/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ /* constants for frame state bits and a type to store them in a uint64_t */ #ifndef nsFrameState_h_ #define nsFrameState_h_ #include <stdint.h> #ifdef DEBUG #include "nsString.h" class nsIFrame; #endif typedef uint64_t nsFrameState_size_t; #define NS_FRAME_STATE_BIT(n_) (nsFrameState(nsFrameState_size_t(1) << (n_))) enum nsFrameState : nsFrameState_size_t { #define FRAME_STATE_BIT(group_, value_, name_) \ name_ = NS_FRAME_STATE_BIT(value_), #include "nsFrameStateBits.h" #undef FRAME_STATE_BIT }; inline nsFrameState operator|(nsFrameState aLeft, nsFrameState aRight) { return nsFrameState(nsFrameState_size_t(aLeft) | nsFrameState_size_t(aRight)); } inline nsFrameState operator&(nsFrameState aLeft, nsFrameState aRight) { return nsFrameState(nsFrameState_size_t(aLeft) & nsFrameState_size_t(aRight)); } inline nsFrameState& operator|=(nsFrameState& aLeft, nsFrameState aRight) { aLeft = aLeft | aRight; return aLeft; } inline nsFrameState& operator&=(nsFrameState& aLeft, nsFrameState aRight) { aLeft = aLeft & aRight; return aLeft; } inline nsFrameState operator~(nsFrameState aRight) { return nsFrameState(~nsFrameState_size_t(aRight)); } inline nsFrameState operator^(nsFrameState aLeft, nsFrameState aRight) { return nsFrameState(nsFrameState_size_t(aLeft) ^ nsFrameState_size_t(aRight)); } inline nsFrameState& operator^=(nsFrameState& aLeft, nsFrameState aRight) { aLeft = aLeft ^ aRight; return aLeft; } // Bits 20-31 and 60-63 of the frame state are reserved for implementations. #define NS_FRAME_IMPL_RESERVED nsFrameState(0xF0000000FFF00000) #define NS_FRAME_RESERVED ~NS_FRAME_IMPL_RESERVED namespace mozilla { #ifdef DEBUG nsCString GetFrameState(nsIFrame* aFrame); void PrintFrameState(nsIFrame* aFrame); #endif } // namespace mozilla #endif /* nsFrameState_h_ */