dom/smil/SMILEnumType.cpp@6474c204b198 (annotated)
dom/smil/SMILEnumType.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include "SMILEnumType.h" |
| michael@0 | 7 | #include "nsSMILValue.h" |
| michael@0 | 8 | #include "nsDebug.h" |
| michael@0 | 9 | #include <math.h> |
| michael@0 | 10 | |
| michael@0 | 11 | namespace mozilla { |
| michael@0 | 12 | |
| michael@0 | 13 | void |
| michael@0 | 14 | SMILEnumType::Init(nsSMILValue& aValue) const |
| michael@0 | 15 | { |
| michael@0 | 16 | NS_PRECONDITION(aValue.IsNull(), "Unexpected value type"); |
| michael@0 | 17 | aValue.mU.mUint = 0; |
| michael@0 | 18 | aValue.mType = this; |
| michael@0 | 19 | } |
| michael@0 | 20 | |
| michael@0 | 21 | void |
| michael@0 | 22 | SMILEnumType::Destroy(nsSMILValue& aValue) const |
| michael@0 | 23 | { |
| michael@0 | 24 | NS_PRECONDITION(aValue.mType == this, "Unexpected SMIL value"); |
| michael@0 | 25 | aValue.mU.mUint = 0; |
| michael@0 | 26 | aValue.mType = nsSMILNullType::Singleton(); |
| michael@0 | 27 | } |
| michael@0 | 28 | |
| michael@0 | 29 | nsresult |
| michael@0 | 30 | SMILEnumType::Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const |
| michael@0 | 31 | { |
| michael@0 | 32 | NS_PRECONDITION(aDest.mType == aSrc.mType, "Incompatible SMIL types"); |
| michael@0 | 33 | NS_PRECONDITION(aDest.mType == this, "Unexpected SMIL value"); |
| michael@0 | 34 | aDest.mU.mUint = aSrc.mU.mUint; |
| michael@0 | 35 | return NS_OK; |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | bool |
| michael@0 | 39 | SMILEnumType::IsEqual(const nsSMILValue& aLeft, |
| michael@0 | 40 | const nsSMILValue& aRight) const |
| michael@0 | 41 | { |
| michael@0 | 42 | NS_PRECONDITION(aLeft.mType == aRight.mType, "Incompatible SMIL types"); |
| michael@0 | 43 | NS_PRECONDITION(aLeft.mType == this, "Unexpected type for SMIL value"); |
| michael@0 | 44 | |
| michael@0 | 45 | return aLeft.mU.mUint == aRight.mU.mUint; |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | nsresult |
| michael@0 | 49 | SMILEnumType::Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd, |
| michael@0 | 50 | uint32_t aCount) const |
| michael@0 | 51 | { |
| michael@0 | 52 | NS_PRECONDITION(aValueToAdd.mType == aDest.mType, |
| michael@0 | 53 | "Trying to add invalid types"); |
| michael@0 | 54 | NS_PRECONDITION(aValueToAdd.mType == this, "Unexpected source type"); |
| michael@0 | 55 | return NS_ERROR_FAILURE; // enum values can't be added to each other |
| michael@0 | 56 | } |
| michael@0 | 57 | |
| michael@0 | 58 | nsresult |
| michael@0 | 59 | SMILEnumType::ComputeDistance(const nsSMILValue& aFrom, |
| michael@0 | 60 | const nsSMILValue& aTo, |
| michael@0 | 61 | double& aDistance) const |
| michael@0 | 62 | { |
| michael@0 | 63 | NS_PRECONDITION(aFrom.mType == aTo.mType,"Trying to compare different types"); |
| michael@0 | 64 | NS_PRECONDITION(aFrom.mType == this, "Unexpected source type"); |
| michael@0 | 65 | return NS_ERROR_FAILURE; // there is no concept of distance between enum values |
| michael@0 | 66 | } |
| michael@0 | 67 | |
| michael@0 | 68 | nsresult |
| michael@0 | 69 | SMILEnumType::Interpolate(const nsSMILValue& aStartVal, |
| michael@0 | 70 | const nsSMILValue& aEndVal, |
| michael@0 | 71 | double aUnitDistance, |
| michael@0 | 72 | nsSMILValue& aResult) const |
| michael@0 | 73 | { |
| michael@0 | 74 | NS_PRECONDITION(aStartVal.mType == aEndVal.mType, |
| michael@0 | 75 | "Trying to interpolate different types"); |
| michael@0 | 76 | NS_PRECONDITION(aStartVal.mType == this, |
| michael@0 | 77 | "Unexpected types for interpolation"); |
| michael@0 | 78 | NS_PRECONDITION(aResult.mType == this, "Unexpected result type"); |
| michael@0 | 79 | return NS_ERROR_FAILURE; // enum values do not interpolate |
| michael@0 | 80 | } |
| michael@0 | 81 | |
| michael@0 | 82 | } // namespace mozilla |
