Move cursor when it's hidden so that UX can update correctly

ui/aura/root_window_unittest.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/aura/root_window.h"
 
 #include <vector>
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/aura/client/event_client.h"
@@ skipping 128 matching lines @@
   EXPECT_EQ(gfx::Point(1, 1), delegate1->non_client_location());
   // Mouse event was received by target window.
   EXPECT_EQ(1, delegate1->mouse_event_count());
   EXPECT_EQ(0, delegate2->mouse_event_count());
   // Event was in local coordinates.
   EXPECT_EQ(gfx::Point(1, 1), delegate1->mouse_event_location());
   // Non-client flag was set.
   EXPECT_TRUE(delegate1->mouse_event_flags() & ui::EF_IS_NON_CLIENT);
 }
 
+TEST_F(RootWindowTest, HideCursor) {
+  scoped_ptr<NonClientDelegate> delegate(new NonClientDelegate());
+  const int kWindowWidth = 123;
+  const int kWindowHeight = 45;
+  gfx::Rect bounds(100, 200, kWindowWidth, kWindowHeight);
+  scoped_ptr<aura::Window> window(CreateTestWindowWithDelegate(
+      delegate.get(), -1234, bounds, NULL));
+  aura::Window* window_ptr = &*window;
+
+  root_window()->ShowCursor(true);
+  // Send a mouse event to window.
+  gfx::Point point(101, 201);
+  gfx::Point local_point;
+  MouseEvent event(ui::ET_MOUSE_MOVED, point, point, 0);
+  root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(&event);
+
+  // Location was in window.
+  local_point = delegate->mouse_event_location();
+  aura::Window::ConvertPointToWindow(window_ptr, root_window(), &local_point);
+  EXPECT_TRUE(window->bounds().Contains(local_point));
+
+  // Location is now out of window.
+  root_window()->ShowCursor(false);
+  local_point = delegate->mouse_event_location();
+  aura::Window::ConvertPointToWindow(window_ptr, root_window(), &local_point);
+  EXPECT_FALSE(window->bounds().Contains(local_point));
+
+  // Location is back in window.
+  root_window()->ShowCursor(true);
+  local_point = delegate->mouse_event_location();
+  aura::Window::ConvertPointToWindow(window_ptr, root_window(), &local_point);
+  EXPECT_TRUE(window->bounds().Contains(local_point));
+}
+
 // Check that we correctly track the state of the mouse buttons in response to
 // button press and release events.
 TEST_F(RootWindowTest, MouseButtonState) {
   EXPECT_FALSE(Env::GetInstance()->is_mouse_button_down());
 
   gfx::Point location;
   scoped_ptr<MouseEvent> event;
 
   // Press the left button.
   event.reset(new MouseEvent(
@@ skipping 376 matching lines @@
   root_window()->ReleaseMouseMoves();
   root_window()->AsRootWindowHostDelegate()->OnHostMouseEvent(
       &mouse_dragged_event2);
   EXPECT_EQ("MOUSE_DRAGGED", EventTypesToString(filter->events()));
   filter->events().clear();
   RunAllPendingInMessageLoop();
   EXPECT_TRUE(filter->events().empty());
 }
 
 }  // namespace aura