Chromium-side plumbing for ServiceWorker -> Document postMessage (2/3)

content/browser/service_worker/service_worker_version.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/service_worker/service_worker_version.h"
 
 #include "base/command_line.h"
 #include "base/stl_util.h"
+#include "base/strings/string16.h"
 #include "content/browser/service_worker/embedded_worker_instance.h"
 #include "content/browser/service_worker/embedded_worker_registry.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_registration.h"
 #include "content/common/service_worker/service_worker_messages.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/content_switches.h"
 
 namespace content {
 
@@ skipping 403 matching lines @@
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_GetClientDocuments,
                         OnGetClientDocuments)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_ActivateEventFinished,
                         OnActivateEventFinished)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_InstallEventFinished,
                         OnInstallEventFinished)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_FetchEventFinished,
                         OnFetchEventFinished)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_SyncEventFinished,
                         OnSyncEventFinished)
+    IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_PostMessageToDocument,
+                        OnPostMessageToDocument)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void ServiceWorkerVersion::RunStartWorkerCallbacksOnError(
     ServiceWorkerStatusCode status) {
   if (status != SERVICE_WORKER_OK)
     RunCallbacks(this, &start_callbacks_, status);
 }
@@ skipping 112 matching lines @@
   script_cache_map_[url] = resource_id;
 }
 
 int64 ServiceWorkerVersion::LookupInScriptCache(const GURL& url) {
   ResourceIDMap::const_iterator found = script_cache_map_.find(url);
   if (found == script_cache_map_.end())
     return kInvalidServiceWorkerResponseId;
   return found->second;
 }
 
+void ServiceWorkerVersion::OnPostMessageToDocument(
+    int client_id,
+    const base::string16& message,
+    const std::vector<int>& sent_message_port_ids) {
+  ServiceWorkerProviderHost* provider_host =
+      controllee_by_id_.Lookup(client_id);
+  if (!provider_host) {
+    // The client may already have been closed, just ignore.
+    return;
+  }
+  provider_host->PostMessage(message, sent_message_port_ids);
+}
+
 }  // namespace content