1 // Copyright 2013 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 "cc/animation/scrollbar_animation_controller_thinning.h" 6 7 #include "cc/layers/solid_color_scrollbar_layer_impl.h" 8 #include "cc/test/fake_impl_proxy.h" 9 #include "cc/test/fake_layer_tree_host_impl.h" 10 #include "cc/test/test_shared_bitmap_manager.h" 11 #include "testing/gtest/include/gtest/gtest.h" 12 13 namespace cc { 14 namespace { 15 16 class ScrollbarAnimationControllerThinningTest 17 : public testing::Test, 18 public ScrollbarAnimationControllerClient { 19 public: 20 ScrollbarAnimationControllerThinningTest() 21 : host_impl_(&proxy_, &shared_bitmap_manager_) {} 22 23 virtual void PostDelayedScrollbarFade(const base::Closure& start_fade, 24 base::TimeDelta delay) OVERRIDE { 25 start_fade_ = start_fade; 26 } 27 virtual void SetNeedsScrollbarAnimationFrame() OVERRIDE {} 28 29 protected: 30 virtual void SetUp() { 31 scoped_ptr<LayerImpl> scroll_layer = 32 LayerImpl::Create(host_impl_.active_tree(), 1); 33 clip_layer_ = LayerImpl::Create(host_impl_.active_tree(), 3); 34 scroll_layer->SetScrollClipLayer(clip_layer_->id()); 35 LayerImpl* scroll_layer_ptr = scroll_layer.get(); 36 clip_layer_->AddChild(scroll_layer.Pass()); 37 38 const int kId = 2; 39 const int kThumbThickness = 10; 40 const int kTrackStart = 0; 41 const bool kIsLeftSideVerticalScrollbar = false; 42 const bool kIsOverlayScrollbar = true; 43 scrollbar_layer_ = 44 SolidColorScrollbarLayerImpl::Create(host_impl_.active_tree(), 45 kId, 46 HORIZONTAL, 47 kThumbThickness, 48 kTrackStart, 49 kIsLeftSideVerticalScrollbar, 50 kIsOverlayScrollbar); 51 52 scrollbar_layer_->SetClipLayerById(clip_layer_->id()); 53 scrollbar_layer_->SetScrollLayerById(scroll_layer_ptr->id()); 54 clip_layer_->SetBounds(gfx::Size(100, 100)); 55 scroll_layer_ptr->SetBounds(gfx::Size(50, 50)); 56 57 scrollbar_controller_ = ScrollbarAnimationControllerThinning::Create( 58 scroll_layer_ptr, 59 this, 60 base::TimeDelta::FromSeconds(2), 61 base::TimeDelta::FromSeconds(3)); 62 } 63 64 FakeImplProxy proxy_; 65 TestSharedBitmapManager shared_bitmap_manager_; 66 FakeLayerTreeHostImpl host_impl_; 67 scoped_ptr<ScrollbarAnimationControllerThinning> scrollbar_controller_; 68 scoped_ptr<LayerImpl> clip_layer_; 69 scoped_ptr<SolidColorScrollbarLayerImpl> scrollbar_layer_; 70 71 base::Closure start_fade_; 72 }; 73 74 // Check initialization of scrollbar. 75 TEST_F(ScrollbarAnimationControllerThinningTest, Idle) { 76 scrollbar_controller_->Animate(base::TimeTicks()); 77 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 78 EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor()); 79 } 80 81 // Scroll content. Confirm the scrollbar gets dark and then becomes light 82 // after stopping. 83 TEST_F(ScrollbarAnimationControllerThinningTest, AwakenByProgrammaticScroll) { 84 base::TimeTicks time; 85 time += base::TimeDelta::FromSeconds(1); 86 scrollbar_controller_->DidScrollUpdate(); 87 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity()); 88 // Scrollbar doesn't change size if triggered by scroll. 89 EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor()); 90 91 start_fade_.Run(); 92 93 time += base::TimeDelta::FromSeconds(1); 94 scrollbar_controller_->Animate(time); 95 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity()); 96 EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor()); 97 98 // Subsequent scroll restarts animation. 99 scrollbar_controller_->DidScrollUpdate(); 100 101 start_fade_.Run(); 102 103 time += base::TimeDelta::FromSeconds(2); 104 scrollbar_controller_->Animate(time); 105 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity()); 106 EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor()); 107 108 time += base::TimeDelta::FromSeconds(1); 109 scrollbar_controller_->Animate(time); 110 EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity()); 111 EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor()); 112 113 time += base::TimeDelta::FromSeconds(1); 114 scrollbar_controller_->Animate(time); 115 EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity()); 116 EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor()); 117 118 time += base::TimeDelta::FromSeconds(1); 119 scrollbar_controller_->Animate(time); 120 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 121 EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor()); 122 } 123 124 // Initiate a scroll when the pointer is already near the scrollbar. It should 125 // remain thick. 