gecko/dom/base/nsDOMJSUtils.h
Jose Cortes 5a8bc5381c Bug 842186 - Replace use of jsval with JS::Value in dom/base. r=jwalden
From 1a684ed61615d32965201e55335478d5f403ac4a Mon Sep 17 00:00:00 2001
 cpp files in the dom/base/ directory. r=jwalden
---
 dom/base/Crypto.cpp                     |  3 +-
 dom/base/DOMRequest.cpp                 | 12 +++---
 dom/base/DOMRequest.h                   |  4 +-
 dom/base/Navigator.cpp                  | 10 ++---
 dom/base/nsDOMJSUtils.h                 |  6 +--
 dom/base/nsDOMWindowUtils.cpp           | 20 ++++-----
 dom/base/nsGlobalWindow.cpp             | 24 +++++------
 dom/base/nsIJSNativeInitializer.h       |  4 +-
 dom/base/nsJSEnvironment.cpp            | 73 +++++++++++++++++----------------
 dom/base/nsJSEnvironment.h              |  8 ++--
 dom/base/nsJSTimeoutHandler.cpp         |  4 +-
 dom/base/nsJSUtils.h                    |  2 +-
 dom/base/nsStructuredCloneContainer.cpp | 10 ++---
 13 files changed, 91 insertions(+), 89 deletions(-)

--HG--
extra : rebase_source : af1420550a745aba9fd6c20297ac3cd0075f5ead
2013-04-11 18:52:10 -04:00

62 lines
2.0 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsDOMJSUtils_h__
#define nsDOMJSUtils_h__
#include "jsapi.h"
#include "nsIScriptContext.h"
class nsIJSArgArray;
// seems like overkill for just this 1 function - but let's see what else
// falls out first.
inline nsIScriptContext *
GetScriptContextFromJSContext(JSContext *cx)
{
if (!(::JS_GetOptions(cx) & JSOPTION_PRIVATE_IS_NSISUPPORTS)) {
return nullptr;
}
nsCOMPtr<nsIScriptContext> scx =
do_QueryInterface(static_cast<nsISupports *>
(::JS_GetContextPrivate(cx)));
// This will return a pointer to something that's about to be
// released, but that's ok here.
return scx;
}
inline nsIScriptContextPrincipal*
GetScriptContextPrincipalFromJSContext(JSContext *cx)
{
if (!(::JS_GetOptions(cx) & JSOPTION_PRIVATE_IS_NSISUPPORTS)) {
return nullptr;
}
nsCOMPtr<nsIScriptContextPrincipal> scx =
do_QueryInterface(static_cast<nsISupports *>
(::JS_GetContextPrivate(cx)));
// This will return a pointer to something that's about to be
// released, but that's ok here.
return scx;
}
// A factory function for turning a JS::Value argv into an nsIArray
// but also supports an effecient way of extracting the original argv.
// Bug 312003 describes why this must be "void *", but argv will be cast to
// JS::Value* and the args are found at:
// ((JS::Value*)aArgv)[0], ..., ((JS::Value*)aArgv)[aArgc - 1]
// The resulting object will take a copy of the array, and ensure each
// element is rooted.
// Optionally, aArgv may be NULL, in which case the array is allocated and
// rooted, but all items remain NULL. This presumably means the caller will
// then QI us for nsIJSArgArray, and set our array elements.
nsresult NS_CreateJSArgv(JSContext *aContext, uint32_t aArgc, void *aArgv,
nsIJSArgArray **aArray);
#endif // nsDOMJSUtils_h__