62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/* 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 https://mozilla.org/MPL/2.0/. */
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#ifndef SANDBOX_PROFILER_STARTUP_H
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#define SANDBOX_PROFILER_STARTUP_H
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#include "mozilla/Services.h"
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#include "nsCOMPtr.h"
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#include "nsIObserver.h"
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#include "nsIObserverService.h"
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#include "nsISupportsImpl.h"
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/*
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* This code is here to help bring up SandboxProfiler whenever the profiler
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* is started by the user. We cannot have that code live within
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* SandboxProfiler.cpp itself because we rely on libxul facilities, while the
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* sandbox code lives within libmozsandbox.
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*/
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namespace {
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class ProfilerStartupObserverForSandboxProfiler final : public nsIObserver {
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~ProfilerStartupObserverForSandboxProfiler() = default;
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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};
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NS_IMPL_ISUPPORTS(ProfilerStartupObserverForSandboxProfiler, nsIObserver)
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NS_IMETHODIMP ProfilerStartupObserverForSandboxProfiler::Observe(
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nsISupports* aSubject, const char* aTopic, const char16_t* aData) {
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if (strcmp(aTopic, "profiler-started") == 0) {
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mozilla::CreateSandboxProfiler();
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return NS_OK;
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}
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if (strcmp(aTopic, "profiler-stopped") == 0) {
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mozilla::DestroySandboxProfiler();
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return NS_OK;
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}
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return NS_OK;
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}
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} // anonymous namespace
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inline void RegisterProfilerObserversForSandboxProfiler() {
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nsCOMPtr<nsIObserverService> obsServ(mozilla::services::GetObserverService());
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MOZ_ASSERT(!!obsServ);
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if (!obsServ) {
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return;
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}
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nsCOMPtr<nsIObserver> obs(new ProfilerStartupObserverForSandboxProfiler());
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obsServ->AddObserver(obs, "profiler-started", false);
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obsServ->AddObserver(obs, "profiler-stopped", false);
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}
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#endif // SANDBOX_PROFILER_STARTUP_H
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