Keep only base/extractor.[cc|h].

goopdate/app_state.h

-// Copyright 2009-2010 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-
-#ifndef OMAHA_GOOPDATE_APP_STATE_H_
-#define OMAHA_GOOPDATE_APP_STATE_H_
-
-#include <windows.h>
-#include <atlstr.h>
-#include "base/basictypes.h"
-#include "base/scoped_ptr.h"
-#include "omaha/common/const_goopdate.h"
-#include "omaha/common/ping_event.h"
-#include "omaha/goopdate/installer_result_info.h"
-#include "goopdate/omaha3_idl.h"
-
-namespace omaha {
-
-class  App;
-struct ErrorContext;
-class  DownloadManagerInterface;
-class  InstallManagerInterface;
-
-namespace xml {
-
-class UpdateRequest;
-class UpdateResponse;
-
-}  // namespace xml
-
-namespace fsm {
-
-// Defines the interface for encapsulating behavior associated with a particular
-// state of the App object.
-// All state transition calls should go through App, meaning it is the only
-// class that should use this interface.
-class AppState {
- public:
-  virtual ~AppState() {}
-
-  // Design note: avoid switch and conditional statements on CurrentState. They
-  // break polymorphism and they are a poor substitute for RTTI.
-  CurrentState state() const { return state_; }
-
-  // Creates a ping event for the current state. The caller owns the returned
-  // object.
-  virtual const PingEvent* CreatePingEvent(App* app,
-                                           CurrentState previous_state) const;
-
-  virtual void QueueUpdateCheck(App* app);
-
-  virtual void PreUpdateCheck(App* app, xml::UpdateRequest* update_request);
-
-  virtual void PostUpdateCheck(App* app,
-                               HRESULT result,
-                               xml::UpdateResponse* update_response);
-
-  virtual void QueueDownload(App* app);
-
-  // Queues the download for a download and install operation.
-  virtual void QueueDownloadOrInstall(App* app);
-
-  virtual void Download(App* app, DownloadManagerInterface* download_manager);
-
-  virtual void Downloading(App* app);
-
-  virtual void DownloadComplete(App* app);
-
-  virtual void MarkReadyToInstall(App* app);
-
-  virtual void QueueInstall(App* app);
-
-  virtual void Install(App* app, InstallManagerInterface* install_manager);
-
-  virtual void Installing(App* app);
-
-  virtual void ReportInstallerComplete(App* app,
-                                       const InstallerResultInfo& result_info);
-
-  virtual void Pause(App* app);
-
-  virtual void Cancel(App* app);
-
-  virtual void Error(App* app,
-                     const ErrorContext& error_context,
-                     const CString& message);
-
- protected:
-  explicit AppState(CurrentState state) : state_(state) {}
-
-  // After calling this method, the old state (this object) is deleted and the
-  // code may not reference the members of the old state anymore.
-  void ChangeState(App* app, AppState* app_state);
-
-  void HandleInvalidStateTransition(App* app, const TCHAR* function_name);
-
-  static PingEvent::Results GetCompletionResult(const App& app);
-
- private:
-  // TODO(omaha): rename to CurrentStateId or similar.
-  const CurrentState state_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppState);
-};
-
-}  // namespace fsm
-
-}  // namespace omaha
-
-#endif  // OMAHA_GOOPDATE_APP_STATE_H_