{"version":3,"sources":["PanGestureHandler.ts"],"names":["Hammer","MULTI_FINGER_PAN_MAX_PINCH_THRESHOLD","MULTI_FINGER_PAN_MAX_ROTATION_THRESHOLD","DraggingGestureHandler","isValidNumber","isnan","TEST_MIN_IF_NOT_NAN","VEC_LEN_SQ","State","PanGestureHandler","name","NativeGestureClass","Pan","getHammerConfig","direction","getDirection","getState","type","nextState","previousState","UNDETERMINED","ACTIVE","BEGAN","config","getConfig","activeOffsetXStart","activeOffsetXEnd","activeOffsetYStart","activeOffsetYEnd","minDist","directions","horizontalDirections","DIRECTION_ALL","push","DIRECTION_LEFT","DIRECTION_RIGHT","length","DIRECTION_HORIZONTAL","concat","verticalDirections","DIRECTION_UP","DIRECTION_DOWN","DIRECTION_VERTICAL","DIRECTION_NONE","hasCustomActivationCriteria","minDistSq","shouldFailUnderCustomCriteria","deltaX","deltaY","criteria","failOffsetXStart","failOffsetXEnd","failOffsetYStart","failOffsetYEnd","shouldActivateUnderCustomCriteria","velocity","x","y","minVelocityX","minVelocityY","minVelocitySq","shouldMultiFingerPanFail","pointerLength","scale","deltaRotation","deltaScale","Math","abs","absDeltaRotation","updateHasCustomActivationCriteria","isGestureEnabledForEvent","props","_recognizer","inputData","failed","velocityX","velocityY","maxPointers","success"],"mappings":"AAAA,OAAOA,MAAP,MAAmB,gBAAnB;AAEA,SAEEC,oCAFF,EAGEC,uCAHF,QAIO,aAJP;AAKA,OAAOC,sBAAP,MAAmC,0BAAnC;AACA,SAASC,aAAT,EAAwBC,KAAxB,EAA+BC,mBAA/B,EAAoDC,UAApD,QAAsE,SAAtE;AACA,SAASC,KAAT,QAAsB,UAAtB;;AAGA,MAAMC,iBAAN,SAAgCN,sBAAhC,CAAuD;AAC7C,MAAJO,IAAI,GAAG;AACT,WAAO,KAAP;AACD;;AAEqB,MAAlBC,kBAAkB,GAAG;AACvB,WAAOX,MAAM,CAACY,GAAd;AACD;;AAEDC,EAAAA,eAAe,GAAG;AAChB,WAAO,EACL,GAAG,MAAMA,eAAN,EADE;AAELC,MAAAA,SAAS,EAAE,KAAKC,YAAL;AAFN,KAAP;AAID;;AAEDC,EAAAA,QAAQ,CAACC,IAAD,EAA8B;AACpC,UAAMC,SAAS,GAAG,MAAMF,QAAN,CAAeC,IAAf,CAAlB,CADoC,CAEpC;;AACA,QACE,KAAKE,aAAL,KAAuBX,KAAK,CAACY,YAA7B,IACAF,SAAS,KAAKV,KAAK,CAACa,MAFtB,EAGE;AACA,aAAOb,KAAK,CAACc,KAAb;AACD;;AACD,WAAOJ,SAAP;AACD;;AAEDH,EAAAA,YAAY,GAAG;AACb,UAAMQ,MAAM,GAAG,KAAKC,SAAL,EAAf;AACA,UAAM;AACJC,MAAAA,kBADI;AAEJC,MAAAA,gBAFI;AAGJC,MAAAA,kBAHI;AAIJC,MAAAA,gBAJI;AAKJC,MAAAA;AALI,QAMFN,MANJ;AAOA,QAAIO,UAAoB,GAAG,EAA3B;AACA,QAAIC,oBAAoB,GAAG,EAA3B;;AAEA,QAAI,CAAC1B,KAAK,CAACwB,OAAD,CAAV,EAAqB;AACnB,aAAO7B,MAAM,CAACgC,aAAd;AACD;;AAED,QAAI,CAAC3B,KAAK,CAACoB,kBAAD,CAAV,EACEM,oBAAoB,CAACE,IAArB,CAA0BjC,MAAM,CAACkC,cAAjC;AACF,QAAI,CAAC7B,KAAK,CAACqB,gBAAD,CAAV,EACEK,oBAAoB,CAACE,IAArB,CAA0BjC,MAAM,CAACmC,eAAjC;AACF,QAAIJ,oBAAoB,CAACK,MAArB,KAAgC,CAApC,EACEL,oBAAoB,GAAG,CAAC/B,MAAM,CAACqC,oBAAR,CAAvB;AAEFP,IAAAA,UAAU,GAAGA,UAAU,CAACQ,MAAX,CAAkBP,oBAAlB,CAAb;AACA,QAAIQ,kBAAkB,GAAG,EAAzB;AAEA,QAAI,CAAClC,KAAK,CAACsB,kBAAD,CAAV,EACEY,kBAAkB,CAACN,IAAnB,CAAwBjC,MAAM,CAACwC,YAA/B;AACF,QAAI,CAACnC,KAAK,CAACuB,gBAAD,CAAV,EACEW,kBAAkB,CAACN,IAAnB,CAAwBjC,MAAM,CAACyC,cAA/B;AAEF,QAAIF,kBAAkB,CAACH,MAAnB,KAA8B,CAAlC,EACEG,kBAAkB,GAAG,CAACvC,MAAM,CAAC0C,kBAAR,CAArB;AAEFZ,IAAAA,UAAU,GAAGA,UAAU,CAACQ,MAAX,CAAkBC,kBAAlB,CAAb;;AAEA,QAAI,CAACT,UAAU,CAACM,MAAhB,EAAwB;AACtB,aAAOpC,MAAM,CAAC2C,cAAd;AACD;;AACD,QACEb,UAAU,CAAC,CAAD,CAAV,KAAkB9B,MAAM,CAACqC,oBAAzB,IACAP,UAAU,CAAC,CAAD,CAAV,KAAkB9B,MAAM,CAAC0C,kBAF3B,EAGE;AACA,aAAO1C,MAAM,CAACgC,aAAd;AACD;;AACD,QAAID,oBAAoB,CAACK,MAArB,IAA+BG,kBAAkB,CAACH,MAAtD,EAA8D;AAC5D,aAAOpC,MAAM,CAACgC,aAAd;AACD;;AAED,WAAOF,UAAU,CAAC,CAAD,CAAjB;AACD;;AAEDN,EAAAA,SAAS,GAAG;AACV,QAAI,CAAC,KAAKoB,2BAAV,EAAuC;AACrC;AACA;AACA,aAAO;AACLC,QAAAA,SAAS,EAAE;AADN,OAAP;AAGD;;AACD,WAAO,KAAKtB,MAAZ;AACD;;AAEDuB,EAAAA,6BAA6B,CAC3B;AAAEC,IAAAA,MAAF;AAAUC,IAAAA;AAAV,GAD2B,EAE3BC,QAF2B,EAG3B;AACA,WACG,CAAC5C,KAAK,CAAC4C,QAAQ,CAACC,gBAAV,CAAN,IACCH,MAAM,GAAGE,QAAQ,CAACC,gBADpB,IAEC,CAAC7C,KAAK,CAAC4C,QAAQ,CAACE,cAAV,CAAN,IAAmCJ,MAAM,GAAGE,QAAQ,CAACE,cAFtD,IAGC,CAAC9C,KAAK,CAAC4C,QAAQ,CAACG,gBAAV,CAAN,IACCJ,MAAM,GAAGC,QAAQ,CAACG,gBAJpB,IAKC,CAAC/C,KAAK,CAAC4C,QAAQ,CAACI,cAAV,CAAN,IAAmCL,MAAM,GAAGC,QAAQ,CAACI,cANxD;AAQD;;AAEDC,EAAAA,iCAAiC,CAC/B;AAAEP,IAAAA,MAAF;AAAUC,IAAAA,MAAV;AAAkBO,IAAAA;AAAlB,GAD+B,EAE/BN,QAF+B,EAG/B;AACA,WACG,CAAC5C,KAAK,CAAC4C,QAAQ,CAACxB,kBAAV,CAAN,IACCsB,MAAM,GAAGE,QAAQ,CAACxB,kBADpB,IAEC,CAACpB,KAAK,CAAC4C,QAAQ,CAACvB,gBAAV,CAAN,IACCqB,MAAM,GAAGE,QAAQ,CAACvB,gBAHpB,IAIC,CAACrB,KAAK,CAAC4C,QAAQ,CAACtB,kBAAV,CAAN,IACCqB,MAAM,GAAGC,QAAQ,CAACtB,kBALpB,IAMC,CAACtB,KAAK,CAAC4C,QAAQ,CAACrB,gBAAV,CAAN,IACCoB,MAAM,GAAGC,QAAQ,CAACrB,gBAPpB,IAQAtB,mBAAmB,CACjBC,UAAU,CAAC;AAAEiD,MAAAA,CAAC,EAAET,MAAL;AAAaU,MAAAA,CAAC,EAAET;AAAhB,KAAD,CADO,EAEjBC,QAAQ,CAACJ,SAFQ,CARnB,IAYAvC,mBAAmB,CAACiD,QAAQ,CAACC,CAAV,EAAaP,QAAQ,CAACS,YAAtB,CAZnB,IAaApD,mBAAmB,CAACiD,QAAQ,CAACE,CAAV,EAAaR,QAAQ,CAACU,YAAtB,CAbnB,IAcArD,mBAAmB,CAACC,UAAU,CAACgD,QAAD,CAAX,EAAuBN,QAAQ,CAACW,aAAhC,CAfrB;AAiBD;;AAEDC,EAAAA,wBAAwB,CAAC;AACvBC,IAAAA,aADuB;AAEvBC,IAAAA,KAFuB;AAGvBC,IAAAA;AAHuB,GAAD,EAQrB;AACD,QAAIF,aAAa,IAAI,CAArB,EAAwB;AACtB,aAAO,KAAP;AACD,KAHA,CAKD;;;AACA,UAAMG,UAAU,GAAGC,IAAI,CAACC,GAAL,CAASJ,KAAK,GAAG,CAAjB,CAAnB;AACA,UAAMK,gBAAgB,GAAGF,IAAI,CAACC,GAAL,CAASH,aAAT,CAAzB;;AACA,QAAIC,UAAU,GAAGhE,oCA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Hammer from '@egjs/hammerjs';\n\nimport {\n  EventMap,\n  MULTI_FINGER_PAN_MAX_PINCH_THRESHOLD,\n  MULTI_FINGER_PAN_MAX_ROTATION_THRESHOLD,\n} from './constants';\nimport DraggingGestureHandler from './DraggingGestureHandler';\nimport { isValidNumber, isnan, TEST_MIN_IF_NOT_NAN, VEC_LEN_SQ } from './utils';\nimport { State } from '../State';\n\nimport { Config, HammerInputExt } from './GestureHandler';\nclass PanGestureHandler extends DraggingGestureHandler {\n  get name() {\n    return 'pan';\n  }\n\n  get NativeGestureClass() {\n    return Hammer.Pan;\n  }\n\n  getHammerConfig() {\n    return {\n      ...super.getHammerConfig(),\n      direction: