| // Copyright (c) 2012 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/layout/box_layout.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/views/test/test_views.h" |
| #include "ui/views/view.h" |
| |
| namespace views { |
| |
| namespace { |
| |
| class BoxLayoutTest : public testing::Test { |
| public: |
| virtual void SetUp() OVERRIDE { |
| host_.reset(new View); |
| } |
| |
| scoped_ptr<View> host_; |
| scoped_ptr<BoxLayout> layout_; |
| }; |
| |
| } // namespace |
| |
| TEST_F(BoxLayoutTest, Empty) { |
| layout_.reset(new BoxLayout(BoxLayout::kHorizontal, 10, 10, 20)); |
| EXPECT_EQ(gfx::Size(20, 20), layout_->GetPreferredSize(host_.get())); |
| } |
| |
| TEST_F(BoxLayoutTest, AlignmentHorizontal) { |
| layout_.reset(new BoxLayout(BoxLayout::kHorizontal, 0, 0, 0)); |
| View* v1 = new StaticSizedView(gfx::Size(10, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(20, 20), layout_->GetPreferredSize(host_.get())); |
| host_->SetBounds(0, 0, 20, 20); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(0, 0, 10, 20), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(10, 0, 10, 20), v2->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, AlignmentVertical) { |
| layout_.reset(new BoxLayout(BoxLayout::kVertical, 0, 0, 0)); |
| View* v1 = new StaticSizedView(gfx::Size(20, 10)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(20, 20), layout_->GetPreferredSize(host_.get())); |
| host_->SetBounds(0, 0, 20, 20); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(0, 0, 20, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(0, 10, 20, 10), v2->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, SetInsideBorderInsets) { |
| layout_.reset(new BoxLayout(BoxLayout::kHorizontal, 10, 20, 0)); |
| View* v1 = new StaticSizedView(gfx::Size(10, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(40, 60), layout_->GetPreferredSize(host_.get())); |
| host_->SetBounds(0, 0, 40, 60); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(10, 20, 10, 20), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(20, 20, 10, 20), v2->bounds()); |
| |
| layout_->set_inside_border_insets( |
| gfx::Insets(5, 10, 15, 20)); |
| EXPECT_EQ(gfx::Size(50, 40), layout_->GetPreferredSize(host_.get())); |
| host_->SetBounds(0, 0, 50, 40); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(10, 5, 10, 20), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(20, 5, 10, 20), v2->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, Spacing) { |
| layout_.reset(new BoxLayout(BoxLayout::kHorizontal, 7, 7, 8)); |
| View* v1 = new StaticSizedView(gfx::Size(10, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 20)); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(42, 34), layout_->GetPreferredSize(host_.get())); |
| host_->SetBounds(0, 0, 100, 100); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(7, 7, 10, 86), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(25, 7, 10, 86), v2->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, Overflow) { |
| layout_.reset(new BoxLayout(BoxLayout::kHorizontal, 0, 0, 0)); |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 20)); |
| host_->AddChildView(v2); |
| host_->SetBounds(0, 0, 10, 10); |
| |
| // Overflows by positioning views at the start and truncating anything that |
| // doesn't fit. |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(0, 0, 10, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(0, 0, 0, 0), v2->bounds()); |
| |
| // All values of main axis alignment should overflow in the same manner. |
| layout_->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_START); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(0, 0, 10, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(0, 0, 0, 0), v2->bounds()); |
| |
| layout_->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(0, 0, 10, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(0, 0, 0, 0), v2->bounds()); |
| |
| layout_->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_END); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(0, 0, 10, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(0, 0, 0, 0), v2->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, NoSpace) { |
| layout_.reset(new BoxLayout(BoxLayout::kHorizontal, 10, 10, 10)); |
| View* childView = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(childView); |
| host_->SetBounds(0, 0, 10, 10); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(0, 0, 0, 0), childView->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, InvisibleChild) { |
| layout_.reset(new BoxLayout(BoxLayout::kHorizontal, 10, 10, 10)); |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| v1->SetVisible(false); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(30, 30), layout_->GetPreferredSize(host_.get())); |
