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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/surfaces/framesink_manager.h" | 5 #include "cc/surfaces/framesink_manager.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "cc/surfaces/framesink_manager_client.h" | 11 #include "cc/surfaces/framesink_manager_client.h" |
12 #include "cc/surfaces/surface_factory_client.h" | |
13 | 12 |
14 #if DCHECK_IS_ON() | 13 #if DCHECK_IS_ON() |
15 #include <sstream> | 14 #include <sstream> |
16 #endif | 15 #endif |
17 | 16 |
18 namespace cc { | 17 namespace cc { |
19 | 18 |
20 FrameSinkManager::FrameSinkSourceMapping::FrameSinkSourceMapping() | 19 FrameSinkManager::FrameSinkSourceMapping::FrameSinkSourceMapping() |
21 : source(nullptr) {} | 20 : source(nullptr) {} |
22 | 21 |
23 FrameSinkManager::FrameSinkSourceMapping::FrameSinkSourceMapping( | 22 FrameSinkManager::FrameSinkSourceMapping::FrameSinkSourceMapping( |
24 const FrameSinkSourceMapping& other) = default; | 23 const FrameSinkSourceMapping& other) = default; |
25 | 24 |
26 FrameSinkManager::FrameSinkSourceMapping::~FrameSinkSourceMapping() { | 25 FrameSinkManager::FrameSinkSourceMapping::~FrameSinkSourceMapping() { |
27 } | 26 } |
28 | 27 |
29 FrameSinkManager::FrameSinkManager() {} | 28 FrameSinkManager::FrameSinkManager() {} |
30 | 29 |
31 FrameSinkManager::~FrameSinkManager() { | 30 FrameSinkManager::~FrameSinkManager() { |
32 // All surface factory clients should be unregistered prior to SurfaceManager | 31 // All CompositorFrameSinks should be unregistered prior to |
33 // destruction. | 32 // SurfaceManager destruction. |
34 DCHECK_EQ(clients_.size(), 0u); | 33 DCHECK_EQ(clients_.size(), 0u); |
35 DCHECK_EQ(registered_sources_.size(), 0u); | 34 DCHECK_EQ(registered_sources_.size(), 0u); |
36 } | 35 } |
37 | 36 |
38 void FrameSinkManager::RegisterFrameSinkId(const FrameSinkId& frame_sink_id) { | 37 void FrameSinkManager::RegisterFrameSinkId(const FrameSinkId& frame_sink_id) { |
39 bool inserted = valid_frame_sink_ids_.insert(frame_sink_id).second; | 38 bool inserted = valid_frame_sink_ids_.insert(frame_sink_id).second; |
40 DCHECK(inserted); | 39 DCHECK(inserted); |
41 } | 40 } |
42 | 41 |
43 void FrameSinkManager::InvalidateFrameSinkId(const FrameSinkId& frame_sink_id) { | 42 void FrameSinkManager::InvalidateFrameSinkId(const FrameSinkId& frame_sink_id) { |
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121 | 120 |
122 void FrameSinkManager::RecursivelyDetachBeginFrameSource( | 121 void FrameSinkManager::RecursivelyDetachBeginFrameSource( |
123 const FrameSinkId& frame_sink_id, | 122 const FrameSinkId& frame_sink_id, |
124 BeginFrameSource* source) { | 123 BeginFrameSource* source) { |
125 auto iter = frame_sink_source_map_.find(frame_sink_id); | 124 auto iter = frame_sink_source_map_.find(frame_sink_id); |
126 if (iter == frame_sink_source_map_.end()) | 125 if (iter == frame_sink_source_map_.end()) |
127 return; | 126 return; |
128 if (iter->second.source == source) { | 127 if (iter->second.source == source) { |
129 iter->second.source = nullptr; | 128 iter->second.source = nullptr; |
130 auto client_iter = clients_.find(frame_sink_id); | 129 auto client_iter = clients_.find(frame_sink_id); |
131 if (client_iter != clients_.end()) | 130 if (client_iter != clients_.end()) { |
132 client_iter->second->SetBeginFrameSource(nullptr); | 131 client_iter->second->SetBeginFrameSource(nullptr); |
| 132 } |
133 } | 133 } |
134 | 134 |
135 if (!iter->second.has_children() && !clients_.count(frame_sink_id)) { | 135 if (!iter->second.has_children() && !clients_.count(frame_sink_id)) { |
136 frame_sink_source_map_.erase(iter); | 136 frame_sink_source_map_.erase(iter); |
137 return; | 137 return; |
138 } | 138 } |
139 | 139 |
140 std::vector<FrameSinkId>& children = iter->second.children; | 140 std::vector<FrameSinkId>& children = iter->second.children; |
141 for (size_t i = 0; i < children.size(); ++i) { | 141 for (size_t i = 0; i < children.size(); ++i) { |
142 RecursivelyDetachBeginFrameSource(children[i], source); | 142 RecursivelyDetachBeginFrameSource(children[i], source); |
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201 for (size_t i = 0; i < children.size(); ++i) { | 201 for (size_t i = 0; i < children.size(); ++i) { |
202 if (children[i] == child_frame_sink_id) { | 202 if (children[i] == child_frame_sink_id) { |
203 found_child = true; | 203 found_child = true; |
204 children[i] = children.back(); | 204 children[i] = children.back(); |
205 children.resize(children.size() - 1); | 205 children.resize(children.size() - 1); |
206 break; | 206 break; |
207 } | 207 } |
208 } | 208 } |
209 DCHECK(found_child); | 209 DCHECK(found_child); |
210 | 210 |
211 // The SurfaceFactoryClient and hierarchy can be registered/unregistered | 211 // The CompositorFrameSinkSupport and hierarchy can be registered/unregistered |
212 // in either order, so empty frame_sink_source_map entries need to be | 212 // in either order, so empty frame_sink_source_map entries need to be |
213 // checked when removing either clients or relationships. | 213 // checked when removing either clients or relationships. |
214 if (!iter->second.has_children() && !clients_.count(parent_frame_sink_id) && | 214 if (!iter->second.has_children() && !clients_.count(parent_frame_sink_id) && |
215 !iter->second.source) { | 215 !iter->second.source) { |
216 frame_sink_source_map_.erase(iter); | 216 frame_sink_source_map_.erase(iter); |
217 return; | 217 return; |
218 } | 218 } |
219 | 219 |
220 // If the parent does not have a begin frame source, then disconnecting it | 220 // If the parent does not have a begin frame source, then disconnecting it |
221 // will not change any of its children. | 221 // will not change any of its children. |
222 BeginFrameSource* parent_source = iter->second.source; | 222 BeginFrameSource* parent_source = iter->second.source; |
223 if (!parent_source) | 223 if (!parent_source) |
224 return; | 224 return; |
225 | 225 |
226 // TODO(enne): these walks could be done in one step. | 226 // TODO(enne): these walks could be done in one step. |
227 RecursivelyDetachBeginFrameSource(child_frame_sink_id, parent_source); | 227 RecursivelyDetachBeginFrameSource(child_frame_sink_id, parent_source); |
228 for (auto source_iter : registered_sources_) | 228 for (auto source_iter : registered_sources_) |
229 RecursivelyAttachBeginFrameSource(source_iter.second, source_iter.first); | 229 RecursivelyAttachBeginFrameSource(source_iter.second, source_iter.first); |
230 } | 230 } |
231 | 231 |
232 } // namespace cc | 232 } // namespace cc |
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