src/ui/views/view_unittest_aura.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/views/view.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "ui/aura/window.h"
   9 #include "ui/compositor/layer.h"
  10 #include "ui/compositor/layer_tree_owner.h"
  11 #include "ui/compositor/test/test_layers.h"
  12 #include "ui/gfx/geometry/rect.h"
  13 #include "ui/views/test/views_test_base.h"
  14 #include "ui/views/view_constants_aura.h"
  15 #include "ui/views/widget/widget.h"
  16 #include "ui/wm/core/window_util.h"
  17
  18 namespace views {
  19
  20 namespace {
  21
  22 // Creates a widget of TYPE_CONTROL.
  23 // The caller takes ownership of the returned widget.
  24 Widget* CreateControlWidget(aura::Window* parent, const gfx::Rect& bounds) {
  25   Widget::InitParams params(Widget::InitParams::TYPE_CONTROL);
  26   params.parent = parent;
  27   params.bounds = bounds;
  28   Widget* widget = new Widget();
  29   widget->Init(params);
  30   return widget;
  31 }
  32
  33 // Returns a view with a layer with the passed in |bounds| and |layer_name|.
  34 // The caller takes ownership of the returned view.
  35 View* CreateViewWithLayer(const gfx::Rect& bounds, const char* layer_name) {
  36   View* view = new View();
  37   view->SetBoundsRect(bounds);
  38   view->SetPaintToLayer(true);
  39   view->layer()->set_name(layer_name);
  40   return view;
  41 }
  42
  43 }  // namespace
  44
  45 typedef ViewsTestBase ViewAuraTest;
  46
  47 // Test that wm::RecreateLayers() recreates the layers for all child windows and
  48 // all child views and that the z-order of the recreated layers matches that of
  49 // the original layers.
  50 // Test hierarchy:
  51 // w1
  52 // +-- v1
  53 // +-- v2 (no layer)
  54 //     +-- v3 (no layer)
  55 //     +-- v4
  56 // +-- w2
  57 //     +-- v5
  58 //         +-- v6
  59 // +-- v7
  60 //     +-- v8
  61 //     +-- v9
  62 TEST_F(ViewAuraTest, RecreateLayersWithWindows) {
  63   Widget* w1 = CreateControlWidget(GetContext(), gfx::Rect(0, 0, 100, 100));
  64   w1->GetNativeView()->layer()->set_name("w1");
  65
  66   View* v2 = new View();
  67   v2->SetBounds(0, 1, 100, 101);
  68   View* v3 = new View();
  69   v3->SetBounds(0, 2, 100, 102);
  70   View* w2_host_view = new View();
  71
  72   View* v1 = CreateViewWithLayer(gfx::Rect(0, 3, 100, 103), "v1");
  73   ui::Layer* v1_layer = v1->layer();
  74   w1->GetRootView()->AddChildView(v1);
  75   w1->GetRootView()->AddChildView(v2);
  76   v2->AddChildView(v3);
  77   View* v4 = CreateViewWithLayer(gfx::Rect(0, 4, 100, 104), "v4");
  78   ui::Layer* v4_layer = v4->layer();
  79   v2->AddChildView(v4);
  80
  81   w1->GetRootView()->AddChildView(w2_host_view);
  82   View* v7 = CreateViewWithLayer(gfx::Rect(0, 4, 100, 104), "v7");
  83   ui::Layer* v7_layer = v7->layer();
  84   w1->GetRootView()->AddChildView(v7);
  85
  86   View* v8 = CreateViewWithLayer(gfx::Rect(0, 4, 100, 104), "v8");
  87   ui::Layer* v8_layer = v8->layer();
  88   v7->AddChildView(v8);
  89
  90   View* v9 = CreateViewWithLayer(gfx::Rect(0, 4, 100, 104), "v9");
  91   ui::Layer* v9_layer = v9->layer();
  92   v7->AddChildView(v9);
  93
  94   Widget* w2 =
  95       CreateControlWidget(w1->GetNativeView(), gfx::Rect(0, 5, 100, 105));
  96   w2->GetNativeView()->layer()->set_name("w2");
  97   w2->GetNativeView()->SetProperty(kHostViewKey, w2_host_view);
  98
  99   View* v5 = CreateViewWithLayer(gfx::Rect(0, 6, 100, 106), "v5");
 100   w2->GetRootView()->AddChildView(v5);
 101   View* v6 = CreateViewWithLayer(gfx::Rect(0, 7, 100, 107), "v6");
 102   ui::Layer* v6_layer = v6->layer();
 103   v5->AddChildView(v6);
 104
 105   // Test the initial order of the layers.
