GUAC-1260 Allow extensions to override guacamole icons.

guacamole/src/main/java/org/glyptodon/guacamole/net/basic/extension/Extension.java

@@ -108,6 +108,18 @@ public class Extension {
      */
     private final Collection<Class<AuthenticationProvider>> authenticationProviderClasses;
 
+    /**
+     * The resource for the small favicon for the extension. If provided, this
+     * will replace the default guacamole icon.
+     */
+    private final Resource smallIcon;
+
+    /**
+     * The resource foe the large favicon for the extension. If provided, this 
+     * will replace the default guacamole icon.
+     */
+    private final Resource largeIcon;
+
     /**
      * Returns a new map of all resources corresponding to the collection of
      * paths provided. Each resource will be associated with the given
@@ -346,6 +358,17 @@ public class Extension {
         // Define authentication providers
         authenticationProviderClasses = getAuthenticationProviderClasses(manifest.getAuthProviders());
 
+        // Get small icon resource if provided
+        if (manifest.getSmallIcon() != null)
+            smallIcon = new ClassPathResource(classLoader, "image/png", manifest.getSmallIcon());
+        else
+            smallIcon = null;
+
+        // Get large icon resource if provided
+        if (manifest.getLargeIcon() != null)
+            largeIcon = new ClassPathResource(classLoader, "image/png", manifest.getLargeIcon());
+        else
+            largeIcon = null;
     }
 
     /**
@@ -447,4 +470,26 @@ public class Extension {
         return authenticationProviderClasses;
     }
 
+    /**
+     * Returns the resource for the small favicon for the extension. If
+     * provided, this will replace the default guacamole icon.
+     * 
+     * @return 
+     *     The resource for the large favicon.
+     */
+    public Resource getSmallIcon() {
+        return smallIcon;
+    }
+
+    /**
+     * Returns the resource for the large favicon for the extension. If
+     * provided, this will replace the default guacamole icon.
+     * 
+     * @return 
+     *     The resource for the large favicon.
+     */
+    public Resource getLargeIcon() {
+        return largeIcon;
+    }
+
 }

guacamole/src/main/java/org/glyptodon/guacamole/net/basic/extension/ExtensionManifest.java

@@ -86,6 +86,18 @@ public class ExtensionManifest {
      */
     private Collection<String> authProviders;
 
+    /**
+     * The path to the small favicon. If provided, this will replace the default
+     * guacamole icon.
+     */
+    private String smallIcon;
+
+    /**
+     * The path to the large favicon. If provided, this will replace the default
+     * guacamole icon.
+     */
+    private String largeIcon;
+
     /**
      * Returns the version of the Guacamole web application for which the
      * extension was built, such as "0.9.7".
@@ -312,4 +324,46 @@ public class ExtensionManifest {
         this.authProviders = authProviders;
     }
 
+    /**
+     * Returns the path to the small favicon, relative to the root of the
+     * extension.
+     *
+     * @return The path to the small favicon.
+     */
+    public String getSmallIcon() {
+        return smallIcon;
+    }
+
+    /**
+     * Sets the path to the small favicon. This will replace the default
+     * guacamole icon.
+     *
+     * @param smallIcon The path to the small favicon.
+     */
+    public void setSmallIcon(String smallIcon) {
+        this.smallIcon = smallIcon;
+    }
+
+    /**
+     * Returns the path to the large favicon, relative to the root of the
+     * extension.
+     *
+     * @return
+     *     The path to the large favicon.
+     */
+    public String getLargeIcon() {
+        return largeIcon;
+    }
+
+    /**
+     * Sets the path to the large favicon. This will replace the default
+     * guacamole icon.
+     *
+     * @param largeIcon
+     *     The path to the large favicon.
+     */
+    public void setLargeIcon(String largeIcon) {
+        this.largeIcon = largeIcon;
+    }
+
 }

guacamole/src/main/java/org/glyptodon/guacamole/net/basic/extension/ExtensionModule.java

@@ -369,6 +369,14 @@ public class ExtensionModule extends ServletModule {
                 String staticResourcePrefix = "/app/ext/" + extension.getNamespace() + "/";
                 serveStaticResources(staticResourcePrefix, extension.getStaticResources());
 
+                // Serve up the small favicon if provided
+                if(extension.getSmallIcon() != null)
+                    serve("/images/logo-64.png").with(new ResourceServlet(extension.getSmallIcon()));
+
+                // Serve up the large favicon if provided
+                if(extension.getLargeIcon()!= null)
+                    serve("/images/logo-144.png").with(new ResourceServlet(extension.getLargeIcon()));
+
                 // Log successful loading of extension by name
                 logger.info("Extension \"{}\" loaded.", extension.getName());