| /* |
| * Copyright (C) 2019 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. |
| */ |
| |
| #pragma once |
| |
| #include <optional> |
| #include <string> |
| |
| #include <stdint.h> |
| #include <ui/Rotation.h> |
| |
| #include "CursorButtonAccumulator.h" |
| #include "CursorScrollAccumulator.h" |
| #include "EventHub.h" |
| #include "InputMapper.h" |
| #include "InputReaderBase.h" |
| #include "TouchButtonAccumulator.h" |
| |
| namespace android { |
| |
| // Maximum amount of latency to add to touch events while waiting for data from an |
| // external stylus. |
| static constexpr nsecs_t EXTERNAL_STYLUS_DATA_TIMEOUT = ms2ns(72); |
| |
| // Maximum amount of time to wait on touch data before pushing out new pressure data. |
| static constexpr nsecs_t TOUCH_DATA_TIMEOUT = ms2ns(20); |
| |
| /* Raw axis information from the driver. */ |
| struct RawPointerAxes { |
| RawAbsoluteAxisInfo x{}; |
| RawAbsoluteAxisInfo y{}; |
| RawAbsoluteAxisInfo pressure{}; |
| RawAbsoluteAxisInfo touchMajor{}; |
| RawAbsoluteAxisInfo touchMinor{}; |
| RawAbsoluteAxisInfo toolMajor{}; |
| RawAbsoluteAxisInfo toolMinor{}; |
| RawAbsoluteAxisInfo orientation{}; |
| RawAbsoluteAxisInfo distance{}; |
| RawAbsoluteAxisInfo tiltX{}; |
| RawAbsoluteAxisInfo tiltY{}; |
| RawAbsoluteAxisInfo trackingId{}; |
| RawAbsoluteAxisInfo slot{}; |
| |
| inline int32_t getRawWidth() const { return x.maxValue - x.minValue + 1; } |
| inline int32_t getRawHeight() const { return y.maxValue - y.minValue + 1; } |
| inline void clear() { *this = RawPointerAxes(); } |
| }; |
| |
| using PropertiesArray = std::array<PointerProperties, MAX_POINTERS>; |
| using CoordsArray = std::array<PointerCoords, MAX_POINTERS>; |
| using IdToIndexArray = std::array<uint32_t, MAX_POINTER_ID + 1>; |
| |
| /* Raw data for a collection of pointers including a pointer id mapping table. */ |
| struct RawPointerData { |
| struct Pointer { |
| uint32_t id{0xFFFFFFFF}; |
| int32_t x{}; |
| int32_t y{}; |
| int32_t pressure{}; |
| int32_t touchMajor{}; |
| int32_t touchMinor{}; |
| int32_t toolMajor{}; |
| int32_t toolMinor{}; |
| int32_t orientation{}; |
| int32_t distance{}; |
| int32_t tiltX{}; |
| int32_t tiltY{}; |
| // A fully decoded ToolType constant. |
| ToolType toolType{ToolType::UNKNOWN}; |
| bool isHovering{false}; |
| }; |
| |
| uint32_t pointerCount{}; |
| std::array<Pointer, MAX_POINTERS> pointers{}; |
| BitSet32 hoveringIdBits{}, touchingIdBits{}, canceledIdBits{}; |
| IdToIndexArray idToIndex{}; |
| |
| inline void clear() { *this = RawPointerData(); } |
| |
| void getCentroidOfTouchingPointers(float* outX, float* outY) const; |
| |
| inline void markIdBit(uint32_t id, bool isHovering) { |
| if (isHovering) { |
| hoveringIdBits.markBit(id); |
| } else { |
| touchingIdBits.markBit(id); |
| } |
| } |
| |
| inline void clearIdBits() { |
| hoveringIdBits.clear(); |
| touchingIdBits.clear(); |
| canceledIdBits.clear(); |
| } |
| |
| inline const Pointer& pointerForId(uint32_t id) const { return pointers[idToIndex[id]]; } |
| |
| inline bool isHovering(uint32_t pointerIndex) { return pointers[pointerIndex].isHovering; } |
| }; |
| |
| /* Cooked data for a collection of pointers including a pointer id mapping table. */ |
| struct CookedPointerData { |
| uint32_t pointerCount{}; |
| PropertiesArray pointerProperties{}; |
| CoordsArray pointerCoords{}; |
