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Connect PPAPI IPC channels for non-SFI mode.
[chromium-blink-merge.git] / cc / layers / layer_impl_unittest.cc
blob016aa70fb0ac34df1dada0f919e27bc66c0e277b
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/output/filter_operation.h"
8 #include "cc/output/filter_operations.h"
9 #include "cc/test/fake_impl_proxy.h"
10 #include "cc/test/fake_layer_tree_host_impl.h"
11 #include "cc/test/fake_output_surface.h"
12 #include "cc/test/geometry_test_utils.h"
13 #include "cc/trees/layer_tree_impl.h"
14 #include "cc/trees/single_thread_proxy.h"
15 #include "testing/gmock/include/gmock/gmock.h"
16 #include "testing/gtest/include/gtest/gtest.h"
17 #include "third_party/skia/include/effects/SkBlurImageFilter.h"
18
19 namespace cc {
20 namespace {
21
22 #define EXECUTE_AND_VERIFY_SUBTREE_CHANGED(code_to_test) \
23 root->ResetAllChangeTrackingForSubtree(); \
24 code_to_test; \
25 EXPECT_TRUE(root->needs_push_properties()); \
26 EXPECT_FALSE(child->needs_push_properties()); \
27 EXPECT_FALSE(grand_child->needs_push_properties()); \
28 EXPECT_TRUE(root->LayerPropertyChanged()); \
29 EXPECT_TRUE(child->LayerPropertyChanged()); \
30 EXPECT_TRUE(grand_child->LayerPropertyChanged());
31
32 #define EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(code_to_test) \
33 root->ResetAllChangeTrackingForSubtree(); \
34 code_to_test; \
35 EXPECT_FALSE(root->needs_push_properties()); \
36 EXPECT_FALSE(child->needs_push_properties()); \
37 EXPECT_FALSE(grand_child->needs_push_properties()); \
38 EXPECT_FALSE(root->LayerPropertyChanged()); \
39 EXPECT_FALSE(child->LayerPropertyChanged()); \
40 EXPECT_FALSE(grand_child->LayerPropertyChanged());
41
42 #define EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( \
43 code_to_test) \
44 root->ResetAllChangeTrackingForSubtree(); \
45 code_to_test; \
46 EXPECT_TRUE(root->needs_push_properties()); \
47 EXPECT_FALSE(child->needs_push_properties()); \
48 EXPECT_FALSE(grand_child->needs_push_properties()); \
49 EXPECT_FALSE(root->LayerPropertyChanged()); \
50 EXPECT_FALSE(child->LayerPropertyChanged()); \
51 EXPECT_FALSE(grand_child->LayerPropertyChanged());
52
53 #define EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(code_to_test) \
54 root->ResetAllChangeTrackingForSubtree(); \
55 code_to_test; \
56 EXPECT_TRUE(root->needs_push_properties()); \
57 EXPECT_FALSE(child->needs_push_properties()); \
58 EXPECT_FALSE(grand_child->needs_push_properties()); \
59 EXPECT_TRUE(root->LayerPropertyChanged()); \
60 EXPECT_FALSE(child->LayerPropertyChanged()); \
61 EXPECT_FALSE(grand_child->LayerPropertyChanged());
62
63 #define VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \
64 root->ResetAllChangeTrackingForSubtree(); \
65 host_impl.ForcePrepareToDraw(); \
66 EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); \
67 code_to_test; \
68 EXPECT_TRUE(host_impl.active_tree()->needs_update_draw_properties());
69
70 #define VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \
71 root->ResetAllChangeTrackingForSubtree(); \
72 host_impl.ForcePrepareToDraw(); \
73 EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); \
74 code_to_test; \
75 EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties());
76
77 TEST(LayerImplTest, VerifyLayerChangesAreTrackedProperly) {
78 //
79 // This test checks that layerPropertyChanged() has the correct behavior.
80 //
81
82 // The constructor on this will fake that we are on the correct thread.
