Cleanup blimp/client/core code organization.

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 <utility>
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/memory/ptr_util.h"
-#include "base/message_loop/message_loop.h"
-#include "base/metrics/histogram_macros.h"
-#include "base/threading/sequenced_task_runner_handle.h"
-#include "blimp/client/core/blimp_client_switches.h"
-#include "blimp/client/core/compositor/blimp_compositor_dependencies.h"
-#include "blimp/client/core/compositor/blob_channel_feature.h"
-#include "blimp/client/core/contents/blimp_contents_impl.h"
-#include "blimp/client/core/contents/blimp_contents_manager.h"
-#include "blimp/client/core/contents/ime_feature.h"
-#include "blimp/client/core/contents/navigation_feature.h"
-#include "blimp/client/core/contents/tab_control_feature.h"
-#include "blimp/client/core/geolocation/geolocation_feature.h"
-#include "blimp/client/core/render_widget/render_widget_feature.h"
-#include "blimp/client/core/session/cross_thread_network_event_observer.h"
-#include "blimp/client/core/settings/settings_feature.h"
-#include "blimp/client/public/blimp_client_context_delegate.h"
-#include "blimp/client/public/compositor/compositor_dependencies.h"
-#include "device/geolocation/geolocation_delegate.h"
-#include "device/geolocation/location_arbitrator.h"
-#include "ui/gfx/native_widget_types.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";
-
-void DropConnectionOnIOThread(ClientNetworkComponents* net_components) {
-  net_components->GetBrowserConnectionHandler()->DropCurrentConnection();
-}
-
-}  // 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,
-    std::unique_ptr<CompositorDependencies> compositor_dependencies) {
-#if defined(OS_ANDROID)
-  return new BlimpClientContextImplAndroid(io_thread_task_runner,
-                                           file_thread_task_runner,
-                                           std::move(compositor_dependencies));
-#else
-  return new BlimpClientContextImpl(io_thread_task_runner,
-                                    file_thread_task_runner,
-                                    std::move(compositor_dependencies));
-#endif  // defined(OS_ANDROID)
-}
-
-BlimpClientContextImpl::BlimpClientContextImpl(
-    scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner,
-    scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner,
-    std::unique_ptr<CompositorDependencies> compositor_dependencies)
-    : BlimpClientContext(),
-      io_thread_task_runner_(io_thread_task_runner),
-      file_thread_task_runner_(file_thread_task_runner),
-      blimp_compositor_dependencies_(
-          base::MakeUnique<BlimpCompositorDependencies>(
-              std::move(compositor_dependencies))),
-      blob_channel_feature_(new BlobChannelFeature(this)),
-      geolocation_feature_(base::MakeUnique<GeolocationFeature>(
-          base::MakeUnique<device::LocationArbitrator>(
-              base::MakeUnique<device::GeolocationDelegate>()))),
-      ime_feature_(new ImeFeature),
-      navigation_feature_(new NavigationFeature),
-      render_widget_feature_(new RenderWidgetFeature),
-      settings_feature_(new SettingsFeature),
-      tab_control_feature_(new TabControlFeature),
-      blimp_contents_manager_(
-          new BlimpContentsManager(blimp_compositor_dependencies_.get(),
-                                   ime_feature_.get(),
-                                   navigation_feature_.get(),
-                                   render_widget_feature_.get(),
-                                   tab_control_feature_.get())),
-      weak_factory_(this) {
-  net_components_.reset(new ClientNetworkComponents(
-      base::MakeUnique<CrossThreadNetworkEventObserver>(
-          connection_status_.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();
-  InitializeSettings();
-
-  // Initialize must only be posted after the features have been
-  // registered.
-  io_thread_task_runner_->PostTask(
-      FROM_HERE, base::Bind(&ClientNetworkComponents::Initialize,
-                            base::Unretained(net_components_.get())));
-
-  UMA_HISTOGRAM_BOOLEAN("Blimp.Supported", true);
-}
-
-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(
-    gfx::NativeWindow window) {
-  std::unique_ptr<BlimpContents> blimp_contents =
-      blimp_contents_manager_->CreateBlimpContents(window);
-  if (blimp_contents)
-    delegate_->AttachBlimpContentsHelpers(blimp_contents.get());
-  return blimp_contents;
-}
-
-void BlimpClientContextImpl::Connect() {
-  // Start Blimp authentication flow. The OAuth2 token will be used in
-  // assignment source.
