BoxLayout now suports per-view margins.

ui/views/layout/box_layout_unittest.cc

 // 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 <stddef.h>
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/views/test/test_views.h"
 #include "ui/views/view.h"
+#include "ui/views/view_properties.h"
 
 namespace views {
 
 namespace {
 
 class BoxLayoutTest : public testing::Test {
  public:
   void SetUp() override { host_.reset(new View); }
 
   std::unique_ptr<View> host_;
@@ skipping 608 matching lines @@
 TEST_F(BoxLayoutTest, MinimumCrossAxisHorizontal) {
   BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal);
   host_->SetLayoutManager(layout);
   View* v1 = new StaticSizedView(gfx::Size(20, 10));
   host_->AddChildView(v1);
   layout->set_minimum_cross_axis_size(30);
 
   EXPECT_EQ(gfx::Size(20, 30), layout->GetPreferredSize(host_.get()));
 }
 
+TEST_F(BoxLayoutTest, MarginsUncollapsedHorizontal) {
+  BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal);
+  host_->SetLayoutManager(layout);
+  View* v1 = new StaticSizedView(gfx::Size(20, 10));
+  v1->SetProperty(kMarginsKey, new gfx::Insets(5, 5, 5, 5));
+  host_->AddChildView(v1);
+  View* v2 = new StaticSizedView(gfx::Size(20, 10));
+  v2->SetProperty(kMarginsKey, new gfx::Insets(6, 4, 6, 4));
+  host_->AddChildView(v2);
+
+  EXPECT_EQ(gfx::Size(58, 22), layout->GetPreferredSize(host_.get()));
+  host_->SizeToPreferredSize();
+  layout->Layout(host_.get());
+  EXPECT_EQ(gfx::Rect(5, 5, 20, 12), v1->bounds());
+  EXPECT_EQ(gfx::Rect(34, 6, 20, 10), v2->bounds());
+}
+
+TEST_F(BoxLayoutTest, MarginsCollapsedHorizontal) {
+  BoxLayout* layout =
+      new BoxLayout(BoxLayout::kHorizontal, gfx::Insets(0, 0), 0, true);
+  host_->SetLayoutManager(layout);
+  View* v1 = new StaticSizedView(gfx::Size(20, 10));
+  v1->SetProperty(kMarginsKey, new gfx::Insets(5, 5, 5, 5));
+  host_->AddChildView(v1);
+  View* v2 = new StaticSizedView(gfx::Size(20, 10));
+  v2->SetProperty(kMarginsKey, new gfx::Insets(6, 4, 6, 4));
+  host_->AddChildView(v2);
+
+  EXPECT_EQ(gfx::Size(54, 22), layout->GetPreferredSize(host_.get()));
+  host_->SizeToPreferredSize();
+  layout->Layout(host_.get());
+  EXPECT_EQ(gfx::Rect(5, 5, 20, 12), v1->bounds());
+  EXPECT_EQ(gfx::Rect(30, 6, 20, 10), v2->bounds());
+}
+
+TEST_F(BoxLayoutTest, MarginsUncollapsedVertical) {
+  BoxLayout* layout = new BoxLayout(BoxLayout::kVertical);
+  host_->SetLayoutManager(layout);
+  View* v1 = new StaticSizedView(gfx::Size(20, 10));
+  v1->SetProperty(kMarginsKey, new gfx::Insets(5, 5, 5, 5));
+  host_->AddChildView(v1);
+  View* v2 = new StaticSizedView(gfx::Size(20, 10));
+  v2->SetProperty(kMarginsKey, new gfx::Insets(6, 4, 6, 4));
+  host_->AddChildView(v2);
+
+  EXPECT_EQ(gfx::Size(30, 42), layout->GetPreferredSize(host_.get()));
+  host_->SizeToPreferredSize();
+  layout->Layout(host_.get());
+  EXPECT_EQ(gfx::Rect(5, 5, 20, 10), v1->bounds());
+  EXPECT_EQ(gfx::Rect(4, 26, 22, 10), v2->bounds());
+}
+
+TEST_F(BoxLayoutTest, MarginsCollapsedVertical) {
+  BoxLayout* layout =
+      new BoxLayout(BoxLayout::kVertical, gfx::Insets(0, 0), 0, true);
+  host_->SetLayoutManager(layout);
+  View* v1 = new StaticSizedView(gfx::Size(20, 10));
+  v1->SetProperty(kMarginsKey, new gfx::Insets(5, 5, 5, 5));
+  host_->AddChildView(v1);
+  View* v2 = new StaticSizedView(gfx::Size(20, 10));
+  v2->SetProperty(kMarginsKey, new gfx::Insets(6, 4, 6, 4));
+  host_->AddChildView(v2);
+
+  EXPECT_EQ(gfx::Size(30, 37), layout->GetPreferredSize(host_.get()));