83 // Create a simple LayerImpl tree:
84 FakeImplProxy proxy;
85 FakeLayerTreeHostImpl host_impl(&proxy);
86 EXPECT_TRUE(host_impl.InitializeRenderer(
87 FakeOutputSurface::Create3d().PassAs<OutputSurface>()));
88 scoped_ptr<LayerImpl> root_clip =
89 LayerImpl::Create(host_impl.active_tree(), 1);
90 scoped_ptr<LayerImpl> root_ptr =
91 LayerImpl::Create(host_impl.active_tree(), 2);
92 LayerImpl* root = root_ptr.get();
93 root_clip->AddChild(root_ptr.Pass());
94 scoped_ptr<LayerImpl> scroll_parent =
95 LayerImpl::Create(host_impl.active_tree(), 3);
96 LayerImpl* scroll_child = LayerImpl::Create(host_impl.active_tree(), 4).get();
97 std::set<LayerImpl*>* scroll_children = new std::set<LayerImpl*>();
98 scroll_children->insert(scroll_child);
99 scroll_children->insert(root);
100
101 scoped_ptr<LayerImpl> clip_parent =
102 LayerImpl::Create(host_impl.active_tree(), 5);
103 LayerImpl* clip_child = LayerImpl::Create(host_impl.active_tree(), 6).get();
104 std::set<LayerImpl*>* clip_children = new std::set<LayerImpl*>();
105 clip_children->insert(clip_child);
106 clip_children->insert(root);
107
108 root->AddChild(LayerImpl::Create(host_impl.active_tree(), 7));
109 LayerImpl* child = root->children()[0];
110 child->AddChild(LayerImpl::Create(host_impl.active_tree(), 8));
111 LayerImpl* grand_child = child->children()[0];
112
113 root->SetScrollClipLayer(root_clip->id());
114
115 // Adding children is an internal operation and should not mark layers as
116 // changed.
117 EXPECT_FALSE(root->LayerPropertyChanged());
118 EXPECT_FALSE(child->LayerPropertyChanged());
119 EXPECT_FALSE(grand_child->LayerPropertyChanged());
120
121 gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f);
122 float arbitrary_number = 0.352f;
123 gfx::Size arbitrary_size = gfx::Size(111, 222);
124 gfx::Point arbitrary_point = gfx::Point(333, 444);
125 gfx::Vector2d arbitrary_vector2d = gfx::Vector2d(111, 222);
126 gfx::Rect arbitrary_rect = gfx::Rect(arbitrary_point, arbitrary_size);
127 gfx::RectF arbitrary_rect_f =
128 gfx::RectF(arbitrary_point_f, gfx::SizeF(1.234f, 5.678f));
129 SkColor arbitrary_color = SkColorSetRGB(10, 20, 30);
130 gfx::Transform arbitrary_transform;
131 arbitrary_transform.Scale3d(0.1f, 0.2f, 0.3f);
132 FilterOperations arbitrary_filters;
133 arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f));
134 SkXfermode::Mode arbitrary_blend_mode = SkXfermode::kMultiply_Mode;
135
136 // These properties are internal, and should not be considered "change" when
137 // they are used.
138 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
139 root->SetUpdateRect(arbitrary_rect_f));
140 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(arbitrary_size));
141
142 // Changing these properties affects the entire subtree of layers.
143 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetAnchorPoint(arbitrary_point_f));
144 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetAnchorPointZ(arbitrary_number));
145 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilters(arbitrary_filters));
146 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilters(FilterOperations()));
147 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(
148 root->SetMaskLayer(LayerImpl::Create(host_impl.active_tree(), 9)));
149 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetMasksToBounds(true));
150 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetContentsOpaque(true));
151 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(
152 root->SetReplicaLayer(LayerImpl::Create(host_impl.active_tree(), 10)));
153 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetPosition(arbitrary_point_f));
154 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetShouldFlattenTransform(false));
155 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetIs3dSorted(true));
156 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(
157 root->SetDoubleSided(false)); // constructor initializes it to "true".
