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1 // Copyright (c) 2011 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 "testing/gtest/include/gtest/gtest.h" | |
6 #include "third_party/skia/include/core/SkBitmap.h" | |
7 #include "ui/aura_shell/image_grid.h" | |
8 #include "ui/aura_shell/test/aura_shell_test_base.h" | |
9 #include "ui/gfx/image/image.h" | |
10 | |
11 using aura_shell::internal::ImageGrid; | |
12 | |
13 namespace aura_shell { | |
14 namespace test { | |
15 | |
16 namespace { | |
17 | |
18 // Creates a gfx::Image with the requested dimensions. | |
19 gfx::Image* CreateImage(const gfx::Size& size) { | |
20 SkBitmap* bitmap = new SkBitmap(); | |
21 bitmap->setConfig(SkBitmap::kARGB_8888_Config, size.width(), size.height()); | |
22 return new gfx::Image(bitmap); | |
23 } | |
24 | |
25 } // namespace | |
26 | |
27 typedef aura_shell::test::AuraShellTestBase ImageGridTest; | |
28 | |
29 // Test that an ImageGrid's layers are transformed correctly when SetSize() is | |
30 // called. | |
31 TEST_F(ImageGridTest, Basic) { | |
32 // Size of the images around the grid's border. | |
33 const int kBorder = 2; | |
34 | |
35 scoped_ptr<gfx::Image> image_1x1(CreateImage(gfx::Size(1, 1))); | |
36 scoped_ptr<gfx::Image> image_1xB(CreateImage(gfx::Size(1, kBorder))); | |
37 scoped_ptr<gfx::Image> image_Bx1(CreateImage(gfx::Size(kBorder, 1))); | |
38 scoped_ptr<gfx::Image> image_BxB(CreateImage(gfx::Size(kBorder, kBorder))); | |
39 | |
40 ImageGrid grid; | |
41 grid.Init(image_BxB.get(), image_1xB.get(), image_BxB.get(), | |
42 image_Bx1.get(), image_1x1.get(), image_Bx1.get(), | |
43 image_BxB.get(), image_1xB.get(), image_BxB.get()); | |
44 | |
45 ImageGrid::TestAPI test_api(&grid); | |
46 ASSERT_TRUE(test_api.top_left_layer() != NULL); | |
47 ASSERT_TRUE(test_api.top_layer() != NULL); | |
48 ASSERT_TRUE(test_api.top_right_layer() != NULL); | |
49 ASSERT_TRUE(test_api.left_layer() != NULL); | |
50 ASSERT_TRUE(test_api.center_layer() != NULL); | |
51 ASSERT_TRUE(test_api.right_layer() != NULL); | |
52 ASSERT_TRUE(test_api.bottom_left_layer() != NULL); | |
53 ASSERT_TRUE(test_api.bottom_layer() != NULL); | |
54 ASSERT_TRUE(test_api.bottom_right_layer() != NULL); | |
55 | |
56 const gfx::Size size(20, 30); | |
57 grid.SetSize(size); | |
58 | |
59 // The top-left layer should be flush with the top-left corner and unscaled. | |
60 EXPECT_EQ(gfx::Rect(0, 0, kBorder, kBorder).ToString(), | |
61 test_api.GetTransformedLayerBounds( | |
62 *test_api.top_left_layer()).ToString()); | |
63 | |
64 // The top layer should be flush with the top edge and stretched horizontally | |
65 // between the two top corners. | |
66 EXPECT_EQ(gfx::Rect( | |
67 kBorder, 0, size.width() - 2 * kBorder, kBorder).ToString(), | |
68 test_api.GetTransformedLayerBounds( | |
69 *test_api.top_layer()).ToString()); | |
70 | |
71 // The top-right layer should be flush with the top-right corner and unscaled. | |
72 EXPECT_EQ(gfx::Rect(size.width() - kBorder, 0, kBorder, kBorder).ToString(), | |
73 test_api.GetTransformedLayerBounds( | |
74 *test_api.top_right_layer()).ToString()); | |
75 | |
76 // The left layer should be flush with the left edge and stretched vertically | |
77 // between the two left corners. | |
78 EXPECT_EQ(gfx::Rect( | |
79 0, kBorder, kBorder, size.height() - 2 * kBorder).ToString(), | |
80 test_api.GetTransformedLayerBounds( | |
81 *test_api.left_layer()).ToString()); | |
82 | |
83 // The center layer should fill the space in the middle of the grid. | |
84 EXPECT_EQ(gfx::Rect( | |
85 kBorder, kBorder, size.width() - 2 * kBorder, | |
86 size.height() - 2 * kBorder).ToString(), | |
87 test_api.GetTransformedLayerBounds( | |
88 *test_api.center_layer()).ToString()); | |
89 | |
90 // The right layer should be flush with the right edge and stretched | |
91 // vertically between the two right corners. | |
92 EXPECT_EQ(gfx::Rect( | |
93 size.width() - kBorder, kBorder, | |
94 kBorder, size.height() - 2 * kBorder).ToString(), | |
95 test_api.GetTransformedLayerBounds( | |
