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| 1 // Copyright 2012 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 "base/json/json_reader.h" | |
| 8 #include "base/strings/stringprintf.h" | |
| 9 #include "base/trace_event/trace_event.h" | |
| 10 #include "base/trace_event/trace_event_argument.h" | |
| 11 #include "cc/animation/animation_registrar.h" | |
| 12 #include "cc/animation/scrollbar_animation_controller.h" | |
| 13 #include "cc/base/math_util.h" | |
| 14 #include "cc/base/simple_enclosed_region.h" | |
| 15 #include "cc/debug/debug_colors.h" | |
| 16 #include "cc/debug/layer_tree_debug_state.h" | |
| 17 #include "cc/debug/micro_benchmark_impl.h" | |
| 18 #include "cc/debug/traced_value.h" | |
| 19 #include "cc/input/layer_scroll_offset_delegate.h" | |
| 20 #include "cc/layers/layer_utils.h" | |
| 21 #include "cc/layers/painted_scrollbar_layer_impl.h" | |
| 22 #include "cc/output/copy_output_request.h" | |
| 23 #include "cc/quads/debug_border_draw_quad.h" | |
| 24 #include "cc/quads/render_pass.h" | |
| 25 #include "cc/trees/layer_tree_host_common.h" | |
| 26 #include "cc/trees/layer_tree_impl.h" | |
| 27 #include "cc/trees/layer_tree_settings.h" | |
| 28 #include "cc/trees/proxy.h" | |
| 29 #include "ui/gfx/geometry/box_f.h" | |
| 30 #include "ui/gfx/geometry/point_conversions.h" | |
| 31 #include "ui/gfx/geometry/quad_f.h" | |
| 32 #include "ui/gfx/geometry/rect_conversions.h" | |
| 33 #include "ui/gfx/geometry/size_conversions.h" | |
| 34 #include "ui/gfx/geometry/vector2d_conversions.h" | |
| 35 | |
| 36 namespace cc { | |
| 37 LayerImpl::LayerImpl(LayerTreeImpl* layer_impl, int id) | |
| 38 : LayerImpl(layer_impl, id, new LayerImpl::SyncedScrollOffset) { | |
| 39 } | |
| 40 | |
| 41 LayerImpl::LayerImpl(LayerTreeImpl* tree_impl, | |
| 42 int id, | |
| 43 scoped_refptr<SyncedScrollOffset> scroll_offset) | |
| 44 : parent_(nullptr), | |
| 45 scroll_parent_(nullptr), | |
| 46 clip_parent_(nullptr), | |
| 47 mask_layer_id_(-1), | |
| 48 replica_layer_id_(-1), | |
| 49 layer_id_(id), | |
| 50 layer_tree_impl_(tree_impl), | |
| 51 scroll_offset_(scroll_offset), | |
| 52 scroll_offset_delegate_(nullptr), | |
| 53 scroll_clip_layer_(nullptr), | |
| 54 should_scroll_on_main_thread_(false), | |
| 55 have_wheel_event_handlers_(false), | |
| 56 have_scroll_event_handlers_(false), | |
| 57 scroll_blocks_on_(SCROLL_BLOCKS_ON_NONE), | |
| 58 user_scrollable_horizontal_(true), | |
| 59 user_scrollable_vertical_(true), | |
| 60 stacking_order_changed_(false), | |
| 61 double_sided_(true), | |
| 62 should_flatten_transform_(true), | |
| 63 layer_property_changed_(false), | |
| 64 masks_to_bounds_(false), | |
| 65 contents_opaque_(false), | |
| 66 is_root_for_isolated_group_(false), | |
| 67 use_parent_backface_visibility_(false), | |
| 68 draw_checkerboard_for_missing_tiles_(false), | |
| 69 draws_content_(false), | |
| 70 hide_layer_and_subtree_(false), | |
| 71 transform_is_invertible_(true), | |
| 72 is_container_for_fixed_position_layers_(false), | |
| 73 background_color_(0), | |
| 74 opacity_(1.0), | |
| 75 blend_mode_(SkXfermode::kSrcOver_Mode), | |
| 76 num_descendants_that_draw_content_(0), | |
| 77 draw_depth_(0.f), | |
| 78 needs_push_properties_(false), | |
| 79 num_dependents_need_push_properties_(0), | |
| 80 sorting_context_id_(0), | |
| 81 current_draw_mode_(DRAW_MODE_NONE), | |
| 82 frame_timing_requests_dirty_(false) { | |
| 83 DCHECK_GT(layer_id_, 0); | |
| 84 DCHECK(layer_tree_impl_); | |
| 85 layer_tree_impl_->RegisterLayer(this); | |
| 86 AnimationRegistrar* registrar = layer_tree_impl_->GetAnimationRegistrar(); | |
| 87 layer_animation_controller_ = | |
| 88 registrar->GetAnimationControllerForId(layer_id_); | |
| 89 layer_animation_controller_->AddValueObserver(this); | |
| 90 if (IsActive()) { | |
| 91 layer_animation_controller_->set_value_provider(this); | |
| 92 layer_animation_controller_->set_layer_animation_delegate(this); | |
| 93 } | |
| 94 SetNeedsPushProperties(); | |
| 95 } | |
| 96 | |
| 97 LayerImpl::~LayerImpl() { | |
| 98 DCHECK_EQ(DRAW_MODE_NONE, current_draw_mode_); | |
| 99 | |
| 100 layer_animation_controller_->RemoveValueObserver(this); | |
| 101 layer_animation_controller_->remove_value_provider(this); | |
| 102 layer_animation_controller_->remove_layer_animation_delegate(this); | |
| 103 | |
| 104 if (!copy_requests_.empty() && layer_tree_impl_->IsActiveTree()) | |
| 105 layer_tree_impl()->RemoveLayerWithCopyOutputRequest(this); | |
| 106 layer_tree_impl_->UnregisterLayer(this); | |
| 107 | |
| 108 TRACE_EVENT_OBJECT_DELETED_WITH_ID( | |
| 109 TRACE_DISABLED_BY_DEFAULT("cc.debug"), "cc::LayerImpl", this); | |
| 110 } | |
| 111 | |
| 112 void LayerImpl::AddChild(scoped_ptr<LayerImpl> child) { | |
| 113 child->SetParent(this); | |
| 114 DCHECK_EQ(layer_tree_impl(), child->layer_tree_impl()); | |
| 115 children_.push_back(child.Pass()); | |
| 116 layer_tree_impl()->set_needs_update_draw_properties(); | |
| 117 } | |
| 118 | |
| 119 scoped_ptr<LayerImpl> LayerImpl::RemoveChild(LayerImpl* child) { | |
| 120 for (OwnedLayerImplList::iterator it = children_.begin(); | |
| 121 it != children_.end(); | |
| 122 ++it) { | |
| 123 if (*it == child) { | |
| 124 scoped_ptr<LayerImpl> ret = children_.take(it); | |
| 125 children_.erase(it); | |
| 126 layer_tree_impl()->set_needs_update_draw_properties(); | |
| 127 return ret.Pass(); | |
| 128 } | |
| 129 } | |
| 130 return nullptr; | |
| 131 } | |
| 132 | |
| 133 void LayerImpl::SetParent(LayerImpl* parent) { | |
| 134 if (parent_should_know_need_push_properties()) { | |
| 135 if (parent_) | |
| 136 parent_->RemoveDependentNeedsPushProperties(); | |
| 137 if (parent) | |
| 138 parent->AddDependentNeedsPushProperties(); | |
| 139 } | |
| 140 parent_ = parent; | |
| 141 } | |
| 142 | |
| 143 void LayerImpl::ClearChildList() { | |
| 144 if (children_.empty()) | |
| 145 return; | |
| 146 | |
| 147 children_.clear(); | |
| 148 layer_tree_impl()->set_needs_update_draw_properties(); | |
| 149 } | |
| 150 | |
| 151 bool LayerImpl::HasAncestor(const LayerImpl* ancestor) const { | |
| 152 if (!ancestor) | |
| 153 return false; | |
| 154 | |
| 155 for (const LayerImpl* layer = this; layer; layer = layer->parent()) { | |
| 156 if (layer == ancestor) | |
| 157 return true; | |
| 158 } | |
| 159 | |
| 160 return false; | |
| 161 } | |
| 162 | |
| 163 void LayerImpl::SetScrollParent(LayerImpl* parent) { | |
| 164 if (scroll_parent_ == parent) | |
| 165 return; | |
| 166 | |
| 167 // Having both a scroll parent and a scroll offset delegate is unsupported. | |
| 168 DCHECK(!scroll_offset_delegate_); | |
| 169 | |
| 170 if (parent) | |
| 171 DCHECK_EQ(layer_tree_impl()->LayerById(parent->id()), parent); | |
| 172 | |
| 173 scroll_parent_ = parent; | |
| 174 SetNeedsPushProperties(); | |
| 175 } | |
| 176 | |
| 177 void LayerImpl::SetDebugInfo( | |
| 178 scoped_refptr<base::trace_event::ConvertableToTraceFormat> other) { | |
| 179 debug_info_ = other; | |
| 180 SetNeedsPushProperties(); | |
| 181 } | |
| 182 | |
| 183 void LayerImpl::SetScrollChildren(std::set<LayerImpl*>* children) { | |
| 184 if (scroll_children_.get() == children) | |
| 185 return; | |
| 186 scroll_children_.reset(children); | |
| 187 SetNeedsPushProperties(); | |
| 188 } | |
| 189 | |
| 190 void LayerImpl::SetNumDescendantsThatDrawContent(int num_descendants) { | |
| 191 if (num_descendants_that_draw_content_ == num_descendants) | |
| 192 return; | |
| 193 num_descendants_that_draw_content_ = num_descendants; | |
| 194 SetNeedsPushProperties(); | |
| 195 } | |
| 196 | |
| 197 void LayerImpl::SetClipParent(LayerImpl* ancestor) { | |
| 198 if (clip_parent_ == ancestor) | |
| 199 return; | |
| 200 | |
| 201 clip_parent_ = ancestor; | |
| 202 SetNeedsPushProperties(); | |
| 203 } | |
| 204 | |
| 205 void LayerImpl::SetClipChildren(std::set<LayerImpl*>* children) { | |
| 206 if (clip_children_.get() == children) | |
| 207 return; | |
| 208 clip_children_.reset(children); | |
| 209 SetNeedsPushProperties(); | |
| 210 } | |
| 211 | |
| 212 void LayerImpl::PassCopyRequests(ScopedPtrVector<CopyOutputRequest>* requests) { | |
| 213 if (requests->empty()) | |
| 214 return; | |
