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// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/host_desktop.h"
#if defined(OS_WIN)
#include <windows.h>
#endif
#include "ash/shell.h"
#include "chrome/browser/ui/ash/ash_util.h"
#include "chrome/browser/ui/aura/active_desktop_monitor.h"
#include "chrome/browser/ui/browser_list_impl.h"
namespace chrome {
namespace {
bool g_force_ = false;
HostDesktopType g_force_type_ = HOST_DESKTOP_TYPE_COUNT;
} // namespace
ScopedForceDesktopType::ScopedForceDesktopType(HostDesktopType type)
: previous_type_(g_force_type_),
previous_force_(g_force_) {
g_force_type_ = type;
g_force_ = true;
}
ScopedForceDesktopType::~ScopedForceDesktopType() {
g_force_type_ = previous_type_;
g_force_ = previous_force_;
}
HostDesktopType GetHostDesktopTypeForNativeView(gfx::NativeView native_view) {
if (g_force_)
return g_force_type_;
#if defined(USE_ASH)
return IsNativeViewInAsh(native_view) ?
HOST_DESKTOP_TYPE_ASH :
HOST_DESKTOP_TYPE_NATIVE;
#else
return HOST_DESKTOP_TYPE_NATIVE;
#endif
}
HostDesktopType GetHostDesktopTypeForNativeWindow(
gfx::NativeWindow native_window) {
if (g_force_)
return g_force_type_;
#if defined(USE_ASH)
return IsNativeWindowInAsh(native_window) ?
HOST_DESKTOP_TYPE_ASH :
HOST_DESKTOP_TYPE_NATIVE;
#else
return HOST_DESKTOP_TYPE_NATIVE;
#endif
}
HostDesktopType GetHostDesktopTypeForBrowser(const Browser* browser) {
if (g_force_)
return g_force_type_;
for (HostDesktopType type = HOST_DESKTOP_TYPE_FIRST;
type < HOST_DESKTOP_TYPE_COUNT;
type = static_cast<HostDesktopType>(type + 1)) {
BrowserListImpl::const_iterator begin =
BrowserListImpl::GetInstance(type)->begin();
BrowserListImpl::const_iterator end =
BrowserListImpl::GetInstance(type)->end();
if (std::find(begin, end, browser) != end)
return type;
}
return HOST_DESKTOP_TYPE_NATIVE;
}
HostDesktopType GetActiveDesktop() {
#if defined(USE_ASH) && !defined(OS_CHROMEOS)
// The Ash desktop is considered active if a non-desktop RootWindow was last
// activated and the Ash desktop is still open. As it is, the Ash desktop
// will be considered the last active if a user switches from metro Chrome to
// the Windows desktop but doesn't activate any Chrome windows there (e.g.,
// by clicking on one or otherwise giving one focus). Consider finding a way
// to detect that the Windows desktop has been activated so that the native
// desktop can be considered active once the user switches to it if its
// BrowserList isn't empty.
if ((ActiveDesktopMonitor::GetLastActivatedDesktopType() ==
chrome::HOST_DESKTOP_TYPE_ASH) &&
ash::Shell::HasInstance()) {
return HOST_DESKTOP_TYPE_ASH;
}
#endif
return HOST_DESKTOP_TYPE_NATIVE;
}
} // namespace chrome
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