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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/trees/layer_tree_host.h" | 5 #include "cc/trees/layer_tree_host.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <algorithm> | 10 #include <algorithm> |
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176 painted_device_scale_factor_(1.f), | 176 painted_device_scale_factor_(1.f), |
177 visible_(false), | 177 visible_(false), |
178 page_scale_factor_(1.f), | 178 page_scale_factor_(1.f), |
179 min_page_scale_factor_(1.f), | 179 min_page_scale_factor_(1.f), |
180 max_page_scale_factor_(1.f), | 180 max_page_scale_factor_(1.f), |
181 has_gpu_rasterization_trigger_(false), | 181 has_gpu_rasterization_trigger_(false), |
182 content_is_suitable_for_gpu_rasterization_(true), | 182 content_is_suitable_for_gpu_rasterization_(true), |
183 gpu_rasterization_histogram_recorded_(false), | 183 gpu_rasterization_histogram_recorded_(false), |
184 background_color_(SK_ColorWHITE), | 184 background_color_(SK_ColorWHITE), |
185 has_transparent_background_(false), | 185 has_transparent_background_(false), |
| 186 have_scroll_event_handlers_(false), |
186 have_wheel_event_handlers_(false), | 187 have_wheel_event_handlers_(false), |
187 did_complete_scale_animation_(false), | 188 did_complete_scale_animation_(false), |
188 in_paint_layer_contents_(false), | 189 in_paint_layer_contents_(false), |
189 id_(s_layer_tree_host_sequence_number.GetNext() + 1), | 190 id_(s_layer_tree_host_sequence_number.GetNext() + 1), |
190 next_commit_forces_redraw_(false), | 191 next_commit_forces_redraw_(false), |
191 shared_bitmap_manager_(params->shared_bitmap_manager), | 192 shared_bitmap_manager_(params->shared_bitmap_manager), |
192 gpu_memory_buffer_manager_(params->gpu_memory_buffer_manager), | 193 gpu_memory_buffer_manager_(params->gpu_memory_buffer_manager), |
193 task_graph_runner_(params->task_graph_runner), | 194 task_graph_runner_(params->task_graph_runner), |
194 surface_id_namespace_(0u), | 195 surface_id_namespace_(0u), |
195 next_surface_sequence_(1u) { | 196 next_surface_sequence_(1u) { |
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392 if (hud_layer_.get()) { | 393 if (hud_layer_.get()) { |
393 LayerImpl* hud_impl = LayerTreeHostCommon::FindLayerInSubtree( | 394 LayerImpl* hud_impl = LayerTreeHostCommon::FindLayerInSubtree( |
394 sync_tree->root_layer(), hud_layer_->id()); | 395 sync_tree->root_layer(), hud_layer_->id()); |
395 sync_tree->set_hud_layer(static_cast<HeadsUpDisplayLayerImpl*>(hud_impl)); | 396 sync_tree->set_hud_layer(static_cast<HeadsUpDisplayLayerImpl*>(hud_impl)); |
396 } else { | 397 } else { |
397 sync_tree->set_hud_layer(NULL); | 398 sync_tree->set_hud_layer(NULL); |
398 } | 399 } |
399 | 400 |
400 sync_tree->set_background_color(background_color_); | 401 sync_tree->set_background_color(background_color_); |
401 sync_tree->set_has_transparent_background(has_transparent_background_); | 402 sync_tree->set_has_transparent_background(has_transparent_background_); |
| 403 sync_tree->set_have_scroll_event_handlers(have_scroll_event_handlers_); |
402 sync_tree->set_have_wheel_event_handlers(have_wheel_event_handlers_); | 404 sync_tree->set_have_wheel_event_handlers(have_wheel_event_handlers_); |
403 | 405 |
404 if (page_scale_layer_.get() && inner_viewport_scroll_layer_.get()) { | 406 if (page_scale_layer_.get() && inner_viewport_scroll_layer_.get()) { |
405 sync_tree->SetViewportLayersFromIds( | 407 sync_tree->SetViewportLayersFromIds( |
406 overscroll_elasticity_layer_.get() ? overscroll_elasticity_layer_->id() | 408 overscroll_elasticity_layer_.get() ? overscroll_elasticity_layer_->id() |
407 : Layer::INVALID_ID, | 409 : Layer::INVALID_ID, |
408 page_scale_layer_->id(), inner_viewport_scroll_layer_->id(), | 410 page_scale_layer_->id(), inner_viewport_scroll_layer_->id(), |
