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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 "content/browser/renderer_host/gtk_window_utils.h"
#include <vector>
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#include "ui/base/gtk/gtk_compat.h"
#include "ui/base/x/x11_util.h"
#include "ui/gfx/rect.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebScreenInfo.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/x11/WebScreenInfoFactory.h"
namespace content {
namespace {
// Returns the region of |window|'s desktop that isn't occupied by docks or
// panels. Returns an empty rect on failure.
gfx::Rect GetWorkArea(Window window) {
Window root = ui::GetX11RootWindow();
int desktop = -1;
if (!ui::GetIntProperty(window, "_NET_WM_DESKTOP", &desktop)) {
// Hack for ion3: _NET_WM_DESKTOP doesn't get set on individual windows, but
// _NET_CURRENT_DESKTOP and _NET_WORKAREA do get set.
ui::GetIntProperty(root, "_NET_CURRENT_DESKTOP", &desktop);
}
if (desktop < 0)
return gfx::Rect();
std::vector<int> property;
if (!ui::GetIntArrayProperty(root, "_NET_WORKAREA", &property))
return gfx::Rect();
size_t start_index = 4 * desktop;
if (property.size() < start_index + 4)
return gfx::Rect();
return gfx::Rect(property[start_index], property[start_index + 1],
property[start_index + 2], property[start_index + 3]);
}
} // namespace
void GetScreenInfoFromNativeWindow(
GdkWindow* gdk_window, WebKit::WebScreenInfo* results) {
GdkScreen* screen = gdk_window_get_screen(gdk_window);
*results = WebKit::WebScreenInfoFactory::screenInfo(
gdk_x11_drawable_get_xdisplay(gdk_window),
gdk_x11_screen_get_screen_number(screen));
// TODO(tony): We should move this code into WebScreenInfoFactory.
int monitor_number = gdk_screen_get_monitor_at_window(screen, gdk_window);
GdkRectangle monitor_rect;
gdk_screen_get_monitor_geometry(screen, monitor_number, &monitor_rect);
results->rect = WebKit::WebRect(monitor_rect.x, monitor_rect.y,
monitor_rect.width, monitor_rect.height);
gfx::Rect available_rect = results->rect;
gfx::Rect work_area = GetWorkArea(GDK_WINDOW_XID(gdk_window));
if (!work_area.IsEmpty())
available_rect.Intersect(work_area);
results->availableRect = available_rect;
}
} // namespace content
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