Make sure the non browser/non app widget is fully visible when created on ash

ash/wm/window_positioner_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/wm/window_positioner.h"
 
 #include "ash/shell.h"
 #include "ash/shell/toplevel_window.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/window_state.h"
 #include "ui/aura/root_window.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/widget/widget.h"
+#include "ui/views/widget/widget_delegate.h"
 
 namespace ash {
 
 typedef test::AshTestBase WindowPositionerTest;
 
 TEST_F(WindowPositionerTest, OpenMaximizedWindowOnSecondDisplay) {
   if (!SupportsMultipleDisplays())
     return;
   UpdateDisplay("400x400,500x500");
   Shell::GetInstance()->set_target_root_window(
@@ skipping 18 matching lines @@
   params.can_maximize = true;
   views::Widget* widget =
       shell::ToplevelWindow::CreateToplevelWindow(params);
   gfx::Rect bounds = widget->GetWindowBoundsInScreen();
   // The window should be in the 2nd display with the default size.
   EXPECT_EQ("300x300", bounds.size().ToString());
   EXPECT_TRUE(Shell::GetScreen()->GetDisplayNearestWindow(
       second_root_window).bounds().Contains(bounds));
 }
 
+namespace {
+
+// A WidgetDelegate that returns the out of display saved bounds.
+class OutOfDisplayDelegate : public views::WidgetDelegate {
+ public:
+  explicit OutOfDisplayDelegate(views::Widget* widget) : widget_(widget) {}
+  virtual ~OutOfDisplayDelegate() {}
+
+  // Overridden from WidgetDelegate:
+  virtual void DeleteDelegate() OVERRIDE {
+    delete this;
+  }
+  virtual views::Widget* GetWidget() OVERRIDE {
+    return widget_;
+  }
+  virtual const views::Widget* GetWidget() const OVERRIDE {
+    return widget_;
+  }
+  virtual bool GetSavedWindowPlacement(
+      const views::Widget* widget,
+      gfx::Rect* bounds,
+      ui::WindowShowState* show_state) const OVERRIDE {
+    bounds->SetRect(450, 10, 100, 100);
+    *show_state = ui::SHOW_STATE_NORMAL;
+    return true;
+  }
+
+ private:
+  views::Widget* widget_;
+
+  DISALLOW_COPY_AND_ASSIGN(OutOfDisplayDelegate);
+};
+
 }  // namespace
+
+TEST_F(WindowPositionerTest, EnsureMinimumVisibility) {
+  UpdateDisplay("400x400");
+  views::Widget* widget = new views::Widget();
+  views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW);
+  params.delegate = new OutOfDisplayDelegate(widget);
+  params.context = Shell::GetPrimaryRootWindow();
+  widget->Init(params);
+  widget->SetBounds(gfx::Rect(450,10, 100, 100));
+  wm::GetWindowState(widget->GetNativeView())->set_minimum_visibility(true);
+  widget->Show();
+  // Make sure the bounds is adjusted to be inside the work area.
+  EXPECT_EQ("390,10 100x100", widget->GetWindowBoundsInScreen().ToString());
+  widget->CloseNow();
+}
+
+}  // namespace