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authorGrant Gayed <ggayed>2009-05-19 20:11:21 +0000
committerGrant Gayed <ggayed>2009-05-19 20:11:21 +0000
commite1944478e22e20ecb9470ddd94a9bc42df4b91c5 (patch)
tree5450544fe78fd4c4bc8188eb92d59e073429feb7
parent0bd40b87105c62acb1c4b13c39c51480544cb139 (diff)
downloadeclipse.platform.swt-e1944478e22e20ecb9470ddd94a9bc42df4b91c5.tar.gz
eclipse.platform.swt-e1944478e22e20ecb9470ddd94a9bc42df4b91c5.tar.xz
eclipse.platform.swt-e1944478e22e20ecb9470ddd94a9bc42df4b91c5.zip
re-commit
-rw-r--r--bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/library/nsIScriptContext.h466
-rw-r--r--bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/library/nsIScriptGlobalObject.h194
2 files changed, 660 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/library/nsIScriptContext.h b/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/library/nsIScriptContext.h
new file mode 100644
index 0000000000..1bfcacd8ac
--- /dev/null
+++ b/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/library/nsIScriptContext.h
@@ -0,0 +1,466 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-1999
+ * the Initial Developer. All Rights Reserved.
+ *
+ * This file is derived from the Original Code provided by mozilla.org,
+ * whose Initial Developer is Netscape Communications Corporation. Changes
+ * to the original file were made by SWT on April 7, 2009 and are marked
+ * with trailing comment "//SWT-20090407".
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsIScriptContext_h__
+#define nsIScriptContext_h__
+
+#include "nscore.h"
+//#include "nsStringGlue.h" //SWT-20090407
+#include "nsISupports.h"
+#include "nsCOMPtr.h"
+#include "nsIProgrammingLanguage.h"
+
+class nsIScriptGlobalObject;
+class nsIScriptSecurityManager;
+class nsIPrincipal;
+class nsIAtom;
+class nsIArray;
+class nsIVariant;
+class nsIObjectInputStream;
+class nsIObjectOutputStream;
+class nsScriptObjectHolder;
+
+typedef void (*nsScriptTerminationFunc)(nsISupports* aRef);
+
+#define NS_ISCRIPTCONTEXT_IID \
+{ /* {e7b9871d-3adc-4bf7-850d-7fb9554886bf} */ \
+ 0xe7b9871d, 0x3adc, 0x4bf7, \
+ { 0x85, 0x0d, 0x7f, 0xb9, 0x55, 0x48, 0x86, 0xbf } }
+
+/* This MUST match JSVERSION_DEFAULT. This version stuff if we don't
+ know what language we have is a little silly... */
+#define SCRIPTVERSION_DEFAULT JSVERSION_DEFAULT
+
+/**
+ * It is used by the application to initialize a runtime and run scripts.
+ * A script runtime would implement this interface.
+ * <P><I>It does have a bit too much java script information now, that
+ * should be removed in a short time. Ideally this interface will be
+ * language neutral</I>
+ */
+class nsIScriptContext : public nsISupports
+{
+public:
+//NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCRIPTCONTEXT_IID) //SWT-20090407
+
+ /* Get the ID of this language. */
+ virtual PRUint32 GetScriptTypeID() = 0;
+
+ /**
+ * Compile and execute a script.
+ *
+ * @param aScript a string representing the script to be executed
+ * @param aScopeObject a script object for the scope to execute in, or
+ * nsnull to use a default scope
+ * @param aPrincipal the principal that produced the script
+ * @param aURL the URL or filename for error messages
+ * @param aLineNo the starting line number of the script for error messages
+ * @param aVersion the script language version to use when executing
+ * @param aRetValue the result of executing the script, or null for no result.
+ * If this is a JS context, it's the caller's responsibility to
+ * preserve aRetValue from GC across this call
+ * @param aIsUndefined true if the result of executing the script is the
+ * undefined value
+ *
+ * @return NS_OK if the script was valid and got executed
+ *
+ **/
+ virtual nsresult EvaluateString(const nsAString& aScript,
+ void *aScopeObject,
+ nsIPrincipal *aPrincipal,
+ const char *aURL,
+ PRUint32 aLineNo,
+ PRUint32 aVersion,
+ nsAString *aRetValue,
+ PRBool* aIsUndefined) = 0;
+
+ // Note JS bigotry remains here - 'void *aRetValue' is assumed to be a
+ // jsval. This must move to JSObject before it can be made agnostic.
