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Changes to RenderFrameProxy:
[chromium-blink-merge.git] / cc / layers / layer_impl_unittest.cc
blob39469c1293dfc730f2efd5d214126e41969517ee
1 // Copyright 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 "cc/layers/layer_impl.h"
6
7 #include "cc/layers/painted_scrollbar_layer_impl.h"
8 #include "cc/output/filter_operation.h"
9 #include "cc/output/filter_operations.h"
10 #include "cc/test/fake_impl_proxy.h"
11 #include "cc/test/fake_layer_tree_host_impl.h"
12 #include "cc/test/fake_output_surface.h"
13 #include "cc/test/geometry_test_utils.h"
14 #include "cc/test/test_shared_bitmap_manager.h"
15 #include "cc/trees/layer_tree_impl.h"
16 #include "cc/trees/single_thread_proxy.h"
17 #include "testing/gmock/include/gmock/gmock.h"
18 #include "testing/gtest/include/gtest/gtest.h"
19 #include "third_party/skia/include/effects/SkBlurImageFilter.h"
20
21 namespace cc {
22 namespace {
23
24 #define EXECUTE_AND_VERIFY_SUBTREE_CHANGED(code_to_test) \
25 root->ResetAllChangeTrackingForSubtree(); \
26 code_to_test; \
27 EXPECT_TRUE(root->needs_push_properties()); \
28 EXPECT_FALSE(child->needs_push_properties()); \
29 EXPECT_FALSE(grand_child->needs_push_properties()); \
30 EXPECT_TRUE(root->LayerPropertyChanged()); \
31 EXPECT_TRUE(child->LayerPropertyChanged()); \
32 EXPECT_TRUE(grand_child->LayerPropertyChanged());
33
34 #define EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(code_to_test) \
35 root->ResetAllChangeTrackingForSubtree(); \
36 code_to_test; \
37 EXPECT_FALSE(root->needs_push_properties()); \
38 EXPECT_FALSE(child->needs_push_properties()); \
39 EXPECT_FALSE(grand_child->needs_push_properties()); \
40 EXPECT_FALSE(root->LayerPropertyChanged()); \
41 EXPECT_FALSE(child->LayerPropertyChanged()); \
42 EXPECT_FALSE(grand_child->LayerPropertyChanged());
43
44 #define EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( \
45 code_to_test) \
46 root->ResetAllChangeTrackingForSubtree(); \
47 code_to_test; \
48 EXPECT_TRUE(root->needs_push_properties()); \
49 EXPECT_FALSE(child->needs_push_properties()); \
50 EXPECT_FALSE(grand_child->needs_push_properties()); \
51 EXPECT_FALSE(root->LayerPropertyChanged()); \
52 EXPECT_FALSE(child->LayerPropertyChanged()); \
53 EXPECT_FALSE(grand_child->LayerPropertyChanged());
54
55 #define EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(code_to_test) \
56 root->ResetAllChangeTrackingForSubtree(); \
57 code_to_test; \
58 EXPECT_TRUE(root->needs_push_properties()); \
59 EXPECT_FALSE(child->needs_push_properties()); \
60 EXPECT_FALSE(grand_child->needs_push_properties()); \
61 EXPECT_TRUE(root->LayerPropertyChanged()); \
62 EXPECT_FALSE(child->LayerPropertyChanged()); \
63 EXPECT_FALSE(grand_child->LayerPropertyChanged());
64
65 #define VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \
66 root->ResetAllChangeTrackingForSubtree(); \
67 host_impl.ForcePrepareToDraw(); \
68 EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); \
69 code_to_test; \
70 EXPECT_TRUE(host_impl.active_tree()->needs_update_draw_properties());
71
72 #define VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \
73 root->ResetAllChangeTrackingForSubtree(); \
74 host_impl.ForcePrepareToDraw(); \
75 EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); \
76 code_to_test; \
77 EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties());
78
79 TEST(LayerImplTest, VerifyLayerChangesAreTrackedProperly) {
80 //
81 // This test checks that layerPropertyChanged() has the correct behavior.
82 //
83
84 // The constructor on this will fake that we are on the correct thread.