| 215 DCHECK(render_surface()); | |
| 216 bool was_empty = copy_requests_.empty(); | |
| 217 copy_requests_.insert_and_take(copy_requests_.end(), requests); | |
| 218 requests->clear(); | |
| 219 | |
| 220 if (was_empty && layer_tree_impl()->IsActiveTree()) | |
| 221 layer_tree_impl()->AddLayerWithCopyOutputRequest(this); | |
| 222 NoteLayerPropertyChangedForSubtree(); | |
| 223 } | |
| 224 | |
| 225 void LayerImpl::TakeCopyRequestsAndTransformToTarget( | |
| 226 ScopedPtrVector<CopyOutputRequest>* requests) { | |
| 227 DCHECK(!copy_requests_.empty()); | |
| 228 DCHECK(layer_tree_impl()->IsActiveTree()); | |
| 229 DCHECK_EQ(render_target(), this); | |
| 230 | |
| 231 size_t first_inserted_request = requests->size(); | |
| 232 requests->insert_and_take(requests->end(), ©_requests_); | |
| 233 copy_requests_.clear(); | |
| 234 | |
| 235 for (size_t i = first_inserted_request; i < requests->size(); ++i) { | |
| 236 CopyOutputRequest* request = requests->at(i); | |
| 237 if (!request->has_area()) | |
| 238 continue; | |
| 239 | |
| 240 gfx::Rect request_in_layer_space = request->area(); | |
| 241 gfx::Rect request_in_content_space = | |
| 242 LayerRectToContentRect(request_in_layer_space); | |
| 243 request->set_area(MathUtil::MapEnclosingClippedRect( | |
| 244 draw_properties_.target_space_transform, request_in_content_space)); | |
| 245 } | |
| 246 | |
| 247 layer_tree_impl()->RemoveLayerWithCopyOutputRequest(this); | |
| 248 layer_tree_impl()->set_needs_update_draw_properties(); | |
| 249 } | |
| 250 | |
| 251 void LayerImpl::ClearRenderSurfaceLayerList() { | |
| 252 if (render_surface_) | |
| 253 render_surface_->ClearLayerLists(); | |
| 254 } | |
| 255 | |
| 256 void LayerImpl::PopulateSharedQuadState(SharedQuadState* state) const { | |
| 257 state->SetAll( | |
| 258 draw_properties_.target_space_transform, draw_properties_.content_bounds, | |
| 259 draw_properties_.visible_content_rect, draw_properties_.clip_rect, | |
| 260 draw_properties_.is_clipped, draw_properties_.opacity, | |
| 261 draw_properties_.blend_mode, sorting_context_id_); | |
| 262 } | |
| 263 | |
| 264 void LayerImpl::PopulateScaledSharedQuadState(SharedQuadState* state, | |
| 265 float scale) const { | |
| 266 gfx::Transform scaled_draw_transform = | |
| 267 draw_properties_.target_space_transform; | |
| 268 scaled_draw_transform.Scale(SK_MScalar1 / scale, SK_MScalar1 / scale); | |
| 269 gfx::Size scaled_content_bounds = | |
| 270 gfx::ToCeiledSize(gfx::ScaleSize(bounds(), scale)); | |
| 271 gfx::Rect scaled_visible_content_rect = | |
| 272 gfx::ScaleToEnclosingRect(visible_content_rect(), scale); | |
| 273 scaled_visible_content_rect.Intersect(gfx::Rect(scaled_content_bounds)); | |
| 274 | |
| 275 state->SetAll(scaled_draw_transform, scaled_content_bounds, | |
| 276 scaled_visible_content_rect, draw_properties().clip_rect, | |
| 277 draw_properties().is_clipped, draw_properties().opacity, | |
| 278 draw_properties().blend_mode, sorting_context_id_); | |
| 279 } | |
| 280 | |
| 281 bool LayerImpl::WillDraw(DrawMode draw_mode, | |
| 282 ResourceProvider* resource_provider) { | |
| 283 // WillDraw/DidDraw must be matched. | |
| 284 DCHECK_NE(DRAW_MODE_NONE, draw_mode); | |
| 285 DCHECK_EQ(DRAW_MODE_NONE, current_draw_mode_); | |
| 286 current_draw_mode_ = draw_mode; | |
| 287 return true; | |
| 288 } | |
| 289 | |
| 290 void LayerImpl::DidDraw(ResourceProvider* resource_provider) { | |
| 291 DCHECK_NE(DRAW_MODE_NONE, current_draw_mode_); | |
| 292 current_draw_mode_ = DRAW_MODE_NONE; | |
| 293 } | |
| 294 | |
| 295 bool LayerImpl::ShowDebugBorders() const { | |
| 296 return layer_tree_impl()->debug_state().show_debug_borders; | |
| 297 } | |
| 298 | |
| 299 void LayerImpl::GetDebugBorderProperties(SkColor* color, float* width) const { | |
| 300 if (draws_content_) { | |
| 301 *color = DebugColors::ContentLayerBorderColor(); | |
| 302 *width = DebugColors::ContentLayerBorderWidth(layer_tree_impl()); | |
| 303 return; | |
| 304 } | |
| 305 | |
| 306 if (masks_to_bounds_) { | |
| 307 *color = DebugColors::MaskingLayerBorderColor(); | |
| 308 *width = DebugColors::MaskingLayerBorderWidth(layer_tree_impl()); | |
| 309 return; | |
| 310 } | |
| 311 | |
| 312 *color = DebugColors::ContainerLayerBorderColor(); | |
| 313 *width = DebugColors::ContainerLayerBorderWidth(layer_tree_impl()); | |
| 314 } | |
| 315 | |
| 316 void LayerImpl::AppendDebugBorderQuad( | |
| 317 RenderPass* render_pass, | |
| 318 const gfx::Size& content_bounds, | |
| 319 const SharedQuadState* shared_quad_state, | |
| 320 AppendQuadsData* append_quads_data) const { | |
| 321 SkColor color; | |
| 322 float width; | |
| 323 GetDebugBorderProperties(&color, &width); | |
| 324 AppendDebugBorderQuad(render_pass, | |
| 325 content_bounds, | |
| 326 shared_quad_state, | |
| 327 append_quads_data, | |
| 328 color, | |
| 329 width); | |
| 330 } | |
| 331 | |
| 332 void LayerImpl::AppendDebugBorderQuad(RenderPass* render_pass, | |
| 333 const gfx::Size& content_bounds, | |
| 334 const SharedQuadState* shared_quad_state, | |
| 335 AppendQuadsData* append_quads_data, | |
| 336 SkColor color, | |
| 337 float width) const { | |
| 338 if (!ShowDebugBorders()) | |
| 339 return; | |
| 340 | |
| 341 gfx::Rect quad_rect(content_bounds); | |
| 342 gfx::Rect visible_quad_rect(quad_rect); | |
| 343 DebugBorderDrawQuad* debug_border_quad = | |
| 344 render_pass->CreateAndAppendDrawQuad<DebugBorderDrawQuad>(); | |
| 345 debug_border_quad->SetNew( | |
| 346 shared_quad_state, quad_rect, visible_quad_rect, color, width); | |
| 347 if (contents_opaque()) { | |
| 348 // When opaque, draw a second inner border that is thicker than the outer | |
| 349 // border, but more transparent. | |
| 350 static const float kFillOpacity = 0.3f; | |
| 351 SkColor fill_color = SkColorSetA( | |
| 352 color, static_cast<uint8_t>(SkColorGetA(color) * kFillOpacity)); | |
| 353 float fill_width = width * 3; | |
| 354 gfx::Rect fill_rect = quad_rect; | |
| 355 fill_rect.Inset(fill_width / 2.f, fill_width / 2.f); | |
| 356 gfx::Rect visible_fill_rect = | |
| 357 gfx::IntersectRects(visible_quad_rect, fill_rect); | |
| 358 DebugBorderDrawQuad* fill_quad = | |
| 359 render_pass->CreateAndAppendDrawQuad<DebugBorderDrawQuad>(); | |
| 360 fill_quad->SetNew(shared_quad_state, fill_rect, visible_fill_rect, | |
| 361 fill_color, fill_width); | |
| 362 } | |
| 363 } | |
| 364 | |
| 365 bool LayerImpl::HasDelegatedContent() const { | |
| 366 return false; | |
| 367 } | |
| 368 | |
| 369 bool LayerImpl::HasContributingDelegatedRenderPasses() const { | |
| 370 return false; | |
| 371 } | |
| 372 | |
| 373 RenderPassId LayerImpl::FirstContributingRenderPassId() const { | |
| 374 return RenderPassId(0, 0); | |
| 375 } | |
| 376 | |
| 377 RenderPassId LayerImpl::NextContributingRenderPassId(RenderPassId id) const { | |
| 378 return RenderPassId(0, 0); | |
| 379 } | |
| 380 | |
| 381 void LayerImpl::GetContentsResourceId(ResourceProvider::ResourceId* resource_id, | |
| 382 gfx::Size* resource_size) const { | |
| 383 NOTREACHED(); | |
| 384 *resource_id = 0; | |
| 385 } | |
| 386 | |
| 387 gfx::Vector2dF LayerImpl::ScrollBy(const gfx::Vector2dF& scroll) { | |
| 388 RefreshFromScrollDelegate(); | |
| 389 | |
| 390 gfx::ScrollOffset adjusted_scroll(scroll); | |
| 391 if (layer_tree_impl()->settings().use_pinch_virtual_viewport) { | |
| 392 if (!user_scrollable_horizontal_) | |
| 393 adjusted_scroll.set_x(0); | |
| 394 if (!user_scrollable_vertical_) | |
| 395 adjusted_scroll.set_y(0); | |
| 396 } | |
| 397 DCHECK(scrollable()); | |
| 398 gfx::ScrollOffset old_offset = CurrentScrollOffset(); | |
| 399 gfx::ScrollOffset new_offset = | |
| 400 ClampScrollOffsetToLimits(old_offset + adjusted_scroll); | |
| 401 SetCurrentScrollOffset(new_offset); | |
| 402 | |
| 403 gfx::ScrollOffset unscrolled = | |
| 404 old_offset + gfx::ScrollOffset(scroll) - new_offset; | |
| 405 return gfx::Vector2dF(unscrolled.x(), unscrolled.y()); | |
| 406 } | |
| 407 | |
| 408 void LayerImpl::SetScrollClipLayer(int scroll_clip_layer_id) { | |
| 409 scroll_clip_layer_ = layer_tree_impl()->LayerById(scroll_clip_layer_id); | |
| 410 } | |
| 411 | |
