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 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 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 "URL.h" 31#include "SharedBuffer.h" 32 33namespace WebCore { 34 35String IconDatabaseBase::synchronousIconURLForPageURL(const String&) 36{ 37 return String(); 38} 39 40String IconDatabaseBase::databasePath() const 41{ 42 return String(); 43} 44 45bool IconDatabaseBase::open(const String&, const String&) 46{ 47 return false; 48} 49 50static IconDatabaseBase* vmbase = 0; 51 52// Functions to get/set the global icon database. 53IconDatabaseBase& iconDatabase() 54{ 55 if (vmbase) 56 return *vmbase; 57 58 static IconDatabaseBase* defaultDatabase = 0; 59 if (!defaultDatabase) 60 defaultDatabase = new IconDatabase; 61 62 return *defaultDatabase; 63} 64 65void setGlobalIconDatabase(IconDatabaseBase* newGlobalDatabase) 66{ 67 vmbase = newGlobalDatabase; 68} 69 70bool documentCanHaveIcon(const String& documentURL) 71{ 72 return !documentURL.isEmpty() && !protocolIs(documentURL, "about"); 73} 74 75} // namespace WebCore 76