Add context to gfx::Screen calls in support of simultaneous desktop+ash

ash/display/display_controller_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 "ash/display/display_controller.h"
 
 #include "ash/launcher/launcher.h"
 #include "ash/screen_ash.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
@@ skipping 29 matching lines @@
     return c;
   }
 
  private:
   int count_;
 
   DISALLOW_COPY_AND_ASSIGN(TestObserver);
 };
 
 gfx::Display GetPrimaryDisplay() {
-  return gfx::Screen::GetDisplayNearestWindow(
+  return Shell::GetScreen()->GetDisplayNearestWindow(
       Shell::GetAllRootWindows()[0]);
 }
 
 gfx::Display GetSecondaryDisplay() {
-  return gfx::Screen::GetDisplayNearestWindow(
+  return Shell::GetScreen()->GetDisplayNearestWindow(
       Shell::GetAllRootWindows()[1]);
 }
 
 void SetSecondaryDisplayLayout(DisplayLayout::Position position) {
   DisplayController* display_controller =
       Shell::GetInstance()->display_controller();
   DisplayLayout layout = display_controller->default_display_layout();
   layout.position = position;
   display_controller->SetDefaultDisplayLayout(layout);
 }
@@ skipping 73 matching lines @@
 
   UpdateDisplay("400x400,300x300");
   EXPECT_EQ(1, observer.CountAndReset());
   EXPECT_EQ("0,0 400x400", GetPrimaryDisplay().bounds().ToString());
   EXPECT_EQ("0,400 300x300", GetSecondaryDisplay().bounds().ToString());
   EXPECT_EQ("5,405 290x290", GetSecondaryDisplay().work_area().ToString());
 
   UpdateDisplay("400x400");
   EXPECT_EQ(1, observer.CountAndReset());
   EXPECT_EQ("0,0 400x400", GetPrimaryDisplay().bounds().ToString());
-  EXPECT_EQ(1, gfx::Screen::GetNumDisplays());
+  EXPECT_EQ(1, Shell::GetScreen()->GetNumDisplays());
 
   UpdateDisplay("500x500,700x700");
   EXPECT_EQ(2, observer.CountAndReset());
-  ASSERT_EQ(2, gfx::Screen::GetNumDisplays());
+  ASSERT_EQ(2, Shell::GetScreen()->GetNumDisplays());
   EXPECT_EQ("0,0 500x500", GetPrimaryDisplay().bounds().ToString());
   EXPECT_EQ("0,500 700x700", GetSecondaryDisplay().bounds().ToString());
 }
 
 TEST_F(DisplayControllerTest, InvertLayout) {
   EXPECT_EQ("left, 0",
             DisplayLayout(DisplayLayout::RIGHT, 0).Invert().ToString());
   EXPECT_EQ("left, -100",
             DisplayLayout(DisplayLayout::RIGHT, 100).Invert().ToString());
   EXPECT_EQ("left, 50",
@@ skipping 19 matching lines @@
             DisplayLayout(DisplayLayout::BOTTOM, 70).Invert().ToString());
   EXPECT_EQ("top, 80",
             DisplayLayout(DisplayLayout::BOTTOM, -80).Invert().ToString());
 }
 
 TEST_F(DisplayControllerTest, SwapPrimary) {
   DisplayController* display_controller =
       Shell::GetInstance()->display_controller();
 
   UpdateDisplay("200x200,300x300");
-  gfx::Display primary_display = gfx::Screen::GetPrimaryDisplay();
+  gfx::Display primary_display = Shell::GetScreen()->GetPrimaryDisplay();
   gfx::Display secondary_display = ScreenAsh::GetSecondaryDisplay();
 
   std::string secondary_name = aura::Env::GetInstance()->
       display_manager()->GetDisplayNameFor(secondary_display);
   DisplayLayout secondary_layout(DisplayLayout::RIGHT, 50);
   display_controller->SetLayoutForDisplayName(secondary_name, secondary_layout);
 