85 // Create a simple LayerImpl tree:
86 FakeImplProxy proxy;
87 TestSharedBitmapManager shared_bitmap_manager;
88 FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
89 EXPECT_TRUE(host_impl.InitializeRenderer(
90 FakeOutputSurface::Create3d().PassAs<OutputSurface>()));
91 scoped_ptr<LayerImpl> root_clip =
92 LayerImpl::Create(host_impl.active_tree(), 1);
93 scoped_ptr<LayerImpl> root_ptr =
94 LayerImpl::Create(host_impl.active_tree(), 2);
95 LayerImpl* root = root_ptr.get();
96 root_clip->AddChild(root_ptr.Pass());
97 scoped_ptr<LayerImpl> scroll_parent =
98 LayerImpl::Create(host_impl.active_tree(), 3);
99 LayerImpl* scroll_child = LayerImpl::Create(host_impl.active_tree(), 4).get();
100 std::set<LayerImpl*>* scroll_children = new std::set<LayerImpl*>();
101 scroll_children->insert(scroll_child);
102 scroll_children->insert(root);
103
104 scoped_ptr<LayerImpl> clip_parent =
105 LayerImpl::Create(host_impl.active_tree(), 5);
106 LayerImpl* clip_child = LayerImpl::Create(host_impl.active_tree(), 6).get();
107 std::set<LayerImpl*>* clip_children = new std::set<LayerImpl*>();
108 clip_children->insert(clip_child);
109 clip_children->insert(root);
110
111 root->AddChild(LayerImpl::Create(host_impl.active_tree(), 7));
112 LayerImpl* child = root->children()[0];
113 child->AddChild(LayerImpl::Create(host_impl.active_tree(), 8));
114 LayerImpl* grand_child = child->children()[0];
115
116 root->SetScrollClipLayer(root_clip->id());
117
118 // Adding children is an internal operation and should not mark layers as
119 // changed.
120 EXPECT_FALSE(root->LayerPropertyChanged());
121 EXPECT_FALSE(child->LayerPropertyChanged());
122 EXPECT_FALSE(grand_child->LayerPropertyChanged());
123
124 gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f);
125 gfx::Point3F arbitrary_point_3f = gfx::Point3F(0.125f, 0.25f, 0.f);
126 float arbitrary_number = 0.352f;
127 gfx::Size arbitrary_size = gfx::Size(111, 222);
128 gfx::Point arbitrary_point = gfx::Point(333, 444);
129 gfx::Vector2d arbitrary_vector2d = gfx::Vector2d(111, 222);
130 gfx::Rect arbitrary_rect = gfx::Rect(arbitrary_point, arbitrary_size);
131 gfx::RectF arbitrary_rect_f =
132 gfx::RectF(arbitrary_point_f, gfx::SizeF(1.234f, 5.678f));
133 SkColor arbitrary_color = SkColorSetRGB(10, 20, 30);
134 gfx::Transform arbitrary_transform;
135 arbitrary_transform.Scale3d(0.1f, 0.2f, 0.3f);
136 FilterOperations arbitrary_filters;
137 arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f));
138 SkXfermode::Mode arbitrary_blend_mode = SkXfermode::kMultiply_Mode;
139
140 // These properties are internal, and should not be considered "change" when
141 // they are used.
142 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
143 root->SetUpdateRect(arbitrary_rect_f));
144 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(arbitrary_size));
145
146 // Changing these properties affects the entire subtree of layers.
147 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(
148 root->SetTransformOrigin(arbitrary_point_3f));
149 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilters(arbitrary_filters));
150 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilters(FilterOperations()));
151 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(
152 root->SetMaskLayer(LayerImpl::Create(host_impl.active_tree(), 9)));
153 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetMasksToBounds(true));
154 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetContentsOpaque(true));
155 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(
156 root->SetReplicaLayer(LayerImpl::Create(host_impl.active_tree(), 10)));
157 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetPosition(arbitrary_point_f));
158 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetShouldFlattenTransform(false));
159 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->Set3dSortingContextId(1));
160 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(
161 root->SetDoubleSided(false)); // constructor initializes it to "true".
162 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->ScrollBy(arbitrary_vector2d));
163 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetScrollDelta(gfx::Vector2d()));
164 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetScrollOffset(arbitrary_vector2d));
165 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetHideLayerAndSubtree(true));
166 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetOpacity(arbitrary_number));
167 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetBlendMode(arbitrary_blend_mode));
168 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetTransform(arbitrary_transform));
169
170 // Changing these properties only affects the layer itself.
