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MeshCentral/public/scripts/agent-desktop-0.0.2.js

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Initial main commit
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/**
* @description Remote Desktop
* @author Ylian Saint-Hilaire
* @version v0.0.2g
*/
// Construct a MeshServer object
var CreateAgentRemoteDesktop = function (canvasid, scrolldiv) {
var obj = {}
obj.CanvasId = canvasid;
if (typeof canvasid === 'string') obj.CanvasId = Q(canvasid);
obj.Canvas = obj.CanvasId.getContext("2d");
obj.scrolldiv = scrolldiv;
obj.State = 0;
obj.PendingOperations = [];
obj.tilesReceived = 0;
obj.TilesDrawn = 0;
obj.KillDraw = 0;
obj.ipad = false;
obj.tabletKeyboardVisible = false;
obj.LastX = 0;
obj.LastY = 0;
obj.touchenabled = 0;
obj.submenuoffset = 0;
obj.touchtimer = null;
obj.TouchArray = {};
obj.connectmode = 0; // 0 = HTTP, 1 = WebSocket, 2 = WebRTC
obj.connectioncount = 0;
obj.rotation = 0;
obj.protocol = 2; // KVM
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obj.debugmode = 0;
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obj.firstUpKeys = [];
obj.stopInput = false;
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obj.sessionid = 0;
obj.username;
obj.oldie = false;
obj.CompressionLevel = 50;
obj.ScalingLevel = 1024;
obj.FrameRateTimer = 50;
obj.FirstDraw = false;
obj.ScreenWidth = 960;
obj.ScreenHeight = 700;
obj.width = 960;
obj.height = 960;
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obj.onScreenSizeChange = null;
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obj.onMessage = null;
obj.onConnectCountChanged = null;
obj.onDebugMessage = null;
obj.onTouchEnabledChanged = null;
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obj.onDisplayinfo = null;
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obj.Start = function () {
obj.State = 0;
}
obj.Stop = function () {
obj.setRotation(0);
obj.UnGrabKeyInput();
obj.UnGrabMouseInput();
obj.touchenabled = 0;
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if (obj.onScreenSizeChange != null) obj.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId);
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obj.Canvas.clearRect(0, 0, obj.CanvasId.width, obj.CanvasId.height);
}
obj.xxStateChange = function (newstate) {
if (obj.State == newstate) return;
obj.State = newstate;
//console.log('xxStateChange', newstate);
switch (newstate) {
case 0: {
// Disconnect
obj.Stop();
break;
}
case 3: {
// Websocket connected
break;
}
}
}
obj.Send = function (x) {
//console.log("KSend(" + x.length + "): " + rstr2hex(x));
obj.parent.Send(x);
}
// KVM Control.
// Routines for processing incoming packets from the AJAX server, and handling individual messages.
obj.ProcessPictureMsg = function (str, X, Y) {
//if (obj.targetnode != null) obj.Debug("ProcessPictureMsg " + X + "," + Y + " - " + obj.targetnode.substring(0, 8));
var tile = new Image();
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tile.xcount = obj.tilesReceived++;
//console.log('Tile #' + tile.xcount);
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var r = obj.tilesReceived;
tile.src = "data:image/jpeg;base64," + btoa(str.substring(4, str.length));
tile.onload = function () {
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//console.log('DecodeTile #' + this.xcount);
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if (obj.Canvas != null && obj.KillDraw < r && obj.State != 0) {