126 TEST_F(ScrollbarAnimationControllerThinningTest, ScrollWithMouseNear) { 127 base::TimeTicks time; 128 time += base::TimeDelta::FromSeconds(1); 129 130 scrollbar_controller_->DidMouseMoveNear(1); 131 scrollbar_controller_->Animate(time); 132 time += base::TimeDelta::FromSeconds(3); 133 134 scrollbar_controller_->Animate(time); 135 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 136 137 scrollbar_controller_->DidScrollUpdate(); 138 start_fade_.Run(); 139 scrollbar_controller_->Animate(time); 140 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity()); 141 // Scrollbar should still be thick. 142 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 143 144 time += base::TimeDelta::FromSeconds(5); 145 scrollbar_controller_->Animate(time); 146 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 147 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 148 } 149 150 // Move the pointer near the scrollbar. Confirm it gets thick and narrow when 151 // moved away. 152 TEST_F(ScrollbarAnimationControllerThinningTest, MouseNear) { 153 base::TimeTicks time; 154 time += base::TimeDelta::FromSeconds(1); 155 scrollbar_controller_->DidMouseMoveNear(1); 156 scrollbar_controller_->Animate(time); 157 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 158 EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor()); 159 160 // Should animate to thickened but not darken. 161 time += base::TimeDelta::FromSeconds(1); 162 scrollbar_controller_->Animate(time); 163 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 164 EXPECT_FLOAT_EQ(0.6f, scrollbar_layer_->thumb_thickness_scale_factor()); 165 166 time += base::TimeDelta::FromSeconds(1); 167 scrollbar_controller_->Animate(time); 168 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 169 EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor()); 170 171 time += base::TimeDelta::FromSeconds(1); 172 scrollbar_controller_->Animate(time); 173 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 174 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 175 176 // Subsequent moves should not change anything. 177 scrollbar_controller_->DidMouseMoveNear(1); 178 scrollbar_controller_->Animate(time); 179 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 180 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 181 182 // Now move away from bar. 183 time += base::TimeDelta::FromSeconds(1); 184 scrollbar_controller_->DidMouseMoveNear(26); 185 scrollbar_controller_->Animate(time); 186 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 187 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 188 189 // Animate to narrow. 190 time += base::TimeDelta::FromSeconds(1); 191 scrollbar_controller_->Animate(time); 192 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 193 EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor()); 194 195 time += base::TimeDelta::FromSeconds(1); 196 scrollbar_controller_->Animate(time); 197 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 198 EXPECT_FLOAT_EQ(0.6f, scrollbar_layer_->thumb_thickness_scale_factor()); 199 200 time += base::TimeDelta::FromSeconds(1); 201 scrollbar_controller_->Animate(time); 202 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 203 EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor()); 204 } 205 206 // Move the pointer over the scrollbar. Make sure it gets thick and dark 207 // and that it gets thin and light when moved away. 208 TEST_F(ScrollbarAnimationControllerThinningTest, MouseOver) { 209 base::TimeTicks time; 210 time += base::TimeDelta::FromSeconds(1); 211 scrollbar_controller_->DidMouseMoveNear(0); 212 scrollbar_controller_->Animate(time); 213 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 214 EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor()); 215 216 // Should animate to thickened and darkened. 217 time += base::TimeDelta::FromSeconds(1); 218 scrollbar_controller_->Animate(time); 219 EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity()); 220 EXPECT_FLOAT_EQ(0.6f, scrollbar_layer_->thumb_thickness_scale_factor()); 221 222 time += base::TimeDelta::FromSeconds(1); 223 scrollbar_controller_->Animate(time); 224 EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity()); 225 EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor()); 226 227 time += base::TimeDelta::FromSeconds(1); 228 scrollbar_controller_->Animate(time); 229 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity()); 230 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 231 232 // Subsequent moves should not change anything. 