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view_unittest_aura.cc
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view_unittest_aura.cc
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// Copyright 2014 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 "ui/views/view.h"
#include "base/memory/scoped_ptr.h"
#include "ui/aura/window.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/layer_tree_owner.h"
#include "ui/compositor/test/test_layers.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/views/test/views_test_base.h"
#include "ui/views/view_constants_aura.h"
#include "ui/views/widget/widget.h"
#include "ui/wm/core/window_util.h"
namespace views {
namespace {
// Creates a widget of TYPE_CONTROL.
// The caller takes ownership of the returned widget.
Widget* CreateControlWidget(aura::Window* parent, const gfx::Rect& bounds) {
Widget::InitParams params(Widget::InitParams::TYPE_CONTROL);
params.parent = parent;
params.bounds = bounds;
Widget* widget = new Widget();
widget->Init(params);
return widget;
}
// Returns a view with a layer with the passed in |bounds| and |layer_name|.
// The caller takes ownership of the returned view.
View* CreateViewWithLayer(const gfx::Rect& bounds, const char* layer_name) {
View* view = new View();
view->SetBoundsRect(bounds);
view->SetPaintToLayer(true);
view->layer()->set_name(layer_name);
return view;
}
} // namespace
typedef ViewsTestBase ViewAuraTest;
// Test that wm::RecreateLayers() recreates the layers for all child windows and
// all child views and that the z-order of the recreated layers matches that of
// the original layers.
// Test hierarchy:
// w1
// +-- v1
// +-- v2 (no layer)
// +-- v3 (no layer)
// +-- v4
// +-- w2
// +-- v5
// +-- v6
// +-- v7
// +-- v8
// +-- v9
TEST_F(ViewAuraTest, RecreateLayersWithWindows) {
Widget* w1 = CreateControlWidget(GetContext(), gfx::Rect(0, 0, 100, 100));
w1->GetNativeView()->layer()->set_name("w1");
View* v2 = new View();
v2->SetBounds(0, 1, 100, 101);
View* v3 = new View();
v3->SetBounds(0, 2, 100, 102);
View* w2_host_view = new View();
View* v1 = CreateViewWithLayer(gfx::Rect(0, 3, 100, 103), "v1");
ui::Layer* v1_layer = v1->layer();
w1->GetRootView()->AddChildView(v1);
w1->GetRootView()->AddChildView(v2);
v2->AddChildView(v3);
View* v4 = CreateViewWithLayer(gfx::Rect(0, 4, 100, 104), "v4");
ui::Layer* v4_layer = v4->layer();
v2->AddChildView(v4);
w1->GetRootView()->AddChildView(w2_host_view);
View* v7 = CreateViewWithLayer(gfx::Rect(0, 4, 100, 104), "v7");
ui::Layer* v7_layer = v7->layer();
w1->GetRootView()->AddChildView(v7);
View* v8 = CreateViewWithLayer(gfx::Rect(0, 4, 100, 104), "v8");
ui::Layer* v8_layer = v8->layer();
v7->AddChildView(v8);
View* v9 = CreateViewWithLayer(gfx::Rect(0, 4, 100, 104), "v9");
ui::Layer* v9_layer = v9->layer();
v7->AddChildView(v9);
Widget* w2 =
CreateControlWidget(w1->GetNativeView(), gfx::Rect(0, 5, 100, 105));
w2->GetNativeView()->layer()->set_name("w2");
w2->GetNativeView()->SetProperty(kHostViewKey, w2_host_view);
View* v5 = CreateViewWithLayer(gfx::Rect(0, 6, 100, 106), "v5");
w2->GetRootView()->AddChildView(v5);
View* v6 = CreateViewWithLayer(gfx::Rect(0, 7, 100, 107), "v6");
ui::Layer* v6_layer = v6->layer();
v5->AddChildView(v6);
// Test the initial order of the layers.
ui::Layer* w1_layer = w1->GetNativeView()->layer();
ASSERT_EQ("w1", w1_layer->name());
ASSERT_EQ("v1 v4 w2 v7", ui::test::ChildLayerNamesAsString(*w1_layer));
ui::Layer* w2_layer = w1_layer->children()[2];
ASSERT_EQ("v5", ui::test::ChildLayerNamesAsString(*w2_layer));
ui::Layer* v5_layer = w2_layer->children()[0];
ASSERT_EQ("v6", ui::test::ChildLayerNamesAsString(*v5_layer));
{
scoped_ptr<ui::LayerTreeOwner> cloned_owner(
wm::RecreateLayers(w1->GetNativeView()));
EXPECT_EQ(w1_layer, cloned_owner->root());
EXPECT_NE(w1_layer, w1->GetNativeView()->layer());
// The old layers should still exist and have the same hierarchy.
ASSERT_EQ("w1", w1_layer->name());
ASSERT_EQ("v1 v4 w2 v7", ui::test::ChildLayerNamesAsString(*w1_layer));
ASSERT_EQ("v5", ui::test::ChildLayerNamesAsString(*w2_layer));
ASSERT_EQ("v6", ui::test::ChildLayerNamesAsString(*v5_layer));
EXPECT_EQ("v8 v9", ui::test::ChildLayerNamesAsString(*v7_layer));
ASSERT_EQ(4u, w1_layer->children().size());
EXPECT_EQ(v1_layer, w1_layer->children()[0]);
EXPECT_EQ(v4_layer, w1_layer->children()[1]);
EXPECT_EQ(w2_layer, w1_layer->children()[2]);
EXPECT_EQ(v7_layer, w1_layer->children()[3]);
ASSERT_EQ(1u, w2_layer->children().size());
EXPECT_EQ(v5_layer, w2_layer->children()[0]);
ASSERT_EQ(1u, v5_layer->children().size());
EXPECT_EQ(v6_layer, v5_layer->children()[0]);
ASSERT_EQ(0u, v6_layer->children().size());
EXPECT_EQ(2u, v7_layer->children().size());
EXPECT_EQ(v8_layer, v7_layer->children()[0]);
EXPECT_EQ(v9_layer, v7_layer->children()[1]);
// The cloned layers should have the same hierarchy as old.
ui::Layer* w1_new_layer = w1->GetNativeView()->layer();
EXPECT_EQ("w1", w1_new_layer->name());
ASSERT_EQ("v1 v4 w2 v7", ui::test::ChildLayerNamesAsString(*w1_new_layer));
ui::Layer* w2_new_layer = w1_new_layer->children()[2];
ASSERT_EQ("v5", ui::test::ChildLayerNamesAsString(*w2_new_layer));
ui::Layer* v5_new_layer = w2_new_layer->children()[0];
ASSERT_EQ("v6", ui::test::ChildLayerNamesAsString(*v5_new_layer));
ui::Layer* v7_new_layer = w1_new_layer->children()[3];
ASSERT_EQ("v8 v9", ui::test::ChildLayerNamesAsString(*v7_new_layer));
}
w1->CloseNow();
}
} // namespace views