171 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetContentBounds(arbitrary_size));
172 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(
173 root->SetContentsScale(arbitrary_number, arbitrary_number));
174 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetDrawsContent(true));
175 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(
176 root->SetBackgroundColor(arbitrary_color));
177 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(
178 root->SetBackgroundFilters(arbitrary_filters));
179
180 // Special case: check that SetBounds changes behavior depending on
181 // masksToBounds.
182 root->SetMasksToBounds(false);
183 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(gfx::Size(135, 246)));
184 root->SetMasksToBounds(true);
185 // Should be a different size than previous call, to ensure it marks tree
186 // changed.
187 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetBounds(arbitrary_size));
188
189 // Changing this property does not cause the layer to be marked as changed
190 // but does cause the layer to need to push properties.
191 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
192 root->SetIsRootForIsolatedGroup(true));
193
194 // Changing these properties should cause the layer to need to push properties
195 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
196 root->SetScrollParent(scroll_parent.get()));
197 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
198 root->SetScrollChildren(scroll_children));
199 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
200 root->SetClipParent(clip_parent.get()));
201 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
202 root->SetClipChildren(clip_children));
203
204 // After setting all these properties already, setting to the exact same
205 // values again should not cause any change.
206 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
207 root->SetTransformOrigin(arbitrary_point_3f));
208 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetMasksToBounds(true));
209 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
210 root->SetPosition(arbitrary_point_f));
211 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
212 root->SetShouldFlattenTransform(false));
213 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->Set3dSortingContextId(1));
214 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
215 root->SetTransform(arbitrary_transform));
216 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
217 root->SetDoubleSided(false)); // constructor initializes it to "true".
218 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
219 root->SetScrollDelta(gfx::Vector2d()));
220 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
221 root->SetScrollOffset(arbitrary_vector2d));
222 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
223 root->SetContentBounds(arbitrary_size));
224 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
225 root->SetContentsScale(arbitrary_number, arbitrary_number));
226 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetContentsOpaque(true));
227 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetOpacity(arbitrary_number));
228 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
229 root->SetBlendMode(arbitrary_blend_mode));
230 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
231 root->SetIsRootForIsolatedGroup(true));
232 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetDrawsContent(true));
233 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetBounds(arbitrary_size));
234 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
235 root->SetScrollParent(scroll_parent.get()));
236 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
237 root->SetScrollChildren(scroll_children));
238 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
239 root->SetClipParent(clip_parent.get()));
240 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
241 root->SetClipChildren(clip_children));
242 }
243
244 TEST(LayerImplTest, VerifyNeedsUpdateDrawProperties) {
245 FakeImplProxy proxy;
246 TestSharedBitmapManager shared_bitmap_manager;
247 FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
248 EXPECT_TRUE(host_impl.InitializeRenderer(
249 FakeOutputSurface::Create3d().PassAs<OutputSurface>()));
250 host_impl.active_tree()->SetRootLayer(
251 LayerImpl::Create(host_impl.active_tree(), 1));
252 LayerImpl* root = host_impl.active_tree()->root_layer();
253 scoped_ptr<LayerImpl> layer_ptr =
254 LayerImpl::Create(host_impl.active_tree(), 2);
255 LayerImpl* layer = layer_ptr.get();
256 root->AddChild(layer_ptr.Pass());
257 layer->SetScrollClipLayer(root->id());
258 DCHECK(host_impl.CanDraw());
259
260 gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f);
261 float arbitrary_number = 0.352f;
262 gfx::Size arbitrary_size = gfx::Size(111, 222);
263 gfx::Point arbitrary_point = gfx::Point(333, 444);
264 gfx::Vector2d arbitrary_vector2d = gfx::Vector2d(111, 222);
265 gfx::Size large_size = gfx::Size(1000, 1000);
266 gfx::Rect arbitrary_rect = gfx::Rect(arbitrary_point, arbitrary_size);
267 gfx::RectF arbitrary_rect_f =
268 gfx::RectF(arbitrary_point_f, gfx::SizeF(1.234f, 5.678f));
269 SkColor arbitrary_color = SkColorSetRGB(10, 20, 30);
270 gfx::Transform arbitrary_transform;
271 arbitrary_transform.Scale3d(0.1f, 0.2f, 0.3f);
272 FilterOperations arbitrary_filters;
273 arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f));
274 SkXfermode::Mode arbitrary_blend_mode = SkXfermode::kMultiply_Mode;
275
276 // Related filter functions.
277 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters));
278 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters));
279 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(FilterOperations()));
280 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters));
281
282 // Related scrolling functions.
