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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 #include "config.h"
     32 #include "WebDatabase.h"
     33 
     34 #include "AbstractDatabase.h"
     35 #include "DatabaseTracker.h"
     36 #include "QuotaTracker.h"
     37 #include "SecurityOrigin.h"
     38 #include "WebDatabaseObserver.h"
     39 #include "WebString.h"
     40 #include <wtf/PassRefPtr.h>
     41 #include <wtf/RefPtr.h>
     42 
     43 #if !ENABLE(DATABASE)
     44 namespace WebCore {
     45 class AbstractDatabase {
     46 public:
     47     String stringIdentifier() const { return String(); }
     48     String displayName() const { return String(); }
     49     unsigned long long estimatedSize() const { return 0; }
     50     SecurityOrigin* securityOrigin() const { return 0; }
     51 };
     52 }
     53 #endif // !ENABLE(DATABASE)
     54 
     55 using namespace WebCore;
     56 
     57 namespace WebKit {
     58 
     59 static WebDatabaseObserver* databaseObserver = 0;
     60 
     61 WebString WebDatabase::name() const
     62 {
     63     ASSERT(m_database);
     64     return m_database->stringIdentifier();
     65 }
     66 
     67 WebString WebDatabase::displayName() const
     68 {
     69     ASSERT(m_database);
     70     return m_database->displayName();
     71 }
     72 
     73 unsigned long WebDatabase::estimatedSize() const
     74 {
     75     ASSERT(m_database);
     76     return m_database->estimatedSize();
     77 }
     78 
     79 WebSecurityOrigin WebDatabase::securityOrigin() const
     80 {
     81     ASSERT(m_database);
     82     return WebSecurityOrigin(m_database->securityOrigin());
     83 }
     84 
     85 void WebDatabase::setObserver(WebDatabaseObserver* observer)
     86 {
     87     databaseObserver = observer;
     88 }
     89 
     90 WebDatabaseObserver* WebDatabase::observer()
     91 {
     92     return databaseObserver;
     93 }
     94 
     95 void WebDatabase::updateDatabaseSize(
     96     const WebString& originIdentifier, const WebString& databaseName,
     97     unsigned long long databaseSize, unsigned long long spaceAvailable)
     98 {
     99 #if ENABLE(DATABASE)
    100     WebCore::QuotaTracker::instance().updateDatabaseSizeAndSpaceAvailableToOrigin(
    101         originIdentifier, databaseName, databaseSize, spaceAvailable);
    102 #endif // ENABLE(DATABASE)
    103 }
    104 
    105 void WebDatabase::closeDatabaseImmediately(const WebString& originIdentifier, const WebString& databaseName)
    106 {
    107 #if ENABLE(DATABASE)
    108     HashSet<RefPtr<AbstractDatabase> > databaseHandles;
    109     RefPtr<SecurityOrigin> origin = SecurityOrigin::createFromDatabaseIdentifier(originIdentifier);
    110     DatabaseTracker::tracker().getOpenDatabases(origin.get(), databaseName, &databaseHandles);
    111     for (HashSet<RefPtr<AbstractDatabase> >::iterator it = databaseHandles.begin(); it != databaseHandles.end(); ++it)
    112         it->get()->closeImmediately();
    113 #endif // ENABLE(DATABASE)
    114 }
    115 
    116 WebDatabase::WebDatabase(const AbstractDatabase* database)
    117     : m_database(database)
    118 {
    119 }
    120 
    121 } // namespace WebKit
    122