12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Copyright 2011 The Chromium Authors. All rights reserved. 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file. 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/trees/layer_tree_impl.h" 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include <limits> 8cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include <set> 9cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/debug/trace_event.h" 115f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "base/debug/trace_event_argument.h" 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/animation/keyframed_animation_curve.h" 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/animation/scrollbar_animation_controller.h" 14010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)#include "cc/animation/scrollbar_animation_controller_linear_fade.h" 15010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)#include "cc/animation/scrollbar_animation_controller_thinning.h" 16f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "cc/base/math_util.h" 17f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "cc/base/util.h" 18f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)#include "cc/debug/devtools_instrumentation.h" 19b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)#include "cc/debug/traced_value.h" 201675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch#include "cc/input/page_scale_animation.h" 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/layers/heads_up_display_layer_impl.h" 22d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "cc/layers/layer.h" 23a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "cc/layers/layer_iterator.h" 24c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "cc/layers/render_surface_impl.h" 2558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include "cc/layers/scrollbar_layer_impl_base.h" 26f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "cc/resources/ui_resource_request.h" 272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/trees/layer_tree_host_common.h" 282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/trees/layer_tree_host_impl.h" 29116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include "cc/trees/occlusion_tracker.h" 30cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "ui/gfx/point_conversions.h" 312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/gfx/size_conversions.h" 322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/gfx/vector2d_conversions.h" 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace cc { 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// This class exists to split the LayerScrollOffsetDelegate between the 375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// InnerViewportScrollLayer and the OuterViewportScrollLayer in a manner 385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// that never requires the embedder or LayerImpl to know about. 39cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)class LayerScrollOffsetDelegateProxy : public LayerImpl::ScrollOffsetDelegate { 405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) public: 415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) LayerScrollOffsetDelegateProxy(LayerImpl* layer, 425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) LayerScrollOffsetDelegate* delegate, 435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) LayerTreeImpl* layer_tree) 445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) : layer_(layer), delegate_(delegate), layer_tree_impl_(layer_tree) {} 45cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual ~LayerScrollOffsetDelegateProxy() {} 465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Vector2dF last_set_scroll_offset() const { 485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return last_set_scroll_offset_; 495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // LayerScrollOffsetDelegate implementation. 525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual void SetTotalScrollOffset(const gfx::Vector2dF& new_offset) OVERRIDE { 535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) last_set_scroll_offset_ = new_offset; 545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) layer_tree_impl_->UpdateScrollOffsetDelegate(); 555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual gfx::Vector2dF GetTotalScrollOffset() OVERRIDE { 585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return layer_tree_impl_->GetDelegatedScrollOffset(layer_); 595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual bool IsExternalFlingActive() const OVERRIDE { 625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return delegate_->IsExternalFlingActive(); 635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) private: 665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) LayerImpl* layer_; 675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) LayerScrollOffsetDelegate* delegate_; 685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) LayerTreeImpl* layer_tree_impl_; 695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Vector2dF last_set_scroll_offset_; 705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)}; 715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerTreeImpl::LayerTreeImpl(LayerTreeHostImpl* layer_tree_host_impl) 732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : layer_tree_host_impl_(layer_tree_host_impl), 742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) source_frame_number_(-1), 752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) hud_layer_(0), 76c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) currently_scrolling_layer_(NULL), 77c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) root_layer_scroll_offset_delegate_(NULL), 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) background_color_(0), 792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) has_transparent_background_(false), 80d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) page_scale_layer_(NULL), 81d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) inner_viewport_scroll_layer_(NULL), 82d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) outer_viewport_scroll_layer_(NULL), 832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale_factor_(1), 842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale_delta_(1), 852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) sent_page_scale_delta_(1), 862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) min_page_scale_factor_(0), 872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) max_page_scale_factor_(0), 882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scrolling_layer_id_from_previous_tree_(0), 892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) contents_textures_purged_(false), 905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) requires_high_res_to_draw_(false), 912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) viewport_size_invalid_(false), 922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) needs_update_draw_properties_(true), 934e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) needs_full_tree_sync_(true), 940de6073388f4e2780db8536178b129cd8f6ab386Torne (Richard Coles) next_activation_forces_redraw_(false), 955f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) has_ever_been_drawn_(false), 961320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci render_surface_layer_list_id_(0), 971320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci top_controls_layout_height_(0), 981320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci top_controls_content_offset_(0), 991320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci top_controls_delta_(0), 1001320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci sent_top_controls_delta_(0) { 1010de6073388f4e2780db8536178b129cd8f6ab386Torne (Richard Coles)} 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerTreeImpl::~LayerTreeImpl() { 1045f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) BreakSwapPromises(SwapPromise::SWAP_FAILS); 1055f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Need to explicitly clear the tree prior to destroying this so that 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // the LayerTreeImpl pointer is still valid in the LayerImpl dtor. 1085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(!root_layer_); 1095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(layers_with_copy_output_request_.empty()); 1102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void LayerTreeImpl::Shutdown() { root_layer_.reset(); } 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 114cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void LayerTreeImpl::ReleaseResources() { 115cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (root_layer_) 116cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ReleaseResourcesRecursive(root_layer_.get()); 117cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 118cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::SetRootLayer(scoped_ptr<LayerImpl> layer) { 1205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (inner_viewport_scroll_layer_) 1215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_layer_->SetScrollOffsetDelegate(NULL); 1225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (outer_viewport_scroll_layer_) 1235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_scroll_layer_->SetScrollOffsetDelegate(NULL); 1245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_delegate_proxy_.reset(); 1255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_scroll_delegate_proxy_.reset(); 1265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) root_layer_ = layer.Pass(); 1282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) currently_scrolling_layer_ = NULL; 1295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_layer_ = NULL; 1305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_scroll_layer_ = NULL; 1315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) page_scale_layer_ = NULL; 1322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_tree_host_impl_->OnCanDrawStateChangedForTree(); 1342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)LayerImpl* LayerTreeImpl::InnerViewportScrollLayer() const { 1375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return inner_viewport_scroll_layer_; 1385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)LayerImpl* LayerTreeImpl::OuterViewportScrollLayer() const { 1415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return outer_viewport_scroll_layer_; 1425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 143c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)gfx::Vector2dF LayerTreeImpl::TotalScrollOffset() const { 1455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Vector2dF offset; 1462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (inner_viewport_scroll_layer_) 1485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) offset += inner_viewport_scroll_layer_->TotalScrollOffset(); 1495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (outer_viewport_scroll_layer_) 1515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) offset += outer_viewport_scroll_layer_->TotalScrollOffset(); 1525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return offset; 1545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)gfx::Vector2dF LayerTreeImpl::TotalMaxScrollOffset() const { 1575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Vector2dF offset; 1585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (inner_viewport_scroll_layer_) 1605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) offset += inner_viewport_scroll_layer_->MaxScrollOffset(); 1615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (outer_viewport_scroll_layer_) 1635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) offset += outer_viewport_scroll_layer_->MaxScrollOffset(); 1645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return offset; 1665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)gfx::Vector2dF LayerTreeImpl::TotalScrollDelta() const { 1685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(inner_viewport_scroll_layer_); 1695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Vector2dF delta = inner_viewport_scroll_layer_->ScrollDelta(); 1705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (outer_viewport_scroll_layer_) 1725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) delta += outer_viewport_scroll_layer_->ScrollDelta(); 1735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return delta; 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)scoped_ptr<LayerImpl> LayerTreeImpl::DetachLayerTree() { 1782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Clear all data structures that have direct references to the layer tree. 1792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scrolling_layer_id_from_previous_tree_ = 1802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) currently_scrolling_layer_ ? currently_scrolling_layer_->id() : 0; 1815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (inner_viewport_scroll_layer_) 1825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_layer_->SetScrollOffsetDelegate(NULL); 1835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (outer_viewport_scroll_layer_) 1845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_scroll_layer_->SetScrollOffsetDelegate(NULL); 1855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_delegate_proxy_.reset(); 1865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_scroll_delegate_proxy_.reset(); 1875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_layer_ = NULL; 1885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_scroll_layer_ = NULL; 1895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) page_scale_layer_ = NULL; 1902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) currently_scrolling_layer_ = NULL; 1912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_surface_layer_list_.clear(); 1932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) set_needs_update_draw_properties(); 1942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return root_layer_.Pass(); 1952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::PushPropertiesTo(LayerTreeImpl* target_tree) { 198a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // The request queue should have been processed and does not require a push. 199a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) DCHECK_EQ(ui_resource_request_queue_.size(), 0u); 200a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 2014e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (next_activation_forces_redraw_) { 202f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) target_tree->ForceRedrawNextActivation(); 2034e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) next_activation_forces_redraw_ = false; 2044e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 2054e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 206f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) target_tree->PassSwapPromises(&swap_promise_list_); 207f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 2081320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci target_tree->top_controls_layout_height_ = top_controls_layout_height_; 2091320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci