The Tor Browser / file comparison
comparison: content/base/src/DOMStringList.h
content/base/src/DOMStringList.h
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
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| -1:000000000000 | 0:3fe937fc0043 |
|---|---|
| 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 #ifndef mozilla_dom_DOMStringList_h | |
| 7 #define mozilla_dom_DOMStringList_h | |
| 8 | |
| 9 #include "nsISupports.h" | |
| 10 #include "nsTArray.h" | |
| 11 #include "nsWrapperCache.h" | |
| 12 #include "nsString.h" | |
| 13 | |
| 14 namespace mozilla { | |
| 15 namespace dom { | |
| 16 | |
| 17 class DOMStringList : public nsISupports, | |
| 18 public nsWrapperCache | |
| 19 { | |
| 20 public: | |
| 21 DOMStringList() | |
| 22 { | |
| 23 SetIsDOMBinding(); | |
| 24 } | |
| 25 virtual ~DOMStringList(); | |
| 26 | |
| 27 NS_DECL_CYCLE_COLLECTING_ISUPPORTS | |
| 28 NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DOMStringList) | |
| 29 | |
| 30 virtual JSObject* WrapObject(JSContext* aCx); | |
| 31 nsISupports* GetParentObject() | |
| 32 { | |
| 33 return nullptr; | |
| 34 } | |
| 35 | |
| 36 void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aResult) | |
| 37 { | |
| 38 EnsureFresh(); | |
| 39 if (aIndex < mNames.Length()) { | |
| 40 aFound = true; | |
| 41 aResult = mNames[aIndex]; | |
| 42 } else { | |
| 43 aFound = false; | |
| 44 } | |
| 45 } | |
| 46 | |
| 47 void Item(uint32_t aIndex, nsAString& aResult) | |
| 48 { | |
| 49 EnsureFresh(); | |
| 50 if (aIndex < mNames.Length()) { | |
| 51 aResult = mNames[aIndex]; | |
| 52 } else { | |
| 53 aResult.SetIsVoid(true); | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 uint32_t Length() | |
| 58 { | |
| 59 EnsureFresh(); | |
| 60 return mNames.Length(); | |
| 61 } | |
| 62 | |
| 63 bool Contains(const nsAString& aString) | |
| 64 { | |
| 65 EnsureFresh(); | |
| 66 return mNames.Contains(aString); | |
| 67 } | |
| 68 | |
| 69 bool Add(const nsAString& aName) | |
| 70 { | |
| 71 // XXXbz mNames should really be a fallible array; otherwise this | |
| 72 // return value is meaningless. | |
| 73 return mNames.AppendElement(aName) != nullptr; | |
| 74 } | |
| 75 | |
| 76 void Clear() | |
| 77 { | |
| 78 mNames.Clear(); | |
| 79 } | |
| 80 | |
| 81 nsTArray<nsString>& StringArray() | |
| 82 { | |
| 83 return mNames; | |
| 84 } | |
| 85 | |
| 86 void CopyList(nsTArray<nsString>& aNames) | |
| 87 { | |
| 88 aNames = mNames; | |
| 89 } | |
| 90 | |
| 91 protected: | |
| 92 // A method that subclasses can override to modify mNames as needed | |
| 93 // before we index into it or return its length or whatnot. | |
| 94 virtual void EnsureFresh() | |
| 95 { | |
| 96 } | |
| 97 | |
| 98 // XXXbz we really want this to be a fallible array, but we end up passing it | |
| 99 // to consumers who declare themselves as taking and nsTArray. :( | |
| 100 nsTArray<nsString> mNames; | |
| 101 }; | |
| 102 | |
| 103 } // namespace dom | |
| 104 } // namespace mozilla | |
| 105 | |
| 106 #endif /* mozilla_dom_DOMStringList_h */ |
