Gather the ServiceWorker client information in the browser process.

content/browser/service_worker/service_worker_provider_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_provider_host.h"
 
 #include "base/stl_util.h"
+#include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/message_port_message_filter.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_context_request_handler.h"
 #include "content/browser/service_worker/service_worker_controllee_request_handler.h"
 #include "content/browser/service_worker/service_worker_dispatcher_host.h"
 #include "content/browser/service_worker/service_worker_handle.h"
 #include "content/browser/service_worker/service_worker_registration_handle.h"
 #include "content/browser/service_worker/service_worker_utils.h"
 #include "content/browser/service_worker/service_worker_version.h"
 #include "content/common/resource_request_body.h"
@@ skipping 18 matching lines @@
 
   if (web_contents && web_contents->GetDelegate()) {
     result = true;
     web_contents->GetDelegate()->ActivateContents(web_contents);
   }
 
   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                           base::Bind(callback, result));
 }
 
+void GetClientInfoOnUIThread(
+    int render_process_id,
+    int render_frame_id,
+    const ServiceWorkerProviderHost::GetClientInfoCallback& callback) {
+  RenderFrameHostImpl* render_frame_host =
+      RenderFrameHostImpl::FromID(render_process_id, render_frame_id);
+  if (!render_frame_host) {
+    BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                            base::Bind(callback, ServiceWorkerClientInfo()));
+    return;
+  }
+
+  // TODO(mlamouri,michaeln): it is possible to end up collecting information
+  // for a frame that is actually being navigated and isn't exactly what we are
+  // expecting.
+  ServiceWorkerClientInfo client_info(
+      render_frame_host->GetVisibilityState(),
+      render_frame_host->IsFocused(),
+      render_frame_host->GetLastCommittedURL(),
+      render_frame_host->GetParent() ? REQUEST_CONTEXT_FRAME_TYPE_NESTED
+                                     : REQUEST_CONTEXT_FRAME_TYPE_TOP_LEVEL);
+
+  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                          base::Bind(callback, client_info));
+}
+
 }  // anonymous namespace
 
 ServiceWorkerProviderHost::ServiceWorkerProviderHost(
     int render_process_id,
     int render_frame_id,
     int provider_id,
     base::WeakPtr<ServiceWorkerContextCore> context,
     ServiceWorkerDispatcherHost* dispatcher_host)
     : render_process_id_(render_process_id),
       render_frame_id_(render_frame_id),
@@ skipping 207 matching lines @@
 void ServiceWorkerProviderHost::Focus(const FocusCallback& callback) {
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&FocusOnUIThread,
                  render_process_id_,
                  render_frame_id_,
                  callback));
 }
 
 void ServiceWorkerProviderHost::GetClientInfo(
-    int embedded_worker_id,
-    int request_id) {
-  Send(new ServiceWorkerMsg_GetClientInfo(
-      kDocumentMainThreadId, embedded_worker_id, request_id, provider_id()));
+    const GetClientInfoCallback& callback) {
+  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
+                          base::Bind(&GetClientInfoOnUIThread,
+                                     render_process_id_,
+                                     render_frame_id_,
+                                     callback));
 }
 
 void ServiceWorkerProviderHost::AddScopedProcessReferenceToPattern(
     const GURL& pattern) {
   associated_patterns_.push_back(pattern);
   IncreaseProcessReference(pattern);
 }
 
 void ServiceWorkerProviderHost::PrepareForCrossSiteTransfer() {
   DCHECK_NE(ChildProcessHost::kInvalidUniqueID, render_process_id_);
@@ skipping 171 matching lines @@
   return context_ != NULL;
 }
 
 void ServiceWorkerProviderHost::Send(IPC::Message* message) const {
   DCHECK(dispatcher_host_);
   DCHECK(IsReadyToSendMessages());
   dispatcher_host_->Send(message);
 }
 
 }  // namespace content