1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "apps/app_keep_alive_service.h"
6
7 #include "apps/app_lifetime_monitor.h"
8 #include "apps/app_lifetime_monitor_factory.h"
9 #include "base/message_loop/message_loop.h"
10 #include "chrome/browser/lifetime/application_lifetime.h"
11 #include "chrome/browser/profiles/profile.h"
12
13 namespace apps {
14
AppKeepAliveService(content::BrowserContext * context)15 AppKeepAliveService::AppKeepAliveService(content::BrowserContext* context)
16 : context_(context), shut_down_(false) {
17 AppLifetimeMonitor* app_lifetime_monitor =
18 AppLifetimeMonitorFactory::GetForProfile(static_cast<Profile*>(context));
19 app_lifetime_monitor->AddObserver(this);
20 }
21
~AppKeepAliveService()22 AppKeepAliveService::~AppKeepAliveService() {}
23
Shutdown()24 void AppKeepAliveService::Shutdown() {
25 AppLifetimeMonitor* app_lifetime_monitor =
26 AppLifetimeMonitorFactory::GetForProfile(static_cast<Profile*>(context_));
27 app_lifetime_monitor->RemoveObserver(this);
28 OnChromeTerminating();
29 }
30
OnAppStart(Profile * profile,const std::string & app_id)31 void AppKeepAliveService::OnAppStart(Profile* profile,
32 const std::string& app_id) {
33 if (profile != context_ || shut_down_)
34 return;
35
36 if (running_apps_.insert(app_id).second)
37 chrome::StartKeepAlive();
38 }
39
OnAppStop(Profile * profile,const std::string & app_id)40 void AppKeepAliveService::OnAppStop(Profile* profile,
41 const std::string& app_id) {
42 if (profile != context_)
43 return;
44
45 if (running_apps_.erase(app_id))
46 chrome::EndKeepAlive();
47 }
48
OnAppActivated(Profile * profile,const std::string & app_id)49 void AppKeepAliveService::OnAppActivated(Profile* profile,
50 const std::string& app_id) {}
51
OnAppDeactivated(Profile * profile,const std::string & app_id)52 void AppKeepAliveService::OnAppDeactivated(Profile* profile,
53 const std::string& app_id) {}
54
OnChromeTerminating()55 void AppKeepAliveService::OnChromeTerminating() {
56 shut_down_ = true;
57 size_t keep_alives = running_apps_.size();
58 running_apps_.clear();
59
60 // In some tests, the message loop isn't running during shutdown and ending
61 // the last keep alive in that case CHECKs.
62 if (!base::MessageLoop::current() ||
63 base::MessageLoop::current()->is_running()) {
64 while (keep_alives--)
65 chrome::EndKeepAlive();
66 }
67 }
68
69 } // namespace apps
70