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r=t-n.firstX,s=i-n.firstY;if(n.firstX===n.lastX&&n.firstY===n.lastY||(n.angle=180*Math.atan2(s,r)/Math.PI),!this._hasDetectedGesture()){if(Math.hypot(r,s)<50)return;if(this._state&=-24,this._stopLongpressTimeout(),1!==this._tracked.length&&(this._state&=-9),2!==this._tracked.length&&(this._state&=-97),2===this._tracked.length){var a=this._tracked.find((function(t){return t.id!==e}));if(Math.hypot(a.firstX-a.lastX,a.firstY-a.lastY)>50){var o=Math.abs(n.angle-a.angle);o=Math.abs((o+180)%360-180),this._state&=o>90?-33:-65,this._isTwoTouchTimeoutRunning()&&this._stopTwoTouchTimeout()}else this._isTwoTouchTimeoutRunning()||this._startTwoTouchTimeout()}if(!this._hasDetectedGesture())return;this._pushEvent("gesturestart")}this._pushEvent("gesturemove")}}},{key:"_touchEnd",value:function(e,t,i){if(-1!==this._ignored.indexOf(e))return this._ignored.splice(this._ignored.indexOf(e),1),void(0===this._ignored.length&&0===this._tracked.length&&(this._state=127,this._waitingRelease=!1));if(!this._hasDetectedGesture()&&this._isTwoTouchTimeoutRunning()&&(this._stopTwoTouchTimeout(),this._state=0),!this._hasDetectedGesture()&&(this._state&=-105,this._state&=-17,this._stopLongpressTimeout(),!this._waitingRelease))switch(this._releaseStart=Date.now(),this._waitingRelease=!0,this._tracked.length){case 1:this._state&=-7;break;case 2:this._state&=-6}if(this._waitingRelease)if(Date.now()-this._releaseStart>250&&(this._state=0),this._tracked.some((function(e){return Date.now()-e.started>1e3}))&&(this._state=0),this._tracked.find((function(t){return t.id===e})).active=!1,this._hasDetectedGesture())this._pushEvent("gesturestart");else if(0!==this._state)return;this._hasDetectedGesture()&&this._pushEvent("gestureend");for(var n=0;n<this._tracked.length;n++)this._tracked[n].active&&this._ignored.push(this._tracked[n].id);this._tracked=[],this._state=0,-1!==this._ignored.indexOf(e)&&this._ignored.splice(this._ignored.indexOf(e),1),0===this._ignored.length&&(this._state=127,this._waitingRelease=!1)}},{key:"_hasDetectedGesture",value:function(){return!(0===this._state||this._state&this._state-1||7&this._state&&this._tracked.some((function(e){return e.active})))}},{key:"_startLongpressTimeout",value:function(){var e=this;this._stopLongpressTimeout(),this._longpressTimeoutId=setTimeout((function(){return e._longpressTimeout()}),1e3)}},{key:"_stopLongpressTimeout",value:function(){clearTimeout(this._longpressTimeoutId),this._longpressTimeoutId=null}},{key:"_longpressTimeout",value:function(){if(this._hasDetectedGesture())throw new Error("A longpress gesture failed, conflict with a different gesture");this._state=16,this._pushEvent("gesturestart")}},{key:"_startTwoTouchTimeout",value:function(){var e=this;this._stopTwoTouchTimeout(),this._twoTouchTimeoutId=setTimeout((function(){return e._twoTouchTimeout()}),50)}},{key:"_stopTwoTouchTimeout",value:function(){clearTimeout(this._twoTouchTimeoutId),this._twoTouchTimeoutId=null}},{key:"_isTwoTouchTimeoutRunning",value:function(){return null!==this._twoTouchTimeoutId}},{key:"_twoTouchTimeout",value:function(){if(0===this._tracked.length)throw new Error("A pinch or two drag gesture failed, no tracked touches");var e=this._getAverageMovement(),t=Math.abs(e.x),i=Math.abs(e.y),s=this._getAverageDistance(),a=Math.abs(Math.hypot(s.first.x,s.first.y)-Math.hypot(s.last.x,s.last.y));this._state=i<a&&t<a?r:n,this._pushEvent("gesturestart"),this._pushEvent("gesturemove")}},{key:"_pushEvent",value:function(e){var t={type:this._stateToGesture(this._state)},i=this._getPosition(),s=i.last;switch("gesturestart"===e&&(s=i.first),this._state){case n:case r:s=i.first}if(t.clientX=s.x,t.clientY=s.y,this._state===r){var a=this._getAverageDistance();"gesturestart"===e?(t.magnitudeX=a.first.x,t.magnitudeY=a.first.y):(t.magnitudeX=a.last.x,t.magnitudeY=a.last.y)}else if(this._state===n)if("gesturestart"===e)t.magnitudeX=0,t.magnitudeY=0;else{var o=this._getAverageMovement();t.magnitudeX=o.x,t.magnitudeY=o.y}var u=new CustomEvent(e,{detail:t});this._target.dispatchEvent(u)}},{key:"_stateToGesture",value:function(e){switch(e){case 1:return"onetap";case 2:return"twotap";case 4:return"threetap";case 8:return"drag";case 16:return"longpress";case n:return"twodrag";case r:return"pinch"}throw new Error("Unknown gesture state: "+e)}},{key:"_getPosition",value:function(){if(0===this._tracked.length)throw new Error("Failed to get gesture position, no tracked touches");for(var e=this._tracked.length,t=0,i=0,n=0,r=0,s=0;s<this._tracked.length;s++)t+=this._tracked[s].firstX,i+=this._tracked[s].firstY,n+=this._tracked[s].lastX,r+=this._tracked[s].lastY;return{first:{x:t/e,y:i/e},last:{x:n/e,y:r/e}}}},{key:"_getAverageMovement",value:function(){if(0===this._tracked.length)throw new Error("Failed to get gesture movement, no tracked touches");var e,t;e=t=0;for(var i=this._tracked.length,n=0;n<this._tracked.length;n++)e+=this._tracked[n].lastX-this._tracked[n].firstX,t+=this._tracked[n].lastY-this._tracked[n].firstY;return{x:e/i,y:t/i}}},{key:"_getAverageDistance",value:function(){if(0===this._tracked.length)throw new Error("Failed to get gesture distance, no tracked touches");var e=this._tracked[0],t=this._tracked[this._tracked.length-1];return{first:{x:Math.abs(t.firstX-e.firstX),y:Math.abs(t.firstY-e.firstY)},last:{x:Math.abs(t.lastX-e.lastX),y:Math.abs(t.lastY-e.lastY)}}}}])&&i(t.prototype,s),a&&i(t,a),e}();t.default=s},1606:function(e,t,i){function n(e){return n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},n(e)}Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var r,s=_(i(50500)),a=i(79420),o=_(i(50556)),u=(r=i(69314))&&r.__esModule?r:{default:r},l=_(i(41895));function h(){if("function"!=typeof WeakMap)return null;var e=new WeakMap;return h=function(){return e},e}function _(e){if(e&&e.__esModule)return e;if(null===e||"object"!==n(e)&&"function"!=typeof e)return{default:e};var t=h();if(t&&t.has(e))return t.get(e);var i={},r=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var s in e)if(Object.prototype.hasOwnProperty.call(e,s)){var a=r?Object.getOwnPropertyDescriptor(e,s):null;a&&(a.get||a.set)?Object.defineProperty(i,s,a):i[s]=e[s]}return i.default=e,t&&t.set(e,i),i}function c(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}var d=function(){function e(t){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this._target=t||null,this._keyDownList={},this._pendingKey=null,this._altGrArmed=!1,this._eventHandlers={keyup:this._handleKeyUp.bind(this),keydown:this._handleKeyDown.bind(this),keypress:this._handleKeyPress.bind(this),blur:this._allKeysUp.bind(this),checkalt:this._checkAlt.bind(this)},this.onkeyevent=function(){}}var t,i,n;return t=e,(i=[{key:"_sendKeyEvent",value:function(e,t,i){if(i)this._keyDownList[t]=e;else{if(!