2002/05/04 07:25:32

[org.ibex.core.git] / src / org / xwt / Platform.java

diff --git a/src/org/xwt/Platform.java b/src/org/xwt/Platform.java
index a4b67db..39a480f 100644 (file)
--- a/src/org/xwt/Platform.java
+++ b/src/org/xwt/Platform.java
@@ -21,14 +21,20 @@ public class Platform {
 
     // Static Data /////////////////////////////////////////////////////////////////////////////////////
 
-    /** set to true during the delivery of a KeyPressed:C-v/A-v or Press3; it is safe to use a 'global' here,
-     *  since message delivery is single-threaded and non-preemptable
+    /**
+     *  set to true during the delivery of a KeyPressed:C-v/A-v or Press3; it is safe to use a
+     *  'global' here, since message delivery is single-threaded and non-preemptable
      */
     static boolean clipboardReadEnabled = false;
 
     /** The appropriate Platform object for this JVM */
     static Platform platform = null;
 
+    /** true if proxy autodetection has already been run */
+    static boolean alreadyDetectedProxy = false;
+
+    /** the result of proxy autodetection */
+    static HTTP.ProxyInfo cachedProxyInfo = null;
 
     // VM Detection Logic /////////////////////////////////////////////////////////////////////
 
@@ -47,8 +53,8 @@ public class Platform {
             String os_name = System.getProperty("os.name", "");
             String platform_class = null;
             
-            if (os_name.startsWith("Mac OS X")) platform_class = "MacOSX";
-            else if (vendor.startsWith("Free Software Foundation")) platform_class = "Win32";
+            //if (os_name.startsWith("Mac OS X")) platform_class = "MacOSX";
+            if (vendor.startsWith("Free Software Foundation")) platform_class = "Win32";
             else if (version.startsWith("1.1") && vendor.startsWith("Netscape")) platform_class = "Netscape";
             else if (version.startsWith("1.1") && vendor.startsWith("Microsoft")) platform_class = "Microsoft";
             else if (version.startsWith("1.4")) platform_class = "Java14";
@@ -58,6 +64,7 @@ public class Platform {
                 platform = (Platform)Class.forName("org.xwt.plat." + platform_class).newInstance();
                 platform.init();
             }
+
             if (Log.on) Log.log(Platform.class, "XWT VM detection:   vendor = " + vendor);
             if (Log.on) Log.log(Platform.class, "                   version = " + version);
             if (Log.on) Log.log(Platform.class, "                        os = " + os_name);
@@ -162,6 +169,12 @@ public class Platform {
         return;
     }
 
+    /** Returns true iff the platform detected that it should be using a proxy.
+     *  The platform implementation should cache the result.
+     *  This method will only be called if a connection attempt failed
+     */
+    protected synchronized HTTP.ProxyInfo _detectProxy() { return null; }
+
     // Static methods -- thunk to the instance /////////////////////////////////////////////////////////////////////////
 
     /** if true, org.xwt.Surface should generate Click messages automatically when a Release happens after a Press and the mouse has not moved much */
@@ -218,7 +231,7 @@ public class Platform {
     /** creates and returns a picture */
     public static Picture createPicture(ImageDecoder i) { return platform._createPicture(i.getData(), i.getWidth(), i.getHeight()); }
 
-    /** creates and returns a picture */
+    /** opens a new browser window */
     public static void newBrowserWindow(String url) {
         if (!(url.startsWith("https://") || url.startsWith("http://") || url.startsWith("ftp://") || url.startsWith("mailto:"))) {
             if (Log.on) Log.log(Platform.class, "xwt.newBrowserWindow() only supports http and https urls");
@@ -270,6 +283,28 @@ public class Platform {
         return ret;
     }
 
+    /** detects proxy settings */
+    public static synchronized HTTP.ProxyInfo detectProxy() {
+
+        if (cachedProxyInfo != null) return cachedProxyInfo;
+        if (alreadyDetectedProxy) return null;
+        alreadyDetectedProxy = true;
+
+        if (Log.on) Log.log(Platform.class, "attempting xwt-proxy DNS proxy detection");
+        cachedProxyInfo = HTTP.ProxyInfo.detectProxyViaManual();
+        if (cachedProxyInfo != null) return cachedProxyInfo;
+
+        if (Log.on) Log.log(Platform.class, "attempting " + platform.getClass().getName() + " proxy detection");
+        cachedProxyInfo = platform._detectProxy();
+        if (cachedProxyInfo != null) return cachedProxyInfo;
+
+        if (Log.on) Log.log(Platform.class, "attempting WPAD proxy detection");
+        cachedProxyInfo = HTTP.ProxyInfo.detectProxyViaWPAD();
+        if (cachedProxyInfo != null) return cachedProxyInfo;
+
+        return cachedProxyInfo;
+    }
+
     // Helpful font parsing stuff //////////////////////////////////////////////////////
 
     public static class ParsedFont {
@@ -322,3 +357,4 @@ public class Platform {
 
 }
 
+