158 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->ScrollBy(arbitrary_vector2d));
159 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetScrollDelta(gfx::Vector2d()));
160 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetScrollOffset(arbitrary_vector2d));
161 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetHideLayerAndSubtree(true));
162 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetOpacity(arbitrary_number));
163 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetBlendMode(arbitrary_blend_mode));
164 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetTransform(arbitrary_transform));
165
166 // Changing these properties only affects the layer itself.
167 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetContentBounds(arbitrary_size));
168 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(
169 root->SetContentsScale(arbitrary_number, arbitrary_number));
170 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetDrawsContent(true));
171 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(
172 root->SetBackgroundColor(arbitrary_color));
173 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(
174 root->SetBackgroundFilters(arbitrary_filters));
175
176 // Special case: check that SetBounds changes behavior depending on
177 // masksToBounds.
178 root->SetMasksToBounds(false);
179 EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(gfx::Size(135, 246)));
180 root->SetMasksToBounds(true);
181 // Should be a different size than previous call, to ensure it marks tree
182 // changed.
183 EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetBounds(arbitrary_size));
184
185 // Changing this property does not cause the layer to be marked as changed
186 // but does cause the layer to need to push properties.
187 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
188 root->SetIsRootForIsolatedGroup(true));
189
190 // Changing these properties should cause the layer to need to push properties
191 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
192 root->SetScrollParent(scroll_parent.get()));
193 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
194 root->SetScrollChildren(scroll_children));
195 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
196 root->RemoveScrollChild(scroll_child));
197 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
198 root->SetClipParent(clip_parent.get()));
199 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
200 root->SetClipChildren(clip_children));
201 EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
202 root->RemoveClipChild(clip_child));
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->SetAnchorPoint(arbitrary_point_f));
208 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
209 root->SetAnchorPointZ(arbitrary_number));
210 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetMasksToBounds(true));
211 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
212 root->SetPosition(arbitrary_point_f));
213 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
214 root->SetShouldFlattenTransform(false));
215 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetIs3dSorted(true));
216 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
217 root->SetTransform(arbitrary_transform));
218 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
219 root->SetDoubleSided(false)); // constructor initializes it to "true".
220 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
221 root->SetScrollDelta(gfx::Vector2d()));
222 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
223 root->SetScrollOffset(arbitrary_vector2d));
224 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
225 root->SetContentBounds(arbitrary_size));
226 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
227 root->SetContentsScale(arbitrary_number, arbitrary_number));
228 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetContentsOpaque(true));
229 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetOpacity(arbitrary_number));
230 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
231 root->SetBlendMode(arbitrary_blend_mode));
232 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
233 root->SetIsRootForIsolatedGroup(true));
234 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetDrawsContent(true));
235 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetBounds(arbitrary_size));
236 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
237 root->SetScrollParent(scroll_parent.get()));
238 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
239 root->SetScrollChildren(scroll_children));
240 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
241 root->SetClipParent(clip_parent.get()));
242 EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
243 root->SetClipChildren(clip_children));
244 }
245
246 TEST(LayerImplTest, VerifyNeedsUpdateDrawProperties) {
247 FakeImplProxy proxy;
248 FakeLayerTreeHostImpl host_impl(&proxy);
249 EXPECT_TRUE(host_impl.InitializeRenderer(
250 FakeOutputSurface::Create3d().PassAs<OutputSurface>()));
251 host_impl.active_tree()->SetRootLayer(
252 LayerImpl::Create(host_impl.active_tree(), 1));
253 LayerImpl* root = host_impl.active_tree()->root_layer();
254 scoped_ptr<LayerImpl> layer_ptr =
255 LayerImpl::Create(host_impl.active_tree(), 2);
256 LayerImpl* layer = layer_ptr.get();
257 root->AddChild(layer_ptr.Pass());
258 layer->SetScrollClipLayer(root->id());
259 DCHECK(host_impl.CanDraw());
260
261 gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f);
262 float arbitrary_number = 0.352f;
263 gfx::Size arbitrary_size = gfx::Size(111, 222);
264 gfx::Point arbitrary_point = gfx::Point(333, 444);
265 gfx::Vector2d arbitrary_vector2d = gfx::Vector2d(111, 222);
266 gfx::Size large_size = gfx::Size(1000, 1000);
267 gfx::Rect arbitrary_rect = gfx::Rect(arbitrary_point, arbitrary_size);
268 gfx::RectF arbitrary_rect_f =
269 gfx::RectF(arbitrary_point_f, gfx::SizeF(1.234f, 5.678f));
270 SkColor arbitrary_color = SkColorSetRGB(10, 20, 30);
271 gfx::Transform arbitrary_transform;
272 arbitrary_transform.Scale3d(0.1f, 0.2f, 0.3f);
273 FilterOperations arbitrary_filters;
274 arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f));
275 SkXfermode::Mode arbitrary_blend_mode = SkXfermode::kMultiply_Mode;
276
277 // Related filter functions.
