Fix visibility of minimized panels when restoring from overview.

ash/wm/overview/window_selector_unittest.cc

 // Copyright 2013 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/launcher/launcher.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_ash.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
@@ skipping 181 matching lines @@
   wm::WindowState* window_state = wm::GetWindowState(window1.get());
   window_state->Maximize();
   ash::ShelfWidget* shelf = Shell::GetPrimaryRootWindowController()->shelf();
   EXPECT_TRUE(shelf->GetDimsShelf());
   ToggleOverview();
   EXPECT_FALSE(shelf->GetDimsShelf());
   ToggleOverview();
   EXPECT_TRUE(shelf->GetDimsShelf());
 }
 
+// Tests that a minimized window's visibility and layer visibility is correctly
+// changed when entering overview and restored when leaving overview mode.
+TEST_F(WindowSelectorTest, MinimizedWindowVisibility) {
+  gfx::Rect bounds(0, 0, 400, 400);
+  scoped_ptr<aura::Window> window1(CreateWindow(bounds));
+  wm::WindowState* window_state = wm::GetWindowState(window1.get());
+  window_state->Minimize();
+  EXPECT_FALSE(window1->IsVisible());
+  EXPECT_FALSE(window1->layer()->GetTargetVisibility());
+  {
+    ui::ScopedAnimationDurationScaleMode normal_duration_mode(
+        ui::ScopedAnimationDurationScaleMode::NORMAL_DURATION);
+    ToggleOverview();
+    EXPECT_TRUE(window1->IsVisible());
+    EXPECT_TRUE(window1->layer()->GetTargetVisibility());
+  }
+  {
+    ui::ScopedAnimationDurationScaleMode normal_duration_mode(
+        ui::ScopedAnimationDurationScaleMode::NORMAL_DURATION);
+    ToggleOverview();
+    EXPECT_FALSE(window1->IsVisible());
+    EXPECT_FALSE(window1->layer()->GetTargetVisibility());
+  }
+}
+
 // Tests entering overview mode with three windows and cycling through them.
 TEST_F(WindowSelectorTest, BasicCycle) {
   gfx::Rect bounds(0, 0, 400, 400);
   scoped_ptr<aura::Window> window1(CreateWindow(bounds));
   scoped_ptr<aura::Window> window2(CreateWindow(bounds));
   scoped_ptr<aura::Window> window3(CreateWindow(bounds));
   wm::ActivateWindow(window3.get());
   wm::ActivateWindow(window2.get());
   wm::ActivateWindow(window1.get());
   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
@@ skipping 319 matching lines @@
   Cycle(WindowSelector::FORWARD);
   EXPECT_TRUE(root_windows[0]->GetBoundsInScreen().Contains(
       ToEnclosingRect(GetTransformedTargetBounds(window1.get()))));
   EXPECT_TRUE(root_windows[0]->GetBoundsInScreen().Contains(
       ToEnclosingRect(GetTransformedTargetBounds(window2.get()))));
   StopCycling();
 }
 
 }  // namespace internal
 }  // namespace ash