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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/extensions/event_router_forwarder.h"
#include <stddef.h>
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "base/values.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/event_router.h"
#include "url/gurl.h"
using content::BrowserThread;
namespace extensions {
EventRouterForwarder::EventRouterForwarder() = default;
EventRouterForwarder::~EventRouterForwarder() = default;
void EventRouterForwarder::BroadcastEventToRenderers(
events::HistogramValue histogram_value,
const std::string& event_name,
base::Value::List event_args,
bool dispatch_to_off_the_record_profiles) {
if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
content::GetUIThreadTaskRunner({})->PostTask(
FROM_HERE,
base::BindOnce(&EventRouterForwarder::BroadcastEventToRenderers, this,
histogram_value, event_name, std::move(event_args),
dispatch_to_off_the_record_profiles));
return;
}
if (!g_browser_process || !g_browser_process->profile_manager())
return;
ProfileManager* profile_manager = g_browser_process->profile_manager();
std::set<Profile*> profiles_to_dispatch_to;
std::vector<Profile*> on_the_record_profiles =
profile_manager->GetLoadedProfiles();
profiles_to_dispatch_to.insert(on_the_record_profiles.begin(),
on_the_record_profiles.end());
if (dispatch_to_off_the_record_profiles) {
for (Profile* profile_to_dispatch_to : profiles_to_dispatch_to) {
if (profile_to_dispatch_to->HasPrimaryOTRProfile())
profiles_to_dispatch_to.insert(
profile_to_dispatch_to->GetPrimaryOTRProfile(
/*create_if_needed=*/true));
}
}
// There should always be at least one profile when running as Chromium.
// However, some Chromium embedders are known to run without profiles, in
// which case there's nothing to dispatch to.
if (profiles_to_dispatch_to.size() == 0u)
return;
for (Profile* profile_to_dispatch_to : profiles_to_dispatch_to) {
CallEventRouter(
profile_to_dispatch_to, histogram_value, event_name,
profile_to_dispatch_to != *std::prev(profiles_to_dispatch_to.end())
? event_args.Clone()
: std::move(event_args));
}
}
void EventRouterForwarder::CallEventRouter(
Profile* profile,
events::HistogramValue histogram_value,
const std::string& event_name,
base::Value::List event_args) {
auto* event_router = extensions::EventRouter::Get(profile);
// Extension does not exist for chromeos login. This needs to be
// removed once we have an extension service for login screen.
// crosbug.com/12856.
//
// Extensions are not available on System Profile.
if (!event_router)
return;
auto event = std::make_unique<Event>(histogram_value, event_name,
std::move(event_args), profile);
event_router->BroadcastEvent(std::move(event));
}
} // namespace extensions
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