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https://github.com/retspen/webvirtcloud
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novnc is updated to 1.0.0 and add console views: lite,full option
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catborise
parent
019d1523cd
commit
edb59947af
124 changed files with 32809 additions and 9005 deletions
288
static/js/novnc/core/input/mouse.js
Executable file
288
static/js/novnc/core/input/mouse.js
Executable file
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = Mouse;
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var _logging = require('../util/logging.js');
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var Log = _interopRequireWildcard(_logging);
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var _browser = require('../util/browser.js');
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var _events = require('../util/events.js');
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
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var WHEEL_STEP = 10; // Delta threshold for a mouse wheel step
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/*
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* noVNC: HTML5 VNC client
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* Copyright (C) 2012 Joel Martin
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* Copyright (C) 2013 Samuel Mannehed for Cendio AB
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* Licensed under MPL 2.0 or any later version (see LICENSE.txt)
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*/
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var WHEEL_STEP_TIMEOUT = 50; // ms
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var WHEEL_LINE_HEIGHT = 19;
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function Mouse(target) {
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this._target = target || document;
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this._doubleClickTimer = null;
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this._lastTouchPos = null;
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this._pos = null;
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this._wheelStepXTimer = null;
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this._wheelStepYTimer = null;
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this._accumulatedWheelDeltaX = 0;
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this._accumulatedWheelDeltaY = 0;
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this._eventHandlers = {
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'mousedown': this._handleMouseDown.bind(this),
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'mouseup': this._handleMouseUp.bind(this),
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'mousemove': this._handleMouseMove.bind(this),
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'mousewheel': this._handleMouseWheel.bind(this),
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'mousedisable': this._handleMouseDisable.bind(this)
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};
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};
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Mouse.prototype = {
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// ===== PROPERTIES =====
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touchButton: 1, // Button mask (1, 2, 4) for touch devices (0 means ignore clicks)
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// ===== EVENT HANDLERS =====
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onmousebutton: function () {}, // Handler for mouse button click/release
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onmousemove: function () {}, // Handler for mouse movement
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// ===== PRIVATE METHODS =====
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_resetDoubleClickTimer: function () {
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this._doubleClickTimer = null;
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},
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_handleMouseButton: function (e, down) {
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this._updateMousePosition(e);
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var pos = this._pos;
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var bmask;
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if (e.touches || e.changedTouches) {
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// Touch device
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// When two touches occur within 500 ms of each other and are
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// close enough together a double click is triggered.
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if (down == 1) {
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if (this._doubleClickTimer === null) {
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this._lastTouchPos = pos;
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} else {
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clearTimeout(this._doubleClickTimer);
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// When the distance between the two touches is small enough
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// force the position of the latter touch to the position of
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// the first.
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var xs = this._lastTouchPos.x - pos.x;
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var ys = this._lastTouchPos.y - pos.y;
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var d = Math.sqrt(xs * xs + ys * ys);
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// The goal is to trigger on a certain physical width, the
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// devicePixelRatio brings us a bit closer but is not optimal.
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var threshold = 20 * (window.devicePixelRatio || 1);
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if (d < threshold) {
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pos = this._lastTouchPos;
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}
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}
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this._doubleClickTimer = setTimeout(this._resetDoubleClickTimer.bind(this), 500);
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}
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bmask = this.touchButton;
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// If bmask is set
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} else if (e.which) {
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/* everything except IE */
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bmask = 1 << e.button;
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} else {
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/* IE including 9 */
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bmask = (e.button & 0x1) + // Left
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(e.button & 0x2) * 2 + // Right
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(e.button & 0x4) / 2; // Middle
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}
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Log.Debug("onmousebutton " + (down ? "down" : "up") + ", x: " + pos.x + ", y: " + pos.y + ", bmask: " + bmask);
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this.onmousebutton(pos.x, pos.y, down, bmask);
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(0, _events.stopEvent)(e);
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},
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_handleMouseDown: function (e) {
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// Touch events have implicit capture
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if (e.type === "mousedown") {
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(0, _events.setCapture)(this._target);
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}
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this._handleMouseButton(e, 1);
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},
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_handleMouseUp: function (e) {
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this._handleMouseButton(e, 0);
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},
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// Mouse wheel events are sent in steps over VNC. This means that the VNC
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// protocol can't handle a wheel event with specific distance or speed.
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// Therefor, if we get a lot of small mouse wheel events we combine them.