+  host_->SizeToPreferredSize();
+  layout->Layout(host_.get());
+  EXPECT_EQ(gfx::Rect(5, 5, 20, 10), v1->bounds());
+  EXPECT_EQ(gfx::Rect(4, 21, 22, 10), v2->bounds());
+}
+
+TEST_F(BoxLayoutTest, UnbalancedMarginsUncollapsedHorizontal) {
+  BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal);
+  layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_CENTER);
+  host_->SetLayoutManager(layout);
+  View* v1 = new StaticSizedView(gfx::Size(20, 10));
+  v1->SetProperty(kMarginsKey, new gfx::Insets(5, 5, 4, 4));
+  host_->AddChildView(v1);
+  View* v2 = new StaticSizedView(gfx::Size(20, 10));
+  v2->SetProperty(kMarginsKey, new gfx::Insets(6, 4, 3, 6));
+  host_->AddChildView(v2);
+
+  EXPECT_EQ(gfx::Size(59, 20), layout->GetPreferredSize(host_.get()));
+  host_->SizeToPreferredSize();
+  layout->Layout(host_.get());
+  EXPECT_EQ(gfx::Rect(5, 5, 20, 10), v1->bounds());
+  EXPECT_EQ(gfx::Rect(33, 6, 20, 10), v2->bounds());
+}
+
+TEST_F(BoxLayoutTest, UnbalancedMarginsCollapsedHorizontal) {
+  BoxLayout* layout =
+      new BoxLayout(BoxLayout::kHorizontal, gfx::Insets(0, 0), 0, true);
+  layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_CENTER);
+  host_->SetLayoutManager(layout);
+  View* v1 = new StaticSizedView(gfx::Size(20, 10));
+  v1->SetProperty(kMarginsKey, new gfx::Insets(5, 5, 4, 4));
+  host_->AddChildView(v1);
+  View* v2 = new StaticSizedView(gfx::Size(20, 10));
+  v2->SetProperty(kMarginsKey, new gfx::Insets(6, 4, 3, 6));
+  host_->AddChildView(v2);
+
+  EXPECT_EQ(gfx::Size(55, 20), layout->GetPreferredSize(host_.get()));
+  host_->SizeToPreferredSize();
+  layout->Layout(host_.get());
+  EXPECT_EQ(gfx::Rect(5, 5, 20, 10), v1->bounds());
+  EXPECT_EQ(gfx::Rect(29, 6, 20, 10), v2->bounds());
+}
+
+TEST_F(BoxLayoutTest, UnbalancedMarginsUncollapsedVertical) {
+  BoxLayout* layout = new BoxLayout(BoxLayout::kVertical);
+  layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_CENTER);
+  host_->SetLayoutManager(layout);
+  View* v1 = new StaticSizedView(gfx::Size(20, 10));
+  v1->SetProperty(kMarginsKey, new gfx::Insets(4, 5, 5, 3));
+  host_->AddChildView(v1);
+  View* v2 = new StaticSizedView(gfx::Size(20, 10));
+  v2->SetProperty(kMarginsKey, new gfx::Insets(6, 4, 3, 5));
+  host_->AddChildView(v2);
+
+  EXPECT_EQ(gfx::Size(30, 38), layout->GetPreferredSize(host_.get()));
+  host_->SizeToPreferredSize();
+  layout->Layout(host_.get());
+  EXPECT_EQ(gfx::Rect(5, 4, 20, 10), v1->bounds());
+  EXPECT_EQ(gfx::Rect(5, 25, 20, 10), v2->bounds());
+}
+
+TEST_F(BoxLayoutTest, UnbalancedMarginsCollapsedVertical) {
+  BoxLayout* layout =
+      new BoxLayout(BoxLayout::kVertical, gfx::Insets(0, 0), 0, true);
+  layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_CENTER);
+  host_->SetLayoutManager(layout);
+  View* v1 = new StaticSizedView(gfx::Size(20, 10));
+  v1->SetProperty(kMarginsKey, new gfx::Insets(4, 5, 5, 3));
+  host_->AddChildView(v1);
+  View* v2 = new StaticSizedView(gfx::Size(20, 10));
+  v2->SetProperty(kMarginsKey, new gfx::Insets(6, 4, 3, 5));
+  host_->AddChildView(v2);
+
+  EXPECT_EQ(gfx::Size(30, 33), layout->GetPreferredSize(host_.get()));
+  host_->SizeToPreferredSize();
+  layout->Layout(host_.get());
+  EXPECT_EQ(gfx::Rect(5, 4, 20, 10), v1->bounds());
+  EXPECT_EQ(gfx::Rect(5, 20, 20, 10), v2->bounds());
+}
+
+TEST_F(BoxLayoutTest, OverlappingCrossMarginsAlignEnd) {
+  {
+    BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal);
+    host_->SetLayoutManager(layout);
+    layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_END);