obj.PendingOperations.push([r, 2, tile, X, Y]);
while (obj.DoPendingOperations()) { }
}
}
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tile.error = function () { console.log('DecodeTileError'); }
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}
obj.DoPendingOperations = function () {
if (obj.PendingOperations.length == 0) return false;
for (var i = 0; i < obj.PendingOperations.length; i++) { // && KillDraw < tilesDrawn
var Msg = obj.PendingOperations[i];
if (Msg[0] == (obj.TilesDrawn + 1)) {
if (Msg[1] == 1) { obj.ProcessCopyRectMsg(Msg[2]); }
else if (Msg[1] == 2) { obj.Canvas.drawImage(Msg[2], obj.rotX(Msg[3], Msg[4]), obj.rotY(Msg[3], Msg[4])); delete Msg[2]; }
obj.PendingOperations.splice(i, 1);
delete Msg;
obj.TilesDrawn++;
if (obj.TilesDrawn == obj.tilesReceived && obj.KillDraw < obj.TilesDrawn) { obj.KillDraw = obj.TilesDrawn = obj.tilesReceived = 0; }
return true;
}
}
if (obj.oldie && obj.PendingOperations.length > 0) { obj.TilesDrawn++; }
return false;
}
obj.ProcessCopyRectMsg = function (str) {
var SX = ((str.charCodeAt(0) & 0xFF) << 8) + (str.charCodeAt(1) & 0xFF);
var SY = ((str.charCodeAt(2) & 0xFF) << 8) + (str.charCodeAt(3) & 0xFF);
var DX = ((str.charCodeAt(4) & 0xFF) << 8) + (str.charCodeAt(5) & 0xFF);
var DY = ((str.charCodeAt(6) & 0xFF) << 8) + (str.charCodeAt(7) & 0xFF);
var WIDTH = ((str.charCodeAt(8) & 0xFF) << 8) + (str.charCodeAt(9) & 0xFF);
var HEIGHT = ((str.charCodeAt(10) & 0xFF) << 8) + (str.charCodeAt(11) & 0xFF);
obj.Canvas.drawImage(Canvas.canvas, SX, SY, WIDTH, HEIGHT, DX, DY, WIDTH, HEIGHT);
}
obj.SendUnPause = function () {
//obj.Debug("SendUnPause");
//obj.xxStateChange(3);
obj.Send(String.fromCharCode(0x00, 0x08, 0x00, 0x05, 0x00));
}
obj.SendPause = function () {
//obj.Debug("SendPause");
//obj.xxStateChange(2);
obj.Send(String.fromCharCode(0x00, 0x08, 0x00, 0x05, 0x01));
}
obj.SendCompressionLevel = function (type, level, scaling, frametimer) {
if (level) { obj.CompressionLevel = level; }
if (scaling) { obj.ScalingLevel = scaling; }
if (frametimer) { obj.FrameRateTimer = frametimer; }
obj.Send(String.fromCharCode(0x00, 0x05, 0x00, 0x0A, type, obj.CompressionLevel) + obj.shortToStr(obj.ScalingLevel) + obj.shortToStr(obj.FrameRateTimer));
}
obj.SendRefresh = function () {
obj.Send(String.fromCharCode(0x00, 0x06, 0x00, 0x04));
}
obj.ProcessScreenMsg = function (width, height) {
//obj.Debug("ProcessScreenMsg: " + width + " x " + height);
obj.Canvas.setTransform(1, 0, 0, 1, 0, 0);
obj.rotation = 0;
obj.FirstDraw = true;
obj.ScreenWidth = obj.width = width;
obj.ScreenHeight = obj.height = height;
obj.KillDraw = obj.tilesReceived;
while (obj.PendingOperations.length > 0) { obj.PendingOperations.shift(); }
obj.SendCompressionLevel(1);
obj.SendUnPause();
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if (obj.onScreenSizeChange != null) { obj.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId); }
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}
obj.ProcessData = function (str) {
if (str.length < 4) return;
var cmdmsg = null, X = 0, Y = 0, command = ReadShort(str, 0), cmdsize = ReadShort(str, 2);
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if (command >= 18) { console.error("Invalid KVM command " + command + " of size " + cmdsize); console.log("Invalid KVM data", str.length, str, rstr2hex(str)); return; }
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if (cmdsize > str.length) { console.error("KVM invalid command size", cmdsize, str.length); return; }
