src/apps/app_keep_alive_service.cc

   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
  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
  22 AppKeepAliveService::~AppKeepAliveService() {}
  23
  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
  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
  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
  49 void AppKeepAliveService::OnAppActivated(Profile* profile,
  50                                          const std::string& app_id) {}
  51
  52 void AppKeepAliveService::OnAppDeactivated(Profile* profile,
  53                                            const std::string& app_id) {}
  54
  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