| host_->SetBounds(0, 0, 30, 30); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(10, 10, 10, 10), v2->bounds()); |
| } |
| |
| TEST_F(BoxLayoutTest, MainAxisAlignmentFill) { |
| layout_.reset(new BoxLayout(BoxLayout::kHorizontal, 10, 10, 10)); |
| layout_->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_FILL); |
| |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(60, 40), layout_->GetPreferredSize(host_.get())); |
| |
| host_->SetBounds(0, 0, 100, 40); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(10, 10, 40, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(60, 10, 30, 20).ToString(), v2->bounds().ToString()); |
| } |
| |
| TEST_F(BoxLayoutTest, UseHeightForWidth) { |
| layout_.reset(new BoxLayout(BoxLayout::kVertical, 0, 0, 0)); |
| View* v1 = new StaticSizedView(gfx::Size(20, 10)); |
| host_->AddChildView(v1); |
| View* v2 = new ProportionallySizedView(2); |
| host_->AddChildView(v2); |
| EXPECT_EQ(gfx::Size(20, 50), layout_->GetPreferredSize(host_.get())); |
| |
| host_->SetBounds(0, 0, 20, 50); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(0, 0, 20, 10), v1->bounds()); |
| EXPECT_EQ(gfx::Rect(0, 10, 20, 40), v2->bounds()); |
| |
| EXPECT_EQ(110, layout_->GetPreferredHeightForWidth(host_.get(), 50)); |
| } |
| |
| TEST_F(BoxLayoutTest, EmptyPreferredSize) { |
| for (size_t i = 0; i < 2; i++) { |
| BoxLayout::Orientation orientation = i == 0 ? BoxLayout::kHorizontal : |
| BoxLayout::kVertical; |
| host_->RemoveAllChildViews(true); |
| host_->SetLayoutManager(new BoxLayout(orientation, 0, 0, 5)); |
| View* v1 = new StaticSizedView(gfx::Size()); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| host_->SizeToPreferredSize(); |
| host_->Layout(); |
| |
| EXPECT_EQ(v2->GetPreferredSize().width(), host_->bounds().width()) << i; |
| EXPECT_EQ(v2->GetPreferredSize().height(), host_->bounds().height()) << i; |
| EXPECT_EQ(v1->GetPreferredSize().width(), v1->bounds().width()) << i; |
| EXPECT_EQ(v1->GetPreferredSize().height(), v1->bounds().height()) << i; |
| EXPECT_EQ(v2->GetPreferredSize().width(), v2->bounds().width()) << i; |
| EXPECT_EQ(v2->GetPreferredSize().height(), v2->bounds().height()) << i; |
| } |
| } |
| |
| TEST_F(BoxLayoutTest, MainAxisAlignmentHorizontal) { |
| layout_.reset(new BoxLayout(BoxLayout::kHorizontal, 10, 10, 10)); |
| |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| |
| host_->SetBounds(0, 0, 100, 40); |
| |
| // Align children to the horizontal start by default. |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(40, 10, 10, 20).ToString(), v2->bounds().ToString()); |
| |
| // Ensure same results for MAIN_AXIS_ALIGNMENT_START. |
| layout_->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_START); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(40, 10, 10, 20).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the center horizontally. |
| layout_->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(30, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(60, 10, 10, 20).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the end of the host horizontally, accounting for the |
| // inside border spacing. |
| layout_->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_END); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(50, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(80, 10, 10, 20).ToString(), v2->bounds().ToString()); |
| } |
| |
| TEST_F(BoxLayoutTest, MainAxisAlignmentVertical) { |
| layout_.reset(new BoxLayout(BoxLayout::kVertical, 10, 10, 10)); |
| |
| View* v1 = new StaticSizedView(gfx::Size(20, 20)); |
| host_->AddChildView(v1); |
| View* v2 = new StaticSizedView(gfx::Size(10, 10)); |
| host_->AddChildView(v2); |
| |
| host_->SetBounds(0, 0, 40, 100); |
| |
| // Align children to the vertical start by default. |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 40, 20, 10).ToString(), v2->bounds().ToString()); |
| |
| // Ensure same results for MAIN_AXIS_ALIGNMENT_START. |
| layout_->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_START); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(10, 10, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 40, 20, 10).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the center vertically. |
| layout_->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(10, 30, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 60, 20, 10).ToString(), v2->bounds().ToString()); |
| |
| // Aligns children to the end of the host vertically, accounting for the |
| // inside border spacing. |
| layout_->set_main_axis_alignment(BoxLayout::MAIN_AXIS_ALIGNMENT_END); |
| layout_->Layout(host_.get()); |
| EXPECT_EQ(gfx::Rect(10, 50, 20, 20).ToString(), v1->bounds().ToString()); |
| EXPECT_EQ(gfx::Rect(10, 80, 20, 10).ToString(), v2->bounds().ToString()); |
| } |
| |
| } // namespace views |