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diff --git a/webclients/novnc/include/input.js b/webclients/novnc/include/input.js
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-/*
- * noVNC: HTML5 VNC client
- * Copyright (C) 2012 Joel Martin
- * Copyright (C) 2013 Samuel Mannehed for Cendio AB
- * Licensed under MPL 2.0 or any later version (see LICENSE.txt)
- */
-
-/*jslint browser: true, white: false */
-/*global window, Util */
-
-var Keyboard, Mouse;
-
-(function () {
- "use strict";
-
- //
- // Keyboard event handler
- //
-
- Keyboard = function (defaults) {
- this._keyDownList = []; // List of depressed keys
- // (even if they are happy)
-
- Util.set_defaults(this, defaults, {
- 'target': document,
- 'focused': true
- });
-
- // create the keyboard handler
- this._handler = new KeyEventDecoder(kbdUtil.ModifierSync(),
- VerifyCharModifier( /* jshint newcap: false */
- TrackKeyState(
- EscapeModifiers(this._handleRfbEvent.bind(this))
- )
- )
- ); /* jshint newcap: true */
-
- // keep these here so we can refer to them later
- this._eventHandlers = {
- 'keyup': this._handleKeyUp.bind(this),
- 'keydown': this._handleKeyDown.bind(this),
- 'keypress': this._handleKeyPress.bind(this),
- 'blur': this._allKeysUp.bind(this)
- };
- };
-
- Keyboard.prototype = {
- // private methods
-
- _handleRfbEvent: function (e) {
- if (this._onKeyPress) {
- Util.Debug("onKeyPress " + (e.type == 'keydown' ? "down" : "up") +
- ", keysym: " + e.keysym.keysym + "(" + e.keysym.keyname + ")");
- this._onKeyPress(e.keysym.keysym, e.type == 'keydown');
- }
- },
-
- _handleKeyDown: function (e) {
- if (!this._focused) { return true; }
-
- if (this._handler.keydown(e)) {
- // Suppress bubbling/default actions
- Util.stopEvent(e);
- return false;
- } else {
- // Allow the event to bubble and become a keyPress event which
- // will have the character code translated
- return true;
- }
- },
-
- _handleKeyPress: function (e) {
- if (!this._focused) { return true; }
-
- if (this._handler.keypress(e)) {
- // Suppress bubbling/default actions
- Util.stopEvent(e);
- return false;
- } else {
- // Allow the event to bubble and become a keyPress event which
- // will have the character code translated
- return true;
- }
- },
-
- _handleKeyUp: function (e) {
- if (!this._focused) { return true; }
-
- if (this._handler.keyup(e)) {
- // Suppress bubbling/default actions
- Util.stopEvent(e);
- return false;
- } else {
- // Allow the event to bubble and become a keyPress event which
- // will have the character code translated
- return true;
- }
- },
-
- _allKeysUp: function () {
- Util.Debug(">> Keyboard.allKeysUp");
- this._handler.releaseAll();
- Util.Debug("<< Keyboard.allKeysUp");
- },
-
- // Public methods
-
- grab: function () {
- //Util.Debug(">> Keyboard.grab");
- var c = this._target;
-
- Util.addEvent(c, 'keydown', this._eventHandlers.keydown);
- Util.addEvent(c, 'keyup', this._eventHandlers.keyup);
- Util.addEvent(c, 'keypress', this._eventHandlers.keypress);
-
- // Release (key up) if window loses focus
- Util.addEvent(window, 'blur', this._eventHandlers.blur);
-
- //Util.Debug("<< Keyboard.grab");
- },
-
- ungrab: function () {
- //Util.Debug(">> Keyboard.ungrab");
- var c = this._target;
-
- Util.removeEvent(c, 'keydown', this._eventHandlers.keydown);
- Util.removeEvent(c, 'keyup', this._eventHandlers.keyup);
- Util.removeEvent(c, 'keypress', this._eventHandlers.keypress);
- Util.removeEvent(window, 'blur', this._eventHandlers.blur);
-
- // Release (key up) all keys that are in a down state
- this._allKeysUp();
-
- //Util.Debug(">> Keyboard.ungrab");
- },
-
- sync: function (e) {
- this._handler.syncModifiers(e);