 106   ui::Layer* w1_layer = w1->GetNativeView()->layer();
 107   ASSERT_EQ("w1", w1_layer->name());
 108   ASSERT_EQ("v1 v4 w2 v7", ui::test::ChildLayerNamesAsString(*w1_layer));
 109   ui::Layer* w2_layer = w1_layer->children()[2];
 110   ASSERT_EQ("v5", ui::test::ChildLayerNamesAsString(*w2_layer));
 111   ui::Layer* v5_layer = w2_layer->children()[0];
 112   ASSERT_EQ("v6", ui::test::ChildLayerNamesAsString(*v5_layer));
 113
 114   {
 115     scoped_ptr<ui::LayerTreeOwner> cloned_owner(
 116         wm::RecreateLayers(w1->GetNativeView()));
 117     EXPECT_EQ(w1_layer, cloned_owner->root());
 118     EXPECT_NE(w1_layer, w1->GetNativeView()->layer());
 119
 120     // The old layers should still exist and have the same hierarchy.
 121     ASSERT_EQ("w1", w1_layer->name());
 122     ASSERT_EQ("v1 v4 w2 v7", ui::test::ChildLayerNamesAsString(*w1_layer));
 123     ASSERT_EQ("v5", ui::test::ChildLayerNamesAsString(*w2_layer));
 124     ASSERT_EQ("v6", ui::test::ChildLayerNamesAsString(*v5_layer));
 125     EXPECT_EQ("v8 v9", ui::test::ChildLayerNamesAsString(*v7_layer));
 126
 127     ASSERT_EQ(4u, w1_layer->children().size());
 128     EXPECT_EQ(v1_layer, w1_layer->children()[0]);
 129     EXPECT_EQ(v4_layer, w1_layer->children()[1]);
 130     EXPECT_EQ(w2_layer, w1_layer->children()[2]);
 131     EXPECT_EQ(v7_layer, w1_layer->children()[3]);
 132
 133     ASSERT_EQ(1u, w2_layer->children().size());
 134     EXPECT_EQ(v5_layer, w2_layer->children()[0]);
 135
 136     ASSERT_EQ(1u, v5_layer->children().size());
 137     EXPECT_EQ(v6_layer, v5_layer->children()[0]);
 138
 139     ASSERT_EQ(0u, v6_layer->children().size());
 140
 141     EXPECT_EQ(2u, v7_layer->children().size());
 142     EXPECT_EQ(v8_layer, v7_layer->children()[0]);
 143     EXPECT_EQ(v9_layer, v7_layer->children()[1]);
 144
 145     // The cloned layers should have the same hierarchy as old.
 146     ui::Layer* w1_new_layer = w1->GetNativeView()->layer();
 147     EXPECT_EQ("w1", w1_new_layer->name());
 148     ASSERT_EQ("v1 v4 w2 v7", ui::test::ChildLayerNamesAsString(*w1_new_layer));
 149     ui::Layer* w2_new_layer = w1_new_layer->children()[2];
 150     ASSERT_EQ("v5", ui::test::ChildLayerNamesAsString(*w2_new_layer));
 151     ui::Layer* v5_new_layer = w2_new_layer->children()[0];
 152     ASSERT_EQ("v6", ui::test::ChildLayerNamesAsString(*v5_new_layer));
 153     ui::Layer* v7_new_layer = w1_new_layer->children()[3];
 154     ASSERT_EQ("v8 v9", ui::test::ChildLayerNamesAsString(*v7_new_layer));
 155   }
 156   // The views and the widgets are destroyed when AuraTestHelper::TearDown()
 157   // destroys root_window().
 158 }
 159
 160 }  // namespace views