Use root window's coordinates when updating cursor in Aura

content/browser/renderer_host/render_widget_host_view_aura_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 "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/basictypes.h"
 #include "base/memory/shared_memory.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 660 matching lines @@
   // Show the view. Since the cursor was visible when the view was hidden,
   // a message is expected to be sent.
   sink_->ClearMessages();
   view_->WasShown();
   EXPECT_TRUE(sink_->GetUniqueMessageMatching(
       InputMsg_CursorVisibilityChange::ID));
 
   cursor_client.RemoveObserver(view_);
 }
 
+TEST_F(RenderWidgetHostViewAuraTest, UpdateCursorIfOverSelf) {
+  view_->InitAsChild(NULL);
+  aura::client::ParentWindowWithContext(
+      view_->GetNativeView(),
+      parent_view_->GetNativeView()->GetRootWindow(),
+      gfx::Rect());
+
+  // Note that all coordinates in this test are screen coordinates.
+  view_->SetBounds(gfx::Rect(60, 60, 100, 100));
+  view_->Show();
+
+  aura::test::TestCursorClient cursor_client(
+      parent_view_->GetNativeView()->GetRootWindow());
+
+  // Cursor is in the middle of the window.
+  cursor_client.reset_calls_to_set_cursor();
+  aura::Env::GetInstance()->set_last_mouse_location(gfx::Point(110, 110));
+  view_->UpdateCursorIfOverSelf();
+  EXPECT_EQ(1, cursor_client.calls_to_set_cursor());
+
+  // Cursor is near the top of the window.
+  cursor_client.reset_calls_to_set_cursor();
+  aura::Env::GetInstance()->set_last_mouse_location(gfx::Point(80, 65));
+  view_->UpdateCursorIfOverSelf();
+  EXPECT_EQ(1, cursor_client.calls_to_set_cursor());
+
+  // Cursor is near the bottom of the window.
+  cursor_client.reset_calls_to_set_cursor();
+  aura::Env::GetInstance()->set_last_mouse_location(gfx::Point(159, 159));
+  view_->UpdateCursorIfOverSelf();
+  EXPECT_EQ(1, cursor_client.calls_to_set_cursor());
+
+  // Cursor is above the window.
+  cursor_client.reset_calls_to_set_cursor();
+  aura::Env::GetInstance()->set_last_mouse_location(gfx::Point(67, 59));
+  view_->UpdateCursorIfOverSelf();
+  EXPECT_EQ(0, cursor_client.calls_to_set_cursor());
+
+  // Cursor is below the window.
+  cursor_client.reset_calls_to_set_cursor();
+  aura::Env::GetInstance()->set_last_mouse_location(gfx::Point(161, 161));
+  view_->UpdateCursorIfOverSelf();
+  EXPECT_EQ(0, cursor_client.calls_to_set_cursor());
+}
+
 scoped_ptr<cc::CompositorFrame> MakeGLFrame(float scale_factor,
                                             gfx::Size size,
                                             gfx::Rect damage) {
   scoped_ptr<cc::CompositorFrame> frame(new cc::CompositorFrame);
   frame->metadata.device_scale_factor = scale_factor;
   frame->gl_frame_data.reset(new cc::GLFrameData);
   frame->gl_frame_data->sync_point = 1;
   memset(frame->gl_frame_data->mailbox.name, '1', 64);
   frame->gl_frame_data->size = size;
   frame->gl_frame_data->sub_buffer_rect = damage;
@@ skipping 414 matching lines @@
   view_->OnSwapCompositorFrame(
       1, MakeDelegatedFrame(2.f, frame_size, gfx::Rect(frame_size)));
 
   // When we get a new frame with the same frame size in physical pixels, but a
   // different scale, we should generate a new frame provider, as the final
   // result will need to be scaled differently to the screen.
   EXPECT_NE(frame_provider.get(), view_->frame_provider_.get());
 }
 
 }  // namespace content