/* * Copyright (C) 2012 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. * * 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. */ #import "config.h" #import "UTIUtilities.h" #if PLATFORM(IOS) #import "SoftLinking.h" #import <MobileCoreServices/MobileCoreServices.h> SOFT_LINK_FRAMEWORK(MobileCoreServices) SOFT_LINK(MobileCoreServices, UTTypeCopyDeclaration, CFDictionaryRef, (CFStringRef inUTI), (inUTI)) SOFT_LINK(MobileCoreServices, UTTypeCopyPreferredTagWithClass, CFStringRef, (CFStringRef inUTI, CFStringRef inTagClass), (inUTI, inTagClass)) SOFT_LINK(MobileCoreServices, UTTypeCreatePreferredIdentifierForTag, CFStringRef, (CFStringRef inTagClass, CFStringRef inTag, CFStringRef inConformingToUTI), (inTagClass, inTag, inConformingToUTI)) SOFT_LINK_CONSTANT(MobileCoreServices, kUTTypeConformsToKey, CFStringRef) SOFT_LINK_CONSTANT(MobileCoreServices, kUTTagClassMIMEType, CFStringRef) #define kUTTagClassMIMEType getkUTTagClassMIMEType() #define kUTTypeConformsToKey getkUTTypeConformsToKey() #endif namespace WebCore { RetainPtr<CFStringRef> mimeTypeFromUTITree(CFStringRef uti) { // Check if this UTI has a MIME type. RetainPtr<CFStringRef> mimeType = adoptCF(UTTypeCopyPreferredTagWithClass(uti, kUTTagClassMIMEType)); if (mimeType) return mimeType.get(); // If not, walk the ancestory of this UTI via its "ConformsTo" tags and return the first MIME type we find. RetainPtr<CFDictionaryRef> decl = adoptCF(UTTypeCopyDeclaration(uti)); if (!decl) return nil; CFTypeRef value = CFDictionaryGetValue(decl.get(), kUTTypeConformsToKey); if (!value) return nil; CFTypeID typeID = CFGetTypeID(value); if (typeID == CFStringGetTypeID()) return mimeTypeFromUTITree((CFStringRef)value); if (typeID == CFArrayGetTypeID()) { CFArrayRef newTypes = (CFArrayRef)value; CFIndex count = CFArrayGetCount(newTypes); for (CFIndex i = 0; i < count; ++i) { CFTypeRef object = CFArrayGetValueAtIndex(newTypes, i); if (CFGetTypeID(object) != CFStringGetTypeID()) continue; if (RetainPtr<CFStringRef> mimeType = mimeTypeFromUTITree((CFStringRef)object)) return mimeType; } } return nil; } RetainPtr<CFStringRef> UTIFromMIMEType(CFStringRef mime) { RetainPtr<CFStringRef> uti = adoptCF(UTTypeCreatePreferredIdentifierForTag(kUTTagClassMIMEType, mime, 0)); return uti; } }