409 outer_viewport_scroll_layer_.get() ? outer_viewport_scroll_layer_->id() | 411 outer_viewport_scroll_layer_.get() ? outer_viewport_scroll_layer_->id() |
410 : Layer::INVALID_ID); | 412 : Layer::INVALID_ID); |
411 DCHECK(inner_viewport_scroll_layer_->IsContainerForFixedPositionLayers()); | 413 DCHECK(inner_viewport_scroll_layer_->IsContainerForFixedPositionLayers()); |
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1107 } | 1109 } |
1108 | 1110 |
1109 void LayerTreeHost::RegisterSelection(const LayerSelection& selection) { | 1111 void LayerTreeHost::RegisterSelection(const LayerSelection& selection) { |
1110 if (selection_ == selection) | 1112 if (selection_ == selection) |
1111 return; | 1113 return; |
1112 | 1114 |
1113 selection_ = selection; | 1115 selection_ = selection; |
1114 SetNeedsCommit(); | 1116 SetNeedsCommit(); |
1115 } | 1117 } |
1116 | 1118 |
| 1119 void LayerTreeHost::SetHaveScrollEventHandlers(bool have_event_handlers) { |
| 1120 if (have_scroll_event_handlers_ == have_event_handlers) |
| 1121 return; |
| 1122 |
| 1123 have_scroll_event_handlers_ = have_event_handlers; |
| 1124 SetNeedsCommit(); |
| 1125 } |
| 1126 |
1117 void LayerTreeHost::SetHaveWheelEventHandlers(bool have_event_handlers) { | 1127 void LayerTreeHost::SetHaveWheelEventHandlers(bool have_event_handlers) { |
1118 if (have_wheel_event_handlers_ == have_event_handlers) | 1128 if (have_wheel_event_handlers_ == have_event_handlers) |
1119 return; | 1129 return; |
1120 | 1130 |
1121 have_wheel_event_handlers_ = have_event_handlers; | 1131 have_wheel_event_handlers_ = have_event_handlers; |
1122 SetNeedsCommit(); | 1132 SetNeedsCommit(); |
1123 } | 1133 } |
1124 | 1134 |
1125 int LayerTreeHost::ScheduleMicroBenchmark( | 1135 int LayerTreeHost::ScheduleMicroBenchmark( |
1126 const std::string& benchmark_name, | 1136 const std::string& benchmark_name, |
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1440 proto->set_painted_device_scale_factor(painted_device_scale_factor_); | 1450 proto->set_painted_device_scale_factor(painted_device_scale_factor_); |
1441 proto->set_page_scale_factor(page_scale_factor_); | 1451 proto->set_page_scale_factor(page_scale_factor_); |
1442 proto->set_min_page_scale_factor(min_page_scale_factor_); | 1452 proto->set_min_page_scale_factor(min_page_scale_factor_); |
1443 proto->set_max_page_scale_factor(max_page_scale_factor_); | 1453 proto->set_max_page_scale_factor(max_page_scale_factor_); |
1444 Vector2dFToProto(elastic_overscroll_, proto->mutable_elastic_overscroll()); | 1454 Vector2dFToProto(elastic_overscroll_, proto->mutable_elastic_overscroll()); |
1445 proto->set_has_gpu_rasterization_trigger(has_gpu_rasterization_trigger_); | 1455 proto->set_has_gpu_rasterization_trigger(has_gpu_rasterization_trigger_); |
1446 proto->set_content_is_suitable_for_gpu_rasterization( | 1456 proto->set_content_is_suitable_for_gpu_rasterization( |
1447 content_is_suitable_for_gpu_rasterization_); | 1457 content_is_suitable_for_gpu_rasterization_); |
1448 proto->set_background_color(background_color_); | 1458 proto->set_background_color(background_color_); |
1449 proto->set_has_transparent_background(has_transparent_background_); | 1459 proto->set_has_transparent_background(has_transparent_background_); |
| 1460 proto->set_have_scroll_event_handlers(have_scroll_event_handlers_); |
1450 proto->set_have_wheel_event_handlers(have_wheel_event_handlers_); | 1461 proto->set_have_wheel_event_handlers(have_wheel_event_handlers_); |
1451 proto->set_in_paint_layer_contents(in_paint_layer_contents_); | 1462 proto->set_in_paint_layer_contents(in_paint_layer_contents_); |
1452 proto->set_id(id_); | 1463 proto->set_id(id_); |
1453 proto->set_next_commit_forces_redraw(next_commit_forces_redraw_); | 1464 proto->set_next_commit_forces_redraw(next_commit_forces_redraw_); |
