| // 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/wm/core/window_util.h" |
| |
| #include <memory> |
| |
| #include "base/bind.h" |
| #include "ui/aura/test/aura_test_base.h" |
| #include "ui/aura/test/test_windows.h" |
| #include "ui/aura/window.h" |
| #include "ui/compositor/layer.h" |
| #include "ui/compositor/layer_tree_owner.h" |
| #include "ui/wm/core/window_properties.h" |
| |
| namespace wm { |
| |
| typedef aura::test::AuraTestBase WindowUtilTest; |
| |
| // Test if the recreate layers does not recreate layers that have |
| // already been acquired. |
| TEST_F(WindowUtilTest, RecreateLayers) { |
| std::unique_ptr<aura::Window> window1( |
| aura::test::CreateTestWindowWithId(0, NULL)); |
| std::unique_ptr<aura::Window> window11( |
| aura::test::CreateTestWindowWithId(1, window1.get())); |
| std::unique_ptr<aura::Window> window12( |
| aura::test::CreateTestWindowWithId(2, window1.get())); |
| |
| ASSERT_EQ(2u, window1->layer()->children().size()); |
| |
| std::unique_ptr<ui::Layer> acquired(window11->AcquireLayer()); |
| EXPECT_TRUE(acquired.get()); |
| EXPECT_EQ(acquired.get(), window11->layer()); |
| |
| std::unique_ptr<ui::LayerTreeOwner> tree = wm::RecreateLayers(window1.get()); |
| |
| // The detached layer should not have the layer that has |
| // already been detached. |
| ASSERT_EQ(1u, tree->root()->children().size()); |
| // Child layer is new instance. |
| EXPECT_NE(window11->layer(), tree->root()->children()[0]); |
| EXPECT_NE(window12->layer(), tree->root()->children()[0]); |
| |
| // The original window should have both. |
| ASSERT_EQ(2u, window1->layer()->children().size()); |
| EXPECT_EQ(window11->layer(), window1->layer()->children()[0]); |
| EXPECT_EQ(window12->layer(), window1->layer()->children()[1]); |
| |
| // Delete the window before the acquired layer is deleted. |
| window11.reset(); |
| } |
| |
| // Test if map_func is correctly executed in RecreateLayerWithClosure. |
| TEST_F(WindowUtilTest, RecreateLayersWithClosure) { |
| std::unique_ptr<aura::Window> window1( |
| aura::test::CreateTestWindowWithId(0, NULL)); |
| std::unique_ptr<aura::Window> window11( |
| aura::test::CreateTestWindowWithId(1, window1.get())); |
| std::unique_ptr<aura::Window> window12( |
| aura::test::CreateTestWindowWithId(2, window1.get())); |
| |
| ASSERT_EQ(2u, window1->layer()->children().size()); |
| |
| auto tree_empty = wm::RecreateLayersWithClosure( |
| window1.get(), |
| base::BindRepeating( |
| [](const aura::Window* to_filter, |
| ui::LayerOwner* owner) -> std::unique_ptr<ui::Layer> { |
| if (owner->layer() == to_filter->layer()) |
| return nullptr; |
| return owner->RecreateLayer(); |
| }, |
| window1.get())); |
| |
| // The root is filtered. RecreateLayersWithClosure should return nullptr. |
| ASSERT_FALSE(tree_empty); |
| |
| auto tree = wm::RecreateLayersWithClosure( |
| window1.get(), |
| base::BindRepeating( |
| [](const aura::Window* to_filter, |
| ui::LayerOwner* owner) -> std::unique_ptr<ui::Layer> { |
| if (owner->layer() == to_filter->layer()) |
| return nullptr; |
| return owner->RecreateLayer(); |
| }, |
| window12.get())); |
| |
| ASSERT_TRUE(tree); |
| // window12 is filtered out in the above recreation logic. |
| ASSERT_EQ(1u, tree->root()->children().size()); |
| // Child layer is new instance. |
| EXPECT_NE(window11->layer(), tree->root()->children()[0]); |
| |
| // The original window should have both. |
| ASSERT_EQ(2u, window1->layer()->children().size()); |
| EXPECT_EQ(window11->layer(), window1->layer()->children()[0]); |
| EXPECT_EQ(window12->layer(), window1->layer()->children()[1]); |
| } |
| |
| } // namespace wm |