target_tree->top_controls_content_offset_ = top_controls_content_offset_; 2101320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci target_tree->top_controls_delta_ = 2111320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci target_tree->top_controls_delta_ - 2121320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci target_tree->sent_top_controls_delta_; 2131320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci target_tree->sent_top_controls_delta_ = 0.f; 2141320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 215f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) target_tree->SetPageScaleValues( 216f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) page_scale_factor(), min_page_scale_factor(), max_page_scale_factor(), 2172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_tree->page_scale_delta() / target_tree->sent_page_scale_delta()); 2182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_tree->set_sent_page_scale_delta(1); 2192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2201675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch target_tree->page_scale_animation_ = page_scale_animation_.Pass(); 2211675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch 2225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (page_scale_layer_ && inner_viewport_scroll_layer_) { 223d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) target_tree->SetViewportLayersFromIds( 224d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) page_scale_layer_->id(), 225d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) inner_viewport_scroll_layer_->id(), 226d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) outer_viewport_scroll_layer_ ? outer_viewport_scroll_layer_->id() 227d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) : Layer::INVALID_ID); 2285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 2295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) target_tree->ClearViewportLayers(); 230d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) } 231116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 232116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch target_tree->RegisterSelection(selection_start_, selection_end_); 233116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 2342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // This should match the property synchronization in 2352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // LayerTreeHost::finishCommitOnImplThread(). 2362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_tree->set_source_frame_number(source_frame_number()); 2372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_tree->set_background_color(background_color()); 2382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_tree->set_has_transparent_background(has_transparent_background()); 2392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (ContentsTexturesPurged()) 2412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_tree->SetContentsTexturesPurged(); 2422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) else 2432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_tree->ResetContentsTexturesPurged(); 2442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (ViewportSizeInvalid()) 2462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_tree->SetViewportSizeInvalid(); 2472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) else 2482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_tree->ResetViewportSizeInvalid(); 2492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (hud_layer()) 2512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_tree->set_hud_layer(static_cast<HeadsUpDisplayLayerImpl*>( 2522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeHostCommon::FindLayerInSubtree( 2532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_tree->root_layer(), hud_layer()->id()))); 2542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) else 2552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_tree->set_hud_layer(NULL); 2565f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 2575f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) target_tree->has_ever_been_drawn_ = false; 2582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 260a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)LayerImpl* LayerTreeImpl::InnerViewportContainerLayer() const { 261a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return inner_viewport_scroll_layer_ 262a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ? inner_viewport_scroll_layer_->scroll_clip_layer() 263a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) : NULL; 2642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerImpl* LayerTreeImpl::CurrentlyScrollingLayer() const { 2672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(IsActiveTree()); 2682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return currently_scrolling_layer_; 2692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::SetCurrentlyScrollingLayer(LayerImpl* layer) { 2722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (currently_scrolling_layer_ == layer) 2732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 2742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (currently_scrolling_layer_ && 2762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) currently_scrolling_layer_->scrollbar_animation_controller()) 277effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch currently_scrolling_layer_->scrollbar_animation_controller() 278010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) ->DidScrollEnd(); 2792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) currently_scrolling_layer_ = layer; 2802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (layer && layer->scrollbar_animation_controller()) 281010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) layer->scrollbar_animation_controller()->DidScrollBegin(); 2822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::ClearCurrentlyScrollingLayer() { 2852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetCurrentlyScrollingLayer(NULL); 2862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scrolling_layer_id_from_previous_tree_ = 0; 2872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)namespace { 2905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void ForceScrollbarParameterUpdateAfterScaleChange(LayerImpl* current_layer) { 2925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!current_layer) 2935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 2945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 2955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) while (current_layer) { 2965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) current_layer->ScrollbarParametersDidChange(); 2975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) current_layer = current_layer->parent(); 2985d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 3005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} // namespace 3025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::SetPageScaleFactorAndLimits(float page_scale_factor, 3042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float min_page_scale_factor, float max_page_scale_factor) { 305f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) SetPageScaleValues(page_scale_factor, min_page_scale_factor, 306f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) max_page_scale_factor, page_scale_delta_); 307f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)} 3082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 309f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)void LayerTreeImpl::SetPageScaleDelta(float delta) { 310f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) SetPageScaleValues(page_scale_factor_, min_page_scale_factor_, 311f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) max_page_scale_factor_, delta); 312f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)} 313f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 314f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)void LayerTreeImpl::SetPageScaleValues(float page_scale_factor, 315f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) float min_page_scale_factor, float max_page_scale_factor, 316f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) float page_scale_delta) { 317f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) bool page_scale_changed = 318f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) min_page_scale_factor != min_page_scale_factor_ || 319f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) max_page_scale_factor != max_page_scale_factor_ || 320f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) page_scale_factor != page_scale_factor_; 3215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) min_page_scale_factor_ = min_page_scale_factor; 3232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) max_page_scale_factor_ = max_page_scale_factor; 3242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale_factor_ = page_scale_factor; 32568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 326f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) float total = page_scale_factor_ * page_scale_delta; 3272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (min_page_scale_factor_ && total < min_page_scale_factor_) 328f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) page_scale_delta = min_page_scale_factor_ / page_scale_factor_; 3292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) else if (max_page_scale_factor_ && total > max_page_scale_factor_) 330f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) page_scale_delta = max_page_scale_factor_ / page_scale_factor_; 3312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 332f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (page_scale_delta_ == page_scale_delta && !page_scale_changed) 3332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 3342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 335f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (page_scale_delta_ != page_scale_delta) { 336f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) page_scale_delta_ = page_scale_delta; 3372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 338f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (IsActiveTree()) { 339f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) LayerTreeImpl* pending_tree = layer_tree_host_impl_->pending_tree(); 340f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (pending_tree) { 341f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) DCHECK_EQ(1, pending_tree->sent_page_scale_delta()); 342f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) pending_tree->SetPageScaleDelta( 343f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) page_scale_delta_ / sent_page_scale_delta_); 344f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) } 3452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 347f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) set_needs_update_draw_properties(); 348f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) } 3494e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 3504e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (root_layer_scroll_offset_delegate_) { 351cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) root_layer_scroll_offset_delegate_->UpdateRootLayerState( 352cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) TotalScrollOffset(), 353cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) TotalMaxScrollOffset(), 354cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ScrollableSize(), 3555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) total_page_scale_factor(), 356f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) min_page_scale_factor_, 357f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) max_page_scale_factor_); 3584e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 359f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 360f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) ForceScrollbarParameterUpdateAfterScaleChange(page_scale_layer()); 3612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)gfx::SizeF LayerTreeImpl::ScrollableViewportSize() const { 36403b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) if (!InnerViewportContainerLayer()) 36503b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) return gfx::SizeF(); 36603b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) 36703b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) return gfx::ScaleSize(InnerViewportContainerLayer()->bounds(), 36803b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) 1.0f / total_page_scale_factor()); 3692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 371f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)gfx::Rect LayerTreeImpl::RootScrollLayerDeviceViewportBounds() const { 3725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) LayerImpl* root_scroll_layer = OuterViewportScrollLayer() 3735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ? OuterViewportScrollLayer() 3745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) : InnerViewportScrollLayer(); 3755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!root_scroll_layer || root_scroll_layer->children().empty()) 376f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return gfx::Rect(); 3775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) LayerImpl* layer = root_scroll_layer->children()[0]; 3785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return MathUtil::MapEnclosingClippedRect(layer->screen_space_transform(), 3795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Rect(layer->content_bounds())); 3802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3823551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)static void ApplySentScrollDeltasFromAbortedCommitTo(LayerImpl* layer) { 3833551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) layer->ApplySentScrollDeltasFromAbortedCommit(); 384558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch} 385558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch 3863551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)void LayerTreeImpl::ApplySentScrollAndScaleDeltasFromAbortedCommit() { 387558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch DCHECK(IsActiveTree()); 388558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch 389558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch page_scale_factor_ *= sent_page_scale_delta_; 390558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch page_scale_delta_ /= sent_page_scale_delta_; 391558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch sent_page_scale_delta_ = 1.f; 392558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch 3931320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci top_controls_content_offset_ += sent_top_controls_delta_; 3941320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci top_controls_delta_ -= sent_top_controls_delta_; 3951320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci sent_top_controls_delta_ = 0.f; 3961320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 397558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch if (!root_layer()) 398558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch return; 399558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch 400558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch LayerTreeHostCommon::CallFunctionForSubtree( 4013551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) root_layer(), base::Bind(&ApplySentScrollDeltasFromAbortedCommitTo)); 4023551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)} 4033551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 4041e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)static void ApplyScrollDeltasSinceBeginMainFrameTo(LayerImpl* layer) { 4051e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) layer->ApplyScrollDeltasSinceBeginMainFrame(); 4063551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)} 4073551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 4081e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)void LayerTreeImpl::ApplyScrollDeltasSinceBeginMainFrame() { 4093551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) DCHECK(IsPendingTree()); 4103551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) if (!root_layer()) 4113551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return; 4123551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 4133551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) LayerTreeHostCommon::CallFunctionForSubtree( 4141e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) root_layer(), base::Bind(&ApplyScrollDeltasSinceBeginMainFrameTo)); 415558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch} 416558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch 417d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)void LayerTreeImpl::SetViewportLayersFromIds( 418d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) int page_scale_layer_id, 419d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) int inner_viewport_scroll_layer_id, 420d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) int outer_viewport_scroll_layer_id) { 421d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) page_scale_layer_ = LayerById(page_scale_layer_id); 422d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) DCHECK(page_scale_layer_); 423d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 424d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) inner_viewport_scroll_layer_ = 425d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) LayerById(inner_viewport_scroll_layer_id); 426d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) DCHECK(inner_viewport_scroll_layer_); 427d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 428d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) outer_viewport_scroll_layer_ = 429d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) LayerById(outer_viewport_scroll_layer_id); 430d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) DCHECK(outer_viewport_scroll_layer_ || 431d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) outer_viewport_scroll_layer_id == Layer::INVALID_ID); 4325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 4335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!root_layer_scroll_offset_delegate_) 4345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 4355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 4365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_delegate_proxy_ = make_scoped_ptr( 4375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) new LayerScrollOffsetDelegateProxy(inner_viewport_scroll_layer_, 4385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) root_layer_scroll_offset_delegate_, 4395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) this)); 4405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 4415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (outer_viewport_scroll_layer_) 4425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_scroll_delegate_proxy_ = make_scoped_ptr( 4435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) new LayerScrollOffsetDelegateProxy(outer_viewport_scroll_layer_, 4445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) root_layer_scroll_offset_delegate_, 4455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) this)); 446d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)} 447d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 448d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)void LayerTreeImpl::ClearViewportLayers() { 449d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) page_scale_layer_ = NULL; 450d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) inner_viewport_scroll_layer_ = NULL; 451d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) outer_viewport_scroll_layer_ = NULL; 452d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)} 453d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) 454f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)bool LayerTreeImpl::UpdateDrawProperties() { 455f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (!needs_update_draw_properties_) 456f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return true; 4572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // For max_texture_size. 4592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!layer_tree_host_impl_->renderer()) 460f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return false; 4612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!root_layer()) 463f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return false; 464f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 465f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) needs_update_draw_properties_ = false; 466f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) render_surface_layer_list_.clear(); 4672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) { 4697dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch TRACE_EVENT2("cc", 4702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "LayerTreeImpl::UpdateDrawProperties", 4712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "IsActive", 4727dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch IsActiveTree(), 4737dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch "SourceFrameNumber", 4747dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch source_frame_number_); 475d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) LayerImpl* page_scale_layer = 476a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) page_scale_layer_ ? page_scale_layer_ : InnerViewportContainerLayer(); 4771320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci bool can_render_to_separate_surface = 4781320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci (layer_tree_host_impl_->GetDrawMode() != 4791320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci DRAW_MODE_RESOURCELESS_SOFTWARE); 4800de6073388f4e2780db8536178b129cd8f6ab386Torne (Richard Coles) 4810de6073388f4e2780db8536178b129cd8f6ab386Torne (Richard Coles) ++render_surface_layer_list_id_; 482558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch LayerTreeHostCommon::CalcDrawPropsImplInputs inputs( 4832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) root_layer(), 48458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) DrawViewportSize(), 48558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) layer_tree_host_impl_->DrawTransform(), 4862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) device_scale_factor(), 4872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) total_page_scale_factor(), 488d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) page_scale_layer, 4891320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci resource_provider()->max_texture_size(), 4902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) settings().can_use_lcd_text, 4914e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) can_render_to_separate_surface, 492b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) settings().layer_transforms_should_scale_layer_contents, 4930de6073388f4e2780db8536178b129cd8f6ab386Torne (Richard Coles) &render_surface_layer_list_, 4940de6073388f4e2780db8536178b129cd8f6ab386Torne (Richard Coles) render_surface_layer_list_id_); 495558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch LayerTreeHostCommon::CalculateDrawProperties(&inputs); 4962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 4972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4988bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) { 4998bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) TRACE_EVENT2("cc", 5008bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) "LayerTreeImpl::UpdateTilePriorities", 5018bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) "IsActive", 5028bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) IsActiveTree(), 5038bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) "SourceFrameNumber", 5048bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) source_frame_number_); 505116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch scoped_ptr<OcclusionTracker<LayerImpl> > occlusion_tracker; 506116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (settings().use_occlusion_for_tile_prioritization) { 507116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch occlusion_tracker.reset(new OcclusionTracker<LayerImpl>( 508116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch root_layer()->render_surface()->content_rect())); 509116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch occlusion_tracker->set_minimum_tracking_size( 510116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch settings().minimum_occlusion_tracking_size); 511116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } 512116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 51334680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) bool resourceless_software_draw = (layer_tree_host_impl_->GetDrawMode() == 51434680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) DRAW_MODE_RESOURCELESS_SOFTWARE); 51534680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) 5168bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // LayerIterator is used here instead of CallFunctionForSubtree to only 5178bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // UpdateTilePriorities on layers that will be visible (and thus have valid 5188bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) // draw properties) and not because any ordering is required. 5195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) typedef LayerIterator<LayerImpl> LayerIteratorType; 5208bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) LayerIteratorType end = LayerIteratorType::End(&render_surface_layer_list_); 5218bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) for (LayerIteratorType it = 5228bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) LayerIteratorType::Begin(&render_surface_layer_list_); 5238bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) it != end; 5248bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ++it) { 525116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (occlusion_tracker) 526116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch occlusion_tracker->EnterLayer(it); 527116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 5288bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) LayerImpl* layer = *it; 5291320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci const Occlusion& occlusion_in_content_space = 5301320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci occlusion_tracker ? occlusion_tracker->GetCurrentOcclusionForLayer( 5311320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci layer->draw_transform()) 5321320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci : Occlusion(); 5331320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 53434680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) if (it.represents_itself()) { 53534680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) layer->UpdateTiles(occlusion_in_content_space, 53634680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) resourceless_software_draw); 53734680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) } 538010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 539116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (!it.represents_contributing_render_surface()) { 540116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (occlusion_tracker) 541116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch occlusion_tracker->LeaveLayer(it); 542010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) continue; 543116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } 5448bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 54534680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) if (layer->mask_layer()) { 54634680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) layer->mask_layer()->UpdateTiles(occlusion_in_content_space, 54734680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) resourceless_software_draw); 54834680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) } 54934680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) if (layer->replica_layer() && layer->replica_layer()->mask_layer()) { 550116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch layer->replica_layer()->mask_layer()->UpdateTiles( 55134680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) occlusion_in_content_space, resourceless_software_draw); 55234680572440d7894ef8dafce81d8039ed80726a2Torne (Richard Coles) } 553116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 554116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (occlusion_tracker) 555116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch occlusion_tracker->LeaveLayer(it); 5568bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) } 5578bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) } 5588bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 5592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(!needs_update_draw_properties_) << 560c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) "CalcDrawProperties should not set_needs_update_draw_properties()"; 561f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return true; 5622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 564c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)const LayerImplList& LayerTreeImpl::RenderSurfaceLayerList() const { 5652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If this assert triggers, then the list is dirty. 