278 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters));
279 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters));
280 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(FilterOperations()));
281 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters));
282
283 // Related scrolling functions.
284 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(large_size));
285 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(large_size));
286 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->ScrollBy(arbitrary_vector2d));
287 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->ScrollBy(gfx::Vector2d()));
288 layer->SetScrollDelta(gfx::Vector2d(0, 0));
289 host_impl.ForcePrepareToDraw();
290 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
291 layer->SetScrollDelta(arbitrary_vector2d));
292 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
293 layer->SetScrollDelta(arbitrary_vector2d));
294 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
295 layer->SetScrollOffset(arbitrary_vector2d));
296 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
297 layer->SetScrollOffset(arbitrary_vector2d));
298
299 // Unrelated functions, always set to new values, always set needs update.
300 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetAnchorPointZ(arbitrary_number));
301 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
302 layer->SetMaskLayer(LayerImpl::Create(host_impl.active_tree(), 4)));
303 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetMasksToBounds(true));
304 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true));
305 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
306 layer->SetReplicaLayer(LayerImpl::Create(host_impl.active_tree(), 5)));
307 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetPosition(arbitrary_point_f));
308 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetShouldFlattenTransform(false));
309 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetIs3dSorted(true));
310
311 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
312 layer->SetDoubleSided(false)); // constructor initializes it to "true".
313 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentBounds(arbitrary_size));
314 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
315 layer->SetContentsScale(arbitrary_number, arbitrary_number));
316 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetDrawsContent(true));
317 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
318 layer->SetBackgroundColor(arbitrary_color));
319 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
320 layer->SetBackgroundFilters(arbitrary_filters));
321 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetOpacity(arbitrary_number));
322 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
323 layer->SetBlendMode(arbitrary_blend_mode));
324 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetTransform(arbitrary_transform));
325 VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(arbitrary_size));
326
327 // Unrelated functions, set to the same values, no needs update.
328 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
329 layer->SetAnchorPointZ(arbitrary_number));
330 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
331 layer->SetIsRootForIsolatedGroup(true));
332 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters));
333 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetMasksToBounds(true));
334 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true));
335 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetPosition(arbitrary_point_f));
336 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetIs3dSorted(true));
337 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
338 layer->SetDoubleSided(false)); // constructor initializes it to "true".
