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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "testing/gtest/include/gtest/gtest.h"
      6 #include "ui/views/controls/native/native_view_host.h"
      7 #include "ui/views/test/views_test_base.h"
      8 #include "ui/views/view.h"
      9 #include "ui/views/widget/native_widget_private.h"
     10 #include "ui/views/widget/widget.h"
     11 
     12 namespace views {
     13 
     14 class ScopedTestWidget {
     15  public:
     16   explicit ScopedTestWidget(internal::NativeWidgetPrivate* native_widget)
     17       : native_widget_(native_widget) {
     18   }
     19   ~ScopedTestWidget() {
     20     // |CloseNow| deletes both |native_widget_| and its associated
     21     // |Widget|.
     22     native_widget_->GetWidget()->CloseNow();
     23   }
     24 
     25   internal::NativeWidgetPrivate* operator->() const  {
     26     return native_widget_;
     27   }
     28   internal::NativeWidgetPrivate* get() const { return native_widget_; }
     29 
     30  private:
     31   internal::NativeWidgetPrivate* native_widget_;
     32   DISALLOW_COPY_AND_ASSIGN(ScopedTestWidget);
     33 };
     34 
     35 class NativeWidgetTest : public ViewsTestBase {
     36  public:
     37   NativeWidgetTest() {}
     38   virtual ~NativeWidgetTest() {}
     39 
     40   internal::NativeWidgetPrivate* CreateNativeWidgetOfType(
     41       Widget::InitParams::Type type) {
     42     Widget* widget = new Widget;
     43     Widget::InitParams params = CreateParams(type);
     44     params.ownership = views::Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET;
     45     params.child = false; // Implicitly set to true by ctor with TYPE_CONTROL.
     46     params.bounds = gfx::Rect(10, 10, 200, 200);
     47     widget->Init(params);
     48     return widget->native_widget_private();
     49   }
     50 
     51   internal::NativeWidgetPrivate* CreateNativeWidget() {
     52     return CreateNativeWidgetOfType(Widget::InitParams::TYPE_POPUP);
     53   }
     54 
     55   internal::NativeWidgetPrivate* CreateNativeSubWidget() {
     56     return CreateNativeWidgetOfType(Widget::InitParams::TYPE_CONTROL);
     57   }
     58 
     59  private:
     60   DISALLOW_COPY_AND_ASSIGN(NativeWidgetTest);
     61 };
     62 
     63 TEST_F(NativeWidgetTest, CreateNativeWidget) {
     64   ScopedTestWidget widget(CreateNativeWidget());
     65   EXPECT_TRUE(widget->GetWidget()->GetNativeView() != NULL);
     66 }
     67 
     68 TEST_F(NativeWidgetTest, GetNativeWidgetForNativeView) {
     69   ScopedTestWidget widget(CreateNativeWidget());
     70   EXPECT_EQ(widget.get(),
     71             internal::NativeWidgetPrivate::GetNativeWidgetForNativeView(
     72                 widget->GetWidget()->GetNativeView()));
     73 }
     74 
     75 // |widget| has the toplevel NativeWidget.
     76 TEST_F(NativeWidgetTest, GetTopLevelNativeWidget1) {
     77   ScopedTestWidget widget(CreateNativeWidget());
     78   EXPECT_EQ(widget.get(),
     79             internal::NativeWidgetPrivate::GetTopLevelNativeWidget(
     80                 widget->GetWidget()->GetNativeView()));
     81 }
     82 
     83 // |toplevel_widget| has the toplevel NativeWidget.
     84 TEST_F(NativeWidgetTest, GetTopLevelNativeWidget2) {
     85   ScopedTestWidget toplevel_widget(CreateNativeWidget());
     86 
     87   // |toplevel_widget| owns |child_host|.
     88   NativeViewHost* child_host = new NativeViewHost;
     89   toplevel_widget->GetWidget()->SetContentsView(child_host);
     90 
     91   // |child_host| owns |child_widget|.
     92   internal::NativeWidgetPrivate* child_widget = CreateNativeSubWidget();
     93   child_host->Attach(child_widget->GetWidget()->GetNativeView());
     94 
     95   EXPECT_EQ(toplevel_widget.get(),
     96             internal::NativeWidgetPrivate::GetTopLevelNativeWidget(
     97                 child_widget->GetWidget()->GetNativeView()));
     98 }
     99 
    100 }  // namespace views
    101