зеркало из https://github.com/mozilla/gecko-dev.git
147 строки
4.1 KiB
C++
147 строки
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
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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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* The Mozilla Foundation <http://www.mozilla.org/>.
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* Portions created by the Initial Developer are Copyright (C) 2009-2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Dave Camp <dcamp@mozilla.com>
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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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#include "nsJSInspector.h"
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#include "nsIXPConnect.h"
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#include "nsIJSContextStack.h"
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#include "nsThreadUtils.h"
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#include "jsapi.h"
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#include "jsgc.h"
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#include "jsfriendapi.h"
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#include "jsdbgapi.h"
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#include "mozilla/ModuleUtils.h"
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#include "nsServiceManagerUtils.h"
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#include "nsMemory.h"
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#define JSINSPECTOR_CONTRACTID \
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"@mozilla.org/jsinspector;1"
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#define JSINSPECTOR_CID \
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{ 0xec5aa99c, 0x7abb, 0x4142, { 0xac, 0x5f, 0xaa, 0xb2, 0x41, 0x9e, 0x38, 0xe2 } }
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namespace mozilla {
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namespace jsinspector {
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsJSInspector)
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NS_IMPL_ISUPPORTS1(nsJSInspector, nsIJSInspector)
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nsJSInspector::nsJSInspector() : mNestedLoopLevel(0)
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{
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}
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nsJSInspector::~nsJSInspector()
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{
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}
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NS_IMETHODIMP
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nsJSInspector::EnterNestedEventLoop(PRUint32 *out)
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{
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nsresult rv;
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nsCOMPtr<nsIJSContextStack> stack =
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do_GetService("@mozilla.org/js/xpc/ContextStack;1", &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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PRUint32 nestLevel = ++mNestedLoopLevel;
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if (NS_SUCCEEDED(stack->Push(nsnull))) {
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while (NS_SUCCEEDED(rv) && mNestedLoopLevel >= nestLevel) {
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if (!NS_ProcessNextEvent())
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rv = NS_ERROR_UNEXPECTED;
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}
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JSContext *cx;
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stack->Pop(&cx);
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NS_ASSERTION(cx == nsnull, "JSContextStack mismatch");
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} else {
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rv = NS_ERROR_FAILURE;
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}
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NS_ASSERTION(mNestedLoopLevel <= nestLevel,
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"nested event didn't unwind properly");
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if (mNestedLoopLevel == nestLevel)
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--mNestedLoopLevel;
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*out = mNestedLoopLevel;
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return rv;
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}
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NS_IMETHODIMP
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nsJSInspector::ExitNestedEventLoop(PRUint32 *out)
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{
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if (mNestedLoopLevel > 0) {
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--mNestedLoopLevel;
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} else {
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return NS_ERROR_FAILURE;
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}
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*out = mNestedLoopLevel;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSInspector::GetEventLoopNestLevel(PRUint32 *out)
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{
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*out = mNestedLoopLevel;
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return NS_OK;
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}
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}
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}
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NS_DEFINE_NAMED_CID(JSINSPECTOR_CID);
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static const mozilla::Module::CIDEntry kJSInspectorCIDs[] = {
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{ &kJSINSPECTOR_CID, false, NULL, mozilla::jsinspector::nsJSInspectorConstructor },
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{ NULL }
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};
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static const mozilla::Module::ContractIDEntry kJSInspectorContracts[] = {
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{ JSINSPECTOR_CONTRACTID, &kJSINSPECTOR_CID },
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{ NULL }
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};
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static const mozilla::Module kJSInspectorModule = {
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mozilla::Module::kVersion,
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kJSInspectorCIDs,
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kJSInspectorContracts
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};
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NSMODULE_DEFN(jsinspector) = &kJSInspectorModule;
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