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      1 /*
      2  * Copyright (C) 2011 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 COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "IconDatabaseBase.h"
     28 
     29 #include "IconDatabase.h"
     30 #include "SharedBuffer.h"
     31 
     32 namespace WebCore {
     33 
     34 String IconDatabaseBase::synchronousIconURLForPageURL(const String&)
     35 {
     36     return String();
     37 }
     38 
     39 String IconDatabaseBase::databasePath() const
     40 {
     41     return String();
     42 }
     43 
     44 bool IconDatabaseBase::open(const String&, const String&)
     45 {
     46     return false;
     47 }
     48 
     49 static IconDatabaseBase* globalDatabase = 0;
     50 
     51 // Functions to get/set the global icon database.
     52 IconDatabaseBase& iconDatabase()
     53 {
     54     if (globalDatabase)
     55         return *globalDatabase;
     56 
     57     static IconDatabaseBase* defaultDatabase = 0;
     58     if (!defaultDatabase)
     59         defaultDatabase = new IconDatabase;
     60 
     61     return *defaultDatabase;
     62 }
     63 
     64 void setGlobalIconDatabase(IconDatabaseBase* newGlobalDatabase)
     65 {
     66     globalDatabase = newGlobalDatabase;
     67 }
     68 
     69 } // namespace WebCore
     70