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/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "IconDatabase.h"
#if !ENABLE(ICONDATABASE)
#include "PlatformString.h"
#include "SharedBuffer.h"
#include <wtf/StdLibExtras.h>
namespace WebCore {
static IconDatabase* sharedIconDatabase = 0;
// This version number is in the DB and marks the current generation of the schema
// Theoretically once the switch is flipped this should never change
// Currently, an out-of-date schema causes the DB to be wiped and reset. This isn't
// so bad during development but in the future, we would need to write a conversion
// function to advance older released schemas to "current"
const int currentDatabaseVersion = 5;
// Icons expire once a day
const int iconExpirationTime = 60*60*24;
// Absent icons are rechecked once a week
const int missingIconExpirationTime = 60*60*24*7;
const int updateTimerDelay = 5;
String IconDatabase::defaultDatabaseFilename()
{
DEFINE_STATIC_LOCAL(String, defaultDatabaseFilename, ("Icons.db"));
return defaultDatabaseFilename.copy();
}
IconDatabase* iconDatabase()
{
if (!sharedIconDatabase)
sharedIconDatabase = new IconDatabase;
return sharedIconDatabase;
}
IconDatabase::IconDatabase()
{
}
bool IconDatabase::open(const String& /*databasePath*/)
{
return false;
}
bool IconDatabase::isOpen() const
{
return false;
}
void IconDatabase::close()
{
}
String IconDatabase::databasePath() const
{
return String();
}
void IconDatabase::removeAllIcons()
{
}
void IconDatabase::setPrivateBrowsingEnabled(bool /*flag*/)
{
}
bool IconDatabase::isPrivateBrowsingEnabled() const
{
return false;
}
void IconDatabase::readIconForPageURLFromDisk(const String&)
{
}
Image* IconDatabase::iconForPageURL(const String& /*pageURL*/, const IntSize& size)
{
return defaultIcon(size);
}
IconLoadDecision IconDatabase::loadDecisionForIconURL(const String&, DocumentLoader*)
{
return IconLoadNo;
}
bool IconDatabase::iconDataKnownForIconURL(const String&)
{
return false;
}
String IconDatabase::iconURLForPageURL(const String& /*pageURL*/)
{
return String();
}
Image* IconDatabase::defaultIcon(const IntSize& /*size*/)
{
return 0;
}
void IconDatabase::retainIconForPageURL(const String& /*pageURL*/)
{
}
void IconDatabase::releaseIconForPageURL(const String& /*pageURL*/)
{
}
void IconDatabase::setIconDataForIconURL(PassRefPtr<SharedBuffer> /*data*/, const String& /*iconURL*/)
{
}
void IconDatabase::setIconURLForPageURL(const String& /*iconURL*/, const String& /*pageURL*/)
{
}
void IconDatabase::setEnabled(bool /*enabled*/)
{
}
bool IconDatabase::isEnabled() const
{
return false;
}
IconDatabase::~IconDatabase()
{
ASSERT_NOT_REACHED();
}
void IconDatabase::checkIntegrityBeforeOpening()
{
}
void IconDatabase::delayDatabaseCleanup()
{
}
void IconDatabase::allowDatabaseCleanup()
{
}
size_t IconDatabase::pageURLMappingCount()
{
return 0;
}
size_t IconDatabase::retainedPageURLCount()
{
return 0;
}
size_t IconDatabase::iconRecordCount()
{
return 0;
}
size_t IconDatabase::iconRecordCountWithData()
{
return 0;
}
void IconDatabase::setClient(IconDatabaseClient*)
{
}
// ************************
// *** Sync Thread Only ***
// ************************
void IconDatabase::importIconURLForPageURL(const String&, const String&)
{
}
void IconDatabase::importIconDataForIconURL(PassRefPtr<SharedBuffer>, const String&)
{
}
bool IconDatabase::shouldStopThreadActivity() const
{
return true;
}
} // namespace WebCore
#endif // !ENABLE(ICONDATABASE)
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