Work on USE_ASH/USE_AURA split.

ui/gfx/screen_aurax11.cc

+// 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/gfx/screen.h"
+
+#include <X11/Xlib.h>
+
+#include "base/logging.h"
+#include "ui/base/x/x11_util.h"
+
+#if !defined(USE_ASH)
+
+namespace gfx {
+
+// TODO(piman,erg): This file needs to be rewritten by someone who understands
+// the subtlety of X11. That is not erg.
+
+gfx::Point Screen::GetCursorScreenPoint() {
+  Display* display = ui::GetXDisplay();
+
+  // Unsure if I can leave these as NULL.
+  ::Window root, child;
+  int root_x, root_y, win_x, win_y;
+  unsigned int mask;
+  XQueryPointer(display,
+                DefaultRootWindow(display),
+                &root,
+                &child,
+                &root_x,
+                &root_y,
+                &win_x,
+                &win_y,
+                &mask);
+
+  return gfx::Point(root_x, root_y);
+}
+
+gfx::Rect Screen::GetMonitorWorkAreaNearestWindow(
+      gfx::NativeView view) {
+  // TODO(erg): There was a comment about how we shouldn't use _NET_WORKAREA
+  // here by danakj@.
+  return GetMonitorAreaNearestWindow(view);
+}
+
+gfx::Rect Screen::GetMonitorAreaNearestWindow(gfx::NativeView view) {
+  // TODO(erg): Yet another stub.
+  return GetPrimaryMonitorBounds();
+}
+
+// static
+gfx::Rect Screen::GetMonitorWorkAreaNearestPoint(const gfx::Point& point) {
+  // TODO(jamiewalch): Restrict this to the work area of the monitor.
+  return GetMonitorAreaNearestPoint(point);
+}
+
+// static
+gfx::Rect Screen::GetMonitorAreaNearestPoint(const gfx::Point& point) {
+  // TODO(erg): gdk actually has a description for this! We can implement this
+  // one.
+  return GetPrimaryMonitorBounds();
+}
+
+gfx::Rect Screen::GetPrimaryMonitorWorkArea() {
+  // TODO(erg): Also needs a real implementation.
+  return gfx::Rect(gfx::Point(0, 0), GetPrimaryMonitorSize());
+}
+
+gfx::Rect Screen::GetPrimaryMonitorBounds() {
+  // TODO(erg): Probably needs to be smarter?
+  return gfx::Rect(gfx::Point(0, 0), GetPrimaryMonitorSize());
+}
+
+gfx::Rect Screen::GetMonitorWorkAreaMatching(const gfx::Rect& match_rect) {
+  // TODO(erg): We need to eventually support multiple monitors.
+  return GetPrimaryMonitorWorkArea();
+}
+
+gfx::NativeWindow Screen::GetWindowAtCursorScreenPoint() {
+  // TODO(erg): I have no clue. May need collaboration with
+  // RootWindowHostLinux?
+  return NULL;
+}
+
+gfx::Size Screen::GetPrimaryMonitorSize() {
+  ::Display* display = ui::GetXDisplay();
+  ::Screen* screen = DefaultScreenOfDisplay(display);
+  int width = WidthOfScreen(screen);
+  int height = HeightOfScreen(screen);
+
+  return gfx::Size(width, height);
+}
+
+int Screen::GetNumMonitors() {
+  // TODO(erg): Figure this out with oshima or piman because I have no clue
+  // about the Xinerama implications here.
+  return 1;
+}
+
+}  // namespace gfx
+
+#endif  // !defined(USE_ASH)