283 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(large_size));
284 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(large_size));
285 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->ScrollBy(arbitrary_vector2d));
286 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->ScrollBy(gfx::Vector2d()));
287 layer->SetScrollDelta(gfx::Vector2d(0, 0));
288 host_impl.ForcePrepareToDraw();
289 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
290 layer->SetScrollDelta(arbitrary_vector2d));
291 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
292 layer->SetScrollDelta(arbitrary_vector2d));
293 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
294 layer->SetScrollOffset(arbitrary_vector2d));
295 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
296 layer->SetScrollOffset(arbitrary_vector2d));
297
298 // Unrelated functions, always set to new values, always set needs update.
299 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
300 layer->SetMaskLayer(LayerImpl::Create(host_impl.active_tree(), 4)));
301 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetMasksToBounds(true));
302 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true));
303 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
304 layer->SetReplicaLayer(LayerImpl::Create(host_impl.active_tree(), 5)));
305 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetPosition(arbitrary_point_f));
306 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetShouldFlattenTransform(false));
307 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->Set3dSortingContextId(1));
308
309 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
310 layer->SetDoubleSided(false)); // constructor initializes it to "true".
311 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentBounds(arbitrary_size));
312 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
313 layer->SetContentsScale(arbitrary_number, arbitrary_number));
314 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetDrawsContent(true));
315 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
316 layer->SetBackgroundColor(arbitrary_color));
317 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
318 layer->SetBackgroundFilters(arbitrary_filters));
319 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetOpacity(arbitrary_number));
320 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
321 layer->SetBlendMode(arbitrary_blend_mode));
322 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetTransform(arbitrary_transform));
323 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(arbitrary_size));
324
325 // Unrelated functions, set to the same values, no needs update.
326 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
327 layer->SetIsRootForIsolatedGroup(true));
328 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters));
329 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetMasksToBounds(true));
330 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true));
331 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetPosition(arbitrary_point_f));
332 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->Set3dSortingContextId(1));
333 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
334 layer->SetDoubleSided(false)); // constructor initializes it to "true".
335 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
336 layer->SetContentBounds(arbitrary_size));
337 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
338 layer->SetContentsScale(arbitrary_number, arbitrary_number));
339 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetDrawsContent(true));
340 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
341 layer->SetBackgroundColor(arbitrary_color));
342 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
343 layer->SetBackgroundFilters(arbitrary_filters));
344 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetOpacity(arbitrary_number));
345 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
346 layer->SetBlendMode(arbitrary_blend_mode));
347 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
348 layer->SetIsRootForIsolatedGroup(true));
349 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
350 layer->SetTransform(arbitrary_transform));
351 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(arbitrary_size));
352 }
353
354 TEST(LayerImplTest, SafeOpaqueBackgroundColor) {
355 FakeImplProxy proxy;
356 TestSharedBitmapManager shared_bitmap_manager;
