1 // Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL]
5 import java.lang.reflect.*;
11 import org.mozilla.javascript.*;
12 import org.bouncycastle.util.encoders.Base64;
14 /** Entry point for the XWT Engine; handles splash screen, initial xwar loading, and argument processing */
15 public class Main extends Applet {
18 * Used for security checks. If this is null, it means that only
19 * scripts originating from the local filesystem are loaded in
20 * the engine (maximum permissions). If scripts have been loaded
21 * from multiple locations, this will be 0.0.0.0 (the invalid
24 public static java.net.InetAddress originAddr = null;
26 /** the URL where the initial xwar came from. */
27 public static String origin = null;
29 /** true iff the user asked for rendered regions to be shown with a red rectangle */
30 public static boolean showRenders = false;
33 public void paint(Graphics g) { } // do-nothing method to avoid repaints
34 public void update(Graphics g) { } // do-nothing method, to avoid repaints
36 public static Applet applet = null;
38 /** don't check if all surfaces are gone (and quit) until this is true */
39 public static boolean doneInitializing = false;
41 /** applet entry point */
43 if ("true".equals(getParameter("showRenders"))) showRenders = true;
44 if ("true".equals(getParameter("verbose"))) Log.verbose = true;
46 main(new String[] { getParameter("initial-xwar-url"), "main" });
49 /** common entry point */
50 public static void main(String[] args) {
54 if (startargs > args.length - 1) {
55 System.out.println("Usage: xwt [-s] [-v] source-location [initial-template]");
56 System.out.println("");
57 System.out.println("Options:");
58 System.out.println(" -s show rendering activity with red rectangles");
59 System.out.println(" -v verbose logging");
60 System.out.println("");
61 System.out.println("Source-location is one of the following:");
62 System.out.println(" - the path to an xwar file");
63 System.out.println(" - the path to a directory to be used as an xwar");
64 System.out.println(" - the http url of an xwar");
65 System.out.println("");
66 System.out.println("Initial-template is the resource name of the template to load; defaults to 'main'");
67 Runtime.getRuntime().exit(-1);
69 else if (args[startargs].equals("-s")) showRenders = true;
70 else if (args[startargs].equals("-v")) Log.verbose = true;
74 final String instancename = args.length > startargs + 1 ? args[startargs + 1] : "main";
77 if (Log.on) for(int i=0; i<args.length; i++) Log.log(Main.class, "argument " + i + ": " + args[i]);
79 // we do this here instead of in a static initializer to avoid threading hazards
80 if (Log.on) Log.log(Main.class, "loading scar image");
81 PNG png = PNG.decode(new ByteArrayInputStream(Base64.decode(scarPicture_png_base64)), "bundled scar image");
82 Surface.scarPicture = Platform.createPicture(png.getData(), png.getWidth(), png.getHeight());
84 InputStream is = Main.class.getClassLoader().getResourceAsStream("org/xwt/builtin.xwar");
85 if (is == null) Platform.criticalAbort("unable to load builtin.xwar");
86 Resources.loadArchive(is);
88 String initialTemplate = "main";
90 if (args.length > startargs) {
91 if (args[startargs].startsWith("http://")) {
92 if (Log.on) Log.log(Main.class, "downloading xwar");
93 origin = args[startargs];
94 initialTemplate = "org.xwt.builtin.splash";
97 if (Log.on) Log.log(Main.class, "loading xwar from local filesystem");
99 // HACK because MSIE turns \'s into /'s in URLs... argh!!
