Add TabControlFeature to BlimpClientContextImpl

blimp/client/core/blimp_client_context_impl.cc

 // Copyright 2016 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 "blimp/client/core/blimp_client_context_impl.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/sequenced_task_runner_handle.h"
 #include "blimp/client/core/contents/blimp_contents_impl.h"
 #include "blimp/client/core/contents/blimp_contents_manager.h"
+#include "blimp/client/core/contents/tab_control_feature.h"
 #include "blimp/client/core/session/cross_thread_network_event_observer.h"
 #include "blimp/client/public/blimp_client_context_delegate.h"
 
 #if defined(OS_ANDROID)
 #include "blimp/client/core/android/blimp_client_context_impl_android.h"
 #endif  // OS_ANDROID
 
 namespace blimp {
 namespace client {
 
 namespace {
 const char kDefaultAssignerUrl[] =
     "https://blimp-pa.googleapis.com/v1/assignment";
+const int kDummyTabId = 0;
 }  // namespace
 
 // This function is declared in //blimp/client/public/blimp_client_context.h,
 // and either this function or the one in
 // //blimp/client/core/dummy_blimp_client_context.cc should be linked in to
 // any binary using BlimpClientContext::Create.
 // static
 BlimpClientContext* BlimpClientContext::Create(
     scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner) {
 #if defined(OS_ANDROID)
   return new BlimpClientContextImplAndroid(io_thread_task_runner,
                                            file_thread_task_runner);
 #else
   return new BlimpClientContextImpl(io_thread_task_runner,
                                     file_thread_task_runner);
 #endif  // defined(OS_ANDROID)
 }
 
 BlimpClientContextImpl::BlimpClientContextImpl(
     scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner)
     : BlimpClientContext(),
       io_thread_task_runner_(io_thread_task_runner),
       file_thread_task_runner_(file_thread_task_runner),
       blimp_contents_manager_(new BlimpContentsManager),
+      tab_control_feature_(new TabControlFeature),
       weak_factory_(this) {
   net_components_.reset(new ClientNetworkComponents(
       base::MakeUnique<CrossThreadNetworkEventObserver>(
           weak_factory_.GetWeakPtr(), base::SequencedTaskRunnerHandle::Get())));
 
   // The |thread_pipe_manager_| must be set up correctly before features are
   // registered.
   thread_pipe_manager_ = base::MakeUnique<ThreadPipeManager>(
       io_thread_task_runner_, net_components_->GetBrowserConnectionHandler());
 
+  RegisterFeatures();
+
   // Initialize must only be posted after the calls features have been
   // registered.
   io_thread_task_runner_->PostTask(
       FROM_HERE, base::Bind(&ClientNetworkComponents::Initialize,
                             base::Unretained(net_components_.get())));
+
+  // Create a single tab's WebContents.
+  // TODO(kmarshall): Remove this once we add tab-literacy to Blimp.
+  GetTabControlFeature()->CreateTab(kDummyTabId);

[David Trainor- moved to gerrit, 2016/08/18 17:41:58]

We don't need this.  It'll be driven by the Chrome layer.

[Menglin, 2016/08/19 00:50:21]

Done.

 }
 
 BlimpClientContextImpl::~BlimpClientContextImpl() {
   io_thread_task_runner_->DeleteSoon(FROM_HERE, net_components_.release());
 }
 
 void BlimpClientContextImpl::SetDelegate(BlimpClientContextDelegate* delegate) {
   delegate_ = delegate;
 }
 
 std::unique_ptr<BlimpContents> BlimpClientContextImpl::CreateBlimpContents() {
   std::unique_ptr<BlimpContents> blimp_contents =
-      blimp_contents_manager_->CreateBlimpContents();
+      blimp_contents_manager_->CreateBlimpContents(tab_control_feature_.get());
   delegate_->AttachBlimpContentsHelpers(blimp_contents.get());
   return blimp_contents;
 }
 
 void BlimpClientContextImpl::Connect(const std::string& client_auth_token) {
   if (!assignment_source_) {
     assignment_source_.reset(new AssignmentSource(
         GetAssignerURL(), io_thread_task_runner_, file_thread_task_runner_));
   }
 
   VLOG(1) << "Trying to get assignment.";
   assignment_source_->GetAssignment(
       client_auth_token,
       base::Bind(&BlimpClientContextImpl::ConnectWithAssignment,
                  weak_factory_.GetWeakPtr()));
 }
 
 void BlimpClientContextImpl::OnConnected() {}
 
 void BlimpClientContextImpl::OnDisconnected(int result) {}
 
+TabControlFeature* BlimpClientContextImpl::GetTabControlFeature() const {
+  return tab_control_feature_.get();
+}
+
 GURL BlimpClientContextImpl::GetAssignerURL() {
   return GURL(kDefaultAssignerUrl);
 }
 
 void BlimpClientContextImpl::ConnectWithAssignment(
     AssignmentRequestResult result,
     const Assignment& assignment) {
   VLOG(1) << "Assignment result: " << result;
 
   if (delegate_) {
     delegate_->OnAssignmentConnectionAttempted(result, assignment);
   }
 
   if (result != ASSIGNMENT_REQUEST_RESULT_OK) {
     LOG(ERROR) << "Assignment failed, reason: " << result;
     return;
   }
 
   io_thread_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&ClientNetworkComponents::ConnectWithAssignment,
                  base::Unretained(net_components_.get()), assignment));
 }
 
+void BlimpClientContextImpl::RegisterFeatures() {
+  // Register features' message senders and receivers.
+  tab_control_feature_->set_outgoing_message_processor(
+      thread_pipe_manager_->RegisterFeature(BlimpMessage::kTabControl,
+                                            tab_control_feature_.get()));
+}
+
 }  // namespace client
 }  // namespace blimp