1454 | 1465 |
1455 // Viewport layers. | 1466 // Viewport layers. |
1456 proto->set_overscroll_elasticity_layer_id( | 1467 proto->set_overscroll_elasticity_layer_id( |
1457 overscroll_elasticity_layer_ ? overscroll_elasticity_layer_->id() | 1468 overscroll_elasticity_layer_ ? overscroll_elasticity_layer_->id() |
1458 : Layer::INVALID_ID); | 1469 : Layer::INVALID_ID); |
1459 proto->set_page_scale_layer_id(page_scale_layer_ ? page_scale_layer_->id() | 1470 proto->set_page_scale_layer_id(page_scale_layer_ ? page_scale_layer_->id() |
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1505 painted_device_scale_factor_ = proto.painted_device_scale_factor(); | 1516 painted_device_scale_factor_ = proto.painted_device_scale_factor(); |
1506 page_scale_factor_ = proto.page_scale_factor(); | 1517 page_scale_factor_ = proto.page_scale_factor(); |
1507 min_page_scale_factor_ = proto.min_page_scale_factor(); | 1518 min_page_scale_factor_ = proto.min_page_scale_factor(); |
1508 max_page_scale_factor_ = proto.max_page_scale_factor(); | 1519 max_page_scale_factor_ = proto.max_page_scale_factor(); |
1509 elastic_overscroll_ = ProtoToVector2dF(proto.elastic_overscroll()); | 1520 elastic_overscroll_ = ProtoToVector2dF(proto.elastic_overscroll()); |
1510 has_gpu_rasterization_trigger_ = proto.has_gpu_rasterization_trigger(); | 1521 has_gpu_rasterization_trigger_ = proto.has_gpu_rasterization_trigger(); |
1511 content_is_suitable_for_gpu_rasterization_ = | 1522 content_is_suitable_for_gpu_rasterization_ = |
1512 proto.content_is_suitable_for_gpu_rasterization(); | 1523 proto.content_is_suitable_for_gpu_rasterization(); |
1513 background_color_ = proto.background_color(); | 1524 background_color_ = proto.background_color(); |
1514 has_transparent_background_ = proto.has_transparent_background(); | 1525 has_transparent_background_ = proto.has_transparent_background(); |
| 1526 have_scroll_event_handlers_ = proto.have_scroll_event_handlers(); |
1515 have_wheel_event_handlers_ = proto.have_wheel_event_handlers(); | 1527 have_wheel_event_handlers_ = proto.have_wheel_event_handlers(); |
1516 in_paint_layer_contents_ = proto.in_paint_layer_contents(); | 1528 in_paint_layer_contents_ = proto.in_paint_layer_contents(); |
1517 id_ = proto.id(); | 1529 id_ = proto.id(); |
1518 next_commit_forces_redraw_ = proto.next_commit_forces_redraw(); | 1530 next_commit_forces_redraw_ = proto.next_commit_forces_redraw(); |
1519 | 1531 |
1520 hud_layer_ = static_cast<HeadsUpDisplayLayer*>( | 1532 hud_layer_ = static_cast<HeadsUpDisplayLayer*>( |
1521 UpdateAndGetLayer(hud_layer_.get(), proto.hud_layer_id(), layer_id_map_)); | 1533 UpdateAndGetLayer(hud_layer_.get(), proto.hud_layer_id(), layer_id_map_)); |
1522 overscroll_elasticity_layer_ = | 1534 overscroll_elasticity_layer_ = |
1523 UpdateAndGetLayer(overscroll_elasticity_layer_.get(), | 1535 UpdateAndGetLayer(overscroll_elasticity_layer_.get(), |
1524 proto.overscroll_elasticity_layer_id(), layer_id_map_); | 1536 proto.overscroll_elasticity_layer_id(), layer_id_map_); |
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1546 LayerTreeHostCommon::CallFunctionForSubtree( | 1558 LayerTreeHostCommon::CallFunctionForSubtree( |
1547 root_layer(), [seq_num](Layer* layer) { | 1559 root_layer(), [seq_num](Layer* layer) { |
1548 layer->set_property_tree_sequence_number(seq_num); | 1560 layer->set_property_tree_sequence_number(seq_num); |
1549 }); | 1561 }); |
1550 | 1562 |
1551 surface_id_namespace_ = proto.surface_id_namespace(); | 1563 surface_id_namespace_ = proto.surface_id_namespace(); |
1552 next_surface_sequence_ = proto.next_surface_sequence(); | 1564 next_surface_sequence_ = proto.next_surface_sequence(); |
1553 } | 1565 } |
1554 | 1566 |
1555 } // namespace cc | 1567 } // namespace cc |
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