-  GetIdentitySource()->Connect();
-}
-
-void BlimpClientContextImpl::ConnectWithAssignment(
-    const Assignment& assignment) {
-  io_thread_task_runner_->PostTask(
-      FROM_HERE,
-      base::Bind(&ClientNetworkComponents::ConnectWithAssignment,
-                 base::Unretained(net_components_.get()), assignment));
-}
-
-void BlimpClientContextImpl::OnAuthTokenReceived(
-    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::OnAssignmentReceived,
-                 weak_factory_.GetWeakPtr()));
-}
-
-GURL BlimpClientContextImpl::GetAssignerURL() {
-  return GURL(kDefaultAssignerUrl);
-}
-
-IdentitySource* BlimpClientContextImpl::GetIdentitySource() {
-  if (!identity_source_) {
-    CreateIdentitySource();
-  }
-  return identity_source_.get();
-}
-
-ConnectionStatus* BlimpClientContextImpl::GetConnectionStatus() {
-  return &connection_status_;
-}
-
-void BlimpClientContextImpl::OnAssignmentReceived(
-    AssignmentRequestResult result,
-    const Assignment& assignment) {
-  VLOG(1) << "Assignment result: " << result;
-
-  // Cache engine info.
-  connection_status_.OnAssignmentResult(result, assignment);
-
-  // Inform the embedder of the assignment result.
-  if (delegate_) {
-    delegate_->OnAssignmentConnectionAttempted(result, assignment);
-  }
-
-  if (result != ASSIGNMENT_REQUEST_RESULT_OK) {
-    LOG(ERROR) << "Assignment failed, reason: " << result;
-    return;
-  }
-
-  ConnectWithAssignment(assignment);
-}
-
-void BlimpClientContextImpl::RegisterFeatures() {
-  // Register features' message senders and receivers.
-  thread_pipe_manager_->RegisterFeature(BlimpMessage::kBlobChannel,
-                                        blob_channel_feature_.get());
-  geolocation_feature_->set_outgoing_message_processor(
-      thread_pipe_manager_->RegisterFeature(BlimpMessage::kGeolocation,
-                                            geolocation_feature_.get()));
-  ime_feature_->set_outgoing_message_processor(
-      thread_pipe_manager_->RegisterFeature(BlimpMessage::kIme,
-                                            ime_feature_.get()));
-  navigation_feature_->set_outgoing_message_processor(
-      thread_pipe_manager_->RegisterFeature(BlimpMessage::kNavigation,
-                                            navigation_feature_.get()));
-  render_widget_feature_->set_outgoing_input_message_processor(
-      thread_pipe_manager_->RegisterFeature(BlimpMessage::kInput,
-                                            render_widget_feature_.get()));
-  render_widget_feature_->set_outgoing_compositor_message_processor(
-      thread_pipe_manager_->RegisterFeature(BlimpMessage::kCompositor,
-                                            render_widget_feature_.get()));
-  thread_pipe_manager_->RegisterFeature(BlimpMessage::kRenderWidget,
-                                        render_widget_feature_.get());
-  settings_feature_->set_outgoing_message_processor(
-      thread_pipe_manager_->RegisterFeature(BlimpMessage::kSettings,
-                                            settings_feature_.get()));
-  tab_control_feature_->set_outgoing_message_processor(
-      thread_pipe_manager_->RegisterFeature(BlimpMessage::kTabControl,
-                                            tab_control_feature_.get()));
-}
-
-void BlimpClientContextImpl::InitializeSettings() {
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kDownloadWholeDocument))
-    settings_feature_->SetRecordWholeDocument(true);
-}
-
-void BlimpClientContextImpl::DropConnection() {
-  io_thread_task_runner_->PostTask(
-      FROM_HERE, base::Bind(&DropConnectionOnIOThread, net_components_.get()));
-}
-
-void BlimpClientContextImpl::CreateIdentitySource() {
-  identity_source_ = base::MakeUnique<IdentitySource>(
-      delegate_, base::Bind(&BlimpClientContextImpl::OnAuthTokenReceived,
-                            base::Unretained(this)));
-}
-
-void BlimpClientContextImpl::OnImageDecodeError() {
-  // Currently we just drop the connection on image decoding error.
-  DropConnection();
-}
-
-}  // namespace client
-}  // namespace blimp