+ virtual nsresult EvaluateStringWithValue(const nsAString& aScript,
+ void *aScopeObject,
+ nsIPrincipal *aPrincipal,
+ const char *aURL,
+ PRUint32 aLineNo,
+ PRUint32 aVersion,
+ void* aRetValue,
+ PRBool* aIsUndefined) = 0;
+
+ /**
+ * Compile a script.
+ *
+ * @param aText a PRUnichar buffer containing script source
+ * @param aTextLength number of characters in aText
+ * @param aScopeObject an object telling the scope in which to execute,
+ * or nsnull to use a default scope
+ * @param aPrincipal the principal that produced the script
+ * @param aURL the URL or filename for error messages
+ * @param aLineNo the starting line number of the script for error messages
+ * @param aVersion the script language version to use when executing
+ * @param aScriptObject an executable object that's the result of compiling
+ * the script.
+ *
+ * @return NS_OK if the script source was valid and got compiled.
+ *
+ **/
+ virtual nsresult CompileScript(const PRUnichar* aText,
+ PRInt32 aTextLength,
+ void* aScopeObject,
+ nsIPrincipal* aPrincipal,
+ const char* aURL,
+ PRUint32 aLineNo,
+ PRUint32 aVersion,
+ nsScriptObjectHolder &aScriptObject) = 0;
+
+ /**
+ * Execute a precompiled script object.
+ *
+ * @param aScriptObject an object representing the script to be executed
+ * @param aScopeObject an object telling the scope in which to execute,
+ * or nsnull to use a default scope
+ * @param aRetValue the result of executing the script, may be null in
+ * which case no result string is computed
+ * @param aIsUndefined true if the result of executing the script is the
+ * undefined value, may be null for "don't care"
+ *
+ * @return NS_OK if the script was valid and got executed
+ *
+ */
+ virtual nsresult ExecuteScript(void* aScriptObject,
+ void* aScopeObject,
+ nsAString* aRetValue,
+ PRBool* aIsUndefined) = 0;
+
+ /**
+ * Compile the event handler named by atom aName, with function body aBody
+ * into a function object returned if ok via aHandler. Does NOT bind the
+ * function to anything - BindCompiledEventHandler() should be used for that
+ * purpose. Note that this event handler is always considered 'shared' and
+ * hence is compiled without principals. Never call the returned object
+ * directly - it must be bound (and thereby cloned, and therefore have the
+ * correct principals) before use!
+ *
+ * @param aName an nsIAtom pointer naming the function; it must be lowercase
+ * and ASCII, and should not be longer than 63 chars. This bound on
+ * length is enforced only by assertions, so caveat caller!
+ * @param aEventName the name that the event object should be bound to
+ * @param aBody the event handler function's body
+ * @param aURL the URL or filename for error messages
+ * @param aLineNo the starting line number of the script for error messages
+ * @param aVersion the script language version to use when executing
+ * @param aHandler the out parameter in which a void pointer to the compiled
+ * function object is stored on success
+ *
+ * @return NS_OK if the function body was valid and got compiled
+ */
+ virtual nsresult CompileEventHandler(nsIAtom* aName,
+ PRUint32 aArgCount,
+ const char** aArgNames,
+ const nsAString& aBody,
+ const char* aURL,
+ PRUint32 aLineNo,
+ PRUint32 aVersion,
+ nsScriptObjectHolder &aHandler) = 0;
+
+ /**
+ * Call the function object with given args and return its boolean result,
+ * or true if the result isn't boolean.
+ *
+ * @param aTarget the event target
+ * @param aScript an object telling the scope in which to call the compiled
+ * event handler function.
+ * @param aHandler function object (function and static scope) to invoke.
+ * @param argv array of arguments. Note each element is assumed to
+ * be an nsIVariant.
