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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/trees/layer_tree_host_impl.h" | 5 #include "cc/trees/layer_tree_host_impl.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <algorithm> | 10 #include <algorithm> |
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2076 pending_tree()->property_trees()->effect_tree.set_needs_update(true); | 2076 pending_tree()->property_trees()->effect_tree.set_needs_update(true); |
2077 } | 2077 } |
2078 } | 2078 } |
2079 } | 2079 } |
2080 } | 2080 } |
2081 } | 2081 } |
2082 | 2082 |
2083 void LayerTreeHostImpl::ActivateSyncTree() { | 2083 void LayerTreeHostImpl::ActivateSyncTree() { |
2084 if (pending_tree_) { | 2084 if (pending_tree_) { |
2085 TRACE_EVENT_ASYNC_END0("cc", "PendingTree:waiting", pending_tree_.get()); | 2085 TRACE_EVENT_ASYNC_END0("cc", "PendingTree:waiting", pending_tree_.get()); |
| 2086 active_tree_->lifecycle().AdvanceTo(LayerTreeLifecycle::kBeginningSync); |
2086 | 2087 |
2087 DCHECK(pending_tree_duration_timer_); | 2088 DCHECK(pending_tree_duration_timer_); |
2088 // Reset will call the destructor and log the timer histogram. | 2089 // Reset will call the destructor and log the timer histogram. |
2089 pending_tree_duration_timer_.reset(); | 2090 pending_tree_duration_timer_.reset(); |
2090 | 2091 |
2091 // Process any requests in the UI resource queue. The request queue is | 2092 // Process any requests in the UI resource queue. The request queue is |
2092 // given in LayerTreeHost::FinishCommitOnImplThread. This must take place | 2093 // given in LayerTreeHost::FinishCommitOnImplThread. This must take place |
2093 // before the swap. | 2094 // before the swap. |
2094 pending_tree_->ProcessUIResourceRequestQueue(); | 2095 pending_tree_->ProcessUIResourceRequestQueue(); |
2095 | 2096 |
2096 if (pending_tree_->needs_full_tree_sync()) { | 2097 if (pending_tree_->needs_full_tree_sync()) { |
2097 TreeSynchronizer::SynchronizeTrees(pending_tree_.get(), | 2098 TreeSynchronizer::SynchronizeTrees(pending_tree_.get(), |
2098 active_tree_.get()); | 2099 active_tree_.get()); |
2099 } | 2100 } |
2100 | 2101 |
2101 // Property trees may store damage status. We preserve the active tree | 2102 PushScrollbarOpacitiesFromActiveToPending(); |
2102 // damage status by pushing the damage status from active tree property | 2103 pending_tree_->PushPropertyTreesTo(active_tree_.get()); |
2103 // trees to pending tree property trees or by moving it onto the layers. | 2104 active_tree_->lifecycle().AdvanceTo( |
2104 if (active_tree_->property_trees()->changed) { | 2105 LayerTreeLifecycle::kSyncedPropertyTrees); |
2105 if (pending_tree_->property_trees()->sequence_number == | 2106 |
2106 active_tree_->property_trees()->sequence_number) | |
2107 active_tree_->property_trees()->PushChangeTrackingTo( | |
2108 pending_tree_->property_trees()); | |
2109 else | |
2110 active_tree_->MoveChangeTrackingToLayers(); | |
2111 } | |
2112 TreeSynchronizer::PushLayerProperties(pending_tree(), active_tree()); | 2107 TreeSynchronizer::PushLayerProperties(pending_tree(), active_tree()); |
2113 | 2108 active_tree_->lifecycle().AdvanceTo( |
2114 PushScrollbarOpacitiesFromActiveToPending(); | 2109 LayerTreeLifecycle::kSyncedLayerProperties); |
2115 | 2110 |
2116 pending_tree_->PushPropertiesTo(active_tree_.get()); | 2111 pending_tree_->PushPropertiesTo(active_tree_.get()); |
2117 if (!pending_tree_->LayerListIsEmpty()) | 2112 if (!pending_tree_->LayerListIsEmpty()) |
2118 pending_tree_->property_trees()->ResetAllChangeTracking(); | 2113 pending_tree_->property_trees()->ResetAllChangeTracking(); |
2119 | 2114 |
| 2115 active_tree_->lifecycle().AdvanceTo(LayerTreeLifecycle::kNotSyncing); |
| 2116 |
2120 // Now that we've synced everything from the pending tree to the active | 2117 // Now that we've synced everything from the pending tree to the active |
2121 // tree, rename the pending tree the recycle tree so we can reuse it on the | 2118 // tree, rename the pending tree the recycle tree so we can reuse it on the |
2122 // next sync. | 2119 // next sync. |
2123 DCHECK(!recycle_tree_); | 2120 DCHECK(!recycle_tree_); |
2124 pending_tree_.swap(recycle_tree_); | 2121 pending_tree_.swap(recycle_tree_); |
2125 | 2122 |
2126 // If we commit to the active tree directly, this is already done during | 2123 // If we commit to the active tree directly, this is already done during |
2127 // commit. | 2124 // commit. |
2128 ActivateAnimations(); | 2125 ActivateAnimations(); |
2129 | 2126 |
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4345 | 4342 |
4346 void LayerTreeHostImpl::ShowScrollbarsForImplScroll(ElementId element_id) { | 4343 void LayerTreeHostImpl::ShowScrollbarsForImplScroll(ElementId element_id) { |
4347 if (!element_id) | 4344 if (!element_id) |
4348 return; | 4345 return; |
4349 if (ScrollbarAnimationController* animation_controller = | 4346 if (ScrollbarAnimationController* animation_controller = |
4350 ScrollbarAnimationControllerForElementId(element_id)) | 4347 ScrollbarAnimationControllerForElementId(element_id)) |
4351 animation_controller->DidScrollUpdate(); | 4348 animation_controller->DidScrollUpdate(); |
4352 } | 4349 } |
4353 | 4350 |
4354 } // namespace cc | 4351 } // namespace cc |
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