(t in this._keyDownList))return;delete this._keyDownList[t]}s.Debug("onkeyevent "+(i?"down":"up")+", keysym: "+e,", code: "+t),this.onkeyevent(e,t,i)}},{key:"_getKeyCode",value:function(e){var t=o.getKeycode(e);if("Unidentified"!==t)return t;if(e.keyCode&&"keypress"!==e.type&&229!==e.keyCode)return"Platform"+e.keyCode;if(e.keyIdentifier){if("U+"!==e.keyIdentifier.substr(0,2))return e.keyIdentifier;var i=parseInt(e.keyIdentifier.substr(2),16);return"Platform"+String.fromCharCode(i).toUpperCase().charCodeAt()}return"Unidentified"}},{key:"_handleKeyDown",value:function(e){var t=this._getKeyCode(e),i=o.getKeysym(e);if(this._altGrArmed&&(this._altGrArmed=!1,clearTimeout(this._altGrTimeout),"AltRight"===t&&e.timeStamp-this._altGrCtrlTime<50?i=u.default.XK_ISO_Level3_Shift:this._sendKeyEvent(u.default.XK_Control_L,"ControlLeft",!0)),"Unidentified"===t)return i&&(this._sendKeyEvent(i,t,!0),this._sendKeyEvent(i,t,!1)),void(0,a.stopEvent)(e);if(l.isMac()||l.isIOS())switch(i){case u.default.XK_Super_L:i=u.default.XK_Alt_L;break;case u.default.XK_Super_R:i=u.default.XK_Super_L;break;case u.default.XK_Alt_L:i=u.default.XK_Mode_switch;break;case u.default.XK_Alt_R:i=u.default.XK_ISO_Level3_Shift}return t in this._keyDownList&&(i=this._keyDownList[t]),(l.isMac()||l.isIOS())&&"CapsLock"===t?(this._sendKeyEvent(u.default.XK_Caps_Lock,"CapsLock",!0),this._sendKeyEvent(u.default.XK_Caps_Lock,"CapsLock",!1),void(0,a.stopEvent)(e)):i||e.key&&!l.isIE()&&!l.isEdge()?(this._pendingKey=null,(0,a.stopEvent)(e),"ControlLeft"===t&&l.isWindows()&&!("ControlLeft"in this._keyDownList)?(this._altGrArmed=!0,this._altGrTimeout=setTimeout(this._handleAltGrTimeout.bind(this),100),void(this._altGrCtrlTime=e.timeStamp)):void this._sendKeyEvent(i,t,!0)):(this._pendingKey=t,void setTimeout(this._handleKeyPressTimeout.bind(this),10,e))}},{key:"_handleKeyPress",value:function(e){if((0,a.stopEvent)(e),null!==this._pendingKey){var t=this._getKeyCode(e),i=o.getKeysym(e);"Unidentified"!==t&&t!=this._pendingKey||(t=this._pendingKey,this._pendingKey=null,i?this._sendKeyEvent(i,t,!0):s.Info("keypress with no keysym:",e))}}},{key:"_handleKeyPressTimeout",value:function(e){if(null!==this._pendingKey){var t,i=this._pendingKey;if(this._pendingKey=null,e.keyCode>=48&&e.keyCode<=57)t=e.keyCode;else if(e.keyCode>=65&&e.keyCode<=90){var n=String.fromCharCode(e.keyCode);t=(n=e.shiftKey?n.toUpperCase():n.toLowerCase()).charCodeAt()}else t=0;this._sendKeyEvent(t,i,!0)}}},{key:"_handleKeyUp",value:function(e){(0,a.stopEvent)(e);var t=this._getKeyCode(e);if(this._altGrArmed&&(this._altGrArmed=!1,clearTimeout(this._altGrTimeout),this._sendKeyEvent(u.default.XK_Control_L,"ControlLeft",!0)),(l.isMac()||l.isIOS())&&"CapsLock"===t)return this._sendKeyEvent(u.default.XK_Caps_Lock,"CapsLock",!0),void this._sendKeyEvent(u.default.XK_Caps_Lock,"CapsLock",!1);this._sendKeyEvent(this._keyDownList[t],t,!1),!l.isWindows()||"ShiftLeft"!==t&&"ShiftRight"!==t||("ShiftRight"in this._keyDownList&&this._sendKeyEvent(this._keyDownList.ShiftRight,"ShiftRight",!1),"ShiftLeft"in this._keyDownList&&this._sendKeyEvent(this._keyDownList.ShiftLeft,"ShiftLeft",!1))}},{key:"_handleAltGrTimeout",value:function(){this._altGrArmed=!1,clearTimeout(this._altGrTimeout),this._sendKeyEvent(u.default.XK_Control_L,"ControlLeft",!0)}},{key:"_allKeysUp",value:function(){for(var e in s.Debug(">> Keyboard.allKeysUp"),this._keyDownList)this._sendKeyEvent(this._keyDownList[e],e,!1);s.Debug("<< Keyboard.allKeysUp")}},{key:"_checkAlt",value:function(e){if(!e.skipCheckAlt&&!e.altKey){var t=this._target,i=this._keyDownList;["AltLeft","AltRight"].forEach((function(e){if(e in i){var n=new KeyboardEvent("keyup",{key:i[e],code:e});n.skipCheckAlt=!0,t.dispatchEvent(n)}}))}}},{key:"grab",value:function(){if(this._target.addEventListener("keydown",this._eventHandlers.keydown),this._target.addEventListener("keyup",this._eventHandlers.keyup),this._target.addEventListener("keypress",this._eventHandlers.keypress),window.addEventListener("blur",this._eventHandlers.blur),l.isWindows()&&l.isFirefox()){var e=this._eventHandlers.checkalt;["mousedown","mouseup","mousemove","wheel","touchstart","touchend","touchmove","keydown","keyup"].forEach((function(t){return document.addEventListener(t,e,{capture:!0,passive:!0})}))}}},{key:"ungrab",value:function(){if(l.isWindows()&&l.isFirefox()){var e=this._eventHandlers.checkalt;["mousedown","mouseup","mousemove","wheel","touchstart","touchend","touchmove","keydown","keyup"].forEach((function(t){return 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i)||!!i.shared,n._repeaterID=i.repeaterID||"",n._wsProtocols=i.wsProtocols||[],n._rfbConnectionState="",n._rfbInitState="",n._rfbAuthScheme=-1,n._rfbCleanDisconnect=!0,n._rfbVersion=0,n._rfbMaxVersion=3.8,n._rfbTightVNC=!1,n._rfbVeNCryptState=0,n._rfbXvpVer=0,n._fbWidth=0,n._fbHeight=0,n._fbName="",n._capabilities={power:!1},n._supportsFence=!1,n._supportsContinuousUpdates=!1,n._enabledContinuousUpdates=!1,n._supportsSetDesktopSize=!1,n._screenID=0,n._screenFlags=0,n._qemuExtKeyEventSupported=!1,n._clipboardText=null,n._clipboardServerCapabilitiesActions={},n._clipboardServerCapabilitiesFormats={},n._sock=null,n._display=null,n._flushing=!1,n._keyboard=null,n._gestures=null,n._disconnTimer=null,n._resizeTimeout=null,n._mouseMoveTimer=null,n._decoders={},n._FBU={rects:0,x:0,y:0,width:0,height:0,encoding:null},n._mousePos={},n._mouseButtonMask=0,n._mouseLastMoveTime=0,n._viewportDragging=!1,n._viewportDragPos={},n._viewportHasMoved=!1,n._accumulatedWheelDeltaX=0,n._accumulatedWheelDeltaY=0,n._gestureLastTapTime=null,n._gestureFirstDoubleTapEv=null,n._gestureLastMagnitudeX=0,n._gestureLastMagnitudeY=0,n._eventHandlers={focusCanvas:n._focusCanvas.bind(T(n)),windowResize:n._windowResize.bind(T(n)),handleMouse:n._handleMouse.bind(T(n)),handleWheel:n._handleWheel.bind(T(n)),handleGesture:n._handleGesture.bind(T(n))},r.Debug(">> RFB.constructor"),n._screen=document.createElement("div"),n._screen.style.display="flex",n._screen.style.width="100%",n._screen.style.height="100%",n._screen.style.overflow="auto",n._screen.style.background="rgb(40, 