+ * @param rval out parameter returning result
+ **/
+ virtual nsresult CallEventHandler(nsISupports* aTarget,
+ void *aScope, void* aHandler,
+ nsIArray *argv, nsIVariant **rval) = 0;
+
+ /**
+ * Bind an already-compiled event handler function to a name in the given
+ * scope object. The same restrictions on aName (lowercase ASCII, not too
+ * long) applies here as for CompileEventHandler. Scripting languages with
+ * static scoping must re-bind the scope chain for aHandler to begin (after
+ * the activation scope for aHandler itself, typically) with aTarget's scope.
+ *
+ * Logically, this 'bind' operation is more of a 'copy' - it simply
+ * stashes/associates the event handler function with the event target, so
+ * it can be fetched later with GetBoundEventHandler().
+ *
+ * @param aTarget an object telling the scope in which to bind the compiled
+ * event handler function. The context will presumably associate
+ * this nsISupports with a native script object.
+ * @param aName an nsIAtom pointer naming the function; it must be lowercase
+ * and ASCII, and should not be longer than 63 chars. This bound on
+ * length is enforced only by assertions, so caveat caller!
+ * @param aHandler the function object to name, created by an earlier call to
+ * CompileEventHandler
+ * @return NS_OK if the function was successfully bound to the name
+ *
+ * XXXmarkh - fold this in with SetProperty? Exactly the same concept!
+ */
+ virtual nsresult BindCompiledEventHandler(nsISupports* aTarget, void *aScope,
+ nsIAtom* aName,
+ void* aHandler) = 0;
+
+ /**
+ * Lookup a previously bound event handler for the specified target. This
+ * will return an object equivilent to the one passed to
+ * BindCompiledEventHandler (although the pointer may not be the same).
+ *
+ */
+ virtual nsresult GetBoundEventHandler(nsISupports* aTarget, void *aScope,
+ nsIAtom* aName,
+ nsScriptObjectHolder &aHandler) = 0;
+
+ /**
+ * Compile a function that isn't used as an event handler.
+ *
+ * NOTE: Not yet language agnostic (main problem is XBL - not yet agnostic)
+ * Caller must make sure aFunctionObject is a JS GC root.
+ *
+ **/
+ virtual nsresult CompileFunction(void* aTarget,
+ const nsACString& aName,
+ PRUint32 aArgCount,
+ const char** aArgArray,
+ const nsAString& aBody,
+ const char* aURL,
+ PRUint32 aLineNo,
+ PRUint32 aVersion,
+ PRBool aShared,
+ void **aFunctionObject) = 0;
+
+ /**
+ * Set the default scripting language version for this context, which must
+ * be a context specific to a particular scripting language.
+ *
+ **/
+ virtual void SetDefaultLanguageVersion(PRUint32 aVersion) = 0;
+
+ /**
+ * Return the global object.
+ *
+ **/
+ virtual nsIScriptGlobalObject *GetGlobalObject() = 0;
+
+ /**
+ * Return the native script context
+ *
+ **/
+ virtual void *GetNativeContext() = 0;
+
+ /**
+ * Return the native global object for this context.
+ *
+ **/
+ virtual void *GetNativeGlobal() = 0;
+
+ /**
+ * Create a new global object that will be used for an inner window.
+ * Return the native global and an nsISupports 'holder' that can be used
+ * to manage the lifetime of it.
+ */
+ virtual nsresult CreateNativeGlobalForInner(
+ nsIScriptGlobalObject *aNewInner,
+ PRBool aIsChrome,
+ void **aNativeGlobal,
+ nsISupports **aHolder) = 0;
+
+ /**
+ * Connect this context to a new inner window, to allow "prototype"
+ * chaining from the inner to the outer.
+ * Called after both the the inner and outer windows are initialized
+ **/
+ virtual nsresult ConnectToInner(nsIScriptGlobalObject *aNewInner,
+ void *aOuterGlobal) = 0;
+
+
+ /**
+ * Init this context ready for use. If aGlobalObject is not NULL, this
+ * function may initialize based on this global (for example, using the
+ * global to locate a chrome window, create a new 'scope' for this
+ * global, etc)
+ *
+ * @param aGlobalObject the gobal object, which may be nsnull.
+ *
+ * @return NS_OK if context initialization was successful
+ *
+ **/
+ virtual nsresult InitContext(nsIScriptGlobalObject *aGlobalObject) = 0;
+
+ /**
+ * Check to see if context is as yet intialized. Used to prevent
+ * reentrancy issues during the initialization process.
