storage/src/mozStorageConnection.h
author dtownsend@oxymoronical.com
Tue, 29 Jan 2008 18:00:45 -0800
changeset 10979 6e65d9a3ce0fe82b0205f096b7725a91da479bb0
parent 3228 8b56964ced65686ea612a025ccdedd3abc75ab95
child 15747 4f80171d205ea1ac1b0b20ca1d299d6894ea3ae0
permissions -rw-r--r--
Bug 406807: Remove unneccesary parts of xpinstall. r=bsmedberg, sr=dveditz, a=damons

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Oracle Corporation code.
 *
 * The Initial Developer of the Original Code is
 *  Oracle Corporation
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Vladimir Vukicevic <vladimir.vukicevic@oracle.com>
 *   Lev Serebryakov <lev@serebryakov.spb.ru>
 *
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 * either the GNU General Public License Version 2 or later (the "GPL"), or
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#ifndef _MOZSTORAGECONNECTION_H_
#define _MOZSTORAGECONNECTION_H_

#include "nsCOMPtr.h"

#include "nsString.h"
#include "nsDataHashtable.h"
#include "mozIStorageProgressHandler.h"
#include "mozIStorageConnection.h"

#include "nsIMutableArray.h"

#include <sqlite3.h>

class nsIFile;
class mozIStorageService;

class mozStorageConnection : public mozIStorageConnection
{
public:

    mozStorageConnection(mozIStorageService* aService);

    NS_IMETHOD Initialize(nsIFile *aDatabaseFile);

    // interfaces
    NS_DECL_ISUPPORTS
    NS_DECL_MOZISTORAGECONNECTION

    // fetch the native handle
    sqlite3 *GetNativeConnection() { return mDBConn; }

private:
    ~mozStorageConnection();

protected:
    struct FindFuncEnumArgs {
        nsISupports *mTarget;
        PRBool       mFound;
    };

    void HandleSqliteError(const char *aSqlStatement);
    static PLDHashOperator s_FindFuncEnum(const nsACString &aKey,
                                          nsISupports* aData, void* userArg);
    static PLDHashOperator s_ReleaseFuncEnum(const nsACString &aKey,
                                             nsISupports* aData, void* userArg);
    PRBool FindFunctionByInstance(nsISupports *aInstance);

    static int s_ProgressHelper(void *arg);
    // Generic progress handler
    // Dispatch call to registered progress handler,
    // if there is one. Do nothing in other cases.
    int ProgressHandler();

    sqlite3 *mDBConn;
    nsCOMPtr<nsIFile> mDatabaseFile;
    PRBool mTransactionInProgress;

    nsDataHashtable<nsCStringHashKey, nsISupports*> mFunctions;

    nsCOMPtr<mozIStorageProgressHandler> mProgressHandler;

    // This isn't accessed but is used to make sure that the connections do
    // not outlive the service. The service, for example, owns certain locks
    // in mozStorageAsyncIO file that the connections depend on.
    nsCOMPtr<mozIStorageService> mStorageService;
};

#endif /* _MOZSTORAGECONNECTION_H_ */