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-rw-r--r--chromium/components/dom_distiller/core/dom_distiller_database.h124
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diff --git a/chromium/components/dom_distiller/core/dom_distiller_database.h b/chromium/components/dom_distiller/core/dom_distiller_database.h
deleted file mode 100644
index ca3d80ba853..00000000000
--- a/chromium/components/dom_distiller/core/dom_distiller_database.h
+++ /dev/null
@@ -1,124 +0,0 @@
-// Copyright 2013 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 COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_DATABASE_H_
-#define COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_DATABASE_H_
-
-#include <string>
-#include <vector>
-
-#include "base/callback.h"
-#include "base/files/file_path.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/scoped_vector.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/thread_checker.h"
-#include "base/threading/thread_collision_warner.h"
-#include "components/dom_distiller/core/article_entry.h"
-
-namespace base {
-class SequencedTaskRunner;
-class MessageLoop;
-}
-
-namespace leveldb {
-class DB;
-}
-
-namespace dom_distiller {
-
-typedef std::vector<ArticleEntry> EntryVector;
-
-// Interface for classes providing persistent storage of DomDistiller entries.
-class DomDistillerDatabaseInterface {
- public:
- typedef std::vector<std::string> ArticleEntryIds;
- typedef base::Callback<void(bool success)> InitCallback;
- typedef base::Callback<void(bool success)> UpdateCallback;
- typedef base::Callback<void(bool success, scoped_ptr<EntryVector>)>
- LoadCallback;
-
- virtual ~DomDistillerDatabaseInterface() {}
-
- // Asynchronously initializes the object. |callback| will be invoked on the UI
- // thread when complete.
- virtual void Init(const base::FilePath& database_dir,
- InitCallback callback) = 0;
-
- // Asynchronously saves |entries_to_save| and deletes entries from
- // |entries_to_remove| from the database. |callback| will be invoked on the UI
- // thread when complete.
- virtual void UpdateEntries(scoped_ptr<EntryVector> entries_to_save,
- scoped_ptr<EntryVector> entries_to_remove,
- UpdateCallback callback) = 0;
-
- // Asynchronously loads all entries from the database and invokes |callback|
- // when complete.
- virtual void LoadEntries(LoadCallback callback) = 0;
-};
-
-// When the DomDistillerDatabase instance is deleted, in-progress asynchronous
-// operations will be completed and the corresponding callbacks will be called.
-class DomDistillerDatabase
- : public DomDistillerDatabaseInterface {
- public:
- // The underlying database. Calls to this type may be blocking.
- class Database {
- public:
- virtual bool Init(const base::FilePath& database_dir) = 0;
- virtual bool Save(const EntryVector& entries_to_save,
- const EntryVector& entries_to_remove) = 0;
- virtual bool Load(EntryVector* entries) = 0;
- virtual ~Database() {}
- };
-
- // Once constructed, function calls and destruction should all occur on the
- // same thread (not necessarily the same as the constructor).
- class LevelDB : public Database {
- public:
- LevelDB();
- virtual ~LevelDB();
- virtual bool Init(const base::FilePath& database_dir) OVERRIDE;
- virtual bool Save(const EntryVector& entries_to_save,
- const EntryVector& entries_to_remove) OVERRIDE;
- virtual bool Load(EntryVector* entries) OVERRIDE;
-
- private:
- DFAKE_MUTEX(thread_checker_);
- scoped_ptr<leveldb::DB> db_;
- };
-
- explicit DomDistillerDatabase(
- scoped_refptr<base::SequencedTaskRunner> task_runner);
-
- virtual ~DomDistillerDatabase();
-
- // DomDistillerDatabaseInterface implementation.
- virtual void Init(const base::FilePath& database_dir,
- InitCallback callback) OVERRIDE;
- virtual void UpdateEntries(scoped_ptr<EntryVector> entries_to_save,
- scoped_ptr<EntryVector> entries_to_remove,
- UpdateCallback callback) OVERRIDE;
- virtual void LoadEntries(LoadCallback callback) OVERRIDE;
-
- // Allow callers to provide their own Database implementation.
- void InitWithDatabase(scoped_ptr<Database> database,
- const base::FilePath& database_dir,
- InitCallback callback);
-
- private:
- base::ThreadChecker thread_checker_;
-
- // Used to run blocking tasks in-order.
- scoped_refptr<base::SequencedTaskRunner> task_runner_;
-
- scoped_ptr<Database> db_;
-
- DISALLOW_COPY_AND_ASSIGN(DomDistillerDatabase);
-};
-
-} // namespace dom_distiller
-
-#endif // COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_DATABASE_H_