mirror of
https://github.com/mozilla/gecko-dev.git
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555ae1b325
--HG-- rename : dom/src/base/Makefile.in => dom/base/Makefile.in rename : dom/src/base/crashtests/244933-1.html => dom/base/crashtests/244933-1.html rename : dom/src/base/crashtests/275912-1.html => dom/base/crashtests/275912-1.html rename : dom/src/base/crashtests/327571-1.html => dom/base/crashtests/327571-1.html rename : dom/src/base/crashtests/327695-1.html => dom/base/crashtests/327695-1.html rename : dom/src/base/crashtests/329481-1.xhtml => dom/base/crashtests/329481-1.xhtml rename : dom/src/base/crashtests/338674-1.xhtml => dom/base/crashtests/338674-1.xhtml rename : dom/src/base/crashtests/346381-1.html => dom/base/crashtests/346381-1.html rename : dom/src/base/crashtests/359432-1.xhtml => dom/base/crashtests/359432-1.xhtml rename : dom/src/base/crashtests/369413-1.html => dom/base/crashtests/369413-1.html rename : dom/src/base/crashtests/372554-1.html => dom/base/crashtests/372554-1.html rename : dom/src/base/crashtests/404869-1.xul => dom/base/crashtests/404869-1.xul rename : dom/src/base/crashtests/439206-1.html => dom/base/crashtests/439206-1.html rename : dom/src/base/crashtests/462947.html => dom/base/crashtests/462947.html rename : dom/src/base/crashtests/473284.xul => dom/base/crashtests/473284.xul rename : dom/src/base/crashtests/90613-1.html => dom/base/crashtests/90613-1.html rename : dom/src/base/crashtests/crashtests.list => dom/base/crashtests/crashtests.list rename : dom/src/base/domerr.msg => dom/base/domerr.msg rename : dom/src/base/nsBarProps.cpp => dom/base/nsBarProps.cpp rename : dom/src/base/nsBarProps.h => dom/base/nsBarProps.h rename : dom/public/nsDOMCID.h => dom/base/nsDOMCID.h rename : dom/src/base/nsDOMClassInfo.cpp => dom/base/nsDOMClassInfo.cpp rename : dom/src/base/nsDOMClassInfo.h => dom/base/nsDOMClassInfo.h rename : dom/public/nsDOMClassInfoID.h => dom/base/nsDOMClassInfoID.h rename : dom/public/nsDOMError.h => dom/base/nsDOMError.h rename : dom/src/base/nsDOMException.cpp => dom/base/nsDOMException.cpp rename : dom/src/base/nsDOMException.h => dom/base/nsDOMException.h rename : dom/public/nsDOMJSUtils.h => dom/base/nsDOMJSUtils.h rename : dom/src/base/nsDOMScriptObjectFactory.cpp => dom/base/nsDOMScriptObjectFactory.cpp rename : dom/src/base/nsDOMScriptObjectFactory.h => dom/base/nsDOMScriptObjectFactory.h rename : dom/public/nsDOMScriptObjectHolder.h => dom/base/nsDOMScriptObjectHolder.h rename : dom/public/nsDOMString.h => dom/base/nsDOMString.h rename : dom/src/base/nsDOMWindowList.cpp => dom/base/nsDOMWindowList.cpp rename : dom/src/base/nsDOMWindowList.h => dom/base/nsDOMWindowList.h rename : dom/src/base/nsDOMWindowUtils.cpp => dom/base/nsDOMWindowUtils.cpp rename : dom/src/base/nsDOMWindowUtils.h => dom/base/nsDOMWindowUtils.h rename : dom/src/base/nsFocusController.cpp => dom/base/nsFocusController.cpp rename : dom/src/base/nsFocusController.h => dom/base/nsFocusController.h rename : dom/src/base/nsGlobalWindow.cpp => dom/base/nsGlobalWindow.cpp rename : dom/src/base/nsGlobalWindow.h => dom/base/nsGlobalWindow.h rename : dom/src/base/nsGlobalWindowCommands.cpp => dom/base/nsGlobalWindowCommands.cpp rename : dom/src/base/nsGlobalWindowCommands.h => dom/base/nsGlobalWindowCommands.h rename : dom/src/base/nsHistory.cpp => dom/base/nsHistory.cpp rename : dom/src/base/nsHistory.h => dom/base/nsHistory.h rename : dom/public/nsIBaseDOMException.h => dom/base/nsIBaseDOMException.h rename : dom/public/nsIDOMClassInfo.h => dom/base/nsIDOMClassInfo.h rename : dom/public/nsIDOMScriptObjectFactory.h => dom/base/nsIDOMScriptObjectFactory.h rename : dom/public/nsIEntropyCollector.idl => dom/base/nsIEntropyCollector.idl rename : dom/public/base/nsIFocusController.h => dom/base/nsIFocusController.h rename : dom/public/nsIJSEventListener.h => dom/base/nsIJSEventListener.h rename : dom/public/nsIJSNativeInitializer.h => dom/base/nsIJSNativeInitializer.h rename : dom/public/nsIScriptChannel.idl => dom/base/nsIScriptChannel.idl rename : dom/public/nsIScriptContext.h => dom/base/nsIScriptContext.h rename : dom/public/nsIScriptExternalNameSet.h => dom/base/nsIScriptExternalNameSet.h rename : dom/public/nsIScriptGlobalObject.h => dom/base/nsIScriptGlobalObject.h rename : dom/public/nsIScriptGlobalObjectOwner.h => dom/base/nsIScriptGlobalObjectOwner.h rename : dom/public/nsIScriptNameSpaceManager.h => dom/base/nsIScriptNameSpaceManager.h