+ *
+ * @return PR_TRUE if initialized, PR_FALSE if not
+ *
+ */
+ virtual PRBool IsContextInitialized() = 0;
+
+ /**
+ * Called as the global object discards its reference to the context.
+ */
+ virtual void FinalizeContext() = 0;
+
+ /**
+ * For garbage collected systems, do a synchronous collection pass.
+ * May be a no-op on other systems
+ *
+ * @return NS_OK if the method is successful
+ */
+ virtual void GC() = 0;
+
+ /**
+ * Inform the context that a script was evaluated.
+ * A GC may be done if "necessary."
+ * This call is necessary if script evaluation is done
+ * without using the EvaluateScript method.
+ * @param aTerminated If true then call termination function if it was
+ * previously set. Within DOM this will always be true, but outside
+ * callers (such as xpconnect) who may do script evaluations nested
+ * inside DOM script evaluations can pass false to avoid premature
+ * calls to the termination function.
+ * @return NS_OK if the method is successful
+ */
+ virtual void ScriptEvaluated(PRBool aTerminated) = 0;
+
+ virtual nsresult Serialize(nsIObjectOutputStream* aStream,
+ void *aScriptObject) = 0;
+
+ /* Deserialize a script from a stream.
+ */
+ virtual nsresult Deserialize(nsIObjectInputStream* aStream,
+ nsScriptObjectHolder &aResult) = 0;
+
+ /**
+ * JS only - this function need not be implemented by languages other
+ * than JS (ie, this should be moved to a private interface!)
+ * Called to specify a function that should be called when the current
+ * script (if there is one) terminates. Generally used if breakdown
+ * of script state needs to happen, but should be deferred till
+ * the end of script evaluation.
+ *
+ * @throws NS_ERROR_OUT_OF_MEMORY if that happens
+ */
+ virtual nsresult SetTerminationFunction(nsScriptTerminationFunc aFunc,
+ nsISupports* aRef) = 0;
+
+ /**
+ * Called to disable/enable script execution in this context.
+ */
+ virtual PRBool GetScriptsEnabled() = 0;
+ virtual void SetScriptsEnabled(PRBool aEnabled, PRBool aFireTimeouts) = 0;
+
+ // SetProperty is suspect and jst believes should not be needed. Currenly
+ // used only for "arguments".
+ virtual nsresult SetProperty(void *aTarget, const char *aPropName, nsISupports *aVal) = 0;
+ /**
+ * Called to set/get information if the script context is
+ * currently processing a script tag
+ */
+ virtual PRBool GetProcessingScriptTag() = 0;
+ virtual void SetProcessingScriptTag(PRBool aResult) = 0;
+
+ /**
+ * Tell the context whether or not to GC when destroyed. An optimization
+ * used when the window is a [i]frame, so GC will happen anyway.
+ */
+ virtual void SetGCOnDestruction(PRBool aGCOnDestruction) = 0;
+
+ /**
+ * Initialize DOM classes on aGlobalObj, always call
+ * WillInitializeContext() before calling InitContext(), and always
+ * call DidInitializeContext() when a context is fully
+ * (successfully) initialized.
+ */
+ virtual nsresult InitClasses(void *aGlobalObj) = 0;
+
+ /**
+ * Clear the scope object - may be called either as we are being torn down,
+ * or before we are attached to a different document.
+ *
+ * aClearFromProtoChain is probably somewhat JavaScript specific. It
+ * indicates that the global scope polluter should be removed from the
+ * prototype chain and that the objects in the prototype chain should
+ * also have their scopes cleared. We don't do this all the time
+ * because the prototype chain is shared between inner and outer
+ * windows, and needs to stay with inner windows that we're keeping
+ * around.
+ */
+ virtual void ClearScope(void* aGlobalObj, PRBool aClearFromProtoChain) = 0;
+
+ /**
+ * Tell the context we're about to be reinitialize it.
+ */
+ virtual void WillInitializeContext() = 0;
+
+ /**
+ * Tell the context we're done reinitializing it.