5662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(!needs_update_draw_properties_); 5672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return render_surface_layer_list_; 5682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)gfx::Size LayerTreeImpl::ScrollableSize() const { 5715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) LayerImpl* root_scroll_layer = OuterViewportScrollLayer() 5725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ? OuterViewportScrollLayer() 5735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) : InnerViewportScrollLayer(); 5745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!root_scroll_layer || root_scroll_layer->children().empty()) 5752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return gfx::Size(); 5765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return root_scroll_layer->children()[0]->bounds(); 5772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerImpl* LayerTreeImpl::LayerById(int id) { 5802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerIdMap::iterator iter = layer_id_map_.find(id); 5812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return iter != layer_id_map_.end() ? iter->second : NULL; 5822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::RegisterLayer(LayerImpl* layer) { 5852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(!LayerById(layer->id())); 5862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_id_map_[layer->id()] = layer; 5872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::UnregisterLayer(LayerImpl* layer) { 5902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(LayerById(layer->id())); 5912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_id_map_.erase(layer->id()); 5922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 594116680a4aac90f2aa7413d9095a592090648e557Ben Murdochsize_t LayerTreeImpl::NumLayers() { 595116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return layer_id_map_.size(); 596116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch} 597116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 5982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::PushPersistedState(LayerTreeImpl* pending_tree) { 599868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_tree->SetCurrentlyScrollingLayer( 600868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) LayerTreeHostCommon::FindLayerInSubtree(pending_tree->root_layer(), 601868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) currently_scrolling_layer_ ? currently_scrolling_layer_->id() : 0)); 6022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static void DidBecomeActiveRecursive(LayerImpl* layer) { 6052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer->DidBecomeActive(); 6065f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (layer->mask_layer()) 6075f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) layer->mask_layer()->DidBecomeActive(); 6085f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (layer->replica_layer() && layer->replica_layer()->mask_layer()) 6095f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) layer->replica_layer()->mask_layer()->DidBecomeActive(); 6105f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 6112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < layer->children().size(); ++i) 6122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DidBecomeActiveRecursive(layer->children()[i]); 6132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::DidBecomeActive() { 616f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (next_activation_forces_redraw_) { 617f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) layer_tree_host_impl_->SetFullRootLayerDamage(); 618f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) next_activation_forces_redraw_ = false; 619f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) } 620f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 6215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (scrolling_layer_id_from_previous_tree_) { 6225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) currently_scrolling_layer_ = LayerTreeHostCommon::FindLayerInSubtree( 623116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch root_layer(), scrolling_layer_id_from_previous_tree_); 6245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 6255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 626116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // Always reset this flag on activation, as we would only have activated 627116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // if we were in a good state. 628116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch ResetRequiresHighResToDraw(); 629116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 630116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (root_layer()) 631116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DidBecomeActiveRecursive(root_layer()); 632116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 633f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) devtools_instrumentation::DidActivateLayerTree(layer_tree_host_impl_->id(), 634f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) source_frame_number_); 6352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeImpl::ContentsTexturesPurged() const { 6382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return contents_textures_purged_; 6392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::SetContentsTexturesPurged() { 6427d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (contents_textures_purged_) 6437d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) contents_textures_purged_ = true; 6452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_tree_host_impl_->OnCanDrawStateChangedForTree(); 6462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::ResetContentsTexturesPurged() { 6497d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) if (!contents_textures_purged_) 6507d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return; 6512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) contents_textures_purged_ = false; 6522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_tree_host_impl_->OnCanDrawStateChangedForTree(); 6532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void LayerTreeImpl::SetRequiresHighResToDraw() { 6565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) requires_high_res_to_draw_ = true; 6575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 6585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void LayerTreeImpl::ResetRequiresHighResToDraw() { 6605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) requires_high_res_to_draw_ = false; 6615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 6625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)bool LayerTreeImpl::RequiresHighResToDraw() const { 6645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return requires_high_res_to_draw_; 6655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 6665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeImpl::ViewportSizeInvalid() const { 6682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return viewport_size_invalid_; 6692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::SetViewportSizeInvalid() { 6722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) viewport_size_invalid_ = true; 6732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_tree_host_impl_->OnCanDrawStateChangedForTree(); 6742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::ResetViewportSizeInvalid() { 6772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) viewport_size_invalid_ = false; 6782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_tree_host_impl_->OnCanDrawStateChangedForTree(); 6792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)Proxy* LayerTreeImpl::proxy() const { 6822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->proxy(); 6832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const LayerTreeSettings& LayerTreeImpl::settings() const { 6862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->settings(); 6872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)const RendererCapabilitiesImpl& LayerTreeImpl::GetRendererCapabilities() const { 6902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->GetRendererCapabilities(); 6912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6933551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)ContextProvider* LayerTreeImpl::context_provider() const { 6943551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) return output_surface()->context_provider(); 6953551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)} 6963551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 6972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)OutputSurface* LayerTreeImpl::output_surface() const { 6982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->output_surface(); 6992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)ResourceProvider* LayerTreeImpl::resource_provider() const { 7022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->resource_provider(); 7032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)TileManager* LayerTreeImpl::tile_manager() const { 7062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->tile_manager(); 7072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)FrameRateCounter* LayerTreeImpl::frame_rate_counter() const { 7102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->fps_counter(); 7112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)PaintTimeCounter* LayerTreeImpl::paint_time_counter() const { 7142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->paint_time_counter(); 7152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)MemoryHistory* LayerTreeImpl::memory_history() const { 7182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->memory_history(); 7192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7215c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liugfx::Size LayerTreeImpl::device_viewport_size() const { 7225c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu return layer_tree_host_impl_->device_viewport_size(); 7235c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} 7245c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 7252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeImpl::IsActiveTree() const { 7262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->active_tree() == this; 7272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeImpl::IsPendingTree() const { 7302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->pending_tree() == this; 7312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeImpl::IsRecycleTree() const { 7342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->recycle_tree() == this; 7352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerImpl* LayerTreeImpl::FindActiveTreeLayerById(int id) { 7382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeImpl* tree = layer_tree_host_impl_->active_tree(); 7392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!tree) 7402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return NULL; 7412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return tree->LayerById(id); 7422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerImpl* LayerTreeImpl::FindPendingTreeLayerById(int id) { 7452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeImpl* tree = layer_tree_host_impl_->pending_tree(); 7462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!tree) 7472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return NULL; 7482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return tree->LayerById(id); 7492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7515f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)LayerImpl* LayerTreeImpl::FindRecycleTreeLayerById(int id) { 7525f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) LayerTreeImpl* tree = layer_tree_host_impl_->recycle_tree(); 7535f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!tree) 7545f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return NULL; 7555f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return tree->LayerById(id); 7565f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} 7575f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 7582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeImpl::PinchGestureActive() const { 7592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->pinch_gesture_active(); 7602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 76203b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles)BeginFrameArgs LayerTreeImpl::CurrentBeginFrameArgs() const { 76303b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) return layer_tree_host_impl_->CurrentBeginFrameArgs(); 764c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 765c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 766010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)base::TimeDelta LayerTreeImpl::begin_impl_frame_interval() const { 767010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return layer_tree_host_impl_->begin_impl_frame_interval(); 768010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)} 769010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 7702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::SetNeedsCommit() { 7712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_tree_host_impl_->SetNeedsCommit(); 7722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7745f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)gfx::Rect LayerTreeImpl::DeviceViewport() const { 7755f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return layer_tree_host_impl_->DeviceViewport(); 7765f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} 7775f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 77858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)gfx::Size LayerTreeImpl::DrawViewportSize() const { 77958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) return layer_tree_host_impl_->DrawViewportSize(); 78058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} 78158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 7825f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)const gfx::Rect LayerTreeImpl::ViewportRectForTilePriority() const { 7835f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return layer_tree_host_impl_->ViewportRectForTilePriority(); 7845f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} 7855f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 786010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)scoped_ptr<ScrollbarAnimationController> 787010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)LayerTreeImpl::CreateScrollbarAnimationController(LayerImpl* scrolling_layer) { 788010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) DCHECK(settings().scrollbar_fade_delay_ms); 789010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) DCHECK(settings().scrollbar_fade_duration_ms); 790010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) base::TimeDelta delay = 791010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) base::TimeDelta::FromMilliseconds(settings().scrollbar_fade_delay_ms); 792010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) base::TimeDelta duration = 793010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) base::TimeDelta::FromMilliseconds(settings().scrollbar_fade_duration_ms); 794010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) switch (settings().scrollbar_animator) { 795010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) case LayerTreeSettings::LinearFade: { 796010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return ScrollbarAnimationControllerLinearFade::Create( 797010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) scrolling_layer, layer_tree_host_impl_, delay, duration) 798010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) .PassAs<ScrollbarAnimationController>(); 799010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) } 800010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) case LayerTreeSettings::Thinning: { 801010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return ScrollbarAnimationControllerThinning::Create( 802010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) scrolling_layer, layer_tree_host_impl_, delay, duration) 