96 *test_api.right_layer()).ToString()); | |
97 | |
98 // The bottom-left layer should be flush with the bottom-left corner and | |
99 // unscaled. | |
100 EXPECT_EQ(gfx::Rect(0, size.height() - kBorder, kBorder, kBorder).ToString(), | |
101 test_api.GetTransformedLayerBounds( | |
102 *test_api.bottom_left_layer()).ToString()); | |
103 | |
104 // The bottom layer should be flush with the bottom edge and stretched | |
105 // horizontally between the two bottom corners. | |
106 EXPECT_EQ(gfx::Rect( | |
107 kBorder, size.height() - kBorder, | |
108 size.width() - 2 * kBorder, kBorder).ToString(), | |
109 test_api.GetTransformedLayerBounds( | |
110 *test_api.bottom_layer()).ToString()); | |
111 | |
112 // The bottom-right layer should be flush with the bottom-right corner and | |
113 // unscaled. | |
114 EXPECT_EQ(gfx::Rect( | |
115 size.width() - kBorder, size.height() - kBorder, | |
116 kBorder, kBorder).ToString(), | |
117 test_api.GetTransformedLayerBounds( | |
118 *test_api.bottom_right_layer()).ToString()); | |
119 } | |
120 | |
121 // Check that we don't crash if only a single image is supplied. | |
122 TEST_F(ImageGridTest, SingleImage) { | |
123 const int kBorder = 1; | |
124 scoped_ptr<gfx::Image> image(CreateImage(gfx::Size(kBorder, kBorder))); | |
125 | |
126 ImageGrid grid; | |
127 grid.Init(NULL, image.get(), NULL, | |
128 NULL, NULL, NULL, | |
129 NULL, NULL, NULL); | |
130 | |
131 ImageGrid::TestAPI test_api(&grid); | |
132 EXPECT_TRUE(test_api.top_left_layer() == NULL); | |
133 ASSERT_TRUE(test_api.top_layer() != NULL); | |
134 EXPECT_TRUE(test_api.top_right_layer() == NULL); | |
135 EXPECT_TRUE(test_api.left_layer() == NULL); | |
136 EXPECT_TRUE(test_api.center_layer() == NULL); | |
137 EXPECT_TRUE(test_api.right_layer() == NULL); | |
138 EXPECT_TRUE(test_api.bottom_left_layer() == NULL); | |
139 EXPECT_TRUE(test_api.bottom_layer() == NULL); | |
140 EXPECT_TRUE(test_api.bottom_right_layer() == NULL); | |
141 | |
142 const gfx::Size kSize(10, 10); | |
143 grid.SetSize(kSize); | |
144 | |
145 // The top layer should be scaled horizontally across the entire width, but it | |
146 // shouldn't be scaled vertically. | |
147 EXPECT_EQ(gfx::Rect(0, 0, kSize.width(), kBorder).ToString(), | |
148 test_api.GetTransformedLayerBounds( | |
149 *test_api.top_layer()).ToString()); | |
150 } | |
151 | |
152 // Test that side (top, left, right, bottom) layers that are narrower than their | |
153 // adjacent corner layers stay pinned to the outside edges instead of getting | |
154 // moved inwards or scaled. This exercises the scenario used for shadows. | |
155 TEST_F(ImageGridTest, SmallerSides) { | |
156 const int kCorner = 2; | |
157 const int kEdge = 1; | |
158 | |
159 scoped_ptr<gfx::Image> top_left_image( | |
160 CreateImage(gfx::Size(kCorner, kCorner))); | |
161 scoped_ptr<gfx::Image> top_image(CreateImage(gfx::Size(kEdge, kEdge))); | |
162 scoped_ptr<gfx::Image> top_right_image( | |
163 CreateImage(gfx::Size(kCorner, kCorner))); | |
164 scoped_ptr<gfx::Image> left_image(CreateImage(gfx::Size(kEdge, kEdge))); | |
165 scoped_ptr<gfx::Image> right_image(CreateImage(gfx::Size(kEdge, kEdge))); | |
166 | |
167 ImageGrid grid; | |
168 grid.Init(top_left_image.get(), top_image.get(), top_right_image.get(), | |
169 left_image.get(), NULL, right_image.get(), | |
170 NULL, NULL, NULL); | |
171 ImageGrid::TestAPI test_api(&grid); | |
172 | |
173 const gfx::Size kSize(20, 30); | |
174 grid.SetSize(kSize); | |
175 | |
176 // The top layer should be flush with the top edge and stretched horizontally | |
177 // between the two top corners. | |
178 EXPECT_EQ(gfx::Rect( | |
179 kCorner, 0, kSize.width() - 2 * kCorner, kEdge).ToString(), | |
180 test_api.GetTransformedLayerBounds( | |
181 *test_api.top_layer()).ToString()); | |
182 | |
183 // The left layer should be flush with the left edge and stretched vertically | |
184 // between the top left corner and the bottom. | |
185 EXPECT_EQ(gfx::Rect( | |
186 0, kCorner, kEdge, kSize.height() - kCorner).ToString(), | |
187 test_api.GetTransformedLayerBounds( | |