   EXPECT_NE(primary_display.id(), secondary_display.id());
   aura::RootWindow* primary_root =
       display_controller->GetRootWindowForDisplayId(primary_display.id());
   aura::RootWindow* secondary_root =
       display_controller->GetRootWindowForDisplayId(secondary_display.id());
   EXPECT_NE(primary_root, secondary_root);
   aura::Window* launcher_window =
       Shell::GetInstance()->launcher()->widget()->GetNativeView();
   EXPECT_TRUE(primary_root->Contains(launcher_window));
   EXPECT_FALSE(secondary_root->Contains(launcher_window));
   EXPECT_EQ(primary_display.id(),
-            gfx::Screen::GetDisplayNearestPoint(gfx::Point(-100, -100)).id());
+            Shell::GetScreen()->GetDisplayNearestPoint(
+                gfx::Point(-100, -100)).id());
   EXPECT_EQ(primary_display.id(),
-            gfx::Screen::GetDisplayNearestWindow(NULL).id());
+            Shell::GetScreen()->GetDisplayNearestWindow(NULL).id());
 
   // Switch primary and secondary
   display_controller->SetPrimaryDisplay(secondary_display);
-  EXPECT_EQ(secondary_display.id(), gfx::Screen::GetPrimaryDisplay().id());
+  EXPECT_EQ(secondary_display.id(),
+      Shell::GetScreen()->GetPrimaryDisplay().id());
   EXPECT_EQ(primary_display.id(), ScreenAsh::GetSecondaryDisplay().id());
   EXPECT_EQ(secondary_display.id(),
-            gfx::Screen::GetDisplayNearestPoint(gfx::Point(-100, -100)).id());
+            Shell::GetScreen()->GetDisplayNearestPoint(
+                gfx::Point(-100, -100)).id());
   EXPECT_EQ(secondary_display.id(),
-            gfx::Screen::GetDisplayNearestWindow(NULL).id());
+            Shell::GetScreen()->GetDisplayNearestWindow(NULL).id());
 
   EXPECT_EQ(
       primary_root,
       display_controller->GetRootWindowForDisplayId(secondary_display.id()));
   EXPECT_EQ(
       secondary_root,
       display_controller->GetRootWindowForDisplayId(primary_display.id()));
   EXPECT_TRUE(primary_root->Contains(launcher_window));
   EXPECT_FALSE(secondary_root->Contains(launcher_window));
 
   const DisplayLayout& inverted_layout =
       display_controller->GetLayoutForDisplay(primary_display);
 
   EXPECT_EQ("left, -50", inverted_layout.ToString());
 
   aura::WindowTracker tracker;
   tracker.Add(primary_root);
   tracker.Add(secondary_root);
 
   // Deleting 2nd display should move the primary to original primary display.
   UpdateDisplay("200x200");
   RunAllPendingInMessageLoop();  // RootWindow is deleted in a posted task.
-  EXPECT_EQ(1, gfx::Screen::GetNumDisplays());
-  EXPECT_EQ(primary_display.id(), gfx::Screen::GetPrimaryDisplay().id());
+  EXPECT_EQ(1, Shell::GetScreen()->GetNumDisplays());
+  EXPECT_EQ(primary_display.id(), Shell::GetScreen()->GetPrimaryDisplay().id());
   EXPECT_EQ(primary_display.id(),
-            gfx::Screen::GetDisplayNearestPoint(gfx::Point(-100, -100)).id());
+            Shell::GetScreen()->GetDisplayNearestPoint(
+                gfx::Point(-100, -100)).id());
   EXPECT_EQ(primary_display.id(),
-            gfx::Screen::GetDisplayNearestWindow(NULL).id());
+            Shell::GetScreen()->GetDisplayNearestWindow(NULL).id());
   EXPECT_TRUE(tracker.Contains(primary_root));
   EXPECT_FALSE(tracker.Contains(secondary_root));
   EXPECT_TRUE(primary_root->Contains(launcher_window));
 }
 
 TEST_F(DisplayControllerTest, SwapPrimaryById) {
   DisplayController* display_controller =
       Shell::GetInstance()->display_controller();
 
   UpdateDisplay("200x200,300x300");
-  gfx::Display primary_display = gfx::Screen::GetPrimaryDisplay();
+  gfx::Display primary_display = Shell::GetScreen()->GetPrimaryDisplay();
   gfx::Display secondary_display = ScreenAsh::GetSecondaryDisplay();
 
   std::string secondary_name = aura::Env::GetInstance()->
       display_manager()->GetDisplayNameFor(secondary_display);
   DisplayLayout secondary_layout(DisplayLayout::RIGHT, 50);
   display_controller->SetLayoutForDisplayName(secondary_name, secondary_layout);
 