+ */
+ virtual void DidInitializeContext() = 0;
+
+ /**
+ * Tell the context our global has a new document, and the scope
+ * used by it. Use nsISupports to avoid dependency issues - but expect
+ * a QI for nsIDOMDocument and/or nsIDocument.
+ */
+ virtual void DidSetDocument(nsISupports *aDoc, void *aGlobal) = 0;
+
+ /* Memory managment for script objects. Used by the implementation of
+ * nsScriptObjectHolder to manage the lifetimes of the held script objects.
+ *
+ * See also nsIScriptRuntime, which has identical methods and is useful
+ * in situations when you do not have an nsIScriptContext.
+ *
+ */
+ virtual nsresult DropScriptObject(void *object) = 0;
+ virtual nsresult HoldScriptObject(void *object) = 0;
+
+ /* Report a pending exception if there is one on the native context */
+ virtual void ReportPendingException() = 0;
+};
+
+//NS_DEFINE_STATIC_IID_ACCESSOR(nsIScriptContext, NS_ISCRIPTCONTEXT_IID) //SWT-20090407
+
+#endif // nsIScriptContext_h__
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/library/nsIScriptGlobalObject.h b/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/library/nsIScriptGlobalObject.h
new file mode 100644
index 0000000000..aa0198e11b
--- /dev/null
+++ b/bundles/org.eclipse.swt/Eclipse SWT Mozilla/common/library/nsIScriptGlobalObject.h
@@ -0,0 +1,194 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 sw=2 et tw=80: */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * This file is derived from the Original Code provided by mozilla.org,
+ * whose Initial Developer is Netscape Communications Corporation. Changes
+ * to the original file were made by SWT on April 7, 2009 and are marked
+ * with trailing comment "//SWT-20090407".
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsIScriptGlobalObject_h__
+#define nsIScriptGlobalObject_h__
+
+#include "nsISupports.h"
+//#include "nsEvent.h" //SWT-20090407
+#include "nsIProgrammingLanguage.h"
+
+class nsIScriptContext;
+class nsIDOMDocument;
+class nsIDOMEvent;
+class nsPresContext;
+class nsIScriptGlobalObjectOwner;
+class nsIArray;
+class nsScriptErrorEvent;
+class nsIScriptGlobalObject;
+//enum nsEventStatus; //SWT-20090407
+struct JSObject; // until we finally remove GetGlobalJSObject...
+
+// Some helpers for working with integer "script type IDs", and specifically
+// for working with arrays of such objects. For example, it is common for
+// implementations supporting multiple script languages to keep each
+// language's nsIScriptContext in an array indexed by the language ID.
+
+// Implementation note: We always ignore nsIProgrammingLanguage::UNKNOWN and
+// nsIProgrammingLanguage::CPLUSPLUS - this gives javascript slot 0. An
+// attempted micro-optimization tried to avoid us going all the way to
+// nsIProgrammingLanguage::MAX; however:
+// * Someone is reportedly working on a PHP impl - that has value 9
+// * nsGenericElement therefore allows 4 bits for the value.
+// So there is no good reason for us to be more restrictive again...
+
+#define NS_STID_FIRST nsIProgrammingLanguage::JAVASCRIPT
+// like nsGenericElement, only 4 bits worth is valid...
+#define NS_STID_LAST (nsIProgrammingLanguage::MAX > 0x000FU ? \
+ 0x000FU : nsIProgrammingLanguage::MAX)
+
+// Use to declare the array size
+#define NS_STID_ARRAY_UBOUND (NS_STID_LAST-NS_STID_FIRST+1)
+
+// Is a language ID valid?
+#define NS_STID_VALID(langID) (langID >= NS_STID_FIRST && langID <= NS_STID_LAST)
+
+// Return an index for a given ID.
+#define NS_STID_INDEX(langID) (langID-NS_STID_FIRST)
+
+// Create a 'for' loop iterating over all possible language IDs (*not* indexes)
+#define NS_STID_FOR_ID(varName) \
+ for (varName=NS_STID_FIRST;varName<=NS_STID_LAST;varName++)
+
+// Create a 'for' loop iterating over all indexes (when you don't need to know
+// what language it is)
+#define NS_STID_FOR_INDEX(varName) \
+ for (varName=0;varName<=NS_STID_INDEX(NS_STID_LAST);varName++)
+
+// A helper function for nsIScriptGlobalObject implementations to use
+// when handling a script error. Generally called by the global when a context
+// notifies it of an error via nsIScriptGlobalObject::HandleScriptError.
