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//
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// Copyright 2009-2010 Facebook
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//    http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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/**
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 * Borrowed from Apple's AvailabiltyInternal.h header. There's no reason why we shouldn't be
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 * able to use this macro, as it's a gcc-supported flag.
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 * Here's what we based it off of.
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 * __AVAILABILITY_INTERNAL_DEPRECATED         __attribute__((deprecated))
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 */
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#define __TTDEPRECATED_METHOD __attribute__((deprecated))
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Errors
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#define TT_ERROR_DOMAIN @"three20.net"
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#define TT_EC_INVALID_IMAGE 101
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Flags
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/**
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 * For when the flag might be a set of bits, this will ensure that the exact set of bits in
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 * the flag have been set in the value.
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 */
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#define IS_MASK_SET(value, flag)  (((value) & (flag)) == (flag))
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Time
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#define TT_MINUTE 60
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#define TT_HOUR   (60 * TT_MINUTE)
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#define TT_DAY    (24 * TT_HOUR)
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#define TT_WEEK   (7 * TT_DAY)
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#define TT_MONTH  (30.5 * TT_DAY)
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#define TT_YEAR   (365 * TT_DAY)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Safe releases
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#define TT_RELEASE_SAFELY(__POINTER) { [__POINTER release]; __POINTER = nil; }
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#define TT_INVALIDATE_TIMER(__TIMER) { [__TIMER invalidate]; __TIMER = nil; }
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// Release a CoreFoundation object safely.
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#define TT_RELEASE_CF_SAFELY(__REF) { if (nil != (__REF)) { CFRelease(__REF); __REF = nil; } }