592 lines
28 KiB
JavaScript
592 lines
28 KiB
JavaScript
/**
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* @description Remote Desktop
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* @author Ylian Saint-Hilaire
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* @version v0.0.2g
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*/
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// Construct a MeshServer object
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var CreateAgentRemoteDesktop = function (canvasid, scrolldiv) {
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var obj = {}
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obj.CanvasId = canvasid;
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if (typeof canvasid === 'string') obj.CanvasId = Q(canvasid);
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obj.Canvas = obj.CanvasId.getContext("2d");
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obj.scrolldiv = scrolldiv;
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obj.State = 0;
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obj.PendingOperations = [];
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obj.tilesReceived = 0;
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obj.TilesDrawn = 0;
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obj.KillDraw = 0;
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obj.ipad = false;
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obj.tabletKeyboardVisible = false;
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obj.LastX = 0;
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obj.LastY = 0;
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obj.touchenabled = 0;
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obj.submenuoffset = 0;
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obj.touchtimer = null;
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obj.TouchArray = {};
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obj.connectmode = 0; // 0 = HTTP, 1 = WebSocket, 2 = WebRTC
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obj.connectioncount = 0;
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obj.rotation = 0;
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obj.protocol = 2; // KVM
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obj.sessionid = 0;
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obj.username;
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obj.oldie = false;
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obj.CompressionLevel = 50;
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obj.ScalingLevel = 1024;
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obj.FrameRateTimer = 50;
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obj.FirstDraw = false;
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obj.ScreenWidth = 960;
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obj.ScreenHeight = 700;
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obj.width = 960;
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obj.height = 960;
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obj.onScreenResize = null;
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obj.onMessage = null;
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obj.onConnectCountChanged = null;
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obj.onDebugMessage = null;
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obj.onTouchEnabledChanged = null;
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obj.Start = function () {
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obj.State = 0;
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}
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obj.Stop = function () {
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obj.setRotation(0);
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obj.UnGrabKeyInput();
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obj.UnGrabMouseInput();
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obj.touchenabled = 0;
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if (obj.onScreenResize != null) obj.onScreenResize(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId);
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obj.Canvas.clearRect(0, 0, obj.CanvasId.width, obj.CanvasId.height);
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}
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obj.xxStateChange = function (newstate) {
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if (obj.State == newstate) return;
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obj.State = newstate;
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//console.log('xxStateChange', newstate);
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switch (newstate) {
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case 0: {
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// Disconnect
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obj.Stop();
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break;
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}
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case 3: {
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// Websocket connected
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break;
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}
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}
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}
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obj.Send = function (x) {
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//console.log("KSend(" + x.length + "): " + rstr2hex(x));
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obj.parent.Send(x);
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}
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// KVM Control.
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// Routines for processing incoming packets from the AJAX server, and handling individual messages.
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obj.ProcessPictureMsg = function (str, X, Y) {
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//if (obj.targetnode != null) obj.Debug("ProcessPictureMsg " + X + "," + Y + " - " + obj.targetnode.substring(0, 8));
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var tile = new Image();
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obj.tilesReceived++;
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var r = obj.tilesReceived;
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tile.src = "data:image/jpeg;base64," + btoa(str.substring(4, str.length));
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tile.onload = function () {
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if (obj.Canvas != null && obj.KillDraw < r && obj.State != 0) {
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obj.PendingOperations.push([r, 2, tile, X, Y]);
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while (obj.DoPendingOperations()) { }
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}
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}
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}
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obj.DoPendingOperations = function () {
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if (obj.PendingOperations.length == 0) return false;
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for (var i = 0; i < obj.PendingOperations.length; i++) { // && KillDraw < tilesDrawn
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var Msg = obj.PendingOperations[i];
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if (Msg[0] == (obj.TilesDrawn + 1)) {
