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// Copyright (c) 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 "ui/aura/desktop/desktop_screen_win.h"
#include "base/logging.h"
#include "ui/aura/desktop/desktop_screen.h"
#include "ui/aura/root_window.h"
#include "ui/aura/root_window_host.h"
#include "ui/gfx/display.h"
namespace {
MONITORINFO GetMonitorInfoForMonitor(HMONITOR monitor) {
MONITORINFO monitor_info = { 0 };
monitor_info.cbSize = sizeof(monitor_info);
GetMonitorInfo(monitor, &monitor_info);
return monitor_info;
}
gfx::Display GetDisplay(MONITORINFO& monitor_info) {
// TODO(oshima): Implement ID and Observer.
gfx::Display display(0, gfx::Rect(monitor_info.rcMonitor));
display.set_work_area(gfx::Rect(monitor_info.rcWork));
return display;
}
} // namespace
namespace aura {
////////////////////////////////////////////////////////////////////////////////
// DesktopScreenWin, public:
DesktopScreenWin::DesktopScreenWin() {
}
DesktopScreenWin::~DesktopScreenWin() {
}
////////////////////////////////////////////////////////////////////////////////
// DesktopScreenWin, gfx::ScreenImpl implementation:
gfx::Point DesktopScreenWin::GetCursorScreenPoint() {
POINT pt;
GetCursorPos(&pt);
return gfx::Point(pt);
}
gfx::NativeWindow DesktopScreenWin::GetWindowAtCursorScreenPoint() {
POINT location;
gfx::AcceleratedWidget accelerated_widget =
GetCursorPos(&location) ? WindowFromPoint(location) : NULL;
RootWindowHost* host = NULL;
if (::IsWindow(accelerated_widget))
host = RootWindowHost::GetForAcceleratedWidget(accelerated_widget);
return host ? host->GetRootWindow() : NULL;
}
int DesktopScreenWin::GetNumMonitors() {
return GetSystemMetrics(SM_CMONITORS);
}
gfx::Display DesktopScreenWin::GetMonitorNearestWindow(
gfx::NativeView window) const {
gfx::AcceleratedWidget accelerated_window =
window->GetRootWindow()->GetAcceleratedWidget();
MONITORINFO monitor_info;
monitor_info.cbSize = sizeof(monitor_info);
GetMonitorInfo(MonitorFromWindow(accelerated_window,
MONITOR_DEFAULTTONEAREST),
&monitor_info);
return GetDisplay(monitor_info);
}
gfx::Display DesktopScreenWin::GetMonitorNearestPoint(
const gfx::Point& point) const {
POINT initial_loc = { point.x(), point.y() };
HMONITOR monitor = MonitorFromPoint(initial_loc, MONITOR_DEFAULTTONEAREST);
MONITORINFO mi = {0};
mi.cbSize = sizeof(mi);
if (monitor && GetMonitorInfo(monitor, &mi))
return GetDisplay(mi);
return gfx::Display();
}
gfx::Display DesktopScreenWin::GetPrimaryMonitor() const {
MONITORINFO mi = GetMonitorInfoForMonitor(
MonitorFromWindow(NULL, MONITOR_DEFAULTTOPRIMARY));
gfx::Display display = GetDisplay(mi);
DCHECK_EQ(GetSystemMetrics(SM_CXSCREEN), display.size().width());
DCHECK_EQ(GetSystemMetrics(SM_CYSCREEN), display.size().height());
return display;
}
////////////////////////////////////////////////////////////////////////////////
gfx::ScreenImpl* CreateDesktopScreen() {
return new DesktopScreenWin;
}
} // namespace aura
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