803010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) .PassAs<ScrollbarAnimationController>(); 804010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) } 805010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) case LayerTreeSettings::NoAnimator: 806010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) NOTREACHED(); 807010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) break; 808010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) } 809010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return scoped_ptr<ScrollbarAnimationController>(); 81058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} 81158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 812a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)void LayerTreeImpl::DidAnimateScrollOffset() { 813a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) layer_tree_host_impl_->DidAnimateScrollOffset(); 814a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)} 815a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 816cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)bool LayerTreeImpl::use_gpu_rasterization() const { 817cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return layer_tree_host_impl_->use_gpu_rasterization(); 818cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 819cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 820cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)bool LayerTreeImpl::create_low_res_tiling() const { 821cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return layer_tree_host_impl_->create_low_res_tiling(); 822cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 823cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 8242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeImpl::SetNeedsRedraw() { 825c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) layer_tree_host_impl_->SetNeedsRedraw(); 8262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const LayerTreeDebugState& LayerTreeImpl::debug_state() const { 8292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->debug_state(); 8302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)float LayerTreeImpl::device_scale_factor() const { 8332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->device_scale_factor(); 8342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)DebugRectHistory* LayerTreeImpl::debug_rect_history() const { 8372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->debug_rect_history(); 8382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)AnimationRegistrar* LayerTreeImpl::animationRegistrar() const { 8412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_tree_host_impl_->animation_registrar(); 8422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8441320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccivoid LayerTreeImpl::GetAllTilesForTracing(std::set<const Tile*>* tiles) const { 8451320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci typedef LayerIterator<LayerImpl> LayerIteratorType; 8461320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci LayerIteratorType end = LayerIteratorType::End(&render_surface_layer_list_); 8471320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci for (LayerIteratorType it = 8481320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci LayerIteratorType::Begin(&render_surface_layer_list_); 8491320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci it != end; 8501320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ++it) { 8511320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!it.represents_itself()) 8521320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci continue; 8531320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci LayerImpl* layer_impl = *it; 8541320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci layer_impl->GetAllTilesForTracing(tiles); 8551320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 8561320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 8571320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 8585f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)void LayerTreeImpl::AsValueInto(base::debug::TracedValue* state) const { 8595f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) TracedValue::MakeDictIntoImplicitSnapshot(state, "cc::LayerTreeImpl", this); 8601320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci state->SetInteger("source_frame_number", source_frame_number_); 861b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 8625f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) state->BeginDictionary("root_layer"); 8635f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) root_layer_->AsValueInto(state); 8645f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) state->EndDictionary(); 865b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 8665f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) state->BeginArray("render_surface_layer_list"); 8675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) typedef LayerIterator<LayerImpl> LayerIteratorType; 8682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerIteratorType end = LayerIteratorType::End(&render_surface_layer_list_); 8692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (LayerIteratorType it = LayerIteratorType::Begin( 8702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &render_surface_layer_list_); it != end; ++it) { 8712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!it.represents_itself()) 8722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue; 8735f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) TracedValue::AppendIDRef(*it, state); 8742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 8755f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) state->EndArray(); 8761320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 8771320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci state->BeginArray("swap_promise_trace_ids"); 8781320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci for (size_t i = 0; i < swap_promise_list_.size(); i++) 8791320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci state->AppendDouble(swap_promise_list_[i]->TraceId()); 8801320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci state->EndArray(); 8812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 883c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void LayerTreeImpl::SetRootLayerScrollOffsetDelegate( 884a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) LayerScrollOffsetDelegate* root_layer_scroll_offset_delegate) { 88568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (root_layer_scroll_offset_delegate_ == root_layer_scroll_offset_delegate) 88668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) return; 88768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 8885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!root_layer_scroll_offset_delegate) { 8895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Make sure we remove the proxies from their layers before 8905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // releasing them. 8915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (InnerViewportScrollLayer()) 8925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) InnerViewportScrollLayer()->SetScrollOffsetDelegate(NULL); 8935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (OuterViewportScrollLayer()) 8945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) OuterViewportScrollLayer()->SetScrollOffsetDelegate(NULL); 8955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_delegate_proxy_.reset(); 8965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_scroll_delegate_proxy_.reset(); 897c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 89868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) 8995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) root_layer_scroll_offset_delegate_ = root_layer_scroll_offset_delegate; 9005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 90168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) if (root_layer_scroll_offset_delegate_) { 902cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) root_layer_scroll_offset_delegate_->UpdateRootLayerState( 903cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) TotalScrollOffset(), 904cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) TotalMaxScrollOffset(), 905cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ScrollableSize(), 9065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) total_page_scale_factor(), 9075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) min_page_scale_factor(), 9085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) max_page_scale_factor()); 9095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (inner_viewport_scroll_layer_) { 9115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_delegate_proxy_ = make_scoped_ptr( 9125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) new LayerScrollOffsetDelegateProxy(InnerViewportScrollLayer(), 9135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) root_layer_scroll_offset_delegate_, 9145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) this)); 9155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_layer_->SetScrollOffsetDelegate( 9165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_delegate_proxy_.get()); 9175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 9185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (outer_viewport_scroll_layer_) { 9205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_scroll_delegate_proxy_ = make_scoped_ptr( 9215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) new LayerScrollOffsetDelegateProxy(OuterViewportScrollLayer(), 9225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) root_layer_scroll_offset_delegate_, 9235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) this)); 9245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_scroll_layer_->SetScrollOffsetDelegate( 9255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_scroll_delegate_proxy_.get()); 9265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 92768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) } 928c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 929c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 9305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void LayerTreeImpl::UpdateScrollOffsetDelegate() { 9315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(InnerViewportScrollLayer()); 9325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(root_layer_scroll_offset_delegate_); 9335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Vector2dF offset = 9355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_delegate_proxy_->last_set_scroll_offset(); 9365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (OuterViewportScrollLayer()) 9385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) offset += outer_viewport_scroll_delegate_proxy_->last_set_scroll_offset(); 9395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 940cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) root_layer_scroll_offset_delegate_->UpdateRootLayerState( 941cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) offset, 942cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) TotalMaxScrollOffset(), 943cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ScrollableSize(), 944cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) total_page_scale_factor(), 945cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) min_page_scale_factor(), 946cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) max_page_scale_factor()); 9475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 9485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)gfx::Vector2dF LayerTreeImpl::GetDelegatedScrollOffset(LayerImpl* layer) { 9505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(root_layer_scroll_offset_delegate_); 9515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(InnerViewportScrollLayer()); 9525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (layer == InnerViewportScrollLayer() && !OuterViewportScrollLayer()) 9535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return root_layer_scroll_offset_delegate_->GetTotalScrollOffset(); 9545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If we get here, we have both inner/outer viewports, and need to distribute 9565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // the scroll offset between them. 9575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(inner_viewport_scroll_delegate_proxy_); 9585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(outer_viewport_scroll_delegate_proxy_); 9595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Vector2dF inner_viewport_offset = 9605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_scroll_delegate_proxy_->last_set_scroll_offset(); 9615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Vector2dF outer_viewport_offset = 9625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_scroll_delegate_proxy_->last_set_scroll_offset(); 9635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // It may be nothing has changed. 