- }
- };
-
- Util.make_properties(Keyboard, [
- ['target', 'wo', 'dom'], // DOM element that captures keyboard input
- ['focused', 'rw', 'bool'], // Capture and send key events
-
- ['onKeyPress', 'rw', 'func'] // Handler for key press/release
- ]);
-
- //
- // Mouse event handler
- //
-
- Mouse = function (defaults) {
- this._mouseCaptured = false;
-
- this._doubleClickTimer = null;
- this._lastTouchPos = null;
-
- // Configuration attributes
- Util.set_defaults(this, defaults, {
- 'target': document,
- 'focused': true,
- 'scale': 1.0,
- 'touchButton': 1
- });
-
- this._eventHandlers = {
- 'mousedown': this._handleMouseDown.bind(this),
- 'mouseup': this._handleMouseUp.bind(this),
- 'mousemove': this._handleMouseMove.bind(this),
- 'mousewheel': this._handleMouseWheel.bind(this),
- 'mousedisable': this._handleMouseDisable.bind(this)
- };
- };
-
- Mouse.prototype = {
- // private methods
- _captureMouse: function () {
- // capturing the mouse ensures we get the mouseup event
- if (this._target.setCapture) {
- this._target.setCapture();
- }
-
- // some browsers give us mouseup events regardless,
- // so if we never captured the mouse, we can disregard the event
- this._mouseCaptured = true;
- },
-
- _releaseMouse: function () {
- if (this._target.releaseCapture) {
- this._target.releaseCapture();
- }
- this._mouseCaptured = false;
- },
-
- _resetDoubleClickTimer: function () {
- this._doubleClickTimer = null;
- },
-
- _handleMouseButton: function (e, down) {
- if (!this._focused) { return true; }
-
- if (this._notify) {
- this._notify(e);
- }
-
- var evt = (e ? e : window.event);
- var pos = Util.getEventPosition(e, this._target, this._scale);
-
- var bmask;
- if (e.touches || e.changedTouches) {
- // Touch device
-
- // When two touches occur within 500 ms of each other and are
- // closer than 20 pixels together a double click is triggered.
- if (down == 1) {
- if (this._doubleClickTimer === null) {
- this._lastTouchPos = pos;
- } else {
- clearTimeout(this._doubleClickTimer);
-
- // When the distance between the two touches is small enough
- // force the position of the latter touch to the position of
- // the first.
-
- var xs = this._lastTouchPos.x - pos.x;
- var ys = this._lastTouchPos.y - pos.y;
- var d = Math.sqrt((xs * xs) + (ys * ys));
-
- // The goal is to trigger on a certain physical width, the
- // devicePixelRatio brings us a bit closer but is not optimal.
- if (d < 20 * window.devicePixelRatio) {
- pos = this._lastTouchPos;
- }
- }
- this._doubleClickTimer = setTimeout(this._resetDoubleClickTimer.bind(this), 500);
- }
- bmask = this._touchButton;
- // If bmask is set
- } else if (evt.which) {
- /* everything except IE */
- bmask = 1 << evt.button;
- } else {
- /* IE including 9 */
- bmask = (evt.button & 0x1) + // Left
- (evt.button & 0x2) * 2 + // Right
- (evt.button & 0x4) / 2; // Middle
- }
-
- if (this._onMouseButton) {
- Util.Debug("onMouseButton " + (down ? "down" : "up") +
- ", x: " + pos.x + ", y: " + pos.y + ", bmask: " + bmask);
- this._onMouseButton(pos.x, pos.y, down, bmask);
- }
- Util.stopEvent(e);
- return false;
- },
-
- _handleMouseDown: function (e) {
- this._captureMouse();
- this._handleMouseButton(e, 1);
- },
-
- _handleMouseUp: function (e) {
- if (!this._mouseCaptured) { return; }
-
- this._handleMouseButton(e, 0);
- this._releaseMouse();
- },
-
- _handleMouseWheel: function (e) {
- if (!this._focused) { return true; }
-
- if (this._notify) {
- this._notify(e);
- }
-
- var evt = (e ? e : window.event);
- var pos = Util.getEventPosition(e, this._target, this._scale);
- var wheelData = evt.detail ? evt.detail * -1 : evt.wheelDelta / 40;
- var bmask;