+    View* v1 = new StaticSizedView(gfx::Size(20, 4));
+    v1->SetProperty(kMarginsKey, new gfx::Insets(3, 0, 0, 0));
+    host_->AddChildView(v1);
+    View* v2 = new StaticSizedView(gfx::Size(20, 5));
+    v2->SetProperty(kMarginsKey, new gfx::Insets(0, 0, 2, 0));
+    host_->AddChildView(v2);
+
+    EXPECT_EQ(9, layout->GetPreferredSize(host_.get()).height());
+  }
+  host_->RemoveAllChildViews(true);
+  {
+    BoxLayout* layout =
+        new BoxLayout(BoxLayout::kHorizontal, gfx::Insets(0, 0), 0, true);
+    host_->SetLayoutManager(layout);
+    layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_END);
+    View* v1 = new StaticSizedView(gfx::Size(20, 4));
+    v1->SetProperty(kMarginsKey, new gfx::Insets(3, 0, 0, 0));
+    host_->AddChildView(v1);
+    View* v2 = new StaticSizedView(gfx::Size(20, 5));
+    v2->SetProperty(kMarginsKey, new gfx::Insets(0, 0, 2, 0));
+    host_->AddChildView(v2);
+
+    EXPECT_EQ(9, layout->GetPreferredSize(host_.get()).height());
+  }
+}
+
+TEST_F(BoxLayoutTest, OverlappingCrossMarginsAlignStretch) {
+  {
+    BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal);
+    host_->SetLayoutManager(layout);
+    layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_STRETCH);
+    View* v1 = new StaticSizedView(gfx::Size(20, 4));
+    v1->SetProperty(kMarginsKey, new gfx::Insets(3, 0, 0, 0));
+    host_->AddChildView(v1);
+    View* v2 = new StaticSizedView(gfx::Size(20, 5));
+    v2->SetProperty(kMarginsKey, new gfx::Insets(0, 0, 2, 0));
+    host_->AddChildView(v2);
+
+    EXPECT_EQ(10, layout->GetPreferredSize(host_.get()).height());
+  }
+  host_->RemoveAllChildViews(true);
+  {
+    BoxLayout* layout =
+        new BoxLayout(BoxLayout::kHorizontal, gfx::Insets(0, 0), 0, true);
+    host_->SetLayoutManager(layout);
+    layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_STRETCH);
+    View* v1 = new StaticSizedView(gfx::Size(20, 4));
+    v1->SetProperty(kMarginsKey, new gfx::Insets(3, 0, 0, 0));
+    host_->AddChildView(v1);
+    View* v2 = new StaticSizedView(gfx::Size(20, 5));
+    v2->SetProperty(kMarginsKey, new gfx::Insets(0, 0, 2, 0));
+    host_->AddChildView(v2);
+
+    EXPECT_EQ(10, layout->GetPreferredSize(host_.get()).height());
+  }
+}
+
+TEST_F(BoxLayoutTest, OverlappingCrossMarginsAlignStart) {
+  {
+    BoxLayout* layout = new BoxLayout(BoxLayout::kHorizontal);
+    host_->SetLayoutManager(layout);
+    layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_START);
+    View* v1 = new StaticSizedView(gfx::Size(20, 4));
+    v1->SetProperty(kMarginsKey, new gfx::Insets(0, 0, 3, 0));
+    host_->AddChildView(v1);
+    View* v2 = new StaticSizedView(gfx::Size(20, 5));
+    v2->SetProperty(kMarginsKey, new gfx::Insets(2, 0, 0, 0));
+    host_->AddChildView(v2);
+
+    EXPECT_EQ(9, layout->GetPreferredSize(host_.get()).height());
+  }
+  host_->RemoveAllChildViews(true);
+  {
+    BoxLayout* layout =
+        new BoxLayout(BoxLayout::kHorizontal, gfx::Insets(0, 0), 0, true);
+    host_->SetLayoutManager(layout);
+    layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_START);
+    View* v1 = new StaticSizedView(gfx::Size(20, 4));
+    v1->SetProperty(kMarginsKey, new gfx::Insets(0, 0, 3, 0));
+    host_->AddChildView(v1);
+    View* v2 = new StaticSizedView(gfx::Size(20, 5));
+    v2->SetProperty(kMarginsKey, new gfx::Insets(2, 0, 0, 0));
+    host_->AddChildView(v2);
+
+    EXPECT_EQ(9, layout->GetPreferredSize(host_.get()).height());
+  }
+}
+
 }  // namespace views