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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/wm/core/transient_window_stacking_client.h"
#include <memory>
#include "ui/aura/test/aura_test_base.h"
#include "ui/aura/test/test_windows.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/test/test_layers.h"
#include "ui/wm/core/window_util.h"
using aura::test::ChildWindowIDsAsString;
using aura::test::CreateTestWindowWithId;
using aura::Window;
namespace wm {
class TransientWindowStackingClientTest : public aura::test::AuraTestBase {
public:
TransientWindowStackingClientTest() {}
TransientWindowStackingClientTest(const TransientWindowStackingClientTest&) =
delete;
TransientWindowStackingClientTest& operator=(
const TransientWindowStackingClientTest&) = delete;
~TransientWindowStackingClientTest() override {}
void SetUp() override {
AuraTestBase::SetUp();
client_ = std::make_unique<TransientWindowStackingClient>();
aura::client::SetWindowStackingClient(client_.get());
}
void TearDown() override {
aura::client::SetWindowStackingClient(NULL);
AuraTestBase::TearDown();
}
private:
std::unique_ptr<TransientWindowStackingClient> client_;
};
// Tests that transient children are stacked as a unit when using stack above.
TEST_F(TransientWindowStackingClientTest, TransientChildrenGroupAbove) {
std::unique_ptr<Window> parent(CreateTestWindowWithId(0, root_window()));
std::unique_ptr<Window> w1(CreateTestWindowWithId(1, parent.get()));
Window* w11 = CreateTestWindowWithId(11, parent.get());
std::unique_ptr<Window> w2(CreateTestWindowWithId(2, parent.get()));
Window* w21 = CreateTestWindowWithId(21, parent.get());
Window* w211 = CreateTestWindowWithId(211, parent.get());
Window* w212 = CreateTestWindowWithId(212, parent.get());
Window* w213 = CreateTestWindowWithId(213, parent.get());
Window* w22 = CreateTestWindowWithId(22, parent.get());
ASSERT_EQ(8u, parent->children().size());
AddTransientChild(w1.get(), w11); // w11 is now owned by w1.
AddTransientChild(w2.get(), w21); // w21 is now owned by w2.
AddTransientChild(w2.get(), w22); // w22 is now owned by w2.
AddTransientChild(w21, w211); // w211 is now owned by w21.
AddTransientChild(w21, w212); // w212 is now owned by w21.
AddTransientChild(w21, w213); // w213 is now owned by w21.
EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
// Stack w1 at the top (end), this should force w11 to be last (on top of w1).
parent->StackChildAtTop(w1.get());
EXPECT_EQ(w11, parent->children().back());
EXPECT_EQ("2 21 211 212 213 22 1 11", ChildWindowIDsAsString(parent.get()));
// This tests that the order in children_ array rather than in
// transient_children_ array is used when reinserting transient children.
// If transient_children_ array was used '22' would be following '21'.
parent->StackChildAtTop(w2.get());
EXPECT_EQ(w22, parent->children().back());
EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
parent->StackChildAbove(w11, w2.get());
EXPECT_EQ(w11, parent->children().back());
EXPECT_EQ("2 21 211 212 213 22 1 11", ChildWindowIDsAsString(parent.get()));
parent->StackChildAbove(w21, w1.get());
EXPECT_EQ(w22, parent->children().back());
EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
parent->StackChildAbove(w21, w22);
EXPECT_EQ(w213, parent->children().back());
EXPECT_EQ("1 11 2 22 21 211 212 213", ChildWindowIDsAsString(parent.get()));
parent->StackChildAbove(w11, w21);
EXPECT_EQ(w11, parent->children().back());
EXPECT_EQ("2 22 21 211 212 213 1 11", ChildWindowIDsAsString(parent.get()));
parent->StackChildAbove(w213, w21);
EXPECT_EQ(w11, parent->children().back());
EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
// No change when stacking a transient parent above its transient child.
parent->StackChildAbove(w21, w211);
EXPECT_EQ(w11, parent->children().back());
EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
// This tests that the order in children_ array rather than in
// transient_children_ array is used when reinserting transient children.