| 412 bool LayerImpl::user_scrollable(ScrollbarOrientation orientation) const { | |
| 413 return (orientation == HORIZONTAL) ? user_scrollable_horizontal_ | |
| 414 : user_scrollable_vertical_; | |
| 415 } | |
| 416 | |
| 417 void LayerImpl::ApplySentScrollDeltasFromAbortedCommit() { | |
| 418 DCHECK(layer_tree_impl()->IsActiveTree()); | |
| 419 scroll_offset_->AbortCommit(); | |
| 420 } | |
| 421 | |
| 422 InputHandler::ScrollStatus LayerImpl::TryScroll( | |
| 423 const gfx::PointF& screen_space_point, | |
| 424 InputHandler::ScrollInputType type, | |
| 425 ScrollBlocksOn effective_block_mode) const { | |
| 426 if (should_scroll_on_main_thread()) { | |
| 427 TRACE_EVENT0("cc", "LayerImpl::TryScroll: Failed ShouldScrollOnMainThread"); | |
| 428 return InputHandler::SCROLL_ON_MAIN_THREAD; | |
| 429 } | |
| 430 | |
| 431 if (!screen_space_transform().IsInvertible()) { | |
| 432 TRACE_EVENT0("cc", "LayerImpl::TryScroll: Ignored NonInvertibleTransform"); | |
| 433 return InputHandler::SCROLL_IGNORED; | |
| 434 } | |
| 435 | |
| 436 if (!non_fast_scrollable_region().IsEmpty()) { | |
| 437 bool clipped = false; | |
| 438 gfx::Transform inverse_screen_space_transform( | |
| 439 gfx::Transform::kSkipInitialization); | |
| 440 if (!screen_space_transform().GetInverse(&inverse_screen_space_transform)) { | |
| 441 // TODO(shawnsingh): We shouldn't be applying a projection if screen space | |
| 442 // transform is uninvertible here. Perhaps we should be returning | |
| 443 // SCROLL_ON_MAIN_THREAD in this case? | |
| 444 } | |
| 445 | |
| 446 gfx::PointF hit_test_point_in_content_space = | |
| 447 MathUtil::ProjectPoint(inverse_screen_space_transform, | |
| 448 screen_space_point, | |
| 449 &clipped); | |
| 450 gfx::PointF hit_test_point_in_layer_space = | |
| 451 gfx::ScalePoint(hit_test_point_in_content_space, | |
| 452 1.f / contents_scale_x(), | |
| 453 1.f / contents_scale_y()); | |
| 454 if (!clipped && | |
| 455 non_fast_scrollable_region().Contains( | |
| 456 gfx::ToRoundedPoint(hit_test_point_in_layer_space))) { | |
| 457 TRACE_EVENT0("cc", | |
| 458 "LayerImpl::tryScroll: Failed NonFastScrollableRegion"); | |
| 459 return InputHandler::SCROLL_ON_MAIN_THREAD; | |
| 460 } | |
| 461 } | |
| 462 | |
| 463 if (have_scroll_event_handlers() && | |
| 464 effective_block_mode & SCROLL_BLOCKS_ON_SCROLL_EVENT) { | |
| 465 TRACE_EVENT0("cc", "LayerImpl::tryScroll: Failed ScrollEventHandlers"); | |
| 466 return InputHandler::SCROLL_ON_MAIN_THREAD; | |
| 467 } | |
| 468 | |
| 469 if (type == InputHandler::WHEEL && have_wheel_event_handlers() && | |
| 470 effective_block_mode & SCROLL_BLOCKS_ON_WHEEL_EVENT) { | |
| 471 TRACE_EVENT0("cc", "LayerImpl::tryScroll: Failed WheelEventHandlers"); | |
| 472 return InputHandler::SCROLL_ON_MAIN_THREAD; | |
| 473 } | |
| 474 | |
| 475 if (!scrollable()) { | |
| 476 TRACE_EVENT0("cc", "LayerImpl::tryScroll: Ignored not scrollable"); | |
| 477 return InputHandler::SCROLL_IGNORED; | |
| 478 } | |
| 479 | |
| 480 gfx::ScrollOffset max_scroll_offset = MaxScrollOffset(); | |
| 481 if (max_scroll_offset.x() <= 0 && max_scroll_offset.y() <= 0) { | |
| 482 TRACE_EVENT0("cc", | |
| 483 "LayerImpl::tryScroll: Ignored. Technically scrollable," | |
| 484 " but has no affordance in either direction."); | |
| 485 return InputHandler::SCROLL_IGNORED; | |
| 486 } | |
| 487 | |
| 488 return InputHandler::SCROLL_STARTED; | |
| 489 } | |
| 490 | |
| 491 gfx::Rect LayerImpl::LayerRectToContentRect( | |
| 492 const gfx::RectF& layer_rect) const { | |
| 493 gfx::RectF content_rect = | |
| 494 gfx::ScaleRect(layer_rect, contents_scale_x(), contents_scale_y()); | |
| 495 // Intersect with content rect to avoid the extra pixel because for some | |
| 496 // values x and y, ceil((x / y) * y) may be x + 1. | |
| 497 content_rect.Intersect(gfx::Rect(content_bounds())); | |
| 498 return gfx::ToEnclosingRect(content_rect); | |
| 499 } | |
| 500 | |
| 501 skia::RefPtr<SkPicture> LayerImpl::GetPicture() { | |
| 502 return skia::RefPtr<SkPicture>(); | |
| 503 } | |
| 504 | |
| 505 scoped_ptr<LayerImpl> LayerImpl::CreateLayerImpl(LayerTreeImpl* tree_impl) { | |
| 506 return LayerImpl::Create(tree_impl, layer_id_, scroll_offset_); | |
| 507 } | |
| 508 | |
| 509 void LayerImpl::PushPropertiesTo(LayerImpl* layer) { | |
| 510 layer->SetTransformOrigin(transform_origin_); | |
| 511 layer->SetBackgroundColor(background_color_); | |
| 512 layer->SetBounds(bounds_); | |
| 513 layer->SetContentBounds(content_bounds()); | |
| 514 layer->SetContentsScale(contents_scale_x(), contents_scale_y()); | |
| 515 layer->SetDoubleSided(double_sided_); | |
| 516 layer->SetDrawCheckerboardForMissingTiles( | |
| 517 draw_checkerboard_for_missing_tiles_); | |
| 518 layer->SetDrawsContent(DrawsContent()); | |
| 519 layer->SetHideLayerAndSubtree(hide_layer_and_subtree_); | |
| 520 layer->SetHasRenderSurface(!!render_surface() || layer->HasCopyRequest()); | |
| 521 layer->SetFilters(filters()); | |
| 522 layer->SetBackgroundFilters(background_filters()); | |
| 523 layer->SetMasksToBounds(masks_to_bounds_); | |
| 524 layer->SetShouldScrollOnMainThread(should_scroll_on_main_thread_); | |
| 525 layer->SetHaveWheelEventHandlers(have_wheel_event_handlers_); | |
| 526 layer->SetHaveScrollEventHandlers(have_scroll_event_handlers_); | |
| 527 layer->SetScrollBlocksOn(scroll_blocks_on_); | |
| 528 layer->SetNonFastScrollableRegion(non_fast_scrollable_region_); | |
| 529 layer->SetTouchEventHandlerRegion(touch_event_handler_region_); | |
| 530 layer->SetContentsOpaque(contents_opaque_); | |
| 531 layer->SetOpacity(opacity_); | |
| 532 layer->SetBlendMode(blend_mode_); | |
| 533 layer->SetIsRootForIsolatedGroup(is_root_for_isolated_group_); | |
| 534 layer->SetPosition(position_); | |
| 535 layer->SetIsContainerForFixedPositionLayers( | |
| 536 is_container_for_fixed_position_layers_); | |
| 537 layer->SetPositionConstraint(position_constraint_); | |
| 538 layer->SetShouldFlattenTransform(should_flatten_transform_); | |
| 539 layer->SetUseParentBackfaceVisibility(use_parent_backface_visibility_); | |
| 540 layer->SetTransformAndInvertibility(transform_, transform_is_invertible_); | |
| 541 | |
| 542 layer->SetScrollClipLayer(scroll_clip_layer_ ? scroll_clip_layer_->id() | |
| 543 : Layer::INVALID_ID); | |
| 544 layer->set_user_scrollable_horizontal(user_scrollable_horizontal_); | |
| 545 layer->set_user_scrollable_vertical(user_scrollable_vertical_); | |
| 546 | |
| 547 layer->SetScrollCompensationAdjustment(scroll_compensation_adjustment_); | |
| 548 | |
| 549 layer->PushScrollOffset(nullptr); | |
| 550 | |
| 551 layer->Set3dSortingContextId(sorting_context_id_); | |
| 552 layer->SetNumDescendantsThatDrawContent(num_descendants_that_draw_content_); | |
| 553 | |
| 554 LayerImpl* scroll_parent = nullptr; | |
| 555 if (scroll_parent_) { | |
| 556 scroll_parent = layer->layer_tree_impl()->LayerById(scroll_parent_->id()); | |
| 557 DCHECK(scroll_parent); | |
| 558 } | |
| 559 | |
| 560 layer->SetScrollParent(scroll_parent); | |
| 561 if (scroll_children_) { | |
| 562 std::set<LayerImpl*>* scroll_children = new std::set<LayerImpl*>; | |
| 563 for (std::set<LayerImpl*>::iterator it = scroll_children_->begin(); | |
| 564 it != scroll_children_->end(); | |
| 565 ++it) { | |
| 566 DCHECK_EQ((*it)->scroll_parent(), this); | |
| 567 LayerImpl* scroll_child = | |
| 568 layer->layer_tree_impl()->LayerById((*it)->id()); | |
| 569 DCHECK(scroll_child); | |
| 570 scroll_children->insert(scroll_child); | |
| 571 } | |
| 572 layer->SetScrollChildren(scroll_children); | |
| 573 } else { | |
| 574 layer->SetScrollChildren(nullptr); | |
| 575 } | |
| 576 | |
| 577 LayerImpl* clip_parent = nullptr; | |
| 578 if (clip_parent_) { | |
| 579 clip_parent = layer->layer_tree_impl()->LayerById( | |
| 580 clip_parent_->id()); | |
| 581 DCHECK(clip_parent); | |
| 582 } | |
| 583 | |
| 584 layer->SetClipParent(clip_parent); | |
| 585 if (clip_children_) { | |
| 586 std::set<LayerImpl*>* clip_children = new std::set<LayerImpl*>; | |
| 587 for (std::set<LayerImpl*>::iterator it = clip_children_->begin(); | |
| 588 it != clip_children_->end(); ++it) | |
| 589 clip_children->insert(layer->layer_tree_impl()->LayerById((*it)->id())); | |