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if (Msg[1] == 1) { obj.ProcessCopyRectMsg(Msg[2]); }
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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]; }
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obj.PendingOperations.splice(i, 1);
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delete Msg;
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obj.TilesDrawn++;
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if (obj.TilesDrawn == obj.tilesReceived && obj.KillDraw < obj.TilesDrawn) { obj.KillDraw = obj.TilesDrawn = obj.tilesReceived = 0; }
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return true;
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}
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}
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if (obj.oldie && obj.PendingOperations.length > 0) { obj.TilesDrawn++; }
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return false;
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}
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obj.ProcessCopyRectMsg = function (str) {
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var SX = ((str.charCodeAt(0) & 0xFF) << 8) + (str.charCodeAt(1) & 0xFF);
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var SY = ((str.charCodeAt(2) & 0xFF) << 8) + (str.charCodeAt(3) & 0xFF);
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var DX = ((str.charCodeAt(4) & 0xFF) << 8) + (str.charCodeAt(5) & 0xFF);
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var DY = ((str.charCodeAt(6) & 0xFF) << 8) + (str.charCodeAt(7) & 0xFF);
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var WIDTH = ((str.charCodeAt(8) & 0xFF) << 8) + (str.charCodeAt(9) & 0xFF);
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var HEIGHT = ((str.charCodeAt(10) & 0xFF) << 8) + (str.charCodeAt(11) & 0xFF);
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obj.Canvas.drawImage(Canvas.canvas, SX, SY, WIDTH, HEIGHT, DX, DY, WIDTH, HEIGHT);
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}
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obj.SendUnPause = function () {
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//obj.Debug("SendUnPause");
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//obj.xxStateChange(3);
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obj.Send(String.fromCharCode(0x00, 0x08, 0x00, 0x05, 0x00));
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}
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obj.SendPause = function () {
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//obj.Debug("SendPause");
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//obj.xxStateChange(2);
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obj.Send(String.fromCharCode(0x00, 0x08, 0x00, 0x05, 0x01));
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}
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obj.SendCompressionLevel = function (type, level, scaling, frametimer) {
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if (level) { obj.CompressionLevel = level; }
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if (scaling) { obj.ScalingLevel = scaling; }
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if (frametimer) { obj.FrameRateTimer = frametimer; }
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obj.Send(String.fromCharCode(0x00, 0x05, 0x00, 0x0A, type, obj.CompressionLevel) + obj.shortToStr(obj.ScalingLevel) + obj.shortToStr(obj.FrameRateTimer));
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}
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obj.SendRefresh = function () {
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obj.Send(String.fromCharCode(0x00, 0x06, 0x00, 0x04));
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}
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obj.ProcessScreenMsg = function (width, height) {
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//obj.Debug("ProcessScreenMsg: " + width + " x " + height);
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obj.Canvas.setTransform(1, 0, 0, 1, 0, 0);
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obj.rotation = 0;
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obj.FirstDraw = true;
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obj.ScreenWidth = obj.width = width;
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obj.ScreenHeight = obj.height = height;
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obj.KillDraw = obj.tilesReceived;
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while (obj.PendingOperations.length > 0) { obj.PendingOperations.shift(); }
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obj.SendCompressionLevel(1);
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obj.SendUnPause();
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}
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obj.ProcessData = function (str) {
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if (str.length < 4) return;
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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); obj.parent.Stop(); return; }
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if (cmdsize > str.length) return;
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//meshOnDebug("KVM Command: " + command + " Len:" + cmdsize);
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if (command == 3 || command == 4 || command == 7) {
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cmdmsg = str.substring(4, cmdsize);
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X = ((cmdmsg.charCodeAt(0) & 0xFF) << 8) + (cmdmsg.charCodeAt(1) & 0xFF);
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Y = ((cmdmsg.charCodeAt(2) & 0xFF) << 8) + (cmdmsg.charCodeAt(3) & 0xFF);
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}
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switch (command) {
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case 3: // Tile
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if (obj.FirstDraw) obj.onResize();
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obj.ProcessPictureMsg(cmdmsg, X, Y);
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break;
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case 4: // Tile Copy
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if (obj.FirstDraw) obj.onResize();
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if (obj.TilesDrawn == obj.tilesReceived) {
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obj.ProcessCopyRectMsg(cmdmsg);
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} else {
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obj.PendingOperations.push([ ++tilesReceived, 1, cmdmsg ]);
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}
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break;
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case 7: // Screen size
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obj.ProcessScreenMsg(X, Y);
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obj.SendKeyMsgKC(obj.KeyAction.UP, 16); // Shift
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obj.SendKeyMsgKC(obj.KeyAction.UP, 17); // Ctrl
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obj.SendKeyMsgKC(obj.KeyAction.UP, 18); // Alt
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obj.SendKeyMsgKC(obj.KeyAction.UP, 91); // Left-Windows
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obj.SendKeyMsgKC(obj.KeyAction.UP, 92); // Right-Windows
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obj.Send(String.fromCharCode(0x00, 0x0E, 0x00, 0x04));