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//meshOnDebug("KVM Command: " + command + " Len:" + cmdsize);
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if (obj.debugmode == 1) { console.log("KVM Command: " + command + " Len:" + cmdsize); }
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if (command == 3 || command == 4 || command == 7) {
cmdmsg = str.substring(4, cmdsize);
X = ((cmdmsg.charCodeAt(0) & 0xFF) << 8) + (cmdmsg.charCodeAt(1) & 0xFF);
Y = ((cmdmsg.charCodeAt(2) & 0xFF) << 8) + (cmdmsg.charCodeAt(3) & 0xFF);
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//if (obj.debugmode == 1) { console.log("X=" + X + " Y=" + Y); }
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}
switch (command) {
case 3: // Tile
if (obj.FirstDraw) obj.onResize();
obj.ProcessPictureMsg(cmdmsg, X, Y);
break;
case 4: // Tile Copy
if (obj.FirstDraw) obj.onResize();
if (obj.TilesDrawn == obj.tilesReceived) {
obj.ProcessCopyRectMsg(cmdmsg);
} else {
obj.PendingOperations.push([ ++tilesReceived, 1, cmdmsg ]);
}
break;
case 7: // Screen size
obj.ProcessScreenMsg(X, Y);
obj.SendKeyMsgKC(obj.KeyAction.UP, 16); // Shift
obj.SendKeyMsgKC(obj.KeyAction.UP, 17); // Ctrl
obj.SendKeyMsgKC(obj.KeyAction.UP, 18); // Alt
obj.SendKeyMsgKC(obj.KeyAction.UP, 91); // Left-Windows
obj.SendKeyMsgKC(obj.KeyAction.UP, 92); // Right-Windows
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obj.SendKeyMsgKC(obj.KeyAction.UP, 16); // Shift
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obj.Send(String.fromCharCode(0x00, 0x0E, 0x00, 0x04));
break;
case 11: // GetDisplays
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var myOptions = [], dcount = ((str.charCodeAt(4) & 0xFF) << 8) + (str.charCodeAt(5) & 0xFF);
if (dcount > 0) {
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// Many displays present
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var selitem = 0, seldisp = ((str.charCodeAt(6 + (dcount * 2)) & 0xFF) << 8) + (str.charCodeAt(7 + (dcount * 2)) & 0xFF);
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for (var i = 0; i < dcount; i++) {
var disp = ((str.charCodeAt(6 + (i * 2)) & 0xFF) << 8) + (str.charCodeAt(7 + (i * 2)) & 0xFF);
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if (disp == 65535) { myOptions.push('All Displays'); } else { myOptions.push('Display ' + disp); }
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if (disp == seldisp) selitem = i;
}
}
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if (obj.onDisplayinfo != null) { obj.onDisplayinfo(obj, myOptions, selitem); }
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break;
case 12: // SetDisplay
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//console.log('SetDisplayConfirmed');
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break;
case 14: // KVM_INIT_TOUCH
obj.touchenabled = 1;
obj.TouchArray = {};
if (obj.onTouchEnabledChanged != null) obj.onTouchEnabledChanged(obj.touchenabled);
break;
case 15: // KVM_TOUCH
obj.TouchArray = {};
break;
case 16: // MNG_KVM_CONNECTCOUNT
obj.connectioncount = ReadInt(str, 4);
//obj.Debug("Got KVM Connect Count: " + obj.connectioncount);
if (obj.onConnectCountChanged != null) obj.onConnectCountChanged(obj.connectioncount, obj);
break;
case 17: // MNG_KVM_MESSAGE
//obj.Debug("Got KVM Message: " + str.substring(4, cmdsize));
if (obj.onMessage != null) obj.onMessage(str.substring(4, cmdsize), obj);
break;
}
}
// Keyboard and Mouse I/O.
