content/base/src/DOMStringList.h

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

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

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