9655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Vector2dF delegate_offset = 9665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) root_layer_scroll_offset_delegate_->GetTotalScrollOffset(); 9675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (inner_viewport_offset + outer_viewport_offset == delegate_offset) { 9685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (layer == InnerViewportScrollLayer()) 9695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return inner_viewport_offset; 9705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) else 9715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return outer_viewport_offset; 9725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 9735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) gfx::Vector2d max_outer_viewport_scroll_offset = 9755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) OuterViewportScrollLayer()->MaxScrollOffset(); 9765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_offset = delegate_offset - inner_viewport_offset; 9785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_offset.SetToMin(max_outer_viewport_scroll_offset); 9795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) outer_viewport_offset.SetToMax(gfx::Vector2d()); 9805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (layer == OuterViewportScrollLayer()) 9825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return outer_viewport_offset; 9835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) inner_viewport_offset = delegate_offset - outer_viewport_offset; 9855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return inner_viewport_offset; 9875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 9885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 989f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void LayerTreeImpl::QueueSwapPromise(scoped_ptr<SwapPromise> swap_promise) { 990f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DCHECK(swap_promise); 991f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) swap_promise_list_.push_back(swap_promise.Pass()); 992f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 993f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 994f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void LayerTreeImpl::PassSwapPromises( 995f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ScopedPtrVector<SwapPromise>* new_swap_promise) { 996f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) swap_promise_list_.insert_and_take(swap_promise_list_.end(), 9971320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci new_swap_promise); 998f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) new_swap_promise->clear(); 999f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 1000f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1001a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)void LayerTreeImpl::FinishSwapPromises(CompositorFrameMetadata* metadata) { 1002f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) for (size_t i = 0; i < swap_promise_list_.size(); i++) 1003a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) swap_promise_list_[i]->DidSwap(metadata); 1004f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) swap_promise_list_.clear(); 1005f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 1006f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1007f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void LayerTreeImpl::BreakSwapPromises(SwapPromise::DidNotSwapReason reason) { 1008f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) for (size_t i = 0; i < swap_promise_list_.size(); i++) 1009f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) swap_promise_list_[i]->DidNotSwap(reason); 1010f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) swap_promise_list_.clear(); 1011f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 1012f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1013d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)void LayerTreeImpl::DidModifyTilePriorities() { 1014d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) layer_tree_host_impl_->DidModifyTilePriorities(); 101590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} 101690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 1017a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)void LayerTreeImpl::set_ui_resource_request_queue( 1018a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) const UIResourceRequestQueue& queue) { 1019a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ui_resource_request_queue_ = queue; 1020a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1021a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1022a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)ResourceProvider::ResourceId LayerTreeImpl::ResourceIdForUIResource( 1023a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) UIResourceId uid) const { 1024a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return layer_tree_host_impl_->ResourceIdForUIResource(uid); 1025a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1026a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 10271e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)bool LayerTreeImpl::IsUIResourceOpaque(UIResourceId uid) const { 10281e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) return layer_tree_host_impl_->IsUIResourceOpaque(uid); 10291e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)} 10301e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 1031a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)void LayerTreeImpl::ProcessUIResourceRequestQueue() { 1032a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) while (ui_resource_request_queue_.size() > 0) { 1033a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) UIResourceRequest req = ui_resource_request_queue_.front(); 1034a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ui_resource_request_queue_.pop_front(); 1035a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 103668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) switch (req.GetType()) { 1037a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) case UIResourceRequest::UIResourceCreate: 103868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) layer_tree_host_impl_->CreateUIResource(req.GetId(), req.GetBitmap()); 1039a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) break; 1040a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) case UIResourceRequest::UIResourceDelete: 104168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) layer_tree_host_impl_->DeleteUIResource(req.GetId()); 1042a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) break; 1043424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) case UIResourceRequest::UIResourceInvalidRequest: 1044a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) NOTREACHED(); 1045a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) break; 1046a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 1047a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 104858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 104958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // If all UI resource evictions were not recreated by processing this queue, 105058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // then another commit is required. 105158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (layer_tree_host_impl_->EvictedUIResourcesExist()) 105258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) layer_tree_host_impl_->SetNeedsCommit(); 1053a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 1054a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 10557dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochvoid LayerTreeImpl::AddLayerWithCopyOutputRequest(LayerImpl* layer) { 10567dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // Only the active tree needs to know about layers with copy requests, as 10577dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // they are aborted if not serviced during draw. 10587dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch DCHECK(IsActiveTree()); 10597dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 10605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // DCHECK(std::find(layers_with_copy_output_request_.begin(), 10615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // layers_with_copy_output_request_.end(), 10625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // layer) == layers_with_copy_output_request_.end()); 10635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(danakj): Remove this once crash is found crbug.com/309777 10645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) for (size_t i = 0; i < layers_with_copy_output_request_.size(); ++i) { 10655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) CHECK(layers_with_copy_output_request_[i] != layer) 10665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) << i << " of " << layers_with_copy_output_request_.size(); 10675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 10687dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch layers_with_copy_output_request_.push_back(layer); 10697dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch} 10707dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 10717dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochvoid LayerTreeImpl::RemoveLayerWithCopyOutputRequest(LayerImpl* layer) { 10727dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // Only the active tree needs to know about layers with copy requests, as 10737dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // they are aborted if not serviced during draw. 10747dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch DCHECK(IsActiveTree()); 10757dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 10767dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch std::vector<LayerImpl*>::iterator it = std::find( 10777dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch layers_with_copy_output_request_.begin(), 10787dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch layers_with_copy_output_request_.end(), 10797dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch layer); 10807dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch DCHECK(it != layers_with_copy_output_request_.end()); 1081fb250657ef40d7500f20882d5c9909c1013367d3Ben Murdoch layers_with_copy_output_request_.erase(it); 10825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 10835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(danakj): Remove this once crash is found crbug.com/309777 10845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) for (size_t i = 0; i < layers_with_copy_output_request_.size(); ++i) { 10855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) CHECK(layers_with_copy_output_request_[i] != layer) 10865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) << i << " of " << layers_with_copy_output_request_.size(); 10875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 10887dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch} 10897dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 1090a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)const std::vector<LayerImpl*>& LayerTreeImpl::LayersWithCopyOutputRequest() 10917dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch const { 10927dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // Only the active tree needs to know about layers with copy requests, as 10937dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch // they are aborted if not serviced during draw. 10947dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch DCHECK(IsActiveTree()); 10957dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 10967dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return layers_with_copy_output_request_; 10977dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch} 10987dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 1099cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void LayerTreeImpl::ReleaseResourcesRecursive(LayerImpl* current) { 1100cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(current); 1101cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) current->ReleaseResources(); 1102cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (current->mask_layer()) 1103cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ReleaseResourcesRecursive(current->mask_layer()); 1104cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (current->replica_layer()) 1105cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ReleaseResourcesRecursive(current->replica_layer()); 1106cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) for (size_t i = 0; i < current->children().size(); ++i) 1107cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ReleaseResourcesRecursive(current->children()[i]); 1108cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1109cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1110cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)template <typename LayerType> 1111cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)static inline bool LayerClipsSubtree(LayerType* layer) { 1112cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return layer->masks_to_bounds() || layer->mask_layer(); 1113cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1114cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1115cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)static bool PointHitsRect( 1116cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const gfx::PointF& screen_space_point, 1117cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const gfx::Transform& local_space_to_screen_space_transform, 1118cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const gfx::RectF& local_space_rect, 1119cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) float* distance_to_camera) { 1120cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // If the transform is not invertible, then assume that this point doesn't hit 1121cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // this rect. 1122cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::Transform inverse_local_space_to_screen_space( 1123cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::Transform::kSkipInitialization); 1124cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!local_space_to_screen_space_transform.GetInverse( 1125cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) &inverse_local_space_to_screen_space)) 1126cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1127cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1128cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Transform the hit test point from screen space to the local space of the 1129cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // given rect. 1130cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bool clipped = false; 1131cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::Point3F planar_point = MathUtil::ProjectPoint3D( 1132cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) inverse_local_space_to_screen_space, screen_space_point, &clipped); 1133cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::PointF hit_test_point_in_local_space = 1134cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::PointF(planar_point.x(), planar_point.y()); 1135cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1136cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // If ProjectPoint could not project to a valid value, then we assume that 1137cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // this point doesn't hit this rect. 1138cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (clipped) 1139cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1140cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1141cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!local_space_rect.Contains(hit_test_point_in_local_space)) 1142cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1143cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1144cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (distance_to_camera) { 1145cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // To compute the distance to the camera, we have to take the planar point 1146cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // and pull it back to world space and compute the displacement along the 1147cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // z-axis. 1148cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::Point3F planar_point_in_screen_space(planar_point); 1149cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_space_to_screen_space_transform.TransformPoint( 1150cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) &planar_point_in_screen_space); 1151cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) *distance_to_camera = planar_point_in_screen_space.z(); 1152cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 1153cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1154cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return true; 1155cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1156cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1157cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)static bool PointHitsRegion(const gfx::PointF& screen_space_point, 1158cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const gfx::Transform& screen_space_transform, 1159cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const Region& layer_space_region, 1160cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) float layer_content_scale_x, 1161cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) float layer_content_scale_y) { 1162cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // If the transform is not invertible, then assume that this point doesn't hit 1163cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // this region. 