obj.MouseButton = { "NONE": 0x00, "LEFT": 0x02, "RIGHT": 0x08, "MIDDLE": 0x20 };
obj.KeyAction = { "NONE": 0, "DOWN": 1, "UP": 2, "SCROLL": 3, "EXUP": 4, "EXDOWN": 5 };
obj.InputType = { "KEY": 1, "MOUSE": 2, "CTRLALTDEL": 10, "TOUCH": 15 };
obj.Alternate = 0;
obj.SendKeyMsg = function (action, event) {
if (action == null) return;
if (!event) { var event = window.event; }
var kc = event.keyCode;
if (kc == 0x3B) kc = 0xBA; // ';' key
obj.SendKeyMsgKC(action, kc);
}
obj.SendMessage = function (msg) {
if (obj.State == 3) obj.Send(String.fromCharCode(0x00, 0x11) + obj.shortToStr(4 + msg.length) + msg); // 0x11 = 17 MNG_KVM_MESSAGE
}
obj.SendKeyMsgKC = function (action, kc) {
if (obj.State == 3) obj.Send(String.fromCharCode(0x00, obj.InputType.KEY, 0x00, 0x06, (action - 1), kc));
}
obj.sendcad = function() { obj.SendCtrlAltDelMsg(); }
obj.SendCtrlAltDelMsg = function () {
if (obj.State == 3) { obj.Send(String.fromCharCode(0x00, obj.InputType.CTRLALTDEL, 0x00, 0x04)); }
}
obj.SendEscKey = function () {
if (obj.State == 3) obj.Send(String.fromCharCode(0x00, obj.InputType.KEY, 0x00, 0x06, 0x00, 0x1B, 0x00, obj.InputType.KEY, 0x00, 0x06, 0x01, 0x1B));
}
obj.SendStartMsg = function () {
obj.SendKeyMsgKC(obj.KeyAction.EXDOWN, 0x5B); // L-Windows
obj.SendKeyMsgKC(obj.KeyAction.EXUP, 0x5B); // L-Windows
}
obj.SendCharmsMsg = function () {
obj.SendKeyMsgKC(obj.KeyAction.EXDOWN, 0x5B); // L-Windows
obj.SendKeyMsgKC(obj.KeyAction.DOWN, 67); // C
obj.SendKeyMsgKC(obj.KeyAction.UP, 67); // C
obj.SendKeyMsgKC(obj.KeyAction.EXUP, 0x5B); // L-Windows
}
obj.SendTouchMsg1 = function (id, flags, x, y) {
if (obj.State == 3) obj.Send(String.fromCharCode(0x00, obj.InputType.TOUCH) + obj.shortToStr(14) + String.fromCharCode(0x01, id) + obj.intToStr(flags) + obj.shortToStr(x) + obj.shortToStr(y));
}
obj.SendTouchMsg2 = function (id, flags) {
var msg = '';
var flags2;
var str = "TOUCHSEND: ";
for (var k in obj.TouchArray) {
if (k == id) { flags2 = flags; } else {
if (obj.TouchArray[k].f == 1) { flags2 = 0x00010000 | 0x00000002 | 0x00000004; obj.TouchArray[k].f = 3; str += "START" + k; } // POINTER_FLAG_DOWN
else if (obj.TouchArray[k].f == 2) { flags2 = 0x00040000; str += "STOP" + k; } // POINTER_FLAG_UP
else flags2 = 0x00000002 | 0x00000004 | 0x00020000; // POINTER_FLAG_UPDATE
}
msg += String.fromCharCode(k) + obj.intToStr(flags2) + obj.shortToStr(obj.TouchArray[k].x) + obj.shortToStr(obj.TouchArray[k].y);
if (obj.TouchArray[k].f == 2) delete obj.TouchArray[k];
}
if (obj.State == 3) obj.Send(String.fromCharCode(0x00, obj.InputType.TOUCH) + obj.shortToStr(5 + msg.length) + String.fromCharCode(0x02) + msg);
if (Object.keys(obj.TouchArray).length == 0 && obj.touchtimer != null) { clearInterval(obj.touchtimer); obj.touchtimer = null; }
}
obj.SendMouseMsg = function (Action, event) {
if (obj.State != 3) return;
if (Action != null && obj.Canvas != null) {
if (!event) { var event = window.event; }
var ScaleFactorHeight = (obj.Canvas.canvas.height / obj.CanvasId.clientHeight);
var ScaleFactorWidth = (obj.Canvas.canvas.width / obj.CanvasId.clientWidth);
var Offsets = obj.GetPositionOfControl(obj.Canvas.canvas);
var X = ((event.pageX - Offsets[0]) * ScaleFactorWidth);
var Y = ((event.pageY - Offsets[1]) * ScaleFactorHeight);
if (X >= 0 && X <= obj.Canvas.canvas.width && Y >= 0 && Y <= obj.Canvas.canvas.height) {
