The Tor Browser / file comparison
comparison: dom/smil/SMILStringType.cpp
dom/smil/SMILStringType.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:53fc8fe20afd |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "SMILStringType.h" | |
| 7 #include "nsSMILValue.h" | |
| 8 #include "nsDebug.h" | |
| 9 #include "nsString.h" | |
| 10 | |
| 11 namespace mozilla { | |
| 12 | |
| 13 void | |
| 14 SMILStringType::Init(nsSMILValue& aValue) const | |
| 15 { | |
| 16 NS_PRECONDITION(aValue.IsNull(), "Unexpected value type"); | |
| 17 aValue.mU.mPtr = new nsString(); | |
| 18 aValue.mType = this; | |
| 19 } | |
| 20 | |
| 21 void | |
| 22 SMILStringType::Destroy(nsSMILValue& aValue) const | |
| 23 { | |
| 24 NS_PRECONDITION(aValue.mType == this, "Unexpected SMIL value"); | |
| 25 delete static_cast<nsAString*>(aValue.mU.mPtr); | |
| 26 aValue.mU.mPtr = nullptr; | |
| 27 aValue.mType = nsSMILNullType::Singleton(); | |
| 28 } | |
| 29 | |
| 30 nsresult | |
| 31 SMILStringType::Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const | |
| 32 { | |
| 33 NS_PRECONDITION(aDest.mType == aSrc.mType, "Incompatible SMIL types"); | |
| 34 NS_PRECONDITION(aDest.mType == this, "Unexpected SMIL value"); | |
| 35 | |
| 36 const nsAString* src = static_cast<const nsAString*>(aSrc.mU.mPtr); | |
| 37 nsAString* dst = static_cast<nsAString*>(aDest.mU.mPtr); | |
| 38 *dst = *src; | |
| 39 return NS_OK; | |
| 40 } | |
| 41 | |
| 42 bool | |
| 43 SMILStringType::IsEqual(const nsSMILValue& aLeft, | |
| 44 const nsSMILValue& aRight) const | |
| 45 { | |
| 46 NS_PRECONDITION(aLeft.mType == aRight.mType, "Incompatible SMIL types"); | |
| 47 NS_PRECONDITION(aLeft.mType == this, "Unexpected type for SMIL value"); | |
| 48 | |
| 49 const nsAString* leftString = | |
| 50 static_cast<const nsAString*>(aLeft.mU.mPtr); | |
| 51 const nsAString* rightString = | |
| 52 static_cast<nsAString*>(aRight.mU.mPtr); | |
| 53 return *leftString == *rightString; | |
| 54 } | |
| 55 | |
| 56 nsresult | |
| 57 SMILStringType::Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd, | |
| 58 uint32_t aCount) const | |
| 59 { | |
| 60 NS_PRECONDITION(aValueToAdd.mType == aDest.mType, | |
| 61 "Trying to add invalid types"); | |
| 62 NS_PRECONDITION(aValueToAdd.mType == this, "Unexpected source type"); | |
| 63 return NS_ERROR_FAILURE; // string values can't be added to each other | |
| 64 } | |
| 65 | |
| 66 nsresult | |
| 67 SMILStringType::ComputeDistance(const nsSMILValue& aFrom, | |
| 68 const nsSMILValue& aTo, | |
| 69 double& aDistance) const | |
| 70 { | |
| 71 NS_PRECONDITION(aFrom.mType == aTo.mType,"Trying to compare different types"); | |
| 72 NS_PRECONDITION(aFrom.mType == this, "Unexpected source type"); | |
| 73 return NS_ERROR_FAILURE; // there is no concept of distance between string values | |
| 74 } | |
| 75 | |
| 76 nsresult | |
| 77 SMILStringType::Interpolate(const nsSMILValue& aStartVal, | |
| 78 const nsSMILValue& aEndVal, | |
| 79 double aUnitDistance, | |
| 80 nsSMILValue& aResult) const | |
| 81 { | |
| 82 NS_PRECONDITION(aStartVal.mType == aEndVal.mType, | |
| 83 "Trying to interpolate different types"); | |
| 84 NS_PRECONDITION(aStartVal.mType == this, | |
| 85 "Unexpected types for interpolation"); | |
| 86 NS_PRECONDITION(aResult.mType == this, "Unexpected result type"); | |
| 87 return NS_ERROR_FAILURE; // string values do not interpolate | |
| 88 } | |
| 89 | |
| 90 } // namespace mozilla |
