Sets the background color of shelf is opaque black when maximized (2nd)

ash/shelf/shelf_layout_manager_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/shelf/shelf_layout_manager.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/ash_switches.h"
 #include "ash/display/display_manager.h"
@@ skipping 1515 matching lines @@
     if (i) {
       EXPECT_TRUE(shelf->IsVisible());
       EXPECT_TRUE(status_area_widget->IsMessageBubbleShown());
     } else {
       EXPECT_FALSE(shelf->IsVisible());
       EXPECT_FALSE(status_area_widget->IsMessageBubbleShown());
     }
   }
 }
 
+TEST_F(ShelfLayoutManagerTest, ShelfBackgroundColor) {
+  EXPECT_EQ(SHELF_BACKGROUND_DEFAULT, GetShelfWidget()->GetBackgroundType());
+
+  scoped_ptr<aura::Window> w1(CreateTestWindow());
+  w1->Show();
+  wm::ActivateWindow(w1.get());
+  EXPECT_EQ(SHELF_BACKGROUND_DEFAULT, GetShelfWidget()->GetBackgroundType());
+  w1->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
+  EXPECT_EQ(SHELF_BACKGROUND_MAXIMIZED, GetShelfWidget()->GetBackgroundType());
+
+  scoped_ptr<aura::Window> w2(CreateTestWindow());
+  w2->Show();
+  wm::ActivateWindow(w2.get());
+  // Overlaps with shelf.
+  w2->SetBounds(GetShelfLayoutManager()->GetIdealBounds());
+
+  // Still background is 'maximized'.
+  EXPECT_EQ(SHELF_BACKGROUND_MAXIMIZED, GetShelfWidget()->GetBackgroundType());
+
+  w1->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MINIMIZED);
+  EXPECT_EQ(SHELF_BACKGROUND_OVERLAP, GetShelfWidget()->GetBackgroundType());
+  w2->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MINIMIZED);
+  EXPECT_EQ(SHELF_BACKGROUND_DEFAULT, GetShelfWidget()->GetBackgroundType());
+
+  w1->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
+  EXPECT_EQ(SHELF_BACKGROUND_MAXIMIZED, GetShelfWidget()->GetBackgroundType());
+  w1.reset();
+  EXPECT_EQ(SHELF_BACKGROUND_DEFAULT, GetShelfWidget()->GetBackgroundType());
+}
+
+// Verify that the shelf doesn't have the opaque background if it's auto-hide
+// status.
+TEST_F(ShelfLayoutManagerTest, ShelfBackgroundColorAutoHide) {
+  EXPECT_EQ(SHELF_BACKGROUND_DEFAULT, GetShelfWidget ()->GetBackgroundType());
+
+  GetShelfLayoutManager()->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
+  scoped_ptr<aura::Window> w1(CreateTestWindow());
+  w1->Show();
+  wm::ActivateWindow(w1.get());
+  EXPECT_EQ(SHELF_BACKGROUND_OVERLAP, GetShelfWidget()->GetBackgroundType());
+  w1->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
+  EXPECT_EQ(SHELF_BACKGROUND_OVERLAP, GetShelfWidget()->GetBackgroundType());
+}
+
 }  // namespace internal
 }  // namespace ash