Author: [email protected]
Date: Fri May 15 09:06:44 2009
New Revision: 5389
Modified:
trunk/user/src/com/google/gwt/core/client/impl/AsyncFragmentLoader.java
Log:
Allows linkers that specify a custom way to load runAsync
deferred js files to additionaly signal when a load
attempts fails.
Review by: knorton
Modified:
trunk/user/src/com/google/gwt/core/client/impl/AsyncFragmentLoader.java
==============================================================================
--- trunk/user/src/com/google/gwt/core/client/impl/AsyncFragmentLoader.java
(original)
+++ trunk/user/src/com/google/gwt/core/client/impl/AsyncFragmentLoader.java
Fri May 15 09:06:44 2009
@@ -48,10 +48,13 @@
* provide functions for fragment loading for any compilation that
includes more
* than one fragment. Linkers should always provide a function
* <code>__gwtStartLoadingFragment</code>. This function is called by
- * AsyncFragmentLoader with an integer fragment number that needs to be
- * downloaded. If the mechanism for loading the contents of fragments is
- * provided by the linker, this function should return <code>null</code> or
- * <code>undefined</code>.
+ * AsyncFragmentLoader with two arguments: an integer fragment number that
needs
+ * to be downloaded, and a one-argument loadFailed function that can be
called
+ * if the load fails. If the load fails, that function should be called
with a
+ * descriptive exception as the argument. If the mechanism for loading the
+ * contents of fragments is provided by the linker, the
+ * <code>__gwtStartLoadingFragment</code> function should return
+ * <code>null</code> or <code>undefined</code>.
* </p>
* <p>
* Alternatively, the function can return a URL designating from where the
code
@@ -310,8 +313,12 @@
* a URL that should be downloaded to get the code. If it starts the
download
* itself, it can synchronously load it, e.g. from cache, if that makes
sense.
*/
- private static native String gwtStartLoadingFragment(int fragment) /*-{
- return __gwtStartLoadingFragment(fragment);
+ private static native String gwtStartLoadingFragment(int fragment,
+ LoadErrorHandler loadErrorHandler) /*-{
+ function loadFailed(e) {
+
[email protected]$loaderrorhandler::loadFailed(Ljava/lang/Throwable;)(e);
+ }
+ return __gwtStartLoadingFragment(fragment, loadFailed);
}-*/;
/**
@@ -362,7 +369,7 @@
private static void startLoadingFragment(int fragment,
final LoadErrorHandler loadErrorHandler) {
- String fragmentUrl = gwtStartLoadingFragment(fragment);
+ String fragmentUrl = gwtStartLoadingFragment(fragment,
loadErrorHandler);
if (fragmentUrl != null) {
// use XHR
--~--~---------~--~----~------------~-------~--~----~
http://groups.google.com/group/Google-Web-Toolkit-Contributors
-~----------~----~----~----~------~----~------~--~---