1164cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::Transform inverse_screen_space_transform( 1165cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::Transform::kSkipInitialization); 1166cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!screen_space_transform.GetInverse(&inverse_screen_space_transform)) 1167cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1168cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1169cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Transform the hit test point from screen space to the local space of the 1170cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // given region. 1171cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bool clipped = false; 1172cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::PointF hit_test_point_in_content_space = MathUtil::ProjectPoint( 1173cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) inverse_screen_space_transform, screen_space_point, &clipped); 1174cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::PointF hit_test_point_in_layer_space = 1175cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::ScalePoint(hit_test_point_in_content_space, 1176cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1.f / layer_content_scale_x, 1177cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1.f / layer_content_scale_y); 1178cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1179cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // If ProjectPoint could not project to a valid value, then we assume that 1180cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // this point doesn't hit this region. 1181cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (clipped) 1182cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1183cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1184cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return layer_space_region.Contains( 1185cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::ToRoundedPoint(hit_test_point_in_layer_space)); 1186cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1187cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1188116680a4aac90f2aa7413d9095a592090648e557Ben Murdochstatic const LayerImpl* GetNextClippingLayer(const LayerImpl* layer) { 1189f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (layer->scroll_parent()) 1190f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return layer->scroll_parent(); 1191f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (layer->clip_parent()) 1192f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return layer->clip_parent(); 1193f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return layer->parent(); 1194f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)} 1195f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 1196cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)static bool PointIsClippedBySurfaceOrClipRect( 1197cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const gfx::PointF& screen_space_point, 1198116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch const LayerImpl* layer) { 1199cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Walk up the layer tree and hit-test any render_surfaces and any layer 1200cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // clip rects that are active. 1201f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) for (; layer; layer = GetNextClippingLayer(layer)) { 1202f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (layer->render_surface() && 1203f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) !PointHitsRect(screen_space_point, 1204f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) layer->render_surface()->screen_space_transform(), 1205f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) layer->render_surface()->content_rect(), 1206f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) NULL)) 1207cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return true; 1208cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1209f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (LayerClipsSubtree(layer) && 1210f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) !PointHitsRect(screen_space_point, 1211f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) layer->screen_space_transform(), 1212f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) gfx::Rect(layer->content_bounds()), 1213f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) NULL)) 1214cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return true; 1215cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 1216cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1217cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // If we have finished walking all ancestors without having already exited, 1218cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // then the point is not clipped by any ancestors. 1219cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1220cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1221cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1222116680a4aac90f2aa7413d9095a592090648e557Ben Murdochstatic bool PointHitsLayer(const LayerImpl* layer, 1223cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const gfx::PointF& screen_space_point, 1224cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) float* distance_to_intersection) { 1225cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) gfx::RectF content_rect(layer->content_bounds()); 1226cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!PointHitsRect(screen_space_point, 1227cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) layer->screen_space_transform(), 1228cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) content_rect, 1229cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) distance_to_intersection)) 1230cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1231cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1232cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // At this point, we think the point does hit the layer, but we need to walk 1233cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // up the parents to ensure that the layer was not clipped in such a way 1234cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // that the hit point actually should not hit the layer. 1235cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (PointIsClippedBySurfaceOrClipRect(screen_space_point, layer)) 1236cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1237cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1238cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Skip the HUD layer. 1239cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (layer == layer->layer_tree_impl()->hud_layer()) 1240cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1241cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1242cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return true; 1243cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1244cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1245cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)struct FindClosestMatchingLayerDataForRecursion { 1246cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FindClosestMatchingLayerDataForRecursion() 1247cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) : closest_match(NULL), 1248cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) closest_distance(-std::numeric_limits<float>::infinity()) {} 1249cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) LayerImpl* closest_match; 1250cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Note that the positive z-axis points towards the camera, so bigger means 1251cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // closer in this case, counterintuitively. 1252cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) float closest_distance; 1253cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)}; 1254cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1255cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)template <typename Functor> 1256cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)static void FindClosestMatchingLayer( 1257cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const gfx::PointF& screen_space_point, 1258cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) LayerImpl* layer, 1259cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const Functor& func, 1260cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FindClosestMatchingLayerDataForRecursion* data_for_recursion) { 1261cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) for (int i = layer->children().size() - 1; i >= 0; --i) { 1262cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FindClosestMatchingLayer( 1263cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) screen_space_point, layer->children()[i], func, data_for_recursion); 1264cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 1265cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1266cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) float distance_to_intersection = 0.f; 1267cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (func(layer) && 1268cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) PointHitsLayer(layer, screen_space_point, &distance_to_intersection) && 1269cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ((!data_for_recursion->closest_match || 1270cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) distance_to_intersection > data_for_recursion->closest_distance))) { 1271cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) data_for_recursion->closest_distance = distance_to_intersection; 1272cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) data_for_recursion->closest_match = layer; 1273cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 1274cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1275cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1276cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)static bool ScrollsAnyDrawnRenderSurfaceLayerListMember(LayerImpl* layer) { 1277cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!layer->scrollable()) 1278cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1279cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (layer->IsDrawnRenderSurfaceLayerListMember()) 1280cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return true; 1281cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!layer->scroll_children()) 1282cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1283cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) for (std::set<LayerImpl*>::const_iterator it = 1284cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) layer->scroll_children()->begin(); 1285cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) it != layer->scroll_children()->end(); 1286cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ++it) { 1287cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if ((*it)->IsDrawnRenderSurfaceLayerListMember()) 1288cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return true; 1289cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 1290cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1291cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1292cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1293cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)struct FindScrollingLayerFunctor { 1294cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bool operator()(LayerImpl* layer) const { 1295cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return ScrollsAnyDrawnRenderSurfaceLayerListMember(layer); 1296cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 1297cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)}; 1298cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1299cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)LayerImpl* LayerTreeImpl::FindFirstScrollingLayerThatIsHitByPoint( 1300cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const gfx::PointF& screen_space_point) { 1301cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FindClosestMatchingLayerDataForRecursion data_for_recursion; 1302cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FindClosestMatchingLayer(screen_space_point, 1303cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) root_layer(), 1304cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FindScrollingLayerFunctor(), 1305cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) &data_for_recursion); 1306cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return data_for_recursion.closest_match; 1307cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1308cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1309cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)struct HitTestVisibleScrollableOrTouchableFunctor { 1310cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bool operator()(LayerImpl* layer) const { 1311cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return layer->IsDrawnRenderSurfaceLayerListMember() || 1312cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ScrollsAnyDrawnRenderSurfaceLayerListMember(layer) || 1313cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) !layer->touch_event_handler_region().IsEmpty() || 1314cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) layer->have_wheel_event_handlers(); 1315cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 1316cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)}; 1317cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1318cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)LayerImpl* LayerTreeImpl::FindLayerThatIsHitByPoint( 1319cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const gfx::PointF& screen_space_point) { 1320f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (!root_layer()) 1321f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return NULL; 1322f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (!UpdateDrawProperties()) 1323f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return NULL; 1324cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FindClosestMatchingLayerDataForRecursion data_for_recursion; 1325cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FindClosestMatchingLayer(screen_space_point, 1326cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) root_layer(), 1327cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) HitTestVisibleScrollableOrTouchableFunctor(), 1328cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) &data_for_recursion); 1329cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return data_for_recursion.closest_match; 1330cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1331cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1332cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)static bool LayerHasTouchEventHandlersAt(const gfx::PointF& screen_space_point, 1333cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) LayerImpl* layer_impl) { 1334cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (layer_impl->touch_event_handler_region().IsEmpty()) 1335cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1336cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1337cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!PointHitsRegion(screen_space_point, 1338cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) layer_impl->screen_space_transform(), 1339cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) layer_impl->touch_event_handler_region(), 1340cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) layer_impl->contents_scale_x(), 1341cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) layer_impl->contents_scale_y())) 1342cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1343cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1344cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // At this point, we think the point does hit the touch event handler region 1345cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // on the layer, but we need to walk up the parents to ensure that the layer 1346cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // was not clipped in such a way that the hit point actually should not hit 1347cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // the layer. 