| // 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 |