| 590 layer->SetClipChildren(clip_children); | |
| 591 } else { | |
| 592 layer->SetClipChildren(nullptr); | |
| 593 } | |
| 594 | |
| 595 layer->PassCopyRequests(©_requests_); | |
| 596 | |
| 597 // If the main thread commits multiple times before the impl thread actually | |
| 598 // draws, then damage tracking will become incorrect if we simply clobber the | |
| 599 // update_rect here. The LayerImpl's update_rect needs to accumulate (i.e. | |
| 600 // union) any update changes that have occurred on the main thread. | |
| 601 update_rect_.Union(layer->update_rect()); | |
| 602 layer->SetUpdateRect(update_rect_); | |
| 603 | |
| 604 layer->SetStackingOrderChanged(stacking_order_changed_); | |
| 605 layer->SetDebugInfo(debug_info_); | |
| 606 | |
| 607 if (frame_timing_requests_dirty_) { | |
| 608 layer->PassFrameTimingRequests(&frame_timing_requests_); | |
| 609 frame_timing_requests_dirty_ = false; | |
| 610 } | |
| 611 | |
| 612 // Reset any state that should be cleared for the next update. | |
| 613 stacking_order_changed_ = false; | |
| 614 update_rect_ = gfx::Rect(); | |
| 615 needs_push_properties_ = false; | |
| 616 num_dependents_need_push_properties_ = 0; | |
| 617 } | |
| 618 | |
| 619 gfx::Vector2dF LayerImpl::FixedContainerSizeDelta() const { | |
| 620 if (!scroll_clip_layer_) | |
| 621 return gfx::Vector2dF(); | |
| 622 | |
| 623 gfx::Vector2dF delta_from_scroll = scroll_clip_layer_->bounds_delta(); | |
| 624 | |
| 625 // In virtual-viewport mode, we don't need to compensate for pinch zoom or | |
| 626 // scale since the fixed container is the outer viewport, which sits below | |
| 627 // the page scale. | |
| 628 if (layer_tree_impl()->settings().use_pinch_virtual_viewport) | |
| 629 return delta_from_scroll; | |
| 630 | |
| 631 float scale_delta = layer_tree_impl()->page_scale_delta(); | |
| 632 float scale = layer_tree_impl()->current_page_scale_factor() / | |
| 633 layer_tree_impl()->page_scale_delta(); | |
| 634 | |
| 635 delta_from_scroll.Scale(1.f / scale); | |
| 636 | |
| 637 // The delta-from-pinch component requires some explanation: A viewport of | |
| 638 // size (w,h) will appear to be size (w/s,h/s) under scale s in the content | |
| 639 // space. If s -> s' on the impl thread, where s' = s * ds, then the apparent | |
| 640 // viewport size change in the content space due to ds is: | |
| 641 // | |
| 642 // (w/s',h/s') - (w/s,h/s) = (w,h)(1/s' - 1/s) = (w,h)(1 - ds)/(s ds) | |
| 643 // | |
| 644 gfx::Vector2dF delta_from_pinch = | |
| 645 gfx::Rect(scroll_clip_layer_->bounds()).bottom_right() - gfx::PointF(); | |
| 646 delta_from_pinch.Scale((1.f - scale_delta) / (scale * scale_delta)); | |
| 647 | |
| 648 return delta_from_scroll + delta_from_pinch; | |
| 649 } | |
| 650 | |
| 651 base::DictionaryValue* LayerImpl::LayerTreeAsJson() const { | |
| 652 base::DictionaryValue* result = new base::DictionaryValue; | |
| 653 result->SetString("LayerType", LayerTypeAsString()); | |
| 654 | |
| 655 base::ListValue* list = new base::ListValue; | |
| 656 list->AppendInteger(bounds().width()); | |
| 657 list->AppendInteger(bounds().height()); | |
| 658 result->Set("Bounds", list); | |
| 659 | |
| 660 list = new base::ListValue; | |
| 661 list->AppendDouble(position_.x()); | |
| 662 list->AppendDouble(position_.y()); | |
| 663 result->Set("Position", list); | |
| 664 | |
| 665 const gfx::Transform& gfx_transform = draw_properties_.target_space_transform; | |
| 666 double transform[16]; | |
| 667 gfx_transform.matrix().asColMajord(transform); | |
| 668 list = new base::ListValue; | |
| 669 for (int i = 0; i < 16; ++i) | |
| 670 list->AppendDouble(transform[i]); | |
| 671 result->Set("DrawTransform", list); | |
| 672 | |
| 673 result->SetBoolean("DrawsContent", draws_content_); | |
| 674 result->SetBoolean("Is3dSorted", Is3dSorted()); | |
| 675 result->SetDouble("OPACITY", opacity()); | |
| 676 result->SetBoolean("ContentsOpaque", contents_opaque_); | |
| 677 | |
| 678 if (scrollable()) | |
| 679 result->SetBoolean("Scrollable", true); | |
| 680 | |
| 681 if (have_wheel_event_handlers_) | |
| 682 result->SetBoolean("WheelHandler", have_wheel_event_handlers_); | |
| 683 if (have_scroll_event_handlers_) | |
| 684 result->SetBoolean("ScrollHandler", have_scroll_event_handlers_); | |
| 685 if (!touch_event_handler_region_.IsEmpty()) { | |
| 686 scoped_ptr<base::Value> region = touch_event_handler_region_.AsValue(); | |
| 687 result->Set("TouchRegion", region.release()); | |
| 688 } | |
| 689 | |
| 690 if (scroll_blocks_on_) { | |
| 691 list = new base::ListValue; | |
| 692 if (scroll_blocks_on_ & SCROLL_BLOCKS_ON_START_TOUCH) | |
| 693 list->AppendString("StartTouch"); | |
| 694 if (scroll_blocks_on_ & SCROLL_BLOCKS_ON_WHEEL_EVENT) | |
| 695 list->AppendString("WheelEvent"); | |
| 696 if (scroll_blocks_on_ & SCROLL_BLOCKS_ON_SCROLL_EVENT) | |
| 697 list->AppendString("ScrollEvent"); | |
| 698 result->Set("ScrollBlocksOn", list); | |
| 699 } | |
| 700 | |
| 701 list = new base::ListValue; | |
| 702 for (size_t i = 0; i < children_.size(); ++i) | |
| 703 list->Append(children_[i]->LayerTreeAsJson()); | |
| 704 result->Set("Children", list); | |
| 705 | |
| 706 return result; | |
| 707 } | |
| 708 | |
| 709 void LayerImpl::SetStackingOrderChanged(bool stacking_order_changed) { | |
| 710 if (stacking_order_changed) { | |
| 711 stacking_order_changed_ = true; | |
| 712 NoteLayerPropertyChangedForSubtree(); | |
| 713 } | |
| 714 } | |
| 715 | |
| 716 void LayerImpl::NoteLayerPropertyChanged() { | |
| 717 layer_property_changed_ = true; | |
| 718 layer_tree_impl()->set_needs_update_draw_properties(); | |
| 719 SetNeedsPushProperties(); | |
| 720 } | |
| 721 | |
| 722 void LayerImpl::NoteLayerPropertyChangedForSubtree() { | |
| 723 layer_property_changed_ = true; | |
| 724 layer_tree_impl()->set_needs_update_draw_properties(); | |
| 725 for (size_t i = 0; i < children_.size(); ++i) | |
| 726 children_[i]->NoteLayerPropertyChangedForDescendantsInternal(); | |
| 727 SetNeedsPushProperties(); | |
| 728 } | |
| 729 | |
| 730 void LayerImpl::NoteLayerPropertyChangedForDescendantsInternal() { | |
| 731 layer_property_changed_ = true; | |
| 732 for (size_t i = 0; i < children_.size(); ++i) | |
| 733 children_[i]->NoteLayerPropertyChangedForDescendantsInternal(); | |
| 734 } | |
| 735 | |
| 736 void LayerImpl::NoteLayerPropertyChangedForDescendants() { | |
| 737 layer_tree_impl()->set_needs_update_draw_properties(); | |
| 738 for (size_t i = 0; i < children_.size(); ++i) | |
| 739 children_[i]->NoteLayerPropertyChangedForDescendantsInternal(); | |
| 740 SetNeedsPushProperties(); | |
| 741 } | |
| 742 | |
| 743 const char* LayerImpl::LayerTypeAsString() const { | |
| 744 return "cc::LayerImpl"; | |
| 745 } | |
| 746 | |
| 747 void LayerImpl::ResetAllChangeTrackingForSubtree() { | |
| 748 layer_property_changed_ = false; | |
| 749 | |
| 750 update_rect_ = gfx::Rect(); | |
| 751 damage_rect_ = gfx::RectF(); | |
| 752 | |
| 753 if (render_surface_) | |
| 754 render_surface_->ResetPropertyChangedFlag(); | |
| 755 | |
| 756 if (mask_layer_) | |
| 757 mask_layer_->ResetAllChangeTrackingForSubtree(); | |
| 758 | |
| 759 if (replica_layer_) { | |
| 760 // This also resets the replica mask, if it exists. | |
| 761 replica_layer_->ResetAllChangeTrackingForSubtree(); | |
| 762 } | |
| 763 | |
| 764 for (size_t i = 0; i < children_.size(); ++i) | |
| 765 children_[i]->ResetAllChangeTrackingForSubtree(); | |
| 766 | |
| 767 needs_push_properties_ = false; | |
| 768 num_dependents_need_push_properties_ = 0; | |
| 769 } | |
| 770 | |
| 771 gfx::ScrollOffset LayerImpl::ScrollOffsetForAnimation() const { | |
| 772 return CurrentScrollOffset(); | |
| 773 } | |
| 774 | |
| 775 void LayerImpl::OnFilterAnimated(const FilterOperations& filters) { | |
| 776 SetFilters(filters); | |
| 777 } | |
| 778 | |
| 779 void LayerImpl::OnOpacityAnimated(float opacity) { | |
| 780 SetOpacity(opacity); | |
| 781 } | |
| 782 | |
| 783 void LayerImpl::OnTransformAnimated(const gfx::Transform& transform) { | |
| 784 SetTransform(transform); | |
| 785 } | |
| 786 | |
| 787 void LayerImpl::OnScrollOffsetAnimated(const gfx::ScrollOffset& scroll_offset) { | |