- if (wheelData > 0) {
- bmask = 1 << 3;
- } else {
- bmask = 1 << 4;
- }
-
- if (this._onMouseButton) {
- this._onMouseButton(pos.x, pos.y, 1, bmask);
- this._onMouseButton(pos.x, pos.y, 0, bmask);
- }
- Util.stopEvent(e);
- return false;
- },
-
- _handleMouseMove: function (e) {
- if (! this._focused) { return true; }
-
- if (this._notify) {
- this._notify(e);
- }
-
- var evt = (e ? e : window.event);
- var pos = Util.getEventPosition(e, this._target, this._scale);
- if (this._onMouseMove) {
- this._onMouseMove(pos.x, pos.y);
- }
- Util.stopEvent(e);
- return false;
- },
-
- _handleMouseDisable: function (e) {
- if (!this._focused) { return true; }
-
- var evt = (e ? e : window.event);
- var pos = Util.getEventPosition(e, this._target, this._scale);
-
- /* Stop propagation if inside canvas area */
- if ((pos.realx >= 0) && (pos.realy >= 0) &&
- (pos.realx < this._target.offsetWidth) &&
- (pos.realy < this._target.offsetHeight)) {
- //Util.Debug("mouse event disabled");
- Util.stopEvent(e);
- return false;
- }
-
- return true;
- },
-
-
- // Public methods
- grab: function () {
- var c = this._target;
-
- if ('ontouchstart' in document.documentElement) {
- Util.addEvent(c, 'touchstart', this._eventHandlers.mousedown);
- Util.addEvent(window, 'touchend', this._eventHandlers.mouseup);
- Util.addEvent(c, 'touchend', this._eventHandlers.mouseup);
- Util.addEvent(c, 'touchmove', this._eventHandlers.mousemove);
- } else {
- Util.addEvent(c, 'mousedown', this._eventHandlers.mousedown);
- Util.addEvent(window, 'mouseup', this._eventHandlers.mouseup);
- Util.addEvent(c, 'mouseup', this._eventHandlers.mouseup);
- Util.addEvent(c, 'mousemove', this._eventHandlers.mousemove);
- Util.addEvent(c, (Util.Engine.gecko) ? 'DOMMouseScroll' : 'mousewheel',
- this._eventHandlers.mousewheel);
- }
-
- /* Work around right and middle click browser behaviors */
- Util.addEvent(document, 'click', this._eventHandlers.mousedisable);
- Util.addEvent(document.body, 'contextmenu', this._eventHandlers.mousedisable);
- },
-
- ungrab: function () {
- var c = this._target;
-
- if ('ontouchstart' in document.documentElement) {
- Util.removeEvent(c, 'touchstart', this._eventHandlers.mousedown);
- Util.removeEvent(window, 'touchend', this._eventHandlers.mouseup);
- Util.removeEvent(c, 'touchend', this._eventHandlers.mouseup);
- Util.removeEvent(c, 'touchmove', this._eventHandlers.mousemove);
- } else {
- Util.removeEvent(c, 'mousedown', this._eventHandlers.mousedown);
- Util.removeEvent(window, 'mouseup', this._eventHandlers.mouseup);
- Util.removeEvent(c, 'mouseup', this._eventHandlers.mouseup);
- Util.removeEvent(c, 'mousemove', this._eventHandlers.mousemove);
- Util.removeEvent(c, (Util.Engine.gecko) ? 'DOMMouseScroll' : 'mousewheel',
- this._eventHandlers.mousewheel);
- }
-
- /* Work around right and middle click browser behaviors */
- Util.removeEvent(document, 'click', this._eventHandlers.mousedisable);
- Util.removeEvent(document.body, 'contextmenu', this._eventHandlers.mousedisable);
-
- }
- };
-
- Util.make_properties(Mouse, [
- ['target', 'ro', 'dom'], // DOM element that captures mouse input
- ['notify', 'ro', 'func'], // Function to call to notify whenever a mouse event is received
- ['focused', 'rw', 'bool'], // Capture and send mouse clicks/movement
- ['scale', 'rw', 'float'], // Viewport scale factor 0.0 - 1.0
-
- ['onMouseButton', 'rw', 'func'], // Handler for mouse button click/release
- ['onMouseMove', 'rw', 'func'], // Handler for mouse movement
- ['touchButton', 'rw', 'int'] // Button mask (1, 2, 4) for touch devices (0 means ignore clicks)
- ]);
-})();
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