The Tor Browser: dom/xbl/nsXBLProtoImplMember.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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/. */

     6 #ifndef nsXBLProtoImplMember_h__

     7 #define nsXBLProtoImplMember_h__

     9 #include "nsIAtom.h"

    10 #include "nsString.h"

    11 #include "nsString.h"

    12 #include "nsIServiceManager.h"

    13 #include "nsContentUtils.h" // For NS_CONTENT_DELETE_LIST_MEMBER.

    14 #include "nsCycleCollectionParticipant.h"

    16 class nsIContent;

    17 class nsIObjectOutputStream;

    19 struct nsXBLTextWithLineNumber

    20 {

    21   char16_t* mText;

    22   uint32_t mLineNumber;

    24   nsXBLTextWithLineNumber() :

    25     mText(nullptr),

    26     mLineNumber(0)

    27   {

    28     MOZ_COUNT_CTOR(nsXBLTextWithLineNumber);

    29   }

    31   ~nsXBLTextWithLineNumber() {

    32     MOZ_COUNT_DTOR(nsXBLTextWithLineNumber);

    33     if (mText) {

    34       nsMemory::Free(mText);

    35     }

    36   }

    38   void AppendText(const nsAString& aText) {

    39     if (mText) {

    40       char16_t* temp = mText;

    41       mText = ToNewUnicode(nsDependentString(temp) + aText);

    42       nsMemory::Free(temp);

    43     } else {

    44       mText = ToNewUnicode(aText);

    45     }

    46   }

    48   char16_t* GetText() {

    49     return mText;

    50   }

    52   void SetLineNumber(uint32_t aLineNumber) {

    53     mLineNumber = aLineNumber;

    54   }

    56   uint32_t GetLineNumber() {

    57     return mLineNumber;

    58   }

    59 };

    61 class nsXBLProtoImplMember

    62 {

    63 public:

    64   nsXBLProtoImplMember(const char16_t* aName)

    65     : mNext(nullptr)

    66     , mExposeToUntrustedContent(false)

    67   {

    68     mName = ToNewUnicode(nsDependentString(aName));

    69   }

    70   virtual ~nsXBLProtoImplMember() {

    71     nsMemory::Free(mName);

    72     NS_CONTENT_DELETE_LIST_MEMBER(nsXBLProtoImplMember, this, mNext);

    73   }

    75   nsXBLProtoImplMember* GetNext() { return mNext; }

    76   void SetNext(nsXBLProtoImplMember* aNext) { mNext = aNext; }

    77   bool ShouldExposeToUntrustedContent() { return mExposeToUntrustedContent; }

    78   void SetExposeToUntrustedContent(bool aExpose) { mExposeToUntrustedContent = aExpose; }

    79   const char16_t* GetName() { return mName; }

    81   virtual nsresult InstallMember(JSContext* aCx,

    82                                  JS::Handle<JSObject*> aTargetClassObject) = 0;

    83   virtual nsresult CompileMember(const nsCString& aClassStr,

    84                                  JS::Handle<JSObject*> aClassObject) = 0;

    86   virtual void Trace(const TraceCallbacks& aCallbacks, void *aClosure) = 0;

    88   virtual nsresult Write(nsIObjectOutputStream* aStream)

    89   {

    90     return NS_OK;

    91   }

    93 protected:

    94   nsXBLProtoImplMember* mNext;  // The members of an implementation are chained.

    95   char16_t* mName;               // The name of the field, method, or property.

    97   bool mExposeToUntrustedContent; // If this binding is installed on an element

    98                                   // in an untrusted scope, should this

    99                                   // implementation member be accessible to the

   100                                   // content?

   101 };

   103 #endif // nsXBLProtoImplMember_h__

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