40, 40)",n._canvas=document.createElement("canvas"),n._canvas.style.margin="auto",n._canvas.style.outline="none",n._canvas.style.flexShrink="0",n._canvas.width=0,n._canvas.height=0,n._canvas.tabIndex=-1,n._screen.appendChild(n._canvas),n._cursor=new p.default,n._cursorImage=C.cursors.none,n._decoders[m.encodings.encodingRaw]=new w.default,n._decoders[m.encodings.encodingCopyRect]=new k.default,n._decoders[m.encodings.encodingRRE]=new X.default,n._decoders[m.encodings.encodingHextile]=new K.default,n._decoders[m.encodings.encodingTight]=new F.default,n._decoders[m.encodings.encodingTightPNG]=new S.default;try{n._display=new h.default(n._canvas)}catch(e){throw r.Error("Display exception: "+e),e}return n._display.onflush=n._onFlush.bind(T(n)),n._keyboard=new d.default(n._canvas),n._keyboard.onkeyevent=n._handleKeyEvent.bind(T(n)),n._gestures=new f.default,n._sock=new v.default,n._sock.on("message",(function(){n._handleMessage()})),n._sock.on("open",(function(){"connecting"===n._rfbConnectionState&&""===n._rfbInitState?(n._rfbInitState="ProtocolVersion",r.Debug("Starting VNC handshake")):n._fail("Unexpected server connection while "+n._rfbConnectionState)})),n._sock.on("close",(function(e){r.Debug("WebSocket on-close event");var t="";switch(e.code&&(t="(code: "+e.code,e.reason&&(t+=", reason: "+e.reason),t+=")"),n._rfbConnectionState){case"connecting":n._fail("Connection closed "+t);break;case"connected":n._updateConnectionState("disconnecting"),n._updateConnectionState("disconnected");break;case"disconnecting":n._updateConnectionState("disconnected");break;case"disconnected":n._fail("Unexpected server disconnect when already disconnected "+t);break;default:n._fail("Unexpected server disconnect before connecting "+t)}n._sock.off("close")})),n._sock.on("error",(function(e){return r.Warn("WebSocket on-error event")})),setTimeout(n._updateConnectionState.bind(T(n),"connecting")),r.Debug("<< RFB.constructor"),n.dragViewport=!1,n.focusOnClick=!0,n._viewOnly=!1,n._clipViewport=!1,n._scaleViewport=!1,n._resizeSession=!1,n._showDotCursor=!1,void 0!==i.showDotCursor&&(r.Warn("Specifying showDotCursor as a RFB constructor argument is deprecated"),n._showDotCursor=i.showDotCursor),n._qualityLevel=6,n._compressionLevel=2,n}return t=C,l=[{key:"genDES",value:function(e,t){var i=e.split("").map((function(e){return e.charCodeAt(0)}));return new g.default(i).encrypt(t)}}],(i=[{key:"disconnect",value:function(){this._updateConnectionState("disconnecting"),this._sock.off("error"),this._sock.off("message"),this._sock.off("open")}},{key:"sendCredentials",value:function(e){this._rfbCredentials=e,setTimeout(this._initMsg.bind(this),0)}},{key:"sendCtrlAltDel",value:function(){"connected"!==this._rfbConnectionState||this._viewOnly||(r.Info("Sending Ctrl-Alt-Del"),this.sendKey(y.default.XK_Control_L,"ControlLeft",!0),this.sendKey(y.default.XK_Alt_L,"AltLeft",!0),this.sendKey(y.default.XK_Delete,"Delete",!0),this.sendKey(y.default.XK_Delete,"Delete",!1),this.sendKey(y.default.XK_Alt_L,"AltLeft",!1),this.sendKey(y.default.XK_Control_L,"ControlLeft",!1))}},{key:"machineShutdown",value:function(){this._xvpOp(1,2)}},{key:"machineReboot",value:function(){this._xvpOp(1,3)}},{key:"machineReset",value:function(){this._xvpOp(1,4)}},{key:"sendKey",value:function(e,t,i){if("connected"===this._rfbConnectionState&&!this._viewOnly){if(void 0===i)return this.sendKey(e,t,!0),void this.sendKey(e,t,!1);var n=b.default[t];if(this._qemuExtKeyEventSupported&&n)e=e||0,r.Info("Sending key ("+(i?"down":"up")+"): keysym "+e+", scancode "+n),C.messages.QEMUExtendedKeyEvent(this._sock,e,i,n);else{if(!e)return;r.Info("Sending keysym ("+(i?"down":"up")+"): "+e),C.messages.keyEvent(this._sock,e,i?1:0)}}}},{key:"focus",value:function(){this._canvas.focus()}},{key:"blur",value:function(){this._canvas.blur()}},{key:"clipboardPasteFrom",value:function(e){if("connected"===this._rfbConnectionState&&!this._viewOnly)if(this._clipboardServerCapabilitiesFormats[1]&&this._clipboardServerCapabilitiesActions[134217728])this._clipboardText=e,C.messages.extendedClipboardNotify(this._sock,[1]);else{for(var t=new Uint8Array(e.length),i=0;i<e.length;i++)t[i]=e.charCodeAt(i);C.messages.clientCutText(this._sock,t)}}},{key:"_connect",value:function(){r.Debug(">> RFB.connect"),r.Info("connecting to "+this._url);try{this._sock.open(this._url,this._wsProtocols)}catch(e){"SyntaxError"===e.name?this._fail("Invalid host or port ("+e+")"):this._fail("Error when opening socket ("+e+")")}this._target.appendChild(this._screen),this._gestures.attach(this._canvas),this._cursor.attach(this._canvas),this._refreshCursor(),window.addEventListener("resize",this._eventHandlers.windowResize),this._canvas.addEventListener("mousedown",this._eventHandlers.focusCanvas),this._canvas.addEventListener("mousedown",this._eventHandlers.handleMouse),this._canvas.addEventListener("mouseup",this._eventHandlers.handleMouse),this._canvas.addEventListener("mousemove",this._eventHandlers.handleMouse),this._canvas.addEventListener("click",this._eventHandlers.handleMouse),this._canvas.addEventListener("contextmenu",this._eventHandlers.handleMouse),this._canvas.addEventListener("wheel",this._eventHandlers.handleWheel),this._canvas.addEventListener("gesturestart",this._eventHandlers.handleGesture),this._canvas.addEventListener("gesturemove",this._eventHandlers.handleGesture),this._canvas.addEventListener("gestureend",this._eventHandlers.handleGesture),r.Debug("<< RFB.connect")}},{key:"_disconnect",value:function(){r.Debug(">> RFB.disconnect"),this._cursor.detach(),this._canvas.removeEventListener("gesturestart",this._eventHandlers.handleGesture),this._canvas.removeEventListener("gesturemove",this._eventHandlers.handleGesture),this._canvas.removeEventListener("gestureend",this._eventHandlers.handleGesture),this._canvas.removeEventListener("wheel",this._eventHandlers.handleWheel),this._canvas.removeEventListener("mousedown",this._eventHandlers.handleMouse),this._canvas.removeEventListener("mouseup",this._eventHandlers.handleMouse),this._canvas.removeEventListener("mousemove",this._eventHandlers.handleMouse),this._canvas.removeEventListener("click",this._eventHandlers.handleMouse),this._canvas.removeEventListener("contextmenu",this._eventHandlers.handleMouse),this._canvas.removeEventListener("mousedown",this._eventHandlers.focusCanvas),this._canvas.removeEventListener("touchstart",this._eventHandlers.focusCanvas),window.removeEventListener("resize",this._eventHandlers.windowResize),this._keyboard.ungrab(),this._gestures.detach(),this._sock.close();try{this._target.removeChild(this._screen)}catch(e){if("NotFoundError"!