CACFPreferences.cpp

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//==================================================================================================
//  Includes
//==================================================================================================

//  Self Include
#include "CACFPreferences.h"

//  PublicUtility Includes
#include "CACFDistributedNotification.h"
#include "CADebugMacros.h"

//==================================================================================================
//  CACFPreferences
//==================================================================================================

CFPropertyListRef   CACFPreferences::CopyValue(CFStringRef inKey, bool inCurrentUser, bool inCurrentHost)
{
    //  synchronize to make sure that what's in memory matches what's on disk
    Synchronize(inCurrentUser, inCurrentHost, false);
    
    CFPropertyListRef theAnswer = NULL;
    CFStringRef theUser = inCurrentUser ? kCFPreferencesCurrentUser : kCFPreferencesAnyUser;
    CFStringRef theHost = inCurrentHost ? kCFPreferencesCurrentHost : kCFPreferencesAnyHost;
    
    theAnswer = CFPreferencesCopyValue(inKey, kCFPreferencesAnyApplication, theUser, theHost);
    
    return theAnswer;
}

CFStringRef CACFPreferences::CopyStringValue(CFStringRef inKey, bool inCurrentUser, bool inCurrentHost)
{
    CFStringRef theAnswer = NULL;
    
    //  get the raw value
    CFPropertyListRef theRawValue = CopyValue(inKey, inCurrentUser, inCurrentHost);
    
    if(theRawValue != NULL)
    {
        //  get it's type ID and make sure it's a CFString
        CFTypeID theTypeID = CFGetTypeID(theRawValue);
        if(theTypeID == CFStringGetTypeID())
        {
            //  cast the value
            theAnswer = static_cast<CFStringRef>(theRawValue);
        }
        else
        {
            CFRelease(theRawValue);
            DebugMessage("CACFPreferences::CopyStringValue: not a CFString");
        }
    }
    
    return theAnswer;
}

CFNumberRef CACFPreferences::CopyNumberValue(CFStringRef inKey, bool inCurrentUser, bool inCurrentHost)
{
    CFNumberRef theAnswer = NULL;
    
    //  get the raw value
    CFPropertyListRef theRawValue = CopyValue(inKey, inCurrentUser, inCurrentHost);
    
    if(theRawValue != NULL)
    {
        //  get it's type ID and make sure it's a CFNumber
        CFTypeID theTypeID = CFGetTypeID(theRawValue);
        if(theTypeID == CFNumberGetTypeID())
        {
            //  cast the value
            theAnswer = static_cast<CFNumberRef>(theRawValue);
        }
        else
        {
            CFRelease(theRawValue);
            DebugMessage("CACFPreferences::CopyNumberValue: not a CFNumber");
        }
    }
    
    return theAnswer;
}

CFArrayRef  CACFPreferences::CopyArrayValue(CFStringRef inKey, bool inCurrentUser, bool inCurrentHost)
{
    CFArrayRef theAnswer = NULL;
    
    //  get the raw value
    CFPropertyListRef theRawValue = CopyValue(inKey, inCurrentUser, inCurrentHost);
    
    if(theRawValue != NULL)
    {
        //  get it's type ID and make sure it's a CFArray
        CFTypeID theTypeID = CFGetTypeID(theRawValue);
        if(theTypeID == CFArrayGetTypeID())
        {
            //  cast the value
            theAnswer = static_cast<CFArrayRef>(theRawValue);
        }
        else
        {
            CFRelease(theRawValue);
            DebugMessage("CACFPreferences::CopyArrayValue: not a CFArray");
        }
    }
    
    return theAnswer;
}

CFDictionaryRef CACFPreferences::CopyDictionaryValue(CFStringRef inKey, bool inCurrentUser, bool inCurrentHost)
{
    CFDictionaryRef theAnswer = NULL;
    
    //  get the raw value
    CFPropertyListRef theRawValue = CopyValue(inKey, inCurrentUser, inCurrentHost);
    
    if(theRawValue != NULL)
    {
        //  get it's type ID and make sure it's a CFDictionary
        CFTypeID theTypeID = CFGetTypeID(theRawValue);
        if(theTypeID == CFDictionaryGetTypeID())
        {
            //  cast the value
            theAnswer = static_cast<CFDictionaryRef>(theRawValue);
        }
        else
        {
            CFRelease(theRawValue);
            DebugMessage("CACFPreferences::CopyDictionaryValue: not a CFDictionary");
        }
    }
    
