mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
287 lines
7.4 KiB
C++
287 lines
7.4 KiB
C++
/* -*- 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.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications.
|
|
* Portions created by the Initial Developer are Copyright (C) 2001
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Vidur Apparao <vidur@netscape.com> (original author)
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either 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 nsIScriptElement_h___
|
|
#define nsIScriptElement_h___
|
|
|
|
#include "nsISupports.h"
|
|
#include "nsIURI.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsIScriptLoaderObserver.h"
|
|
#include "nsWeakPtr.h"
|
|
#include "nsIParser.h"
|
|
#include "nsContentCreatorFunctions.h"
|
|
#include "nsIDOMHTMLScriptElement.h"
|
|
|
|
#define NS_ISCRIPTELEMENT_IID \
|
|
{ 0x6d625b30, 0xfac4, 0x11de, \
|
|
{ 0x8a, 0x39, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66 } }
|
|
|
|
/**
|
|
* Internal interface implemented by script elements
|
|
*/
|
|
class nsIScriptElement : public nsIScriptLoaderObserver {
|
|
public:
|
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCRIPTELEMENT_IID)
|
|
|
|
nsIScriptElement(mozilla::dom::FromParser aFromParser)
|
|
: mLineNumber(0),
|
|
mAlreadyStarted(false),
|
|
mMalformed(false),
|
|
mDoneAddingChildren(aFromParser == mozilla::dom::NOT_FROM_PARSER ||
|
|
aFromParser == mozilla::dom::FROM_PARSER_FRAGMENT),
|
|
mForceAsync(aFromParser == mozilla::dom::NOT_FROM_PARSER ||
|
|
aFromParser == mozilla::dom::FROM_PARSER_FRAGMENT),
|
|
mFrozen(false),
|
|
mDefer(false),
|
|
mAsync(false),
|
|
mExternal(false),
|
|
mParserCreated(aFromParser == mozilla::dom::FROM_PARSER_FRAGMENT ?
|
|
mozilla::dom::NOT_FROM_PARSER : aFromParser),
|
|
// Fragment parser-created scripts (if executable)
|
|
// behave like script-created scripts.
|
|
mCreatorParser(nsnull)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Content type identifying the scripting language. Can be empty, in
|
|
* which case javascript will be assumed.
|
|
*/
|
|
virtual void GetScriptType(nsAString& type) = 0;
|
|
|
|
/**
|
|
* Location of script source text. Can return null, in which case
|
|
* this is assumed to be an inline script element.
|
|
*/
|
|
nsIURI* GetScriptURI()
|
|
{
|
|
NS_PRECONDITION(mFrozen, "Not ready for this call yet!");
|
|
return mUri;
|
|
}
|
|
|
|
/**
|
|
* Script source text for inline script elements.
|
|
*/
|
|
virtual void GetScriptText(nsAString& text) = 0;
|
|
|
|
virtual void GetScriptCharset(nsAString& charset) = 0;
|
|
|
|
/**
|
|
* Freezes the return values of GetScriptDeferred(), GetScriptAsync() and
|
|
* GetScriptURI() so that subsequent modifications to the attributes don't
|
|
* change execution behavior.
|
|
*/
|
|
virtual void FreezeUriAsyncDefer() = 0;
|
|
|
|
/**
|
|
* Is the script deferred. Currently only supported by HTML scripts.
|
|
*/
|
|
bool GetScriptDeferred()
|
|
{
|
|
NS_PRECONDITION(mFrozen, "Not ready for this call yet!");
|
|
return mDefer;
|
|
}
|
|
|
|
/**
|
|
* Is the script async. Currently only supported by HTML scripts.
|
|
*/
|
|
bool GetScriptAsync()
|
|
{
|
|
NS_PRECONDITION(mFrozen, "Not ready for this call yet!");
|
|
return mAsync;
|
|
}
|
|
|
|
/**
|
|
* Is the script an external script?
|
|
*/
|
|
bool GetScriptExternal()
|
|
{
|
|
NS_PRECONDITION(mFrozen, "Not ready for this call yet!");
|
|
return mExternal;
|
|
}
|
|
|
|
/**
|
|
* Returns how the element was created.