// If transient_children_ array was used '22' would be following '21'.
parent->StackChildAbove(w2.get(), w1.get());
EXPECT_EQ(w212, parent->children().back());
EXPECT_EQ("1 11 2 22 21 213 211 212", ChildWindowIDsAsString(parent.get()));
parent->StackChildAbove(w11, w213);
EXPECT_EQ(w11, parent->children().back());
EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
}
// Tests that transient children are stacked as a unit when using stack below.
TEST_F(TransientWindowStackingClientTest, TransientChildrenGroupBelow) {
std::unique_ptr<Window> parent(CreateTestWindowWithId(0, root_window()));
std::unique_ptr<Window> w1(CreateTestWindowWithId(1, parent.get()));
Window* w11 = CreateTestWindowWithId(11, parent.get());
std::unique_ptr<Window> w2(CreateTestWindowWithId(2, parent.get()));
Window* w21 = CreateTestWindowWithId(21, parent.get());
Window* w211 = CreateTestWindowWithId(211, parent.get());
Window* w212 = CreateTestWindowWithId(212, parent.get());
Window* w213 = CreateTestWindowWithId(213, parent.get());
Window* w22 = CreateTestWindowWithId(22, parent.get());
ASSERT_EQ(8u, parent->children().size());
AddTransientChild(w1.get(), w11); // w11 is now owned by w1.
AddTransientChild(w2.get(), w21); // w21 is now owned by w2.
AddTransientChild(w2.get(), w22); // w22 is now owned by w2.
AddTransientChild(w21, w211); // w211 is now owned by w21.
AddTransientChild(w21, w212); // w212 is now owned by w21.
AddTransientChild(w21, w213); // w213 is now owned by w21.
EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
// Stack w2 at the bottom, this should force w11 to be last (on top of w1).
// This also tests that the order in children_ array rather than in
// transient_children_ array is used when reinserting transient children.
// If transient_children_ array was used '22' would be following '21'.
parent->StackChildAtBottom(w2.get());
EXPECT_EQ(w11, parent->children().back());
EXPECT_EQ("2 21 211 212 213 22 1 11", ChildWindowIDsAsString(parent.get()));
parent->StackChildAtBottom(w1.get());
EXPECT_EQ(w22, parent->children().back());
EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
parent->StackChildBelow(w21, w1.get());
EXPECT_EQ(w11, parent->children().back());
EXPECT_EQ("2 21 211 212 213 22 1 11", ChildWindowIDsAsString(parent.get()));
parent->StackChildBelow(w11, w2.get());
EXPECT_EQ(w22, parent->children().back());
EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
parent->StackChildBelow(w22, w21);
EXPECT_EQ(w213, parent->children().back());
EXPECT_EQ("1 11 2 22 21 211 212 213", ChildWindowIDsAsString(parent.get()));
parent->StackChildBelow(w21, w11);
EXPECT_EQ(w11, parent->children().back());
EXPECT_EQ("2 22 21 211 212 213 1 11", ChildWindowIDsAsString(parent.get()));
parent->StackChildBelow(w213, w211);
EXPECT_EQ(w11, parent->children().back());
EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
// No change when stacking a transient parent below its transient child.
parent->StackChildBelow(w21, w211);
EXPECT_EQ(w11, parent->children().back());
EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
parent->StackChildBelow(w1.get(), w2.get());
EXPECT_EQ(w212, parent->children().back());
EXPECT_EQ("1 11 2 22 21 213 211 212", ChildWindowIDsAsString(parent.get()));
parent->StackChildBelow(w213, w11);
EXPECT_EQ(w11, parent->children().back());
EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
}
// Tests that windows can be stacked above windows with a NULL layer delegate.
// Windows have a NULL layer delegate when they are in the process of closing.
// See crbug.com/443433
TEST_F(TransientWindowStackingClientTest,
StackAboveWindowWithNULLLayerDelegate) {
std::unique_ptr<Window> parent(CreateTestWindowWithId(0, root_window()));
std::unique_ptr<Window> w1(CreateTestWindowWithId(1, parent.get()));
std::unique_ptr<Window> w2(CreateTestWindowWithId(2, parent.get()));
w2->layer()->set_delegate(NULL);
EXPECT_EQ(w2.get(), parent->children().back());
parent->StackChildAbove(w1.get(), w2.get());
EXPECT_EQ(w1.get(), parent->children().back());
}
} // namespace wm
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