The Tor Browser / file comparison
comparison: layout/style/CSS.cpp
layout/style/CSS.cpp
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
equal
deleted
inserted
replaced
| -1:000000000000 | 0:6b1aedf732f7 |
|---|---|
| 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 /* DOM object holding utility CSS functions */ | |
| 7 | |
| 8 #include "CSS.h" | |
| 9 | |
| 10 #include "mozilla/dom/BindingDeclarations.h" | |
| 11 #include "nsCSSParser.h" | |
| 12 #include "nsGlobalWindow.h" | |
| 13 #include "nsIDocument.h" | |
| 14 #include "nsIURI.h" | |
| 15 #include "nsStyleUtil.h" | |
| 16 | |
| 17 namespace mozilla { | |
| 18 namespace dom { | |
| 19 | |
| 20 struct SupportsParsingInfo | |
| 21 { | |
| 22 nsIURI* mDocURI; | |
| 23 nsIURI* mBaseURI; | |
| 24 nsIPrincipal* mPrincipal; | |
| 25 }; | |
| 26 | |
| 27 static nsresult | |
| 28 GetParsingInfo(nsISupports* aGlobal, | |
| 29 SupportsParsingInfo& aInfo) | |
| 30 { | |
| 31 if (!aGlobal) { | |
| 32 return NS_ERROR_FAILURE; | |
| 33 } | |
| 34 | |
| 35 nsGlobalWindow* win = nsGlobalWindow::FromSupports(aGlobal); | |
| 36 nsCOMPtr<nsIDocument> doc = win->GetDoc(); | |
| 37 if (!doc) { | |
| 38 return NS_ERROR_FAILURE; | |
| 39 } | |
| 40 | |
| 41 aInfo.mDocURI = nsCOMPtr<nsIURI>(doc->GetDocumentURI()); | |
| 42 aInfo.mBaseURI = nsCOMPtr<nsIURI>(doc->GetBaseURI()); | |
| 43 aInfo.mPrincipal = win->GetPrincipal(); | |
| 44 return NS_OK; | |
| 45 } | |
| 46 | |
| 47 /* static */ bool | |
| 48 CSS::Supports(const GlobalObject& aGlobal, | |
| 49 const nsAString& aProperty, | |
| 50 const nsAString& aValue, | |
| 51 ErrorResult& aRv) | |
| 52 { | |
| 53 nsCSSParser parser; | |
| 54 SupportsParsingInfo info; | |
| 55 | |
| 56 nsresult rv = GetParsingInfo(aGlobal.GetAsSupports(), info); | |
| 57 if (NS_FAILED(rv)) { | |
| 58 aRv.Throw(rv); | |
| 59 return false; | |
| 60 } | |
| 61 | |
| 62 return parser.EvaluateSupportsDeclaration(aProperty, aValue, info.mDocURI, | |
| 63 info.mBaseURI, info.mPrincipal); | |
| 64 } | |
| 65 | |
| 66 /* static */ bool | |
| 67 CSS::Supports(const GlobalObject& aGlobal, | |
| 68 const nsAString& aCondition, | |
| 69 ErrorResult& aRv) | |
| 70 { | |
| 71 nsCSSParser parser; | |
| 72 SupportsParsingInfo info; | |
| 73 | |
| 74 nsresult rv = GetParsingInfo(aGlobal.GetAsSupports(), info); | |
| 75 if (NS_FAILED(rv)) { | |
| 76 aRv.Throw(rv); | |
| 77 return false; | |
| 78 } | |
| 79 | |
| 80 return parser.EvaluateSupportsCondition(aCondition, info.mDocURI, | |
| 81 info.mBaseURI, info.mPrincipal); | |
| 82 } | |
| 83 | |
| 84 /* static */ void | |
| 85 CSS::Escape(const GlobalObject& aGlobal, | |
| 86 const nsAString& aIdent, | |
| 87 nsAString& aReturn, | |
| 88 ErrorResult& aRv) | |
| 89 { | |
| 90 bool success = nsStyleUtil::AppendEscapedCSSIdent(aIdent, aReturn); | |
| 91 | |
| 92 if (!success) { | |
| 93 aRv.Throw(NS_ERROR_DOM_INVALID_CHARACTER_ERR); | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 } // dom | |
| 98 } // mozilla |