var Button = 0;
var Delta = 0;
if (Action == obj.KeyAction.UP || Action == obj.KeyAction.DOWN) {
if (event.which) { ((event.which == 1) ? (Button = obj.MouseButton.LEFT) : ((event.which == 2) ? (Button = obj.MouseButton.MIDDLE) : (Button = obj.MouseButton.RIGHT))); }
else if (event.button) { ((event.button == 0) ? (Button = obj.MouseButton.LEFT) : ((event.button == 1) ? (Button = obj.MouseButton.MIDDLE) : (Button = obj.MouseButton.RIGHT))); }
}
else if (Action == obj.KeyAction.SCROLL) {
if (event.detail) { Delta = (-1 * (event.detail * 120)); } else if (event.wheelDelta) { Delta = (event.wheelDelta * 3); }
}
var MouseMsg = "";
if (Action == obj.KeyAction.SCROLL) MouseMsg = String.fromCharCode(0x00, obj.InputType.MOUSE, 0x00, 0x0C, 0x00, ((Action == obj.KeyAction.DOWN) ? Button : ((Button * 2) & 0xFF)), ((X / 256) & 0xFF), (X & 0xFF), ((Y / 256) & 0xFF), (Y & 0xFF), ((Delta / 256) & 0xFF), (Delta & 0xFF));
else MouseMsg = String.fromCharCode(0x00, obj.InputType.MOUSE, 0x00, 0x0A, 0x00, ((Action == obj.KeyAction.DOWN) ? Button : ((Button * 2) & 0xFF)), ((X / 256) & 0xFF), (X & 0xFF), ((Y / 256) & 0xFF), (Y & 0xFF));
if (obj.Action == obj.KeyAction.NONE) { if (obj.Alternate == 0 || obj.ipad) { obj.Send(MouseMsg); obj.Alternate = 1; } else { obj.Alternate = 0; } } else { obj.Send(MouseMsg); }
}
}
}
obj.GetDisplayNumbers = function () { obj.Send(String.fromCharCode(0x00, 0x0B, 0x00, 0x04)); } // Get Terminal display
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obj.SetDisplay = function (number) { obj.Send(String.fromCharCode(0x00, 0x0C, 0x00, 0x06, number >> 8, number & 0xFF)); } // Set Terminal display
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obj.intToStr = function (x) { return String.fromCharCode((x >> 24) & 0xFF, (x >> 16) & 0xFF, (x >> 8) & 0xFF, x & 0xFF); }
obj.shortToStr = function (x) { return String.fromCharCode((x >> 8) & 0xFF, x & 0xFF); }
obj.onResize = function () {
if (obj.ScreenWidth == 0 || obj.ScreenHeight == 0) return;
if (obj.Canvas.canvas.width == obj.ScreenWidth && obj.Canvas.canvas.height == obj.ScreenHeight) return;
if (obj.FirstDraw) {
obj.Canvas.canvas.width = obj.ScreenWidth;
obj.Canvas.canvas.height = obj.ScreenHeight;
obj.Canvas.fillRect(0, 0, obj.ScreenWidth, obj.ScreenHeight);
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if (obj.onScreenSizeChange != null) obj.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId);
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}
obj.FirstDraw = false;
//obj.Debug("onResize: " + obj.ScreenWidth + " x " + obj.ScreenHeight);
}
obj.xxMouseInputGrab = false;
obj.xxKeyInputGrab = false;
obj.xxMouseMove = function (e) { if (obj.State == 3) obj.SendMouseMsg(obj.KeyAction.NONE, e); if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
obj.xxMouseUp = function (e) { if (obj.State == 3) obj.SendMouseMsg(obj.KeyAction.UP, e); if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
obj.xxMouseDown = function (e) { if (obj.State == 3) obj.SendMouseMsg(obj.KeyAction.DOWN, e); if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
obj.xxDOMMouseScroll = function (e) { if (obj.State == 3) { obj.SendMouseMsg(obj.KeyAction.SCROLL, e); return false; } return true; }
obj.xxMouseWheel = function (e) { if (obj.State == 3) { obj.SendMouseMsg(obj.KeyAction.SCROLL, e); return false; } return true; }
