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      1 /*
      2  * Copyright (C) 2009 Google 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef WebDatabase_h
     32 #define WebDatabase_h
     33 
     34 #include "WebCommon.h"
     35 #include "WebSecurityOrigin.h"
     36 
     37 #if WEBKIT_IMPLEMENTATION
     38 namespace WebCore { class Database; }
     39 namespace WTF { template <typename T> class PassRefPtr; }
     40 #endif
     41 
     42 namespace WebKit {
     43 
     44 class WebDatabaseObserver;
     45 class WebDatabasePrivate;
     46 class WebString;
     47 
     48 class WebDatabase {
     49 public:
     50     WebDatabase() : m_private(0) { }
     51     WebDatabase(const WebDatabase& d) : m_private(0) { assign(d); }
     52     ~WebDatabase() { reset(); }
     53 
     54     WebDatabase& operator=(const WebDatabase& d)
     55     {
     56         assign(d);
     57         return *this;
     58     }
     59 
     60     WEBKIT_API void reset();
     61     WEBKIT_API void assign(const WebDatabase&);
     62     bool isNull() const { return !m_private; }
     63 
     64     WEBKIT_API WebString name() const;
     65     WEBKIT_API WebString displayName() const;
     66     WEBKIT_API unsigned long estimatedSize() const;
     67     WEBKIT_API WebSecurityOrigin securityOrigin() const;
     68 
     69     WEBKIT_API static void setObserver(WebDatabaseObserver*);
     70     WEBKIT_API static WebDatabaseObserver* observer();
     71 
     72     WEBKIT_API static void updateDatabaseSize(
     73         const WebString& originIdentifier, const WebString& databaseName,
     74         unsigned long long databaseSize, unsigned long long spaceAvailable);
     75     WEBKIT_API static void closeDatabaseImmediately(
     76         const WebString& originIdentifier, const WebString& databaseName);
     77 
     78 #if WEBKIT_IMPLEMENTATION
     79     WebDatabase(const WTF::PassRefPtr<WebCore::Database>&);
     80     WebDatabase& operator=(const WTF::PassRefPtr<WebCore::Database>&);
     81     operator WTF::PassRefPtr<WebCore::Database>() const;
     82 #endif
     83 
     84 private:
     85     void assign(WebDatabasePrivate*);
     86 
     87     WebDatabasePrivate* m_private;
     88 };
     89 
     90 } // namespace WebKit
     91 
     92 #endif
     93