mirror of
https://bitbucket.org/chromiumembedded/cef
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23e155dca1
- WebKit API upstreamed requiring header include path changes. - AppCache, Database and ResourceLoader updates. git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@65 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
82 lines
3.3 KiB
C++
82 lines
3.3 KiB
C++
// Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this
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// source code is governed by a BSD-style license that can be found in the
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// LICENSE file.
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#ifndef _BROWSER_DATABASE_SYSTEM_H
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#define _BROWSER_DATABASE_SYSTEM_H
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#include "base/file_path.h"
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#include "base/hash_tables.h"
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#include "base/lock.h"
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#include "base/platform_file.h"
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#include "base/ref_counted.h"
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#include "base/scoped_temp_dir.h"
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#include "base/string16.h"
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#include "third_party/WebKit/WebKit/chromium/public/WebDatabaseObserver.h"
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#include "webkit/database/database_connections.h"
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#include "webkit/database/database_tracker.h"
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class BrowserDatabaseSystem : public webkit_database::DatabaseTracker::Observer,
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public WebKit::WebDatabaseObserver {
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public:
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static BrowserDatabaseSystem* GetInstance();
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BrowserDatabaseSystem();
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~BrowserDatabaseSystem();
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// VFS functions
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base::PlatformFile OpenFile(const string16& vfs_file_name,
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int desired_flags,
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base::PlatformFile* dir_handle);
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int DeleteFile(const string16& vfs_file_name, bool sync_dir);
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long GetFileAttributes(const string16& vfs_file_name);
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long long GetFileSize(const string16& vfs_file_name);
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// database tracker functions
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void DatabaseOpened(const string16& origin_identifier,
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const string16& database_name,
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const string16& description,
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int64 estimated_size);
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void DatabaseModified(const string16& origin_identifier,
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const string16& database_name);
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void DatabaseClosed(const string16& origin_identifier,
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const string16& database_name);
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// DatabaseTracker::Observer implementation
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virtual void OnDatabaseSizeChanged(const string16& origin_identifier,
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const string16& database_name,
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int64 database_size,
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int64 space_available);
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// WebDatabaseObserver implementation
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virtual void databaseOpened(const WebKit::WebDatabase& database);
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virtual void databaseModified(const WebKit::WebDatabase& database);
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virtual void databaseClosed(const WebKit::WebDatabase& database);
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void ClearAllDatabases();
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private:
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// The calls that come from the database tracker run on the main thread.
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// Therefore, we can only call DatabaseUtil::GetFullFilePathForVfsFile()
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// on the main thread. However, the VFS calls run on the DB thread and
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// they need to crack VFS file paths. To resolve this problem, we store
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// a map of vfs_file_names to file_paths. The map is updated on the main
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// thread on each DatabaseOpened() call that comes from the database
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// tracker, and is read on the DB thread by each VFS call.
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void SetFullFilePathsForVfsFile(const string16& origin_identifier,
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const string16& database_name);
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FilePath GetFullFilePathForVfsFile(const string16& vfs_file_name);
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static BrowserDatabaseSystem* instance_;
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ScopedTempDir temp_dir_;
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scoped_refptr<webkit_database::DatabaseTracker> db_tracker_;
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Lock file_names_lock_;
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base::hash_map<string16, FilePath> file_names_;
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webkit_database::DatabaseConnections database_connections_;
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};
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#endif // _BROWSER_DATABASE_SYSTEM_H
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