233 scrollbar_controller_->DidMouseMoveNear(0); 234 scrollbar_controller_->Animate(time); 235 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity()); 236 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 237 238 // Now move away from bar. 239 time += base::TimeDelta::FromSeconds(1); 240 scrollbar_controller_->DidMouseMoveNear(26); 241 scrollbar_controller_->Animate(time); 242 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity()); 243 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 244 245 // Animate to narrow. 246 time += base::TimeDelta::FromSeconds(1); 247 scrollbar_controller_->Animate(time); 248 EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity()); 249 EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor()); 250 251 time += base::TimeDelta::FromSeconds(1); 252 scrollbar_controller_->Animate(time); 253 EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity()); 254 EXPECT_FLOAT_EQ(0.6f, scrollbar_layer_->thumb_thickness_scale_factor()); 255 256 time += base::TimeDelta::FromSeconds(1); 257 scrollbar_controller_->Animate(time); 258 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 259 EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor()); 260 } 261 262 // First move the pointer near the scrollbar, then over it, then back near 263 // then far away. Confirm that first the bar gets thick, then dark, then light, 264 // then narrow. 265 TEST_F(ScrollbarAnimationControllerThinningTest, MouseNearThenOver) { 266 base::TimeTicks time; 267 time += base::TimeDelta::FromSeconds(1); 268 scrollbar_controller_->DidMouseMoveNear(1); 269 scrollbar_controller_->Animate(time); 270 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 271 EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor()); 272 273 // Should animate to thickened but not darken. 274 time += base::TimeDelta::FromSeconds(3); 275 scrollbar_controller_->Animate(time); 276 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 277 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 278 279 // Now move over. 280 scrollbar_controller_->DidMouseMoveNear(0); 281 scrollbar_controller_->Animate(time); 282 283 // Should animate to darkened. 284 time += base::TimeDelta::FromSeconds(1); 285 scrollbar_controller_->Animate(time); 286 EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity()); 287 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 288 289 time += base::TimeDelta::FromSeconds(1); 290 scrollbar_controller_->Animate(time); 291 EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity()); 292 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 293 294 time += base::TimeDelta::FromSeconds(1); 295 scrollbar_controller_->Animate(time); 296 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity()); 297 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 298 299 // This is tricky. The DidMouseMoveOffScrollbar() is sent before the 300 // subsequent DidMouseMoveNear(), if the mouse moves in that direction. 301 // This results in the thumb thinning. We want to make sure that when the 302 // thumb starts expanding it doesn't first narrow to the idle thinness. 303 time += base::TimeDelta::FromSeconds(1); 304 scrollbar_controller_->DidMouseMoveOffScrollbar(); 305 scrollbar_controller_->Animate(time); 306 307 time += base::TimeDelta::FromSeconds(1); 308 scrollbar_controller_->Animate(time); 309 EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity()); 310 EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor()); 311 312 scrollbar_controller_->DidMouseMoveNear(1); 313 scrollbar_controller_->Animate(time); 314 // A new animation is kicked off. 315 316 time += base::TimeDelta::FromSeconds(1); 317 scrollbar_controller_->Animate(time); 318 // We will initiate the narrowing again, but it won't get decremented until 319 // the new animation catches up to it. 320 EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity()); 321 // Now the thickness should be increasing, but it shouldn't happen until the 322 // animation catches up. 323 EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor()); 324 325 time += base::TimeDelta::FromSeconds(1); 326 scrollbar_controller_->Animate(time); 327 EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity()); 328 // The thickness now gets big again. 329 EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor()); 330 331 time += base::TimeDelta::FromSeconds(1); 332 scrollbar_controller_->Animate(time); 333 EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity()); 334 // The thickness now gets big again. 335 EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor()); 336 } 337 338 } // namespace 339 } // namespace cc 340
