service worker: navigation preload basic setters/getters and flag

content/browser/service_worker/service_worker_dispatcher_host.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_dispatcher_host.h"
 
 #include <utility>
 
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
@@ skipping 153 matching lines @@
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_UpdateServiceWorker,
                         OnUpdateServiceWorker)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_UnregisterServiceWorker,
                         OnUnregisterServiceWorker)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_GetRegistration,
                         OnGetRegistration)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_GetRegistrations,
                         OnGetRegistrations)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_GetRegistrationForReady,
                         OnGetRegistrationForReady)
+    IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_SetNavigationPreload,
+                        OnSetNavigationPreload)
+    IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_GetNavigationPreload,
+                        OnGetNavigationPreload)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_ProviderCreated,
                         OnProviderCreated)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_ProviderDestroyed,
                         OnProviderDestroyed)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_SetVersionId,
                         OnSetHostedVersionId)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_PostMessageToWorker,
                         OnPostMessageToWorker)
     IPC_MESSAGE_HANDLER(EmbeddedWorkerHostMsg_WorkerReadyForInspection,
                         OnWorkerReadyForInspection)
@@ skipping 508 matching lines @@
       "ServiceWorker", "ServiceWorkerDispatcherHost::GetRegistrationForReady",
       request_id);
   if (!provider_host->GetRegistrationForReady(base::Bind(
           &ServiceWorkerDispatcherHost::GetRegistrationForReadyComplete,
           this, thread_id, request_id, provider_host->AsWeakPtr()))) {
     bad_message::ReceivedBadMessage(
         this, bad_message::SWDH_GET_REGISTRATION_FOR_READY_ALREADY_IN_PROGRESS);
   }
 }
 
+void ServiceWorkerDispatcherHost::OnSetNavigationPreload(
+    int thread_id,
+    int request_id,
+    int handle_id,
+    const std::string& value) {
+  LOG(ERROR) << "ServiceWorkerDispatcherHost::OnSetNavigationPreload: value="
+             << value;
+  ServiceWorkerHandle* handle = handles_.Lookup(handle_id);
+  if (!handle) {
+    bad_message::ReceivedBadMessage(this,
+                                    bad_message::SWDH_POST_MESSAGE /* XXX */);
+    return;
+  }
+  ServiceWorkerVersion* version = handle->version();
+  if (version->is_navigation_preload_enabled() &&
+      version->navigation_preload_value() == value) {
+    Send(new ServiceWorkerMsg_DidSetNavigationPreload(thread_id, request_id));
+    return;
+  }
+  handle->version()->set_navigation_preload_enabled(true, value);
+  Send(new ServiceWorkerMsg_DidSetNavigationPreload(thread_id, request_id));
+  // TODO(falken): Persist the value in storage.
+}
+
+void ServiceWorkerDispatcherHost::OnGetNavigationPreload(int thread_id,
+                                                         int request_id,
+                                                         int handle_id) {
+  LOG(ERROR) << "ServiceWorkerDispatcherHost::OnGetNavigationPreload";
+  ServiceWorkerHandle* handle = handles_.Lookup(handle_id);
+  if (!handle) {
+    bad_message::ReceivedBadMessage(this,
+                                    bad_message::SWDH_POST_MESSAGE /* XXX */);
+    return;
+  }
+  const ServiceWorkerVersion* version = handle->version();
+  Send(new ServiceWorkerMsg_DidGetNavigationPreload(
+      thread_id, request_id, version->is_navigation_preload_enabled(),
+      version->navigation_preload_value()));
+}
+
 void ServiceWorkerDispatcherHost::OnPostMessageToWorker(
     int handle_id,
     int provider_id,
     const base::string16& message,
     const url::Origin& source_origin,
     const std::vector<int>& sent_message_ports) {
   TRACE_EVENT0("ServiceWorker",
                "ServiceWorkerDispatcherHost::OnPostMessageToWorker");
   if (!GetContext())
     return;
@@ skipping 743 matching lines @@
   if (!handle) {
     bad_message::ReceivedBadMessage(this,
                                     bad_message::SWDH_TERMINATE_BAD_HANDLE);
     return;
   }
   handle->version()->StopWorker(
       base::Bind(&ServiceWorkerUtils::NoOpStatusCallback));
 }
 
 }  // namespace content