/* 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