==e.name)throw e}clearTimeout(this._resizeTimeout),clearTimeout(this._mouseMoveTimer),r.Debug("<< RFB.disconnect")}},{key:"_focusCanvas",value:function(e){this.focusOnClick&&this.focus()}},{key:"_setDesktopName",value:function(e){this._fbName=e,this.dispatchEvent(new CustomEvent("desktopname",{detail:{name:this._fbName}}))}},{key:"_windowResize",value:function(e){var t=this;window.requestAnimationFrame((function(){t._updateClip(),t._updateScale()})),this._resizeSession&&(clearTimeout(this._resizeTimeout),this._resizeTimeout=setTimeout(this._requestRemoteResize.bind(this),500))}},{key:"_updateClip",value:function(){var e=this._display.clipViewport,t=this._clipViewport;if(this._scaleViewport&&(t=!1),e!==t&&(this._display.clipViewport=t),t){var i=this._screenSize();this._display.viewportChangeSize(i.w,i.h),this._fixScrollbars()}}},{key:"_updateScale",value:function(){if(this._scaleViewport){var e=this._screenSize();this._display.autoscale(e.w,e.h)}else this._display.scale=1;this._fixScrollbars()}},{key:"_requestRemoteResize",value:function(){if(clearTimeout(this._resizeTimeout),this._resizeTimeout=null,this._resizeSession&&!this._viewOnly&&this._supportsSetDesktopSize){var e=this._screenSize();C.messages.setDesktopSize(this._sock,Math.floor(e.w),Math.floor(e.h),this._screenID,this._screenFlags),r.Debug("Requested new desktop size: "+e.w+"x"+e.h)}}},{key:"_screenSize",value:function(){var e=this._screen.getBoundingClientRect();return{w:e.width,h:e.height}}},{key:"_fixScrollbars",value:function(){var e=this._screen.style.overflow;this._screen.style.overflow="hidden",this._screen.getBoundingClientRect(),this._screen.style.overflow=e}},{key:"_updateConnectionState",value:function(e){var t=this,i=this._rfbConnectionState;if(e!==i)if("disconnected"!==i){switch(e){case"connected":if("connecting"!==i)return void r.Error("Bad transition to connected state, previous connection state: "+i);break;case"disconnected":if("disconnecting"!==i)return void r.Error("Bad transition to disconnected state, previous connection state: "+i);break;case"connecting":if(""!==i)return void r.Error("Bad transition to connecting state, previous connection state: "+i);break;case"disconnecting":if("connected"!==i&&"connecting"!==i)return void r.Error("Bad transition to disconnecting state, previous connection state: "+i);break;default:return void r.Error("Unknown connection state: "+e)}switch(this._rfbConnectionState=e,r.Debug("New state '"+e+"', was '"+i+"'."),this._disconnTimer&&"disconnecting"!==e&&(r.Debug("Clearing disconnect timer"),clearTimeout(this._disconnTimer),this._disconnTimer=null,this._sock.off("close")),e){case"connecting":this._connect();break;case"connected":this.dispatchEvent(new CustomEvent("connect",{detail:{}}));break;case"disconnecting":this._disconnect(),this._disconnTimer=setTimeout((function(){r.Error("Disconnection timed out."),t._updateConnectionState("disconnected")}),3e3);break;case"disconnected":this.dispatchEvent(new CustomEvent("disconnect",{detail:{clean:this._rfbCleanDisconnect}}))}}else r.Error("Tried changing state of a disconnected RFB object");else r.Debug("Already in state '"+e+"', ignoring")}},{key:"_fail",value:function(e){switch(this._rfbConnectionState){case"disconnecting":r.Error("Failed when disconnecting: "+e);break;case"connected":r.Error("Failed while connected: "+e);break;case"connecting":r.Error("Failed when connecting: "+e);break;default:r.Error("RFB failure: "+e)}return this._rfbCleanDisconnect=!1,this._updateConnectionState("disconnecting"),this._updateConnectionState("disconnected"),!1}},{key:"_setCapability",value:function(e,t){this._capabilities[e]=t,this.dispatchEvent(new CustomEvent("capabilities",{detail:{capabilities:this._capabilities}}))}},{key:"_handleMessage",value:function(){if(0!==this._sock.rQlen)switch(this._rfbConnectionState){case"disconnected":r.Error("Got data while disconnected");break;case"connected":for(;!this._flushing&&this._normalMsg()&&0!==this._sock.rQlen;);break;default:this._initMsg()}else r.Warn("handleMessage called on an empty receive queue")}},{key:"_handleKeyEvent",value:function(e,t,i){this.sendKey(e,t,i)}},{key:"_handleMouse",value:function(e){if(("click"!==e.type||e.target===this._canvas)&&(e.stopPropagation(),e.preventDefault(),"click"!==e.type&&"contextmenu"!==e.type)){var t=(0,o.clientToElement)(e.clientX,e.clientY,this._canvas);switch(e.type){case"mousedown":(0,u.setCapture)(this._canvas),this._handleMouseButton(t.x,t.y,!0,1<<e.button);break;case"mouseup":this._handleMouseButton(t.x,t.y,!1,1<<e.button);break;case"mousemove":this._handleMouseMove(t.x,t.y)}}}},{key:"_handleMouseButton",value:function(e,t,i,n){if(this.dragViewport){if(i&&!this._viewportDragging)return this._viewportDragging=!0,this._viewportDragPos={x:e,y:t},void(this._viewportHasMoved=!1);if(this._viewportDragging=!1,this._viewportHasMoved)return;this._sendMouse(e,t,n)}null!==this._mouseMoveTimer&&(clearTimeout(this._mouseMoveTimer),this._mouseMoveTimer=null,this._sendMouse(e,t,this._mouseButtonMask)),i?this._mouseButtonMask|=n:this._mouseButtonMask&=~n,this._sendMouse(e,t,this._mouseButtonMask)}},{key:"_handleMouseMove",value:function(e,t){var i=this;if(this._viewportDragging){var n=this._viewportDragPos.x-e,r=this._viewportDragPos.y-t;(this._viewportHasMoved||Math.abs(n)>a.dragThreshold||Math.abs(r)>a.dragThreshold)&&(this._viewportHasMoved=!0,this._viewportDragPos={x:e,y:t},this._display.viewportChangePos(n,r))}else if(this._mousePos={x:e,y:t},null==this._mouseMoveTimer){var s=Date.now()-this._mouseLastMoveTime;s>17?(this._sendMouse(e,t,this._mouseButtonMask),this._mouseLastMoveTime=Date.now()):this._mouseMoveTimer=setTimeout((function(){i._handleDelayedMouseMove()}),17-s)}}},{key:"_handleDelayedMouseMove",value:function(){this._mouseMoveTimer=null,this._sendMouse(this._mousePos.x,this._mousePos.y,this._mouseButtonMask),this._mouseLastMoveTime=Date.now()}},{key:"_sendMouse",value:function(e,t,i){"connected"===this._rfbConnectionState&&(this._viewOnly||C.messages.pointerEvent(this._sock,this._display.absX(e),this._display.absY(t),i))}},{key:"_handleWheel",value:function(e){if("connected"===this._rfbConnectionState&&!this._viewOnly){e.stopPropagation(),e.preventDefault();var t=(0,o.clientToElement)(e.clientX,e.clientY,this._canvas),i=e.deltaX,n=e.deltaY;0!