|
|
*/
|
|
mozilla::dom::FromParser GetParserCreated()
|
|
{
|
|
return mParserCreated;
|
|
}
|
|
|
|
void SetScriptLineNumber(PRUint32 aLineNumber)
|
|
{
|
|
mLineNumber = aLineNumber;
|
|
}
|
|
PRUint32 GetScriptLineNumber()
|
|
{
|
|
return mLineNumber;
|
|
}
|
|
|
|
void SetIsMalformed()
|
|
{
|
|
mMalformed = true;
|
|
}
|
|
bool IsMalformed()
|
|
{
|
|
return mMalformed;
|
|
}
|
|
|
|
void PreventExecution()
|
|
{
|
|
mAlreadyStarted = true;
|
|
}
|
|
|
|
void LoseParserInsertedness()
|
|
{
|
|
mFrozen = false;
|
|
mUri = nsnull;
|
|
mCreatorParser = nsnull;
|
|
mParserCreated = mozilla::dom::NOT_FROM_PARSER;
|
|
bool async = false;
|
|
nsCOMPtr<nsIDOMHTMLScriptElement> htmlScript = do_QueryInterface(this);
|
|
if (htmlScript) {
|
|
htmlScript->GetAsync(&async);
|
|
}
|
|
mForceAsync = !async;
|
|
}
|
|
|
|
void SetCreatorParser(nsIParser* aParser)
|
|
{
|
|
mCreatorParser = getter_AddRefs(NS_GetWeakReference(aParser));
|
|
}
|
|
|
|
/**
|
|
* Informs the creator parser that the evaluation of this script is starting
|
|
*/
|
|
void BeginEvaluating()
|
|
{
|
|
nsCOMPtr<nsIParser> parser = do_QueryReferent(mCreatorParser);
|
|
if (parser) {
|
|
parser->BeginEvaluatingParserInsertedScript();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Informs the creator parser that the evaluation of this script is ending
|
|
*/
|
|
void EndEvaluating()
|
|
{
|
|
nsCOMPtr<nsIParser> parser = do_QueryReferent(mCreatorParser);
|
|
if (parser) {
|
|
parser->EndEvaluatingParserInsertedScript();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieves a pointer to the creator parser if this has one or null if not
|
|
*/
|
|
already_AddRefed<nsIParser> GetCreatorParser()
|
|
{
|
|
nsCOMPtr<nsIParser> parser = do_QueryReferent(mCreatorParser);
|
|
return parser.forget();
|
|
}
|
|
|
|
protected:
|
|
/**
|
|
* The start line number of the script.
|
|
*/
|
|
PRUint32 mLineNumber;
|
|
|
|
/**
|
|
* The "already started" flag per HTML5.
|
|
*/
|
|
bool mAlreadyStarted;
|
|
|
|
/**
|
|
* The script didn't have an end tag.
|
|
*/
|
|
bool mMalformed;
|
|
|
|
/**
|
|
* False if parser-inserted but the parser hasn't triggered running yet.
|
|
*/
|
|
bool mDoneAddingChildren;
|
|
|
|
/**
|
|
* If true, the .async property returns true instead of reflecting the
|
|
* content attribute.
|
|
*/
|
|
bool mForceAsync;
|
|
|
|
/**
|
|
* Whether src, defer and async are frozen.
|
|
*/
|
|
bool mFrozen;
|
|
|
|
/**
|
|
* The effective deferredness.
|
|
*/
|
|
bool mDefer;
|
|
|
|
/**
|
|
* The effective asyncness.
|
|
*/
|
|
bool mAsync;
|
|
|
|
/**
|
|
* The effective externalness. A script can be external with mUri being null
|
|
* if the src attribute contained an invalid URL string.
|
|
*/
|
|
bool mExternal;
|
|
|
|
/**
|
|
* Whether this element was parser-created.
|
|
*/
|
|
mozilla::dom::FromParser mParserCreated;
|
|
|
|
/**
|
|
* The effective src (or null if no src).
|
|
*/
|
|
nsCOMPtr<nsIURI> mUri;
|
|
|
|
/**
|
|
* The creator parser of a non-defer, non-async parser-inserted script.
|
|
*/
|
|
nsWeakPtr mCreatorParser;
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsIScriptElement, NS_ISCRIPTELEMENT_IID)
|
|
|
|
#endif // nsIScriptElement_h___
|