357 FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
358 EXPECT_TRUE(host_impl.InitializeRenderer(
359 FakeOutputSurface::Create3d().PassAs<OutputSurface>()));
360 scoped_ptr<LayerImpl> layer = LayerImpl::Create(host_impl.active_tree(), 1);
361
362 for (int contents_opaque = 0; contents_opaque < 2; ++contents_opaque) {
363 for (int layer_opaque = 0; layer_opaque < 2; ++layer_opaque) {
364 for (int host_opaque = 0; host_opaque < 2; ++host_opaque) {
365 layer->SetContentsOpaque(!!contents_opaque);
366 layer->SetBackgroundColor(layer_opaque ? SK_ColorRED
367 : SK_ColorTRANSPARENT);
368 host_impl.active_tree()->set_background_color(
369 host_opaque ? SK_ColorRED : SK_ColorTRANSPARENT);
370
371 SkColor safe_color = layer->SafeOpaqueBackgroundColor();
372 if (contents_opaque) {
373 EXPECT_EQ(SkColorGetA(safe_color), 255u)
374 << "Flags: " << contents_opaque << ", " << layer_opaque << ", "
375 << host_opaque << "\n";
376 } else {
377 EXPECT_NE(SkColorGetA(safe_color), 255u)
378 << "Flags: " << contents_opaque << ", " << layer_opaque << ", "
379 << host_opaque << "\n";
380 }
381 }
382 }
383 }
384 }
385
386 TEST(LayerImplTest, TransformInvertibility) {
387 FakeImplProxy proxy;
388 TestSharedBitmapManager shared_bitmap_manager;
389 FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
390
391 scoped_ptr<LayerImpl> layer = LayerImpl::Create(host_impl.active_tree(), 1);
392 EXPECT_TRUE(layer->transform().IsInvertible());
393 EXPECT_TRUE(layer->transform_is_invertible());
394
395 gfx::Transform transform;
396 transform.Scale3d(
397 SkDoubleToMScalar(1.0), SkDoubleToMScalar(1.0), SkDoubleToMScalar(0.0));
398 layer->SetTransform(transform);
399 EXPECT_FALSE(layer->transform().IsInvertible());
400 EXPECT_FALSE(layer->transform_is_invertible());
401
402 transform.MakeIdentity();
403 transform.ApplyPerspectiveDepth(SkDoubleToMScalar(100.0));
404 transform.RotateAboutZAxis(75.0);
405 transform.RotateAboutXAxis(32.2);
406 transform.RotateAboutZAxis(-75.0);
407 transform.Translate3d(SkDoubleToMScalar(50.5),
408 SkDoubleToMScalar(42.42),
409 SkDoubleToMScalar(-100.25));
410
411 layer->SetTransform(transform);
412 EXPECT_TRUE(layer->transform().IsInvertible());
413 EXPECT_TRUE(layer->transform_is_invertible());
414 }
415
416 class LayerImplScrollTest : public testing::Test {
417 public:
418 LayerImplScrollTest()
419 : host_impl_(&proxy_, &shared_bitmap_manager_), root_id_(7) {
420 host_impl_.active_tree()->SetRootLayer(
421 LayerImpl::Create(host_impl_.active_tree(), root_id_));
422 host_impl_.active_tree()->root_layer()->AddChild(
423 LayerImpl::Create(host_impl_.active_tree(), root_id_ + 1));
424 layer()->SetScrollClipLayer(root_id_);
425 // Set the max scroll offset by noting that the root layer has bounds (1,1),
426 // thus whatever bounds are set for the layer will be the max scroll
427 // offset plus 1 in each direction.
428 host_impl_.active_tree()->root_layer()->SetBounds(gfx::Size(1, 1));
429 gfx::Vector2d max_scroll_offset(51, 81);
430 layer()->SetBounds(gfx::Size(max_scroll_offset.x(), max_scroll_offset.y()));
431 }
432
433 LayerImpl* layer() {
434 return host_impl_.active_tree()->root_layer()->children()[0];
435 }
436
437 LayerTreeImpl* tree() { return host_impl_.active_tree(); }
438
439 private:
440 FakeImplProxy proxy_;
441 TestSharedBitmapManager shared_bitmap_manager_;
442 FakeLayerTreeHostImpl host_impl_;
443 int root_id_;
444 };
445
446 TEST_F(LayerImplScrollTest, ScrollByWithZeroOffset) {
447 // Test that LayerImpl::ScrollBy only affects ScrollDelta and total scroll
448 // offset is bounded by the range [0, max scroll offset].
449
450 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->TotalScrollOffset());
451 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->scroll_offset());
452 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta());
453
454 layer()->ScrollBy(gfx::Vector2dF(-100, 100));
455 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset());
456
457 EXPECT_VECTOR_EQ(layer()->ScrollDelta(), layer()->TotalScrollOffset());
458 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->scroll_offset());
459
460 layer()->ScrollBy(gfx::Vector2dF(100, -100));
461 EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->TotalScrollOffset());
462
463 EXPECT_VECTOR_EQ(layer()->ScrollDelta(), layer()->TotalScrollOffset());
464 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->scroll_offset());
465 }
466