==e.deltaMode&&(i*=19,n*=19),this._accumulatedWheelDeltaX+=i,this._accumulatedWheelDeltaY+=n,Math.abs(this._accumulatedWheelDeltaX)>=50&&(this._accumulatedWheelDeltaX<0?(this._handleMouseButton(t.x,t.y,!0,32),this._handleMouseButton(t.x,t.y,!1,32)):this._accumulatedWheelDeltaX>0&&(this._handleMouseButton(t.x,t.y,!0,64),this._handleMouseButton(t.x,t.y,!1,64)),this._accumulatedWheelDeltaX=0),Math.abs(this._accumulatedWheelDeltaY)>=50&&(this._accumulatedWheelDeltaY<0?(this._handleMouseButton(t.x,t.y,!0,8),this._handleMouseButton(t.x,t.y,!1,8)):this._accumulatedWheelDeltaY>0&&(this._handleMouseButton(t.x,t.y,!0,16),this._handleMouseButton(t.x,t.y,!1,16)),this._accumulatedWheelDeltaY=0)}}},{key:"_fakeMouseMove",value:function(e,t,i){this._handleMouseMove(t,i),this._cursor.move(e.detail.clientX,e.detail.clientY)}},{key:"_handleTapEvent",value:function(e,t){var i=(0,o.clientToElement)(e.detail.clientX,e.detail.clientY,this._canvas);if(null!==this._gestureLastTapTime&&Date.now()-this._gestureLastTapTime<1e3&&this._gestureFirstDoubleTapEv.detail.type===e.detail.type){var n=this._gestureFirstDoubleTapEv.detail.clientX-e.detail.clientX,r=this._gestureFirstDoubleTapEv.detail.clientY-e.detail.clientY;Math.hypot(n,r)<50?i=(0,o.clientToElement)(this._gestureFirstDoubleTapEv.detail.clientX,this._gestureFirstDoubleTapEv.detail.clientY,this._canvas):this._gestureFirstDoubleTapEv=e}else this._gestureFirstDoubleTapEv=e;this._gestureLastTapTime=Date.now(),this._fakeMouseMove(this._gestureFirstDoubleTapEv,i.x,i.y),this._handleMouseButton(i.x,i.y,!0,t),this._handleMouseButton(i.x,i.y,!1,t)}},{key:"_handleGesture",value:function(e){var t,i=(0,o.clientToElement)(e.detail.clientX,e.detail.clientY,this._canvas);switch(e.type){case"gesturestart":switch(e.detail.type){case"onetap":this._handleTapEvent(e,1);break;case"twotap":this._handleTapEvent(e,4);break;case"threetap":this._handleTapEvent(e,2);break;case"drag":this._fakeMouseMove(e,i.x,i.y),this._handleMouseButton(i.x,i.y,!0,1);break;case"longpress":this._fakeMouseMove(e,i.x,i.y),this._handleMouseButton(i.x,i.y,!0,4);break;case"twodrag":this._gestureLastMagnitudeX=e.detail.magnitudeX,this._gestureLastMagnitudeY=e.detail.magnitudeY,this._fakeMouseMove(e,i.x,i.y);break;case"pinch":this._gestureLastMagnitudeX=Math.hypot(e.detail.magnitudeX,e.detail.magnitudeY),this._fakeMouseMove(e,i.x,i.y)}break;case"gesturemove":switch(e.detail.type){case"onetap":case"twotap":case"threetap":break;case"drag":case"longpress":this._fakeMouseMove(e,i.x,i.y);break;case"twodrag":for(this._fakeMouseMove(e,i.x,i.y);e.detail.magnitudeY-this._gestureLastMagnitudeY>R;)this._handleMouseButton(i.x,i.y,!0,8),this._handleMouseButton(i.x,i.y,!1,8),this._gestureLastMagnitudeY+=R;for(;e.detail.magnitudeY-this._gestureLastMagnitudeY<-50;)this._handleMouseButton(i.x,i.y,!0,16),this._handleMouseButton(i.x,i.y,!1,16),this._gestureLastMagnitudeY-=R;for(;e.detail.magnitudeX-this._gestureLastMagnitudeX>R;)this._handleMouseButton(i.x,i.y,!0,32),this._handleMouseButton(i.x,i.y,!1,32),this._gestureLastMagnitudeX+=R;for(;e.detail.magnitudeX-this._gestureLastMagnitudeX<-50;)this._handleMouseButton(i.x,i.y,!0,64),this._handleMouseButton(i.x,i.y,!1,64),this._gestureLastMagnitudeX-=R;break;case"pinch":if(this._fakeMouseMove(e,i.x,i.y),t=Math.hypot(e.detail.magnitudeX,e.detail.magnitudeY),Math.abs(t-this._gestureLastMagnitudeX)>75){for(this._handleKeyEvent(y.default.XK_Control_L,"ControlLeft",!0);t-this._gestureLastMagnitudeX>75;)this._handleMouseButton(i.x,i.y,!0,8),this._handleMouseButton(i.x,i.y,!1,8),this._gestureLastMagnitudeX+=75;for(;t-this._gestureLastMagnitudeX<-75;)this._handleMouseButton(i.x,i.y,!0,16),this._handleMouseButton(i.x,i.y,!1,16),this._gestureLastMagnitudeX-=75}this._handleKeyEvent(y.default.XK_Control_L,"ControlLeft",!1)}break;case"gestureend":switch(e.detail.type){case"onetap":case"twotap":case"threetap":case"pinch":case"twodrag":break;case"drag":this._fakeMouseMove(e,i.x,i.y),this._handleMouseButton(i.x,i.y,!1,1);break;case"longpress":this._fakeMouseMove(e,i.x,i.y),this._handleMouseButton(i.x,i.y,!1,4)}}}},{key:"_negotiateProtocolVersion",value:function(){if(this._sock.rQwait("version",12))return!1;var e=this._sock.rQshiftStr(12).substr(4,7);r.Info("Server ProtocolVersion: "+e);var t=0;switch(e){case"000.000":t=1;break;case"003.003":case"003.006":case"003.889":this._rfbVersion=3.3;break;case"003.007":this._rfbVersion=3.7;break;case"003.008":case"004.000":case"004.001":case"005.000":this._rfbVersion=3.8;break;default:return this._fail("Invalid server version "+e)}if(t){for(var i="ID:"+this._repeaterID;i.length<250;)i+="\0";return this._sock.sendString(i),!0}this._rfbVersion>this._rfbMaxVersion&&(this._rfbVersion=this._rfbMaxVersion);var n="00"+parseInt(this._rfbVersion,10)+".00"+10*this._rfbVersion%10;this._sock.sendString("RFB "+n+"\n"),r.Debug("Sent ProtocolVersion: "+n),this._rfbInitState="Security"}},{key:"_negotiateSecurity",value:function(){function e(e,t){for(var i=0;i<t.length;i++)if(t[i]===e)return!0;return!1}if(this._rfbVersion>=3.7){var t=this._sock.rQshift8();if(this._sock.rQwait("security type",t,1))return!1;if(0===t)return this._rfbInitState="SecurityReason",this._securityContext="no security types",this._securityStatus=1,this._initMsg();var i=this._sock.rQshiftBytes(t);if(r.Debug("Server security types: "+i),e(1,i))this._rfbAuthScheme=1;else if(e(22,i))this._rfbAuthScheme=22;else if(e(16,i))this._rfbAuthScheme=16;else if(e(2,i))this._rfbAuthScheme=2;else{if(!e(19,i))return this._fail("Unsupported security types (types: "+i+")");this._rfbAuthScheme=19}this._sock.send([this._rfbAuthScheme])}else{if(this._sock.rQwait("security scheme",4))return!1;if(this._rfbAuthScheme=this._sock.rQshift32(),0==this._rfbAuthScheme)return this._rfbInitState="SecurityReason",this._securityContext="authentication scheme",this._securityStatus=1,this._initMsg()}return this._rfbInitState="Authentication",r.Debug("Authenticating using scheme: "+this._rfbAuthScheme),this._initMsg()}},{key:"_handleSecurityReason",value:function(){if(this._sock.rQwait("reason length",4))return!1;var e=this._sock.rQshift32(),t="";if(e>0){if(this._sock.rQwait("reason",e,4))return!1;t=this._sock.rQshiftStr(e)}return""!