chrome/browser/ui/views/auto_keep_alive.cc

   1 // Copyright 2014 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 "chrome/browser/ui/views/auto_keep_alive.h"
   6
   7 #include "chrome/browser/lifetime/application_lifetime.h"
   8 #include "chrome/browser/ui/host_desktop.h"
   9
  10 AutoKeepAlive::AutoKeepAlive(gfx::NativeWindow window)
  11     : keep_alive_available_(false) {
  12   // In case of aura we want default to be keep alive not available for ash
  13   // because ash has keep alive set and we don't want additional keep alive
  14   // count.
  15   chrome::HostDesktopType desktop_type =
  16       window ? chrome::GetHostDesktopTypeForNativeWindow(window)
  17              : chrome::GetActiveDesktop();
  18   if (desktop_type != chrome::HOST_DESKTOP_TYPE_ASH) {
  19     keep_alive_available_ = true;
  20     chrome::IncrementKeepAliveCount();
  21   }
  22 }
  23
  24 AutoKeepAlive::~AutoKeepAlive() {
  25   if (keep_alive_available_)
  26     chrome::DecrementKeepAliveCount();
  27 }