The Tor Browser / file comparison
comparison: editor/libeditor/base/nsStyleSheetTxns.cpp
editor/libeditor/base/nsStyleSheetTxns.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
inserted
replaced
| -1:000000000000 | 0:99db88243739 |
|---|---|
| 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 | |
| 7 #include <stddef.h> // for nullptr | |
| 8 | |
| 9 #include "nsAString.h" | |
| 10 #include "nsCOMPtr.h" // for nsCOMPtr, do_QueryInterface, etc | |
| 11 #include "nsCSSStyleSheet.h" // for nsCSSStyleSheet | |
| 12 #include "nsDebug.h" // for NS_ENSURE_TRUE | |
| 13 #include "nsError.h" // for NS_OK, etc | |
| 14 #include "nsIDOMDocument.h" // for nsIDOMDocument | |
| 15 #include "nsIDocument.h" // for nsIDocument | |
| 16 #include "nsIDocumentObserver.h" // for UPDATE_STYLE | |
| 17 #include "nsIEditor.h" // for nsIEditor | |
| 18 #include "nsStyleSheetTxns.h" | |
| 19 | |
| 20 class nsIStyleSheet; | |
| 21 | |
| 22 static void | |
| 23 AddStyleSheet(nsIEditor* aEditor, nsIStyleSheet* aSheet) | |
| 24 { | |
| 25 nsCOMPtr<nsIDOMDocument> domDoc; | |
| 26 aEditor->GetDocument(getter_AddRefs(domDoc)); | |
| 27 nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc); | |
| 28 if (doc) { | |
| 29 doc->BeginUpdate(UPDATE_STYLE); | |
| 30 doc->AddStyleSheet(aSheet); | |
| 31 doc->EndUpdate(UPDATE_STYLE); | |
| 32 } | |
| 33 } | |
| 34 | |
| 35 static void | |
| 36 RemoveStyleSheet(nsIEditor *aEditor, nsIStyleSheet *aSheet) | |
| 37 { | |
| 38 nsCOMPtr<nsIDOMDocument> domDoc; | |
| 39 aEditor->GetDocument(getter_AddRefs(domDoc)); | |
| 40 nsCOMPtr<nsIDocument> doc = do_QueryInterface(domDoc); | |
| 41 if (doc) { | |
| 42 doc->BeginUpdate(UPDATE_STYLE); | |
| 43 doc->RemoveStyleSheet(aSheet); | |
| 44 doc->EndUpdate(UPDATE_STYLE); | |
| 45 } | |
| 46 } | |
| 47 | |
| 48 AddStyleSheetTxn::AddStyleSheetTxn() | |
| 49 : EditTxn() | |
| 50 , mEditor(nullptr) | |
| 51 { | |
| 52 } | |
| 53 | |
| 54 NS_IMPL_CYCLE_COLLECTION_INHERITED(AddStyleSheetTxn, EditTxn, | |
| 55 mSheet) | |
| 56 | |
| 57 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AddStyleSheetTxn) | |
| 58 NS_INTERFACE_MAP_END_INHERITING(EditTxn) | |
| 59 | |
| 60 NS_IMETHODIMP | |
| 61 AddStyleSheetTxn::Init(nsIEditor *aEditor, nsCSSStyleSheet *aSheet) | |
| 62 { | |
| 63 NS_ENSURE_TRUE(aEditor && aSheet, NS_ERROR_INVALID_ARG); | |
| 64 | |
| 65 mEditor = aEditor; | |
| 66 mSheet = aSheet; | |
| 67 | |
| 68 return NS_OK; | |
| 69 } | |
| 70 | |
| 71 | |
| 72 NS_IMETHODIMP | |
| 73 AddStyleSheetTxn::DoTransaction() | |
| 74 { | |
| 75 NS_ENSURE_TRUE(mEditor && mSheet, NS_ERROR_NOT_INITIALIZED); | |
| 76 | |
| 77 AddStyleSheet(mEditor, mSheet); | |
| 78 return NS_OK; | |
| 79 } | |
| 80 | |
| 81 NS_IMETHODIMP | |
| 82 AddStyleSheetTxn::UndoTransaction() | |
| 83 { | |
| 84 NS_ENSURE_TRUE(mEditor && mSheet, NS_ERROR_NOT_INITIALIZED); | |
| 85 | |
| 86 RemoveStyleSheet(mEditor, mSheet); | |
| 87 return NS_OK; | |
| 88 } | |
| 89 | |
| 90 NS_IMETHODIMP | |
| 91 AddStyleSheetTxn::GetTxnDescription(nsAString& aString) | |
| 92 { | |
| 93 aString.AssignLiteral("AddStyleSheetTxn"); | |
| 94 return NS_OK; | |
| 95 } | |
| 96 | |
| 97 | |
| 98 RemoveStyleSheetTxn::RemoveStyleSheetTxn() | |
| 99 : EditTxn() | |
| 100 , mEditor(nullptr) | |
| 101 { | |
| 102 } | |
| 103 | |
| 104 NS_IMPL_CYCLE_COLLECTION_INHERITED(RemoveStyleSheetTxn, EditTxn, | |
| 105 mSheet) | |
| 106 | |
| 107 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RemoveStyleSheetTxn) | |
| 108 NS_INTERFACE_MAP_END_INHERITING(EditTxn) | |
| 109 | |
| 110 NS_IMETHODIMP | |
| 111 RemoveStyleSheetTxn::Init(nsIEditor *aEditor, nsCSSStyleSheet *aSheet) | |
| 112 { | |
| 113 NS_ENSURE_TRUE(aEditor && aSheet, NS_ERROR_INVALID_ARG); | |
| 114 | |
| 115 mEditor = aEditor; | |
| 116 mSheet = aSheet; | |
| 117 | |
| 118 return NS_OK; | |
| 119 } | |
| 120 | |
| 121 | |
| 122 NS_IMETHODIMP | |
| 123 RemoveStyleSheetTxn::DoTransaction() | |
| 124 { | |
| 125 NS_ENSURE_TRUE(mEditor && mSheet, NS_ERROR_NOT_INITIALIZED); | |
| 126 | |
| 127 RemoveStyleSheet(mEditor, mSheet); | |
| 128 return NS_OK; | |
| 129 } | |
| 130 | |
| 131 NS_IMETHODIMP | |
| 132 RemoveStyleSheetTxn::UndoTransaction() | |
| 133 { | |
| 134 NS_ENSURE_TRUE(mEditor && mSheet, NS_ERROR_NOT_INITIALIZED); | |
| 135 | |
| 136 AddStyleSheet(mEditor, mSheet); | |
| 137 return NS_OK; | |
| 138 } | |
| 139 | |
| 140 NS_IMETHODIMP | |
| 141 RemoveStyleSheetTxn::GetTxnDescription(nsAString& aString) | |
| 142 { | |
| 143 aString.AssignLiteral("RemoveStyleSheetTxn"); | |
| 144 return NS_OK; | |
| 145 } |