| 788 // Only layers in the active tree should need to do anything here, since | |
| 789 // layers in the pending tree will find out about these changes as a | |
| 790 // result of the shared SyncedProperty. | |
| 791 if (!IsActive()) | |
| 792 return; | |
| 793 | |
| 794 SetCurrentScrollOffset(scroll_offset); | |
| 795 | |
| 796 layer_tree_impl_->DidAnimateScrollOffset(); | |
| 797 } | |
| 798 | |
| 799 void LayerImpl::OnAnimationWaitingForDeletion() {} | |
| 800 | |
| 801 bool LayerImpl::IsActive() const { | |
| 802 return layer_tree_impl_->IsActiveTree(); | |
| 803 } | |
| 804 | |
| 805 gfx::Size LayerImpl::bounds() const { | |
| 806 gfx::Vector2d delta = gfx::ToCeiledVector2d(bounds_delta_); | |
| 807 return gfx::Size(bounds_.width() + delta.x(), | |
| 808 bounds_.height() + delta.y()); | |
| 809 } | |
| 810 | |
| 811 gfx::SizeF LayerImpl::BoundsForScrolling() const { | |
| 812 return gfx::SizeF(bounds_.width() + bounds_delta_.x(), | |
| 813 bounds_.height() + bounds_delta_.y()); | |
| 814 } | |
| 815 | |
| 816 void LayerImpl::SetBounds(const gfx::Size& bounds) { | |
| 817 if (bounds_ == bounds) | |
| 818 return; | |
| 819 | |
| 820 bounds_ = bounds; | |
| 821 | |
| 822 ScrollbarParametersDidChange(true); | |
| 823 if (masks_to_bounds()) | |
| 824 NoteLayerPropertyChangedForSubtree(); | |
| 825 else | |
| 826 NoteLayerPropertyChanged(); | |
| 827 } | |
| 828 | |
| 829 void LayerImpl::SetBoundsDelta(const gfx::Vector2dF& bounds_delta) { | |
| 830 if (bounds_delta_ == bounds_delta) | |
| 831 return; | |
| 832 | |
| 833 bounds_delta_ = bounds_delta; | |
| 834 | |
| 835 ScrollbarParametersDidChange(true); | |
| 836 if (masks_to_bounds()) | |
| 837 NoteLayerPropertyChangedForSubtree(); | |
| 838 else | |
| 839 NoteLayerPropertyChanged(); | |
| 840 } | |
| 841 | |
| 842 void LayerImpl::SetMaskLayer(scoped_ptr<LayerImpl> mask_layer) { | |
| 843 int new_layer_id = mask_layer ? mask_layer->id() : -1; | |
| 844 | |
| 845 if (mask_layer) { | |
| 846 DCHECK_EQ(layer_tree_impl(), mask_layer->layer_tree_impl()); | |
| 847 DCHECK_NE(new_layer_id, mask_layer_id_); | |
| 848 } else if (new_layer_id == mask_layer_id_) { | |
| 849 return; | |
| 850 } | |
| 851 | |
| 852 mask_layer_ = mask_layer.Pass(); | |
| 853 mask_layer_id_ = new_layer_id; | |
| 854 if (mask_layer_) | |
| 855 mask_layer_->SetParent(this); | |
| 856 NoteLayerPropertyChangedForSubtree(); | |
| 857 } | |
| 858 | |
| 859 scoped_ptr<LayerImpl> LayerImpl::TakeMaskLayer() { | |
| 860 mask_layer_id_ = -1; | |
| 861 return mask_layer_.Pass(); | |
| 862 } | |
| 863 | |
| 864 void LayerImpl::SetReplicaLayer(scoped_ptr<LayerImpl> replica_layer) { | |
| 865 int new_layer_id = replica_layer ? replica_layer->id() : -1; | |
| 866 | |
| 867 if (replica_layer) { | |
| 868 DCHECK_EQ(layer_tree_impl(), replica_layer->layer_tree_impl()); | |
| 869 DCHECK_NE(new_layer_id, replica_layer_id_); | |
| 870 } else if (new_layer_id == replica_layer_id_) { | |
| 871 return; | |
| 872 } | |
| 873 | |
| 874 replica_layer_ = replica_layer.Pass(); | |
| 875 replica_layer_id_ = new_layer_id; | |
| 876 if (replica_layer_) | |
| 877 replica_layer_->SetParent(this); | |
| 878 NoteLayerPropertyChangedForSubtree(); | |
| 879 } | |
| 880 | |
| 881 scoped_ptr<LayerImpl> LayerImpl::TakeReplicaLayer() { | |
| 882 replica_layer_id_ = -1; | |
| 883 return replica_layer_.Pass(); | |
| 884 } | |
| 885 | |
| 886 ScrollbarLayerImplBase* LayerImpl::ToScrollbarLayer() { | |
| 887 return nullptr; | |
| 888 } | |
| 889 | |
| 890 void LayerImpl::SetDrawsContent(bool draws_content) { | |
| 891 if (draws_content_ == draws_content) | |
| 892 return; | |
| 893 | |
| 894 draws_content_ = draws_content; | |
| 895 NoteLayerPropertyChanged(); | |
| 896 } | |
| 897 | |
| 898 void LayerImpl::SetHideLayerAndSubtree(bool hide) { | |
| 899 if (hide_layer_and_subtree_ == hide) | |
| 900 return; | |
| 901 | |
| 902 hide_layer_and_subtree_ = hide; | |
| 903 NoteLayerPropertyChangedForSubtree(); | |
| 904 } | |
| 905 | |
| 906 void LayerImpl::SetTransformOrigin(const gfx::Point3F& transform_origin) { | |
| 907 if (transform_origin_ == transform_origin) | |
| 908 return; | |
| 909 transform_origin_ = transform_origin; | |
| 910 NoteLayerPropertyChangedForSubtree(); | |
| 911 } | |
| 912 | |
| 913 void LayerImpl::SetBackgroundColor(SkColor background_color) { | |
| 914 if (background_color_ == background_color) | |
| 915 return; | |
| 916 | |
| 917 background_color_ = background_color; | |
| 918 NoteLayerPropertyChanged(); | |
| 919 } | |
| 920 | |
| 921 SkColor LayerImpl::SafeOpaqueBackgroundColor() const { | |
| 922 SkColor color = background_color(); | |
| 923 if (SkColorGetA(color) == 255 && !contents_opaque()) { | |
| 924 color = SK_ColorTRANSPARENT; | |
| 925 } else if (SkColorGetA(color) != 255 && contents_opaque()) { | |
| 926 for (const LayerImpl* layer = parent(); layer; | |
| 927 layer = layer->parent()) { | |
| 928 color = layer->background_color(); | |
| 929 if (SkColorGetA(color) == 255) | |
| 930 break; | |
| 931 } | |
| 932 if (SkColorGetA(color) != 255) | |
| 933 color = layer_tree_impl()->background_color(); | |
| 934 if (SkColorGetA(color) != 255) | |
| 935 color = SkColorSetA(color, 255); | |
| 936 } | |
| 937 return color; | |
| 938 } | |
| 939 | |
| 940 void LayerImpl::SetFilters(const FilterOperations& filters) { | |
| 941 if (filters_ == filters) | |
| 942 return; | |
| 943 | |
| 944 filters_ = filters; | |
| 945 NoteLayerPropertyChangedForSubtree(); | |
| 946 } | |
| 947 | |
| 948 bool LayerImpl::FilterIsAnimating() const { | |
| 949 return layer_animation_controller_->IsAnimatingProperty(Animation::FILTER); | |
| 950 } | |
| 951 | |
| 952 bool LayerImpl::FilterIsAnimatingOnImplOnly() const { | |
| 953 Animation* filter_animation = | |
| 954 layer_animation_controller_->GetAnimation(Animation::FILTER); | |
| 955 return filter_animation && filter_animation->is_impl_only(); | |
| 956 } | |
| 957 | |
| 958 void LayerImpl::SetBackgroundFilters( | |
| 959 const FilterOperations& filters) { | |
| 960 if (background_filters_ == filters) | |
| 961 return; | |
| 962 | |
| 963 background_filters_ = filters; | |
| 964 NoteLayerPropertyChanged(); | |
| 965 } | |
| 966 | |
| 967 void LayerImpl::SetMasksToBounds(bool masks_to_bounds) { | |
| 968 if (masks_to_bounds_ == masks_to_bounds) | |
| 969 return; | |
| 970 | |
| 971 masks_to_bounds_ = masks_to_bounds; | |
| 972 NoteLayerPropertyChangedForSubtree(); | |
| 973 } | |
| 974 | |
| 975 void LayerImpl::SetContentsOpaque(bool opaque) { | |
| 976 if (contents_opaque_ == opaque) | |
| 977 return; | |
| 978 | |
| 979 contents_opaque_ = opaque; | |
| 980 NoteLayerPropertyChangedForSubtree(); | |
| 981 } | |
| 982 | |
| 983 void LayerImpl::SetOpacity(float opacity) { | |
| 984 if (opacity_ == opacity) | |
| 985 return; | |
| 986 | |
| 987 opacity_ = opacity; | |
| 988 NoteLayerPropertyChangedForSubtree(); | |
| 989 } | |
| 990 | |
| 991 bool LayerImpl::OpacityIsAnimating() const { | |
| 992 return layer_animation_controller_->IsAnimatingProperty(Animation::OPACITY); | |
| 993 } | |
| 994 | |
| 995 bool LayerImpl::OpacityIsAnimatingOnImplOnly() const { | |
| 996 Animation* opacity_animation = | |
| 997 layer_animation_controller_->GetAnimation(Animation::OPACITY); | |
| 998 return opacity_animation && opacity_animation->is_impl_only(); | |
| 999 } | |
| 1000 | |
| 1001 void LayerImpl::SetBlendMode(SkXfermode::Mode blend_mode) { | |
| 1002 if (blend_mode_ == blend_mode) | |
| 1003 return; | |
| 1004 | |
| 1005 blend_mode_ = blend_mode; | |
| 1006 NoteLayerPropertyChangedForSubtree(); | |
| 1007 } | |
| 1008 | |
| 1009 void LayerImpl::SetIsRootForIsolatedGroup(bool root) { | |
| 1010 if (is_root_for_isolated_group_ == root) | |
| 1011 return; | |
| 1012 | |
| 1013 is_root_for_isolated_group_ = root; | |
| 1014 SetNeedsPushProperties(); | |
| 1015 } | |
| 1016 | |
| 1017 void LayerImpl::SetPosition(const gfx::PointF& position) { | |
| 1018 if (position_ == position) | |
| 1019 return; | |
| 1020 | |
| 1021 position_ = position; | |
| 1022 NoteLayerPropertyChangedForSubtree(); | |
| 1023 } | |
| 1024 | |
| 1025 void LayerImpl::SetShouldFlattenTransform(bool flatten) { | |
