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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/memory/raw_ptr.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/views/controls/native/native_view_host.h"
#include "ui/views/test/views_test_base.h"
#include "ui/views/view.h"
#include "ui/views/widget/native_widget_private.h"
#include "ui/views/widget/widget.h"
namespace views {
class ScopedTestWidget {
public:
explicit ScopedTestWidget(internal::NativeWidgetPrivate* native_widget)
: native_widget_(native_widget) {}
ScopedTestWidget(const ScopedTestWidget&) = delete;
ScopedTestWidget& operator=(const ScopedTestWidget&) = delete;
~ScopedTestWidget() {
// `CloseNow` deletes both `native_widget_` and its associated `Widget`.
native_widget_.ExtractAsDangling()->GetWidget()->CloseNow();
}
internal::NativeWidgetPrivate* operator->() const { return native_widget_; }
internal::NativeWidgetPrivate* get() const { return native_widget_; }
private:
raw_ptr<internal::NativeWidgetPrivate> native_widget_;
};
class NativeWidgetTest : public ViewsTestBase {
public:
NativeWidgetTest() = default;
NativeWidgetTest(const NativeWidgetTest&) = delete;
NativeWidgetTest& operator=(const NativeWidgetTest&) = delete;
~NativeWidgetTest() override = default;
internal::NativeWidgetPrivate* CreateNativeWidgetOfType(
Widget::InitParams::Type type) {
Widget* widget = new Widget;
Widget::InitParams params = CreateParams(type);
params.ownership = views::Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET;
params.bounds = gfx::Rect(10, 10, 200, 200);
widget->Init(std::move(params));
return widget->native_widget_private();
}
internal::NativeWidgetPrivate* CreateNativeWidget() {
return CreateNativeWidgetOfType(Widget::InitParams::TYPE_POPUP);
}
internal::NativeWidgetPrivate* CreateNativeSubWidget() {
return CreateNativeWidgetOfType(Widget::InitParams::TYPE_CONTROL);
}
};
TEST_F(NativeWidgetTest, CreateNativeWidget) {
ScopedTestWidget widget(CreateNativeWidget());
EXPECT_TRUE(widget->GetWidget()->GetNativeView());
}
TEST_F(NativeWidgetTest, GetNativeWidgetForNativeView) {
ScopedTestWidget widget(CreateNativeWidget());
EXPECT_EQ(widget.get(),
internal::NativeWidgetPrivate::GetNativeWidgetForNativeView(
widget->GetWidget()->GetNativeView()));
}
// |widget| has the toplevel NativeWidget.
TEST_F(NativeWidgetTest, GetTopLevelNativeWidget1) {
ScopedTestWidget widget(CreateNativeWidget());
EXPECT_EQ(widget.get(),
internal::NativeWidgetPrivate::GetTopLevelNativeWidget(
widget->GetWidget()->GetNativeView()));
}
// |toplevel_widget| has the toplevel NativeWidget.
TEST_F(NativeWidgetTest, GetTopLevelNativeWidget2) {
internal::NativeWidgetPrivate* child_widget = CreateNativeSubWidget();
{
ScopedTestWidget toplevel_widget(CreateNativeWidget());
// |toplevel_widget| owns |child_host|.
NativeViewHost* child_host = toplevel_widget->GetWidget()->SetContentsView(
std::make_unique<NativeViewHost>());
// |child_host| hosts |child_widget|'s NativeView.
child_host->Attach(child_widget->GetWidget()->GetNativeView());
EXPECT_EQ(toplevel_widget.get(),
internal::NativeWidgetPrivate::GetTopLevelNativeWidget(
child_widget->GetWidget()->GetNativeView()));
}
// NativeViewHost only had a weak reference to the |child_widget|'s
// NativeView. Delete it and the associated Widget.
child_widget->CloseNow();
}
// GetTopLevelNativeWidget() finds the closest top-level widget.
TEST_F(NativeWidgetTest, GetTopLevelNativeWidget3) {
ScopedTestWidget root_widget(CreateNativeWidget());
ScopedTestWidget child_widget(CreateNativeWidget());
ScopedTestWidget grandchild_widget(CreateNativeSubWidget());
ASSERT_TRUE(root_widget->GetWidget()->is_top_level());
ASSERT_TRUE(child_widget->GetWidget()->is_top_level());
ASSERT_FALSE(grandchild_widget->GetWidget()->is_top_level());
Widget::ReparentNativeView(grandchild_widget->GetNativeView(),
child_widget->GetNativeView());
Widget::ReparentNativeView(child_widget->GetNativeView(),
root_widget->GetNativeView());
EXPECT_EQ(child_widget.get(),
internal::NativeWidgetPrivate::GetTopLevelNativeWidget(
grandchild_widget->GetWidget()->GetNativeView()));
}
} // namespace views
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