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      1 /*
      2  * Copyright (C) 2010 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  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef WebDatabaseManagerProxy_h
     27 #define WebDatabaseManagerProxy_h
     28 
     29 #include "APIObject.h"
     30 #include "Arguments.h"
     31 #include "GenericCallback.h"
     32 #include "OriginAndDatabases.h"
     33 #include "WebDatabaseManagerProxyClient.h"
     34 #include <wtf/HashMap.h>
     35 #include <wtf/PassRefPtr.h>
     36 
     37 namespace CoreIPC {
     38 class ArgumentDecoder;
     39 class Connection;
     40 class MessageID;
     41 }
     42 
     43 namespace WebKit {
     44 
     45 class WebContext;
     46 class WebProcessProxy;
     47 class WebSecurityOrigin;
     48 
     49 typedef GenericCallback<WKArrayRef> ArrayCallback;
     50 
     51 class WebDatabaseManagerProxy : public APIObject {
     52 public:
     53     static const Type APIType = TypeDatabaseManager;
     54 
     55     static PassRefPtr<WebDatabaseManagerProxy> create(WebContext*);
     56     virtual ~WebDatabaseManagerProxy();
     57 
     58     void invalidate();
     59     void clearContext() { m_webContext = 0; }
     60 
     61     void initializeClient(const WKDatabaseManagerClient*);
     62 
     63     void getDatabasesByOrigin(PassRefPtr<ArrayCallback>);
     64     void getDatabaseOrigins(PassRefPtr<ArrayCallback>);
     65     void deleteDatabaseWithNameForOrigin(const String& databaseIdentifier, WebSecurityOrigin*);
     66     void deleteDatabasesForOrigin(WebSecurityOrigin*);
     67     void deleteAllDatabases();
     68     void setQuotaForOrigin(WebSecurityOrigin*, uint64_t quota);
     69 
     70     static String originKey();
     71     static String originQuotaKey();
     72     static String originUsageKey();
     73     static String databaseDetailsKey();
     74     static String databaseDetailsNameKey();
     75     static String databaseDetailsDisplayNameKey();
     76     static String databaseDetailsExpectedUsageKey();
     77     static String databaseDetailsCurrentUsageKey();
     78 
     79     void didReceiveWebDatabaseManagerProxyMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
     80 
     81     bool shouldTerminate(WebProcessProxy*) const;
     82 
     83 private:
     84     explicit WebDatabaseManagerProxy(WebContext*);
     85 
     86     virtual Type type() const { return APIType; }
     87 
     88     // Message handlers.
     89     void didGetDatabasesByOrigin(const Vector<OriginAndDatabases>& originAndDatabases, uint64_t callbackID);
     90     void didGetDatabaseOrigins(const Vector<String>& originIdentifiers, uint64_t callbackID);
     91     void didModifyOrigin(const String& originIdentifier);
     92     void didModifyDatabase(const String& originIdentifier, const String& databaseIdentifier);
     93 
     94     WebContext* m_webContext;
     95     HashMap<uint64_t, RefPtr<ArrayCallback> > m_arrayCallbacks;
     96 
     97     WebDatabaseManagerProxyClient m_client;
     98 };
     99 
    100 } // namespace WebKit
    101 
    102 #endif // DatabaseManagerProxy_h
    103