| 1026 if (should_flatten_transform_ == flatten) | |
| 1027 return; | |
| 1028 | |
| 1029 should_flatten_transform_ = flatten; | |
| 1030 NoteLayerPropertyChangedForSubtree(); | |
| 1031 } | |
| 1032 | |
| 1033 void LayerImpl::Set3dSortingContextId(int id) { | |
| 1034 if (id == sorting_context_id_) | |
| 1035 return; | |
| 1036 sorting_context_id_ = id; | |
| 1037 NoteLayerPropertyChangedForSubtree(); | |
| 1038 } | |
| 1039 | |
| 1040 void LayerImpl::PassFrameTimingRequests( | |
| 1041 std::vector<FrameTimingRequest>* requests) { | |
| 1042 frame_timing_requests_.swap(*requests); | |
| 1043 frame_timing_requests_dirty_ = true; | |
| 1044 SetNeedsPushProperties(); | |
| 1045 } | |
| 1046 | |
| 1047 void LayerImpl::SetTransform(const gfx::Transform& transform) { | |
| 1048 if (transform_ == transform) | |
| 1049 return; | |
| 1050 | |
| 1051 transform_ = transform; | |
| 1052 transform_is_invertible_ = transform_.IsInvertible(); | |
| 1053 NoteLayerPropertyChangedForSubtree(); | |
| 1054 } | |
| 1055 | |
| 1056 void LayerImpl::SetTransformAndInvertibility(const gfx::Transform& transform, | |
| 1057 bool transform_is_invertible) { | |
| 1058 if (transform_ == transform) { | |
| 1059 DCHECK(transform_is_invertible_ == transform_is_invertible) | |
| 1060 << "Can't change invertibility if transform is unchanged"; | |
| 1061 return; | |
| 1062 } | |
| 1063 transform_ = transform; | |
| 1064 transform_is_invertible_ = transform_is_invertible; | |
| 1065 NoteLayerPropertyChangedForSubtree(); | |
| 1066 } | |
| 1067 | |
| 1068 bool LayerImpl::TransformIsAnimating() const { | |
| 1069 return layer_animation_controller_->IsAnimatingProperty(Animation::TRANSFORM); | |
| 1070 } | |
| 1071 | |
| 1072 bool LayerImpl::TransformIsAnimatingOnImplOnly() const { | |
| 1073 Animation* transform_animation = | |
| 1074 layer_animation_controller_->GetAnimation(Animation::TRANSFORM); | |
| 1075 return transform_animation && transform_animation->is_impl_only(); | |
| 1076 } | |
| 1077 | |
| 1078 void LayerImpl::SetUpdateRect(const gfx::Rect& update_rect) { | |
| 1079 update_rect_ = update_rect; | |
| 1080 SetNeedsPushProperties(); | |
| 1081 } | |
| 1082 | |
| 1083 void LayerImpl::AddDamageRect(const gfx::RectF& damage_rect) { | |
| 1084 damage_rect_ = gfx::UnionRects(damage_rect_, damage_rect); | |
| 1085 } | |
| 1086 | |
| 1087 void LayerImpl::SetContentBounds(const gfx::Size& content_bounds) { | |
| 1088 if (this->content_bounds() == content_bounds) | |
| 1089 return; | |
| 1090 | |
| 1091 draw_properties_.content_bounds = content_bounds; | |
| 1092 NoteLayerPropertyChanged(); | |
| 1093 } | |
| 1094 | |
| 1095 void LayerImpl::SetContentsScale(float contents_scale_x, | |
| 1096 float contents_scale_y) { | |
| 1097 if (this->contents_scale_x() == contents_scale_x && | |
| 1098 this->contents_scale_y() == contents_scale_y) | |
| 1099 return; | |
| 1100 | |
| 1101 draw_properties_.contents_scale_x = contents_scale_x; | |
| 1102 draw_properties_.contents_scale_y = contents_scale_y; | |
| 1103 NoteLayerPropertyChanged(); | |
| 1104 } | |
| 1105 | |
| 1106 void LayerImpl::SetScrollOffsetDelegate( | |
| 1107 ScrollOffsetDelegate* scroll_offset_delegate) { | |
| 1108 // Having both a scroll parent and a scroll offset delegate is unsupported. | |
| 1109 DCHECK(!scroll_parent_); | |
| 1110 RefreshFromScrollDelegate(); | |
| 1111 scroll_offset_delegate_ = scroll_offset_delegate; | |
| 1112 if (scroll_offset_delegate_) | |
| 1113 scroll_offset_delegate_->SetCurrentScrollOffset(CurrentScrollOffset()); | |
| 1114 } | |
| 1115 | |
| 1116 bool LayerImpl::IsExternalFlingActive() const { | |
| 1117 return scroll_offset_delegate_ && | |
| 1118 scroll_offset_delegate_->IsExternalFlingActive(); | |
| 1119 } | |
| 1120 | |
| 1121 void LayerImpl::SetCurrentScrollOffset(const gfx::ScrollOffset& scroll_offset) { | |
| 1122 DCHECK(IsActive()); | |
| 1123 if (scroll_offset_->SetCurrent(scroll_offset)) | |
| 1124 DidUpdateScrollOffset(); | |
| 1125 } | |
| 1126 | |
| 1127 void LayerImpl::PushScrollOffsetFromMainThread( | |
| 1128 const gfx::ScrollOffset& scroll_offset) { | |
| 1129 PushScrollOffset(&scroll_offset); | |
| 1130 } | |
| 1131 | |
| 1132 void LayerImpl::PushScrollOffsetFromMainThreadAndClobberActiveValue( | |
| 1133 const gfx::ScrollOffset& scroll_offset) { | |
| 1134 scroll_offset_->set_clobber_active_value(); | |
| 1135 PushScrollOffset(&scroll_offset); | |
| 1136 } | |
| 1137 | |
| 1138 gfx::ScrollOffset LayerImpl::PullDeltaForMainThread() { | |
| 1139 RefreshFromScrollDelegate(); | |
| 1140 | |
| 1141 // TODO(miletus): Remove all this temporary flooring machinery when | |
| 1142 // Blink fully supports fractional scrolls. | |
| 1143 gfx::ScrollOffset current_offset = CurrentScrollOffset(); | |
| 1144 gfx::Vector2dF current_delta = ScrollDelta(); | |
| 1145 gfx::Vector2dF floored_delta(floor(current_delta.x()), | |
| 1146 floor(current_delta.y())); | |
| 1147 gfx::Vector2dF diff_delta = floored_delta - current_delta; | |
| 1148 gfx::ScrollOffset tmp_offset = ScrollOffsetWithDelta(current_offset, | |
| 1149 diff_delta); | |
| 1150 scroll_offset_->SetCurrent(tmp_offset); | |
| 1151 gfx::ScrollOffset delta = scroll_offset_->PullDeltaForMainThread(); | |
| 1152 scroll_offset_->SetCurrent(current_offset); | |
| 1153 return delta; | |
| 1154 } | |
| 1155 | |
| 1156 void LayerImpl::RefreshFromScrollDelegate() { | |
| 1157 if (scroll_offset_delegate_) { | |
| 1158 SetCurrentScrollOffset( | |
| 1159 gfx::ScrollOffset(scroll_offset_delegate_->GetCurrentScrollOffset())); | |
| 1160 } | |
| 1161 } | |
| 1162 | |
| 1163 gfx::ScrollOffset LayerImpl::CurrentScrollOffset() const { | |
| 1164 return scroll_offset_->Current(IsActive()); | |
| 1165 } | |
| 1166 | |
| 1167 gfx::Vector2dF LayerImpl::ScrollDelta() const { | |
| 1168 if (IsActive()) | |
| 1169 return gfx::Vector2dF(scroll_offset_->Delta().x(), | |
| 1170 scroll_offset_->Delta().y()); | |
| 1171 else | |
| 1172 return gfx::Vector2dF(scroll_offset_->PendingDelta().get().x(), | |
| 1173 scroll_offset_->PendingDelta().get().y()); | |
| 1174 } | |
| 1175 | |
| 1176 void LayerImpl::SetScrollDelta(const gfx::Vector2dF& delta) { | |
| 1177 DCHECK(IsActive()); | |
| 1178 SetCurrentScrollOffset(scroll_offset_->ActiveBase() + | |
| 1179 gfx::ScrollOffset(delta)); | |
| 1180 } | |
| 1181 | |
| 1182 gfx::ScrollOffset LayerImpl::BaseScrollOffset() const { | |
| 1183 if (IsActive()) | |
| 1184 return scroll_offset_->ActiveBase(); | |
| 1185 else | |
| 1186 return scroll_offset_->PendingBase(); | |
| 1187 } | |
| 1188 | |
| 1189 void LayerImpl::PushScrollOffset(const gfx::ScrollOffset* scroll_offset) { | |
| 1190 DCHECK(scroll_offset || IsActive()); | |
| 1191 bool changed = false; | |
| 1192 if (scroll_offset) { | |
| 1193 DCHECK(!IsActive() || !layer_tree_impl_->FindPendingTreeLayerById(id())); | |
| 1194 changed |= scroll_offset_->PushFromMainThread(*scroll_offset); | |
| 1195 } | |
| 1196 if (IsActive()) { | |
| 1197 changed |= scroll_offset_->PushPendingToActive(); | |
| 1198 } | |
| 1199 | |
| 1200 if (changed) | |
| 1201 DidUpdateScrollOffset(); | |
| 1202 } | |
| 1203 | |
| 1204 void LayerImpl::DidUpdateScrollOffset() { | |
| 1205 if (scroll_offset_delegate_) { | |
| 1206 scroll_offset_delegate_->SetCurrentScrollOffset(CurrentScrollOffset()); | |
| 1207 scroll_offset_delegate_->Update(); | |
| 1208 RefreshFromScrollDelegate(); | |
| 1209 } | |
| 1210 | |
| 1211 NoteLayerPropertyChangedForSubtree(); | |
| 1212 ScrollbarParametersDidChange(false); | |
| 1213 } | |
| 1214 | |
| 1215 void LayerImpl::SetDoubleSided(bool double_sided) { | |
| 1216 if (double_sided_ == double_sided) | |
| 1217 return; | |
| 1218 | |
| 1219 double_sided_ = double_sided; | |
| 1220 NoteLayerPropertyChangedForSubtree(); | |
| 1221 } | |
| 1222 | |
| 1223 SimpleEnclosedRegion LayerImpl::VisibleContentOpaqueRegion() const { | |
| 1224 if (contents_opaque()) | |
| 1225 return SimpleEnclosedRegion(visible_content_rect()); | |
| 1226 return SimpleEnclosedRegion(); | |
| 1227 } | |
| 1228 | |
| 1229 void LayerImpl::DidBeginTracing() {} | |
| 1230 | |
| 1231 void LayerImpl::ReleaseResources() {} | |