339 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
340 layer->SetContentBounds(arbitrary_size));
341 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
342 layer->SetContentsScale(arbitrary_number, arbitrary_number));
343 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetDrawsContent(true));
344 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
345 layer->SetBackgroundColor(arbitrary_color));
346 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
347 layer->SetBackgroundFilters(arbitrary_filters));
348 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetOpacity(arbitrary_number));
349 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
350 layer->SetBlendMode(arbitrary_blend_mode));
351 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
352 layer->SetIsRootForIsolatedGroup(true));
353 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
354 layer->SetTransform(arbitrary_transform));
355 VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(arbitrary_size));
356 }
357
358 TEST(LayerImplTest, SafeOpaqueBackgroundColor) {
359 FakeImplProxy proxy;
360 FakeLayerTreeHostImpl host_impl(&proxy);
361 EXPECT_TRUE(host_impl.InitializeRenderer(
362 FakeOutputSurface::Create3d().PassAs<OutputSurface>()));
363 scoped_ptr<LayerImpl> layer = LayerImpl::Create(host_impl.active_tree(), 1);
364
365 for (int contents_opaque = 0; contents_opaque < 2; ++contents_opaque) {
366 for (int layer_opaque = 0; layer_opaque < 2; ++layer_opaque) {
367 for (int host_opaque = 0; host_opaque < 2; ++host_opaque) {
368 layer->SetContentsOpaque(!!contents_opaque);
369 layer->SetBackgroundColor(layer_opaque ? SK_ColorRED
370 : SK_ColorTRANSPARENT);
371 host_impl.active_tree()->set_background_color(
372 host_opaque ? SK_ColorRED : SK_ColorTRANSPARENT);
373
374 SkColor safe_color = layer->SafeOpaqueBackgroundColor();
375 if (contents_opaque) {
376 EXPECT_EQ(SkColorGetA(safe_color), 255u)
377 << "Flags: " << contents_opaque << ", " << layer_opaque << ", "
378 << host_opaque << "\n";
379 } else {
380 EXPECT_NE(SkColorGetA(safe_color), 255u)
381 << "Flags: " << contents_opaque << ", " << layer_opaque << ", "
382 << host_opaque << "\n";
383 }
384 }
385 }
386 }
387 }
388
389 class LayerImplScrollTest : public testing::Test {
390 public:
391 LayerImplScrollTest() : host_impl_(&proxy_), root_id_(7) {
392 host_impl_.active_tree()
393 ->SetRootLayer(LayerImpl::Create(host_impl_.active_tree(), root_id_));
394 host_impl_.active_tree()->root_layer()->AddChild(
395 LayerImpl::Create(host_impl_.active_tree(), root_id_ + 1));
396 layer()->SetScrollClipLayer(root_id_);
397 // Set the max scroll offset by noting that the root layer has bounds (1,1),
398 // thus whatever bounds are set for the layer will be the max scroll
399 // offset plus 1 in each direction.
400 host_impl_.active_tree()->root_layer()->SetBounds(gfx::Size(1, 1));
401 gfx::Vector2d max_scroll_offset(51, 81);
402 layer()->SetBounds(gfx::Size(max_scroll_offset.x(), max_scroll_offset.y()));
403 }
404
405 LayerImpl* layer() {
406 return host_impl_.active_tree()->root_layer()->children()[0];
407 }
408
409 private:
410 FakeImplProxy proxy_;
411 FakeLayerTreeHostImpl host_impl_;
412 int root_id_;
413 };
414
415 TEST_F(LayerImplScrollTest, ScrollByWithZeroOffset) {
416 // Test that LayerImpl::ScrollBy only affects ScrollDelta and total scroll
417 // offset is bounded by the range [0, max scroll offset].
418
419 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->TotalScrollOffset());
420 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->scroll_offset());
421 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta());
422
423 layer()->ScrollBy(gfx::Vector2dF(-100, 100));
424 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset());
425
426 EXPECT_VECTOR_EQ(layer()->ScrollDelta(), layer()->TotalScrollOffset());
427 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->scroll_offset());
428
429 layer()->ScrollBy(gfx::Vector2dF(100, -100));
430 EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->TotalScrollOffset());
431
432 EXPECT_VECTOR_EQ(layer()->ScrollDelta(), layer()->TotalScrollOffset());
433 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->scroll_offset());
434 }
435
