WebIconDatabase.mm   [plain text]

/*
* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple 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.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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.
*/

#if !PLATFORM(IOS_FAMILY)

#import "WebIconDatabase.h"

#import "WebKitVersionChecks.h"
#import <JavaScriptCore/InitializeThreading.h>
#import <WebCore/Image.h>
#import <WebCore/ThreadCheck.h>
#import <wtf/MainThread.h>
#import <wtf/NeverDestroyed.h>
#import <wtf/RunLoop.h>

using namespace WebCore;

NSString *WebIconDatabaseDidAddIconNotification = @"WebIconDatabaseDidAddIconNotification";
NSString *WebIconNotificationUserInfoURLKey = @"WebIconNotificationUserInfoURLKey";
NSString *WebIconDatabaseDidRemoveAllIconsNotification = @"WebIconDatabaseDidRemoveAllIconsNotification";

NSString *WebIconDatabaseDirectoryDefaultsKey = @"WebIconDatabaseDirectoryDefaultsKey";
NSString *WebIconDatabaseEnabledDefaultsKey = @"WebIconDatabaseEnabled";

NSString *WebIconDatabasePath = @"~/Library/Icons";

NSSize WebIconSmallSize = {16, 16};
NSSize WebIconMediumSize = {32, 32};
NSSize WebIconLargeSize = {128, 128};

static const unsigned char defaultIconData[] = { 0x4D, 0x4D, 0x00, 0x2A, 0x00, 0x00, 0x03, 0x32, 0x80, 0x00, 0x20, 0x50, 0x38, 0x24, 0x16, 0x0D, 0x07, 0x84, 0x42, 0x61, 0x50, 0xB8,
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0x92, 0x8B, 0x87, 0x0B, 0xFC, 0xA0, 0x8E, 0x68, 0x3F, 0xC6, 0x27, 0xA6, 0x33, 0xFC, 0x36, 0x5B, 0x59, 0x3F, 0xC1, 0x02, 0x63, 0x3B, 0x74, 0x00, 0x03, 0x07, 0x0B, 0x61,
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IGNORE_WARNINGS_BEGIN("deprecated-implementations")
@implementation WebIconDatabase
IGNORE_WARNINGS_END

+ (void)initialize
{
JSC::initializeThreading();
WTF::initializeMainThreadToProcessMainThread();
RunLoop::initializeMainRunLoop();
}

+ (WebIconDatabase *)sharedIconDatabase
{
static WebIconDatabase *database;
static dispatch_once_t once;
dispatch_once(&once, ^ {
if (linkedOnOrAfter(SDKVersion::FirstWithWebIconDatabaseWarning))
NSLog(@"+[WebIconDatabase sharedIconDatabase] is not API and should not be used. WebIconDatabase no longer handles icon loading and it will be removed in a future release.");

database = [[WebIconDatabase alloc] init];
});

return database;
}

- (id)init
{
WebCoreThreadViolationCheckRoundOne();

return [super init];
}

- (NSImage *)iconForURL:(NSString *)URL withSize:(NSSize)size cache:(BOOL)cache
{
return [self defaultIconWithSize:size];
}

- (NSImage *)iconForURL:(NSString *)URL withSize:(NSSize)size
{
return [self defaultIconWithSize:size];
}

- (NSImage *)defaultIconWithSize:(NSSize)size
{
static NeverDestroyed<RetainPtr<NSImage>> defaultImage;

static dispatch_once_t once;
dispatch_once(&once, ^ {
auto imageData = adoptNS([[NSData alloc] initWithBytes:defaultIconData length:sizeof(defaultIconData)]);
defaultImage.get() = adoptNS([[NSImage alloc] initWithData:imageData.get()]);
});

return defaultImage.get().get();
}

- (NSImage *)defaultIconForURL:(NSString *)URL withSize:(NSSize)size
{
return [self defaultIconWithSize:size];
}

- (NSString *)iconURLForURL:(NSString *)URL
{
return nil;
}

- (void)retainIconForURL:(NSString *)URL
{
}

- (void)releaseIconForURL:(NSString *)pageURL
{
}

+ (void)delayDatabaseCleanup
{
}

+ (void)allowDatabaseCleanup
{
}

- (void)setDelegate:(id)delegate
{
}

- (id)delegate
{
return nil;
}

@end

#endif // !PLATFORM(IOS_FAMILY)