100 if (Platform.platform.getClass().getName().endsWith("Win32"))
101 args[startargs] = args[startargs].replace('/', '\\');
103 File f = new File(args[startargs]);
104 origin = "file:" + f.getAbsolutePath();
105 if (f.isDirectory()) {
106 Resources.loadDirectory(f);
107 Surface.scarAllSurfacesFromNowOn = true;
109 initialTemplate = "org.xwt.builtin.splash";
112 if (args.length > startargs + 1) initialTemplate = args[startargs + 1];
116 if (Log.on) Log.log(Main.class, "instantiating " + initialTemplate);
117 final String initialTemplate_f = initialTemplate;
118 ThreadMessage.newthread(new JSObject.JSFunction() {
119 public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] arg) throws JavaScriptException {
120 new Box(initialTemplate_f, null);
121 doneInitializing = true;
122 if (Surface.allSurfaces.size() == 0) {
123 Log.log(this, "exiting because all surfaces are gone");
130 // gcj-win32 exit()'s when the original thread dies, so we have to deadlock ourselves
131 if (Log.on) Log.log(Main.class, "main thread blocking on new semaphore");
132 new org.xwt.util.Semaphore().block();
134 } catch (Throwable e) {
136 Platform.criticalAbort("exception in Main.main(): " + e);
140 /** a base64-encoded png image of the scar */
141 public static final String scarPicture_png_base64 =
142 "iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAABmJLR0QA/wD/AP+gvaeTAAAA" +
143 "CXBIWXMAAAsRAAALEQF/ZF+RAAAAB3RJTUUH0gIYAgsIkuS+AwAAA7lJREFUeJzF1l9MW1Uc" +
144 "wPHvvb3lz/oHOssd0hXo+NNONow102xDSXzoJGiyGBIyDNMlJvjn0USNL74ZY3wnxOgeWIxo" +
145 "9uAmZBrMiNkYYw5xRGBFQdiuzgtl/Gmht7S9PsBM162lGwN+yU3uPTf3nM895/c7OXwOfSKI" +
146 "23Z1yDJt0Ms2hQhwARa3CyHeudkuhJj4sB0IMblhqxH3ALYacV/AViJSArYKkRawFYh1AZuN" +
147 "yAiwmQgpzTsBMMzVv14V00PWQGDhJpd/UNugdwBebIOFRwFINwOGwJHXPH/d9BdYrbXZpaV1" +
148 "ZUPeZ8RuiHnhXAvYNxMghEEMaXO79rjqyLeV6c5iD01Nrz4bevnYwYFVxJkWsG4WQM+B+I6e" +
149 "7/q0SH98srXuYufpk2NGo8Tx5jcF6/unDwyA5oVzmwUAiBlhReg622eG6L7xDuWbjp+iJSVO" +
150 "Kisfl2Z8p8QLENxoYqatgjzQAeFy4QvOs0ZX5bGmeunvWxK//jaNQQpLsPHqSJkDgKT6GrxD" +
151 "xZ6DkimrzFffUFS020dX50B8efaPyeyuN5ZZBW4IkQogqb6Gp0b9IxZJcmKzubCYvfT0KAjx" +
152 "ES3r1LtTQDzxg4dFiA5V/UCRZUtio+p7xTtyfdgqiEXIBW5cew6xv/p5ap8zBVbi8ez5hg9d" +
153 "O8DA6kxtCCG2w8/JiPngrMUgObE/VoHDeYAn9taytBxDRw+/VH9YlHJFR7Dxo4o1xF3xoAiD" +
154 "AMI1mKwJhcYUWa63hkKRyXx7saZliU9WH8XjqSUciWHLs3HrX6x2e9a0212yqEXthWGPNzdy" +
155 "9cdZkpZjCiLvwNvfwxcZAQASEe6JMWXGUeCM6TaKiqoxm8xMB26zM9+OOq2b9lYVWsrLyoWJ" +
156 "G1FzvKo8L3r1/D/JHWeKuCsJE5ZDfPr3/l6BYX14tJvgUhBbfh7TgQDuCkvYarKg3BCIRu1E" +
157 "V3bFUnWeyXLcUwVriE8UWTYUn//2UjTi1/3+iwSDi+zft5NSV27O6EiUwaE/CS8NaMaTLaPp" +
158 "BlgPcd8ybIczDlX9VJFlg73zs0va8qA+PtGHxWTGfz3O4NA483O/aHrriStLEEkHWA/xfw4k" +
159 "xzUYrQmF5hVZPlw42D216CrdPXfbKMzMRliYv6LReqJ/CVZISsBUkSonBHGd7bgZjiqy/F6F" +
160 "qsZCjR87c0w2DF++Nbn25xkNnhg1YGmBQxkD1hDFiix/7VDVxQcdcD1ERkeydphyqOrx5B3z" +
161 "YSMxJzKagTvRDKWKLH/VqKqPwgHAf3HDlnr6flmoAAAAAElFTkSuQmCC";