105 lines
4.4 KiB
C++
105 lines
4.4 KiB
C++
// Copyright (c) 2011 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 _BROWSER_DATABASE_SYSTEM_H
|
|
#define _BROWSER_DATABASE_SYSTEM_H
|
|
|
|
#include "base/file_path.h"
|
|
#include "base/hash_tables.h"
|
|
#include "base/memory/ref_counted.h"
|
|
#include "base/platform_file.h"
|
|
#include "base/scoped_temp_dir.h"
|
|
#include "base/string16.h"
|
|
#include "base/synchronization/lock.h"
|
|
#include "base/threading/thread.h"
|
|
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDatabaseObserver.h"
|
|
#include "webkit/database/database_connections.h"
|
|
#include "webkit/database/database_tracker.h"
|
|
|
|
namespace base {
|
|
class MessageLoopProxy;
|
|
class WaitableEvent;
|
|
}
|
|
|
|
class BrowserDatabaseSystem : public webkit_database::DatabaseTracker::Observer,
|
|
public WebKit::WebDatabaseObserver {
|
|
public:
|
|
static BrowserDatabaseSystem* GetInstance();
|
|
|
|
BrowserDatabaseSystem();
|
|
virtual ~BrowserDatabaseSystem();
|
|
|
|
// WebDatabaseObserver implementation, these are called on the script
|
|
// execution context thread on which the database is opened. This may be
|
|
// the main thread or background WebWorker threads.
|
|
virtual void databaseOpened(const WebKit::WebDatabase& database);
|
|
virtual void databaseModified(const WebKit::WebDatabase& database);
|
|
virtual void databaseClosed(const WebKit::WebDatabase& database);
|
|
|
|
// SQLite VFS related methods, these are called on webcore's
|
|
// background database threads via the WebKitPlatformSupport impl.
|
|
base::PlatformFile OpenFile(const string16& vfs_file_name, int desired_flags);
|
|
int DeleteFile(const string16& vfs_file_name, bool sync_dir);
|
|
uint32 GetFileAttributes(const string16& vfs_file_name);
|
|
int64 GetFileSize(const string16& vfs_file_name);
|
|
int64 GetSpaceAvailable(const string16& origin_identifier);
|
|
|
|
// For use by LayoutTestController, called on the main thread.
|
|
void ClearAllDatabases();
|
|
void SetDatabaseQuota(int64 quota);
|
|
|
|
private:
|
|
// Used by our WebDatabaseObserver impl, only called on the db_thread
|
|
void DatabaseOpened(const string16& origin_identifier,
|
|
const string16& database_name,
|
|
const string16& description,
|
|
int64 estimated_size);
|
|
void DatabaseModified(const string16& origin_identifier,
|
|
const string16& database_name);
|
|
void DatabaseClosed(const string16& origin_identifier,
|
|
const string16& database_name);
|
|
|
|
// DatabaseTracker::Observer implementation
|
|
virtual void OnDatabaseSizeChanged(const string16& origin_identifier,
|
|
const string16& database_name,
|
|
int64 database_size) OVERRIDE;
|
|
virtual void OnDatabaseScheduledForDeletion(
|
|
const string16& origin_identifier,
|
|
const string16& database_name) OVERRIDE;
|
|
|
|
// Used by our public SQLite VFS methods, only called on the db_thread.
|
|
void VfsOpenFile(const string16& vfs_file_name, int desired_flags,
|
|
base::PlatformFile* result, base::WaitableEvent* done_event);
|
|
void VfsDeleteFile(const string16& vfs_file_name, bool sync_dir,
|
|
int* result, base::WaitableEvent* done_event);
|
|
void VfsGetFileAttributes(const string16& vfs_file_name,
|
|
uint32* result, base::WaitableEvent* done_event);
|
|
void VfsGetFileSize(const string16& vfs_file_name,
|
|
int64* result, base::WaitableEvent* done_event);
|
|
void VfsGetSpaceAvailable(const string16& origin_identifier,
|
|
int64* result, base::WaitableEvent* done_event);
|
|
|
|
FilePath GetFullFilePathForVfsFile(const string16& vfs_file_name);
|
|
|
|
void ResetTracker();
|
|
void ThreadCleanup(base::WaitableEvent* done_event);
|
|
|
|
// Where the tracker database file and per origin database files reside.
|
|
ScopedTempDir temp_dir_;
|
|
|
|
// All access to the db_tracker (except for its construction) and
|
|
// vfs operations are serialized on a background thread.
|
|
base::Thread db_thread_;
|
|
scoped_refptr<base::MessageLoopProxy> db_thread_proxy_;
|
|
scoped_refptr<webkit_database::DatabaseTracker> db_tracker_;
|
|
int64 quota_per_origin_;
|
|
|
|
// Data members to support waiting for all connections to be closed.
|
|
scoped_refptr<webkit_database::DatabaseConnectionsWrapper> open_connections_;
|
|
|
|
static BrowserDatabaseSystem* instance_;
|
|
};
|
|
|
|
#endif // _BROWSER_DATABASE_SYSTEM_H
|