rename : dom/public/nsIScriptObjectOwner.h => dom/base/nsIScriptObjectOwner.h rename : dom/public/nsIScriptObjectPrincipal.h => dom/base/nsIScriptObjectPrincipal.h rename : dom/public/nsIScriptRuntime.h => dom/base/nsIScriptRuntime.h rename : dom/public/nsIScriptTimeoutHandler.h => dom/base/nsIScriptTimeoutHandler.h rename : dom/src/base/nsJSEnvironment.cpp => dom/base/nsJSEnvironment.cpp rename : dom/src/base/nsJSEnvironment.h => dom/base/nsJSEnvironment.h rename : dom/src/base/nsJSTimeoutHandler.cpp => dom/base/nsJSTimeoutHandler.cpp rename : dom/src/base/nsJSUtils.cpp => dom/base/nsJSUtils.cpp rename : dom/src/base/nsJSUtils.h => dom/base/nsJSUtils.h rename : dom/src/base/nsLocation.cpp => dom/base/nsLocation.cpp rename : dom/src/base/nsMimeTypeArray.cpp => dom/base/nsMimeTypeArray.cpp rename : dom/src/base/nsMimeTypeArray.h => dom/base/nsMimeTypeArray.h rename : dom/public/base/nsPIDOMWindow.h => dom/base/nsPIDOMWindow.h rename : dom/public/base/nsPIWindowRoot.h => dom/base/nsPIWindowRoot.h rename : dom/src/base/nsPluginArray.cpp => dom/base/nsPluginArray.cpp rename : dom/src/base/nsPluginArray.h => dom/base/nsPluginArray.h rename : dom/src/base/nsScreen.cpp => dom/base/nsScreen.cpp rename : dom/src/base/nsScreen.h => dom/base/nsScreen.h rename : dom/src/base/nsScriptNameSpaceManager.cpp => dom/base/nsScriptNameSpaceManager.cpp rename : dom/src/base/nsScriptNameSpaceManager.h => dom/base/nsScriptNameSpaceManager.h rename : dom/src/base/nsWindowRoot.cpp => dom/base/nsWindowRoot.cpp rename : dom/src/base/nsWindowRoot.h => dom/base/nsWindowRoot.h rename : dom/public/nsWrapperCache.h => dom/base/nsWrapperCache.h
189 lines
7.4 KiB
C++
189 lines
7.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 et tw=80: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIScriptGlobalObject_h__
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#define nsIScriptGlobalObject_h__
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#include "nsISupports.h"
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#include "nsEvent.h"
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#include "nsIProgrammingLanguage.h"
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class nsIScriptContext;
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class nsIDOMDocument;
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class nsIDOMEvent;
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class nsPresContext;
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class nsIScriptGlobalObjectOwner;
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class nsIArray;
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class nsScriptErrorEvent;
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class nsIScriptGlobalObject;
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struct JSObject; // until we finally remove GetGlobalJSObject...
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// Some helpers for working with integer "script type IDs", and specifically
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// for working with arrays of such objects. For example, it is common for
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// implementations supporting multiple script languages to keep each
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// language's nsIScriptContext in an array indexed by the language ID.
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// Implementation note: We always ignore nsIProgrammingLanguage::UNKNOWN and
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// nsIProgrammingLanguage::CPLUSPLUS - this gives javascript slot 0. An
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// attempted micro-optimization tried to avoid us going all the way to
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// nsIProgrammingLanguage::MAX; however:
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// * Someone is reportedly working on a PHP impl - that has value 9
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// * nsGenericElement therefore allows 4 bits for the value.
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// So there is no good reason for us to be more restrictive again...
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#define NS_STID_FIRST nsIProgrammingLanguage::JAVASCRIPT
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// like nsGenericElement, only 4 bits worth is valid...