436 TEST_F(LayerImplScrollTest, ScrollByWithNonZeroOffset) {
437 gfx::Vector2d scroll_offset(10, 5);
438 layer()->SetScrollOffset(scroll_offset);
439
440 EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset());
441 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
442 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta());
443
444 layer()->ScrollBy(gfx::Vector2dF(-100, 100));
445 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset());
446
447 EXPECT_VECTOR_EQ(layer()->ScrollDelta() + scroll_offset,
448 layer()->TotalScrollOffset());
449 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
450
451 layer()->ScrollBy(gfx::Vector2dF(100, -100));
452 EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->TotalScrollOffset());
453
454 EXPECT_VECTOR_EQ(layer()->ScrollDelta() + scroll_offset,
455 layer()->TotalScrollOffset());
456 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
457 }
458
459 class ScrollDelegateIgnore : public LayerScrollOffsetDelegate {
460 public:
461 virtual void SetMaxScrollOffset(
462 const gfx::Vector2dF& max_scroll_offset) OVERRIDE {}
463 virtual void SetTotalScrollOffset(const gfx::Vector2dF& new_value) OVERRIDE {}
464 virtual gfx::Vector2dF GetTotalScrollOffset() OVERRIDE {
465 return fixed_offset_;
466 }
467 virtual bool IsExternalFlingActive() const OVERRIDE { return false; }
468
469 void set_fixed_offset(const gfx::Vector2dF& fixed_offset) {
470 fixed_offset_ = fixed_offset;
471 }
472
473 virtual void SetTotalPageScaleFactorAndLimits(
474 float page_scale_factor,
475 float min_page_scale_factor,
476 float max_page_scale_factor) OVERRIDE {}
477 virtual void SetScrollableSize(const gfx::SizeF& scrollable_size) OVERRIDE {}
478
479 private:
480 gfx::Vector2dF fixed_offset_;
481 };
482
483 TEST_F(LayerImplScrollTest, ScrollByWithIgnoringDelegate) {
484 gfx::Vector2d scroll_offset(10, 5);
485 layer()->SetScrollOffset(scroll_offset);
486
487 EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset());
488 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
489 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta());
490
491 ScrollDelegateIgnore delegate;
492 gfx::Vector2dF fixed_offset(32, 12);
493 delegate.set_fixed_offset(fixed_offset);
494 layer()->SetScrollOffsetDelegate(&delegate);
495
496 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset());
497 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
498
499 layer()->ScrollBy(gfx::Vector2dF(-100, 100));
500
501 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset());
502 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
503
504 layer()->SetScrollOffsetDelegate(NULL);
505
506 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset());
507 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
508
509 gfx::Vector2dF scroll_delta(1, 1);
510 layer()->ScrollBy(scroll_delta);
511
512 EXPECT_VECTOR_EQ(fixed_offset + scroll_delta, layer()->TotalScrollOffset());
513 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
514 }
515
516 class ScrollDelegateAccept : public LayerScrollOffsetDelegate {
517 public:
518 virtual void SetMaxScrollOffset(
519 const gfx::Vector2dF& max_scroll_offset) OVERRIDE {}
520 virtual void SetTotalScrollOffset(const gfx::Vector2dF& new_value) OVERRIDE {
521 current_offset_ = new_value;
522 }
523 virtual gfx::Vector2dF GetTotalScrollOffset() OVERRIDE {
524 return current_offset_;
525 }
526 virtual bool IsExternalFlingActive() const OVERRIDE { return false; }
527 virtual void SetTotalPageScaleFactorAndLimits(
528 float page_scale_factor,
529 float min_page_scale_factor,
530 float max_page_scale_factor) OVERRIDE {}
531 virtual void SetScrollableSize(const gfx::SizeF& scrollable_size) OVERRIDE {}
532
533 private:
534 gfx::Vector2dF current_offset_;
535 };
536
537 TEST_F(LayerImplScrollTest, ScrollByWithAcceptingDelegate) {
538 gfx::Vector2d scroll_offset(10, 5);
539 layer()->SetScrollOffset(scroll_offset);
540
541 EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset());
542 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
543 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta());
544
545 ScrollDelegateAccept delegate;
546 layer()->SetScrollOffsetDelegate(&delegate);
547
