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

ash/screen_ash.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 "ash/screen_ash.h"
 
 #include "ash/shell.h"
 #include "ash/wm/shelf_layout_manager.h"
 #include "base/logging.h"
 #include "ui/aura/env.h"
-#include "ui/aura/monitor.h"
+#include "ui/aura/monitor_aura.h"
 #include "ui/aura/monitor_manager.h"
 #include "ui/aura/root_window.h"
+#include "ui/gfx/screen.h"
 
 namespace ash {
 
-// TODO(oshima): For m19, the origin of work area/monitor bounds for
-// views/aura is (0,0) because it's simple and enough. Fix this when
-// real multi monitor support is implemented.
-
 namespace {
 aura::MonitorManager* GetMonitorManager() {
   return aura::Env::GetInstance()->monitor_manager();
 }
 }  // namespace
 
 ScreenAsh::ScreenAsh(aura::RootWindow* root_window)
     : root_window_(root_window) {
 }
 
 ScreenAsh::~ScreenAsh() {
 }
 
 // static
 gfx::Rect ScreenAsh::GetMaximizedWindowBounds(aura::Window* window) {
   return Shell::GetInstance()->shelf()->GetMaximizedWindowBounds(window);
 }
 
 // static
 gfx::Rect ScreenAsh::GetUnmaximizedWorkAreaBounds(aura::Window* window) {
   return Shell::GetInstance()->shelf()->GetUnmaximizedWorkAreaBounds(window);
 }
 
-gfx::Point ScreenAsh::GetCursorScreenPointImpl() {
+gfx::Point ScreenAsh::GetCursorScreenPoint() {
   return root_window_->last_mouse_location();
 }
 
-gfx::Rect ScreenAsh::GetMonitorWorkAreaNearestWindowImpl(
-    gfx::NativeWindow window) {
-  return GetMonitorManager()->GetMonitorNearestWindow(window)->
-      GetWorkAreaBounds();
-}
-
-gfx::Rect ScreenAsh::GetMonitorAreaNearestWindowImpl(
-    gfx::NativeWindow window) {
-  // See the comment at the top.
-  return gfx::Rect(
-      GetMonitorManager()->GetMonitorNearestWindow(window)->size());
-}
-
-gfx::Rect ScreenAsh::GetMonitorWorkAreaNearestPointImpl(
-    const gfx::Point& point) {
-  return GetMonitorManager()->GetMonitorNearestPoint(point)->
-      GetWorkAreaBounds();
-}
-
-gfx::Rect ScreenAsh::GetMonitorAreaNearestPointImpl(const gfx::Point& point) {
-  // See the comment at the top.
-  return gfx::Rect(GetMonitorManager()->GetMonitorNearestPoint(point)->size());
-}
-
-gfx::NativeWindow ScreenAsh::GetWindowAtCursorScreenPointImpl() {
-  const gfx::Point point = GetCursorScreenPoint();
+gfx::NativeWindow ScreenAsh::GetWindowAtCursorScreenPoint() {
+  const gfx::Point point = gfx::Screen::GetCursorScreenPoint();
   return root_window_->GetTopWindowContainingPoint(point);
 }
 
-gfx::Size ScreenAsh::GetPrimaryMonitorSizeImpl() {
-  return GetMonitorManager()->GetMonitorAt(0)->size();
-}
-
-int ScreenAsh::GetNumMonitorsImpl() {
+int ScreenAsh::GetNumMonitors() {
   return GetMonitorManager()->GetNumMonitors();
 }
 
+const gfx::Monitor* ScreenAsh::GetMonitorNearestWindow(
+    gfx::NativeWindow window) {
+  return GetMonitorManager()->GetMonitorNearestWindow(window);
+}
+
+const gfx::Monitor* ScreenAsh::GetMonitorNearestPoint(
+    const gfx::Point& point) {
+  return GetMonitorManager()->GetMonitorNearestPoint(point);
+}
+
+const gfx::Monitor* ScreenAsh::GetPrimaryMonitor() {
+  return GetMonitorManager()->GetMonitorAt(0);
+}
+
+void ScreenAsh::AddMonitorObserver(gfx::MonitorObserver* observer) {
+  return GetMonitorManager()->AddObserver(observer);
+}
+
+void ScreenAsh::RemoveMonitorObserver(gfx::MonitorObserver* observer) {
+  return GetMonitorManager()->RemoveObserver(observer);
+}
+
 }  // namespace ash