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 "chrome/browser/ui/ash/ash_util.h"
  12 #include "chrome/browser/ui/aura/active_desktop_monitor.h"
  13 #include "chrome/browser/ui/browser.h"
  14 #include "chrome/browser/ui/browser_list.h"
  15
  16 #if defined(USE_ASH)
  17 #include "ash/shell.h"
  18 #endif
  19
  20 namespace chrome {
  21
  22 HostDesktopType GetHostDesktopTypeForNativeView(gfx::NativeView native_view) {
  23 #if defined(USE_ASH)
  24   // TODO(ananta)
  25   // Once we've threaded creation context to wherever needed, we should remove
  26   // this check here.
  27 #if defined(OS_WIN)
  28   if (!native_view)
  29     return GetActiveDesktop();
  30 #endif
  31   return IsNativeViewInAsh(native_view) ?
  32       HOST_DESKTOP_TYPE_ASH :
  33       HOST_DESKTOP_TYPE_NATIVE;
  34 #else
  35   return HOST_DESKTOP_TYPE_NATIVE;
  36 #endif
  37 }
  38
  39 HostDesktopType GetHostDesktopTypeForNativeWindow(
  40     gfx::NativeWindow native_window) {
  41 #if defined(USE_ASH)
  42   // TODO(ananta)
  43   // Once we've threaded creation context to wherever needed, we should remove
  44   // this check here.
  45 #if defined(OS_WIN)
  46   if (!native_window)
  47     return GetActiveDesktop();
  48 #endif
  49   return IsNativeWindowInAsh(native_window) ?
  50       HOST_DESKTOP_TYPE_ASH :
  51       HOST_DESKTOP_TYPE_NATIVE;
  52 #else
  53   return HOST_DESKTOP_TYPE_NATIVE;
  54 #endif
  55 }
  56
  57 HostDesktopType GetActiveDesktop() {
  58 #if defined(USE_ASH) && !defined(OS_CHROMEOS)
  59   // The Ash desktop is considered active if a non-desktop RootWindow was last
  60   // activated and the Ash desktop is still open.  As it is, the Ash desktop
  61   // will be considered the last active if a user switches from metro Chrome to
  62   // the Windows desktop but doesn't activate any Chrome windows there (e.g.,
  63   // by clicking on one or otherwise giving one focus).  Consider finding a way
  64   // to detect that the Windows desktop has been activated so that the native
  65   // desktop can be considered active once the user switches to it if its
  66   // BrowserList isn't empty.
  67   if ((ActiveDesktopMonitor::GetLastActivatedDesktopType() ==
  68        chrome::HOST_DESKTOP_TYPE_ASH) &&
  69       ash::Shell::HasInstance()) {
  70     return HOST_DESKTOP_TYPE_ASH;
  71   }
  72 #endif
  73   return HOST_DESKTOP_TYPE_NATIVE;
  74 }
  75
  76 }  // namespace chrome