+// Returns PR_TRUE if HandleDOMEvent was actually called, in which case
+// aStatus will be filled in with the status.
+//PRBool //SWT-20090407
+//NS_HandleScriptError(nsIScriptGlobalObject *aScriptGlobal, //SWT-20090407
+// nsScriptErrorEvent *aErrorEvent, //SWT-20090407
+// nsEventStatus *aStatus); //SWT-20090407
+
+
+#define NS_ISCRIPTGLOBALOBJECT_IID \
+{ /* {6afecd40-0b9a-4cfd-8c42-0f645cd91829} */ \
+ 0x6afecd40, 0x0b9a, 0x4cfd, \
+ { 0x8c, 0x42, 0x0f, 0x64, 0x5c, 0xd9, 0x18, 0x29 } }
+
+/**
++ * The global object which keeps a script context for each supported script
++ * language. This often used to store per-window global state.
+ */
+
+class nsIScriptGlobalObject : public nsISupports
+{
+public:
+//NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCRIPTGLOBALOBJECT_IID) //SWT-20090407
+
+ /**
+ * Ensure that the script global object is initialized for working with the
+ * specified script language ID. This will set up the nsIScriptContext
+ * and 'script global' for that language, allowing these to be fetched
+ * and manipulated.
+ * @return NS_OK if successful; error conditions include that the language
+ * has not been registered, as well as 'normal' errors, such as
+ * out-of-memory
+ */
+ virtual nsresult EnsureScriptEnvironment(PRUint32 aLangID) = 0;
+ /**
+ * Get a script context (WITHOUT added reference) for the specified language.
+ */
+ virtual nsIScriptContext *GetScriptContext(PRUint32 lang) = 0;
+
+ /**
+ * Get the opaque "global" object for the specified lang.
+ */
+ virtual void *GetScriptGlobal(PRUint32 lang) = 0;
+
+ // Set/GetContext deprecated methods - use GetScriptContext/Global
+ virtual JSObject *GetGlobalJSObject() {
+ return (JSObject *)GetScriptGlobal(nsIProgrammingLanguage::JAVASCRIPT);
+ }
+
+ virtual nsIScriptContext *GetContext() {
+ return GetScriptContext(nsIProgrammingLanguage::JAVASCRIPT);
+ }
+
+ /**
+ * Set a new language context for this global. The native global for the
+ * context is created by the context's GetNativeGlobal() method.
+ */
+
+ virtual nsresult SetScriptContext(PRUint32 lang, nsIScriptContext *aContext) = 0;
+
+ /**
+ * Called when the global script for a language is finalized, typically as
+ * part of its GC process. By the time this call is made, the
+ * nsIScriptContext for the language has probably already been removed.
+ * After this call, the passed object is dead - which should generally be the
+ * same object the global is using for a global for that language.
+ */
+
+ virtual void OnFinalize(PRUint32 aLangID, void *aScriptGlobal) = 0;
+
+ /**
+ * Called to enable/disable scripts.
+ */
+ virtual void SetScriptsEnabled(PRBool aEnabled, PRBool aFireTimeouts) = 0;
+
+ /** Set a new arguments object for this window. This will be set on
+ * the window right away (if there's an existing document) and it
+ * will also be installed on the window when the next document is
+ * loaded. Each language impl is responsible for converting to
+ * an array of args as appropriate for that language.
+ */
+ virtual nsresult SetNewArguments(nsIArray *aArguments) = 0;
+
+ /** Handle a script error. Generally called by a script context.
+ */
+//virtual nsresult HandleScriptError(nsScriptErrorEvent *aErrorEvent, //SWT-20090407
+// nsEventStatus *aEventStatus) { //SWT-20090407
+// return NS_HandleScriptError(this, aErrorEvent, aEventStatus); //SWT-20090407
+//}
+};
+
+//NS_DEFINE_STATIC_IID_ACCESSOR(nsIScriptGlobalObject, //SWT-20090407
+// NS_ISCRIPTGLOBALOBJECT_IID) //SWT-20090407
+
+#endif