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Unified Diff: chrome/browser/sync/glue/model_association_manager.h

Issue 133503011: Move files from //chrome/browser/sync to sync_driver component. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 11 months ago
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Index: chrome/browser/sync/glue/model_association_manager.h
diff --git a/chrome/browser/sync/glue/model_association_manager.h b/chrome/browser/sync/glue/model_association_manager.h
deleted file mode 100644
index 4f736ecde59a54120f5c33daa59b913cb015bd8b..0000000000000000000000000000000000000000
--- a/chrome/browser/sync/glue/model_association_manager.h
+++ /dev/null
@@ -1,158 +0,0 @@
-// Copyright (c) 2012 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 CHROME_BROWSER_SYNC_GLUE_MODEL_ASSOCIATION_MANAGER_H__
-#define CHROME_BROWSER_SYNC_GLUE_MODEL_ASSOCIATION_MANAGER_H__
-
-#include <map>
-
-#include "base/memory/weak_ptr.h"
-#include "base/timer/timer.h"
-
-#include "components/sync_driver/data_type_manager.h"
-#include "sync/internal_api/public/data_type_association_stats.h"
-#include "sync/internal_api/public/util/weak_handle.h"
-
-// |ModelAssociationManager| does the heavy lifting for doing the actual model
-// association. It instructs DataTypeControllers to load models, start
-// associating and stopping. Since the operations are async it uses an
-// interface to inform DataTypeManager the results of the operations.
-// This class is owned by DataTypeManager.
-namespace browser_sync {
-
-class DataTypeController;
-
-// |ModelAssociationManager| association functions are async. The results of
-// those operations are passed back via this interface.
-class ModelAssociationResultProcessor {
- public:
- virtual void OnSingleDataTypeAssociationDone(
- syncer::ModelType type,
- const syncer::DataTypeAssociationStats& association_stats) = 0;
- virtual void OnModelAssociationDone(
- const DataTypeManager::ConfigureResult& result) = 0;
- virtual ~ModelAssociationResultProcessor() {}
-};
-
-// The class that is responsible for model association.
-class ModelAssociationManager {
- public:
- ModelAssociationManager(const DataTypeController::TypeMap* controllers,
- ModelAssociationResultProcessor* processor);
- virtual ~ModelAssociationManager();
-
- // Initializes the state to do the model association in future. This
- // should be called before communicating with sync server. A subsequent call
- // of Initialize is only allowed if the ModelAssociationManager has invoked
- // |OnModelAssociationDone| on the |ModelAssociationResultProcessor|. After
- // this call, there should be several calls to StartAssociationAsync()
- // to associate subset of |desired_types|.
- void Initialize(syncer::ModelTypeSet desired_types);
-
- // Can be called at any time. Synchronously stops all datatypes.
- void Stop();
-
- // Should only be called after Initialize to start the actual association.
- // |types_to_associate| should be subset of |desired_types| in Initialize().
- // When this is completed, |OnModelAssociationDone| will be invoked.
- void StartAssociationAsync(const syncer::ModelTypeSet& types_to_associate);
-
- // This is used for TESTING PURPOSE ONLY. The test case can inspect
- // and modify the timer.
- // TODO(sync) : This would go away if we made this class be able to do
- // Dependency injection. crbug.com/129212.
- base::OneShotTimer<ModelAssociationManager>* GetTimerForTesting();
-
- private:
- enum State {
- // This is the state after |Initialize| is called.
- INITIALIZED_TO_CONFIGURE,
- // Starting a new configuration.
- CONFIGURING,
- // No configuration is in progress.
- IDLE
- };
-
- // Called at the end of association to reset state to prepare for next
- // round of association.
- void ResetForNextAssociation();
-
- // Called by Initialize() to stop types that are not in |desired_types_|.
- void StopDisabledTypes();
-
- // Start loading non-running types that are in |desired_types_|.
- void LoadEnabledTypes();
-
- // Callback passed to each data type controller on starting association. This
- // callback will be invoked when the model association is done.
- void TypeStartCallback(syncer::ModelType type,
- base::TimeTicks type_start_time,
- DataTypeController::StartResult start_result,
- const syncer::SyncMergeResult& local_merge_result,
- const syncer::SyncMergeResult& syncer_merge_result);
-
- // Callback that will be invoked when the models finish loading. This callback
- // will be passed to |LoadModels| function.
- void ModelLoadCallback(syncer::ModelType type, syncer::SyncError error);
-
- // When a type fails to load or fails associating this method is invoked to
- // do the book keeping and do the UMA reporting.
- void AppendToFailedDatatypesAndLogError(const syncer::SyncError& error);
-
- // Called when all requested types are associated or association times out.
- // Notify |result_processor_| of configuration results.
- void ModelAssociationDone();
-
- State state_;
-
- // Data types that are enabled.
- syncer::ModelTypeSet desired_types_;
-
- // Data types that are requested to associate.
- syncer::ModelTypeSet requested_types_;
-
- // Data types currently being associated, including types waiting for model
- // load.
- syncer::ModelTypeSet associating_types_;
-
- // Data types that are loaded, i.e. ready to associate.
- syncer::ModelTypeSet loaded_types_;
-
- // Data types that are associated, i.e. no more action needed during
- // reconfiguration if not disabled.
- syncer::ModelTypeSet associated_types_;
-
- // Data types that are still loading/associating when configuration times
- // out.
- syncer::ModelTypeSet slow_types_;
-
- // Collects the list of errors resulting from failing to start a type. This
- // would eventually be sent to the listeners after all the types have
- // been given a chance to start.
- std::map<syncer::ModelType, syncer::SyncError> failed_data_types_info_;
-
- // The set of types that can't configure due to cryptographer errors.
- syncer::ModelTypeSet needs_crypto_types_;
-
- // Time when StartAssociationAsync() is called to associate for a set of data
- // types.
- base::TimeTicks association_start_time_;
-
- // Set of all registered controllers.
- const DataTypeController::TypeMap* controllers_;
-
- // The processor in charge of handling model association results.
- ModelAssociationResultProcessor* result_processor_;
-
- // Timer to track and limit how long a datatype takes to model associate.
- base::OneShotTimer<ModelAssociationManager> timer_;
-
- base::WeakPtrFactory<ModelAssociationManager> weak_ptr_factory_;
-
- DataTypeManager::ConfigureStatus configure_status_;
-
- DISALLOW_COPY_AND_ASSIGN(ModelAssociationManager);
-};
-} // namespace browser_sync
-#endif // CHROME_BROWSER_SYNC_GLUE_MODEL_ASSOCIATION_MANAGER_H__

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