NavigationController prototype

webkit/browser/appcache/appcache_update_job.cc

Index: webkit/browser/appcache/appcache_update_job.cc
diff --git a/webkit/browser/appcache/appcache_update_job.cc b/webkit/browser/appcache/appcache_update_job.cc
index 4efe947af845e32051033d6640e9cf37cea0e7b3..a59ce163c16c776f5677871df0c7287e2ab4c426 100644
--- a/webkit/browser/appcache/appcache_update_job.cc
+++ b/webkit/browser/appcache/appcache_update_job.cc
@@ -302,7 +302,8 @@ AppCacheUpdateJob::AppCacheUpdateJob(AppCacheService* service,
       master_entries_completed_(0),
       url_fetches_completed_(0),
       manifest_fetcher_(NULL),
-      stored_state_(UNSTORED) {
+      stored_state_(UNSTORED),
+      using_fake_manifest_(false) {
 }
 
 AppCacheUpdateJob::~AppCacheUpdateJob() {
@@ -324,6 +325,14 @@ void AppCacheUpdateJob::StartUpdate(AppCacheHost* host,
   DCHECK(group_->update_job() == this);
   DCHECK(!group_->is_obsolete());
 
+  // Hackery for 'registerController'
+  if (group_->HasCache() &&
+      !group_->newest_complete_cache()->GetEntry(group_->manifest_url())) {
+    using_fake_manifest_ = true;
+    DeleteSoon();
+    return;
+  }
+
   bool is_new_pending_master_entry = false;
   if (!new_master_resource.is_empty()) {
     DCHECK(new_master_resource == host->pending_master_entry_url());
@@ -381,6 +390,29 @@ void AppCacheUpdateJob::StartUpdate(AppCacheHost* host,
   FetchManifest(true);
 }
 
+// Hackery for 'registerController'
+void AppCacheUpdateJob::StartUpdateWithFakeManifest(Manifest* manifest) {
+  DCHECK(group_->update_job() == this);
+  DCHECK(!group_->is_obsolete());
+
+  using_fake_manifest_ = true;
+
+  // Begin the update process for the group.
+  group_->SetUpdateStatus(AppCacheGroup::CHECKING);
+  DCHECK(!group_->HasCache());  // we don't ever 'upgrade' these caches
+  update_type_ = CACHE_ATTEMPT;
+
+  // Jump straight into downloading the controller script.
+  internal_state_ = DOWNLOADING;
+  inprogress_cache_ = new AppCache(service_->storage(),
+                                   service_->storage()->NewCacheId());
+  BuildUrlFileList(*manifest);
+  inprogress_cache_->InitializeWithManifest(manifest);
+  group_->SetUpdateStatus(AppCacheGroup::DOWNLOADING);
+  NotifyAllAssociatedHosts(DOWNLOADING_EVENT);
+  FetchUrls();
+}
+
 AppCacheResponseWriter* AppCacheUpdateJob::CreateResponseWriter() {
   AppCacheResponseWriter* writer =
       service_->storage()->CreateResponseWriter(manifest_url_,
@@ -1222,6 +1254,18 @@ void AppCacheUpdateJob::MaybeCompleteUpdate() {
     return;
   }
 
+  // Hackery for 'registerController'
+  if (using_fake_manifest_) {
+    if (stored_state_ == UNSTORED) {
+      // Skip refetching the manifest that does not exist.
+      StoreGroupAndCache();
+      return;
+    }
+    if (stored_state_ == STORING)
+      return;
+    internal_state_ = REFETCH_MANIFEST; // hackery to fallthru to below
+  }
+
   switch (internal_state_) {
     case NO_UPDATE:
       if (master_entries_completed_ > 0) {