==t?(this.dispatchEvent(new CustomEvent("securityfailure",{detail:{status:this._securityStatus,reason:t}})),this._fail("Security negotiation failed on "+this._securityContext+" (reason: "+t+")")):(this.dispatchEvent(new CustomEvent("securityfailure",{detail:{status:this._securityStatus}})),this._fail("Security negotiation failed on "+this._securityContext))}},{key:"_negotiateXvpAuth",value:function(){if(void 0===this._rfbCredentials.username||void 0===this._rfbCredentials.password||void 0===this._rfbCredentials.target)return this.dispatchEvent(new CustomEvent("credentialsrequired",{detail:{types:["username","password","target"]}})),!1;var e=String.fromCharCode(this._rfbCredentials.username.length)+String.fromCharCode(this._rfbCredentials.target.length)+this._rfbCredentials.username+this._rfbCredentials.target;return this._sock.sendString(e),this._rfbAuthScheme=2,this._negotiateAuthentication()}},{key:"_negotiateVeNCryptAuth",value:function(){if(0==this._rfbVeNCryptState){if(this._sock.rQwait("vencrypt version",2))return!1;var e=this._sock.rQshift8(),t=this._sock.rQshift8();if(0!=e||2!=t)return this._fail("Unsupported VeNCrypt version "+e+"."+t);this._sock.send([0,2]),this._rfbVeNCryptState=1}if(1==this._rfbVeNCryptState){if(this._sock.rQwait("vencrypt ack",1))return!1;var i=this._sock.rQshift8();if(0!=i)return this._fail("VeNCrypt failure "+i);this._rfbVeNCryptState=2}if(2==this._rfbVeNCryptState){if(this._sock.rQwait("vencrypt subtypes length",1))return!1;var n=this._sock.rQshift8();if(n<1)return this._fail("VeNCrypt subtypes empty");this._rfbVeNCryptSubtypesLength=n,this._rfbVeNCryptState=3}if(3==this._rfbVeNCryptState){if(this._sock.rQwait("vencrypt subtypes",4*this._rfbVeNCryptSubtypesLength))return!1;for(var r=[],a=0;a<this._rfbVeNCryptSubtypesLength;a++)r.push(this._sock.rQshift32());if(-1==r.indexOf(256))return this._fail("VeNCrypt Plain subtype not offered by server");this._sock.send([0,0,1,0]),this._rfbVeNCryptState=4}if(4==this._rfbVeNCryptState){if(!this._rfbCredentials.username||!this._rfbCredentials.password)return this.dispatchEvent(new CustomEvent("credentialsrequired",{detail:{types:["username","password"]}})),!1;var o=(0,s.encodeUTF8)(this._rfbCredentials.username),u=(0,s.encodeUTF8)(this._rfbCredentials.password);return this._sock.send([0,0,0,o.length]),this._sock.send([0,0,0,u.length]),this._sock.sendString(o),this._sock.sendString(u),this._rfbInitState="SecurityResult",!0}}},{key:"_negotiateStdVNCAuth",value:function(){if(this._sock.rQwait("auth challenge",16))return!1;if(void 0===this._rfbCredentials.password)return this.dispatchEvent(new CustomEvent("credentialsrequired",{detail:{types:["password"]}})),!1;var e=Array.prototype.slice.call(this._sock.rQshiftBytes(16)),t=C.genDES(this._rfbCredentials.password,e);return this._sock.send(t),this._rfbInitState="SecurityResult",!0}},{key:"_negotiateTightUnixAuth",value:function(){return void 0===this._rfbCredentials.username||void 0===this._rfbCredentials.password?(this.dispatchEvent(new CustomEvent("credentialsrequired",{detail:{types:["username","password"]}})),!1):(this._sock.send([0,0,0,this._rfbCredentials.username.length]),this._sock.send([0,0,0,this._rfbCredentials.password.length]),this._sock.sendString(this._rfbCredentials.username),this._sock.sendString(this._rfbCredentials.password),this._rfbInitState="SecurityResult",!0)}},{key:"_negotiateTightTunnels",value:function(e){for(var t={vendor:"TGHT",signature:"NOTUNNEL"},i={},n=0;n<e;n++){var s=this._sock.rQshift32(),a=this._sock.rQshiftStr(4),o=this._sock.rQshiftStr(8);i[s]={vendor:a,signature:o}}return r.Debug("Server Tight tunnel types: "+i),i[1]&&"SICR"===i[1].vendor&&"SCHANNEL"===i[1].signature&&(r.Debug("Detected Siemens server. Assuming NOTUNNEL support."),i[0]={vendor:"TGHT",signature:"NOTUNNEL"}),i[0]?i[0].vendor!=t.vendor||i[0].signature!=t.signature?this._fail("Client's tunnel type had the incorrect vendor or signature"):(r.Debug("Selected tunnel type: "+t),this._sock.send([0,0,0,0]),!1):this._fail("Server wanted tunnels, but doesn't support the notunnel type")}},{key:"_negotiateTightAuth",value:function(){if(!this._rfbTightVNC){if(this._sock.rQwait("num tunnels",4))return!1;var e=this._sock.rQshift32();if(e>0&&this._sock.rQwait("tunnel capabilities",16*e,4))return!1;if(this._rfbTightVNC=!0,e>0)return this._negotiateTightTunnels(e),!1}if(this._sock.rQwait("sub auth count",4))return!1;var t=this._sock.rQshift32();if(0===t)return this._rfbInitState="SecurityResult",!0;if(this._sock.rQwait("sub auth capabilities",16*t,4))return!1;for(var i={STDVNOAUTH__:1,STDVVNCAUTH_:2,TGHTULGNAUTH:129},n=[],s=0;s<t;s++){this._sock.rQshift32();var a=this._sock.rQshiftStr(12);n.push(a)}for(var o in r.Debug("Server Tight authentication types: "+n),i)if(-1!=n.indexOf(o))switch(this._sock.send([0,0,0,i[o]]),r.Debug("Selected authentication type: "+o),o){case"STDVNOAUTH__":return this._rfbInitState="SecurityResult",!0;case"STDVVNCAUTH_":return this._rfbAuthScheme=2,this._initMsg();case"TGHTULGNAUTH":return this._rfbAuthScheme=129,this._initMsg();default:return this._fail("Unsupported tiny auth scheme (scheme: "+o+")")}return this._fail("No supported sub-auth types!")}},{key:"_negotiateAuthentication",value:function(){switch(this._rfbAuthScheme){case 1:return this._rfbVersion>=3.8?(this._rfbInitState="SecurityResult",!0):(this._rfbInitState="ClientInitialisation",this._initMsg());case 22:return this._negotiateXvpAuth();case 2:return this._negotiateStdVNCAuth();case 16:return this._negotiateTightAuth();case 19:return this._negotiateVeNCryptAuth();case 129:return this._negotiateTightUnixAuth();default:return this._fail("Unsupported auth scheme (scheme: "+this._rfbAuthScheme+")")}}},{key:"_handleSecurityResult",value:function(){if(this._sock.rQwait("VNC auth response ",4))return!1;var e=this._sock.rQshift32();return 0===e?(this._rfbInitState="ClientInitialisation",r.Debug("Authentication OK"),this._initMsg()):this._rfbVersion>=3.8?