obj.xxKeyUp = function (e) { if (obj.State == 3) { obj.SendKeyMsg(obj.KeyAction.UP, e); } if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
obj.xxKeyDown = function (e) { if (obj.State == 3) { obj.SendKeyMsg(obj.KeyAction.DOWN, e); } if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
obj.xxKeyPress = function (e) { if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
// Key handlers
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obj.handleKeys = function (e) { if (obj.stopInput == true || desktop.State != 3) return false; return obj.xxKeyPress(e); }
obj.handleKeyUp = function (e) {
if (obj.stopInput == true || desktop.State != 3) return false;
if (obj.firstUpKeys.length < 5) {
obj.firstUpKeys.push(e.keyCode);
if ((obj.firstUpKeys.length == 5)) { var j = obj.firstUpKeys.join(','); if ((j == '16,17,91,91,16') || (j == '16,17,18,91,92')) { obj.stopInput = true; } }
} return obj.xxKeyUp(e);
}
obj.handleKeyDown = function (e) { if (obj.stopInput == true || desktop.State != 3) return false; return obj.xxKeyDown(e); }
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// Mouse handlers
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obj.mousedown = function (e) { if (obj.stopInput == true) return false; return obj.xxMouseDown(e); }
obj.mouseup = function (e) { if (obj.stopInput == true) return false; return obj.xxMouseUp(e); }
obj.mousemove = function (e) { if (obj.stopInput == true) return false; return obj.xxMouseMove(e); }
obj.mousewheel = function (e) { if (obj.stopInput == true) return false; return obj.xxMouseWheel(e); }
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obj.xxMsTouchEvent = function (evt) {
if (evt.originalEvent.pointerType == 4) return; // If this is a mouse pointer, ignore this event. Touch & pen are ok.
if (evt.preventDefault) evt.preventDefault();
if (evt.stopPropagation) evt.stopPropagation();
if (evt.type == 'MSPointerDown' || evt.type == 'MSPointerMove' || evt.type == 'MSPointerUp') {
var flags = 0;
var id = evt.originalEvent.pointerId % 256;
var X = evt.offsetX * (Canvas.canvas.width / obj.CanvasId.clientWidth);
var Y = evt.offsetY * (Canvas.canvas.height / obj.CanvasId.clientHeight);
if (evt.type == 'MSPointerDown') flags = 0x00010000 | 0x00000002 | 0x00000004; // POINTER_FLAG_DOWN
else if (evt.type == 'MSPointerMove') {
//if (obj.TouchArray[id] && MuchTheSame(obj.TouchArray[id].x, X) && MuchTheSame(obj.TouchArray[id].y, Y)) return;
flags = 0x00020000 | 0x00000002 | 0x00000004; // POINTER_FLAG_UPDATE
}
else if (evt.type == 'MSPointerUp') flags = 0x00040000; // POINTER_FLAG_UP
if (!obj.TouchArray[id]) obj.TouchArray[id] = { x: X, y : Y };
obj.SendTouchMsg2(id, flags)
if (evt.type == 'MSPointerUp') delete obj.TouchArray[id];
} else {
alert(evt.type);
}
return true;
}
obj.xxTouchStart = function (e) {
if (obj.State != 3) return;
if (e.preventDefault) e.preventDefault();
if (obj.touchenabled == 0 || obj.touchenabled == 1) {
if (e.originalEvent.touches.length > 1) return;
var t = e.originalEvent.touches[0];
e.which = 1;
obj.LastX = e.pageX = t.pageX;
obj.LastY = e.pageY = t.pageY;
obj.SendMouseMsg(KeyAction.DOWN, e);
} else {
var Offsets = obj.GetPositionOfControl(Canvas.canvas);
for (var i in e.originalEvent.changedTouches) {
if (!e.originalEvent.changedTouches[i].identifier) continue;
var id = e.originalEvent.changedTouches[i].identifier % 256;
