Index: components/viz/hittest/display_hittest_data.cc |
diff --git a/components/viz/hittest/display_hittest_data.cc b/components/viz/hittest/display_hittest_data.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8020fce8876765654a54bff2f1def4002e43b3d7 |
--- /dev/null |
+++ b/components/viz/hittest/display_hittest_data.cc |
@@ -0,0 +1,83 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "display_hittest_data.h" |
rjkroege
2017/06/07 17:16:45
wrong order
gklassen
2017/06/07 20:04:43
Done.
|
+#include "base/logging.h" |
+#include "components/viz/hittest/hittest_aggregator.h" |
+ |
+namespace viz { |
+ |
+namespace { |
+constexpr int kInitialSize = 1024; |
+constexpr int kEndOfList = -1; |
+} |
+ |
+DisplayHittestData::DisplayHittestData() {} |
+DisplayHittestData::~DisplayHittestData() {} |
+ |
+DisplayHittestData* DisplayHittestData::Create() { |
+ return Create(kInitialSize); |
+} |
+DisplayHittestData* DisplayHittestData::Create(int size) { |
rjkroege
2017/06/07 17:16:45
I think that you need to organize this a bit diffe
gklassen
2017/06/07 20:04:43
Acknowledged.
|
+ int cb = sizeof(DisplayHittestData) + size * sizeof(Element); |
+ DisplayHittestData* instance = (DisplayHittestData*)::operator new(cb); |
+ instance->size_ = size; |
+ return instance; |
+} |
+ |
+void DisplayHittestData::Build(const HittestDataMap& map, |
rjkroege
2017/06/07 17:16:45
this looks like it's missing some functionality?
gklassen
2017/06/07 20:04:43
Done.
|
+ cc::SurfaceId root_surface_id) { |
+ Append(map, root_surface_id); |
+ regions_[count_].child_count_ = kEndOfList; |
+} |
+ |
+void DisplayHittestData::Append(const HittestDataMap& map, |
+ cc::SurfaceId surface_id) { |
+ auto search = map.find(surface_id); |
+ if (search == map.end()) { |
+ // referenced surface not found! |
+ return; |
+ } |
+ hittest::mojom::HittestData* hittest_data = search->second.get(); |
+ |
+ int index = count_++; |
+ |
+ regions_[index].surface_id_ = hittest_data->surface_id_; |
+ regions_[index].flags_ = hittest_data->flags_; |
+ regions_[index].rect_ = hittest_data->rect_; |
+ regions_[index].transform_ = hittest_data->transform_; |
+ |
+ for (auto& region : hittest_data->regions_) { |
+ Append(map, region); |
+ if (region->flags_ == hittest::mojom::HittestRegionFlags::HITTEST_SURFACE) { |
+ Append(map, region->surface_id_); |
+ } |
+ } |
+ |
+ regions_[index].child_count_ = count_ - index; |
+} |
+ |
+void DisplayHittestData::Append( |
+ const HittestDataMap& map, |
+ const hittest::mojom::HittestRegionPtr& region) { |
+ int index = count_++; |
+ |
+ regions_[index].surface_id_ = region->surface_id_; |
+ regions_[index].flags_ = region->flags_; |
+ regions_[index].rect_ = region->rect_; |
+ regions_[index].transform_ = region->transform_; |
+ |
+ if (region->flags_ == hittest::mojom::HittestRegionFlags::HITTEST_SURFACE) { |
+ Append(map, region->surface_id_); |
+ } |
+ |
+ regions_[index].child_count_ = count_ - index; |
+} |
+ |
+void DisplayHittestData::Swap() { |
+ front_offset_ = front_offset_ == 0 ? size_ << 2 : 0; |
rjkroege
2017/06/07 17:16:45
you could probably use division. compiler should b
gklassen
2017/06/07 20:04:43
Done.
|
+ count_ = 0; |
+} |
+ |
+} // namespace viz |