467 TEST_F(LayerImplScrollTest, ScrollByWithNonZeroOffset) {
468 gfx::Vector2d scroll_offset(10, 5);
469 layer()->SetScrollOffset(scroll_offset);
470
471 EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset());
472 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
473 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta());
474
475 layer()->ScrollBy(gfx::Vector2dF(-100, 100));
476 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset());
477
478 EXPECT_VECTOR_EQ(layer()->ScrollDelta() + scroll_offset,
479 layer()->TotalScrollOffset());
480 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
481
482 layer()->ScrollBy(gfx::Vector2dF(100, -100));
483 EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->TotalScrollOffset());
484
485 EXPECT_VECTOR_EQ(layer()->ScrollDelta() + scroll_offset,
486 layer()->TotalScrollOffset());
487 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
488 }
489
490 class ScrollDelegateIgnore : public LayerImpl::ScrollOffsetDelegate {
491 public:
492 virtual void SetTotalScrollOffset(const gfx::Vector2dF& new_value) OVERRIDE {}
493 virtual gfx::Vector2dF GetTotalScrollOffset() OVERRIDE {
494 return fixed_offset_;
495 }
496 virtual bool IsExternalFlingActive() const OVERRIDE { return false; }
497
498 void set_fixed_offset(const gfx::Vector2dF& fixed_offset) {
499 fixed_offset_ = fixed_offset;
500 }
501
502 private:
503 gfx::Vector2dF fixed_offset_;
504 };
505
506 TEST_F(LayerImplScrollTest, ScrollByWithIgnoringDelegate) {
507 gfx::Vector2d scroll_offset(10, 5);
508 layer()->SetScrollOffset(scroll_offset);
509
510 EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset());
511 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
512 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta());
513
514 ScrollDelegateIgnore delegate;
515 gfx::Vector2dF fixed_offset(32, 12);
516 delegate.set_fixed_offset(fixed_offset);
517 layer()->SetScrollOffsetDelegate(&delegate);
518
519 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset());
520 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
521
522 layer()->ScrollBy(gfx::Vector2dF(-100, 100));
523
524 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset());
525 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
526
527 layer()->SetScrollOffsetDelegate(NULL);
528
529 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset());
530 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
531
532 gfx::Vector2dF scroll_delta(1, 1);
533 layer()->ScrollBy(scroll_delta);
534
535 EXPECT_VECTOR_EQ(fixed_offset + scroll_delta, layer()->TotalScrollOffset());
536 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
537 }
538
539 class ScrollDelegateAccept : public LayerImpl::ScrollOffsetDelegate {
540 public:
541 virtual void SetTotalScrollOffset(const gfx::Vector2dF& new_value) OVERRIDE {
542 current_offset_ = new_value;
543 }
544 virtual gfx::Vector2dF GetTotalScrollOffset() OVERRIDE {
545 return current_offset_;
546 }
547 virtual bool IsExternalFlingActive() const OVERRIDE { return false; }
548
549 private:
550 gfx::Vector2dF current_offset_;
551 };
552
553 TEST_F(LayerImplScrollTest, ScrollByWithAcceptingDelegate) {
554 gfx::Vector2d scroll_offset(10, 5);
555 layer()->SetScrollOffset(scroll_offset);
556
557 EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset());
558 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
559 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta());
560
561 ScrollDelegateAccept delegate;
562 layer()->SetScrollOffsetDelegate(&delegate);
563
564 EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset());
565 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
566 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta());
567
568 layer()->ScrollBy(gfx::Vector2dF(-100, 100));
569
570 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset());
571 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
572
573 layer()->SetScrollOffsetDelegate(NULL);
574
575 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset());
576 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
577
578 gfx::Vector2dF scroll_delta(1, 1);
579 layer()->ScrollBy(scroll_delta);
580
581 EXPECT_VECTOR_EQ(gfx::Vector2dF(1, 80), layer()->TotalScrollOffset());
582 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
583 }
584
585 TEST_F(LayerImplScrollTest, ApplySentScrollsNoDelegate) {
586 gfx::Vector2d scroll_offset(10, 5);
587 gfx::Vector2dF scroll_delta(20.5f, 8.5f);
