Make //blimp/client/app a real embedder of //blimp/client/public

blimp/client/app/session/blimp_client_session.h

-// Copyright 2015 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.
-
-#ifndef BLIMP_CLIENT_APP_SESSION_BLIMP_CLIENT_SESSION_H_
-#define BLIMP_CLIENT_APP_SESSION_BLIMP_CLIENT_SESSION_H_
-
-#include <memory>
-#include <string>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/thread.h"
-#include "blimp/client/core/compositor/blob_image_serialization_processor.h"
-#include "blimp/client/core/session/assignment_source.h"
-#include "blimp/client/core/session/network_event_observer.h"
-#include "blimp/client/public/session/assignment.h"
-#include "blimp/common/proto/blimp_message.pb.h"
-#include "blimp/net/blimp_message_processor.h"
-
-namespace blimp {
-
-class BlobChannelReceiver;
-class HeliumBlobReceiverDelegate;
-class ThreadPipeManager;
-
-namespace client {
-
-class ClientNetworkComponents;
-class GeolocationFeature;
-class NavigationFeature;
-class ImeFeature;
-class RenderWidgetFeature;
-class TabControlFeature;
-
-// BlimpClientSession represents a single active session of Blimp on the client
-// regardless of whether or not the client application is in the background or
-// foreground.  The only time this session is invalid is during initialization
-// and shutdown of this particular client process (or Activity on Android).
-//
-// This session glues together the feature proxy components and the network
-// layer.  The network components must be interacted with on the IO thread.  The
-// feature proxies must be interacted with on the UI thread.
-class BlimpClientSession
-    : public NetworkEventObserver,
-      public BlobImageSerializationProcessor::ErrorDelegate {
- public:
-  explicit BlimpClientSession(const GURL& assigner_endpoint);
-
-  // Uses the AssignmentSource to get an Assignment and then uses the assignment
-  // configuration to connect to the Blimplet.
-  // |client_auth_token| is the OAuth2 access token to use when querying
-  // for an assignment.  This token needs the OAuth2 scope of userinfo.email and
-  // only needs to be an access token, not a refresh token.
-  void Connect(const std::string& client_auth_token);
-
-  TabControlFeature* GetTabControlFeature() const;
-  NavigationFeature* GetNavigationFeature() const;
-  ImeFeature* GetImeFeature() const;
-  RenderWidgetFeature* GetRenderWidgetFeature() const;
-
-  // The AssignmentCallback for when an assignment is ready. This will trigger
-  // a connection to the engine.
-  virtual void ConnectWithAssignment(AssignmentRequestResult result,
-                                     const Assignment& assignment);
-
- protected:
-  ~BlimpClientSession() override;
-
-  // Notified every time the AssignmentSource returns the result of an attempted
-  // assignment request.
-  virtual void OnAssignmentConnectionAttempted(AssignmentRequestResult result,
-                                               const Assignment& assignment);
-
- private:
-  void RegisterFeatures();
-
-  // Terminates the active connection held by |net_connections_| on the IO
-  // thread. Should be called on the main thread.
-  void DropConnection();
-
-  // NetworkEventObserver implementation.
-  void OnConnected() override;
-  void OnDisconnected(int result) override;
-
-  // BlobImageSerializationProcessor::ErrorDelegate implementation.
-  void OnImageDecodeError() override;
-
-  base::Thread io_thread_;
-
-  // Receives blob BlimpMessages and relays them to BlobChannelReceiver.
-  // Owned by BlobChannelReceiver, therefore stored as a raw pointer here.
-  HeliumBlobReceiverDelegate* blob_delegate_ = nullptr;
-
-  // Retrieves and decodes image data from |blob_receiver_|. Must outlive
-  // |blob_receiver_|.
-  BlobImageSerializationProcessor blob_image_processor_;
-
-  std::unique_ptr<BlobChannelReceiver> blob_receiver_;
-  std::unique_ptr<GeolocationFeature> geolocation_feature_;
-  std::unique_ptr<TabControlFeature> tab_control_feature_;
-  std::unique_ptr<NavigationFeature> navigation_feature_;
-  std::unique_ptr<ImeFeature> ime_feature_;
-  std::unique_ptr<RenderWidgetFeature> render_widget_feature_;
-
-  // The AssignmentSource is used when the user of BlimpClientSession calls
-  // Connect() to get a valid assignment and later connect to the engine.
-  std::unique_ptr<AssignmentSource> assignment_source_;
-
-  // Container struct for network components.
-  // Must be deleted on the IO thread.
-  std::unique_ptr<ClientNetworkComponents> net_components_;
-
-  std::unique_ptr<ThreadPipeManager> thread_pipe_manager_;
-
-  base::WeakPtrFactory<BlimpClientSession> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BlimpClientSession);
-};
-
-}  // namespace client
-}  // namespace blimp
-
-#endif  // BLIMP_CLIENT_APP_SESSION_BLIMP_CLIENT_SESSION_H_