chrome/browser/ui/host_desktop.cc

   1 // Copyright 2012 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/host_desktop.h"
   6
   7 #if defined(OS_WIN)
   8 #include <windows.h>
   9 #endif
  10
  11 #include "ash/shell.h"
  12 #include "chrome/browser/ui/ash/ash_util.h"
  13 #include "chrome/browser/ui/aura/active_desktop_monitor.h"
  14 #include "chrome/browser/ui/browser.h"
  15 #include "chrome/browser/ui/browser_list.h"
  16
  17 namespace chrome {
  18
  19 HostDesktopType GetHostDesktopTypeForNativeView(gfx::NativeView native_view) {
  20 #if defined(USE_ASH)
  21   // TODO(ananta)
  22   // Once we've threaded creation context to wherever needed, we should remove
  23   // this check here.
  24 #if defined(OS_WIN)
  25   if (!native_view)
  26     return GetActiveDesktop();
  27 #endif
  28   return IsNativeViewInAsh(native_view) ?
  29       HOST_DESKTOP_TYPE_ASH :
  30       HOST_DESKTOP_TYPE_NATIVE;
  31 #else
  32   return HOST_DESKTOP_TYPE_NATIVE;
  33 #endif
  34 }
  35
  36 HostDesktopType GetHostDesktopTypeForNativeWindow(
  37     gfx::NativeWindow native_window) {
  38 #if defined(USE_ASH)
  39   // TODO(ananta)
  40   // Once we've threaded creation context to wherever needed, we should remove
  41   // this check here.
  42 #if defined(OS_WIN)
  43   if (!native_window)
  44     return GetActiveDesktop();
  45 #endif
  46   return IsNativeWindowInAsh(native_window) ?
  47       HOST_DESKTOP_TYPE_ASH :
  48       HOST_DESKTOP_TYPE_NATIVE;
  49 #else
  50   return HOST_DESKTOP_TYPE_NATIVE;
  51 #endif
  52 }
  53
  54 HostDesktopType GetActiveDesktop() {
  55 #if defined(USE_ASH) && !defined(OS_CHROMEOS)
  56   // The Ash desktop is considered active if a non-desktop RootWindow was last
  57   // activated and the Ash desktop is still open.  As it is, the Ash desktop
  58   // will be considered the last active if a user switches from metro Chrome to
  59   // the Windows desktop but doesn't activate any Chrome windows there (e.g.,
  60   // by clicking on one or otherwise giving one focus).  Consider finding a way
  61   // to detect that the Windows desktop has been activated so that the native
  62   // desktop can be considered active once the user switches to it if its
  63   // BrowserList isn't empty.
  64   if ((ActiveDesktopMonitor::GetLastActivatedDesktopType() ==
  65        chrome::HOST_DESKTOP_TYPE_ASH) &&
  66       ash::Shell::HasInstance()) {
  67     return HOST_DESKTOP_TYPE_ASH;
  68   }
  69 #endif
  70   return HOST_DESKTOP_TYPE_NATIVE;
  71 }
  72
  73 }  // namespace chrome