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break;
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case 11: // GetDisplays
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var dcount = ((str.charCodeAt(4) & 0xFF) << 8) + (str.charCodeAt(5) & 0xFF);
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if (dcount == 0) {
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// One display present
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if (document.getElementById('termdisplays') != null) document.getElementById('termdisplays').style.display = 'none';
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if (document.getElementById('termdisplays2') != null) document.getElementById('termdisplays2').style.display = 'none';
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} else {
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// Many displays present
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var seldisp = ((str.charCodeAt(6 + (dcount * 2)) & 0xFF) << 8) + (str.charCodeAt(7 + (dcount * 2)) & 0xFF);
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var selitem = 0;
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var myOptions = [];
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for (var i = 0; i < dcount; i++) {
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var disp = ((str.charCodeAt(6 + (i * 2)) & 0xFF) << 8) + (str.charCodeAt(7 + (i * 2)) & 0xFF);
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if (disp == 65535) {
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myOptions.push('All Displays');
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} else {
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myOptions.push('Display ' + disp);
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}
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if (disp == seldisp) selitem = i;
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}
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}
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// TODO
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break;
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case 12: // SetDisplay
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break;
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case 14: // KVM_INIT_TOUCH
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obj.touchenabled = 1;
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obj.TouchArray = {};
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if (obj.onTouchEnabledChanged != null) obj.onTouchEnabledChanged(obj.touchenabled);
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break;
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case 15: // KVM_TOUCH
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obj.TouchArray = {};
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break;
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case 16: // MNG_KVM_CONNECTCOUNT
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obj.connectioncount = ReadInt(str, 4);
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//obj.Debug("Got KVM Connect Count: " + obj.connectioncount);
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if (obj.onConnectCountChanged != null) obj.onConnectCountChanged(obj.connectioncount, obj);
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break;
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case 17: // MNG_KVM_MESSAGE
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//obj.Debug("Got KVM Message: " + str.substring(4, cmdsize));
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if (obj.onMessage != null) obj.onMessage(str.substring(4, cmdsize), obj);
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break;
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}
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}
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// Keyboard and Mouse I/O.
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obj.MouseButton = { "NONE": 0x00, "LEFT": 0x02, "RIGHT": 0x08, "MIDDLE": 0x20 };
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obj.KeyAction = { "NONE": 0, "DOWN": 1, "UP": 2, "SCROLL": 3, "EXUP": 4, "EXDOWN": 5 };
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obj.InputType = { "KEY": 1, "MOUSE": 2, "CTRLALTDEL": 10, "TOUCH": 15 };
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obj.Alternate = 0;
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obj.SendKeyMsg = function (action, event) {
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if (action == null) return;
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if (!event) { var event = window.event; }
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var kc = event.keyCode;
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if (kc == 0x3B) kc = 0xBA; // ';' key
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obj.SendKeyMsgKC(action, kc);
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}
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obj.SendMessage = function (msg) {
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if (obj.State == 3) obj.Send(String.fromCharCode(0x00, 0x11) + obj.shortToStr(4 + msg.length) + msg); // 0x11 = 17 MNG_KVM_MESSAGE
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}
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obj.SendKeyMsgKC = function (action, kc) {
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if (obj.State == 3) obj.Send(String.fromCharCode(0x00, obj.InputType.KEY, 0x00, 0x06, (action - 1), kc));
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}
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obj.sendcad = function() { obj.SendCtrlAltDelMsg(); }
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obj.SendCtrlAltDelMsg = function () {
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if (obj.State == 3) { obj.Send(String.fromCharCode(0x00, obj.InputType.CTRLALTDEL, 0x00, 0x04)); }
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}
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obj.SendEscKey = function () {
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if (obj.State == 3) obj.Send(String.fromCharCode(0x00, obj.InputType.KEY, 0x00, 0x06, 0x00, 0x1B, 0x00, obj.InputType.KEY, 0x00, 0x06, 0x01, 0x1B));
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}
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obj.SendStartMsg = function () {
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obj.SendKeyMsgKC(obj.KeyAction.EXDOWN, 0x5B); // L-Windows
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obj.SendKeyMsgKC(obj.KeyAction.EXUP, 0x5B); // L-Windows
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}
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obj.SendCharmsMsg = function () {
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obj.SendKeyMsgKC(obj.KeyAction.EXDOWN, 0x5B); // L-Windows
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obj.SendKeyMsgKC(obj.KeyAction.DOWN, 67); // C
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obj.SendKeyMsgKC(obj.KeyAction.UP, 67); // C
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obj.SendKeyMsgKC(obj.KeyAction.EXUP, 0x5B); // L-Windows
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}
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obj.SendTouchMsg1 = function (id, flags, x, y) {
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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));
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}
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obj.SendTouchMsg2 = function (id, flags) {
