mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-28 08:16:09 +03:00
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "base/metrics/user_metrics.h"
|
|
|
|
#include <stddef.h>
|
|
|
|
#include <vector>
|
|
|
|
#include "base/bind.h"
|
|
#include "base/lazy_instance.h"
|
|
#include "base/location.h"
|
|
#include "base/macros.h"
|
|
#include "base/threading/thread_checker.h"
|
|
|
|
namespace base {
|
|
namespace {
|
|
|
|
LazyInstance<std::vector<ActionCallback>>::DestructorAtExit g_callbacks =
|
|
LAZY_INSTANCE_INITIALIZER;
|
|
LazyInstance<scoped_refptr<SingleThreadTaskRunner>>::DestructorAtExit
|
|
g_task_runner = LAZY_INSTANCE_INITIALIZER;
|
|
|
|
} // namespace
|
|
|
|
void RecordAction(const UserMetricsAction& action) {
|
|
RecordComputedAction(action.str_);
|
|
}
|
|
|
|
void RecordComputedAction(const std::string& action) {
|
|
if (!g_task_runner.Get()) {
|
|
DCHECK(g_callbacks.Get().empty());
|
|
return;
|
|
}
|
|
|
|
if (!g_task_runner.Get()->BelongsToCurrentThread()) {
|
|
g_task_runner.Get()->PostTask(FROM_HERE,
|
|
BindOnce(&RecordComputedAction, action));
|
|
return;
|
|
}
|
|
|
|
for (const ActionCallback& callback : g_callbacks.Get()) {
|
|
callback.Run(action);
|
|
}
|
|
}
|
|
|
|
void AddActionCallback(const ActionCallback& callback) {
|
|
// Only allow adding a callback if the task runner is set.
|
|
DCHECK(g_task_runner.Get());
|
|
DCHECK(g_task_runner.Get()->BelongsToCurrentThread());
|
|
g_callbacks.Get().push_back(callback);
|
|
}
|
|
|
|
void RemoveActionCallback(const ActionCallback& callback) {
|
|
DCHECK(g_task_runner.Get());
|
|
DCHECK(g_task_runner.Get()->BelongsToCurrentThread());
|
|
std::vector<ActionCallback>* callbacks = g_callbacks.Pointer();
|
|
for (size_t i = 0; i < callbacks->size(); ++i) {
|
|
if ((*callbacks)[i].Equals(callback)) {
|
|
callbacks->erase(callbacks->begin() + i);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void SetRecordActionTaskRunner(
|
|
scoped_refptr<SingleThreadTaskRunner> task_runner) {
|
|
DCHECK(task_runner->BelongsToCurrentThread());
|
|
DCHECK(!g_task_runner.Get() || g_task_runner.Get()->BelongsToCurrentThread());
|
|
g_task_runner.Get() = task_runner;
|
|
}
|
|
|
|
} // namespace base
|