1348cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (PointIsClippedBySurfaceOrClipRect(screen_space_point, layer_impl)) 1349cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 1350cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1351cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return true; 1352cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1353cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1354cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)struct FindTouchEventLayerFunctor { 1355cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bool operator()(LayerImpl* layer) const { 1356cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return LayerHasTouchEventHandlersAt(screen_space_point, layer); 1357cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 1358cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const gfx::PointF screen_space_point; 1359cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)}; 1360cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1361cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)LayerImpl* LayerTreeImpl::FindLayerThatIsHitByPointInTouchHandlerRegion( 1362cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const gfx::PointF& screen_space_point) { 1363f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (!root_layer()) 1364f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return NULL; 1365f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (!UpdateDrawProperties()) 1366f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return NULL; 1367cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FindTouchEventLayerFunctor func = {screen_space_point}; 1368cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FindClosestMatchingLayerDataForRecursion data_for_recursion; 1369cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FindClosestMatchingLayer( 1370cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) screen_space_point, root_layer(), func, &data_for_recursion); 1371cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return data_for_recursion.closest_match; 1372cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1373cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1374116680a4aac90f2aa7413d9095a592090648e557Ben Murdochvoid LayerTreeImpl::RegisterSelection(const LayerSelectionBound& start, 1375116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch const LayerSelectionBound& end) { 1376116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch selection_start_ = start; 1377116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch selection_end_ = end; 1378116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch} 1379116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 1380116680a4aac90f2aa7413d9095a592090648e557Ben Murdochstatic ViewportSelectionBound ComputeViewportSelection( 138103b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) const LayerSelectionBound& layer_bound, 1382116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch LayerImpl* layer, 1383116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch float device_scale_factor) { 138403b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) ViewportSelectionBound viewport_bound; 138503b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) viewport_bound.type = layer_bound.type; 1386116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 138703b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) if (!layer || layer_bound.type == SELECTION_BOUND_EMPTY) 138803b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) return viewport_bound; 1389116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 139003b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) gfx::PointF layer_scaled_top = gfx::ScalePoint(layer_bound.edge_top, 139103b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) layer->contents_scale_x(), 139203b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) layer->contents_scale_y()); 139303b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) gfx::PointF layer_scaled_bottom = gfx::ScalePoint(layer_bound.edge_bottom, 139403b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) layer->contents_scale_x(), 139503b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) layer->contents_scale_y()); 1396116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 139703b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) bool clipped = false; 139803b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) gfx::PointF screen_top = MathUtil::MapPoint( 139903b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) layer->screen_space_transform(), layer_scaled_top, &clipped); 140003b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) gfx::PointF screen_bottom = MathUtil::MapPoint( 140103b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) layer->screen_space_transform(), layer_scaled_bottom, &clipped); 140203b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) 140303b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) const float inv_scale = 1.f / device_scale_factor; 140403b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) viewport_bound.edge_top = gfx::ScalePoint(screen_top, inv_scale); 140503b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) viewport_bound.edge_bottom = gfx::ScalePoint(screen_bottom, inv_scale); 140603b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) 140703b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) // The bottom edge point is used for visibility testing as it is the logical 1408116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // focal point for bound selection handles (this may change in the future). 140903b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) // Shifting the visibility point fractionally inward ensures that neighboring 141003b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) // or logically coincident layers aligned to integral DPI coordinates will not 141103b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) // spuriously occlude the bound. 141203b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) gfx::Vector2dF visibility_offset = layer_scaled_top - layer_scaled_bottom; 141303b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) visibility_offset.Scale(device_scale_factor / visibility_offset.Length()); 141403b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) gfx::PointF visibility_point = layer_scaled_bottom + visibility_offset; 141503b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) if (visibility_point.x() <= 0) 141603b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) visibility_point.set_x(visibility_point.x() + device_scale_factor); 141703b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) visibility_point = MathUtil::MapPoint( 141803b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) layer->screen_space_transform(), visibility_point, &clipped); 1419116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 142003b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) float intersect_distance = 0.f; 142103b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) viewport_bound.visible = 142203b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) PointHitsLayer(layer, visibility_point, &intersect_distance); 1423116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 142403b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) return viewport_bound; 1425116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch} 1426116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 1427116680a4aac90f2aa7413d9095a592090648e557Ben Murdochvoid LayerTreeImpl::GetViewportSelection(ViewportSelectionBound* start, 1428116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch ViewportSelectionBound* end) { 1429116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DCHECK(start); 1430116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DCHECK(end); 1431116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 1432116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch *start = ComputeViewportSelection( 1433116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch selection_start_, 1434116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch selection_start_.layer_id ? LayerById(selection_start_.layer_id) : NULL, 1435116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch device_scale_factor()); 1436116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (start->type == SELECTION_BOUND_CENTER || 1437116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch start->type == SELECTION_BOUND_EMPTY) { 1438116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch *end = *start; 1439116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } else { 1440116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch *end = ComputeViewportSelection( 1441116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch selection_end_, 1442116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch selection_end_.layer_id ? LayerById(selection_end_.layer_id) : NULL, 1443116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch device_scale_factor()); 1444116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } 1445116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch} 1446116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 1447f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)void LayerTreeImpl::RegisterPictureLayerImpl(PictureLayerImpl* layer) { 1448f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) layer_tree_host_impl_->RegisterPictureLayerImpl(layer); 1449f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)} 1450f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 1451f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)void LayerTreeImpl::UnregisterPictureLayerImpl(PictureLayerImpl* layer) { 1452f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) layer_tree_host_impl_->UnregisterPictureLayerImpl(layer); 1453f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)} 1454f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) 1455116680a4aac90f2aa7413d9095a592090648e557Ben Murdochvoid LayerTreeImpl::InputScrollAnimationFinished() { 1456116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch layer_tree_host_impl_->ScrollEnd(); 1457116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch} 1458116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 14591320f92c476a1ad9d19dba2a48c72b75566198e9Primiano TucciBlockingTaskRunner* LayerTreeImpl::BlockingMainThreadTaskRunner() const { 14601320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return proxy()->blocking_main_thread_task_runner(); 14611320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 14621320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 14631675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdochvoid LayerTreeImpl::SetPageScaleAnimation(const gfx::Vector2d& target_offset, 14641675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch bool anchor_point, 14651675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch float page_scale, 14661675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch base::TimeDelta duration) { 14671675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch if (!InnerViewportScrollLayer()) 14681675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch return; 14691675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch 14701675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch gfx::Vector2dF scroll_total = TotalScrollOffset(); 14711675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch gfx::SizeF scaled_scrollable_size = ScrollableSize(); 14721675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch gfx::SizeF viewport_size = InnerViewportContainerLayer()->bounds(); 14731675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch 14741675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch // Easing constants experimentally determined. 14751675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch scoped_ptr<TimingFunction> timing_function = 14761675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch CubicBezierTimingFunction::Create(.8, 0, .3, .9).PassAs<TimingFunction>(); 14771675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch 14781675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch // TODO(miletus) : Pass in ScrollOffset. 14791675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch page_scale_animation_ = PageScaleAnimation::Create(scroll_total, 14801675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch total_page_scale_factor(), 14811675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch viewport_size, 14821675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch scaled_scrollable_size, 14831675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch timing_function.Pass()); 14841675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch 14851675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch if (anchor_point) { 14861675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch gfx::Vector2dF anchor(target_offset); 14871675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch page_scale_animation_->ZoomWithAnchor( 14881675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch anchor, page_scale, duration.InSecondsF()); 14891675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch } else { 14901675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch gfx::Vector2dF scaled_target_offset = target_offset; 14911675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch page_scale_animation_->ZoomTo( 14921675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch scaled_target_offset, page_scale, duration.InSecondsF()); 14931675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch } 14941675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch} 14951675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch 14961675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdochscoped_ptr<PageScaleAnimation> LayerTreeImpl::TakePageScaleAnimation() { 14971675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch return page_scale_animation_.Pass(); 14981675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch} 14991675a649fd7a8b3cb80ffddae2dc181f122353c5Ben Murdoch 1500c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} // namespace cc 1501