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#define NS_STID_LAST (nsIProgrammingLanguage::MAX > 0x000FU ? \
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0x000FU : nsIProgrammingLanguage::MAX)
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// Use to declare the array size
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#define NS_STID_ARRAY_UBOUND (NS_STID_LAST-NS_STID_FIRST+1)
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// Is a language ID valid?
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#define NS_STID_VALID(langID) (langID >= NS_STID_FIRST && langID <= NS_STID_LAST)
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// Return an index for a given ID.
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#define NS_STID_INDEX(langID) (langID-NS_STID_FIRST)
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// Create a 'for' loop iterating over all possible language IDs (*not* indexes)
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#define NS_STID_FOR_ID(varName) \
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for (varName=NS_STID_FIRST;varName<=NS_STID_LAST;varName++)
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// Create a 'for' loop iterating over all indexes (when you don't need to know
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// what language it is)
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#define NS_STID_FOR_INDEX(varName) \
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for (varName=0;varName<=NS_STID_INDEX(NS_STID_LAST);varName++)
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// A helper function for nsIScriptGlobalObject implementations to use
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// when handling a script error. Generally called by the global when a context
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// notifies it of an error via nsIScriptGlobalObject::HandleScriptError.
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// Returns PR_TRUE if HandleDOMEvent was actually called, in which case
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// aStatus will be filled in with the status.
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PRBool
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NS_HandleScriptError(nsIScriptGlobalObject *aScriptGlobal,
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nsScriptErrorEvent *aErrorEvent,
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nsEventStatus *aStatus);
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#define NS_ISCRIPTGLOBALOBJECT_IID \
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{ /* {6afecd40-0b9a-4cfd-8c42-0f645cd91829} */ \
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0x6afecd40, 0x0b9a, 0x4cfd, \
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{ 0x8c, 0x42, 0x0f, 0x64, 0x5c, 0xd9, 0x18, 0x29 } }
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/**
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+ * The global object which keeps a script context for each supported script
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+ * language. This often used to store per-window global state.
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*/
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class nsIScriptGlobalObject : public nsISupports
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCRIPTGLOBALOBJECT_IID)
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/**
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* Ensure that the script global object is initialized for working with the
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* specified script language ID. This will set up the nsIScriptContext
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* and 'script global' for that language, allowing these to be fetched
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* and manipulated.
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* @return NS_OK if successful; error conditions include that the language
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* has not been registered, as well as 'normal' errors, such as
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* out-of-memory
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*/
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virtual nsresult EnsureScriptEnvironment(PRUint32 aLangID) = 0;
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/**
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* Get a script context (WITHOUT added reference) for the specified language.
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*/
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virtual nsIScriptContext *GetScriptContext(PRUint32 lang) = 0;
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/**
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* Get the opaque "global" object for the specified lang.
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*/
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virtual void *GetScriptGlobal(PRUint32 lang) = 0;
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// Set/GetContext deprecated methods - use GetScriptContext/Global
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virtual JSObject *GetGlobalJSObject() {
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return (JSObject *)GetScriptGlobal(nsIProgrammingLanguage::JAVASCRIPT);
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}
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virtual nsIScriptContext *GetContext() {
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return GetScriptContext(nsIProgrammingLanguage::JAVASCRIPT);
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}
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/**
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* Set a new language context for this global. The native global for the
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* context is created by the context's GetNativeGlobal() method.
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*/
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virtual nsresult SetScriptContext(PRUint32 lang, nsIScriptContext *aContext) = 0;
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/**
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* Called when the global script for a language is finalized, typically as
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* part of its GC process. By the time this call is made, the
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* nsIScriptContext for the language has probably already been removed.
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* After this call, the passed object is dead - which should generally be the
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* same object the global is using for a global for that language.
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*/
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virtual void OnFinalize(PRUint32 aLangID, void *aScriptGlobal) = 0;
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/**
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* Called to enable/disable scripts.
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*/
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virtual void SetScriptsEnabled(PRBool aEnabled, PRBool aFireTimeouts) = 0;
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/** Set a new arguments object for this window. This will be set on
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* the window right away (if there's an existing document) and it
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* will also be installed on the window when the next document is
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* loaded. Each language impl is responsible for converting to
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* an array of args as appropriate for that language.
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*/
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virtual nsresult SetNewArguments(nsIArray *aArguments) = 0;
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/** Handle a script error. Generally called by a script context.
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*/
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virtual nsresult HandleScriptError(nsScriptErrorEvent *aErrorEvent,
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nsEventStatus *aEventStatus) {
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return NS_HandleScriptError(this, aErrorEvent, aEventStatus);
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}
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIScriptGlobalObject,
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NS_ISCRIPTGLOBALOBJECT_IID)
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#endif
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