if (!obj.TouchArray[id]) { obj.TouchArray[id] = { x: (e.originalEvent.touches[i].pageX - Offsets[0]) * (Canvas.canvas.width / obj.CanvasId.clientWidth), y: (e.originalEvent.touches[i].pageY - Offsets[1]) * (Canvas.canvas.height / obj.CanvasId.clientHeight), f: 1 }; }
}
if (Object.keys(obj.TouchArray).length > 0 && touchtimer == null) { obj.touchtimer = setInterval(function () { obj.SendTouchMsg2(256, 0); }, 50); }
}
}
obj.xxTouchMove = function (e) {
if (obj.State != 3) return;
if (e.preventDefault) e.preventDefault();
if (obj.touchenabled == 0 || obj.touchenabled == 1) {
if (e.originalEvent.touches.length > 1) return;
var t = e.originalEvent.touches[0];
e.which = 1;
obj.LastX = e.pageX = t.pageX;
obj.LastY = e.pageY = t.pageY;
obj.SendMouseMsg(obj.KeyAction.NONE, e);
} else {
var Offsets = obj.GetPositionOfControl(Canvas.canvas);
for (var i in e.originalEvent.changedTouches) {
if (!e.originalEvent.changedTouches[i].identifier) continue;
var id = e.originalEvent.changedTouches[i].identifier % 256;
if (obj.TouchArray[id]) {
obj.TouchArray[id].x = (e.originalEvent.touches[i].pageX - Offsets[0]) * (obj.Canvas.canvas.width / obj.CanvasId.clientWidth);
obj.TouchArray[id].y = (e.originalEvent.touches[i].pageY - Offsets[1]) * (obj.Canvas.canvas.height / obj.CanvasId.clientHeight);
}
}
}
}
obj.xxTouchEnd = function (e) {
if (obj.State != 3) return;
if (e.preventDefault) e.preventDefault();
if (obj.touchenabled == 0 || obj.touchenabled == 1) {
if (e.originalEvent.touches.length > 1) return;
e.which = 1;
e.pageX = LastX;
e.pageY = LastY;
obj.SendMouseMsg(KeyAction.UP, e);
} else {
for (var i in e.originalEvent.changedTouches) {
if (!e.originalEvent.changedTouches[i].identifier) continue;
var id = e.originalEvent.changedTouches[i].identifier % 256;
if (obj.TouchArray[id]) obj.TouchArray[id].f = 2;
}
}
}
obj.GrabMouseInput = function () {
if (obj.xxMouseInputGrab == true) return;
var c = obj.CanvasId;
c.onmousemove = obj.xxMouseMove;
c.onmouseup = obj.xxMouseUp;
c.onmousedown = obj.xxMouseDown;
c.touchstart = obj.xxTouchStart;
c.touchmove = obj.xxTouchMove;
c.touchend = obj.xxTouchEnd;
c.MSPointerDown = obj.xxMsTouchEvent;
c.MSPointerMove = obj.xxMsTouchEvent;
c.MSPointerUp = obj.xxMsTouchEvent;
if (navigator.userAgent.match(/mozilla/i)) c.DOMMouseScroll = obj.xxDOMMouseScroll; else c.onmousewheel = obj.xxMouseWheel;
obj.xxMouseInputGrab = true;
}
obj.UnGrabMouseInput = function () {
if (obj.xxMouseInputGrab == false) return;
var c = obj.CanvasId;
c.onmousemove = null;
c.onmouseup = null;
c.onmousedown = null;
c.touchstart = null;
c.touchmove = null;
c.touchend = null;
c.MSPointerDown = null;
c.MSPointerMove = null;
c.MSPointerUp = null;
if (navigator.userAgent.match(/mozilla/i)) c.DOMMouseScroll = null; else c.onmousewheel = null;
obj.xxMouseInputGrab = false;
}
obj.GrabKeyInput = function () {
if (obj.xxKeyInputGrab == true) return;
document.onkeyup = obj.xxKeyUp;
document.onkeydown = obj.xxKeyDown;
document.onkeypress = obj.xxKeyPress;
obj.xxKeyInputGrab = true;
}
obj.UnGrabKeyInput = function () {
if (obj.xxKeyInputGrab == false) return;
document.onkeyup = null;
document.onkeydown = null;
document.onkeypress = null;
obj.xxKeyInputGrab = false;
}
obj.GetPositionOfControl = function (Control) {
var Position = Array(2);
Position[0] = Position[1] = 0;
