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[ios] Improved code according to Apple’s Guidelines and probably avoiding some crashes at the end of file download.

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Alex Zolotarev 2014-08-18 18:58:34 +03:00 • committed by Alex Zolotarev
parent c2d8181a9f
commit 94a1542434
1 changed files with 33 additions and 5 deletions
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38
platform/http_request.cpp
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@ -17,7 +17,13 @@
#ifdef OMIM_OS_IPHONE
#include <sys/xattr.h>
#include <CoreFoundation/CoreFoundation.h>
#include <CoreFoundation/CFURL.h>
// declaration is taken from NSObjCRuntime.h to avoid including of ObjC code
extern "C" double NSFoundationVersionNumber;
#endif
void DisableBackupForFile(string const & filePath)
@ -25,12 +31,34 @@ void DisableBackupForFile(string const & filePath)
#ifdef OMIM_OS_IPHONE
// We need to disable iCloud backup for downloaded files.
// This is the reason for rejecting from the AppStore
// https://developer.apple.com/library/iOS/qa/qa1719/_index.html
static char const * attrName = "com.apple.MobileBackup";
u_int8_t attrValue = 1;
const int result = setxattr(filePath.c_str(), attrName, &attrValue, sizeof(attrValue), 0, 0);
if (result != 0)
LOG(LWARNING, ("Error while disabling iCloud backup for file", filePath));
// value is taken from NSObjCRuntime.h to avoid including of ObjC code
#define NSFoundationVersionNumber_iOS_5_1 890.10
if (NSFoundationVersionNumber >= NSFoundationVersionNumber_iOS_5_1)
{
CFURLRef url = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault,
reinterpret_cast<unsigned char const *>(filePath.c_str()),
filePath.size(),
0);
CFErrorRef err;
signed char valueRaw = 1; // BOOL YES
CFNumberRef value = CFNumberCreate(kCFAllocatorDefault, kCFNumberCharType, &valueRaw);
if (!CFURLSetResourcePropertyForKey(url, kCFURLIsExcludedFromBackupKey, value, &err))
{
LOG(LWARNING, ("Error while disabling iCloud backup for file", filePath));
}
CFRelease(value);
CFRelease(url);
}
else
{
static char const * attrName = "com.apple.MobileBackup";
u_int8_t attrValue = 1;
const int result = setxattr(filePath.c_str(), attrName, &attrValue, sizeof(attrValue), 0, 0);
if (result != 0)
LOG(LWARNING, ("Error while disabling iCloud backup for file", filePath));
}
#endif
}