| BitSet32 hoveringIdBits{}, touchingIdBits{}, canceledIdBits{}, validIdBits{}; |
| IdToIndexArray idToIndex{}; |
| |
| inline void clear() { *this = CookedPointerData(); } |
| |
| inline const PointerCoords& pointerCoordsForId(uint32_t id) const { |
| return pointerCoords[idToIndex[id]]; |
| } |
| |
| inline PointerCoords& editPointerCoordsWithId(uint32_t id) { |
| return pointerCoords[idToIndex[id]]; |
| } |
| |
| inline PointerProperties& editPointerPropertiesWithId(uint32_t id) { |
| return pointerProperties[idToIndex[id]]; |
| } |
| |
| inline bool isHovering(uint32_t pointerIndex) const { |
| return hoveringIdBits.hasBit(pointerProperties[pointerIndex].id); |
| } |
| |
| inline bool isTouching(uint32_t pointerIndex) const { |
| return touchingIdBits.hasBit(pointerProperties[pointerIndex].id); |
| } |
| |
| inline bool hasPointerCoordsForId(uint32_t id) const { return validIdBits.hasBit(id); } |
| }; |
| |
| class TouchInputMapper : public InputMapper { |
| public: |
| explicit TouchInputMapper(InputDeviceContext& deviceContext); |
| ~TouchInputMapper() override; |
| |
| uint32_t getSources() const override; |
| void populateDeviceInfo(InputDeviceInfo& deviceInfo) override; |
| void dump(std::string& dump) override; |
| [[nodiscard]] std::list<NotifyArgs> configure(nsecs_t when, |
| const InputReaderConfiguration* config, |
| uint32_t changes) override; |
| [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override; |
| [[nodiscard]] std::list<NotifyArgs> process(const RawEvent* rawEvent) override; |
| |
| int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode) override; |
| int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) override; |
| bool markSupportedKeyCodes(uint32_t sourceMask, const std::vector<int32_t>& keyCodes, |
| uint8_t* outFlags) override; |
| |
| [[nodiscard]] std::list<NotifyArgs> cancelTouch(nsecs_t when, nsecs_t readTime) override; |
| [[nodiscard]] std::list<NotifyArgs> timeoutExpired(nsecs_t when) override; |
| [[nodiscard]] std::list<NotifyArgs> updateExternalStylusState( |
| const StylusState& state) override; |
| std::optional<int32_t> getAssociatedDisplayId() override; |
| |
| protected: |
| CursorButtonAccumulator mCursorButtonAccumulator; |
| CursorScrollAccumulator mCursorScrollAccumulator; |
| TouchButtonAccumulator mTouchButtonAccumulator; |
| |
| struct VirtualKey { |
| int32_t keyCode; |
| int32_t scanCode; |
| uint32_t flags; |
| |
| // computed hit box, specified in touch screen coords based on known display size |
| int32_t hitLeft; |
| int32_t hitTop; |
| int32_t hitRight; |
| int32_t hitBottom; |
| |
| inline bool isHit(int32_t x, int32_t y) const { |
| return x >= hitLeft && x <= hitRight && y >= hitTop && y <= hitBottom; |
| } |
| }; |
| |
| // Input sources and device mode. |
| uint32_t mSource; |
| |
| enum class DeviceMode { |
| DISABLED, // input is disabled |
| DIRECT, // direct mapping (touchscreen) |
| UNSCALED, // unscaled mapping (touchpad) |
| NAVIGATION, // unscaled mapping with assist gesture (touch navigation) |
| POINTER, // pointer mapping (pointer) |
| |
| ftl_last = POINTER |
| }; |
| DeviceMode mDeviceMode; |
| |
| // The reader's configuration. |
| InputReaderConfiguration mConfig; |
| |
| // Immutable configuration parameters. |
| struct Parameters { |
| enum class DeviceType { |
| TOUCH_SCREEN, |
| TOUCH_NAVIGATION, |
| POINTER, |
| |
| ftl_last = POINTER |
| }; |
| |
| DeviceType deviceType; |