| 1232 | |
| 1233 void LayerImpl::RecreateResources() { | |
| 1234 } | |
| 1235 | |
| 1236 gfx::ScrollOffset LayerImpl::MaxScrollOffset() const { | |
| 1237 if (!scroll_clip_layer_ || bounds().IsEmpty()) | |
| 1238 return gfx::ScrollOffset(); | |
| 1239 | |
| 1240 LayerImpl const* page_scale_layer = layer_tree_impl()->page_scale_layer(); | |
| 1241 DCHECK(this != page_scale_layer); | |
| 1242 DCHECK(this != layer_tree_impl()->InnerViewportScrollLayer() || | |
| 1243 IsContainerForFixedPositionLayers()); | |
| 1244 | |
| 1245 float scale_factor = 1.f; | |
| 1246 for (LayerImpl const* current_layer = this; | |
| 1247 current_layer != scroll_clip_layer_->parent(); | |
| 1248 current_layer = current_layer->parent()) { | |
| 1249 if (current_layer == page_scale_layer) | |
| 1250 scale_factor = layer_tree_impl()->current_page_scale_factor(); | |
| 1251 } | |
| 1252 | |
| 1253 gfx::SizeF scaled_scroll_bounds = | |
| 1254 gfx::ToFlooredSize(gfx::ScaleSize(BoundsForScrolling(), scale_factor)); | |
| 1255 scaled_scroll_bounds = gfx::ToFlooredSize(scaled_scroll_bounds); | |
| 1256 | |
| 1257 gfx::ScrollOffset max_offset( | |
| 1258 scaled_scroll_bounds.width() - scroll_clip_layer_->bounds().width(), | |
| 1259 scaled_scroll_bounds.height() - scroll_clip_layer_->bounds().height()); | |
| 1260 // We need the final scroll offset to be in CSS coords. | |
| 1261 max_offset.Scale(1 / scale_factor); | |
| 1262 max_offset.SetToMax(gfx::ScrollOffset()); | |
| 1263 return max_offset; | |
| 1264 } | |
| 1265 | |
| 1266 gfx::ScrollOffset LayerImpl::ClampScrollOffsetToLimits( | |
| 1267 gfx::ScrollOffset offset) const { | |
| 1268 offset.SetToMin(MaxScrollOffset()); | |
| 1269 offset.SetToMax(gfx::ScrollOffset()); | |
| 1270 return offset; | |
| 1271 } | |
| 1272 | |
| 1273 gfx::Vector2dF LayerImpl::ClampScrollToMaxScrollOffset() { | |
| 1274 gfx::ScrollOffset old_offset = CurrentScrollOffset(); | |
| 1275 gfx::ScrollOffset clamped_offset = ClampScrollOffsetToLimits(old_offset); | |
| 1276 gfx::Vector2dF delta = clamped_offset.DeltaFrom(old_offset); | |
| 1277 if (!delta.IsZero()) | |
| 1278 ScrollBy(delta); | |
| 1279 return delta; | |
| 1280 } | |
| 1281 | |
| 1282 void LayerImpl::SetScrollbarPosition(ScrollbarLayerImplBase* scrollbar_layer, | |
| 1283 LayerImpl* scrollbar_clip_layer, | |
| 1284 bool on_resize) const { | |
| 1285 DCHECK(scrollbar_layer); | |
| 1286 LayerImpl* page_scale_layer = layer_tree_impl()->page_scale_layer(); | |
| 1287 | |
| 1288 DCHECK(this != page_scale_layer); | |
| 1289 DCHECK(scrollbar_clip_layer); | |
| 1290 gfx::RectF clip_rect(gfx::PointF(), | |
| 1291 scrollbar_clip_layer->BoundsForScrolling()); | |
| 1292 | |
| 1293 // See comment in MaxScrollOffset() regarding the use of the content layer | |
| 1294 // bounds here. | |
| 1295 gfx::RectF scroll_rect(gfx::PointF(), BoundsForScrolling()); | |
| 1296 | |
| 1297 if (scroll_rect.size().IsEmpty()) | |
| 1298 return; | |
| 1299 | |
| 1300 gfx::ScrollOffset current_offset; | |
| 1301 for (LayerImpl const* current_layer = this; | |
| 1302 current_layer != scrollbar_clip_layer->parent(); | |
| 1303 current_layer = current_layer->parent()) { | |
| 1304 current_offset += current_layer->CurrentScrollOffset(); | |
| 1305 if (current_layer == page_scale_layer) { | |
| 1306 float scale_factor = layer_tree_impl()->current_page_scale_factor(); | |
| 1307 current_offset.Scale(scale_factor); | |
| 1308 scroll_rect.Scale(scale_factor); | |
| 1309 } | |
| 1310 } | |
| 1311 | |
| 1312 bool scrollbar_needs_animation = false; | |
| 1313 scrollbar_needs_animation |= scrollbar_layer->SetVerticalAdjust( | |
| 1314 scrollbar_clip_layer->bounds_delta().y()); | |
| 1315 if (scrollbar_layer->orientation() == HORIZONTAL) { | |
| 1316 float visible_ratio = clip_rect.width() / scroll_rect.width(); | |
| 1317 scrollbar_needs_animation |= | |
| 1318 scrollbar_layer->SetCurrentPos(current_offset.x()); | |
| 1319 scrollbar_needs_animation |= | |
| 1320 scrollbar_layer->SetMaximum(scroll_rect.width() - clip_rect.width()); | |
| 1321 scrollbar_needs_animation |= | |
| 1322 scrollbar_layer->SetVisibleToTotalLengthRatio(visible_ratio); | |
| 1323 } else { | |
| 1324 float visible_ratio = clip_rect.height() / scroll_rect.height(); | |
| 1325 scrollbar_needs_animation |= | |
| 1326 scrollbar_layer->SetCurrentPos(current_offset.y()); | |
| 1327 scrollbar_needs_animation |= | |
| 1328 scrollbar_layer->SetMaximum(scroll_rect.height() - clip_rect.height()); | |
| 1329 scrollbar_needs_animation |= | |
| 1330 scrollbar_layer->SetVisibleToTotalLengthRatio(visible_ratio); | |
| 1331 } | |
| 1332 if (scrollbar_needs_animation) { | |
| 1333 layer_tree_impl()->set_needs_update_draw_properties(); | |
| 1334 // TODO(wjmaclean) The scrollbar animator for the pinch-zoom scrollbars | |
| 1335 // should activate for every scroll on the main frame, not just the | |
| 1336 // scrolls that move the pinch virtual viewport (i.e. trigger from | |
| 1337 // either inner or outer viewport). | |
| 1338 if (scrollbar_animation_controller_) { | |
| 1339 // Non-overlay scrollbars shouldn't trigger animations. | |
| 1340 if (scrollbar_layer->is_overlay_scrollbar()) | |
| 1341 scrollbar_animation_controller_->DidScrollUpdate(on_resize); | |
| 1342 } | |
| 1343 } | |
| 1344 } | |
| 1345 | |
| 1346 void LayerImpl::DidBecomeActive() { | |
| 1347 if (layer_tree_impl_->settings().scrollbar_animator == | |
| 1348 LayerTreeSettings::NO_ANIMATOR) { | |
| 1349 return; | |
| 1350 } | |
| 1351 | |
| 1352 bool need_scrollbar_animation_controller = scrollable() && scrollbars_; | |
| 1353 if (!need_scrollbar_animation_controller) { | |
| 1354 scrollbar_animation_controller_ = nullptr; | |
| 1355 return; | |
| 1356 } | |
| 1357 | |
| 1358 if (scrollbar_animation_controller_) | |
| 1359 return; | |
| 1360 | |
| 1361 scrollbar_animation_controller_ = | |
| 1362 layer_tree_impl_->CreateScrollbarAnimationController(this); | |
| 1363 } | |
| 1364 | |
| 1365 void LayerImpl::ClearScrollbars() { | |
| 1366 if (!scrollbars_) | |
| 1367 return; | |
| 1368 | |
| 1369 scrollbars_.reset(nullptr); | |
| 1370 } | |
| 1371 | |
| 1372 void LayerImpl::AddScrollbar(ScrollbarLayerImplBase* layer) { | |
| 1373 DCHECK(layer); | |
| 1374 DCHECK(!scrollbars_ || scrollbars_->find(layer) == scrollbars_->end()); | |
| 1375 if (!scrollbars_) | |
| 1376 scrollbars_.reset(new ScrollbarSet()); | |
| 1377 | |
| 1378 scrollbars_->insert(layer); | |
| 1379 } | |
| 1380 | |
| 1381 void LayerImpl::RemoveScrollbar(ScrollbarLayerImplBase* layer) { | |
| 1382 DCHECK(scrollbars_); | |
| 1383 DCHECK(layer); | |
| 1384 DCHECK(scrollbars_->find(layer) != scrollbars_->end()); | |
| 1385 | |
| 1386 scrollbars_->erase(layer); | |
| 1387 if (scrollbars_->empty()) | |
| 1388 scrollbars_ = nullptr; | |
| 1389 } | |
| 1390 | |
| 1391 bool LayerImpl::HasScrollbar(ScrollbarOrientation orientation) const { | |
| 1392 if (!scrollbars_) | |
| 1393 return false; | |
| 1394 | |
| 1395 for (ScrollbarSet::iterator it = scrollbars_->begin(); | |
| 1396 it != scrollbars_->end(); | |
| 1397 ++it) | |
| 1398 if ((*it)->orientation() == orientation) | |
| 1399 return true; | |
| 1400 | |
| 1401 return false; | |
| 1402 } | |
| 1403 | |
| 1404 void LayerImpl::ScrollbarParametersDidChange(bool on_resize) { | |
| 1405 if (!scrollbars_) | |
| 1406 return; | |
| 1407 | |
| 1408 for (ScrollbarSet::iterator it = scrollbars_->begin(); | |
| 1409 it != scrollbars_->end(); | |
| 1410 ++it) { | |
| 1411 bool is_scroll_layer = (*it)->ScrollLayerId() == layer_id_; | |
| 1412 bool scroll_layer_resized = is_scroll_layer && on_resize; | |
| 1413 (*it)->ScrollbarParametersDidChange(scroll_layer_resized); | |
| 1414 } | |
| 1415 } | |
| 1416 | |
| 1417 void LayerImpl::SetNeedsPushProperties() { | |
| 1418 if (needs_push_properties_) | |
| 1419 return; | |
| 1420 if (!parent_should_know_need_push_properties() && parent_) | |
| 1421 parent_->AddDependentNeedsPushProperties(); | |
| 1422 needs_push_properties_ = true; | |
| 1423 } | |
| 1424 | |
| 1425 void LayerImpl::AddDependentNeedsPushProperties() { | |
| 1426 DCHECK_GE(num_dependents_need_push_properties_, 0); | |
| 1427 | |
| 1428 if (!parent_should_know_need_push_properties() && parent_) | |