588 gfx::Vector2d sent_scroll_delta(12, -3);
589
590 layer()->SetScrollOffset(scroll_offset);
591 layer()->ScrollBy(scroll_delta);
592 layer()->SetSentScrollDelta(sent_scroll_delta);
593
594 EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset());
595 EXPECT_VECTOR_EQ(scroll_delta, layer()->ScrollDelta());
596 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
597 EXPECT_VECTOR_EQ(sent_scroll_delta, layer()->sent_scroll_delta());
598
599 layer()->ApplySentScrollDeltasFromAbortedCommit();
600
601 EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset());
602 EXPECT_VECTOR_EQ(scroll_delta - sent_scroll_delta, layer()->ScrollDelta());
603 EXPECT_VECTOR_EQ(scroll_offset + sent_scroll_delta, layer()->scroll_offset());
604 EXPECT_VECTOR_EQ(gfx::Vector2d(), layer()->sent_scroll_delta());
605 }
606
607 TEST_F(LayerImplScrollTest, ApplySentScrollsWithIgnoringDelegate) {
608 gfx::Vector2d scroll_offset(10, 5);
609 gfx::Vector2d sent_scroll_delta(12, -3);
610 gfx::Vector2dF fixed_offset(32, 12);
611
612 layer()->SetScrollOffset(scroll_offset);
613 ScrollDelegateIgnore delegate;
614 delegate.set_fixed_offset(fixed_offset);
615 layer()->SetScrollOffsetDelegate(&delegate);
616 layer()->SetSentScrollDelta(sent_scroll_delta);
617
618 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset());
619 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
620 EXPECT_VECTOR_EQ(sent_scroll_delta, layer()->sent_scroll_delta());
621
622 layer()->ApplySentScrollDeltasFromAbortedCommit();
623
624 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset());
625 EXPECT_VECTOR_EQ(scroll_offset + sent_scroll_delta, layer()->scroll_offset());
626 EXPECT_VECTOR_EQ(gfx::Vector2d(), layer()->sent_scroll_delta());
627 }
628
629 TEST_F(LayerImplScrollTest, ApplySentScrollsWithAcceptingDelegate) {
630 gfx::Vector2d scroll_offset(10, 5);
631 gfx::Vector2d sent_scroll_delta(12, -3);
632 gfx::Vector2dF scroll_delta(20.5f, 8.5f);
633
634 layer()->SetScrollOffset(scroll_offset);
635 ScrollDelegateAccept delegate;
636 layer()->SetScrollOffsetDelegate(&delegate);
637 layer()->ScrollBy(scroll_delta);
638 layer()->SetSentScrollDelta(sent_scroll_delta);
639
640 EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset());
641 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
642 EXPECT_VECTOR_EQ(sent_scroll_delta, layer()->sent_scroll_delta());
643
644 layer()->ApplySentScrollDeltasFromAbortedCommit();
645
646 EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset());
647 EXPECT_VECTOR_EQ(scroll_offset + sent_scroll_delta, layer()->scroll_offset());
648 EXPECT_VECTOR_EQ(gfx::Vector2d(), layer()->sent_scroll_delta());
649 }
650
651 // The user-scrollability breaks for zoomed-in pages. So disable this.
652 // http://crbug.com/322223
653 TEST_F(LayerImplScrollTest, DISABLED_ScrollUserUnscrollableLayer) {
654 gfx::Vector2d scroll_offset(10, 5);
655 gfx::Vector2dF scroll_delta(20.5f, 8.5f);
656
657 layer()->set_user_scrollable_vertical(false);
658 layer()->SetScrollOffset(scroll_offset);
659 gfx::Vector2dF unscrolled = layer()->ScrollBy(scroll_delta);
660
661 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 8.5f), unscrolled);
662 EXPECT_VECTOR_EQ(gfx::Vector2dF(30.5f, 5), layer()->TotalScrollOffset());
663 }
664
665 TEST_F(LayerImplScrollTest, SetNewScrollbarParameters) {
666 gfx::Vector2d scroll_offset(10, 5);
667 layer()->SetScrollOffset(scroll_offset);
668
669 scoped_ptr<PaintedScrollbarLayerImpl> vertical_scrollbar(
670 PaintedScrollbarLayerImpl::Create(tree(), 100, VERTICAL));
671 vertical_scrollbar->SetScrollLayerAndClipLayerByIds(
672 layer()->id(), tree()->root_layer()->id());
673
674 int expected_vertical_maximum =
675 layer()->bounds().height() - tree()->root_layer()->bounds().height();
676 EXPECT_EQ(expected_vertical_maximum, vertical_scrollbar->maximum());
677 EXPECT_EQ(scroll_offset.y(), vertical_scrollbar->current_pos());
678
679 scoped_ptr<PaintedScrollbarLayerImpl> horizontal_scrollbar(
680 PaintedScrollbarLayerImpl::Create(tree(), 101, HORIZONTAL));
681 horizontal_scrollbar->SetScrollLayerAndClipLayerByIds(
682 layer()->id(), tree()->root_layer()->id());
683
684 int expected_horizontal_maximum =
685 layer()->bounds().width() - tree()->root_layer()->bounds().width();
686 EXPECT_EQ(expected_horizontal_maximum, horizontal_scrollbar->maximum());
687 EXPECT_EQ(scroll_offset.x(), horizontal_scrollbar->current_pos());
688 }
689
690 } // namespace
691 } // namespace cc