| bool hasAssociatedDisplay; |
| bool associatedDisplayIsExternal; |
| bool orientationAware; |
| |
| ui::Rotation orientation; |
| |
| bool hasButtonUnderPad; |
| std::string uniqueDisplayId; |
| |
| enum class GestureMode { |
| SINGLE_TOUCH, |
| MULTI_TOUCH, |
| |
| ftl_last = MULTI_TOUCH |
| }; |
| GestureMode gestureMode; |
| |
| bool wake; |
| |
| // The Universal Stylus Initiative (USI) protocol version supported by this device. |
| std::optional<InputDeviceUsiVersion> usiVersion; |
| |
| // Allows touches while the display is off. |
| bool enableForInactiveViewport; |
| } mParameters; |
| |
| // Immutable calibration parameters in parsed form. |
| struct Calibration { |
| // Size |
| enum class SizeCalibration { |
| DEFAULT, |
| NONE, |
| GEOMETRIC, |
| DIAMETER, |
| BOX, |
| AREA, |
| ftl_last = AREA |
| }; |
| |
| SizeCalibration sizeCalibration; |
| |
| std::optional<float> sizeScale; |
| std::optional<float> sizeBias; |
| std::optional<bool> sizeIsSummed; |
| |
| // Pressure |
| enum class PressureCalibration { |
| DEFAULT, |
| NONE, |
| PHYSICAL, |
| AMPLITUDE, |
| }; |
| |
| PressureCalibration pressureCalibration; |
| std::optional<float> pressureScale; |
| |
| // Orientation |
| enum class OrientationCalibration { |
| DEFAULT, |
| NONE, |
| INTERPOLATED, |
| VECTOR, |
| }; |
| |
| OrientationCalibration orientationCalibration; |
| |
| // Distance |
| enum class DistanceCalibration { |
| DEFAULT, |
| NONE, |
| SCALED, |
| }; |
| |
| DistanceCalibration distanceCalibration; |
| std::optional<float> distanceScale; |
| |
| inline void applySizeScaleAndBias(float& outSize) const { |
| if (sizeScale) { |
| outSize *= *sizeScale; |
| } |
| if (sizeBias) { |
| outSize += *sizeBias; |
| } |
| if (outSize < 0) { |
| outSize = 0; |
| } |
| } |
| } mCalibration; |
| |
| // Affine location transformation/calibration |
| struct TouchAffineTransformation mAffineTransform; |
| |
| RawPointerAxes mRawPointerAxes; |
| |
| struct RawState { |
| nsecs_t when{std::numeric_limits<nsecs_t>::min()}; |
| nsecs_t readTime{}; |
| |
| // Raw pointer sample data. |
| RawPointerData rawPointerData{}; |
| |
| int32_t buttonState{}; |
| |
| // Scroll state. |
| int32_t rawVScroll{}; |
| int32_t rawHScroll{}; |
| |
| inline void clear() { *this = RawState(); } |
| }; |
| |
| struct CookedState { |
| // Cooked pointer sample data. |
| CookedPointerData cookedPointerData{}; |
| |
| // Id bits used to differentiate fingers, stylus and mouse tools. |
| BitSet32 fingerIdBits{}; |
| BitSet32 stylusIdBits{}; |
| BitSet32 mouseIdBits{}; |
| |
| int32_t buttonState{}; |
| |
| inline void clear() { *this = CookedState(); } |
| }; |
| |
| std::vector<RawState> mRawStatesPending; |
| RawState mCurrentRawState; |
| CookedState mCurrentCookedState; |
| RawState mLastRawState; |
| CookedState mLastCookedState; |
| |
| // State provided by an external stylus |
| StylusState mExternalStylusState; |
| // If an external stylus is capable of reporting pointer-specific data like pressure, we will |
| // attempt to fuse the pointer data reported by the stylus to the first touch pointer. This is |
| // the id of the pointer to which the external stylus data is fused. |
| std::optional<uint32_t> mFusedStylusPointerId; |
| nsecs_t mExternalStylusFusionTimeout; |
| bool mExternalStylusDataPending; |
| // A subset of the buttons in mCurrentRawState that came from an external stylus. |