| 1429 parent_->AddDependentNeedsPushProperties(); | |
| 1430 | |
| 1431 num_dependents_need_push_properties_++; | |
| 1432 } | |
| 1433 | |
| 1434 void LayerImpl::RemoveDependentNeedsPushProperties() { | |
| 1435 num_dependents_need_push_properties_--; | |
| 1436 DCHECK_GE(num_dependents_need_push_properties_, 0); | |
| 1437 | |
| 1438 if (!parent_should_know_need_push_properties() && parent_) | |
| 1439 parent_->RemoveDependentNeedsPushProperties(); | |
| 1440 } | |
| 1441 | |
| 1442 void LayerImpl::GetAllTilesAndPrioritiesForTracing( | |
| 1443 std::map<const Tile*, TilePriority>* tile_map) const { | |
| 1444 } | |
| 1445 | |
| 1446 void LayerImpl::AsValueInto(base::trace_event::TracedValue* state) const { | |
| 1447 TracedValue::MakeDictIntoImplicitSnapshotWithCategory( | |
| 1448 TRACE_DISABLED_BY_DEFAULT("cc.debug"), | |
| 1449 state, | |
| 1450 "cc::LayerImpl", | |
| 1451 LayerTypeAsString(), | |
| 1452 this); | |
| 1453 state->SetInteger("layer_id", id()); | |
| 1454 MathUtil::AddToTracedValue("bounds", bounds_, state); | |
| 1455 | |
| 1456 state->SetDouble("opacity", opacity()); | |
| 1457 | |
| 1458 MathUtil::AddToTracedValue("position", position_, state); | |
| 1459 | |
| 1460 state->SetInteger("draws_content", DrawsContent()); | |
| 1461 state->SetInteger("gpu_memory_usage", GPUMemoryUsageInBytes()); | |
| 1462 | |
| 1463 MathUtil::AddToTracedValue( | |
| 1464 "scroll_offset", scroll_offset_ ? scroll_offset_->Current(IsActive()) | |
| 1465 : gfx::ScrollOffset(), | |
| 1466 state); | |
| 1467 | |
| 1468 MathUtil::AddToTracedValue("transform_origin", transform_origin_, state); | |
| 1469 | |
| 1470 bool clipped; | |
| 1471 gfx::QuadF layer_quad = MathUtil::MapQuad( | |
| 1472 screen_space_transform(), | |
| 1473 gfx::QuadF(gfx::Rect(content_bounds())), | |
| 1474 &clipped); | |
| 1475 MathUtil::AddToTracedValue("layer_quad", layer_quad, state); | |
| 1476 if (!touch_event_handler_region_.IsEmpty()) { | |
| 1477 state->BeginArray("touch_event_handler_region"); | |
| 1478 touch_event_handler_region_.AsValueInto(state); | |
| 1479 state->EndArray(); | |
| 1480 } | |
| 1481 if (have_wheel_event_handlers_) { | |
| 1482 gfx::Rect wheel_rect(content_bounds()); | |
| 1483 Region wheel_region(wheel_rect); | |
| 1484 state->BeginArray("wheel_event_handler_region"); | |
| 1485 wheel_region.AsValueInto(state); | |
| 1486 state->EndArray(); | |
| 1487 } | |
| 1488 if (have_scroll_event_handlers_) { | |
| 1489 gfx::Rect scroll_rect(content_bounds()); | |
| 1490 Region scroll_region(scroll_rect); | |
| 1491 state->BeginArray("scroll_event_handler_region"); | |
| 1492 scroll_region.AsValueInto(state); | |
| 1493 state->EndArray(); | |
| 1494 } | |
| 1495 if (!non_fast_scrollable_region_.IsEmpty()) { | |
| 1496 state->BeginArray("non_fast_scrollable_region"); | |
| 1497 non_fast_scrollable_region_.AsValueInto(state); | |
| 1498 state->EndArray(); | |
| 1499 } | |
| 1500 if (scroll_blocks_on_) { | |
| 1501 state->SetInteger("scroll_blocks_on", scroll_blocks_on_); | |
| 1502 } | |
| 1503 | |
| 1504 state->BeginArray("children"); | |
| 1505 for (size_t i = 0; i < children_.size(); ++i) { | |
| 1506 state->BeginDictionary(); | |
| 1507 children_[i]->AsValueInto(state); | |
| 1508 state->EndDictionary(); | |
| 1509 } | |
| 1510 state->EndArray(); | |
| 1511 if (mask_layer_) { | |
| 1512 state->BeginDictionary("mask_layer"); | |
| 1513 mask_layer_->AsValueInto(state); | |
| 1514 state->EndDictionary(); | |
| 1515 } | |
| 1516 if (replica_layer_) { | |
| 1517 state->BeginDictionary("replica_layer"); | |
| 1518 replica_layer_->AsValueInto(state); | |
| 1519 state->EndDictionary(); | |
| 1520 } | |
| 1521 | |
| 1522 if (scroll_parent_) | |
| 1523 state->SetInteger("scroll_parent", scroll_parent_->id()); | |
| 1524 | |
| 1525 if (clip_parent_) | |
| 1526 state->SetInteger("clip_parent", clip_parent_->id()); | |
| 1527 | |
| 1528 state->SetBoolean("can_use_lcd_text", can_use_lcd_text()); | |
| 1529 state->SetBoolean("contents_opaque", contents_opaque()); | |
| 1530 | |
| 1531 state->SetBoolean( | |
| 1532 "has_animation_bounds", | |
| 1533 layer_animation_controller()->HasAnimationThatInflatesBounds()); | |
| 1534 | |
| 1535 gfx::BoxF box; | |
| 1536 if (LayerUtils::GetAnimationBounds(*this, &box)) | |
| 1537 MathUtil::AddToTracedValue("animation_bounds", box, state); | |
| 1538 | |
| 1539 if (debug_info_.get()) { | |
| 1540 std::string str; | |
| 1541 debug_info_->AppendAsTraceFormat(&str); | |
| 1542 base::JSONReader json_reader; | |
| 1543 scoped_ptr<base::Value> debug_info_value(json_reader.ReadToValue(str)); | |
| 1544 | |
| 1545 if (debug_info_value->IsType(base::Value::TYPE_DICTIONARY)) { | |
| 1546 base::DictionaryValue* dictionary_value = nullptr; | |
| 1547 bool converted_to_dictionary = | |
| 1548 debug_info_value->GetAsDictionary(&dictionary_value); | |
| 1549 DCHECK(converted_to_dictionary); | |
| 1550 for (base::DictionaryValue::Iterator it(*dictionary_value); !it.IsAtEnd(); | |
| 1551 it.Advance()) { | |
| 1552 state->SetValue(it.key().data(), it.value().DeepCopy()); | |
| 1553 } | |
| 1554 } else { | |
| 1555 NOTREACHED(); | |
| 1556 } | |
| 1557 } | |
| 1558 | |
| 1559 if (!frame_timing_requests_.empty()) { | |
| 1560 state->BeginArray("frame_timing_requests"); | |
| 1561 for (const auto& request : frame_timing_requests_) { | |
| 1562 state->BeginDictionary(); | |
| 1563 state->SetInteger("request_id", request.id()); | |
| 1564 MathUtil::AddToTracedValue("request_rect", request.rect(), state); | |
| 1565 state->EndDictionary(); | |
| 1566 } | |
| 1567 state->EndArray(); | |
| 1568 } | |
| 1569 } | |
| 1570 | |
| 1571 bool LayerImpl::IsDrawnRenderSurfaceLayerListMember() const { | |
| 1572 return draw_properties_.last_drawn_render_surface_layer_list_id == | |
| 1573 layer_tree_impl_->current_render_surface_list_id(); | |
| 1574 } | |
| 1575 | |
| 1576 size_t LayerImpl::GPUMemoryUsageInBytes() const { return 0; } | |
| 1577 | |
| 1578 void LayerImpl::RunMicroBenchmark(MicroBenchmarkImpl* benchmark) { | |
| 1579 benchmark->RunOnLayer(this); | |
| 1580 } | |
| 1581 | |
| 1582 int LayerImpl::NumDescendantsThatDrawContent() const { | |
| 1583 return num_descendants_that_draw_content_; | |
| 1584 } | |
| 1585 | |
| 1586 void LayerImpl::NotifyAnimationFinished( | |
| 1587 base::TimeTicks monotonic_time, | |
| 1588 Animation::TargetProperty target_property, | |
| 1589 int group) { | |
| 1590 if (target_property == Animation::SCROLL_OFFSET) | |
| 1591 layer_tree_impl_->InputScrollAnimationFinished(); | |
| 1592 } | |
| 1593 | |
| 1594 void LayerImpl::SetHasRenderSurface(bool should_have_render_surface) { | |
| 1595 if (!!render_surface() == should_have_render_surface) | |
| 1596 return; | |
| 1597 | |
| 1598 SetNeedsPushProperties(); | |
| 1599 layer_tree_impl()->set_needs_update_draw_properties(); | |
| 1600 if (should_have_render_surface) { | |
| 1601 render_surface_ = make_scoped_ptr(new RenderSurfaceImpl(this)); | |
| 1602 return; | |
| 1603 } | |
| 1604 render_surface_.reset(); | |
| 1605 } | |
| 1606 | |
| 1607 Region LayerImpl::GetInvalidationRegion() { | |
| 1608 return Region(update_rect_); | |
| 1609 } | |
| 1610 | |
| 1611 gfx::Rect LayerImpl::GetEnclosingRectInTargetSpace() const { | |
| 1612 return MathUtil::MapEnclosingClippedRect( | |
| 1613 draw_properties_.target_space_transform, | |
| 1614 gfx::Rect(draw_properties_.content_bounds)); | |
| 1615 } | |
| 1616 | |
| 1617 gfx::Rect LayerImpl::GetScaledEnclosingRectInTargetSpace(float scale) const { | |
| 1618 gfx::Transform scaled_draw_transform = | |
| 1619 draw_properties_.target_space_transform; | |
| 1620 scaled_draw_transform.Scale(SK_MScalar1 / scale, SK_MScalar1 / scale); | |
| 1621 gfx::Size scaled_content_bounds = | |
| 1622 gfx::ToCeiledSize(gfx::ScaleSize(content_bounds(), scale)); | |
| 1623 return MathUtil::MapEnclosingClippedRect(scaled_draw_transform, | |
| 1624 gfx::Rect(scaled_content_bounds)); | |
| 1625 } | |
| 1626 | |
| 1627 } // namespace cc | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1057283003:
Remove parts of //cc we aren't using (Closed)
Base URL: git@github.com:domokit/mojo.git@master