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      1 /*
      2  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef WebDatabaseManager_h
     30 #define WebDatabaseManager_h
     31 
     32 #if ENABLE(DATABASE)
     33 
     34 #include "WebKit.h"
     35 #include <WebCore/DatabaseTrackerClient.h>
     36 
     37 class WebDatabaseManager : public IWebDatabaseManager, private WebCore::DatabaseTrackerClient {
     38 public:
     39     static WebDatabaseManager* createInstance();
     40 
     41     // IUnknown
     42     virtual HRESULT STDMETHODCALLTYPE QueryInterface(
     43         /* [in] */ REFIID riid,
     44         /* [iid_is][out] */ void** ppvObject);
     45 
     46     virtual ULONG STDMETHODCALLTYPE AddRef();
     47 
     48     virtual ULONG STDMETHODCALLTYPE Release();
     49 
     50     // IWebDatabaseManager
     51     virtual HRESULT STDMETHODCALLTYPE sharedWebDatabaseManager(
     52         /* [retval][out] */ IWebDatabaseManager** result);
     53 
     54     virtual HRESULT STDMETHODCALLTYPE origins(
     55         /* [retval][out] */ IEnumVARIANT** result);
     56 
     57     virtual HRESULT STDMETHODCALLTYPE databasesWithOrigin(
     58         /* [in] */ IWebSecurityOrigin* origin,
     59         /* [retval][out] */ IEnumVARIANT** result);
     60 
     61     virtual HRESULT STDMETHODCALLTYPE detailsForDatabase(
     62         /* [in] */ BSTR databaseName,
     63         /* [in] */ IWebSecurityOrigin* origin,
     64         /* [retval][out] */ IPropertyBag** result);
     65 
     66     virtual HRESULT STDMETHODCALLTYPE deleteAllDatabases();
     67 
     68     virtual HRESULT STDMETHODCALLTYPE deleteOrigin(
     69         /* [in] */ IWebSecurityOrigin* origin);
     70 
     71     virtual HRESULT STDMETHODCALLTYPE deleteDatabase(
     72         /* [in] */ BSTR databaseName,
     73         /* [in] */ IWebSecurityOrigin* origin);
     74 
     75     virtual HRESULT STDMETHODCALLTYPE setQuota(
     76         /* [in] */ BSTR origin,
     77         /* [in] */ unsigned long long quota);
     78 
     79     // DatabaseTrackerClient
     80     virtual void dispatchDidModifyOrigin(WebCore::SecurityOrigin*);
     81     virtual void dispatchDidModifyDatabase(WebCore::SecurityOrigin*, const WTF::String& databaseName);
     82 
     83 private:
     84     WebDatabaseManager();
     85     ~WebDatabaseManager();
     86 
     87     ULONG m_refCount;
     88 };
     89 
     90 void WebKitInitializeWebDatabasesIfNecessary();
     91 
     92 #endif
     93 
     94 #endif
     95