| int32_t mExternalStylusButtonsApplied; |
| |
| // True if we sent a HOVER_ENTER event. |
| bool mSentHoverEnter; |
| |
| // Have we assigned pointer IDs for this stream |
| bool mHavePointerIds; |
| |
| // Is the current stream of direct touch events aborted |
| bool mCurrentMotionAborted; |
| |
| // The time the primary pointer last went down. |
| nsecs_t mDownTime; |
| |
| // The pointer controller, or null if the device is not a pointer. |
| std::shared_ptr<PointerControllerInterface> mPointerController; |
| |
| std::vector<VirtualKey> mVirtualKeys; |
| |
| virtual void configureParameters(); |
| virtual void dumpParameters(std::string& dump); |
| virtual void configureRawPointerAxes(); |
| virtual void dumpRawPointerAxes(std::string& dump); |
| virtual void configureInputDevice(nsecs_t when, bool* outResetNeeded); |
| virtual void dumpDisplay(std::string& dump); |
| virtual void configureVirtualKeys(); |
| virtual void dumpVirtualKeys(std::string& dump); |
| virtual void parseCalibration(); |
| virtual void resolveCalibration(); |
| virtual void dumpCalibration(std::string& dump); |
| virtual void updateAffineTransformation(); |
| virtual void dumpAffineTransformation(std::string& dump); |
| virtual void resolveExternalStylusPresence(); |
| virtual bool hasStylus() const = 0; |
| virtual bool hasExternalStylus() const; |
| |
| virtual void syncTouch(nsecs_t when, RawState* outState) = 0; |
| |
| private: |
| // The current viewport. |
| // The components of the viewport are specified in the display's rotated orientation. |
| DisplayViewport mViewport; |
| |
| // We refer to the display as being in the "natural orientation" when there is no rotation |
| // applied. The display size obtained from the viewport in the natural orientation. |
| // Always starts at (0, 0). |
| ui::Size mDisplayBounds{ui::kInvalidSize}; |
| |
| // The physical frame is the rectangle in the rotated display's coordinate space that maps to |
| // the logical display frame. |
| Rect mPhysicalFrameInRotatedDisplay{Rect::INVALID_RECT}; |
| |
| // The orientation of the input device relative to that of the display panel. It specifies |
| // the rotation of the input device coordinates required to produce the display panel |
| // orientation, so it will depend on whether the device is orientation aware. |
| ui::Rotation mInputDeviceOrientation; |
| |
| // The transform that maps the input device's raw coordinate space to the un-rotated display's |
| // coordinate space. InputReader generates events in the un-rotated display's coordinate space. |
| ui::Transform mRawToDisplay; |
| |
| // The transform that maps the input device's raw coordinate space to the rotated display's |
| // coordinate space. This used to perform hit-testing of raw events with the physical frame in |
| // the rotated coordinate space. See mPhysicalFrameInRotatedDisplay. |
| ui::Transform mRawToRotatedDisplay; |
| |
| // The transform used for non-planar raw axes, such as orientation and tilt. |
| ui::Transform mRawRotation; |
| |
| float mGeometricScale; |
| |
| float mPressureScale; |
| |
| float mSizeScale; |
| |
| float mOrientationScale; |
| |
| float mDistanceScale; |
| |
| bool mHaveTilt; |
| float mTiltXCenter; |
| float mTiltXScale; |
| float mTiltYCenter; |
| float mTiltYScale; |
| |
| bool mExternalStylusConnected; |
| |
| // Oriented motion ranges for input device info. |
| struct OrientedRanges { |