   EXPECT_NE(primary_display.id(), secondary_display.id());
   aura::RootWindow* primary_root =
       display_controller->GetRootWindowForDisplayId(primary_display.id());
   aura::RootWindow* secondary_root =
       display_controller->GetRootWindowForDisplayId(secondary_display.id());
   aura::Window* launcher_window =
       Shell::GetInstance()->launcher()->widget()->GetNativeView();
   EXPECT_TRUE(primary_root->Contains(launcher_window));
   EXPECT_FALSE(secondary_root->Contains(launcher_window));
   EXPECT_NE(primary_root, secondary_root);
   EXPECT_EQ(primary_display.id(),
-            gfx::Screen::GetDisplayNearestPoint(gfx::Point(-100, -100)).id());
+            Shell::GetScreen()->GetDisplayNearestPoint(
+                gfx::Point(-100, -100)).id());
   EXPECT_EQ(primary_display.id(),
-            gfx::Screen::GetDisplayNearestWindow(NULL).id());
+            Shell::GetScreen()->GetDisplayNearestWindow(NULL).id());
 
   // Switch primary and secondary by display ID.
   TestObserver observer;
   display_controller->SetPrimaryDisplayId(secondary_display.id());
-  EXPECT_EQ(secondary_display.id(), gfx::Screen::GetPrimaryDisplay().id());
+  EXPECT_EQ(secondary_display.id(),
+            Shell::GetScreen()->GetPrimaryDisplay().id());
   EXPECT_EQ(primary_display.id(), ScreenAsh::GetSecondaryDisplay().id());
   EXPECT_LT(0, observer.CountAndReset());
 
   EXPECT_EQ(
       primary_root,
       display_controller->GetRootWindowForDisplayId(secondary_display.id()));
   EXPECT_EQ(
       secondary_root,
       display_controller->GetRootWindowForDisplayId(primary_display.id()));
   EXPECT_TRUE(primary_root->Contains(launcher_window));
   EXPECT_FALSE(secondary_root->Contains(launcher_window));
 
   const DisplayLayout& inverted_layout =
       display_controller->GetLayoutForDisplay(primary_display);
 
   EXPECT_EQ("left, -50", inverted_layout.ToString());
 
   // Calling the same ID don't do anything.
   display_controller->SetPrimaryDisplayId(secondary_display.id());
   EXPECT_EQ(0, observer.CountAndReset());
 
   aura::WindowTracker tracker;
   tracker.Add(primary_root);
   tracker.Add(secondary_root);
 
   // Deleting 2nd display should move the primary to original primary display.
   UpdateDisplay("200x200");
   RunAllPendingInMessageLoop();  // RootWindow is deleted in a posted task.
-  EXPECT_EQ(1, gfx::Screen::GetNumDisplays());
-  EXPECT_EQ(primary_display.id(), gfx::Screen::GetPrimaryDisplay().id());
+  EXPECT_EQ(1, Shell::GetScreen()->GetNumDisplays());
+  EXPECT_EQ(primary_display.id(), Shell::GetScreen()->GetPrimaryDisplay().id());
   EXPECT_EQ(primary_display.id(),
-            gfx::Screen::GetDisplayNearestPoint(gfx::Point(-100, -100)).id());
+            Shell::GetScreen()->GetDisplayNearestPoint(
+                gfx::Point(-100, -100)).id());
   EXPECT_EQ(primary_display.id(),
-            gfx::Screen::GetDisplayNearestWindow(NULL).id());
+            Shell::GetScreen()->GetDisplayNearestWindow(NULL).id());
   EXPECT_TRUE(tracker.Contains(primary_root));
   EXPECT_FALSE(tracker.Contains(secondary_root));
   EXPECT_TRUE(primary_root->Contains(launcher_window));
 
   // Adding 2nd display with the same ID.  The 2nd display should become primary
   // since secondary id is still stored as desirable_primary_id.
   std::vector<gfx::Display> displays;
   displays.push_back(primary_display);
   displays.push_back(secondary_display);
   aura::DisplayManager* display_manager =
       aura::Env::GetInstance()->display_manager();
   display_manager->OnNativeDisplaysChanged(displays);
 
-  EXPECT_EQ(2, gfx::Screen::GetNumDisplays());
-  EXPECT_EQ(secondary_display.id(), gfx::Screen::GetPrimaryDisplay().id());
+  EXPECT_EQ(2, Shell::GetScreen()->GetNumDisplays());
+  EXPECT_EQ(secondary_display.id(),
+            Shell::GetScreen()->GetPrimaryDisplay().id());
   EXPECT_EQ(primary_display.id(), ScreenAsh::GetSecondaryDisplay().id());
   EXPECT_EQ(
       primary_root,
       display_controller->GetRootWindowForDisplayId(secondary_display.id()));
   EXPECT_NE(
       primary_root,
       display_controller->GetRootWindowForDisplayId(primary_display.id()));
   EXPECT_TRUE(primary_root->Contains(launcher_window));
 
