Implement "pinned" mode in ash.

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/aura/wm_window_aura.h"
 #include "ash/common/ash_switches.h"
 #include "ash/common/focus_cycler.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shelf/shelf_constants.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/system/tray/system_tray_item.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm_shell.h"
 #include "ash/display/display_manager.h"
 #include "ash/display/window_tree_host_manager.h"
@@ skipping 1636 matching lines @@
   EXPECT_EQ(root_windows[0], window1->GetRootWindow());
   EXPECT_EQ(root_windows[1], window2->GetRootWindow());
 
   wm::GetWindowState(window2)->Activate();
   EXPECT_EQ(SHELF_HIDDEN,
       root_window_controllers[0]->GetShelfLayoutManager()->visibility_state());
   EXPECT_EQ(SHELF_VISIBLE,
       root_window_controllers[1]->GetShelfLayoutManager()->visibility_state());
 }
 
+// Test for Pinned mode.
+TEST_F(ShelfLayoutManagerTest, PinnedWindowHidesShelf) {
+  Shelf* shelf = GetShelf();
+
+  aura::Window* window1 = CreateTestWindow();
+  window1->SetBounds(gfx::Rect(0, 0, 100, 100));
+  window1->Show();
+
+  EXPECT_EQ(SHELF_VISIBLE, shelf->GetVisibilityState());
+
+  wm::PinWindow(window1);
+  EXPECT_EQ(SHELF_HIDDEN, shelf->GetVisibilityState());
+
+  WmWindowAura::Get(window1)->GetWindowState()->Restore();
+  EXPECT_EQ(SHELF_VISIBLE, shelf->GetVisibilityState());
+}
 
 #if defined(OS_WIN)
 // RootWindow and Display can't resize on Windows Ash. http://crbug.com/165962
 #define MAYBE_SetAlignment DISABLED_SetAlignment
 #else
 #define MAYBE_SetAlignment SetAlignment
 #endif
 
 // Tests SHELF_ALIGNMENT_(LEFT, RIGHT).
 TEST_F(ShelfLayoutManagerTest, MAYBE_SetAlignment) {
@@ skipping 619 matching lines @@
                                              ->shelf_widget()
                                              ->status_area_widget();
   EXPECT_TRUE(status_area_widget->IsVisible());
   // Shelf should be in the first display's area.
   gfx::Rect status_area_bounds(status_area_widget->GetWindowBoundsInScreen());
   EXPECT_TRUE(gfx::Rect(0, 0, 500, 400).Contains(status_area_bounds));
   EXPECT_EQ(gfx::Point(500, 400), status_area_bounds.bottom_right());
 }
 
 }  // namespace ash