| InputDeviceInfo::MotionRange x; |
| InputDeviceInfo::MotionRange y; |
| InputDeviceInfo::MotionRange pressure; |
| |
| std::optional<InputDeviceInfo::MotionRange> size; |
| |
| std::optional<InputDeviceInfo::MotionRange> touchMajor; |
| std::optional<InputDeviceInfo::MotionRange> touchMinor; |
| |
| std::optional<InputDeviceInfo::MotionRange> toolMajor; |
| std::optional<InputDeviceInfo::MotionRange> toolMinor; |
| |
| std::optional<InputDeviceInfo::MotionRange> orientation; |
| |
| std::optional<InputDeviceInfo::MotionRange> distance; |
| |
| std::optional<InputDeviceInfo::MotionRange> tilt; |
| |
| void clear() { |
| size = std::nullopt; |
| touchMajor = std::nullopt; |
| touchMinor = std::nullopt; |
| toolMajor = std::nullopt; |
| toolMinor = std::nullopt; |
| orientation = std::nullopt; |
| distance = std::nullopt; |
| tilt = std::nullopt; |
| } |
| } mOrientedRanges; |
| |
| // Oriented dimensions and precision. |
| float mOrientedXPrecision; |
| float mOrientedYPrecision; |
| |
| struct CurrentVirtualKeyState { |
| bool down; |
| bool ignored; |
| nsecs_t downTime; |
| int32_t keyCode; |
| int32_t scanCode; |
| } mCurrentVirtualKey; |
| |
| // Scale factor for gesture or mouse based pointer movements. |
| float mPointerXMovementScale; |
| float mPointerYMovementScale; |
| |
| // Scale factor for gesture based zooming and other freeform motions. |
| float mPointerXZoomScale; |
| float mPointerYZoomScale; |
| |
| // The maximum swipe width between pointers to detect a swipe gesture |
| // in the number of pixels.Touches that are wider than this are translated |
| // into freeform gestures. |
| float mPointerGestureMaxSwipeWidth; |
| |
| struct PointerDistanceHeapElement { |
| uint32_t currentPointerIndex : 8 {}; |
| uint32_t lastPointerIndex : 8 {}; |
| uint64_t distance : 48 {}; // squared distance |
| }; |
| |
| enum class PointerUsage { |
| NONE, |
| GESTURES, |
| STYLUS, |
| MOUSE, |
| }; |
| PointerUsage mPointerUsage; |
| |
| struct PointerGesture { |
| enum class Mode { |
| // No fingers, button is not pressed. |
| // Nothing happening. |
| NEUTRAL, |
| |
| // No fingers, button is not pressed. |
| // Tap detected. |
| // Emits DOWN and UP events at the pointer location. |
| TAP, |
| |
| // Exactly one finger dragging following a tap. |
| // Pointer follows the active finger. |
| // Emits DOWN, MOVE and UP events at the pointer location. |
| // |
| // Detect double-taps when the finger goes up while in TAP_DRAG mode. |
| TAP_DRAG, |
| |
| // Button is pressed. |
| // Pointer follows the active finger if there is one. Other fingers are ignored. |
| // Emits DOWN, MOVE and UP events at the pointer location. |
| BUTTON_CLICK_OR_DRAG, |
| |
| // Exactly one finger, button is not pressed. |
| // Pointer follows the active finger. |
| // Emits HOVER_MOVE events at the pointer location. |
| // |
| // Detect taps when the finger goes up while in HOVER mode. |
| HOVER, |
| |
| // Exactly two fingers but neither have moved enough to clearly indicate |
| // whether a swipe or freeform gesture was intended. We consider the |
| // pointer to be pressed so this enables clicking or long-pressing on buttons. |
| // Pointer does not move. |
| // Emits DOWN, MOVE and UP events with a single stationary pointer coordinate. |
| PRESS, |
| |
| // Exactly two fingers moving in the same direction, button is not pressed. |
| // Pointer does not move. |
