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// Copyright 2013 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/corewm/window_util.h"
#include "ui/aura/root_window.h"
#include "ui/aura/test/aura_test_base.h"
#include "ui/aura/window.h"
#include "ui/compositor/test/test_layers.h"
#include "ui/views/view_constants_aura.h"
#include "ui/views/widget/widget.h"
class WindowUtilTest : public aura::test::AuraTestBase {
public:
WindowUtilTest() {
}
virtual ~WindowUtilTest() {
}
// Creates a widget of TYPE_CONTROL.
// The caller takes ownership of the returned widget.
views::Widget* CreateControlWidget(
aura::Window* parent,
const gfx::Rect& bounds) const WARN_UNUSED_RESULT {
views::Widget::InitParams params(views::Widget::InitParams::TYPE_CONTROL);
params.parent = parent;
params.bounds = bounds;
views::Widget* widget = new views::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.
views::View* CreateViewWithLayer(
const gfx::Rect& bounds,
const char* layer_name) const WARN_UNUSED_RESULT {
views::View* view = new views::View();
view->SetBoundsRect(bounds);
view->SetPaintToLayer(true);
view->layer()->set_name(layer_name);
return view;
}
private:
DISALLOW_COPY_AND_ASSIGN(WindowUtilTest);
};
// Test that RecreateWindowLayers() 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
TEST_F(WindowUtilTest, RecreateWindowLayers) {
views::Widget* w1 = CreateControlWidget(root_window(),
gfx::Rect(0, 0, 100, 100));
w1->GetNativeView()->layer()->set_name("w1");
views::View* v2 = new views::View();
v2->SetBounds(0, 1, 100, 101);
views::View* v3 = new views::View();
v3->SetBounds(0, 2, 100, 102);
views::View* w2_host_view = new views::View();
w1->GetRootView()->AddChildView(CreateViewWithLayer(
gfx::Rect(0, 3, 100, 103), "v1"));
w1->GetRootView()->AddChildView(v2);
v2->AddChildView(v3);
v2->AddChildView(CreateViewWithLayer(gfx::Rect(0, 4, 100, 104), "v4"));
w1->GetRootView()->AddChildView(w2_host_view);
w1->GetRootView()->AddChildView(CreateViewWithLayer(
gfx::Rect(0, 4, 100, 104), "v7"));
views::Widget* w2 = CreateControlWidget(w1->GetNativeView(),
gfx::Rect(0, 5, 100, 105));
w2->GetNativeView()->layer()->set_name("w2");
w2->GetNativeView()->SetProperty(views::kHostViewKey, w2_host_view);
views::View* v5 = CreateViewWithLayer(gfx::Rect(0, 6, 100, 106), "v5");
w2->GetRootView()->AddChildView(v5);
v5->AddChildView(CreateViewWithLayer(gfx::Rect(0, 7, 100, 107), "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));
w1_layer = views::corewm::RecreateWindowLayers(w1->GetNativeView(), false);
// The order of the layers returned by RecreateWindowLayers() should match the
// order of the layers prior to calling RecreateWindowLayers().
ASSERT_EQ("w1", w1_layer->name());
ASSERT_EQ("v1 v4 w2 v7", ui::test::ChildLayerNamesAsString(*w1_layer));
w2_layer = w1_layer->children()[2];
ASSERT_EQ("v5", ui::test::ChildLayerNamesAsString(*w2_layer));
v5_layer = w2_layer->children()[0];
ASSERT_EQ("v6", ui::test::ChildLayerNamesAsString(*v5_layer));
views::corewm::DeepDeleteLayers(w1_layer);
// The views and the widgets are destroyed when AuraTestHelper::TearDown()
// destroys root_window().
}
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