Tests for the Copresence API.

components/copresence/copresence_client.cc

 // Copyright 2014 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 "components/copresence/public/copresence_client.h"
 
 #include "base/bind.h"
 #include "components/copresence/public/copresence_client_delegate.h"
 #include "components/copresence/public/whispernet_client.h"
 #include "components/copresence/rpc/rpc_handler.h"
 
 namespace copresence {
 
 PendingRequest::PendingRequest(const copresence::ReportRequest& report,
                                const std::string app_id,
                                const StatusCallback& callback)
     : report(report), app_id(app_id), callback(callback) {
 }
 
 PendingRequest::~PendingRequest() {
 }
 
 // Public methods
 
-CopresenceClient::CopresenceClient(CopresenceClientDelegate* delegate)
-    : delegate_(delegate), init_failed_(false), pending_init_operations_(0) {
-  DVLOG(3) << "Initializing client.";
-  pending_init_operations_++;
-  rpc_handler_.reset(
-      new RpcHandler(delegate,
-                     base::Bind(&CopresenceClient::InitStepComplete,
-                                AsWeakPtr(),
-                                "Copresence device registration")));
-
-  pending_init_operations_++;
-  delegate_->GetWhispernetClient()->Initialize(
-      base::Bind(&CopresenceClient::InitStepComplete,
-                 AsWeakPtr(),
-                 "Whispernet proxy initialization"));
-}
-
-CopresenceClient::~CopresenceClient() {
-}
+CopresenceClient::~CopresenceClient() {}
 
 void CopresenceClient::Shutdown() {
   DVLOG(3) << "Shutting down client.";
-  delegate_->GetWhispernetClient()->Shutdown();
-  rpc_handler_->DisconnectFromWhispernet();
+  if (delegate_ && delegate_->GetWhispernetClient())
+    delegate_->GetWhispernetClient()->Shutdown();
+  if (rpc_handler_.get())
+    rpc_handler_->DisconnectFromWhispernet();
 }
 
 // Returns false if any operations were malformed.
 void CopresenceClient::ExecuteReportRequest(copresence::ReportRequest request,
                                             const std::string& app_id,
                                             const StatusCallback& callback) {
-  // Don't take on any more requests, we can't execute any, init failed.
+  // Don't take on any more requests. We can't execute them since init failed.
   if (init_failed_) {
     callback.Run(FAIL);
     return;
   }
 
+  DCHECK(rpc_handler_.get());
   if (pending_init_operations_) {
     pending_requests_queue_.push_back(
         PendingRequest(request, app_id, callback));
   } else {
     rpc_handler_->SendReportRequest(
         make_scoped_ptr(new copresence::ReportRequest(request)),
         app_id,
         callback);
   }
 }
 
+// static
+scoped_ptr<CopresenceClient> CopresenceClient::Create(
+    CopresenceClientDelegate* delegate) {
+  DVLOG(3) << "Initializing client.";
+  scoped_ptr<CopresenceClient> client(new CopresenceClient);
+  DCHECK(delegate);
+  client->delegate_ = delegate;
+
+  client->pending_init_operations_++;
+  client->rpc_handler_.reset(
+      new RpcHandler(delegate,
+                     base::Bind(&CopresenceClient::InitStepComplete,
+                                client->AsWeakPtr(),
+                                "Copresence device registration")));
+
+  client->pending_init_operations_++;
+  DCHECK(delegate->GetWhispernetClient());
+  delegate->GetWhispernetClient()->Initialize(
+      base::Bind(&CopresenceClient::InitStepComplete,
+                 client->AsWeakPtr(),
+                 "Whispernet proxy initialization"));
+
+  return client.Pass();
+}
+
+// Protected methods
+
+CopresenceClient::CopresenceClient()
+    : delegate_(NULL),
+      init_failed_(false),
+      pending_init_operations_(0) {}
+
 // Private methods
 
 void CopresenceClient::CompleteInitialization() {
   if (pending_init_operations_)
     return;
 
+  DCHECK(delegate_);
+  DCHECK(rpc_handler_.get());
   if (!init_failed_)
     rpc_handler_->ConnectToWhispernet(delegate_->GetWhispernetClient());
 
   for (std::vector<PendingRequest>::iterator request =
            pending_requests_queue_.begin();
        request != pending_requests_queue_.end();
        ++request) {
     if (init_failed_) {
       request->callback.Run(FAIL);
     } else {
@@ skipping 11 matching lines @@
     LOG(ERROR) << step << " failed!";
     init_failed_ = true;
   }
 
   DVLOG(3) << "Init step: " << step << " complete.";
   pending_init_operations_--;
   CompleteInitialization();
 }
 
 }  // namespace copresence