| // Emits DOWN, MOVE and UP events with a single pointer coordinate that |
| // follows the midpoint between both fingers. |
| SWIPE, |
| |
| // Two or more fingers moving in arbitrary directions, button is not pressed. |
| // Pointer does not move. |
| // Emits DOWN, POINTER_DOWN, MOVE, POINTER_UP and UP events that follow |
| // each finger individually relative to the initial centroid of the finger. |
| FREEFORM, |
| |
| // Waiting for quiet time to end before starting the next gesture. |
| QUIET, |
| }; |
| |
| // When a gesture is sent to an unfocused window, return true if it can bring that window |
| // into focus, false otherwise. |
| static bool canGestureAffectWindowFocus(Mode mode) { |
| switch (mode) { |
| case Mode::TAP: |
| case Mode::TAP_DRAG: |
| case Mode::BUTTON_CLICK_OR_DRAG: |
| // Taps can affect window focus. |
| return true; |
| case Mode::FREEFORM: |
| case Mode::HOVER: |
| case Mode::NEUTRAL: |
| case Mode::PRESS: |
| case Mode::QUIET: |
| case Mode::SWIPE: |
| // Most gestures can be performed on an unfocused window, so they should not |
| // not affect window focus. |
| return false; |
| } |
| } |
| |
| // Time the first finger went down. |
| nsecs_t firstTouchTime; |
| |
| // The active pointer id from the raw touch data. |
| int32_t activeTouchId; // -1 if none |
| |
| // The active pointer id from the gesture last delivered to the application. |
| int32_t activeGestureId; // -1 if none |
| |
| // Pointer coords and ids for the current and previous pointer gesture. |
| Mode currentGestureMode; |
| BitSet32 currentGestureIdBits; |
| IdToIndexArray currentGestureIdToIndex{}; |
| PropertiesArray currentGestureProperties{}; |
| CoordsArray currentGestureCoords{}; |
| |
| Mode lastGestureMode; |
| BitSet32 lastGestureIdBits; |
| IdToIndexArray lastGestureIdToIndex{}; |
| PropertiesArray lastGestureProperties{}; |
| CoordsArray lastGestureCoords{}; |
| |
| // Time the pointer gesture last went down. |
| nsecs_t downTime; |
| |
| // Time when the pointer went down for a TAP. |
| nsecs_t tapDownTime; |
| |
| // Time when the pointer went up for a TAP. |
| nsecs_t tapUpTime; |
| |
| // Location of initial tap. |
| float tapX, tapY; |
| |
| // Time we started waiting for quiescence. |
| nsecs_t quietTime; |
| |
| // Reference points for multitouch gestures. |
| float referenceTouchX; // reference touch X/Y coordinates in surface units |
| float referenceTouchY; |
| float referenceGestureX; // reference gesture X/Y coordinates in pixels |
| float referenceGestureY; |
| |
| // Distance that each pointer has traveled which has not yet been |
| // subsumed into the reference gesture position. |
| BitSet32 referenceIdBits; |
| struct Delta { |
| float dx, dy; |
| }; |
| Delta referenceDeltas[MAX_POINTER_ID + 1]; |
| |
| // Describes how touch ids are mapped to gesture ids for freeform gestures. |
| uint32_t freeformTouchToGestureIdMap[MAX_POINTER_ID + 1]; |
| |
| // A velocity tracker for determining whether to switch active pointers during drags. |
| VelocityTracker velocityTracker; |
| |
| void reset() { |
| firstTouchTime = LLONG_MIN; |
| activeTouchId = -1; |
| activeGestureId = -1; |
| currentGestureMode = Mode::NEUTRAL; |
| currentGestureIdBits.clear(); |
| lastGestureMode = Mode::NEUTRAL; |
| lastGestureIdBits.clear(); |
| downTime = 0; |
| velocityTracker.clear(); |
| resetTap(); |
| resetQuietTime(); |
