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