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var msg = '';
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var flags2;
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var str = "TOUCHSEND: ";
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for (var k in obj.TouchArray) {
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if (k == id) { flags2 = flags; } else {
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if (obj.TouchArray[k].f == 1) { flags2 = 0x00010000 | 0x00000002 | 0x00000004; obj.TouchArray[k].f = 3; str += "START" + k; } // POINTER_FLAG_DOWN
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else if (obj.TouchArray[k].f == 2) { flags2 = 0x00040000; str += "STOP" + k; } // POINTER_FLAG_UP
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else flags2 = 0x00000002 | 0x00000004 | 0x00020000; // POINTER_FLAG_UPDATE
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}
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msg += String.fromCharCode(k) + obj.intToStr(flags2) + obj.shortToStr(obj.TouchArray[k].x) + obj.shortToStr(obj.TouchArray[k].y);
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if (obj.TouchArray[k].f == 2) delete obj.TouchArray[k];
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}
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if (obj.State == 3) obj.Send(String.fromCharCode(0x00, obj.InputType.TOUCH) + obj.shortToStr(5 + msg.length) + String.fromCharCode(0x02) + msg);
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if (Object.keys(obj.TouchArray).length == 0 && obj.touchtimer != null) { clearInterval(obj.touchtimer); obj.touchtimer = null; }
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}
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obj.SendMouseMsg = function (Action, event) {
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if (obj.State != 3) return;
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if (Action != null && obj.Canvas != null) {
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if (!event) { var event = window.event; }
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var ScaleFactorHeight = (obj.Canvas.canvas.height / obj.CanvasId.clientHeight);
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var ScaleFactorWidth = (obj.Canvas.canvas.width / obj.CanvasId.clientWidth);
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var Offsets = obj.GetPositionOfControl(obj.Canvas.canvas);
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var X = ((event.pageX - Offsets[0]) * ScaleFactorWidth);
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var Y = ((event.pageY - Offsets[1]) * ScaleFactorHeight);
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if (X >= 0 && X <= obj.Canvas.canvas.width && Y >= 0 && Y <= obj.Canvas.canvas.height) {
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var Button = 0;
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var Delta = 0;
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if (Action == obj.KeyAction.UP || Action == obj.KeyAction.DOWN) {
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if (event.which) { ((event.which == 1) ? (Button = obj.MouseButton.LEFT) : ((event.which == 2) ? (Button = obj.MouseButton.MIDDLE) : (Button = obj.MouseButton.RIGHT))); }
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else if (event.button) { ((event.button == 0) ? (Button = obj.MouseButton.LEFT) : ((event.button == 1) ? (Button = obj.MouseButton.MIDDLE) : (Button = obj.MouseButton.RIGHT))); }
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}
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else if (Action == obj.KeyAction.SCROLL) {
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if (event.detail) { Delta = (-1 * (event.detail * 120)); } else if (event.wheelDelta) { Delta = (event.wheelDelta * 3); }
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}
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var MouseMsg = "";
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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));
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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));
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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); }
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}
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}
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}
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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); }
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obj.shortToStr = function (x) { return String.fromCharCode((x >> 8) & 0xFF, x & 0xFF); }
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obj.onResize = function () {
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if (obj.ScreenWidth == 0 || obj.ScreenHeight == 0) return;
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if (obj.Canvas.canvas.width == obj.ScreenWidth && obj.Canvas.canvas.height == obj.ScreenHeight) return;
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if (obj.FirstDraw) {
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obj.Canvas.canvas.width = obj.ScreenWidth;
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obj.Canvas.canvas.height = obj.ScreenHeight;
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obj.Canvas.fillRect(0, 0, obj.ScreenWidth, obj.ScreenHeight);
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if (obj.onScreenResize != null) obj.onScreenResize(obj, obj.ScreenWidth, obj.ScreenHeight, obj.CanvasId);
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}
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obj.FirstDraw = false;
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//obj.Debug("onResize: " + obj.ScreenWidth + " x " + obj.ScreenHeight);
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}
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obj.xxMouseInputGrab = false;
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obj.xxKeyInputGrab = false;
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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; }
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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; }
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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; }
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obj.xxDOMMouseScroll = function (e) { if (obj.State == 3) { obj.SendMouseMsg(obj.KeyAction.SCROLL, e); return false; } return true; }
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obj.xxMouseWheel = function (e) { if (obj.State == 3) { obj.SendMouseMsg(obj.KeyAction.SCROLL, e); return false; } return true; }
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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; }
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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; }
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obj.xxKeyPress = function (e) { if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return false; }
|
|
|
|
// Key handlers
|
|
obj.handleKeys = function (e) { return obj.xxKeyPress(e); }
|
|
obj.handleKeyUp = function (e) { return obj.xxKeyUp(e); }
|
|
obj.handleKeyDown = function (e) { return obj.xxKeyDown(e); }
|
|
|
|
// Mouse handlers
|
|
obj.mousedown = function (e) { return obj.xxMouseDown(e); }
|
|
obj.mouseup = function (e) { return obj.xxMouseUp(e); }
|
|
obj.mousemove = function (e) { return obj.xxMouseMove(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.onScreenResize != null) obj.onScreenResize(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;
|
|
}
|