| } |
| |
| void resetTap() { |
| tapDownTime = LLONG_MIN; |
| tapUpTime = LLONG_MIN; |
| } |
| |
| void resetQuietTime() { quietTime = LLONG_MIN; } |
| } mPointerGesture; |
| |
| struct PointerSimple { |
| PointerCoords currentCoords; |
| PointerProperties currentProperties; |
| PointerCoords lastCoords; |
| PointerProperties lastProperties; |
| |
| // True if the pointer is down. |
| bool down; |
| |
| // True if the pointer is hovering. |
| bool hovering; |
| |
| // Time the pointer last went down. |
| nsecs_t downTime; |
| |
| // Values reported for the last pointer event. |
| uint32_t source; |
| int32_t displayId; |
| float lastCursorX; |
| float lastCursorY; |
| |
| void reset() { |
| currentCoords.clear(); |
| currentProperties.clear(); |
| lastCoords.clear(); |
| lastProperties.clear(); |
| down = false; |
| hovering = false; |
| downTime = 0; |
| source = 0; |
| displayId = ADISPLAY_ID_NONE; |
| lastCursorX = 0.f; |
| lastCursorY = 0.f; |
| } |
| } mPointerSimple; |
| |
| // The pointer and scroll velocity controls. |
| VelocityControl mPointerVelocityControl; |
| VelocityControl mWheelXVelocityControl; |
| VelocityControl mWheelYVelocityControl; |
| |
| std::optional<DisplayViewport> findViewport(); |
| |
| void resetExternalStylus(); |
| void clearStylusDataPendingFlags(); |
| |
| int32_t clampResolution(const char* axisName, int32_t resolution) const; |
| void initializeOrientedRanges(); |
| void initializeSizeRanges(); |
| |
| [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, nsecs_t readTime); |
| |
| [[nodiscard]] std::list<NotifyArgs> consumeRawTouches(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags, bool& outConsumed); |
| [[nodiscard]] std::list<NotifyArgs> processRawTouches(bool timeout); |
| [[nodiscard]] std::list<NotifyArgs> cookAndDispatch(nsecs_t when, nsecs_t readTime); |
| [[nodiscard]] NotifyKeyArgs dispatchVirtualKey(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags, int32_t keyEventAction, |
| int32_t keyEventFlags); |
| |
| [[nodiscard]] std::list<NotifyArgs> dispatchTouches(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| [[nodiscard]] std::list<NotifyArgs> dispatchHoverExit(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| [[nodiscard]] std::list<NotifyArgs> dispatchHoverEnterAndMove(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| [[nodiscard]] std::list<NotifyArgs> dispatchButtonRelease(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| [[nodiscard]] std::list<NotifyArgs> dispatchButtonPress(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| [[nodiscard]] std::list<NotifyArgs> dispatchGestureButtonPress(nsecs_t when, |
| uint32_t policyFlags, |
| BitSet32 idBits, |
| nsecs_t readTime); |
| [[nodiscard]] std::list<NotifyArgs> dispatchGestureButtonRelease(nsecs_t when, |
| uint32_t policyFlags, |
| BitSet32 idBits, |
| nsecs_t readTime); |
| const BitSet32& findActiveIdBits(const CookedPointerData& cookedPointerData); |
| void cookPointerData(); |
| [[nodiscard]] std::list<NotifyArgs> abortTouches(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| |
| [[nodiscard]] std::list<NotifyArgs> dispatchPointerUsage(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags, |
| PointerUsage pointerUsage); |
| [[nodiscard]] std::list<NotifyArgs> abortPointerUsage(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| |
