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// Copyright (c) 2011 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 "content/public/browser/user_metrics.h"
#include <vector>
#include "base/bind.h"
#include "base/lazy_instance.h"
#include "content/public/browser/browser_thread.h"
namespace content {
namespace {
base::LazyInstance<std::vector<ActionCallback> > g_action_callbacks =
LAZY_INSTANCE_INITIALIZER;
// Forward declare because of circular dependency.
void CallRecordOnUI(const std::string& action);
void Record(const char *action) {
if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
BrowserThread::PostTask(
BrowserThread::UI,
FROM_HERE,
base::Bind(&CallRecordOnUI, action));
return;
}
for (size_t i = 0; i < g_action_callbacks.Get().size(); i++)
g_action_callbacks.Get()[i].Run(action);
}
void CallRecordOnUI(const std::string& action) {
Record(action.c_str());
}
} // namespace
void RecordAction(const UserMetricsAction& action) {
Record(action.str_);
}
void RecordComputedAction(const std::string& action) {
Record(action.c_str());
}
void AddActionCallback(const ActionCallback& callback) {
g_action_callbacks.Get().push_back(callback);
}
void RemoveActionCallback(const ActionCallback& callback) {
for (size_t i = 0; i < g_action_callbacks.Get().size(); i++) {
if (g_action_callbacks.Get()[i].Equals(callback)) {
g_action_callbacks.Get().erase(g_action_callbacks.Get().begin() + i);
return;
}
}
}
} // namespace content
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