(this._rfbInitState="SecurityReason",this._securityContext="security result",this._securityStatus=e,this._initMsg()):(this.dispatchEvent(new CustomEvent("securityfailure",{detail:{status:e}})),this._fail("Security handshake failed"))}},{key:"_negotiateServerInit",value:function(){if(this._sock.rQwait("server initialization",24))return!1;var e=this._sock.rQshift16(),t=this._sock.rQshift16(),i=this._sock.rQshift8(),n=this._sock.rQshift8(),a=this._sock.rQshift8(),o=this._sock.rQshift8(),u=this._sock.rQshift16(),l=this._sock.rQshift16(),h=this._sock.rQshift16(),_=this._sock.rQshift8(),c=this._sock.rQshift8(),d=this._sock.rQshift8();this._sock.rQskipBytes(3);var f=this._sock.rQshift32();if(this._sock.rQwait("server init name",f,24))return!1;var p=this._sock.rQshiftStr(f);if(p=(0,s.decodeUTF8)(p,!0),this._rfbTightVNC){if(this._sock.rQwait("TightVNC extended server init header",8,24+f))return!1;var v=this._sock.rQshift16(),g=this._sock.rQshift16(),y=this._sock.rQshift16();this._sock.rQskipBytes(2);var b=16*(v+g+y);if(this._sock.rQwait("TightVNC extended server init header",b,32+f))return!1;this._sock.rQskipBytes(16*v),this._sock.rQskipBytes(16*g),this._sock.rQskipBytes(16*y)}return r.Info("Screen: "+e+"x"+t+", bpp: "+i+", depth: "+n+", bigEndian: "+a+", trueColor: "+o+", redMax: "+u+", greenMax: "+l+", blueMax: "+h+", redShift: "+_+", greenShift: "+c+", blueShift: "+d),this._setDesktopName(p),this._resize(e,t),this._viewOnly||this._keyboard.grab(),this._fbDepth=24,"Intel(r) AMT KVM"===this._fbName&&(r.Warn("Intel AMT KVM only supports 8/16 bit depths. Using low color mode."),this._fbDepth=8),C.messages.pixelFormat(this._sock,this._fbDepth,!0),this._sendEncodings(),C.messages.fbUpdateRequest(this._sock,!1,0,0,this._fbWidth,this._fbHeight),this._updateConnectionState("connected"),!0}},{key:"_sendEncodings",value:function(){var e=[];e.push(m.encodings.encodingCopyRect),24==this._fbDepth&&(e.push(m.encodings.encodingTight),e.push(m.encodings.encodingTightPNG),e.push(m.encodings.encodingHextile),e.push(m.encodings.encodingRRE)),e.push(m.encodings.encodingRaw),e.push(m.encodings.pseudoEncodingQualityLevel0+this._qualityLevel),e.push(m.encodings.pseudoEncodingCompressLevel0+this._compressionLevel),e.push(m.encodings.pseudoEncodingDesktopSize),e.push(m.encodings.pseudoEncodingLastRect),e.push(m.encodings.pseudoEncodingQEMUExtendedKeyEvent),e.push(m.encodings.pseudoEncodingExtendedDesktopSize),e.push(m.encodings.pseudoEncodingXvp),e.push(m.encodings.pseudoEncodingFence),e.push(m.encodings.pseudoEncodingContinuousUpdates),e.push(m.encodings.pseudoEncodingDesktopName),e.push(m.encodings.pseudoEncodingExtendedClipboard),24==this._fbDepth&&(e.push(m.encodings.pseudoEncodingVMwareCursor),e.push(m.encodings.pseudoEncodingCursor)),C.messages.clientEncodings(this._sock,e)}},{key:"_initMsg",value:function(){switch(this._rfbInitState){case"ProtocolVersion":return this._negotiateProtocolVersion();case"Security":return this._negotiateSecurity();case"Authentication":return this._negotiateAuthentication();case"SecurityResult":return this._handleSecurityResult();case"SecurityReason":return this._handleSecurityReason();case"ClientInitialisation":return this._sock.send([this._shared?1:0]),this._rfbInitState="ServerInitialisation",!0;case"ServerInitialisation":return this._negotiateServerInit();default:return this._fail("Unknown init state (state: "+this._rfbInitState+")")}}},{key:"_handleSetColourMapMsg",value:function(){return r.Debug("SetColorMapEntries"),this._fail("Unexpected SetColorMapEntries message")}},{key:"_handleServerCutText",value:function(){if(r.Debug("ServerCutText"),this._sock.rQwait("ServerCutText header",7,1))return!1;this._sock.rQskipBytes(3);var e=this._sock.rQshift32();if(e=(0,n.toSigned32bit)(e),this._sock.rQwait("ServerCutText content",Math.abs(e),8))return!1;if(e>=0){var t=this._sock.rQshiftStr(e);if(this._viewOnly)return!0;this.dispatchEvent(new CustomEvent("clipboard",{detail:{text:t}}))}else{e=Math.abs(e);var i=this._sock.rQshift32(),a=65535&i,o=4278190080&i;if(o&Q){this._clipboardServerCapabilitiesFormats={},this._clipboardServerCapabilitiesActions={};for(var u=0;u<=15;u++){var l=1<<u;a&l&&(this._clipboardServerCapabilitiesFormats[l]=!0,this._sock.rQshift32())}for(var h=24;h<=31;h++){var c=1<<h;this._clipboardServerCapabilitiesActions[c]=!!(o&c)}var d=[Q,O,B,U,I];C.messages.extendedClipboardCaps(this._sock,d,{extendedClipboardFormatText:0})}else if(o===O){if(this._viewOnly)return!0;null!=this._clipboardText&&this._clipboardServerCapabilitiesActions[268435456]&&1&a&&C.messages.extendedClipboardProvide(this._sock,[1],[this._clipboardText])}else if(o===B){if(this._viewOnly)return!0;this._clipboardServerCapabilitiesActions[134217728]&&(null!=this._clipboardText?C.messages.extendedClipboardNotify(this._sock,[1]):C.messages.extendedClipboardNotify(this._sock,[]))}else if(o===U){if(this._viewOnly)return!0;this._clipboardServerCapabilitiesActions[33554432]&&1&a&&C.messages.extendedClipboardRequest(this._sock,[1])}else{if(o!==I)return this._fail("Unexpected action in extended clipboard message: "+o);if(this._viewOnly)return!0;if(!(1&a))return!0;this._clipboardText=null;var f=this._sock.rQshiftBytes(e-4),p=new _.default,v=null;p.setInput(f);for(var g=0;g<=15;g++){var y=1<<g;if(a&y){var b=0,m=p.inflate(4);b|=m[0]<<24,b|=m[1]<<16,b|=m[2]<<8,b|=m[3];var w=p.inflate(b);1===y&&(v=w)}}if(p.setInput(null),null!==v){for(var k="",X=0;X<v.length;X++)k+=String.fromCharCode(v[X]);v=k,(v=(0,s.decodeUTF8)(v)).length>0&&"\0"===v.charAt(v.length-1)&&(v=v.slice(0,-1)),v=v.replace("\r\n","\n"),this.dispatchEvent(new CustomEvent("clipboard",{detail:{text:v}}))}}}return!0}},{key:"_handleServerFenceMsg",value:function(){if(this._sock.rQwait("ServerFence header",8,1))return!1;this._sock.rQskipBytes(3);var e=this._sock.rQshift32(),t=this._sock.rQshift8();if(this._sock.rQwait("ServerFence payload",t,9))return!1;t>64&&(r.Warn("Bad payload length ("+t+") in fence response"),t=64);var i=this._sock.rQshiftStr(t);return this._supportsFence=!0,e&1<<31?