548 EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset());
549 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
550 EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta());
551
552 layer()->ScrollBy(gfx::Vector2dF(-100, 100));
553
554 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset());
555 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
556
557 layer()->SetScrollOffsetDelegate(NULL);
558
559 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset());
560 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
561
562 gfx::Vector2dF scroll_delta(1, 1);
563 layer()->ScrollBy(scroll_delta);
564
565 EXPECT_VECTOR_EQ(gfx::Vector2dF(1, 80), layer()->TotalScrollOffset());
566 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
567 }
568
569 TEST_F(LayerImplScrollTest, ApplySentScrollsNoDelegate) {
570 gfx::Vector2d scroll_offset(10, 5);
571 gfx::Vector2dF scroll_delta(20.5f, 8.5f);
572 gfx::Vector2d sent_scroll_delta(12, -3);
573
574 layer()->SetScrollOffset(scroll_offset);
575 layer()->ScrollBy(scroll_delta);
576 layer()->SetSentScrollDelta(sent_scroll_delta);
577
578 EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset());
579 EXPECT_VECTOR_EQ(scroll_delta, layer()->ScrollDelta());
580 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
581 EXPECT_VECTOR_EQ(sent_scroll_delta, layer()->sent_scroll_delta());
582
583 layer()->ApplySentScrollDeltasFromAbortedCommit();
584
585 EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset());
586 EXPECT_VECTOR_EQ(scroll_delta - sent_scroll_delta, layer()->ScrollDelta());
587 EXPECT_VECTOR_EQ(scroll_offset + sent_scroll_delta, layer()->scroll_offset());
588 EXPECT_VECTOR_EQ(gfx::Vector2d(), layer()->sent_scroll_delta());
589 }
590
591 TEST_F(LayerImplScrollTest, ApplySentScrollsWithIgnoringDelegate) {
592 gfx::Vector2d scroll_offset(10, 5);
593 gfx::Vector2d sent_scroll_delta(12, -3);
594 gfx::Vector2dF fixed_offset(32, 12);
595
596 layer()->SetScrollOffset(scroll_offset);
597 ScrollDelegateIgnore delegate;
598 delegate.set_fixed_offset(fixed_offset);
599 layer()->SetScrollOffsetDelegate(&delegate);
600 layer()->SetSentScrollDelta(sent_scroll_delta);
601
602 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset());
603 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
604 EXPECT_VECTOR_EQ(sent_scroll_delta, layer()->sent_scroll_delta());
605
606 layer()->ApplySentScrollDeltasFromAbortedCommit();
607
608 EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset());
609 EXPECT_VECTOR_EQ(scroll_offset + sent_scroll_delta, layer()->scroll_offset());
610 EXPECT_VECTOR_EQ(gfx::Vector2d(), layer()->sent_scroll_delta());
611 }
612
613 TEST_F(LayerImplScrollTest, ApplySentScrollsWithAcceptingDelegate) {
614 gfx::Vector2d scroll_offset(10, 5);
615 gfx::Vector2d sent_scroll_delta(12, -3);
616 gfx::Vector2dF scroll_delta(20.5f, 8.5f);
617
618 layer()->SetScrollOffset(scroll_offset);
619 ScrollDelegateAccept delegate;
620 layer()->SetScrollOffsetDelegate(&delegate);
621 layer()->ScrollBy(scroll_delta);
622 layer()->SetSentScrollDelta(sent_scroll_delta);
623
624 EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset());
625 EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset());
626 EXPECT_VECTOR_EQ(sent_scroll_delta, layer()->sent_scroll_delta());
627
628 layer()->ApplySentScrollDeltasFromAbortedCommit();
629
630 EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset());
631 EXPECT_VECTOR_EQ(scroll_offset + sent_scroll_delta, layer()->scroll_offset());
632 EXPECT_VECTOR_EQ(gfx::Vector2d(), layer()->sent_scroll_delta());
633 }
634
635 // The user-scrollability breaks for zoomed-in pages. So disable this.
636 // http://crbug.com/322223
637 TEST_F(LayerImplScrollTest, DISABLED_ScrollUserUnscrollableLayer) {
638 gfx::Vector2d scroll_offset(10, 5);
639 gfx::Vector2dF scroll_delta(20.5f, 8.5f);
640
641 layer()->set_user_scrollable_vertical(false);
642 layer()->SetScrollOffset(scroll_offset);
643 gfx::Vector2dF unscrolled = layer()->ScrollBy(scroll_delta);
644
645 EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 8.5f), unscrolled);
646 EXPECT_VECTOR_EQ(gfx::Vector2dF(30.5f, 5), layer()->TotalScrollOffset());
647 }
648
649 } // namespace
650 } // namespace cc