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_generateWheelStepX: function () {
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if (this._accumulatedWheelDeltaX < 0) {
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this.onmousebutton(this._pos.x, this._pos.y, 1, 1 << 5);
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this.onmousebutton(this._pos.x, this._pos.y, 0, 1 << 5);
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} else if (this._accumulatedWheelDeltaX > 0) {
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this.onmousebutton(this._pos.x, this._pos.y, 1, 1 << 6);
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this.onmousebutton(this._pos.x, this._pos.y, 0, 1 << 6);
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}
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this._accumulatedWheelDeltaX = 0;
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},
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_generateWheelStepY: function () {
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if (this._accumulatedWheelDeltaY < 0) {
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this.onmousebutton(this._pos.x, this._pos.y, 1, 1 << 3);
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this.onmousebutton(this._pos.x, this._pos.y, 0, 1 << 3);
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} else if (this._accumulatedWheelDeltaY > 0) {
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this.onmousebutton(this._pos.x, this._pos.y, 1, 1 << 4);
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this.onmousebutton(this._pos.x, this._pos.y, 0, 1 << 4);
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}
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this._accumulatedWheelDeltaY = 0;
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},
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_resetWheelStepTimers: function () {
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window.clearTimeout(this._wheelStepXTimer);
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window.clearTimeout(this._wheelStepYTimer);
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this._wheelStepXTimer = null;
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this._wheelStepYTimer = null;
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},
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_handleMouseWheel: function (e) {
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this._resetWheelStepTimers();
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this._updateMousePosition(e);
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var dX = e.deltaX;
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var dY = e.deltaY;
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// Pixel units unless it's non-zero.
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// Note that if deltamode is line or page won't matter since we aren't
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// sending the mouse wheel delta to the server anyway.
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// The difference between pixel and line can be important however since
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// we have a threshold that can be smaller than the line height.
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if (e.deltaMode !== 0) {
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dX *= WHEEL_LINE_HEIGHT;
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dY *= WHEEL_LINE_HEIGHT;
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}
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this._accumulatedWheelDeltaX += dX;
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this._accumulatedWheelDeltaY += dY;
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// Generate a mouse wheel step event when the accumulated delta
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// for one of the axes is large enough.
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// Small delta events that do not pass the threshold get sent
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// after a timeout.
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if (Math.abs(this._accumulatedWheelDeltaX) > WHEEL_STEP) {
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this._generateWheelStepX();
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} else {
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this._wheelStepXTimer = window.setTimeout(this._generateWheelStepX.bind(this), WHEEL_STEP_TIMEOUT);
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}
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if (Math.abs(this._accumulatedWheelDeltaY) > WHEEL_STEP) {
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this._generateWheelStepY();
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} else {
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this._wheelStepYTimer = window.setTimeout(this._generateWheelStepY.bind(this), WHEEL_STEP_TIMEOUT);
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}
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(0, _events.stopEvent)(e);
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},
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_handleMouseMove: function (e) {
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this._updateMousePosition(e);
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this.onmousemove(this._pos.x, this._pos.y);
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(0, _events.stopEvent)(e);
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},
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_handleMouseDisable: function (e) {
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/*
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* Stop propagation if inside canvas area
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* Note: This is only needed for the 'click' event as it fails
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* to fire properly for the target element so we have
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* to listen on the document element instead.
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*/
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if (e.target == this._target) {
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(0, _events.stopEvent)(e);
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}
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},
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// Update coordinates relative to target
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_updateMousePosition: function (e) {
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e = (0, _events.getPointerEvent)(e);
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var bounds = this._target.getBoundingClientRect();
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var x, y;
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// Clip to target bounds
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if (e.clientX < bounds.left) {
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x = 0;
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} else if (e.clientX >= bounds.right) {
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x = bounds.width - 1;
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} else {
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x = e.clientX - bounds.left;
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}
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if (e.clientY < bounds.top) {
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y = 0;
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} else if (e.clientY >= bounds.bottom) {
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y = bounds.height - 1;
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} else {
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y = e.clientY - bounds.top;
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}
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this._pos = { x: x, y: y };
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},
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// ===== PUBLIC METHODS =====
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grab: function () {
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var c = this._target;
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if (_browser.isTouchDevice) {
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c.addEventListener('touchstart', this._eventHandlers.mousedown);
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c.addEventListener('touchend', this._eventHandlers.mouseup);
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c.addEventListener('touchmove', this._eventHandlers.mousemove);
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}
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c.addEventListener('mousedown', this._eventHandlers.mousedown);
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c.addEventListener('mouseup', this._eventHandlers.mouseup);
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c.addEventListener('mousemove', this._eventHandlers.mousemove);
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c.addEventListener('wheel', this._eventHandlers.mousewheel);
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/* Prevent middle-click pasting (see above for why we bind to document) */
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document.addEventListener('click', this._eventHandlers.mousedisable);
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/* preventDefault() on mousedown doesn't stop this event for some
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reason so we have to explicitly block it */
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c.addEventListener('contextmenu', this._eventHandlers.mousedisable);
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},
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ungrab: function () {
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var c = this._target;
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this._resetWheelStepTimers();
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if (_browser.isTouchDevice) {
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c.removeEventListener('touchstart', this._eventHandlers.mousedown);
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c.removeEventListener('touchend', this._eventHandlers.mouseup);
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c.removeEventListener('touchmove', this._eventHandlers.mousemove);
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}
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c.removeEventListener('mousedown', this._eventHandlers.mousedown);
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c.removeEventListener('mouseup', this._eventHandlers.mouseup);
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c.removeEventListener('mousemove', this._eventHandlers.mousemove);
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c.removeEventListener('wheel', this._eventHandlers.mousewheel);
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document.removeEventListener('click', this._eventHandlers.mousedisable);
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c.removeEventListener('contextmenu', this._eventHandlers.mousedisable);
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}
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};
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