mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
114 lines
2.6 KiB
C++
114 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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