188 *test_api.left_layer()).ToString()); | |
189 | |
190 // The right layer should be flush with the right edge and stretched | |
191 // vertically between the top right corner and the bottom. | |
192 EXPECT_EQ(gfx::Rect( | |
193 kSize.width() - kEdge, kCorner, | |
194 kEdge, kSize.height() - kCorner).ToString(), | |
195 test_api.GetTransformedLayerBounds( | |
196 *test_api.right_layer()).ToString()); | |
197 } | |
198 | |
199 // Test that we hide or clip layers as needed when the grid is assigned a small | |
200 // size. | |
201 TEST_F(ImageGridTest, TooSmall) { | |
202 const int kCorner = 5; | |
203 const int kCenter = 3; | |
204 const int kEdge = 3; | |
205 | |
206 scoped_ptr<gfx::Image> top_left_image( | |
207 CreateImage(gfx::Size(kCorner, kCorner))); | |
208 scoped_ptr<gfx::Image> top_image(CreateImage(gfx::Size(kEdge, kEdge))); | |
209 scoped_ptr<gfx::Image> top_right_image( | |
210 CreateImage(gfx::Size(kCorner, kCorner))); | |
211 scoped_ptr<gfx::Image> left_image(CreateImage(gfx::Size(kEdge, kEdge))); | |
212 scoped_ptr<gfx::Image> center_image(CreateImage(gfx::Size(kCenter, kCenter))); | |
213 scoped_ptr<gfx::Image> right_image(CreateImage(gfx::Size(kEdge, kEdge))); | |
214 scoped_ptr<gfx::Image> bottom_left_image( | |
215 CreateImage(gfx::Size(kCorner, kCorner))); | |
216 scoped_ptr<gfx::Image> bottom_image(CreateImage(gfx::Size(kEdge, kEdge))); | |
217 scoped_ptr<gfx::Image> bottom_right_image( | |
218 CreateImage(gfx::Size(kCorner, kCorner))); | |
219 | |
220 ImageGrid grid; | |
221 grid.Init( | |
222 top_left_image.get(), top_image.get(), top_right_image.get(), | |
223 left_image.get(), center_image.get(), right_image.get(), | |
224 bottom_left_image.get(), bottom_image.get(), bottom_right_image.get()); | |
225 ImageGrid::TestAPI test_api(&grid); | |
226 | |
227 // Set a size that's smaller than the combined (unscaled) corner images. | |
228 const gfx::Size kSmallSize(kCorner + kCorner - 3, kCorner + kCorner - 5); | |
229 grid.SetSize(kSmallSize); | |
230 | |
231 // The scalable images around the sides and in the center should be hidden. | |
232 EXPECT_FALSE(test_api.top_layer()->visible()); | |
233 EXPECT_FALSE(test_api.bottom_layer()->visible()); | |
234 EXPECT_FALSE(test_api.left_layer()->visible()); | |
235 EXPECT_FALSE(test_api.right_layer()->visible()); | |
236 EXPECT_FALSE(test_api.center_layer()->visible()); | |
237 | |
238 // The corner images' clip rects should sum to the expected size. | |
239 EXPECT_EQ(kSmallSize.width(), | |
240 test_api.top_left_clip_rect().width() + | |
241 test_api.top_right_clip_rect().width()); | |
242 EXPECT_EQ(kSmallSize.width(), | |
243 test_api.bottom_left_clip_rect().width() + | |
244 test_api.bottom_right_clip_rect().width()); | |
245 EXPECT_EQ(kSmallSize.height(), | |
246 test_api.top_left_clip_rect().height() + | |
247 test_api.bottom_left_clip_rect().height()); | |
248 EXPECT_EQ(kSmallSize.height(), | |
249 test_api.top_right_clip_rect().height() + | |
250 test_api.bottom_right_clip_rect().height()); | |
251 | |
252 // Resize the grid to be large enough to show all images. | |
253 const gfx::Size kLargeSize(kCorner + kCorner + kCenter, | |
254 kCorner + kCorner + kCenter); | |
255 grid.SetSize(kLargeSize); | |
256 | |
257 // The scalable images should be visible now. | |
258 EXPECT_TRUE(test_api.top_layer()->visible()); | |
259 EXPECT_TRUE(test_api.bottom_layer()->visible()); | |
260 EXPECT_TRUE(test_api.left_layer()->visible()); | |
261 EXPECT_TRUE(test_api.right_layer()->visible()); | |
262 EXPECT_TRUE(test_api.center_layer()->visible()); | |
263 | |
264 // We shouldn't be clipping the corner images anymore. | |
265 EXPECT_TRUE(test_api.top_left_clip_rect().IsEmpty()); | |
266 EXPECT_TRUE(test_api.top_right_clip_rect().IsEmpty()); | |
267 EXPECT_TRUE(test_api.bottom_left_clip_rect().IsEmpty()); | |
268 EXPECT_TRUE(test_api.bottom_right_clip_rect().IsEmpty()); | |
269 } | |
270 | |
271 } // namespace test | |
272 } // namespace aura_shell | |
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