| [[nodiscard]] std::list<NotifyArgs> dispatchPointerGestures(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags, |
| bool isTimeout); |
| [[nodiscard]] std::list<NotifyArgs> abortPointerGestures(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| bool preparePointerGestures(nsecs_t when, bool* outCancelPreviousGesture, |
| bool* outFinishPreviousGesture, bool isTimeout); |
| |
| // Returns true if we're in a period of "quiet time" when touchpad gestures should be ignored. |
| bool checkForTouchpadQuietTime(nsecs_t when); |
| |
| std::pair<int32_t, float> getFastestFinger(); |
| |
| void prepareMultiFingerPointerGestures(nsecs_t when, bool* outCancelPreviousGesture, |
| bool* outFinishPreviousGesture); |
| |
| // Moves the on-screen mouse pointer based on the movement of the pointer of the given ID |
| // between the last and current events. Uses a relative motion. |
| void moveMousePointerFromPointerDelta(nsecs_t when, uint32_t pointerId); |
| |
| [[nodiscard]] std::list<NotifyArgs> dispatchPointerStylus(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| [[nodiscard]] std::list<NotifyArgs> abortPointerStylus(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| |
| [[nodiscard]] std::list<NotifyArgs> dispatchPointerMouse(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| [[nodiscard]] std::list<NotifyArgs> abortPointerMouse(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| |
| [[nodiscard]] std::list<NotifyArgs> dispatchPointerSimple(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags, bool down, |
| bool hovering, int32_t displayId); |
| [[nodiscard]] std::list<NotifyArgs> abortPointerSimple(nsecs_t when, nsecs_t readTime, |
| uint32_t policyFlags); |
| |
| // Attempts to assign a pointer id to the external stylus. Returns true if the state should be |
| // withheld from further processing while waiting for data from the stylus. |
| bool assignExternalStylusId(const RawState& state, bool timeout); |
| void applyExternalStylusButtonState(nsecs_t when); |
| void applyExternalStylusTouchState(nsecs_t when); |
| |
| // Dispatches a motion event. |
| // If the changedId is >= 0 and the action is POINTER_DOWN or POINTER_UP, the |
| // method will take care of setting the index and transmuting the action to DOWN or UP |
| // it is the first / last pointer to go down / up. |
| [[nodiscard]] NotifyMotionArgs dispatchMotion( |
| nsecs_t when, nsecs_t readTime, uint32_t policyFlags, uint32_t source, int32_t action, |
| int32_t actionButton, int32_t flags, int32_t metaState, int32_t buttonState, |
| int32_t edgeFlags, const PropertiesArray& properties, const CoordsArray& coords, |
| const IdToIndexArray& idToIndex, BitSet32 idBits, int32_t changedId, float xPrecision, |
| float yPrecision, nsecs_t downTime, MotionClassification classification); |
| |
| // Returns if this touch device is a touch screen with an associated display. |
| bool isTouchScreen(); |
| // Updates touch spots if they are enabled. Should only be used when this device is a |
| // touchscreen. |
| void updateTouchSpots(); |
| |
| bool isPointInsidePhysicalFrame(int32_t x, int32_t y) const; |
| const VirtualKey* findVirtualKeyHit(int32_t x, int32_t y); |
| |
| static void assignPointerIds(const RawState& last, RawState& current); |
| |
| // Compute input transforms for DIRECT and POINTER modes. |
| void computeInputTransforms(); |
| |
| void configureDeviceType(); |
| }; |
| |
| } // namespace android |
