offsetLocation(float xOffset, float yOffset); + void scale(float scaleFactor); + +#ifdef HAVE_ANDROID_OS + void transform(const SkMatrix* matrix); + + status_t readFromParcel(Parcel* parcel); + status_t writeToParcel(Parcel* parcel) const; +#endif + // Low-level accessors. inline const int32_t* getPointerIds() const { return mPointerIds.array(); } inline const nsecs_t* getSampleEventTimes() const { return mSampleEventTimes.array(); } @@ -409,7 +506,7 @@ public: return mSamplePointerCoords.array(); } -private: +protected: int32_t mAction; int32_t mFlags; int32_t mEdgeFlags; @@ -422,15 +519,6 @@ private: Vector<int32_t> mPointerIds; Vector<nsecs_t> mSampleEventTimes; Vector<PointerCoords> mSamplePointerCoords; - - inline const PointerCoords& getCurrentPointerCoords(size_t pointerIndex) const { - return mSamplePointerCoords[getHistorySize() * getPointerCount() + pointerIndex]; - } - - inline const PointerCoords& getHistoricalPointerCoords( - size_t pointerIndex, size_t historicalIndex) const { - return mSamplePointerCoords[historicalIndex * getPointerCount() + pointerIndex]; - } }; /* @@ -486,11 +574,11 @@ public: inline const String8 getName() const { return mName; } inline uint32_t getSources() const { return mSources; } - const MotionRange* getMotionRange(int32_t rangeType) const; + const MotionRange* getMotionRange(int32_t axis) const; void addSource(uint32_t source); - void addMotionRange(int32_t rangeType, float min, float max, float flat, float fuzz); - void addMotionRange(int32_t rangeType, const MotionRange& range); + void addMotionRange(int32_t axis, float min, float max, float flat, float fuzz); + void addMotionRange(int32_t axis, const MotionRange& range); inline void setKeyboardType(int32_t keyboardType) { mKeyboardType = keyboardType; } inline int32_t getKeyboardType() const { return mKeyboardType; } |