this.getDirection(),\n    };\n  }\n\n  getState(type: keyof typeof EventMap) {\n    const nextState = super.getState(type);\n    // Ensure that the first state sent is `BEGAN` and not `ACTIVE`\n    if (\n      this.previousState === State.UNDETERMINED &&\n      nextState === State.ACTIVE\n    ) {\n      return State.BEGAN;\n    }\n    return nextState;\n  }\n\n  getDirection() {\n    const config = this.getConfig();\n    const {\n      activeOffsetXStart,\n      activeOffsetXEnd,\n      activeOffsetYStart,\n      activeOffsetYEnd,\n      minDist,\n    } = config;\n    let directions: number[] = [];\n    let horizontalDirections = [];\n\n    if (!isnan(minDist)) {\n      return Hammer.DIRECTION_ALL;\n    }\n\n    if (!isnan(activeOffsetXStart))\n      horizontalDirections.push(Hammer.DIRECTION_LEFT);\n    if (!isnan(activeOffsetXEnd))\n      horizontalDirections.push(Hammer.DIRECTION_RIGHT);\n    if (horizontalDirections.length === 2)\n      horizontalDirections = [Hammer.DIRECTION_HORIZONTAL];\n\n    directions = directions.concat(horizontalDirections);\n    let verticalDirections = [];\n\n    if (!isnan(activeOffsetYStart))\n      verticalDirections.push(Hammer.DIRECTION_UP);\n    if (!isnan(activeOffsetYEnd))\n      verticalDirections.push(Hammer.DIRECTION_DOWN);\n\n    if (verticalDirections.length === 2)\n      verticalDirections = [Hammer.DIRECTION_VERTICAL];\n\n    directions = directions.concat(verticalDirections);\n\n    if (!directions.length) {\n      return Hammer.DIRECTION_NONE;\n    }\n    if (\n      directions[0] === Hammer.DIRECTION_HORIZONTAL &&\n      directions[1] === Hammer.DIRECTION_VERTICAL\n    ) {\n      return Hammer.DIRECTION_ALL;\n    }\n    if (horizontalDirections.length && verticalDirections.length) {\n      return Hammer.DIRECTION_ALL;\n    }\n\n    return directions[0];\n  }\n\n  getConfig() {\n    if (!this.hasCustomActivationCriteria) {\n      // Default config\n      // If no params have been defined then this config should emulate the native gesture as closely as possible.\n      return {\n        minDistSq: 10,\n      };\n    }\n    return this.config;\n  }\n\n  shouldFailUnderCustomCriteria(\n    { deltaX, deltaY }: HammerInputExt,\n    criteria: any\n  ) {\n    return (\n      (!isnan(criteria.failOffsetXStart) &&\n        deltaX < criteria.failOffsetXStart) ||\n      (!isnan(criteria.failOffsetXEnd) && deltaX > criteria.failOffsetXEnd) ||\n      (!isnan(criteria.failOffsetYStart) &&\n        deltaY < criteria.failOffsetYStart) ||\n      (!isnan(criteria.failOffsetYEnd) && deltaY > criteria.failOffsetYEnd)\n    );\n  }\n\n  shouldActivateUnderCustomCriteria(\n    { deltaX, deltaY, velocity }: any,\n    criteria: any\n  ) {\n    return (\n      (!isnan(criteria.activeOffsetXStart) &&\n        deltaX < criteria.activeOffsetXStart) ||\n      (!isnan(criteria.activeOffsetXEnd) &&\n        