    return theAnswer;
}

void    CACFPreferences::SetValue(CFStringRef inKey, CFPropertyListRef inValue, bool inCurrentUser, bool inCurrentHost, bool inSynchronize)
{
    CFStringRef theUser = inCurrentUser ? kCFPreferencesCurrentUser : kCFPreferencesAnyUser;
    CFStringRef theHost = inCurrentHost ? kCFPreferencesCurrentHost : kCFPreferencesAnyHost;
    CFPreferencesSetValue(inKey, inValue, kCFPreferencesAnyApplication, theUser, theHost);
    
    if(inSynchronize)
    {
        Synchronize(inCurrentUser, inCurrentHost, true);
    }
}

void    CACFPreferences::DeleteValue(CFStringRef inKey, bool inCurrentUser, bool inCurrentHost, bool inSynchronize)
{
    CFStringRef theUser = inCurrentUser ? kCFPreferencesCurrentUser : kCFPreferencesAnyUser;
    CFStringRef theHost = inCurrentHost ? kCFPreferencesCurrentHost : kCFPreferencesAnyHost;
    CFPreferencesSetValue(inKey, NULL, kCFPreferencesAnyApplication, theUser, theHost);
    
    if(inSynchronize)
    {
        Synchronize(theUser, inCurrentHost, true);
    }
}

void    CACFPreferences::Synchronize(bool inCurrentUser, bool inCurrentHost, bool inForce)
{
    if(inForce || ArePrefsOutOfDate(inCurrentUser, inCurrentHost))
    {
        CFStringRef theUser = inCurrentUser ? kCFPreferencesCurrentUser : kCFPreferencesAnyUser;
        CFStringRef theHost = inCurrentHost ? kCFPreferencesCurrentHost : kCFPreferencesAnyHost;
        CFPreferencesSynchronize(kCFPreferencesAnyApplication, theUser, theHost);
        MarkPrefsClean(inCurrentUser, inCurrentHost);
    }
}

void    CACFPreferences::MarkPrefsOutOfDate(bool inCurrentUser, bool inCurrentHost)
{
    if(!inCurrentUser && !inCurrentHost)
    {
        sAnyUserAnyHostPrefsOutOfDate = true;
    }
    else if(!inCurrentUser && inCurrentHost)
    {
        sAnyUserCurrentHostPrefsOutOfDate = true;
    }
    else if(inCurrentUser && !inCurrentHost)
    {
        sCurrentUserAnyHostPrefsOutOfDate = true;
    }
    else if(inCurrentUser && inCurrentHost)
    {
        sCurrentUserCurrentHostPrefsOutOfDate = true;
    }
}

void    CACFPreferences::MarkPrefsClean(bool inCurrentUser, bool inCurrentHost)
{
    if(!inCurrentUser && !inCurrentHost)
    {
        sAnyUserAnyHostPrefsOutOfDate = false;
    }
    else if(!inCurrentUser && inCurrentHost)
    {
        sAnyUserCurrentHostPrefsOutOfDate = false;
    }
    else if(inCurrentUser && !inCurrentHost)
    {
        sCurrentUserAnyHostPrefsOutOfDate = false;
    }
    else if(inCurrentUser && inCurrentHost)
    {
        sCurrentUserCurrentHostPrefsOutOfDate = false;
    }
}

void    CACFPreferences::SendNotification(CFStringRef inName)
{
    CACFDistributedNotification::PostNotification(inName, NULL, true);
}

bool    CACFPreferences::ArePrefsOutOfDate(bool inCurrentUser, bool inCurrentHost)
{
    bool theAnswer = false;
    
    if(!inCurrentUser && !inCurrentHost)
    {
        theAnswer = sAnyUserAnyHostPrefsOutOfDate;
    }
    else if(!inCurrentUser && inCurrentHost)
    {
        theAnswer = sAnyUserCurrentHostPrefsOutOfDate;
    }
    else if(inCurrentUser && !inCurrentHost)
    {
        theAnswer = sCurrentUserAnyHostPrefsOutOfDate;
    }
    else if(inCurrentUser && inCurrentHost)
    {
        theAnswer = sCurrentUserCurrentHostPrefsOutOfDate;
    }
    
    return theAnswer;
}

bool    CACFPreferences::sAnyUserAnyHostPrefsOutOfDate = false;
bool    CACFPreferences::sAnyUserCurrentHostPrefsOutOfDate = false;
bool    CACFPreferences::sCurrentUserAnyHostPrefsOutOfDate = false;
bool    CACFPreferences::sCurrentUserCurrentHostPrefsOutOfDate = false;