(e&=3,C.messages.clientFence(this._sock,e,i),!0):this._fail("Unexpected fence response")}},{key:"_handleXvpMsg",value:function(){if(this._sock.rQwait("XVP version and message",3,1))return!1;this._sock.rQskipBytes(1);var e=this._sock.rQshift8(),t=this._sock.rQshift8();switch(t){case 0:r.Error("XVP Operation Failed");break;case 1:this._rfbXvpVer=e,r.Info("XVP extensions enabled (version "+this._rfbXvpVer+")"),this._setCapability("power",!0);break;default:this._fail("Illegal server XVP message (msg: "+t+")")}return!0}},{key:"_normalMsg",value:function(){var e,t,i;switch(e=this._FBU.rects>0?0:this._sock.rQshift8()){case 0:return(i=this._framebufferUpdate())&&!this._enabledContinuousUpdates&&C.messages.fbUpdateRequest(this._sock,!0,0,0,this._fbWidth,this._fbHeight),i;case 1:return this._handleSetColourMapMsg();case 2:return r.Debug("Bell"),this.dispatchEvent(new CustomEvent("bell",{detail:{}})),!0;case 3:return this._handleServerCutText();case 150:return t=!this._supportsContinuousUpdates,this._supportsContinuousUpdates=!0,this._enabledContinuousUpdates=!1,t&&(this._enabledContinuousUpdates=!0,this._updateContinuousUpdates(),r.Info("Enabling continuous updates.")),!0;case 248:return this._handleServerFenceMsg();case 250:return this._handleXvpMsg();default:return this._fail("Unexpected server message (type "+e+")"),r.Debug("sock.rQslice(0, 30): "+this._sock.rQslice(0,30)),!0}}},{key:"_onFlush",value:function(){this._flushing=!1,this._sock.rQlen>0&&this._handleMessage()}},{key:"_framebufferUpdate",value:function(){if(0===this._FBU.rects){if(this._sock.rQwait("FBU header",3,1))return!1;if(this._sock.rQskipBytes(1),this._FBU.rects=this._sock.rQshift16(),this._display.pending())return this._flushing=!0,this._display.flush(),!1}for(;this._FBU.rects>0;){if(null===this._FBU.encoding){if(this._sock.rQwait("rect header",12))return!1;var e=this._sock.rQshiftBytes(12);this._FBU.x=(e[0]<<8)+e[1],this._FBU.y=(e[2]<<8)+e[3],this._FBU.width=(e[4]<<8)+e[5],this._FBU.height=(e[6]<<8)+e[7],this._FBU.encoding=parseInt((e[8]<<24)+(e[9]<<16)+(e[10]<<8)+e[11],10)}if(!this._handleRect())return!1;this._FBU.rects--,this._FBU.encoding=null}return this._display.flip(),!0}},{key:"_handleRect",value:function(){switch(this._FBU.encoding){case m.encodings.pseudoEncodingLastRect:return this._FBU.rects=1,!0;case m.encodings.pseudoEncodingVMwareCursor:return this._handleVMwareCursor();case m.encodings.pseudoEncodingCursor:return this._handleCursor();case m.encodings.pseudoEncodingQEMUExtendedKeyEvent:try{void 0!==document.createEvent("keyboardEvent").code&&(this._qemuExtKeyEventSupported=!0)}catch(e){}return!0;case m.encodings.pseudoEncodingDesktopName:return this._handleDesktopName();case m.encodings.pseudoEncodingDesktopSize:return this._resize(this._FBU.width,this._FBU.height),!0;case m.encodings.pseudoEncodingExtendedDesktopSize:return this._handleExtendedDesktopSize();default:return this._handleDataRect()}}},{key:"_handleVMwareCursor",value:function(){var e=this._FBU.x,t=this._FBU.y,i=this._FBU.width,n=this._FBU.height;if(this._sock.rQwait("VMware cursor encoding",1))return!1;var s,a=this._sock.rQshift8();if(this._sock.rQshift8(),0==a){var o=-256;if(s=new Array(i*n*4),this._sock.rQwait("VMware cursor classic encoding",i*n*4*2,2))return!1;for(var u=new Array(i*n),l=0;l<i*n;l++)u[l]=this._sock.rQshift32();for(var h=new Array(i*n),_=0;_<i*n;_++)h[_]=this._sock.rQshift32();for(var c=0;c<i*n;c++)if(0==u[c]){var d=h[c],f=d>>8&255,p=d>>16&255,v=d>>24&255;s[4*c]=f,s[4*c+1]=p,s[4*c+2]=v,s[4*c+3]=255}else(u[c]&o)==o?0==h[c]?(s[4*c]=0,s[4*c+1]=0,s[4*c+2]=0,s[4*c+3]=0):(h[c],s[4*c]=0,s[4*c+1]=0,s[4*c+2]=0,s[4*c+3]=255):(s[4*c]=0,s[4*c+1]=0,s[4*c+2]=0,s[4*c+3]=255)}else{if(1!=a)return r.Warn("The given cursor type is not supported: "+a+" given."),!1;if(this._sock.rQwait("VMware cursor alpha encoding",i*n*4,2))return!1;s=new Array(i*n*4);for(var g=0;g<i*n;g++){var y=this._sock.rQshift32();s[4*g]=y>>24&255,s[4*g+1]=y>>16&255,s[4*g+2]=y>>8&255,s[4*g+3]=255&y}}return this._updateCursor(s,e,t,i,n),!0}},{key:"_handleCursor",value:function(){var e=this._FBU.x,t=this._FBU.y,i=this._FBU.width,n=this._FBU.height,r=i*n*4,s=Math.ceil(i/8)*n,a=r+s;if(this._sock.rQwait("cursor encoding",a))return!1;for(var o=this._sock.rQshiftBytes(r),u=this._sock.rQshiftBytes(s),l=new Uint8Array(i*n*4),h=0,_=0;_<n;_++)for(var c=0;c<i;c++){var d=u[_*Math.ceil(i/8)+Math.floor(c/8)]<<c%8&128?255:0;l[h]=o[h+2],l[h+1]=o[h+1],l[h+2]=o[h],l[h+3]=d,h+=4}return this._updateCursor(l,e,t,i,n),!0}},{key:"_handleDesktopName",value:function(){if(this._sock.rQwait("DesktopName",4))return!1;var e=this._sock.rQshift32();if(this._sock.rQwait("DesktopName",e,4))return!1;var t=this._sock.rQshiftStr(e);return t=(0,s.decodeUTF8)(t,!0),this._setDesktopName(t),!0}},{key:"_handleExtendedDesktopSize",value:function(){if(this._sock.rQwait("ExtendedDesktopSize",4))return!1;var e=this._sock.rQpeek8(),t=4+16*e;if(this._sock.rQwait("ExtendedDesktopSize",t))return!1;var i=!this._supportsSetDesktopSize;this._supportsSetDesktopSize=!0,i&&this._requestRemoteResize(),this._sock.rQskipBytes(1),this._sock.rQskipBytes(3);for(var n=0;n<e;n+=1)0===n?(this._screenID=this._sock.rQshiftBytes(4),this._sock.rQskipBytes(2),this._sock.rQskipBytes(2),this._sock.rQskipBytes(2),this._sock.rQskipBytes(2),this._screenFlags=this._sock.rQshiftBytes(4)):this._sock.rQskipBytes(16);if(1===this._FBU.x&&0!==this._FBU.y){var s="";switch(this._FBU.y){case 1:s="Resize is administratively prohibited";break;case 2:s="Out of resources";break;case 3:s="Invalid screen layout";break;default:s="Unknown reason"}r.Warn("Server did not accept the resize request: "+s)}else this._resize(this._FBU.width,this._FBU.height);return!0}},{key:"_handleDataRect",value:function(){var e=this._decoders[this._FBU.encoding];if(!e)return this._fail("Unsupported encoding (encoding: "+this._FBU.encoding+")"),!1;try{return e.decodeRect(this._FBU.x,this._FBU.y,this._FBU.width,this._FBU.height,this._sock,this._display,this._fbDepth)}catch(e){return this._fail("Error decoding rect: "+e),!1}}},{key:"_updateContinuousUpdates",value:function(){this._enabledContinuousUpdates&&C.messages.enableContinuousUpdates(this._sock,!0,0,0,this._fbWidth,this._fbHeight)}},{key:"_resize",value:function(e,t){this._fbWidth=e,this._fbHeight=t,this._display.resize(this._fbWidth,this._fbHeight),this._updateClip(),this._updateScale(),this._updateContinuousUpdates()}},{key:"_xvpOp",value:function(e,t){this._rfbXvpVer<e||(r.Info("Sending XVP operation "+t+" (version "+e+")"),C.messages.xvpOp(this._sock,e,t))}},{key:"_updateCursor",value:function(e,t,i,n,r){this._cursorImage={rgbaPixels:e,hotx:t,hoty:i,w:n,h:r},this._refreshCursor()}},{key:"_shouldShowDotCursor",value:function(){if(!this._showDotCursor)return!1;for(var e=3;e<this._cursorImage.rgbaPixels.length;e+=4)if(this._cursorImage.rgbaPixels[e])return!1;return!0}},{key:"_refreshCursor",value:function(){if("connecting"===this._rfbConnectionState||"connected"===this._rfbConnectionState){var 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