while (Control) { Position[0] += Control.offsetLeft; Position[1] += Control.offsetTop; Control = Control.offsetParent; }
return Position;
}
obj.crotX = function (x, y) {
if (obj.rotation == 0) return x;
if (obj.rotation == 1) return y;
if (obj.rotation == 2) return obj.Canvas.canvas.width - x;
if (obj.rotation == 3) return obj.Canvas.canvas.height - y;
}
obj.crotY = function (x, y) {
if (obj.rotation == 0) return y;
if (obj.rotation == 1) return obj.Canvas.canvas.width - x;
if (obj.rotation == 2) return obj.Canvas.canvas.height - y;
if (obj.rotation == 3) return x;
}
obj.rotX = function (x, y) {
if (obj.rotation == 0 || obj.rotation == 1) return x;
if (obj.rotation == 2) return x - obj.Canvas.canvas.width;
if (obj.rotation == 3) return x - obj.Canvas.canvas.height;
}
obj.rotY = function (x, y) {
if (obj.rotation == 0 || obj.rotation == 3) return y;
if (obj.rotation == 1) return y - obj.Canvas.canvas.width;
if (obj.rotation == 2) return y - obj.Canvas.canvas.height;
}
obj.tcanvas = null;
obj.setRotation = function (x) {
while (x < 0) { x += 4; }
var newrotation = x % 4;
if (newrotation == obj.rotation) return true;
var rw = obj.Canvas.canvas.width;
var rh = obj.Canvas.canvas.height;
if (obj.rotation == 1 || obj.rotation == 3) { rw = obj.Canvas.canvas.height; rh = obj.Canvas.canvas.width; }
// Copy the canvas, put it back in the correct direction
if (obj.tcanvas == null) obj.tcanvas = document.createElement('canvas');
var tcanvasctx = obj.tcanvas.getContext('2d');
tcanvasctx.setTransform(1, 0, 0, 1, 0, 0);
tcanvasctx.canvas.width = rw;
tcanvasctx.canvas.height = rh;
tcanvasctx.rotate((obj.rotation * -90) * Math.PI / 180);
if (obj.rotation == 0) tcanvasctx.drawImage(obj.Canvas.canvas, 0, 0);
if (obj.rotation == 1) tcanvasctx.drawImage(obj.Canvas.canvas, -obj.Canvas.canvas.width, 0);
if (obj.rotation == 2) tcanvasctx.drawImage(obj.Canvas.canvas, -obj.Canvas.canvas.width, -obj.Canvas.canvas.height);
if (obj.rotation == 3) tcanvasctx.drawImage(obj.Canvas.canvas, 0, -obj.Canvas.canvas.height);
// Change the size and orientation and copy the canvas back into the rotation
if (obj.rotation == 0 || obj.rotation == 2) { obj.Canvas.canvas.height = rw; obj.Canvas.canvas.width = rh; }
if (obj.rotation == 1 || obj.rotation == 3) { obj.Canvas.canvas.height = rh; obj.Canvas.canvas.width = rw; }
obj.Canvas.setTransform(1, 0, 0, 1, 0, 0);
obj.Canvas.rotate((newrotation * 90) * Math.PI / 180);
obj.rotation = newrotation;
obj.Canvas.drawImage(obj.tcanvas, obj.rotX(0, 0), obj.rotY(0, 0));
obj.ScreenWidth = obj.Canvas.canvas.width;
obj.ScreenHeight = obj.Canvas.canvas.height;
Added built-in Let's Encrypt support using GreenLock.
2018-01-15 08:01:06 +03:00
if (obj.onScreenSizeChange != null) obj.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId);
Initial main commit
2017-08-28 19:27:45 +03:00
return true;
}
// Private method
obj.MuchTheSame = function (a, b) { return (Math.abs(a - b) < 4); }
obj.Debug = function (msg) { console.log(msg); }
obj.getIEVersion = function () { var r = -1; if (navigator.appName == 'Microsoft Internet Explorer') { var ua = navigator.userAgent; var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})"); if (re.exec(ua) != null) r = parseFloat(RegExp.$1); } return r; }
obj.haltEvent = function (e) { if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
return obj;
}
Reference in New Issue Copy Permalink