deltaX > criteria.activeOffsetXEnd) ||\n      (!isnan(criteria.activeOffsetYStart) &&\n        deltaY < criteria.activeOffsetYStart) ||\n      (!isnan(criteria.activeOffsetYEnd) &&\n        deltaY > criteria.activeOffsetYEnd) ||\n      TEST_MIN_IF_NOT_NAN(\n        VEC_LEN_SQ({ x: deltaX, y: deltaY }),\n        criteria.minDistSq\n      ) ||\n      TEST_MIN_IF_NOT_NAN(velocity.x, criteria.minVelocityX) ||\n      TEST_MIN_IF_NOT_NAN(velocity.y, criteria.minVelocityY) ||\n      TEST_MIN_IF_NOT_NAN(VEC_LEN_SQ(velocity), criteria.minVelocitySq)\n    );\n  }\n\n  shouldMultiFingerPanFail({\n    pointerLength,\n    scale,\n    deltaRotation,\n  }: {\n    deltaRotation: number;\n    pointerLength: number;\n    scale: number;\n  }) {\n    if (pointerLength <= 1) {\n      return false;\n    }\n\n    // Test if the pan had too much pinching or rotating.\n    const deltaScale = Math.abs(scale - 1);\n    const absDeltaRotation = Math.abs(deltaRotation);\n    if (deltaScale > MULTI_FINGER_PAN_MAX_PINCH_THRESHOLD) {\n      // > If the threshold doesn't seem right.\n      // You can log the value which it failed at here:\n      return true;\n    }\n    if (absDeltaRotation > MULTI_FINGER_PAN_MAX_ROTATION_THRESHOLD) {\n      // > If the threshold doesn't seem right.\n      // You can log the value which it failed at here:\n      return true;\n    }\n\n    return false;\n  }\n\n  updateHasCustomActivationCriteria(\n    criteria: Config & { minVelocityX?: number; minVelocityY?: number }\n  ) {\n    return (\n      isValidNumber(criteria.minDistSq) ||\n      isValidNumber(criteria.minVelocityX) ||\n      isValidNumber(criteria.minVelocityY) ||\n      isValidNumber(criteria.minVelocitySq) ||\n      isValidNumber(criteria.activeOffsetXStart) ||\n      isValidNumber(criteria.activeOffsetXEnd) ||\n      isValidNumber(criteria.activeOffsetYStart) ||\n      isValidNumber(criteria.activeOffsetYEnd)\n    );\n  }\n\n  isGestureEnabledForEvent(\n    props: any,\n    _recognizer: any,\n    inputData: HammerInputExt & { deltaRotation: number }\n  ) {\n    if (this.shouldFailUnderCustomCriteria(inputData, props)) {\n      return { failed: true };\n    }\n\n    const velocity = { x: inputData.velocityX, y: inputData.velocityY };\n    if (\n      this.hasCustomActivationCriteria &&\n      this.shouldActivateUnderCustomCriteria(\n        { deltaX: inputData.deltaX, deltaY: inputData.deltaY, velocity },\n        props\n      )\n    ) {\n      if (\n        this.shouldMultiFingerPanFail({\n          pointerLength: inputData.maxPointers,\n          scale: inputData.scale,\n          deltaRotation: inputData.deltaRotation,\n        })\n      ) {\n        return {\n          failed: true,\n        };\n      }\n      return { success: true };\n    }\n    return { success: false };\n  }\n}\n\nexport default PanGestureHandler;\n"]}