Refactor screen/monitor so that gfx::Screen returns monitor object.

ui/gfx/screen_gtk.cc

Index: ui/gfx/screen_gtk.cc
diff --git a/ui/gfx/screen_gtk.cc b/ui/gfx/screen_gtk.cc
index 1607cc8ea8f1ce2db4ff3e18883ccb5b9872ff70..1ae82618d551379e00c220f7bccf9efa168e1014 100644
--- a/ui/gfx/screen_gtk.cc
+++ b/ui/gfx/screen_gtk.cc
@@ -8,6 +8,7 @@
 #include <gtk/gtk.h>
 
 #include "base/logging.h"
+#include "ui/gfx/monitor.h"
 
 namespace {
 
@@ -46,33 +47,14 @@ bool GetScreenWorkArea(gfx::Rect* out_rect) {
   return true;
 }
 
-}  // namespace
-
-namespace gfx {
-
-// static
-gfx::Point Screen::GetCursorScreenPoint() {
-  gint x, y;
-  gdk_display_get_pointer(gdk_display_get_default(), NULL, &x, &y, NULL);
-  return gfx::Point(x, y);
-}
-
-// static
-gfx::Rect Screen::GetMonitorWorkAreaNearestWindow(gfx::NativeView view) {
-  // Do not use the _NET_WORKAREA here, this is supposed to be an area on a
-  // specific monitor, and _NET_WORKAREA is a hint from the WM that generally
-  // spans across all monitors.  This would make the work area larger than the
-  // monitor.
-  // TODO(danakj) This is a work-around as there is no standard way to get this
-  // area, but it is a rect that we should be computing.  The standard means
-  // to compute this rect would be to watch all windows with
-  // _NET_WM_STRUT(_PARTIAL) hints, and subtract their space from the physical
-  // area of the monitor to construct a work area.
-  return GetMonitorAreaNearestWindow(view);
+gfx::Rect NativePrimaryMonitorBounds() {
+  GdkScreen* screen = gdk_screen_get_default();
+  GdkRectangle rect;
+  gdk_screen_get_monitor_geometry(screen, 0, &rect);
+  return gfx::Rect(rect);
 }
 
-// static
-gfx::Rect Screen::GetMonitorAreaNearestWindow(gfx::NativeView view) {
+gfx::Rect GetMonitorAreaNearestWindow(gfx::NativeView view) {
   GdkScreen* screen = gdk_screen_get_default();
   gint monitor_num = 0;
   if (view) {
@@ -89,43 +71,15 @@ gfx::Rect Screen::GetMonitorAreaNearestWindow(gfx::NativeView view) {
   return gfx::Rect(bounds);
 }
 
-// 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) {
-  GdkScreen* screen = gdk_screen_get_default();
-  gint monitor = gdk_screen_get_monitor_at_point(screen, point.x(), point.y());
-  GdkRectangle bounds;
-  gdk_screen_get_monitor_geometry(screen, monitor, &bounds);
-  return gfx::Rect(bounds);
-}
-
-// static
-gfx::Rect Screen::GetPrimaryMonitorWorkArea() {
-  gfx::Rect rect;
-  if (GetScreenWorkArea(&rect))
-    return rect.Intersect(GetPrimaryMonitorBounds());
-
-  // Return the best we've got.
-  return GetPrimaryMonitorBounds();
-}
+}  // namespace
 
-// static
-gfx::Rect Screen::GetPrimaryMonitorBounds() {
-  GdkScreen* screen = gdk_screen_get_default();
-  GdkRectangle rect;
-  gdk_screen_get_monitor_geometry(screen, 0, &rect);
-  return gfx::Rect(rect);
-}
+namespace gfx {
 
 // static
-gfx::Rect Screen::GetMonitorWorkAreaMatching(const gfx::Rect& match_rect) {
-  // TODO(thestig) Implement multi-monitor support.
-  return GetPrimaryMonitorWorkArea();
+gfx::Point Screen::GetCursorScreenPoint() {
+  gint x, y;
+  gdk_display_get_pointer(gdk_display_get_default(), NULL, &x, &y, NULL);
+  return gfx::Point(x, y);
 }
 
 // static
@@ -144,9 +98,50 @@ gfx::NativeWindow Screen::GetWindowAtCursorScreenPoint() {
 }
 
 // static
-gfx::Size Screen::GetPrimaryMonitorSize() {
+gfx::Monitor Screen::GetMonitorNearestWindow(gfx::NativeView view) {
+  gfx::Rect bounds = GetMonitorAreaNearestWindow(view);
+  // Do not use the _NET_WORKAREA here, this is supposed to be an area on a
+  // specific monitor, and _NET_WORKAREA is a hint from the WM that generally
+  // spans across all monitors.  This would make the work area larger than the
+  // monitor.
+  // TODO(danakj) This is a work-around as there is no standard way to get this
+  // area, but it is a rect that we should be computing.  The standard means
+  // to compute this rect would be to watch all windows with
+  // _NET_WM_STRUT(_PARTIAL) hints, and subtract their space from the physical
+  // area of the monitor to construct a work area.
+  // TODO(oshima): Implement ID and Observer.
+  return gfx::Monitor(0, bounds);
+}
+
+// static
+gfx::Monitor Screen::GetMonitorNearestPoint(const gfx::Point& point) {
   GdkScreen* screen = gdk_screen_get_default();
-  return gfx::Size(gdk_screen_get_width(screen), gdk_screen_get_height(screen));
+  gint monitor = gdk_screen_get_monitor_at_point(screen, point.x(), point.y());
+  GdkRectangle bounds;
+  gdk_screen_get_monitor_geometry(screen, monitor, &bounds);
+  // TODO(oshima): Implement ID and Observer.
+  return gfx::Monitor(0, gfx::Rect(bounds));
+}
+
+// static
+gfx::Monitor Screen::GetPrimaryMonitor() {
+  gfx::Rect bounds = NativePrimaryMonitorBounds();
+  // TODO(oshima): Implement ID and Observer.
+  gfx::Monitor monitor(0, bounds);
+  gfx::Rect rect;
+  if (GetScreenWorkArea(&rect)) {
+    monitor.set_work_area(rect.Intersect(bounds));
+  } else {
+    // Return the best we've got.
+    monitor.set_work_area(bounds);
+  }
+  return monitor;
+}
+
+// static
+gfx::Monitor Screen::GetMonitorMatching(const gfx::Rect& match_rect) {
+  // TODO(thestig) Implement multi-monitor support.
+  return GetPrimaryMonitor();
 }
 
 // static