   // Deleting 2nd display and adding 2nd display with a different ID.  The 2nd
   // display shouldn't become primary.
   UpdateDisplay("200x200");
   std::vector<gfx::Display> displays2;
   gfx::Display third_display(
       secondary_display.id() + 1, secondary_display.bounds());
   ASSERT_NE(primary_display.id(), third_display.id());
   displays2.push_back(primary_display);
   displays2.push_back(third_display);
   display_manager->OnNativeDisplaysChanged(displays2);
-  EXPECT_EQ(2, gfx::Screen::GetNumDisplays());
-  EXPECT_EQ(primary_display.id(), gfx::Screen::GetPrimaryDisplay().id());
+  EXPECT_EQ(2, Shell::GetScreen()->GetNumDisplays());
+  EXPECT_EQ(primary_display.id(),
+            Shell::GetScreen()->GetPrimaryDisplay().id());
   EXPECT_EQ(third_display.id(), ScreenAsh::GetSecondaryDisplay().id());
   EXPECT_EQ(
       primary_root,
       display_controller->GetRootWindowForDisplayId(primary_display.id()));
   EXPECT_NE(
       primary_root,
       display_controller->GetRootWindowForDisplayId(third_display.id()));
   EXPECT_TRUE(primary_root->Contains(launcher_window));
 }
 
 TEST_F(DisplayControllerTest, MAYBE_UpdateDisplayWithHostOrigin) {
   UpdateDisplay("100x200,300x400");
-  ASSERT_EQ(2, gfx::Screen::GetNumDisplays());
+  ASSERT_EQ(2, Shell::GetScreen()->GetNumDisplays());
   Shell::RootWindowList root_windows =
       Shell::GetInstance()->GetAllRootWindows();
   ASSERT_EQ(2U, root_windows.size());
   EXPECT_EQ("0,0", root_windows[0]->GetHostOrigin().ToString());
   EXPECT_EQ("100x200", root_windows[0]->GetHostSize().ToString());
   // UpdateDisplay set the origin if it's not set.
   EXPECT_NE("0,0", root_windows[1]->GetHostOrigin().ToString());
   EXPECT_EQ("300x400", root_windows[1]->GetHostSize().ToString());
 
   UpdateDisplay("100x200,200+300-300x400");
-  ASSERT_EQ(2, gfx::Screen::GetNumDisplays());
+  ASSERT_EQ(2, Shell::GetScreen()->GetNumDisplays());
   EXPECT_EQ("0,0", root_windows[0]->GetHostOrigin().ToString());
   EXPECT_EQ("100x200", root_windows[0]->GetHostSize().ToString());
   EXPECT_EQ("200,300", root_windows[1]->GetHostOrigin().ToString());
   EXPECT_EQ("300x400", root_windows[1]->GetHostSize().ToString());
 
   UpdateDisplay("400+500-200x300,300x400");
-  ASSERT_EQ(2, gfx::Screen::GetNumDisplays());
+  ASSERT_EQ(2, Shell::GetScreen()->GetNumDisplays());
   EXPECT_EQ("400,500", root_windows[0]->GetHostOrigin().ToString());
   EXPECT_EQ("200x300", root_windows[0]->GetHostSize().ToString());
   EXPECT_EQ("0,0", root_windows[1]->GetHostOrigin().ToString());
   EXPECT_EQ("300x400", root_windows[1]->GetHostSize().ToString());
 
   UpdateDisplay("100+200-100x200,300+500-200x300");
-  ASSERT_EQ(2, gfx::Screen::GetNumDisplays());
+  ASSERT_EQ(2, Shell::GetScreen()->GetNumDisplays());
   EXPECT_EQ("100,200", root_windows[0]->GetHostOrigin().ToString());
   EXPECT_EQ("100x200", root_windows[0]->GetHostSize().ToString());
   EXPECT_EQ("300,500", root_windows[1]->GetHostOrigin().ToString());
   EXPECT_EQ("200x300", root_windows[1]->GetHostSize().ToString());
 }
 
 }  // namespace test
 }  // namespace ash