/** * @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 obj.debugmode = 0; obj.firstUpKeys = []; obj.stopInput = false; obj.localKeyMap = true; obj.altPressed = false; obj.ctrlPressed = false; obj.shiftPressed = false; 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; obj.onScreenSizeChange = null; obj.onMessage = null; obj.onConnectCountChanged = null; obj.onDebugMessage = null; obj.onTouchEnabledChanged = null; obj.onDisplayinfo = null; obj.accumulator = null; obj.Start = function () { obj.State = 0; obj.accumulator = null; } obj.Stop = function () { obj.setRotation(0); obj.UnGrabKeyInput(); obj.UnGrabMouseInput(); obj.touchenabled = 0; if (obj.onScreenSizeChange != null) obj.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId); obj.Canvas.clearRect(0, 0, obj.CanvasId.width, obj.CanvasId.height); } obj.xxStateChange = function (newstate) { if (obj.State == newstate) return; obj.State = newstate; obj.CanvasId.style.cursor = 'default'; //console.log('xxStateChange', newstate); switch (newstate) { case 0: { // Disconnect obj.Stop(); break; } case 3: { // Websocket connected break; } } } obj.send = function (x) { if (obj.debugmode > 1) { console.log("KSend(" + x.length + "): " + rstr2hex(x)); } if (obj.parent != null) { 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(); tile.xcount = obj.tilesReceived++; //console.log('Tile #' + tile.xcount); var r = obj.tilesReceived; tile.src = "data:image/jpeg;base64," + btoa(str.substring(4, str.length)); tile.onload = function () { //console.log('DecodeTile #' + this.xcount); if (obj.Canvas != null && obj.KillDraw < r && obj.State != 0) { obj.PendingOperations.push([r, 2, tile, X, Y]); while (obj.DoPendingOperations()) { } } } tile.error = function () { console.log('DecodeTileError'); } } 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) { if (obj.debugmode > 0) { console.log("ScreenSize: " + 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(); if (obj.onScreenSizeChange != null) { obj.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId); } } obj.ProcessData = function (str) { var ptr = 0; //console.log('x0', str.length); while (ptr < str.length) { //console.log('x1', ptr, str.length); ptr += obj.ProcessDataEx(str.substring(ptr)); //console.log('x2', ptr, str.length); } } obj.ProcessDataEx = function (str) { if (obj.accumulator != null) { str = obj.accumulator + str; //console.log('KVM using accumulated data, total size is now ' + str.length + ' bytes.'); obj.accumulator = null; } if (obj.debugmode > 1) { console.log("KRecv(" + str.length + "): " + rstr2hex(str.substring(0, Math.min(str.length, 40)))); } if (str.length < 4) return; var cmdmsg = null, X = 0, Y = 0, command = ReadShort(str, 0), cmdsize = ReadShort(str, 2), jumboAdd = 0; if ((command == 27) && (cmdsize == 8)) { // Jumbo packet if (str.length < 12) return; command = ReadShort(str, 8) cmdsize = ReadInt(str, 4); //console.log('JUMBO cmd=' + command + ', cmdsize=' + cmdsize + ', data received=' + str.length); if ((cmdsize + 8) > str.length) { //console.log('KVM accumulator set to ' + str.length + ' bytes, need ' + cmdsize + ' bytes.'); obj.accumulator = str; return; } str = str.substring(8); jumboAdd = 8; } if ((cmdsize != str.length) && (obj.debugmode > 0)) { console.log(cmdsize, str.length, cmdsize == str.length); } if ((command >= 18) && (command != 65)) { console.error("Invalid KVM command " + command + " of size " + cmdsize); console.log("Invalid KVM data", str.length, rstr2hex(str.substring(0, 40)) + '...'); return; } if (cmdsize > str.length) { //console.log('KVM accumulator set to ' + str.length + ' bytes, need ' + cmdsize + ' bytes.'); obj.accumulator = str; return; } //console.log("KVM Command: " + command + " Len:" + cmdsize); 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); if (obj.debugmode > 0) { console.log("CMD" + command + " at X=" + X + " Y=" + Y); } } 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 obj.SendKeyMsgKC(obj.KeyAction.UP, 16); // Shift obj.send(String.fromCharCode(0x00, 0x0E, 0x00, 0x04)); break; case 11: // GetDisplays var selectedDisplay = 0, displays = { }, dcount = ((str.charCodeAt(4) & 0xFF) << 8) + (str.charCodeAt(5) & 0xFF); if (dcount > 0) { // Many displays present selectedDisplay = ((str.charCodeAt(6 + (dcount * 2)) & 0xFF) << 8) + (str.charCodeAt(7 + (dcount * 2)) & 0xFF); for (var i = 0; i < dcount; i++) { var disp = ((str.charCodeAt(6 + (i * 2)) & 0xFF) << 8) + (str.charCodeAt(7 + (i * 2)) & 0xFF); if (disp == 65535) { displays[disp] = 'All Displays'; } else { displays[disp] = 'Display ' + disp; } } } //console.log('Get Displays', displays, selectedDisplay, rstr2hex(str)); if (obj.onDisplayinfo != null) { obj.onDisplayinfo(obj, displays, selectedDisplay); } break; case 12: // SetDisplay //console.log('SetDisplayConfirmed'); 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; case 65: // Alert str = str.substring(4); if (str[0] != '.') { console.log(str); //alert('KVM: ' + str); if (obj.parent != null) { obj.parent.consoleMessage = str; if (obj.parent.onConsoleMessageChange) { obj.parent.onConsoleMessageChange(obj.parent, str); } } } else { console.log('KVM: ' + str.substring(1)); } break; } return cmdsize + jumboAdd; } // 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, "DBLCLICK": 6 }; obj.InputType = { "KEY": 1, "MOUSE": 2, "CTRLALTDEL": 10, "TOUCH": 15 }; obj.Alternate = 0; var convertKeyCodeTable = { "Pause": 19, "CapsLock": 20, "Space": 32, "Quote": 222, "Minus": 189, "NumpadMultiply": 106, "NumpadAdd": 107, "PrintScreen": 44, "Comma": 188, "NumpadSubtract": 109, "NumpadDecimal": 110, "Period": 190, "Slash": 191, "NumpadDivide": 111, "Semicolon": 186, "Equal": 187, "OSLeft": 91, "BracketLeft": 219, "OSRight": 91, "Backslash": 220, "BracketRight": 221, "ContextMenu": 93, "Backquote": 192, "NumLock": 144, "ScrollLock": 145, "Backspace": 8, "Tab": 9, "Enter": 13, "NumpadEnter": 13, "Escape": 27, "Delete": 46, "Home": 36, "PageUp": 33, "PageDown": 34, "ArrowLeft": 37, "ArrowUp": 38, "ArrowRight": 39, "ArrowDown": 40, "End": 35, "Insert": 45, "F1": 112, "F2": 113, "F3": 114, "F4": 115, "F5": 116, "F6": 117, "F7": 118, "F8": 119, "F9": 120, "F10": 121, "F11": 122, "F12": 123, "ShiftLeft": 16, "ShiftRight": 16, "ControlLeft": 17, "ControlRight": 17, "AltLeft": 18, "AltRight": 18, "MetaLeft": 91, "MetaRight": 92, "VolumeMute": 181 //"LaunchMail": //"LaunchApp1": //"LaunchApp2": //"BrowserStop": //"MediaStop": //"MediaTrackPrevious": //"MediaTrackNext": //"MediaPlayPause": //"MediaSelect": } function convertKeyCode(e) { if (e.code.startsWith('Key') && e.code.length == 4) { return e.code.charCodeAt(3); } if (e.code.startsWith('Digit') && e.code.length == 6) { return e.code.charCodeAt(5); } if (e.code.startsWith('Numpad') && e.code.length == 7) { return e.code.charCodeAt(6) + 48; } return convertKeyCodeTable[e.code]; } obj.SendKeyMsg = function (action, event) { if (action == null) return; if (!event) { event = window.event; } if (event.code && (obj.localKeyMap == false)) { // Convert "event.code" into a scancode. This works the same regardless of the keyboard language. // Older browsers will not support this. var kc = convertKeyCode(event); if (kc != null) { obj.SendKeyMsgKC(action, kc); } } else { // Use this keycode, this works best with "US-EN" keyboards. // Older browser support this. var kc = event.keyCode; if (kc == 0x3B) { kc = 0xBA; } // Fix the ';' key else if (kc == 173) { kc = 189; } // Fix the '-' key for Firefox else if (kc == 61) { kc = 187; } // Fix the '=' key for Firefox 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) { //console.log('SendKeyMsgKC', action, kc); if (obj.State != 3) return; if (typeof action == 'object') { for (var i in action) { obj.SendKeyMsgKC(action[i][0], action[i][1]); } } else { 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 (event.addx) { X += event.addx; } if (event.addy) { Y += event.addy; } 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.DBLCLICK) { MouseMsg = String.fromCharCode(0x00, obj.InputType.MOUSE, 0x00, 0x0A, 0x00, 0x88, ((X / 256) & 0xFF), (X & 0xFF), ((Y / 256) & 0xFF), (Y & 0xFF)); } else if (Action == obj.KeyAction.SCROLL) { MouseMsg = String.fromCharCode(0x00, obj.InputType.MOUSE, 0x00, 0x0C, 0x00, 0x00, ((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 obj.SetDisplay = function (number) { console.log('Set display', number); obj.send(String.fromCharCode(0x00, 0x0C, 0x00, 0x06, number >> 8, number & 0xFF)); } // Set Terminal display 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); if (obj.onScreenSizeChange != null) obj.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId); } 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.xxMouseDblClick = function (e) { if (obj.State == 3) obj.SendMouseMsg(obj.KeyAction.DBLCLICK, 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 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; } } } if (e.keyCode == 16) { obj.shiftPressed = false; } if (e.keyCode == 17) { obj.ctrlPressed = false; } if (e.keyCode == 18) { obj.altPressed = false; } return obj.xxKeyUp(e); } obj.handleKeyDown = function (e) { if (obj.stopInput == true || desktop.State != 3) return false; if (e.keyCode == 16) { obj.shiftPressed = true; } if (e.keyCode == 17) { obj.ctrlPressed = true; } if (e.keyCode == 18) { obj.altPressed = true; } return obj.xxKeyDown(e); } // Release the CTRL, ALT, SHIFT keys if they are pressed. obj.handleReleaseKeys = function () { if (obj.shiftPressed) { obj.SendKeyMsgKC(obj.KeyAction.UP, 16); } // Shift if (obj.ctrlPressed) { obj.SendKeyMsgKC(obj.KeyAction.UP, 17); } // Ctrl if (obj.altPressed) { obj.SendKeyMsgKC(obj.KeyAction.UP, 18); } // Alt obj.shiftPressed = obj.ctrlPressed = obj.altPressed = false; } // Mouse handlers obj.mousedblclick = function (e) { if (obj.stopInput == true) return false; return obj.xxMouseDblClick(e); } 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); } 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; if (obj.onScreenSizeChange != null) obj.onScreenSizeChange(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId); 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; }